From 2fab94534063daf8fe7f8166908b2dadc517413c Mon Sep 17 00:00:00 2001 From: Calen Pennington Date: Thu, 13 Jun 2013 10:20:43 -0400 Subject: [PATCH 01/51] Cherry pick change to url matching regular expression. Fixes LMS-37 --- requirements/edx/github.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/requirements/edx/github.txt b/requirements/edx/github.txt index 8f3d4594ac..641258329d 100644 --- a/requirements/edx/github.txt +++ b/requirements/edx/github.txt @@ -3,7 +3,7 @@ # Third-party: -e git://github.com/edx/django-staticfiles.git@6d2504e5c8#egg=django-staticfiles -e git://github.com/edx/django-pipeline.git#egg=django-pipeline --e git://github.com/edx/django-wiki.git@e2e84558#egg=django-wiki +-e git://github.com/edx/django-wiki.git@ac906abe#egg=django-wiki -e git://github.com/dementrock/pystache_custom.git@776973740bdaad83a3b029f96e415a7d1e8bec2f#egg=pystache_custom-dev -e git://github.com/eventbrite/zendesk.git@d53fe0e81b623f084e91776bcf6369f8b7b63879#egg=zendesk From 7518f32f5e47e2479df97cb79e4c659fd874a4f5 Mon Sep 17 00:00:00 2001 From: Renzo Lucioni Date: Mon, 17 Jun 2013 10:30:17 -0400 Subject: [PATCH 02/51] Instrument sequentials with segment-io so we know when people switch tabs manually or using the arrows to navigate --- .../xmodule/js/src/sequence/display.coffee | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/common/lib/xmodule/xmodule/js/src/sequence/display.coffee b/common/lib/xmodule/xmodule/js/src/sequence/display.coffee index 0e4c9788ba..3e371de439 100644 --- a/common/lib/xmodule/xmodule/js/src/sequence/display.coffee +++ b/common/lib/xmodule/xmodule/js/src/sequence/display.coffee @@ -111,6 +111,11 @@ class @Sequence if (1 <= new_position) and (new_position <= @num_contents) Logger.log "seq_goto", old: @position, new: new_position, id: @id + analytics.track "Sequential Goto", + old: @position + new: new_position + id: @id + # On Sequence chage, destroy any existing polling thread # for queued submissions, see ../capa/display.coffee if window.queuePollerID @@ -127,12 +132,22 @@ class @Sequence Logger.log "seq_next", old: @position, new: new_position, id: @id @render new_position + analytics.track "Sequential Next", + old: @position + new: new_position + id: @id + previous: (event) => event.preventDefault() new_position = @position - 1 Logger.log "seq_prev", old: @position, new: new_position, id: @id @render new_position + analytics.track "Sequential Previous", + old: @position + new: new_position + id: @id + link_for: (position) -> @$("#sequence-list a[data-element=#{position}]") From b2bc39fa09e6f3ce48864f8b3d997675523c7aa8 Mon Sep 17 00:00:00 2001 From: Will Daly Date: Mon, 17 Jun 2013 11:17:58 -0400 Subject: [PATCH 03/51] Updated `diff-cover` to version 0.1.2, which fixes a bug in which missing lines were over-reported --- requirements/edx/github.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/requirements/edx/github.txt b/requirements/edx/github.txt index dc39bd5fa4..692705c11a 100644 --- a/requirements/edx/github.txt +++ b/requirements/edx/github.txt @@ -10,4 +10,4 @@ # Our libraries: -e git+https://github.com/edx/XBlock.git@4d8735e883#egg=XBlock -e git+https://github.com/edx/codejail.git@0a1b468#egg=codejail --e git+https://github.com/edx/diff-cover.git@v0.1.1#egg=diff_cover +-e git+https://github.com/edx/diff-cover.git@v0.1.2#egg=diff_cover From c30d2d2f529656c2ace96e9c30e44577269fb23d Mon Sep 17 00:00:00 2001 From: Renzo Lucioni Date: Mon, 17 Jun 2013 13:48:50 -0400 Subject: [PATCH 04/51] Incorporate Segment.io into Logger.log with whitelist --- .../xmodule/js/src/sequence/display.coffee | 15 --------------- common/static/coffee/src/logger.coffee | 7 +++++++ lms/envs/common.py | 2 +- 3 files changed, 8 insertions(+), 16 deletions(-) diff --git a/common/lib/xmodule/xmodule/js/src/sequence/display.coffee b/common/lib/xmodule/xmodule/js/src/sequence/display.coffee index 3e371de439..0e4c9788ba 100644 --- a/common/lib/xmodule/xmodule/js/src/sequence/display.coffee +++ b/common/lib/xmodule/xmodule/js/src/sequence/display.coffee @@ -111,11 +111,6 @@ class @Sequence if (1 <= new_position) and (new_position <= @num_contents) Logger.log "seq_goto", old: @position, new: new_position, id: @id - analytics.track "Sequential Goto", - old: @position - new: new_position - id: @id - # On Sequence chage, destroy any existing polling thread # for queued submissions, see ../capa/display.coffee if window.queuePollerID @@ -132,22 +127,12 @@ class @Sequence Logger.log "seq_next", old: @position, new: new_position, id: @id @render new_position - analytics.track "Sequential Next", - old: @position - new: new_position - id: @id - previous: (event) => event.preventDefault() new_position = @position - 1 Logger.log "seq_prev", old: @position, new: new_position, id: @id @render new_position - analytics.track "Sequential Previous", - old: @position - new: new_position - id: @id - link_for: (position) -> @$("#sequence-list a[data-element=#{position}]") diff --git a/common/static/coffee/src/logger.coffee b/common/static/coffee/src/logger.coffee index 58395ba831..6da4929fb0 100644 --- a/common/static/coffee/src/logger.coffee +++ b/common/static/coffee/src/logger.coffee @@ -1,5 +1,12 @@ class @Logger + # events we want sent to Segment.io for tracking + SEGMENT_IO_WHITELIST = ["seq_goto", "seq_next", "seq_prev"] + @log: (event_type, data) -> + if event_type in SEGMENT_IO_WHITELIST + # Segment.io event tracking + analytics.track event_type, data + $.getWithPrefix '/event', event_type: event_type event: JSON.stringify(data) diff --git a/lms/envs/common.py b/lms/envs/common.py index ef590a5149..2c36c7e0c3 100644 --- a/lms/envs/common.py +++ b/lms/envs/common.py @@ -102,7 +102,7 @@ MITX_FEATURES = { # Staff Debug tool. 'ENABLE_STUDENT_HISTORY_VIEW': True, - # segment.io for LMS--need to explicitly turn it on on production. + # segment.io for LMS--need to explicitly turn it on for production. 'SEGMENT_IO_LMS': False, # Enables the student notes API and UI. From f528f61ec11c7a51eef157c21f42d1c494ad5b2b Mon Sep 17 00:00:00 2001 From: Renzo Lucioni Date: Mon, 17 Jun 2013 16:18:07 -0400 Subject: [PATCH 05/51] Add new Jasmine test to ensure Segment.io is called when appropriate --- common/static/coffee/spec/logger_spec.coffee | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/common/static/coffee/spec/logger_spec.coffee b/common/static/coffee/spec/logger_spec.coffee index 8fdfb99251..3a274f101e 100644 --- a/common/static/coffee/spec/logger_spec.coffee +++ b/common/static/coffee/spec/logger_spec.coffee @@ -3,6 +3,11 @@ describe 'Logger', -> expect(window.log_event).toBe Logger.log describe 'log', -> + it 'send event to Segment.io if event is whitelisted', -> + spyOn 'analytics.track' + Logger.log 'seq_goto', 'data' + expect(analytics.track).toHaveBeenCalledWith 'seq_goto', 'data' + it 'send a request to log event', -> spyOn $, 'getWithPrefix' Logger.log 'example', 'data' From b6e3b0ee0351fa9ca529b0efdfe660de022463e2 Mon Sep 17 00:00:00 2001 From: David Baumgold Date: Tue, 18 Jun 2013 09:55:41 -0400 Subject: [PATCH 06/51] Refactor Backbone Notifications Models are extraneous for something as temporary as a notifaction -- this change moves all the configuration into the views, and removes the models entirely. --- cms/envs/common.py | 3 +- .../coffee/spec/models/feedback_spec.coffee | 34 ----- .../coffee/spec/views/feedback_spec.coffee | 122 ++++++++++------- cms/static/coffee/src/main.coffee | 4 +- cms/static/js/models/feedback.js | 55 -------- cms/static/js/models/section.js | 16 +-- cms/static/js/views/feedback.js | 127 ++++++++++++++---- cms/static/js/views/section.js | 4 +- cms/templates/base.html | 1 - 9 files changed, 182 insertions(+), 184 deletions(-) delete mode 100644 cms/static/coffee/spec/models/feedback_spec.coffee delete mode 100644 cms/static/js/models/feedback.js diff --git a/cms/envs/common.py b/cms/envs/common.py index 8551a56c41..d7c9e6bb90 100644 --- a/cms/envs/common.py +++ b/cms/envs/common.py @@ -235,8 +235,7 @@ PIPELINE_JS = { 'source_filenames': sorted( rooted_glob(COMMON_ROOT / 'static/', 'coffee/src/**/*.js') + rooted_glob(PROJECT_ROOT / 'static/', 'coffee/src/**/*.js') - ) + ['js/hesitate.js', 'js/base.js', - 'js/models/feedback.js', 'js/views/feedback.js', + ) + ['js/hesitate.js', 'js/base.js', 'js/views/feedback.js', 'js/models/section.js', 'js/views/section.js', 'js/models/metadata_model.js', 'js/views/metadata_editor_view.js', 'js/views/assets.js'], diff --git a/cms/static/coffee/spec/models/feedback_spec.coffee b/cms/static/coffee/spec/models/feedback_spec.coffee deleted file mode 100644 index 6ddac41ebf..0000000000 --- a/cms/static/coffee/spec/models/feedback_spec.coffee +++ /dev/null @@ -1,34 +0,0 @@ -describe "CMS.Models.SystemFeedback", -> - beforeEach -> - @model = new CMS.Models.SystemFeedback() - - it "should have an empty message by default", -> - expect(@model.get("message")).toEqual("") - - it "should have an empty title by default", -> - expect(@model.get("title")).toEqual("") - - it "should not have an intent set by default", -> - expect(@model.get("intent")).toBeNull() - - -describe "CMS.Models.WarningMessage", -> - beforeEach -> - @model = new CMS.Models.WarningMessage() - - it "should have the correct intent", -> - expect(@model.get("intent")).toEqual("warning") - -describe "CMS.Models.ErrorMessage", -> - beforeEach -> - @model = new CMS.Models.ErrorMessage() - - it "should have the correct intent", -> - expect(@model.get("intent")).toEqual("error") - -describe "CMS.Models.ConfirmationMessage", -> - beforeEach -> - @model = new CMS.Models.ConfirmationMessage() - - it "should have the correct intent", -> - expect(@model.get("intent")).toEqual("confirmation") diff --git a/cms/static/coffee/spec/views/feedback_spec.coffee b/cms/static/coffee/spec/views/feedback_spec.coffee index 3e7d080a7c..61c5652ff3 100644 --- a/cms/static/coffee/spec/views/feedback_spec.coffee +++ b/cms/static/coffee/spec/views/feedback_spec.coffee @@ -18,79 +18,105 @@ beforeEach -> else return trimmedText.indexOf(text) != -1; -describe "CMS.Views.Alert as base class", -> +describe "CMS.Views.SystemFeedback", -> beforeEach -> - @model = new CMS.Models.ConfirmationMessage({ + @options = title: "Portal" message: "Welcome to the Aperture Science Computer-Aided Enrichment Center" - }) # it will be interesting to see when this.render is called, so lets spy on it - spyOn(CMS.Views.Alert.prototype, 'render').andCallThrough() + @renderSpy = spyOn(CMS.Views.Alert.Confirmation.prototype, 'render').andCallThrough() + @showSpy = spyOn(CMS.Views.Alert.Confirmation.prototype, 'show').andCallThrough() + @hideSpy = spyOn(CMS.Views.Alert.Confirmation.prototype, 'hide').andCallThrough() - it "renders on initalize", -> - view = new CMS.Views.Alert({model: @model}) - expect(view.render).toHaveBeenCalled() + it "requires a type and an intent", -> + neither = => + new CMS.Views.SystemFeedback(@options) + noType = => + options = $.extend({}, @options) + options.intent = "confirmation" + new CMS.Views.SystemFeedback(options) + noIntent = => + options = $.extend({}, @options) + options.type = "alert" + new CMS.Views.SystemFeedback(options) + both = => + options = $.extend({}, @options) + options.type = "alert" + options.intent = "confirmation" + new CMS.Views.SystemFeedback(options) + + expect(neither).toThrow() + expect(noType).toThrow() + expect(noIntent).toThrow() + expect(both).not.toThrow() + + # for simplicity, we'll use CMS.Views.Alert.Confirmation from here on, + # which extends and proxies to CMS.Views.SystemFeedback + + it "does not show on initalize", -> + view = new CMS.Views.Alert.Confirmation(@options) + expect(@renderSpy).not.toHaveBeenCalled() + expect(@showSpy).not.toHaveBeenCalled() it "renders the template", -> - view = new CMS.Views.Alert({model: @model}) + view = new CMS.Views.Alert.Confirmation(@options) + view.show() + expect(view.$(".action-close")).toBeDefined() expect(view.$('.wrapper')).toBeShown() - expect(view.$el).toContainText(@model.get("title")) - expect(view.$el).toContainText(@model.get("message")) + expect(view.$el).toContainText(@options.title) + expect(view.$el).toContainText(@options.message) it "close button sends a .hide() message", -> - spyOn(CMS.Views.Alert.prototype, 'hide').andCallThrough() - - view = new CMS.Views.Alert({model: @model}) + view = new CMS.Views.Alert.Confirmation(@options).show() view.$(".action-close").click() - expect(CMS.Views.Alert.prototype.hide).toHaveBeenCalled() + expect(@hideSpy).toHaveBeenCalled() expect(view.$('.wrapper')).toBeHiding() describe "CMS.Views.Prompt", -> - beforeEach -> - @model = new CMS.Models.ConfirmationMessage({ - title: "Portal" - message: "Welcome to the Aperture Science Computer-Aided Enrichment Center" - }) - # for some reason, expect($("body")) blows up the test runner, so this test # just exercises the Prompt rather than asserting on anything. Best I can # do for now. :( it "changes class on body", -> # expect($("body")).not.toHaveClass("prompt-is-shown") - view = new CMS.Views.Prompt({model: @model}) + view = new CMS.Views.Prompt.Confirmation({ + title: "Portal" + message: "Welcome to the Aperture Science Computer-Aided Enrichment Center" + }) # expect($("body")).toHaveClass("prompt-is-shown") view.hide() # expect($("body")).not.toHaveClass("prompt-is-shown") -describe "CMS.Views.Alert click events", -> +describe "CMS.Views.SystemFeedback click events", -> beforeEach -> - @model = new CMS.Models.WarningMessage( + @primaryClickSpy = jasmine.createSpy('primaryClick') + @secondaryClickSpy = jasmine.createSpy('secondaryClick') + @view = new CMS.Views.Notification.Warning( title: "Unsaved", message: "Your content is currently Unsaved.", actions: primary: text: "Save", class: "save-button", - click: jasmine.createSpy('primaryClick') + click: @primaryClickSpy secondary: [{ text: "Revert", class: "cancel-button", - click: jasmine.createSpy('secondaryClick') + click: @secondaryClickSpy }] - ) - - @view = new CMS.Views.Alert({model: @model}) + @view.show() it "should trigger the primary event on a primary click", -> - @view.primaryClick() - expect(@model.get('actions').primary.click).toHaveBeenCalled() + @view.$(".action-primary").click() + expect(@primaryClickSpy).toHaveBeenCalled() + expect(@secondaryClickSpy).not.toHaveBeenCalled() it "should trigger the secondary event on a secondary click", -> - @view.secondaryClick() - expect(@model.get('actions').secondary[0].click).toHaveBeenCalled() + @view.$(".action-secondary").click() + expect(@secondaryClickSpy).toHaveBeenCalled() + expect(@primaryClickSpy).not.toHaveBeenCalled() it "should apply class to primary action", -> expect(@view.$(".action-primary")).toHaveClass("save-button") @@ -100,20 +126,19 @@ describe "CMS.Views.Alert click events", -> describe "CMS.Views.Notification minShown and maxShown", -> beforeEach -> - @model = new CMS.Models.SystemFeedback( - intent: "saving" - title: "Saving" - ) - spyOn(CMS.Views.Notification.prototype, 'show').andCallThrough() - spyOn(CMS.Views.Notification.prototype, 'hide').andCallThrough() + @showSpy = spyOn(CMS.Views.Notification.Saving.prototype, 'show') + @showSpy.andCallThrough() + @hideSpy = spyOn(CMS.Views.Notification.Saving.prototype, 'hide') + @hideSpy.andCallThrough() @clock = sinon.useFakeTimers() afterEach -> + delete CMS.Views.Notification.active; @clock.restore() it "a minShown view should not hide too quickly", -> - view = new CMS.Views.Notification({model: @model, minShown: 1000}) - expect(CMS.Views.Notification.prototype.show).toHaveBeenCalled() + view = new CMS.Views.Notification.Saving({minShown: 1000}) + view.show() expect(view.$('.wrapper')).toBeShown() # call hide() on it, but the minShown should prevent it from hiding right away @@ -125,8 +150,8 @@ describe "CMS.Views.Notification minShown and maxShown", -> expect(view.$('.wrapper')).toBeHiding() it "a maxShown view should hide by itself", -> - view = new CMS.Views.Notification({model: @model, maxShown: 1000}) - expect(CMS.Views.Notification.prototype.show).toHaveBeenCalled() + view = new CMS.Views.Notification.Saving({maxShown: 1000}) + view.show() expect(view.$('.wrapper')).toBeShown() # wait for the maxShown timeout to expire, and check again @@ -134,13 +159,13 @@ describe "CMS.Views.Notification minShown and maxShown", -> expect(view.$('.wrapper')).toBeHiding() it "a minShown view can stay visible longer", -> - view = new CMS.Views.Notification({model: @model, minShown: 1000}) - expect(CMS.Views.Notification.prototype.show).toHaveBeenCalled() + view = new CMS.Views.Notification.Saving({minShown: 1000}) + view.show() expect(view.$('.wrapper')).toBeShown() # wait for the minShown timeout to expire, and check again @clock.tick(1001) - expect(CMS.Views.Notification.prototype.hide).not.toHaveBeenCalled() + expect(@hideSpy).not.toHaveBeenCalled() expect(view.$('.wrapper')).toBeShown() # can now hide immediately @@ -148,8 +173,8 @@ describe "CMS.Views.Notification minShown and maxShown", -> expect(view.$('.wrapper')).toBeHiding() it "a maxShown view can hide early", -> - view = new CMS.Views.Notification({model: @model, maxShown: 1000}) - expect(CMS.Views.Notification.prototype.show).toHaveBeenCalled() + view = new CMS.Views.Notification.Saving({maxShown: 1000}) + view.show() expect(view.$('.wrapper')).toBeShown() # wait 50 milliseconds, and hide it early @@ -162,7 +187,8 @@ describe "CMS.Views.Notification minShown and maxShown", -> expect(view.$('.wrapper')).toBeHiding() it "a view can have both maxShown and minShown", -> - view = new CMS.Views.Notification({model: @model, minShown: 1000, maxShown: 2000}) + view = new CMS.Views.Notification.Saving({minShown: 1000, maxShown: 2000}) + view.show() # can't hide early @clock.tick(50) diff --git a/cms/static/coffee/src/main.coffee b/cms/static/coffee/src/main.coffee index efcd869113..5ac104d162 100644 --- a/cms/static/coffee/src/main.coffee +++ b/cms/static/coffee/src/main.coffee @@ -18,11 +18,11 @@ $ -> $(document).ajaxError (event, jqXHR, ajaxSettings, thrownError) -> if ajaxSettings.notifyOnError is false return - msg = new CMS.Models.ErrorMessage( + msg = new CMS.Views.Notification.Error( "title": gettext("Studio's having trouble saving your work") "message": jqXHR.responseText || gettext("This may be happening because of an error with our server or your internet connection. Try refreshing the page or making sure you are online.") ) - new CMS.Views.Notification({model: msg}) + msg.show() window.onTouchBasedDevice = -> navigator.userAgent.match /iPhone|iPod|iPad/i diff --git a/cms/static/js/models/feedback.js b/cms/static/js/models/feedback.js deleted file mode 100644 index d57cffa779..0000000000 --- a/cms/static/js/models/feedback.js +++ /dev/null @@ -1,55 +0,0 @@ -CMS.Models.SystemFeedback = Backbone.Model.extend({ - defaults: { - "intent": null, // "warning", "confirmation", "error", "announcement", "step-required", etc - "title": "", - "message": "" - /* could also have an "actions" hash: here is an example demonstrating - the expected structure - "actions": { - "primary": { - "text": "Save", - "class": "action-save", - "click": function() { - // do something when Save is clicked - // `this` refers to the model - } - }, - "secondary": [ - { - "text": "Cancel", - "class": "action-cancel", - "click": function() {} - }, { - "text": "Discard Changes", - "class": "action-discard", - "click": function() {} - } - ] - } - */ - } -}); - -CMS.Models.WarningMessage = CMS.Models.SystemFeedback.extend({ - defaults: $.extend({}, CMS.Models.SystemFeedback.prototype.defaults, { - "intent": "warning" - }) -}); - -CMS.Models.ErrorMessage = CMS.Models.SystemFeedback.extend({ - defaults: $.extend({}, CMS.Models.SystemFeedback.prototype.defaults, { - "intent": "error" - }) -}); - -CMS.Models.ConfirmAssetDeleteMessage = CMS.Models.SystemFeedback.extend({ - defaults: $.extend({}, CMS.Models.SystemFeedback.prototype.defaults, { - "intent": "warning" - }) -}); - -CMS.Models.ConfirmationMessage = CMS.Models.SystemFeedback.extend({ - defaults: $.extend({}, CMS.Models.SystemFeedback.prototype.defaults, { - "intent": "confirmation" - }) -}); diff --git a/cms/static/js/models/section.js b/cms/static/js/models/section.js index 467a2709a6..902585c58c 100644 --- a/cms/static/js/models/section.js +++ b/cms/static/js/models/section.js @@ -22,22 +22,16 @@ CMS.Models.Section = Backbone.Model.extend({ }, showNotification: function() { if(!this.msg) { - this.msg = new CMS.Models.SystemFeedback({ - intent: "saving", - title: gettext("Saving…") - }); - } - if(!this.msgView) { - this.msgView = new CMS.Views.Notification({ - model: this.msg, + this.msg = new CMS.Views.Notification.Saving({ + title: gettext("Saving…"), closeIcon: false, minShown: 1250 }); } - this.msgView.show(); + this.msg.show(); }, hideNotification: function() { - if(!this.msgView) { return; } - this.msgView.hide(); + if(!this.msg) { return; } + this.msg.hide(); } }); diff --git a/cms/static/js/views/feedback.js b/cms/static/js/views/feedback.js index 1a1a33ec1b..b04fb6e3d1 100644 --- a/cms/static/js/views/feedback.js +++ b/cms/static/js/views/feedback.js @@ -1,39 +1,64 @@ -CMS.Views.Alert = Backbone.View.extend({ +CMS.Views.SystemFeedback = Backbone.View.extend({ options: { - type: "alert", + title: "", + message: "", + intent: null, // "warning", "confirmation", "error", "announcement", "step-required", etc + type: null, // "alert", "notification", or "prompt": set by subclass shown: true, // is this view currently being shown? icon: true, // should we render an icon related to the message intent? closeIcon: true, // should we render a close button in the top right corner? minShown: 0, // length of time after this view has been shown before it can be hidden (milliseconds) maxShown: Infinity // length of time after this view has been shown before it will be automatically hidden (milliseconds) + + /* could also have an "actions" hash: here is an example demonstrating + the expected structure + actions: { + primary: { + "text": "Save", + "class": "action-save", + "click": function(view) { + // do something when Save is clicked + } + }, + secondary: [ + { + "text": "Cancel", + "class": "action-cancel", + "click": function(view) {} + }, { + "text": "Discard Changes", + "class": "action-discard", + "click": function(view) {} + } + ] + } + */ }, initialize: function() { + if(!this.options.type) { + throw "SystemFeedback: type required (given " + + JSON.stringify(this.options) + ")"; + } + if(!this.options.intent) { + throw "SystemFeedback: intent required (given " + + JSON.stringify(this.options) + ")"; + } var tpl = $("#system-feedback-tpl").text(); if(!tpl) { console.error("Couldn't load system-feedback template"); } this.template = _.template(tpl); this.setElement($("#page-"+this.options.type)); - this.listenTo(this.model, 'change', this.render); - return this.show(); - }, - render: function() { - var attrs = $.extend({}, this.options, this.model.attributes); - this.$el.html(this.template(attrs)); return this; }, - events: { - "click .action-close": "hide", - "click .action-primary": "primaryClick", - "click .action-secondary": "secondaryClick" - }, + // public API: show() and hide() show: function() { clearTimeout(this.hideTimeout); this.options.shown = true; this.shownAt = new Date(); this.render(); if($.isNumeric(this.options.maxShown)) { - this.hideTimeout = setTimeout($.proxy(this.hide, this), + this.hideTimeout = setTimeout(_.bind(this.hide, this), this.options.maxShown); } return this; @@ -43,7 +68,7 @@ CMS.Views.Alert = Backbone.View.extend({ this.options.minShown > new Date() - this.shownAt) { clearTimeout(this.hideTimeout); - this.hideTimeout = setTimeout($.proxy(this.hide, this), + this.hideTimeout = setTimeout(_.bind(this.hide, this), this.options.minShown - (new Date() - this.shownAt)); } else { this.options.shown = false; @@ -52,40 +77,63 @@ CMS.Views.Alert = Backbone.View.extend({ } return this; }, - primaryClick: function() { - var actions = this.model.get("actions"); + // the rest of the API should be considered semi-private + events: { + "click .action-close": "hide", + "click .action-primary": "primaryClick", + "click .action-secondary": "secondaryClick" + }, + render: function() { + // there can be only one active view of a given type at a time: only + // one alert, only one notification, only one prompt. Therefore, we'll + // use a singleton approach. + var parent = CMS.Views[_.str.capitalize(this.options.type)]; + if(parent && parent.active && parent.active !== this) { + parent.active.stopListening(); + } + this.$el.html(this.template(this.options)); + parent.active = this; + return this; + }, + primaryClick: function(event) { + var actions = this.options.actions; if(!actions) { return; } var primary = actions.primary; if(!primary) { return; } if(primary.click) { - primary.click.call(this.model, this); + primary.click.call(event.target, this, event); } }, - secondaryClick: function(e) { - var actions = this.model.get("actions"); + secondaryClick: function(event) { + var actions = this.options.actions; if(!actions) { return; } var secondaryList = actions.secondary; if(!secondaryList) { return; } // which secondary action was clicked? var i = 0; // default to the first secondary action (easier for testing) - if(e && e.target) { - i = _.indexOf(this.$(".action-secondary"), e.target); + if(event && event.target) { + i = _.indexOf(this.$(".action-secondary"), event.target); } - var secondary = this.model.get("actions").secondary[i]; + var secondary = secondaryList[i]; if(secondary.click) { - secondary.click.call(this.model, this); + secondary.click.call(event.target, this, event); } } }); -CMS.Views.Notification = CMS.Views.Alert.extend({ - options: $.extend({}, CMS.Views.Alert.prototype.options, { +CMS.Views.Alert = CMS.Views.SystemFeedback.extend({ + options: $.extend({}, CMS.Views.SystemFeedback.prototype.options, { + type: "alert" + }) +}); +CMS.Views.Notification = CMS.Views.SystemFeedback.extend({ + options: $.extend({}, CMS.Views.SystemFeedback.prototype.options, { type: "notification", closeIcon: false }) }); -CMS.Views.Prompt = CMS.Views.Alert.extend({ - options: $.extend({}, CMS.Views.Alert.prototype.options, { +CMS.Views.Prompt = CMS.Views.SystemFeedback.extend({ + options: $.extend({}, CMS.Views.SystemFeedback.prototype.options, { type: "prompt", closeIcon: false, icon: false @@ -98,6 +146,27 @@ CMS.Views.Prompt = CMS.Views.Alert.extend({ $body.removeClass('prompt-is-shown'); } // super() in Javascript has awkward syntax :( - return CMS.Views.Alert.prototype.render.apply(this, arguments); + return CMS.Views.SystemFeedback.prototype.render.apply(this, arguments); } }); + +// create CMS.Views.Alert.Warning, CMS.Views.Notification.Confirmation, +// CMS.Views.Prompt.StepRequired, etc +var capitalCamel, types, intents; +capitalCamel = _.compose(_.str.capitalize, _.str.camelize); +types = ["alert", "notification", "prompt"]; +intents = ["warning", "error", "confirmation", "announcement", "step-required", "help", "saving"]; +_.each(types, function(type) { + _.each(intents, function(intent) { + // "class" is a reserved word in Javascript, so use "klass" instead + var klass, subklass; + klass = CMS.Views[capitalCamel(type)]; + subklass = klass.extend({ + options: $.extend({}, klass.prototype.options, { + type: type, + intent: intent + }) + }); + klass[capitalCamel(intent)] = subklass; + }); +}); diff --git a/cms/static/js/views/section.js b/cms/static/js/views/section.js index 622249414d..eccc547a06 100644 --- a/cms/static/js/views/section.js +++ b/cms/static/js/views/section.js @@ -67,7 +67,7 @@ CMS.Views.SectionEdit = Backbone.View.extend({ showInvalidMessage: function(model, error, options) { model.set("name", model.previous("name")); var that = this; - var msg = new CMS.Models.ErrorMessage({ + var prompt = new CMS.Views.Prompt.Error({ title: gettext("Your change could not be saved"), message: error, actions: { @@ -80,6 +80,6 @@ CMS.Views.SectionEdit = Backbone.View.extend({ } } }); - new CMS.Views.Prompt({model: msg}); + prompt.show(); } }); diff --git a/cms/templates/base.html b/cms/templates/base.html index 07587860e5..cf6431f538 100644 --- a/cms/templates/base.html +++ b/cms/templates/base.html @@ -54,7 +54,6 @@ - From aa24508024c2342d5f51a8269041307ff5fe2877 Mon Sep 17 00:00:00 2001 From: David Baumgold Date: Tue, 18 Jun 2013 10:23:18 -0400 Subject: [PATCH 07/51] Add underscore.string library http://epeli.github.io/underscore.string/ --- cms/static/coffee/files.json | 1 + cms/templates/base.html | 1 + common/static/js/vendor/underscore.string.min.js | 1 + 3 files changed, 3 insertions(+) create mode 100644 common/static/js/vendor/underscore.string.min.js diff --git a/cms/static/coffee/files.json b/cms/static/coffee/files.json index 73dfc565a2..5b4d829b3a 100644 --- a/cms/static/coffee/files.json +++ b/cms/static/coffee/files.json @@ -7,6 +7,7 @@ "js/vendor/jquery.cookie.js", "js/vendor/json2.js", "js/vendor/underscore-min.js", + "js/vendor/underscore.string.min.js", "js/vendor/backbone-min.js", "js/vendor/jquery.leanModal.min.js", "js/vendor/sinon-1.7.1.js", diff --git a/cms/templates/base.html b/cms/templates/base.html index cf6431f538..11e8d41496 100644 --- a/cms/templates/base.html +++ b/cms/templates/base.html @@ -38,6 +38,7 @@ + diff --git a/common/static/js/vendor/underscore.string.min.js 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happening because of an error with our server or your internet connection. Try refreshing the page or making sure you are online.") msg = new CMS.Views.Notification.Error( "title": gettext("Studio's having trouble saving your work") - "message": jqXHR.responseText || gettext("This may be happening because of an error with our server or your internet connection. Try refreshing the page or making sure you are online.") + "message": message ) msg.show() From 91ac6e68e8dd1855da5aa25ea2fd900cac9b705f Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Thu, 25 Apr 2013 18:22:00 -0400 Subject: [PATCH 09/51] Define initial celery task on instructor dash. Add CourseTaskLog, and make calls to regrading. Add regrading implementation, and hack the marshalling of request. --- common/lib/capa/capa/capa_problem.py | 24 +- common/lib/xmodule/xmodule/capa_module.py | 63 +++- .../0010_add_courseware_coursetasklog.py | 162 ++++++++ lms/djangoapps/courseware/models.py | 18 + lms/djangoapps/courseware/tasks.py | 352 ++++++++++++++++++ lms/djangoapps/instructor/views.py | 114 ++++++ .../courseware/instructor_dashboard.html | 11 + 7 files changed, 738 insertions(+), 6 deletions(-) create mode 100644 lms/djangoapps/courseware/migrations/0010_add_courseware_coursetasklog.py create mode 100644 lms/djangoapps/courseware/tasks.py diff --git a/common/lib/capa/capa/capa_problem.py b/common/lib/capa/capa/capa_problem.py index 7dcd7b925e..1bb3e115b6 100644 --- a/common/lib/capa/capa/capa_problem.py +++ b/common/lib/capa/capa/capa_problem.py @@ -270,7 +270,26 @@ class LoncapaProblem(object): # if answers include File objects, convert them to filenames. self.student_answers = convert_files_to_filenames(answers) + return self._grade_answers(answers) + def regrade_existing_answers(self): + ''' + Regrade student responses. Called by capa_module.regrade_problem. + ''' + return self._grade_answers(None) + + def _grade_answers(self, answers): + ''' + Internal grading call used for checking new student answers and also + regrading existing student answers. + + answers is a dict of all the entries from request.POST, but with the first part + of each key removed (the string before the first "_"). + + Thus, for example, input_ID123 -> ID123, and input_fromjs_ID123 -> fromjs_ID123 + + Calls the Response for each question in this problem, to do the actual grading. + ''' # old CorrectMap oldcmap = self.correct_map @@ -281,10 +300,11 @@ class LoncapaProblem(object): for responder in self.responders.values(): # File objects are passed only if responsetype explicitly allows for file # submissions - if 'filesubmission' in responder.allowed_inputfields: + # TODO: figure out where to get file submissions when regrading. + if 'filesubmission' in responder.allowed_inputfields and answers is not None: results = responder.evaluate_answers(answers, oldcmap) else: - results = responder.evaluate_answers(convert_files_to_filenames(answers), oldcmap) + results = responder.evaluate_answers(self.student_answers, oldcmap) newcmap.update(results) self.correct_map = newcmap # log.debug('%s: in grade_answers, answers=%s, cmap=%s' % (self,answers,newcmap)) diff --git a/common/lib/xmodule/xmodule/capa_module.py b/common/lib/xmodule/xmodule/capa_module.py index fee80a34ff..7d7ca2c912 100644 --- a/common/lib/xmodule/xmodule/capa_module.py +++ b/common/lib/xmodule/xmodule/capa_module.py @@ -759,6 +759,8 @@ class CapaModule(CapaFields, XModule): try: correct_map = self.lcp.grade_answers(answers) + self.attempts = self.attempts + 1 + self.lcp.done = True self.set_state_from_lcp() except (StudentInputError, ResponseError, LoncapaProblemError) as inst: @@ -785,10 +787,6 @@ class CapaModule(CapaFields, XModule): return {'success': msg} raise - self.attempts = self.attempts + 1 - self.lcp.done = True - - self.set_state_from_lcp() self.publish_grade() # success = correct if ALL questions in this problem are correct @@ -814,6 +812,63 @@ class CapaModule(CapaFields, XModule): 'contents': html, } + def regrade_problem(self): + ''' Checks whether answers to a problem are correct, and + returns a map of correct/incorrect answers: + + {'success' : 'correct' | 'incorrect' | AJAX alert msg string, + 'contents' : html} + ''' + event_info = dict() + event_info['state'] = self.lcp.get_state() + event_info['problem_id'] = self.location.url() + + if not self.done: + event_info['failure'] = 'unanswered' + self.system.track_function('save_problem_regrade_fail', event_info) + raise NotFoundError('Problem must be answered before it can be graded again') + + try: + correct_map = self.lcp.regrade_existing_answers() + # regrading should have no effect on attempts, so don't + # need to increment here, or mark done. Just save. + self.set_state_from_lcp() + except StudentInputError as inst: + log.exception("StudentInputError in capa_module:problem_regrade") + return {'success': inst.message} + except Exception, err: + if self.system.DEBUG: + msg = "Error checking problem: " + str(err) + msg += '\nTraceback:\n' + traceback.format_exc() + return {'success': msg} + raise + + self.publish_grade() + + # success = correct if ALL questions in this problem are correct + success = 'correct' + for answer_id in correct_map: + if not correct_map.is_correct(answer_id): + success = 'incorrect' + + # NOTE: We are logging both full grading and queued-grading submissions. In the latter, + # 'success' will always be incorrect + event_info['correct_map'] = correct_map.get_dict() + event_info['success'] = success + event_info['attempts'] = self.attempts + self.system.track_function('save_problem_regrade', event_info) + + # TODO: figure out if psychometrics should be called on regrading requests + if hasattr(self.system, 'psychometrics_handler'): # update PsychometricsData using callback + self.system.psychometrics_handler(self.get_instance_state()) + + # render problem into HTML + html = self.get_problem_html(encapsulate=False) + + return {'success': success, + 'contents': html, + } + def save_problem(self, get): ''' Save the passed in answers. diff --git a/lms/djangoapps/courseware/migrations/0010_add_courseware_coursetasklog.py b/lms/djangoapps/courseware/migrations/0010_add_courseware_coursetasklog.py new file mode 100644 index 0000000000..c24bcbd46e --- /dev/null +++ b/lms/djangoapps/courseware/migrations/0010_add_courseware_coursetasklog.py @@ -0,0 +1,162 @@ +# -*- coding: utf-8 -*- +import datetime +from south.db import db +from south.v2 import SchemaMigration +from django.db import models + + +class Migration(SchemaMigration): + + def forwards(self, orm): + + # Adding model 'CourseTaskLog' + db.create_table('courseware_coursetasklog', ( + ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)), + ('course_id', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)), + ('student', self.gf('django.db.models.fields.related.ForeignKey')(related_name='+', null=True, to=orm['auth.User'])), + ('task_name', self.gf('django.db.models.fields.CharField')(max_length=50, db_index=True)), + ('task_args', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)), + ('task_id', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)), + ('task_status', self.gf('django.db.models.fields.CharField')(max_length=50, null=True, db_index=True)), + ('requester', self.gf('django.db.models.fields.related.ForeignKey')(related_name='+', to=orm['auth.User'])), + ('created', self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, null=True, db_index=True, blank=True)), + ('updated', self.gf('django.db.models.fields.DateTimeField')(auto_now=True, db_index=True, blank=True)), + )) + db.send_create_signal('courseware', ['CourseTaskLog']) + + def backwards(self, orm): + # Deleting model 'CourseTaskLog' + db.delete_table('courseware_coursetasklog') + + + models = { + 'auth.group': { + 'Meta': {'object_name': 'Group'}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}), + 'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}) + }, + 'auth.permission': { + 'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'}, + 'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}), + 'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'name': ('django.db.models.fields.CharField', [], {'max_length': '50'}) + }, + 'auth.user': { + 'Meta': {'object_name': 'User'}, + 'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}), + 'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}), + 'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}), + 'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}), + 'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}), + 'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}), + 'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}), + 'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}), + 'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}), + 'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}), + 'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'}) + }, + 'contenttypes.contenttype': { + 'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"}, + 'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}), + 'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}) + }, + 'courseware.coursetasklog': { + 'Meta': {'object_name': 'CourseTaskLog'}, + 'course_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}), + 'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'null': 'True', 'db_index': 'True', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'requester': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'+'", 'to': "orm['auth.User']"}), + 'student': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'+'", 'null': 'True', 'to': "orm['auth.User']"}), + 'task_args': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}), + 'task_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}), + 'task_name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}), + 'task_status': ('django.db.models.fields.CharField', [], {'max_length': '50', 'null': 'True', 'db_index': 'True'}), + 'updated': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}) + }, + 'courseware.offlinecomputedgrade': { + 'Meta': {'unique_together': "(('user', 'course_id'),)", 'object_name': 'OfflineComputedGrade'}, + 'course_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}), + 'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'null': 'True', 'db_index': 'True', 'blank': 'True'}), + 'gradeset': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'updated': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}), + 'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}) + }, + 'courseware.offlinecomputedgradelog': { + 'Meta': {'ordering': "['-created']", 'object_name': 'OfflineComputedGradeLog'}, + 'course_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}), + 'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'null': 'True', 'db_index': 'True', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'nstudents': ('django.db.models.fields.IntegerField', [], {'default': '0'}), + 'seconds': ('django.db.models.fields.IntegerField', [], {'default': '0'}) + }, + 'courseware.studentmodule': { + 'Meta': {'unique_together': "(('student', 'module_state_key', 'course_id'),)", 'object_name': 'StudentModule'}, + 'course_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}), + 'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}), + 'done': ('django.db.models.fields.CharField', [], {'default': "'na'", 'max_length': '8', 'db_index': 'True'}), + 'grade': ('django.db.models.fields.FloatField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'max_grade': ('django.db.models.fields.FloatField', [], {'null': 'True', 'blank': 'True'}), + 'modified': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}), + 'module_state_key': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_column': "'module_id'", 'db_index': 'True'}), + 'module_type': ('django.db.models.fields.CharField', [], {'default': "'problem'", 'max_length': '32', 'db_index': 'True'}), + 'state': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}), + 'student': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}) + }, + 'courseware.studentmodulehistory': { + 'Meta': {'object_name': 'StudentModuleHistory'}, + 'created': ('django.db.models.fields.DateTimeField', [], {'db_index': 'True'}), + 'grade': ('django.db.models.fields.FloatField', [], {'null': 'True', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'max_grade': ('django.db.models.fields.FloatField', [], {'null': 'True', 'blank': 'True'}), + 'state': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}), + 'student_module': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['courseware.StudentModule']"}), + 'version': ('django.db.models.fields.CharField', [], {'db_index': 'True', 'max_length': '255', 'null': 'True', 'blank': 'True'}) + }, + 'courseware.xmodulecontentfield': { + 'Meta': {'unique_together': "(('definition_id', 'field_name'),)", 'object_name': 'XModuleContentField'}, + 'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}), + 'definition_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}), + 'field_name': ('django.db.models.fields.CharField', [], {'max_length': '64', 'db_index': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'modified': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}), + 'value': ('django.db.models.fields.TextField', [], {'default': "'null'"}) + }, + 'courseware.xmodulesettingsfield': { + 'Meta': {'unique_together': "(('usage_id', 'field_name'),)", 'object_name': 'XModuleSettingsField'}, + 'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}), + 'field_name': ('django.db.models.fields.CharField', [], {'max_length': '64', 'db_index': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'modified': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}), + 'usage_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}), + 'value': ('django.db.models.fields.TextField', [], {'default': "'null'"}) + }, + 'courseware.xmodulestudentinfofield': { + 'Meta': {'unique_together': "(('student', 'field_name'),)", 'object_name': 'XModuleStudentInfoField'}, + 'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}), + 'field_name': ('django.db.models.fields.CharField', [], {'max_length': '64', 'db_index': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'modified': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}), + 'student': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}), + 'value': ('django.db.models.fields.TextField', [], {'default': "'null'"}) + }, + 'courseware.xmodulestudentprefsfield': { + 'Meta': {'unique_together': "(('student', 'module_type', 'field_name'),)", 'object_name': 'XModuleStudentPrefsField'}, + 'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}), + 'field_name': ('django.db.models.fields.CharField', [], {'max_length': '64', 'db_index': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'modified': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}), + 'module_type': ('django.db.models.fields.CharField', [], {'max_length': '64', 'db_index': 'True'}), + 'student': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}), + 'value': ('django.db.models.fields.TextField', [], {'default': "'null'"}) + } + } + + complete_apps = ['courseware'] diff --git a/lms/djangoapps/courseware/models.py b/lms/djangoapps/courseware/models.py index 53493b8e45..5e58dc2e96 100644 --- a/lms/djangoapps/courseware/models.py +++ b/lms/djangoapps/courseware/models.py @@ -17,6 +17,7 @@ from django.db import models from django.db.models.signals import post_save from django.dispatch import receiver + class StudentModule(models.Model): """ Keeps student state for a particular module in a particular course. @@ -262,3 +263,20 @@ class OfflineComputedGradeLog(models.Model): def __unicode__(self): return "[OCGLog] %s: %s" % (self.course_id, self.created) + + +class CourseTaskLog(models.Model): + """ + Stores information about background tasks that have been submitted to + perform course-specific work. + Examples include grading and regrading. + """ + course_id = models.CharField(max_length=255, db_index=True) + student = models.ForeignKey(User, null=True, db_index=True, related_name='+') # optional: None = task applies to all students + task_name = models.CharField(max_length=50, db_index=True) + task_args = models.CharField(max_length=255, db_index=True) + task_id = models.CharField(max_length=255, db_index=True) # max_length from celery_taskmeta + task_status = models.CharField(max_length=50, null=True, db_index=True) # max_length from celery_taskmeta + requester = models.ForeignKey(User, db_index=True, related_name='+') + created = models.DateTimeField(auto_now_add=True, null=True, db_index=True) + updated = models.DateTimeField(auto_now=True, db_index=True) diff --git a/lms/djangoapps/courseware/tasks.py b/lms/djangoapps/courseware/tasks.py new file mode 100644 index 0000000000..516997485e --- /dev/null +++ b/lms/djangoapps/courseware/tasks.py @@ -0,0 +1,352 @@ + +import json +import logging +from django.contrib.auth.models import User +from courseware.models import StudentModule, CourseTaskLog +from courseware.model_data import ModelDataCache +from courseware.module_render import get_module + +from xmodule.modulestore.django import modulestore +from xmodule.modulestore.exceptions import ItemNotFoundError,\ + InvalidLocationError +import track.views + +from celery import task, current_task +from celery.utils.log import get_task_logger +from time import sleep +from django.core.handlers.wsgi import WSGIRequest + +logger = get_task_logger(__name__) + +# celery = Celery('tasks', broker='django://') + +log = logging.getLogger(__name__) + + +@task +def add(x, y): + return x + y + + +@task +def echo(value): + if value == 'ping': + result = 'pong' + else: + result = 'got: {0}'.format(value) + + return result + + +@task +def waitawhile(value): + for i in range(value): + sleep(1) # in seconds + logger.info('Waited {0} seconds...'.format(i)) + current_task.update_state(state='PROGRESS', + meta={'current': i, 'total': value}) + + result = 'Yeah!' + return result + + +class UpdateProblemModuleStateError(Exception): + pass + + +def _update_problem_module_state(request, course_id, problem_url, student, update_fcn, action_name, filter_fcn): + ''' + Performs generic update by visiting StudentModule instances with the update_fcn provided + + If student is None, performs update on modules for all students on the specified problem + ''' + module_state_key = problem_url + # TODO: store this in the task state, not as a separate return value. + # (Unless that's not what the task state is intended to mean. The task can successfully + # complete, as far as celery is concerned, but have an internal status of failed.) + succeeded = False + + # find the problem descriptor, if any: + try: + module_descriptor = modulestore().get_instance(course_id, module_state_key) + succeeded = True + except ItemNotFoundError: + msg = "Couldn't find problem with that urlname." + except InvalidLocationError: + msg = "Couldn't find problem with that urlname." + if module_descriptor is None: + msg = "Couldn't find problem with that urlname." +# if not succeeded: +# current_task.update_state( +# meta={'attempted': num_attempted, 'updated': num_updated, 'total': num_total}) +# The task should still succeed, but should have metadata indicating +# that the result of the successful task was a failure. (It's not +# the queue that failed, but the task put on the queue.) + + # find the module in question + succeeded = False + modules_to_update = StudentModule.objects.filter(course_id=course_id, + module_state_key=module_state_key) + + # give the option of regrading an individual student. If not specified, + # then regrades all students who have responded to a problem so far + if student is not None: + modules_to_update = modules_to_update.filter(student_id=student.id) + + if filter_fcn is not None: + modules_to_update = filter_fcn(modules_to_update) + + # perform the main loop + num_updated = 0 + num_attempted = 0 + num_total = len(modules_to_update) # TODO: make this more efficient. Count()? + for module_to_update in modules_to_update: + num_attempted += 1 +# try: + if update_fcn(request, module_to_update, module_descriptor): + num_updated += 1 +# if there's an error, just let it throw, and the task will +# be marked as FAILED, with a stack trace. +# except UpdateProblemModuleStateError as e: + # something bad happened, so exit right away +# return (succeeded, e.message) + # update task status: + current_task.update_state(state='PROGRESS', + meta={'attempted': num_attempted, 'updated': num_updated, 'total': num_total}) + + # done with looping through all modules, so just return final statistics: + if student is not None: + if num_attempted == 0: + msg = "Unable to find submission to be {action} for student '{student}' and problem '{problem}'." + elif num_updated == 0: + msg = "Problem failed to be {action} for student '{student}' and problem '{problem}'!" + else: + succeeded = True + msg = "Problem successfully {action} for student '{student}' and problem '{problem}'" + elif num_attempted == 0: + msg = "Unable to find any students with submissions to be {action} for problem '{problem}'." + elif num_updated == 0: + msg = "Problem failed to be {action} for any of {attempted} students for problem '{problem}'!" + elif num_updated == num_attempted: + succeeded = True + msg = "Problem successfully {action} for {attempted} students for problem '{problem}'!" + elif num_updated < num_attempted: + msg = "Problem {action} for {updated} of {attempted} students for problem '{problem}'!" + + msg = msg.format(action=action_name, updated=num_updated, attempted=num_attempted, student=student, problem=module_state_key) + # update status in task result object itself: + current_task.update_state(state='DONE', + meta={'attempted': num_attempted, 'updated': num_updated, 'total': num_total, + 'succeeded': succeeded, 'message': msg}) + + # and update status in course task table as well: + # TODO: figure out how this is legal. The actual task result + # status is updated by celery when this task completes, and is + # not +# course_task_log_entry = CourseTaskLog.objects.get(task_id=current_task.id) +# course_task_log_entry.task_status = ... + + # return (succeeded, msg) + return succeeded + + +def _update_problem_module_state_for_student(request, course_id, problem_url, student_identifier, + update_fcn, action_name, filter_fcn=None): + msg = '' + success = False + # try to uniquely id student by email address or username + try: + if "@" in student_identifier: + student_to_update = User.objects.get(email=student_identifier) + elif student_identifier is not None: + student_to_update = User.objects.get(username=student_identifier) + return _update_problem_module_state(request, course_id, problem_url, student_to_update, update_fcn, action_name, filter_fcn) + except User.DoesNotExist: + msg = "Couldn't find student with that email or username." + + return (success, msg) + + +def _update_problem_module_state_for_all_students(request, course_id, problem_url, update_fcn, action_name, filter_fcn=None): + return _update_problem_module_state(request, course_id, problem_url, None, update_fcn, action_name, filter_fcn) + + +def _regrade_problem_module_state(request, module_to_regrade, module_descriptor): + ''' + Takes an XModule descriptor and a corresponding StudentModule object, and + performs regrading on the student's problem submission. + + Throws exceptions if the regrading is fatal and should be aborted if in a loop. + ''' + # unpack the StudentModule: + course_id = module_to_regrade.course_id + student = module_to_regrade.student + module_state_key = module_to_regrade.module_state_key + + # reconstitute the problem's corresponding XModule: + model_data_cache = ModelDataCache.cache_for_descriptor_descendents(course_id, student, + module_descriptor) + # Note that the request is passed to get_module() to provide xqueue-related URL information + instance = get_module(student, request, module_state_key, model_data_cache, + course_id, grade_bucket_type='regrade') + + if instance is None: + # Either permissions just changed, or someone is trying to be clever + # and load something they shouldn't have access to. + msg = "No module {loc} for student {student}--access denied?".format(loc=module_state_key, + student=student) + log.debug(msg) + raise UpdateProblemModuleStateError(msg) + + if not hasattr(instance, 'regrade_problem'): + # if the first instance doesn't have a regrade method, we should + # probably assume that no other instances will either. + msg = "Specified problem does not support regrading." + raise UpdateProblemModuleStateError(msg) + + result = instance.regrade_problem() + if 'success' not in result: + # don't consider these fatal, but false means that the individual call didn't complete: + log.debug("error processing regrade call for problem {loc} and student {student}: " + "unexpected response {msg}".format(msg=result, loc=module_state_key, student=student)) + return False + elif result['success'] != 'correct' and result['success'] != 'incorrect': + log.debug("error processing regrade call for problem {loc} and student {student}: " + "{msg}".format(msg=result['success'], loc=module_state_key, student=student)) + return False + else: + track.views.server_track(request, + '{instructor} regrade problem {problem} for student {student} ' + 'in {course}'.format(student=student.id, + problem=module_to_regrade.module_state_key, + instructor=request.user, + course=course_id), + {}, + page='idashboard') + return True + + +def filter_problem_module_state_for_done(modules_to_update): + return modules_to_update.filter(state__contains='"done": true') + + +@task +def _regrade_problem_for_student(request, course_id, problem_url, student_identifier): + action_name = 'regraded' + update_fcn = _regrade_problem_module_state + filter_fcn = filter_problem_module_state_for_done + return _update_problem_module_state_for_student(request, course_id, problem_url, student_identifier, + update_fcn, action_name, filter_fcn) + + +def regrade_problem_for_student(request, course_id, problem_url, student_identifier): + # First submit task. Then put stuff into table with the resulting task_id. + result = _regrade_problem_for_student.apply_async(request, course_id, problem_url, student_identifier) + task_id = result.id + # TODO: for log, would want student_identifier to already be mapped to the student + tasklog_args = {'course_id': course_id, + 'task_name': 'regrade', + 'task_args': problem_url, + 'task_id': task_id, + 'task_status': result.state, + 'requester': request.user} + + CourseTaskLog.objects.create(**tasklog_args) + return result + + +@task +def _regrade_problem_for_all_students(request_environ, course_id, problem_url): +# request = dummy_request + request = WSGIRequest(request_environ) + action_name = 'regraded' + update_fcn = _regrade_problem_module_state + filter_fcn = filter_problem_module_state_for_done + return _update_problem_module_state_for_all_students(request, course_id, problem_url, + update_fcn, action_name, filter_fcn) + + +def regrade_problem_for_all_students(request, course_id, problem_url): + # Figure out (for now) how to serialize what we need of the request. The actual + # request will not successfully serialize with json or with pickle. + request_environ = {'HTTP_USER_AGENT': request.META['HTTP_USER_AGENT'], + 'REMOTE_ADDR': request.META['REMOTE_ADDR'], + 'SERVER_NAME': request.META['SERVER_NAME'], + 'REQUEST_METHOD': 'GET', +# 'HTTP_X_FORWARDED_PROTO': request.META['HTTP_X_FORWARDED_PROTO'], + } + + # Submit task. Then put stuff into table with the resulting task_id. + task_args = [request_environ, course_id, problem_url] + result = _regrade_problem_for_all_students.apply_async(task_args) + task_id = result.id + tasklog_args = {'course_id': course_id, + 'task_name': 'regrade', + 'task_args': problem_url, + 'task_id': task_id, + 'task_status': result.state, + 'requester': request.user} + course_task_log = CourseTaskLog.objects.create(**tasklog_args) + return course_task_log + + +def _reset_problem_attempts_module_state(request, module_to_reset, module_descriptor): + # modify the problem's state + # load the state json and change state + problem_state = json.loads(module_to_reset.state) + if 'attempts' in problem_state: + old_number_of_attempts = problem_state["attempts"] + if old_number_of_attempts > 0: + problem_state["attempts"] = 0 + # convert back to json and save + module_to_reset.state = json.dumps(problem_state) + module_to_reset.save() + # write out tracking info + track.views.server_track(request, + '{instructor} reset attempts from {old_attempts} to 0 for {student} ' + 'on problem {problem} in {course}'.format(old_attempts=old_number_of_attempts, + student=module_to_reset.student, + problem=module_to_reset.module_state_key, + instructor=request.user, + course=module_to_reset.course_id), + {}, + page='idashboard') + + # consider the reset to be successful, even if no update was performed. (It's just "optimized".) + return True + + +def _reset_problem_attempts_for_student(request, course_id, problem_url, student_identifier): + action_name = 'reset' + update_fcn = _reset_problem_attempts_module_state + return _update_problem_module_state_for_student(request, course_id, problem_url, student_identifier, + update_fcn, action_name) + + +def _reset_problem_attempts_for_all_students(request, course_id, problem_url): + action_name = 'reset' + update_fcn = _reset_problem_attempts_module_state + return _update_problem_module_state_for_all_students(request, course_id, problem_url, + update_fcn, action_name) + + +def _delete_problem_module_state(request, module_to_delete, module_descriptor): + ''' + delete the state + ''' + module_to_delete.delete() + return True + + +def _delete_problem_state_for_student(request, course_id, problem_url, student_ident): + action_name = 'deleted' + update_fcn = _delete_problem_module_state + return _update_problem_module_state_for_student(request, course_id, problem_url, + update_fcn, action_name) + + +def _delete_problem_state_for_all_students(request, course_id, problem_url): + action_name = 'deleted' + update_fcn = _delete_problem_module_state + return _update_problem_module_state_for_all_students(request, course_id, problem_url, + update_fcn, action_name) diff --git a/lms/djangoapps/instructor/views.py b/lms/djangoapps/instructor/views.py index 63869fb48b..47b22edcb2 100644 --- a/lms/djangoapps/instructor/views.py +++ b/lms/djangoapps/instructor/views.py @@ -12,6 +12,7 @@ import requests from requests.status_codes import codes import urllib from collections import OrderedDict +from time import sleep from StringIO import StringIO @@ -24,6 +25,7 @@ from mitxmako.shortcuts import render_to_response from django.core.urlresolvers import reverse from courseware import grades +from courseware import tasks from courseware.access import (has_access, get_access_group_name, course_beta_test_group_name) from courseware.courses import get_course_with_access @@ -174,6 +176,13 @@ def instructor_dashboard(request, course_id): datatable['title'] = 'List of students enrolled in {0}'.format(course_id) track.views.server_track(request, 'list-students', {}, page='idashboard') + elif 'Test Celery' in action: + args = (10,) + result = tasks.waitawhile.apply_async(args, retry=False) + task_id = result.id + celery_ajax_url = reverse('celery_ajax_status', kwargs={'task_id': task_id}) + msg += '

Celery Status for task ${task}:

Status end.

'.format(task=task_id, url=celery_ajax_url) + elif 'Dump Grades' in action: log.debug(action) datatable = get_student_grade_summary_data(request, course, course_id, get_grades=True, use_offline=use_offline) @@ -205,6 +214,13 @@ def instructor_dashboard(request, course_id): track.views.server_track(request, action, {}, page='idashboard') msg += dump_grading_context(course) + elif "Regrade ALL students' problem submissions" in action: + problem_url = request.POST.get('problem_to_regrade', '') + try: + result = tasks.regrade_problem_for_all_students(request, course_id, problem_url) + except Exception as e: + log.error("Encountered exception from regrade: {msg}", msg=e.message()) + elif "Reset student's attempts" in action or "Delete student state for problem" in action: # get the form data unique_student_identifier = request.POST.get('unique_student_identifier', '') @@ -1181,3 +1197,101 @@ def dump_grading_context(course): msg += "length=%d\n" % len(gc['all_descriptors']) msg = '
%s
' % msg.replace('<', '<') return msg + + +def old1testcelery(request): + """ + A Simple view that checks if the application can talk to the celery workers + """ + args = ('ping',) + result = tasks.echo.apply_async(args, retry=False) + value = result.get(timeout=0.5) + output = { + 'task_id': result.id, + 'value': value + } + return HttpResponse(json.dumps(output, indent=4)) + + +def old2testcelery(request): + """ + A Simple view that checks if the application can talk to the celery workers + """ + args = (10,) + result = tasks.waitawhile.apply_async(args, retry=False) + while not result.ready(): + sleep(0.5) # in seconds + if result.state == "PROGRESS": + if hasattr(result, 'result') and 'current' in result.result: + log.info("still waiting... progress at {0} of {1}".format(result.result['current'], result.result['total'])) + else: + log.info("still making progress... ") + if result.successful(): + value = result.result + output = { + 'task_id': result.id, + 'value': value + } + return HttpResponse(json.dumps(output, indent=4)) + + +def testcelery(request): + """ + A Simple view that checks if the application can talk to the celery workers + """ + args = (10,) + result = tasks.waitawhile.apply_async(args, retry=False) + task_id = result.id + # return the task_id to a template which will set up an ajax call to + # check the progress of the task. + return testcelery_status(request, task_id) +# return mitxmako.shortcuts.render_to_response('celery_ajax.html', { +# 'element_id': 'celery_task' +# 'id': self.task_id, +# 'ajax_url': reverse('testcelery_ajax'), +# }) + + +def testcelery_status(request, task_id): + result = tasks.waitawhile.AsyncResult(task_id) + while not result.ready(): + sleep(0.5) # in seconds + if result.state == "PROGRESS": + if hasattr(result, 'result') and 'current' in result.result: + log.info("still waiting... progress at {0} of {1}".format(result.result['current'], result.result['total'])) + else: + log.info("still making progress... ") + if result.successful(): + value = result.result + output = { + 'task_id': result.id, + 'value': value + } + return HttpResponse(json.dumps(output, indent=4)) + + +def celery_task_status(request, task_id): + # TODO: determine if we need to know the name of the original task, + # or if this could be any task... Sample code seems to indicate that + # we could just include the AsyncResult class directly, i.e.: + # from celery.result import AsyncResult. + result = tasks.waitawhile.AsyncResult(task_id) + + output = { + 'task_id': result.id, + 'state': result.state + } + + if result.state == "PROGRESS": + if hasattr(result, 'result') and 'current' in result.result: + log.info("still waiting... progress at {0} of {1}".format(result.result['current'], result.result['total'])) + output['current'] = result.result['current'] + output['total'] = result.result['total'] + else: + log.info("still making progress... ") + + if result.successful(): + value = result.result + output['value'] = value + + return HttpResponse(json.dumps(output, indent=4)) diff --git a/lms/templates/courseware/instructor_dashboard.html b/lms/templates/courseware/instructor_dashboard.html index 561c6b9507..f60f591f2f 100644 --- a/lms/templates/courseware/instructor_dashboard.html +++ b/lms/templates/courseware/instructor_dashboard.html @@ -194,6 +194,12 @@ function goto( mode)
%endif +

Course-specific grade adjustment

+ +

to regrade a problem for all students, input the urlname of that problem

+

+ +

Student-specific grade inspection and adjustment

edX email address or their username:

@@ -234,6 +240,7 @@ function goto( mode) ##----------------------------------------------------------------------------- %if modeflag.get('Admin'): + %if instructor_access:

@@ -331,6 +338,10 @@ function goto( mode) ##----------------------------------------------------------------------------- %if modeflag.get('Data'): +

+ +

+

From d503e3313f0031e995bed1528241ca18ec422d9f Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Tue, 30 Apr 2013 02:16:15 -0400 Subject: [PATCH 10/51] Add task progress table to instructor dash. Add call to MakoMiddleware() to initialize templates in celery worker server. Pass task_ids by POST properties (as a list) to collect task progress status. --- lms/djangoapps/courseware/tasks.py | 132 ++++++++++++---- lms/djangoapps/instructor/views.py | 16 +- .../courseware/instructor_dashboard.html | 141 ++++++++++++++++++ lms/urls.py | 1 + 4 files changed, 254 insertions(+), 36 deletions(-) diff --git a/lms/djangoapps/courseware/tasks.py b/lms/djangoapps/courseware/tasks.py index 516997485e..674ea1effc 100644 --- a/lms/djangoapps/courseware/tasks.py +++ b/lms/djangoapps/courseware/tasks.py @@ -1,43 +1,31 @@ import json import logging +from time import sleep from django.contrib.auth.models import User +import mitxmako.middleware as middleware +from django.http import HttpResponse +# from django.http import HttpRequest +from django.test.client import RequestFactory + +from celery import task, current_task +from celery.result import AsyncResult +from celery.utils.log import get_task_logger + from courseware.models import StudentModule, CourseTaskLog from courseware.model_data import ModelDataCache from courseware.module_render import get_module from xmodule.modulestore.django import modulestore -from xmodule.modulestore.exceptions import ItemNotFoundError,\ - InvalidLocationError +from xmodule.modulestore.exceptions import ItemNotFoundError, InvalidLocationError import track.views -from celery import task, current_task -from celery.utils.log import get_task_logger -from time import sleep -from django.core.handlers.wsgi import WSGIRequest +# define different loggers for use within tasks and on client side logger = get_task_logger(__name__) - -# celery = Celery('tasks', broker='django://') - log = logging.getLogger(__name__) -@task -def add(x, y): - return x + y - - -@task -def echo(value): - if value == 'ping': - result = 'pong' - else: - result = 'got: {0}'.format(value) - - return result - - @task def waitawhile(value): for i in range(value): @@ -66,6 +54,15 @@ def _update_problem_module_state(request, course_id, problem_url, student, updat # complete, as far as celery is concerned, but have an internal status of failed.) succeeded = False + # add hack so that mako templates will work on celery worker server: + # The initialization of Make templating is usually done when Django is + # initialize middleware packages as part of processing a server request. + # When this is run on a celery worker server, no such initialization is + # called. So we look for the result: the defining of the lookup paths + # for templates. + if 'main' not in middleware.lookup: + middleware.MakoMiddleware() + # find the problem descriptor, if any: try: module_descriptor = modulestore().get_instance(course_id, module_state_key) @@ -105,8 +102,8 @@ def _update_problem_module_state(request, course_id, problem_url, student, updat # try: if update_fcn(request, module_to_update, module_descriptor): num_updated += 1 -# if there's an error, just let it throw, and the task will -# be marked as FAILED, with a stack trace. +# if there's an error, just let it throw, and the task will +# be marked as FAILED, with a stack trace. # except UpdateProblemModuleStateError as e: # something bad happened, so exit right away # return (succeeded, e.message) @@ -142,7 +139,8 @@ def _update_problem_module_state(request, course_id, problem_url, student, updat # and update status in course task table as well: # TODO: figure out how this is legal. The actual task result # status is updated by celery when this task completes, and is - # not + # presumably going to clobber this custom metadata. So if we want + # any such status to persist, we have to write it to the CourseTaskLog instead. # course_task_log_entry = CourseTaskLog.objects.get(task_id=current_task.id) # course_task_log_entry.task_status = ... @@ -216,10 +214,9 @@ def _regrade_problem_module_state(request, module_to_regrade, module_descriptor) return False else: track.views.server_track(request, - '{instructor} regrade problem {problem} for student {student} ' + 'regrade problem {problem} for student {student} ' 'in {course}'.format(student=student.id, problem=module_to_regrade.module_state_key, - instructor=request.user, course=course_id), {}, page='idashboard') @@ -257,8 +254,10 @@ def regrade_problem_for_student(request, course_id, problem_url, student_identif @task def _regrade_problem_for_all_students(request_environ, course_id, problem_url): -# request = dummy_request - request = WSGIRequest(request_environ) +# request = HttpRequest() +# request.META.update(request_environ) + factory = RequestFactory(**request_environ) + request = factory.get('/') action_name = 'regraded' update_fcn = _regrade_problem_module_state filter_fcn = filter_problem_module_state_for_done @@ -269,6 +268,7 @@ def _regrade_problem_for_all_students(request_environ, course_id, problem_url): def regrade_problem_for_all_students(request, course_id, problem_url): # Figure out (for now) how to serialize what we need of the request. The actual # request will not successfully serialize with json or with pickle. + # Maybe we can just pass all META info as a dict. request_environ = {'HTTP_USER_AGENT': request.META['HTTP_USER_AGENT'], 'REMOTE_ADDR': request.META['REMOTE_ADDR'], 'SERVER_NAME': request.META['SERVER_NAME'], @@ -290,6 +290,76 @@ def regrade_problem_for_all_students(request, course_id, problem_url): return course_task_log +def course_task_log_status(request, task_id=None): + """ + This returns the status of a course-related task as a JSON-serialized dict. + """ + output = {} + if task_id is not None: + output = _get_course_task_log_status(task_id) + elif 'task_id' in request.POST: + task_id = request.POST['task_id'] + output = _get_course_task_log_status(task_id) + elif 'task_ids[]' in request.POST: + tasks = request.POST.getlist('task_ids[]') + for task_id in tasks: + task_output = _get_course_task_log_status(task_id) + output[task_id] = task_output + # TODO else: raise exception? + + return HttpResponse(json.dumps(output, indent=4)) + + +def _get_course_task_log_status(task_id): + course_task_log_entry = CourseTaskLog.objects.get(task_id=task_id) + # TODO: error handling if it doesn't exist... + + def not_in_progress(entry): + # TODO: do better than to copy list from celery.states.READY_STATES + return entry.task_status in ['SUCCESS', 'FAILURE', 'REVOKED'] + + # if the task is already known to be done, then there's no reason to query + # the underlying task: + if not_in_progress(course_task_log_entry): + output = { + 'task_id': course_task_log_entry.task_id, + 'task_status': course_task_log_entry.task_status, + 'in_progress': False + } + return output + + # we need to get information from the task result directly now. + result = AsyncResult(task_id) + + output = { + 'task_id': result.id, + 'task_status': result.state, + 'in_progress': True + } + if result.traceback is not None: + output['task_traceback'] = result.traceback + + if result.state == "PROGRESS": + if hasattr(result, 'result') and 'current' in result.result: + log.info("still waiting... progress at {0} of {1}".format(result.result['current'], + result.result['total'])) + output['current'] = result.result['current'] + output['total'] = result.result['total'] + else: + log.info("still making progress... ") + + if result.successful(): + value = result.result + output['value'] = value + + # update the entry if necessary: + if course_task_log_entry.task_status != result.state: + course_task_log_entry.task_status = result.state + course_task_log_entry.save() + + return output + + def _reset_problem_attempts_module_state(request, module_to_reset, module_descriptor): # modify the problem's state # load the state json and change state diff --git a/lms/djangoapps/instructor/views.py b/lms/djangoapps/instructor/views.py index 47b22edcb2..67ea0d1ea9 100644 --- a/lms/djangoapps/instructor/views.py +++ b/lms/djangoapps/instructor/views.py @@ -29,7 +29,7 @@ from courseware import tasks from courseware.access import (has_access, get_access_group_name, course_beta_test_group_name) from courseware.courses import get_course_with_access -from courseware.models import StudentModule +from courseware.models import StudentModule, CourseTaskLog from django_comment_common.models import (Role, FORUM_ROLE_ADMINISTRATOR, FORUM_ROLE_MODERATOR, @@ -217,10 +217,13 @@ def instructor_dashboard(request, course_id): elif "Regrade ALL students' problem submissions" in action: problem_url = request.POST.get('problem_to_regrade', '') try: - result = tasks.regrade_problem_for_all_students(request, course_id, problem_url) + course_task_log_entry = tasks.regrade_problem_for_all_students(request, course_id, problem_url) except Exception as e: - log.error("Encountered exception from regrade: {msg}", msg=e.message()) - + log.error("Encountered exception from regrade: {0}", e) + # check that a course_task_log entry was created: + if course_task_log_entry is None: + msg += 'Failed to create a background task for regrading "{0}".'.format(problem_url) + elif "Reset student's attempts" in action or "Delete student state for problem" in action: # get the form data unique_student_identifier = request.POST.get('unique_student_identifier', '') @@ -641,6 +644,9 @@ def instructor_dashboard(request, course_id): if use_offline: msg += "
Grades from %s" % offline_grades_available(course_id) + # generate list of pending background tasks + course_tasks = CourseTaskLog.objects.filter(course_id = course_id).exclude(task_status='SUCCESS').exclude(task_status='FAILURE') + #---------------------------------------- # context for rendering @@ -655,7 +661,7 @@ def instructor_dashboard(request, course_id): 'problems': problems, # psychometrics 'plots': plots, # psychometrics 'course_errors': modulestore().get_item_errors(course.location), - + 'course_tasks': course_tasks, 'djangopid': os.getpid(), 'mitx_version': getattr(settings, 'MITX_VERSION_STRING', ''), 'offline_grade_log': offline_grades_available(course_id), diff --git a/lms/templates/courseware/instructor_dashboard.html b/lms/templates/courseware/instructor_dashboard.html index f60f591f2f..3b5ea7a0e1 100644 --- a/lms/templates/courseware/instructor_dashboard.html +++ b/lms/templates/courseware/instructor_dashboard.html @@ -9,6 +9,110 @@ + +%if course_tasks is not None: + +%endif @@ -384,6 +488,43 @@ function goto( mode) %if msg:

${msg}

%endif +##----------------------------------------------------------------------------- +## Output tasks in progress + +%if course_tasks is not None: +

Pending Course Tasks

+
+ + + + + + + + + + + + + %for tasknum, course_task in enumerate(course_tasks): + + + + + + + + + + + + %endfor +
Task NameTask ArgStudentTask IdRequesterSubmittedLast UpdateTask StatusTask Progress
${course_task.task_name}${course_task.task_args}${course_task.student}
${course_task.task_id}
${course_task.requester}${course_task.created}
${course_task.updated}
${course_task.task_status}
unknown
+
+
+ +%endif + ##----------------------------------------------------------------------------- %if modeflag.get('Analytics'): diff --git a/lms/urls.py b/lms/urls.py index 74ac44cf59..60d84d4e74 100644 --- a/lms/urls.py +++ b/lms/urls.py @@ -58,6 +58,7 @@ urlpatterns = ('', # nopep8 name='auth_password_reset_done'), url(r'^heartbeat$', include('heartbeat.urls')), + url(r'^course_task_log_status/$', 'courseware.tasks.course_task_log_status', name='course_task_log_status'), ) # University profiles only make sense in the default edX context From 7711c00e2c2f0ea3bc0513cedf882e68e9d361f0 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Mon, 6 May 2013 18:51:56 -0400 Subject: [PATCH 11/51] Pull task_queue.py methods out from tasks.py, to represent API calls from client. Tasks.py remains the task implementations running on the celery worker. In particular, move status message generation out of task thread to client side. --- .../0010_add_courseware_coursetasklog.py | 10 +- lms/djangoapps/courseware/models.py | 19 +- lms/djangoapps/courseware/task_queue.py | 207 +++++++++++++ lms/djangoapps/courseware/tasks.py | 277 +++++++----------- lms/djangoapps/instructor/views.py | 225 +++++++------- .../courseware/instructor_dashboard.html | 20 +- 6 files changed, 455 insertions(+), 303 deletions(-) create mode 100644 lms/djangoapps/courseware/task_queue.py diff --git a/lms/djangoapps/courseware/migrations/0010_add_courseware_coursetasklog.py b/lms/djangoapps/courseware/migrations/0010_add_courseware_coursetasklog.py index c24bcbd46e..345eebb535 100644 --- a/lms/djangoapps/courseware/migrations/0010_add_courseware_coursetasklog.py +++ b/lms/djangoapps/courseware/migrations/0010_add_courseware_coursetasklog.py @@ -8,22 +8,23 @@ from django.db import models class Migration(SchemaMigration): def forwards(self, orm): - # Adding model 'CourseTaskLog' db.create_table('courseware_coursetasklog', ( ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)), + ('task_name', self.gf('django.db.models.fields.CharField')(max_length=50, db_index=True)), ('course_id', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)), ('student', self.gf('django.db.models.fields.related.ForeignKey')(related_name='+', null=True, to=orm['auth.User'])), - ('task_name', self.gf('django.db.models.fields.CharField')(max_length=50, db_index=True)), ('task_args', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)), ('task_id', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)), - ('task_status', self.gf('django.db.models.fields.CharField')(max_length=50, null=True, db_index=True)), + ('task_state', self.gf('django.db.models.fields.CharField')(max_length=50, null=True, db_index=True)), + ('task_progress', self.gf('django.db.models.fields.CharField')(max_length=1024, null=True, db_index=True)), ('requester', self.gf('django.db.models.fields.related.ForeignKey')(related_name='+', to=orm['auth.User'])), ('created', self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, null=True, db_index=True, blank=True)), ('updated', self.gf('django.db.models.fields.DateTimeField')(auto_now=True, db_index=True, blank=True)), )) db.send_create_signal('courseware', ['CourseTaskLog']) + def backwards(self, orm): # Deleting model 'CourseTaskLog' db.delete_table('courseware_coursetasklog') @@ -76,7 +77,8 @@ class Migration(SchemaMigration): 'task_args': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}), 'task_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}), 'task_name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}), - 'task_status': ('django.db.models.fields.CharField', [], {'max_length': '50', 'null': 'True', 'db_index': 'True'}), + 'task_progress': ('django.db.models.fields.CharField', [], {'max_length': '1024', 'null': 'True', 'db_index': 'True'}), + 'task_state': ('django.db.models.fields.CharField', [], {'max_length': '50', 'null': 'True', 'db_index': 'True'}), 'updated': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}) }, 'courseware.offlinecomputedgrade': { diff --git a/lms/djangoapps/courseware/models.py b/lms/djangoapps/courseware/models.py index 5e58dc2e96..4700bcfb0b 100644 --- a/lms/djangoapps/courseware/models.py +++ b/lms/djangoapps/courseware/models.py @@ -271,12 +271,27 @@ class CourseTaskLog(models.Model): perform course-specific work. Examples include grading and regrading. """ + task_name = models.CharField(max_length=50, db_index=True) course_id = models.CharField(max_length=255, db_index=True) student = models.ForeignKey(User, null=True, db_index=True, related_name='+') # optional: None = task applies to all students - task_name = models.CharField(max_length=50, db_index=True) task_args = models.CharField(max_length=255, db_index=True) task_id = models.CharField(max_length=255, db_index=True) # max_length from celery_taskmeta - task_status = models.CharField(max_length=50, null=True, db_index=True) # max_length from celery_taskmeta + task_state = models.CharField(max_length=50, null=True, db_index=True) # max_length from celery_taskmeta + task_progress = models.CharField(max_length=1024, null=True, db_index=True) requester = models.ForeignKey(User, db_index=True, related_name='+') created = models.DateTimeField(auto_now_add=True, null=True, db_index=True) updated = models.DateTimeField(auto_now=True, db_index=True) + + def __repr__(self): + return 'CourseTaskLog<%r>' % ({ + 'task_name': self.task_name, + 'course_id': self.course_id, + 'student': self.student.username, + 'task_args': self.task_args, + 'task_id': self.task_id, + 'task_state': self.task_state, + 'task_progress': self.task_progress, + },) + + def __unicode__(self): + return unicode(repr(self)) diff --git a/lms/djangoapps/courseware/task_queue.py b/lms/djangoapps/courseware/task_queue.py new file mode 100644 index 0000000000..d439050039 --- /dev/null +++ b/lms/djangoapps/courseware/task_queue.py @@ -0,0 +1,207 @@ +import json +import logging +from django.http import HttpResponse + +from celery.result import AsyncResult +from celery.states import READY_STATES + +from courseware.models import CourseTaskLog +from courseware.tasks import regrade_problem_for_all_students +from xmodule.modulestore.django import modulestore + + +# define different loggers for use within tasks and on client side +log = logging.getLogger(__name__) + + +def get_running_course_tasks(course_id): + course_tasks = CourseTaskLog.objects.filter(course_id=course_id) + # exclude(task_state='SUCCESS').exclude(task_state='FAILURE').exclude(task_state='REVOKED') + for state in READY_STATES: + course_tasks = course_tasks.exclude(task_state=state) + return course_tasks + + +def _task_is_running(course_id, task_name, task_args, student=None): + runningTasks = CourseTaskLog.objects.filter(course_id=course_id, task_name=task_name, task_args=task_args) + if student is not None: + runningTasks = runningTasks.filter(student=student) + for state in READY_STATES: + runningTasks = runningTasks.exclude(task_state=state) + return len(runningTasks) > 0 + + +def submit_regrade_problem_for_all_students(request, course_id, problem_url): + # check arguments: in particular, make sure that problem_url is defined + # (since that's currently typed in). If the corresponding module descriptor doesn't exist, + # an exception should be raised. Let it continue to the caller. + modulestore().get_instance(course_id, problem_url) + + # TODO: adjust transactions so that one request will not be about to create an + # entry while a second is testing to see if the entry exists. (Need to handle + # quick accidental double-clicks when submitting.) + + # check to see if task is already running + task_name = 'regrade' + if _task_is_running(course_id, task_name, problem_url): + # TODO: figure out how to return info that it's already running + raise Exception("task is already running") + + # Create log entry now, so that future requests won't + tasklog_args = {'course_id': course_id, + 'task_name': task_name, + 'task_args': problem_url, + 'task_state': 'QUEUING', + 'requester': request.user} + course_task_log = CourseTaskLog.objects.create(**tasklog_args) + + + # At a low level of processing, the task currently fetches some information from the web request. + # This is used for setting up X-Queue, as well as for tracking. + # An actual request will not successfully serialize with json or with pickle. + # TODO: we can just pass all META info as a dict. + request_environ = {'HTTP_USER_AGENT': request.META['HTTP_USER_AGENT'], + 'REMOTE_ADDR': request.META['REMOTE_ADDR'], + 'SERVER_NAME': request.META['SERVER_NAME'], + 'REQUEST_METHOD': 'GET', +# 'HTTP_X_FORWARDED_PROTO': request.META['HTTP_X_FORWARDED_PROTO'], + } + + # Submit task: + task_args = [request_environ, course_id, problem_url] + result = regrade_problem_for_all_students.apply_async(task_args) + + # Put info into table with the resulting task_id. + course_task_log.task_state = result.state + course_task_log.task_id = result.id + course_task_log.save() + return course_task_log + + +def course_task_log_status(request, task_id=None): + """ + This returns the status of a course-related task as a JSON-serialized dict. + """ + output = {} + if task_id is not None: + output = _get_course_task_log_status(task_id) + elif 'task_id' in request.POST: + task_id = request.POST['task_id'] + output = _get_course_task_log_status(task_id) + elif 'task_ids[]' in request.POST: + tasks = request.POST.getlist('task_ids[]') + for task_id in tasks: + task_output = _get_course_task_log_status(task_id) + if task_output is not None: + output[task_id] = task_output + # TODO decide whether to raise exception if bad args are passed. + # May be enough just to return an empty output. + + return HttpResponse(json.dumps(output, indent=4)) + + +def _get_course_task_log_status(task_id): + """ + Get the status for a given task_id. + + Returns a dict, with the following keys: + 'task_id' + 'task_state' + 'in_progress': boolean indicating if the task is still running. + 'task_traceback': optional, returned if task failed and produced a traceback. + + If task doesn't exist, returns None. + """ + # First check if the task_id is known + try: + course_task_log_entry = CourseTaskLog.objects.get(task_id=task_id) + except CourseTaskLog.DoesNotExist: + # TODO: log a message here + return None + + output = {} + + # if the task is already known to be done, then there's no reason to query + # the underlying task: + if course_task_log_entry.task_state not in READY_STATES: + # we need to get information from the task result directly now. + # Just create the result object. + result = AsyncResult(task_id) + + if result.traceback is not None: + output['task_traceback'] = result.traceback + + if result.state == "PROGRESS": + # construct a status message directly from the task result's metadata: + if hasattr(result, 'result') and 'current' in result.result: + fmt = "Attempted {attempted} of {total}, {action_name} {updated}" + message = fmt.format(attempted=result.result['attempted'], + updated=result.result['updated'], + total=result.result['total'], + action_name=result.result['action_name']) + output['message'] = message + log.info("progress: {0}".format(message)) + for name in ['attempted', 'updated', 'total', 'action_name']: + output[name] = result.result[name] + else: + log.info("still making progress... ") + + # update the entry if the state has changed: + if result.state != course_task_log_entry.task_state: + course_task_log_entry.task_state = result.state + course_task_log_entry.save() + + output['task_id'] = course_task_log_entry.task_id + output['task_state'] = course_task_log_entry.task_state + output['in_progress'] = course_task_log_entry.task_state not in READY_STATES + + if course_task_log_entry.task_progress is not None: + output['task_progress'] = course_task_log_entry.task_progress + + if course_task_log_entry.task_state == 'SUCCESS': + succeeded, message = _get_task_completion_message(course_task_log_entry) + output['message'] = message + output['succeeded'] = succeeded + + return output + + +def _get_task_completion_message(course_task_log_entry): + """ + Construct progress message from progress information in CourseTaskLog entry. + + Returns (boolean, message string) duple. + """ + succeeded = False + + if course_task_log_entry.task_progress is None: + log.warning("No task_progress information found for course_task {0}".format(course_task_log_entry.task_id)) + return (succeeded, "No status information available") + + task_progress = json.loads(course_task_log_entry.task_progress) + action_name = task_progress['action_name'] + num_attempted = task_progress['attempted'] + num_updated = task_progress['updated'] + # num_total = task_progress['total'] + if course_task_log_entry.student is not None: + if num_attempted == 0: + msg = "Unable to find submission to be {action} for student '{student}' and problem '{problem}'." + elif num_updated == 0: + msg = "Problem failed to be {action} for student '{student}' and problem '{problem}'!" + else: + succeeded = True + msg = "Problem successfully {action} for student '{student}' and problem '{problem}'" + elif num_attempted == 0: + msg = "Unable to find any students with submissions to be {action} for problem '{problem}'." + elif num_updated == 0: + msg = "Problem failed to be {action} for any of {attempted} students for problem '{problem}'!" + elif num_updated == num_attempted: + succeeded = True + msg = "Problem successfully {action} for {attempted} students for problem '{problem}'!" + elif num_updated < num_attempted: + msg = "Problem {action} for {updated} of {attempted} students for problem '{problem}'!" + + # Update status in task result object itself: + message = msg.format(action=action_name, updated=num_updated, attempted=num_attempted, + student=course_task_log_entry.student, problem=course_task_log_entry.task_args) + return (succeeded, message) diff --git a/lms/djangoapps/courseware/tasks.py b/lms/djangoapps/courseware/tasks.py index 674ea1effc..f29ffb58ce 100644 --- a/lms/djangoapps/courseware/tasks.py +++ b/lms/djangoapps/courseware/tasks.py @@ -1,36 +1,35 @@ import json -import logging +#import logging from time import sleep from django.contrib.auth.models import User -import mitxmako.middleware as middleware -from django.http import HttpResponse -# from django.http import HttpRequest from django.test.client import RequestFactory from celery import task, current_task -from celery.result import AsyncResult +from celery.signals import worker_ready from celery.utils.log import get_task_logger +import mitxmako.middleware as middleware + from courseware.models import StudentModule, CourseTaskLog from courseware.model_data import ModelDataCache from courseware.module_render import get_module from xmodule.modulestore.django import modulestore -from xmodule.modulestore.exceptions import ItemNotFoundError, InvalidLocationError +#from xmodule.modulestore.exceptions import ItemNotFoundError, InvalidLocationError import track.views # define different loggers for use within tasks and on client side -logger = get_task_logger(__name__) -log = logging.getLogger(__name__) +task_log = get_task_logger(__name__) +# log = logging.getLogger(__name__) @task def waitawhile(value): for i in range(value): sleep(1) # in seconds - logger.info('Waited {0} seconds...'.format(i)) + task_log.info('Waited {0} seconds...'.format(i)) current_task.update_state(state='PROGRESS', meta={'current': i, 'total': value}) @@ -41,19 +40,35 @@ def waitawhile(value): class UpdateProblemModuleStateError(Exception): pass +#def get_module_descriptor(course_id, module_state_key): +# """Return module descriptor for requested module, or None if not found.""" +# try: +# module_descriptor = modulestore().get_instance(course_id, module_state_key) +# except ItemNotFoundError: +# pass +# except InvalidLocationError: +# pass +# return module_descriptor +# except ItemNotFoundError: +# msg = "Couldn't find problem with that urlname." +# except InvalidLocationError: +# msg = "Couldn't find problem with that urlname." +# if module_descriptor is None: +# msg = "Couldn't find problem with that urlname." +# if not succeeded: +# current_task.update_state( +# meta={'attempted': num_attempted, 'updated': num_updated, 'total': num_total}) +# The task should still succeed, but should have metadata indicating +# that the result of the successful task was a failure. (It's not +# the queue that failed, but the task put on the queue.) -def _update_problem_module_state(request, course_id, problem_url, student, update_fcn, action_name, filter_fcn): + +def _update_problem_module_state(request, course_id, module_state_key, student, update_fcn, action_name, filter_fcn): ''' Performs generic update by visiting StudentModule instances with the update_fcn provided If student is None, performs update on modules for all students on the specified problem ''' - module_state_key = problem_url - # TODO: store this in the task state, not as a separate return value. - # (Unless that's not what the task state is intended to mean. The task can successfully - # complete, as far as celery is concerned, but have an internal status of failed.) - succeeded = False - # add hack so that mako templates will work on celery worker server: # The initialization of Make templating is usually done when Django is # initialize middleware packages as part of processing a server request. @@ -61,24 +76,11 @@ def _update_problem_module_state(request, course_id, problem_url, student, updat # called. So we look for the result: the defining of the lookup paths # for templates. if 'main' not in middleware.lookup: + task_log.info("Initializing Mako middleware explicitly") middleware.MakoMiddleware() - # find the problem descriptor, if any: - try: - module_descriptor = modulestore().get_instance(course_id, module_state_key) - succeeded = True - except ItemNotFoundError: - msg = "Couldn't find problem with that urlname." - except InvalidLocationError: - msg = "Couldn't find problem with that urlname." - if module_descriptor is None: - msg = "Couldn't find problem with that urlname." -# if not succeeded: -# current_task.update_state( -# meta={'attempted': num_attempted, 'updated': num_updated, 'total': num_total}) -# The task should still succeed, but should have metadata indicating -# that the result of the successful task was a failure. (It's not -# the queue that failed, but the task put on the queue.) + # find the problem descriptor: + module_descriptor = modulestore().get_instance(course_id, module_state_key) # find the module in question succeeded = False @@ -97,54 +99,67 @@ def _update_problem_module_state(request, course_id, problem_url, student, updat num_updated = 0 num_attempted = 0 num_total = len(modules_to_update) # TODO: make this more efficient. Count()? + + def get_task_progress(): + progress = {'action_name': action_name, + 'attempted': num_attempted, + 'updated': num_updated, + 'total': num_total, + } + return progress + + task_log.info("Starting to process task {0}".format(current_task.request.id)) + for module_to_update in modules_to_update: num_attempted += 1 -# try: + # There is no try here: if there's an error, we let it throw, and the task will + # be marked as FAILED, with a stack trace. if update_fcn(request, module_to_update, module_descriptor): + # If the update_fcn returns true, then it performed some kind of work. num_updated += 1 -# if there's an error, just let it throw, and the task will -# be marked as FAILED, with a stack trace. -# except UpdateProblemModuleStateError as e: - # something bad happened, so exit right away -# return (succeeded, e.message) + # update task status: - current_task.update_state(state='PROGRESS', - meta={'attempted': num_attempted, 'updated': num_updated, 'total': num_total}) + # TODO: decide on the frequency for updating this: + # -- it may not make sense to do so every time through the loop + # -- may depend on each iteration's duration + current_task.update_state(state='PROGRESS', meta=get_task_progress()) + sleep(5) # in seconds - # done with looping through all modules, so just return final statistics: - if student is not None: - if num_attempted == 0: - msg = "Unable to find submission to be {action} for student '{student}' and problem '{problem}'." - elif num_updated == 0: - msg = "Problem failed to be {action} for student '{student}' and problem '{problem}'!" - else: - succeeded = True - msg = "Problem successfully {action} for student '{student}' and problem '{problem}'" - elif num_attempted == 0: - msg = "Unable to find any students with submissions to be {action} for problem '{problem}'." - elif num_updated == 0: - msg = "Problem failed to be {action} for any of {attempted} students for problem '{problem}'!" - elif num_updated == num_attempted: - succeeded = True - msg = "Problem successfully {action} for {attempted} students for problem '{problem}'!" - elif num_updated < num_attempted: - msg = "Problem {action} for {updated} of {attempted} students for problem '{problem}'!" + # Done with looping through all modules, so just return final statistics: + # TODO: these messages should be rendered at the view level -- move them there! +# if student is not None: +# if num_attempted == 0: +# msg = "Unable to find submission to be {action} for student '{student}' and problem '{problem}'." +# elif num_updated == 0: +# msg = "Problem failed to be {action} for student '{student}' and problem '{problem}'!" +# else: +# succeeded = True +# msg = "Problem successfully {action} for student '{student}' and problem '{problem}'" +# elif num_attempted == 0: +# msg = "Unable to find any students with submissions to be {action} for problem '{problem}'." +# elif num_updated == 0: +# msg = "Problem failed to be {action} for any of {attempted} students for problem '{problem}'!" +# elif num_updated == num_attempted: +# succeeded = True +# msg = "Problem successfully {action} for {attempted} students for problem '{problem}'!" +# elif num_updated < num_attempted: +# msg = "Problem {action} for {updated} of {attempted} students for problem '{problem}'!" +# +# # Update status in task result object itself: +# msg = msg.format(action=action_name, updated=num_updated, attempted=num_attempted, student=student, problem=module_state_key) + task_progress = get_task_progress() # succeeded=succeeded, message=msg) + current_task.update_state(state='PROGRESS', meta=task_progress) - msg = msg.format(action=action_name, updated=num_updated, attempted=num_attempted, student=student, problem=module_state_key) - # update status in task result object itself: - current_task.update_state(state='DONE', - meta={'attempted': num_attempted, 'updated': num_updated, 'total': num_total, - 'succeeded': succeeded, 'message': msg}) + # Update final progress in course task table as well: + # The actual task result state is updated by celery when this task completes, and thus + # clobbers any custom metadata. So if we want any such status to persist, we have to + # write it to the CourseTaskLog instead. + task_log.info("Finished processing task, updating CourseTaskLog entry") - # and update status in course task table as well: - # TODO: figure out how this is legal. The actual task result - # status is updated by celery when this task completes, and is - # presumably going to clobber this custom metadata. So if we want - # any such status to persist, we have to write it to the CourseTaskLog instead. -# course_task_log_entry = CourseTaskLog.objects.get(task_id=current_task.id) -# course_task_log_entry.task_status = ... + course_task_log_entry = CourseTaskLog.objects.get(task_id=current_task.request.id) + course_task_log_entry.task_progress = json.dumps(task_progress) + course_task_log_entry.save() - # return (succeeded, msg) return succeeded @@ -193,7 +208,7 @@ def _regrade_problem_module_state(request, module_to_regrade, module_descriptor) # and load something they shouldn't have access to. msg = "No module {loc} for student {student}--access denied?".format(loc=module_state_key, student=student) - log.debug(msg) + task_log.debug(msg) raise UpdateProblemModuleStateError(msg) if not hasattr(instance, 'regrade_problem'): @@ -205,11 +220,11 @@ def _regrade_problem_module_state(request, module_to_regrade, module_descriptor) result = instance.regrade_problem() if 'success' not in result: # don't consider these fatal, but false means that the individual call didn't complete: - log.debug("error processing regrade call for problem {loc} and student {student}: " + task_log.debug("error processing regrade call for problem {loc} and student {student}: " "unexpected response {msg}".format(msg=result, loc=module_state_key, student=student)) return False elif result['success'] != 'correct' and result['success'] != 'incorrect': - log.debug("error processing regrade call for problem {loc} and student {student}: " + task_log.debug("error processing regrade call for problem {loc} and student {student}: " "{msg}".format(msg=result['success'], loc=module_state_key, student=student)) return False else: @@ -245,7 +260,7 @@ def regrade_problem_for_student(request, course_id, problem_url, student_identif 'task_name': 'regrade', 'task_args': problem_url, 'task_id': task_id, - 'task_status': result.state, + 'task_state': result.state, 'requester': request.user} CourseTaskLog.objects.create(**tasklog_args) @@ -253,9 +268,7 @@ def regrade_problem_for_student(request, course_id, problem_url, student_identif @task -def _regrade_problem_for_all_students(request_environ, course_id, problem_url): -# request = HttpRequest() -# request.META.update(request_environ) +def regrade_problem_for_all_students(request_environ, course_id, problem_url): factory = RequestFactory(**request_environ) request = factory.get('/') action_name = 'regraded' @@ -265,101 +278,6 @@ def _regrade_problem_for_all_students(request_environ, course_id, problem_url): update_fcn, action_name, filter_fcn) -def regrade_problem_for_all_students(request, course_id, problem_url): - # Figure out (for now) how to serialize what we need of the request. The actual - # request will not successfully serialize with json or with pickle. - # Maybe we can just pass all META info as a dict. - request_environ = {'HTTP_USER_AGENT': request.META['HTTP_USER_AGENT'], - 'REMOTE_ADDR': request.META['REMOTE_ADDR'], - 'SERVER_NAME': request.META['SERVER_NAME'], - 'REQUEST_METHOD': 'GET', -# 'HTTP_X_FORWARDED_PROTO': request.META['HTTP_X_FORWARDED_PROTO'], - } - - # Submit task. Then put stuff into table with the resulting task_id. - task_args = [request_environ, course_id, problem_url] - result = _regrade_problem_for_all_students.apply_async(task_args) - task_id = result.id - tasklog_args = {'course_id': course_id, - 'task_name': 'regrade', - 'task_args': problem_url, - 'task_id': task_id, - 'task_status': result.state, - 'requester': request.user} - course_task_log = CourseTaskLog.objects.create(**tasklog_args) - return course_task_log - - -def course_task_log_status(request, task_id=None): - """ - This returns the status of a course-related task as a JSON-serialized dict. - """ - output = {} - if task_id is not None: - output = _get_course_task_log_status(task_id) - elif 'task_id' in request.POST: - task_id = request.POST['task_id'] - output = _get_course_task_log_status(task_id) - elif 'task_ids[]' in request.POST: - tasks = request.POST.getlist('task_ids[]') - for task_id in tasks: - task_output = _get_course_task_log_status(task_id) - output[task_id] = task_output - # TODO else: raise exception? - - return HttpResponse(json.dumps(output, indent=4)) - - -def _get_course_task_log_status(task_id): - course_task_log_entry = CourseTaskLog.objects.get(task_id=task_id) - # TODO: error handling if it doesn't exist... - - def not_in_progress(entry): - # TODO: do better than to copy list from celery.states.READY_STATES - return entry.task_status in ['SUCCESS', 'FAILURE', 'REVOKED'] - - # if the task is already known to be done, then there's no reason to query - # the underlying task: - if not_in_progress(course_task_log_entry): - output = { - 'task_id': course_task_log_entry.task_id, - 'task_status': course_task_log_entry.task_status, - 'in_progress': False - } - return output - - # we need to get information from the task result directly now. - result = AsyncResult(task_id) - - output = { - 'task_id': result.id, - 'task_status': result.state, - 'in_progress': True - } - if result.traceback is not None: - output['task_traceback'] = result.traceback - - if result.state == "PROGRESS": - if hasattr(result, 'result') and 'current' in result.result: - log.info("still waiting... progress at {0} of {1}".format(result.result['current'], - result.result['total'])) - output['current'] = result.result['current'] - output['total'] = result.result['total'] - else: - log.info("still making progress... ") - - if result.successful(): - value = result.result - output['value'] = value - - # update the entry if necessary: - if course_task_log_entry.task_status != result.state: - course_task_log_entry.task_status = result.state - course_task_log_entry.save() - - return output - - def _reset_problem_attempts_module_state(request, module_to_reset, module_descriptor): # modify the problem's state # load the state json and change state @@ -420,3 +338,16 @@ def _delete_problem_state_for_all_students(request, course_id, problem_url): update_fcn = _delete_problem_module_state return _update_problem_module_state_for_all_students(request, course_id, problem_url, update_fcn, action_name) + + +@worker_ready.connect +def initialize_middleware(**kwargs): + # The initialize Django middleware - some middleware components + # are initialized lazily when the first request is served. Since + # the celery workers do not serve request, the components never + # get initialized, causing errors in some dependencies. + # In particular, the Mako template middleware is used by some xmodules + task_log.info("Initializing all middleware from worker_ready.connect hook") + + from django.core.handlers.base import BaseHandler + BaseHandler().load_middleware() diff --git a/lms/djangoapps/instructor/views.py b/lms/djangoapps/instructor/views.py index 67ea0d1ea9..95482f1ee8 100644 --- a/lms/djangoapps/instructor/views.py +++ b/lms/djangoapps/instructor/views.py @@ -10,9 +10,9 @@ import os import re import requests from requests.status_codes import codes -import urllib +#import urllib from collections import OrderedDict -from time import sleep +#from time import sleep from StringIO import StringIO @@ -25,7 +25,8 @@ from mitxmako.shortcuts import render_to_response from django.core.urlresolvers import reverse from courseware import grades -from courseware import tasks +#from courseware import tasks # for now... should remove once things are in queue instead +from courseware import task_queue from courseware.access import (has_access, get_access_group_name, course_beta_test_group_name) from courseware.courses import get_course_with_access @@ -176,12 +177,12 @@ def instructor_dashboard(request, course_id): datatable['title'] = 'List of students enrolled in {0}'.format(course_id) track.views.server_track(request, 'list-students', {}, page='idashboard') - elif 'Test Celery' in action: - args = (10,) - result = tasks.waitawhile.apply_async(args, retry=False) - task_id = result.id - celery_ajax_url = reverse('celery_ajax_status', kwargs={'task_id': task_id}) - msg += '

Celery Status for task ${task}:

Status end.

'.format(task=task_id, url=celery_ajax_url) +# elif 'Test Celery' in action: +# args = (10,) +# result = tasks.waitawhile.apply_async(args, retry=False) +# task_id = result.id +# celery_ajax_url = reverse('celery_ajax_status', kwargs={'task_id': task_id}) +# msg += '

Celery Status for task ${task}:

Status end.

'.format(task=task_id, url=celery_ajax_url) elif 'Dump Grades' in action: log.debug(action) @@ -217,13 +218,13 @@ def instructor_dashboard(request, course_id): elif "Regrade ALL students' problem submissions" in action: problem_url = request.POST.get('problem_to_regrade', '') try: - course_task_log_entry = tasks.regrade_problem_for_all_students(request, course_id, problem_url) + course_task_log_entry = task_queue.submit_regrade_problem_for_all_students(request, course_id, problem_url) + if course_task_log_entry is None: + msg += 'Failed to create a background task for regrading "{0}".'.format(problem_url) except Exception as e: - log.error("Encountered exception from regrade: {0}", e) - # check that a course_task_log entry was created: - if course_task_log_entry is None: - msg += 'Failed to create a background task for regrading "{0}".'.format(problem_url) - + log.error("Encountered exception from regrade: {0}".format(e)) + msg += 'Failed to create a background task for regrading "{0}": {1}.'.format(problem_url, e) + elif "Reset student's attempts" in action or "Delete student state for problem" in action: # get the form data unique_student_identifier = request.POST.get('unique_student_identifier', '') @@ -645,7 +646,7 @@ def instructor_dashboard(request, course_id): msg += "
Grades from %s" % offline_grades_available(course_id) # generate list of pending background tasks - course_tasks = CourseTaskLog.objects.filter(course_id = course_id).exclude(task_status='SUCCESS').exclude(task_status='FAILURE') + course_tasks = task_queue.get_running_course_tasks(course_id) #---------------------------------------- # context for rendering @@ -1205,99 +1206,99 @@ def dump_grading_context(course): return msg -def old1testcelery(request): - """ - A Simple view that checks if the application can talk to the celery workers - """ - args = ('ping',) - result = tasks.echo.apply_async(args, retry=False) - value = result.get(timeout=0.5) - output = { - 'task_id': result.id, - 'value': value - } - return HttpResponse(json.dumps(output, indent=4)) - - -def old2testcelery(request): - """ - A Simple view that checks if the application can talk to the celery workers - """ - args = (10,) - result = tasks.waitawhile.apply_async(args, retry=False) - while not result.ready(): - sleep(0.5) # in seconds - if result.state == "PROGRESS": - if hasattr(result, 'result') and 'current' in result.result: - log.info("still waiting... progress at {0} of {1}".format(result.result['current'], result.result['total'])) - else: - log.info("still making progress... ") - if result.successful(): - value = result.result - output = { - 'task_id': result.id, - 'value': value - } - return HttpResponse(json.dumps(output, indent=4)) - - -def testcelery(request): - """ - A Simple view that checks if the application can talk to the celery workers - """ - args = (10,) - result = tasks.waitawhile.apply_async(args, retry=False) - task_id = result.id - # return the task_id to a template which will set up an ajax call to - # check the progress of the task. - return testcelery_status(request, task_id) -# return mitxmako.shortcuts.render_to_response('celery_ajax.html', { -# 'element_id': 'celery_task' -# 'id': self.task_id, -# 'ajax_url': reverse('testcelery_ajax'), -# }) - - -def testcelery_status(request, task_id): - result = tasks.waitawhile.AsyncResult(task_id) - while not result.ready(): - sleep(0.5) # in seconds - if result.state == "PROGRESS": - if hasattr(result, 'result') and 'current' in result.result: - log.info("still waiting... progress at {0} of {1}".format(result.result['current'], result.result['total'])) - else: - log.info("still making progress... ") - if result.successful(): - value = result.result - output = { - 'task_id': result.id, - 'value': value - } - return HttpResponse(json.dumps(output, indent=4)) - - -def celery_task_status(request, task_id): - # TODO: determine if we need to know the name of the original task, - # or if this could be any task... Sample code seems to indicate that - # we could just include the AsyncResult class directly, i.e.: - # from celery.result import AsyncResult. - result = tasks.waitawhile.AsyncResult(task_id) - - output = { - 'task_id': result.id, - 'state': result.state - } - - if result.state == "PROGRESS": - if hasattr(result, 'result') and 'current' in result.result: - log.info("still waiting... progress at {0} of {1}".format(result.result['current'], result.result['total'])) - output['current'] = result.result['current'] - output['total'] = result.result['total'] - else: - log.info("still making progress... ") - - if result.successful(): - value = result.result - output['value'] = value - - return HttpResponse(json.dumps(output, indent=4)) +#def old1testcelery(request): +# """ +# A Simple view that checks if the application can talk to the celery workers +# """ +# args = ('ping',) +# result = tasks.echo.apply_async(args, retry=False) +# value = result.get(timeout=0.5) +# output = { +# 'task_id': result.id, +# 'value': value +# } +# return HttpResponse(json.dumps(output, indent=4)) +# +# +#def old2testcelery(request): +# """ +# A Simple view that checks if the application can talk to the celery workers +# """ +# args = (10,) +# result = tasks.waitawhile.apply_async(args, retry=False) +# while not result.ready(): +# sleep(0.5) # in seconds +# if result.state == "PROGRESS": +# if hasattr(result, 'result') and 'current' in result.result: +# log.info("still waiting... progress at {0} of {1}".format(result.result['current'], result.result['total'])) +# else: +# log.info("still making progress... ") +# if result.successful(): +# value = result.result +# output = { +# 'task_id': result.id, +# 'value': value +# } +# return HttpResponse(json.dumps(output, indent=4)) +# +# +#def testcelery(request): +# """ +# A Simple view that checks if the application can talk to the celery workers +# """ +# args = (10,) +# result = tasks.waitawhile.apply_async(args, retry=False) +# task_id = result.id +# # return the task_id to a template which will set up an ajax call to +# # check the progress of the task. +# return testcelery_status(request, task_id) +## return mitxmako.shortcuts.render_to_response('celery_ajax.html', { +## 'element_id': 'celery_task' +## 'id': self.task_id, +## 'ajax_url': reverse('testcelery_ajax'), +## }) +# +# +#def testcelery_status(request, task_id): +# result = tasks.waitawhile.AsyncResult(task_id) +# while not result.ready(): +# sleep(0.5) # in seconds +# if result.state == "PROGRESS": +# if hasattr(result, 'result') and 'current' in result.result: +# log.info("still waiting... progress at {0} of {1}".format(result.result['current'], result.result['total'])) +# else: +# log.info("still making progress... ") +# if result.successful(): +# value = result.result +# output = { +# 'task_id': result.id, +# 'value': value +# } +# return HttpResponse(json.dumps(output, indent=4)) +# +# +#def celery_task_status(request, task_id): +# # TODO: determine if we need to know the name of the original task, +# # or if this could be any task... Sample code seems to indicate that +# # we could just include the AsyncResult class directly, i.e.: +# # from celery.result import AsyncResult. +# result = tasks.waitawhile.AsyncResult(task_id) +# +# output = { +# 'task_id': result.id, +# 'state': result.state +# } +# +# if result.state == "PROGRESS": +# if hasattr(result, 'result') and 'current' in result.result: +# log.info("still waiting... progress at {0} of {1}".format(result.result['current'], result.result['total'])) +# output['current'] = result.result['current'] +# output['total'] = result.result['total'] +# else: +# log.info("still making progress... ") +# +# if result.successful(): +# value = result.result +# output['value'] = value +# +# return HttpResponse(json.dumps(output, indent=4)) diff --git a/lms/templates/courseware/instructor_dashboard.html b/lms/templates/courseware/instructor_dashboard.html index 3b5ea7a0e1..acc32841be 100644 --- a/lms/templates/courseware/instructor_dashboard.html +++ b/lms/templates/courseware/instructor_dashboard.html @@ -74,18 +74,14 @@ var task_id = name; var task_dict = response[task_id]; // this should be a dict of properties for this task_id - var in_progress = task_dict.in_progress - if (in_progress === true) { + if (task_dict.in_progress === true) { something_in_progress = true; } // find the corresponding entry, and update it: - selector = '[data-task-id="' + task_id + '"]'; - entry = $(_this.element).find(selector); - var task_status_el = entry.find('.task-status'); - task_status_el.text(task_dict.task_status) - var task_progress_el = entry.find('.task-progress'); - var progress_value = task_dict.task_progress || ''; - task_progress_el.text(progress_value); + entry = $(_this.element).find('[data-task-id="' + task_id + '"]'); + entry.find('.task-state').text(task_dict.task_state) + var progress_value = task_dict.message || ''; + entry.find('.task-progress').text(progress_value); } } if (something_in_progress) { @@ -491,7 +487,7 @@ function goto( mode) ##----------------------------------------------------------------------------- ## Output tasks in progress -%if course_tasks is not None: +%if course_tasks is not None and len(course_tasks) > 0:

Pending Course Tasks

@@ -503,7 +499,7 @@ function goto( mode) - + %for tasknum, course_task in enumerate(course_tasks): @@ -515,7 +511,7 @@ function goto( mode) - + %endfor From 95c1c4b8a8a67d0f1033a49f8b2c73d0675e2988 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Thu, 9 May 2013 03:07:05 -0400 Subject: [PATCH 12/51] Refactor tracking and xqueue initialization to no longer require a request. Get tracking logs to work. Add transaction annotations. Make sure to read only once from result objects when getting result status, so that values are consistent. --- common/djangoapps/track/views.py | 42 +++- lms/djangoapps/courseware/module_render.py | 84 +++++-- lms/djangoapps/courseware/task_queue.py | 225 +++++++++++++----- lms/djangoapps/courseware/tasks.py | 264 +++++++++------------ lms/djangoapps/instructor/views.py | 5 +- lms/envs/test.py | 5 + 6 files changed, 376 insertions(+), 249 deletions(-) diff --git a/common/djangoapps/track/views.py b/common/djangoapps/track/views.py index b2935a6a89..f56a8db5eb 100644 --- a/common/djangoapps/track/views.py +++ b/common/djangoapps/track/views.py @@ -1,13 +1,11 @@ import json import logging -import os import pytz import datetime import dateutil.parser from django.contrib.auth.decorators import login_required from django.http import HttpResponse -from django.http import Http404 from django.shortcuts import redirect from django.conf import settings from mitxmako.shortcuts import render_to_response @@ -95,6 +93,46 @@ def server_track(request, event_type, event, page=None): log_event(event) +def task_track(request_info, task_info, event_type, event, page=None): + """ + Outputs tracking information for events occuring within celery tasks. + + The `event_type` is a string naming the particular event being logged, + while `event` is a dict containing whatever additional contextual information + is desired. + + The `request_info` is a dict containing information about the original + task request. Relevant keys are `username`, `ip`, `agent`, and `host`. + + In addition, a `task_info` dict provides more information to be stored with + the `event` dict. + + The `page` parameter is optional, and allows the name of the page to + be provided. + """ + + # supplement event information with additional information + # about the task in which it is running. + full_event = dict(event, **task_info) + + # All fields must be specified, in case the tracking information is + # also saved to the TrackingLog model. Get values from the task-level + # information, or just add placeholder values. + event = { + "username": request_info.get('username', 'unknown'), + "ip": request_info.get('ip', 'unknown'), + "event_source": "task", + "event_type": event_type, + "event": full_event, + "agent": request_info.get('agent', 'unknown'), + "page": page, + "time": datetime.datetime.utcnow().isoformat(), + "host": request_info.get('host', 'unknown') + } + + log_event(event) + + @login_required @ensure_csrf_cookie def view_tracking_log(request, args=''): diff --git a/lms/djangoapps/courseware/module_render.py b/lms/djangoapps/courseware/module_render.py index 2ae7bcdc1f..eee085d7e7 100644 --- a/lms/djangoapps/courseware/module_render.py +++ b/lms/djangoapps/courseware/module_render.py @@ -121,7 +121,7 @@ def toc_for_course(user, request, course, active_chapter, active_section, model_ def get_module(user, request, location, model_data_cache, course_id, - position=None, not_found_ok = False, wrap_xmodule_display=True, + position=None, not_found_ok=False, wrap_xmodule_display=True, grade_bucket_type=None, depth=0): """ Get an instance of the xmodule class identified by location, @@ -161,10 +161,45 @@ def get_module(user, request, location, model_data_cache, course_id, return None +def get_xqueue_callback_url_prefix(request): + """ + Calculates default prefix based on request, but allows override via settings + + This is separated so that it can be called by the LMS before submitting + background tasks to run. The xqueue callbacks should go back to the LMS, + not to the worker. + """ + default_xqueue_callback_url_prefix = '{proto}://{host}'.format( + proto=request.META.get('HTTP_X_FORWARDED_PROTO', 'https' if request.is_secure() else 'http'), + host=request.get_host() + ) + return settings.XQUEUE_INTERFACE.get('callback_url', default_xqueue_callback_url_prefix) + + def get_module_for_descriptor(user, request, descriptor, model_data_cache, course_id, position=None, wrap_xmodule_display=True, grade_bucket_type=None): """ - Actually implement get_module. See docstring there for details. + Implements get_module, extracting out the request-specific functionality. + + See get_module() docstring for further details. + """ + track_function = make_track_function(request) + xqueue_callback_url_prefix = get_xqueue_callback_url_prefix(request) + + return get_module_for_descriptor_internal(user, descriptor, model_data_cache, course_id, + track_function, xqueue_callback_url_prefix, + position=position, + wrap_xmodule_display=wrap_xmodule_display, + grade_bucket_type=grade_bucket_type) + + +def get_module_for_descriptor_internal(user, descriptor, model_data_cache, course_id, + track_function, xqueue_callback_url_prefix, + position=None, wrap_xmodule_display=True, grade_bucket_type=None): + """ + Actually implement get_module, without requiring a request. + + See get_module() docstring for further details. """ # allow course staff to masquerade as student @@ -186,19 +221,13 @@ def get_module_for_descriptor(user, request, descriptor, model_data_cache, cours def make_xqueue_callback(dispatch='score_update'): # Fully qualified callback URL for external queueing system - xqueue_callback_url = '{proto}://{host}'.format( - host=request.get_host(), - proto=request.META.get('HTTP_X_FORWARDED_PROTO', 'https' if request.is_secure() else 'http') - ) - xqueue_callback_url = settings.XQUEUE_INTERFACE.get('callback_url',xqueue_callback_url) # allow override - - xqueue_callback_url += reverse('xqueue_callback', - kwargs=dict(course_id=course_id, - userid=str(user.id), - id=descriptor.location.url(), - dispatch=dispatch), - ) - return xqueue_callback_url + relative_xqueue_callback_url = reverse('xqueue_callback', + kwargs=dict(course_id=course_id, + userid=str(user.id), + id=descriptor.location.url(), + dispatch=dispatch), + ) + return xqueue_callback_url_prefix + relative_xqueue_callback_url # Default queuename is course-specific and is derived from the course that # contains the current module. @@ -211,20 +240,20 @@ def get_module_for_descriptor(user, request, descriptor, model_data_cache, cours 'waittime': settings.XQUEUE_WAITTIME_BETWEEN_REQUESTS } - #This is a hacky way to pass settings to the combined open ended xmodule - #It needs an S3 interface to upload images to S3 - #It needs the open ended grading interface in order to get peer grading to be done - #this first checks to see if the descriptor is the correct one, and only sends settings if it is + # This is a hacky way to pass settings to the combined open ended xmodule + # It needs an S3 interface to upload images to S3 + # It needs the open ended grading interface in order to get peer grading to be done + # this first checks to see if the descriptor is the correct one, and only sends settings if it is - #Get descriptor metadata fields indicating needs for various settings + # Get descriptor metadata fields indicating needs for various settings needs_open_ended_interface = getattr(descriptor, "needs_open_ended_interface", False) needs_s3_interface = getattr(descriptor, "needs_s3_interface", False) - #Initialize interfaces to None + # Initialize interfaces to None open_ended_grading_interface = None s3_interface = None - #Create interfaces if needed + # Create interfaces if needed if needs_open_ended_interface: open_ended_grading_interface = settings.OPEN_ENDED_GRADING_INTERFACE open_ended_grading_interface['mock_peer_grading'] = settings.MOCK_PEER_GRADING @@ -240,8 +269,13 @@ def get_module_for_descriptor(user, request, descriptor, model_data_cache, cours """ Delegate to get_module. It does an access check, so may return None """ - return get_module_for_descriptor(user, request, descriptor, - model_data_cache, course_id, position) + # TODO: fix this so that make_xqueue_callback uses the descriptor passed into + # inner_get_module, not the parent's callback. Add it as an argument.... + return get_module_for_descriptor_internal(user, descriptor, model_data_cache, course_id, + track_function, make_xqueue_callback, + position=position, + wrap_xmodule_display=wrap_xmodule_display, + grade_bucket_type=grade_bucket_type) def xblock_model_data(descriptor): return DbModel( @@ -291,7 +325,7 @@ def get_module_for_descriptor(user, request, descriptor, model_data_cache, cours # TODO (cpennington): When modules are shared between courses, the static # prefix is going to have to be specific to the module, not the directory # that the xml was loaded from - system = ModuleSystem(track_function=make_track_function(request), + system = ModuleSystem(track_function=track_function, render_template=render_to_string, ajax_url=ajax_url, xqueue=xqueue, diff --git a/lms/djangoapps/courseware/task_queue.py b/lms/djangoapps/courseware/task_queue.py index d439050039..946ba99d5e 100644 --- a/lms/djangoapps/courseware/task_queue.py +++ b/lms/djangoapps/courseware/task_queue.py @@ -1,28 +1,30 @@ import json import logging from django.http import HttpResponse +from django.db import transaction from celery.result import AsyncResult from celery.states import READY_STATES from courseware.models import CourseTaskLog +from courseware.module_render import get_xqueue_callback_url_prefix from courseware.tasks import regrade_problem_for_all_students from xmodule.modulestore.django import modulestore -# define different loggers for use within tasks and on client side log = logging.getLogger(__name__) def get_running_course_tasks(course_id): + """Returns a query of CourseTaskLog objects of running tasks for a given course.""" course_tasks = CourseTaskLog.objects.filter(course_id=course_id) - # exclude(task_state='SUCCESS').exclude(task_state='FAILURE').exclude(task_state='REVOKED') for state in READY_STATES: course_tasks = course_tasks.exclude(task_state=state) return course_tasks def _task_is_running(course_id, task_name, task_args, student=None): + """Checks if a particular task is already running""" runningTasks = CourseTaskLog.objects.filter(course_id=course_id, task_name=task_name, task_args=task_args) if student is not None: runningTasks = runningTasks.filter(student=student) @@ -31,56 +33,83 @@ def _task_is_running(course_id, task_name, task_args, student=None): return len(runningTasks) > 0 -def submit_regrade_problem_for_all_students(request, course_id, problem_url): - # check arguments: in particular, make sure that problem_url is defined - # (since that's currently typed in). If the corresponding module descriptor doesn't exist, - # an exception should be raised. Let it continue to the caller. - modulestore().get_instance(course_id, problem_url) +@transaction.autocommit +def _reserve_task(course_id, task_name, task_args, requester, student=None): + """ + Creates a database entry to indicate that a task is in progress. - # TODO: adjust transactions so that one request will not be about to create an - # entry while a second is testing to see if the entry exists. (Need to handle - # quick accidental double-clicks when submitting.) + An exception is thrown if the task is already in progress. - # check to see if task is already running - task_name = 'regrade' - if _task_is_running(course_id, task_name, problem_url): - # TODO: figure out how to return info that it's already running - raise Exception("task is already running") + Autocommit annotation makes sure the database entry is committed. + """ + + if _task_is_running(course_id, task_name, task_args, student): + raise Exception("requested task is already running") # Create log entry now, so that future requests won't tasklog_args = {'course_id': course_id, 'task_name': task_name, - 'task_args': problem_url, + 'task_args': task_args, 'task_state': 'QUEUING', - 'requester': request.user} + 'requester': requester} + if student is not None: + tasklog_args['student'] = student + course_task_log = CourseTaskLog.objects.create(**tasklog_args) - - - # At a low level of processing, the task currently fetches some information from the web request. - # This is used for setting up X-Queue, as well as for tracking. - # An actual request will not successfully serialize with json or with pickle. - # TODO: we can just pass all META info as a dict. - request_environ = {'HTTP_USER_AGENT': request.META['HTTP_USER_AGENT'], - 'REMOTE_ADDR': request.META['REMOTE_ADDR'], - 'SERVER_NAME': request.META['SERVER_NAME'], - 'REQUEST_METHOD': 'GET', -# 'HTTP_X_FORWARDED_PROTO': request.META['HTTP_X_FORWARDED_PROTO'], - } - - # Submit task: - task_args = [request_environ, course_id, problem_url] - result = regrade_problem_for_all_students.apply_async(task_args) - - # Put info into table with the resulting task_id. - course_task_log.task_state = result.state - course_task_log.task_id = result.id - course_task_log.save() return course_task_log +@transaction.autocommit +def _update_task(course_task_log, task_result): + """ + Updates a database entry with information about the submitted task. + + Autocommit annotation makes sure the database entry is committed. + """ + course_task_log.task_state = task_result.state + course_task_log.task_id = task_result.id + course_task_log.save() + + +def _get_xmodule_instance_args(request): + """ + Calculate parameters needed for instantiating xmodule instances. + + The `request_info` will be passed to a tracking log function, to provide information + about the source of the task request. The `xqueue_callback_urul_prefix` is used to + permit old-style xqueue callbacks directly to the appropriate module in the LMS. + """ + request_info = {'username': request.user.username, + 'ip': request.META['REMOTE_ADDR'], + 'agent': request.META.get('HTTP_USER_AGENT', ''), + 'host': request.META['SERVER_NAME'], + } + + xmodule_instance_args = {'xqueue_callback_url_prefix': get_xqueue_callback_url_prefix(request), + 'request_info': request_info, + } + return xmodule_instance_args + + def course_task_log_status(request, task_id=None): """ This returns the status of a course-related task as a JSON-serialized dict. + + The task_id can be specified in one of three ways: + + * explicitly as an argument to the method (by specifying in the url) + Returns a dict containing status information for the specified task_id + + * by making a post request containing 'task_id' as a parameter with a single value + Returns a dict containing status information for the specified task_id + + * by making a post request containing 'task_ids' as a parameter, + with a list of task_id values. + Returns a dict of dicts, with the task_id as key, and the corresponding + dict containing status information for the specified task_id + + Task_id values that are unrecognized are skipped. + """ output = {} if task_id is not None: @@ -108,7 +137,17 @@ def _get_course_task_log_status(task_id): 'task_id' 'task_state' 'in_progress': boolean indicating if the task is still running. + 'message': status message reporting on progress, or providing exception message if failed. + 'task_progress': dict containing progress information. This includes: + 'attempted': number of attempts made + 'updated': number of attempts that "succeeded" + 'total': number of possible subtasks to attempt + 'action_name': user-visible verb to use in status messages. Should be past-tense. 'task_traceback': optional, returned if task failed and produced a traceback. + 'succeeded': on complete tasks, indicates if the task outcome was successful: + did it achieve what it set out to do. + This is in contrast with a successful task_state, which indicates that the + task merely completed. If task doesn't exist, returns None. """ @@ -119,45 +158,73 @@ def _get_course_task_log_status(task_id): # TODO: log a message here return None + # define ajax return value: output = {} # if the task is already known to be done, then there's no reason to query - # the underlying task: + # the underlying task's result object: if course_task_log_entry.task_state not in READY_STATES: # we need to get information from the task result directly now. - # Just create the result object. + + # Just create the result object, and pull values out once. + # (If we check them later, the state and result may have changed.) result = AsyncResult(task_id) + result_state = result.state + returned_result = result.result + result_traceback = result.traceback - if result.traceback is not None: - output['task_traceback'] = result.traceback + # Assume we don't always update the CourseTaskLog entry if we don't have to: + entry_needs_saving = False - if result.state == "PROGRESS": - # construct a status message directly from the task result's metadata: - if hasattr(result, 'result') and 'current' in result.result: + if result_state == 'PROGRESS': + # construct a status message directly from the task result's result: + if hasattr(result, 'result') and 'attempted' in returned_result: fmt = "Attempted {attempted} of {total}, {action_name} {updated}" - message = fmt.format(attempted=result.result['attempted'], - updated=result.result['updated'], - total=result.result['total'], - action_name=result.result['action_name']) + message = fmt.format(attempted=returned_result['attempted'], + updated=returned_result['updated'], + total=returned_result['total'], + action_name=returned_result['action_name']) output['message'] = message - log.info("progress: {0}".format(message)) - for name in ['attempted', 'updated', 'total', 'action_name']: - output[name] = result.result[name] + log.info("task progress: {0}".format(message)) else: log.info("still making progress... ") + output['task_progress'] = returned_result - # update the entry if the state has changed: - if result.state != course_task_log_entry.task_state: - course_task_log_entry.task_state = result.state + elif result_state == 'SUCCESS': + # on success, save out the result here, but the message + # will be calculated later + output['task_progress'] = returned_result + course_task_log_entry.task_progress = json.dumps(returned_result) + log.info("task succeeded: {0}".format(returned_result)) + entry_needs_saving = True + + elif result_state == 'FAILURE': + # on failure, the result's result contains the exception that caused the failure + exception = str(returned_result) + course_task_log_entry.task_progress = exception + entry_needs_saving = True + output['message'] = exception + log.info("task failed: {0}".format(returned_result)) + if result_traceback is not None: + output['task_traceback'] = result_traceback + + # always update the entry if the state has changed: + if result_state != course_task_log_entry.task_state: + course_task_log_entry.task_state = result_state + entry_needs_saving = True + + if entry_needs_saving: course_task_log_entry.save() + else: + # task is already known to have finished, but report on its status: + if course_task_log_entry.task_progress is not None: + output['task_progress'] = json.loads(course_task_log_entry.task_progress) + # output basic information matching what's stored in CourseTaskLog: output['task_id'] = course_task_log_entry.task_id output['task_state'] = course_task_log_entry.task_state output['in_progress'] = course_task_log_entry.task_state not in READY_STATES - if course_task_log_entry.task_progress is not None: - output['task_progress'] = course_task_log_entry.task_progress - if course_task_log_entry.task_state == 'SUCCESS': succeeded, message = _get_task_completion_message(course_task_log_entry) output['message'] = message @@ -187,21 +254,53 @@ def _get_task_completion_message(course_task_log_entry): if num_attempted == 0: msg = "Unable to find submission to be {action} for student '{student}' and problem '{problem}'." elif num_updated == 0: - msg = "Problem failed to be {action} for student '{student}' and problem '{problem}'!" + msg = "Problem failed to be {action} for student '{student}' and problem '{problem}'" else: succeeded = True msg = "Problem successfully {action} for student '{student}' and problem '{problem}'" elif num_attempted == 0: msg = "Unable to find any students with submissions to be {action} for problem '{problem}'." elif num_updated == 0: - msg = "Problem failed to be {action} for any of {attempted} students for problem '{problem}'!" + msg = "Problem failed to be {action} for any of {attempted} students for problem '{problem}'" elif num_updated == num_attempted: succeeded = True - msg = "Problem successfully {action} for {attempted} students for problem '{problem}'!" + msg = "Problem successfully {action} for {attempted} students for problem '{problem}'" elif num_updated < num_attempted: - msg = "Problem {action} for {updated} of {attempted} students for problem '{problem}'!" + msg = "Problem {action} for {updated} of {attempted} students for problem '{problem}'" # Update status in task result object itself: - message = msg.format(action=action_name, updated=num_updated, attempted=num_attempted, + message = msg.format(action=action_name, updated=num_updated, attempted=num_attempted, student=course_task_log_entry.student, problem=course_task_log_entry.task_args) return (succeeded, message) + + +def submit_regrade_problem_for_all_students(request, course_id, problem_url): + """ + Request a problem to be regraded as a background task. + + The problem will be regraded for all students who have accessed the + particular problem in a course. Parameters are the `course_id` and + the `problem_url`. The url must specify the location of the problem, + using i4x-type notation. + + An exception is thrown if the problem doesn't exist, or if the particular + problem is already being regraded. + """ + # check arguments: make sure that the problem_url is defined + # (since that's currently typed in). If the corresponding module descriptor doesn't exist, + # an exception will be raised. Let it pass up to the caller. + modulestore().get_instance(course_id, problem_url) + + task_name = 'regrade_problem' + + # check to see if task is already running, and reserve it otherwise + course_task_log = _reserve_task(course_id, task_name, problem_url, request.user) + + # Submit task: + task_args = [course_id, problem_url, _get_xmodule_instance_args(request)] + task_result = regrade_problem_for_all_students.apply_async(task_args) + + # Update info in table with the resulting task_id (and state). + _update_task(course_task_log, task_result) + + return course_task_log diff --git a/lms/djangoapps/courseware/tasks.py b/lms/djangoapps/courseware/tasks.py index f29ffb58ce..5b05eb725d 100644 --- a/lms/djangoapps/courseware/tasks.py +++ b/lms/djangoapps/courseware/tasks.py @@ -1,28 +1,28 @@ import json -#import logging from time import sleep + from django.contrib.auth.models import User -from django.test.client import RequestFactory +from django.db import transaction from celery import task, current_task -from celery.signals import worker_ready +# from celery.signals import worker_ready from celery.utils.log import get_task_logger import mitxmako.middleware as middleware from courseware.models import StudentModule, CourseTaskLog from courseware.model_data import ModelDataCache -from courseware.module_render import get_module +# from courseware.module_render import get_module +from courseware.module_render import get_module_for_descriptor_internal from xmodule.modulestore.django import modulestore -#from xmodule.modulestore.exceptions import ItemNotFoundError, InvalidLocationError -import track.views + +from track.views import task_track # define different loggers for use within tasks and on client side task_log = get_task_logger(__name__) -# log = logging.getLogger(__name__) @task @@ -40,38 +40,17 @@ def waitawhile(value): class UpdateProblemModuleStateError(Exception): pass -#def get_module_descriptor(course_id, module_state_key): -# """Return module descriptor for requested module, or None if not found.""" -# try: -# module_descriptor = modulestore().get_instance(course_id, module_state_key) -# except ItemNotFoundError: -# pass -# except InvalidLocationError: -# pass -# return module_descriptor -# except ItemNotFoundError: -# msg = "Couldn't find problem with that urlname." -# except InvalidLocationError: -# msg = "Couldn't find problem with that urlname." -# if module_descriptor is None: -# msg = "Couldn't find problem with that urlname." -# if not succeeded: -# current_task.update_state( -# meta={'attempted': num_attempted, 'updated': num_updated, 'total': num_total}) -# The task should still succeed, but should have metadata indicating -# that the result of the successful task was a failure. (It's not -# the queue that failed, but the task put on the queue.) +def _update_problem_module_state(course_id, module_state_key, student, update_fcn, action_name, filter_fcn, + xmodule_instance_args): + """ + Performs generic update by visiting StudentModule instances with the update_fcn provided. -def _update_problem_module_state(request, course_id, module_state_key, student, update_fcn, action_name, filter_fcn): - ''' - Performs generic update by visiting StudentModule instances with the update_fcn provided - - If student is None, performs update on modules for all students on the specified problem - ''' + If student is None, performs update on modules for all students on the specified problem. + """ # add hack so that mako templates will work on celery worker server: - # The initialization of Make templating is usually done when Django is - # initialize middleware packages as part of processing a server request. + # The initialization of Make templating is usually done when Django is + # initializing middleware packages as part of processing a server request. # When this is run on a celery worker server, no such initialization is # called. So we look for the result: the defining of the lookup paths # for templates. @@ -83,7 +62,6 @@ def _update_problem_module_state(request, course_id, module_state_key, student, module_descriptor = modulestore().get_instance(course_id, module_state_key) # find the module in question - succeeded = False modules_to_update = StudentModule.objects.filter(course_id=course_id, module_state_key=module_state_key) @@ -114,7 +92,7 @@ def _update_problem_module_state(request, course_id, module_state_key, student, num_attempted += 1 # There is no try here: if there's an error, we let it throw, and the task will # be marked as FAILED, with a stack trace. - if update_fcn(request, module_to_update, module_descriptor): + if update_fcn(module_descriptor, module_to_update, xmodule_instance_args): # If the update_fcn returns true, then it performed some kind of work. num_updated += 1 @@ -123,48 +101,19 @@ def _update_problem_module_state(request, course_id, module_state_key, student, # -- it may not make sense to do so every time through the loop # -- may depend on each iteration's duration current_task.update_state(state='PROGRESS', meta=get_task_progress()) + + # TODO: remove this once done with manual testing sleep(5) # in seconds - # Done with looping through all modules, so just return final statistics: - # TODO: these messages should be rendered at the view level -- move them there! -# if student is not None: -# if num_attempted == 0: -# msg = "Unable to find submission to be {action} for student '{student}' and problem '{problem}'." -# elif num_updated == 0: -# msg = "Problem failed to be {action} for student '{student}' and problem '{problem}'!" -# else: -# succeeded = True -# msg = "Problem successfully {action} for student '{student}' and problem '{problem}'" -# elif num_attempted == 0: -# msg = "Unable to find any students with submissions to be {action} for problem '{problem}'." -# elif num_updated == 0: -# msg = "Problem failed to be {action} for any of {attempted} students for problem '{problem}'!" -# elif num_updated == num_attempted: -# succeeded = True -# msg = "Problem successfully {action} for {attempted} students for problem '{problem}'!" -# elif num_updated < num_attempted: -# msg = "Problem {action} for {updated} of {attempted} students for problem '{problem}'!" -# -# # Update status in task result object itself: -# msg = msg.format(action=action_name, updated=num_updated, attempted=num_attempted, student=student, problem=module_state_key) - task_progress = get_task_progress() # succeeded=succeeded, message=msg) + task_progress = get_task_progress() current_task.update_state(state='PROGRESS', meta=task_progress) - # Update final progress in course task table as well: - # The actual task result state is updated by celery when this task completes, and thus - # clobbers any custom metadata. So if we want any such status to persist, we have to - # write it to the CourseTaskLog instead. - task_log.info("Finished processing task, updating CourseTaskLog entry") - - course_task_log_entry = CourseTaskLog.objects.get(task_id=current_task.request.id) - course_task_log_entry.task_progress = json.dumps(task_progress) - course_task_log_entry.save() - - return succeeded + task_log.info("Finished processing task") + return task_progress -def _update_problem_module_state_for_student(request, course_id, problem_url, student_identifier, - update_fcn, action_name, filter_fcn=None): +def _update_problem_module_state_for_student(course_id, problem_url, student_identifier, + update_fcn, action_name, filter_fcn=None, xmodule_instance_args=None): msg = '' success = False # try to uniquely id student by email address or username @@ -173,18 +122,49 @@ def _update_problem_module_state_for_student(request, course_id, problem_url, st student_to_update = User.objects.get(email=student_identifier) elif student_identifier is not None: student_to_update = User.objects.get(username=student_identifier) - return _update_problem_module_state(request, course_id, problem_url, student_to_update, update_fcn, action_name, filter_fcn) + return _update_problem_module_state(course_id, problem_url, student_to_update, update_fcn, + action_name, filter_fcn, xmodule_instance_args) except User.DoesNotExist: msg = "Couldn't find student with that email or username." return (success, msg) -def _update_problem_module_state_for_all_students(request, course_id, problem_url, update_fcn, action_name, filter_fcn=None): - return _update_problem_module_state(request, course_id, problem_url, None, update_fcn, action_name, filter_fcn) +def _update_problem_module_state_for_all_students(course_id, problem_url, update_fcn, action_name, filter_fcn=None, xmodule_instance_args=None): + return _update_problem_module_state(course_id, problem_url, None, update_fcn, action_name, filter_fcn, xmodule_instance_args) -def _regrade_problem_module_state(request, module_to_regrade, module_descriptor): +def _get_module_instance_for_task(course_id, student, module_descriptor, module_state_key, xmodule_instance_args=None, + grade_bucket_type=None): + # reconstitute the problem's corresponding XModule: + model_data_cache = ModelDataCache.cache_for_descriptor_descendents(course_id, student, module_descriptor) + # Note that the request is passed to get_module() to provide xqueue-related URL information +# instance = get_module(student, request, module_state_key, model_data_cache, +# course_id, grade_bucket_type='regrade') + + request_info = xmodule_instance_args.get('request_info', {}) if xmodule_instance_args is not None else {} + task_info = {} + + def make_track_function(): + ''' + Make a tracking function that logs what happened. + For insertion into ModuleSystem, and use by CapaModule. + ''' + def f(event_type, event): + return task_track(request_info, task_info, event_type, event, page='x_module_task') + return f + + xqueue_callback_url_prefix = '' + if xmodule_instance_args is not None: + xqueue_callback_url_prefix = xmodule_instance_args.get('xqueue_callback_url_prefix') + + return get_module_for_descriptor_internal(student, module_descriptor, model_data_cache, course_id, + make_track_function(), xqueue_callback_url_prefix, + grade_bucket_type=grade_bucket_type) + + +@transaction.autocommit +def _regrade_problem_module_state(module_descriptor, student_module, xmodule_instance_args=None): ''' Takes an XModule descriptor and a corresponding StudentModule object, and performs regrading on the student's problem submission. @@ -192,16 +172,11 @@ def _regrade_problem_module_state(request, module_to_regrade, module_descriptor) Throws exceptions if the regrading is fatal and should be aborted if in a loop. ''' # unpack the StudentModule: - course_id = module_to_regrade.course_id - student = module_to_regrade.student - module_state_key = module_to_regrade.module_state_key + course_id = student_module.course_id + student = student_module.student + module_state_key = student_module.module_state_key - # reconstitute the problem's corresponding XModule: - model_data_cache = ModelDataCache.cache_for_descriptor_descendents(course_id, student, - module_descriptor) - # Note that the request is passed to get_module() to provide xqueue-related URL information - instance = get_module(student, request, module_state_key, model_data_cache, - course_id, grade_bucket_type='regrade') + instance = _get_module_instance_for_task(course_id, student, module_descriptor, module_state_key, xmodule_instance_args, grade_bucket_type='regrade') if instance is None: # Either permissions just changed, or someone is trying to be clever @@ -220,21 +195,16 @@ def _regrade_problem_module_state(request, module_to_regrade, module_descriptor) result = instance.regrade_problem() if 'success' not in result: # don't consider these fatal, but false means that the individual call didn't complete: - task_log.debug("error processing regrade call for problem {loc} and student {student}: " + task_log.warning("error processing regrade call for problem {loc} and student {student}: " "unexpected response {msg}".format(msg=result, loc=module_state_key, student=student)) return False elif result['success'] != 'correct' and result['success'] != 'incorrect': - task_log.debug("error processing regrade call for problem {loc} and student {student}: " + task_log.warning("error processing regrade call for problem {loc} and student {student}: " "{msg}".format(msg=result['success'], loc=module_state_key, student=student)) return False else: - track.views.server_track(request, - 'regrade problem {problem} for student {student} ' - 'in {course}'.format(student=student.id, - problem=module_to_regrade.module_state_key, - course=course_id), - {}, - page='idashboard') + task_log.debug("successfully processed regrade call for problem {loc} and student {student}: " + "{msg}".format(msg=result['success'], loc=module_state_key, student=student)) return True @@ -243,111 +213,89 @@ def filter_problem_module_state_for_done(modules_to_update): @task -def _regrade_problem_for_student(request, course_id, problem_url, student_identifier): +def regrade_problem_for_student(course_id, problem_url, student_identifier, xmodule_instance_args): action_name = 'regraded' update_fcn = _regrade_problem_module_state filter_fcn = filter_problem_module_state_for_done - return _update_problem_module_state_for_student(request, course_id, problem_url, student_identifier, - update_fcn, action_name, filter_fcn) - - -def regrade_problem_for_student(request, course_id, problem_url, student_identifier): - # First submit task. Then put stuff into table with the resulting task_id. - result = _regrade_problem_for_student.apply_async(request, course_id, problem_url, student_identifier) - task_id = result.id - # TODO: for log, would want student_identifier to already be mapped to the student - tasklog_args = {'course_id': course_id, - 'task_name': 'regrade', - 'task_args': problem_url, - 'task_id': task_id, - 'task_state': result.state, - 'requester': request.user} - - CourseTaskLog.objects.create(**tasklog_args) - return result + return _update_problem_module_state_for_student(course_id, problem_url, student_identifier, + update_fcn, action_name, filter_fcn, xmodule_instance_args) @task -def regrade_problem_for_all_students(request_environ, course_id, problem_url): - factory = RequestFactory(**request_environ) - request = factory.get('/') +def regrade_problem_for_all_students(course_id, problem_url, xmodule_instance_args): +# factory = RequestFactory(**request_environ) +# request = factory.get('/') action_name = 'regraded' update_fcn = _regrade_problem_module_state filter_fcn = filter_problem_module_state_for_done - return _update_problem_module_state_for_all_students(request, course_id, problem_url, - update_fcn, action_name, filter_fcn) + return _update_problem_module_state_for_all_students(course_id, problem_url, update_fcn, action_name, filter_fcn, + xmodule_instance_args) -def _reset_problem_attempts_module_state(request, module_to_reset, module_descriptor): +@transaction.autocommit +def _reset_problem_attempts_module_state(module_descriptor, student_module, xmodule_instance_args=None): # modify the problem's state # load the state json and change state - problem_state = json.loads(module_to_reset.state) + problem_state = json.loads(student_module.state) if 'attempts' in problem_state: old_number_of_attempts = problem_state["attempts"] if old_number_of_attempts > 0: problem_state["attempts"] = 0 # convert back to json and save - module_to_reset.state = json.dumps(problem_state) - module_to_reset.save() - # write out tracking info - track.views.server_track(request, - '{instructor} reset attempts from {old_attempts} to 0 for {student} ' - 'on problem {problem} in {course}'.format(old_attempts=old_number_of_attempts, - student=module_to_reset.student, - problem=module_to_reset.module_state_key, - instructor=request.user, - course=module_to_reset.course_id), - {}, - page='idashboard') + student_module.state = json.dumps(problem_state) + student_module.save() # consider the reset to be successful, even if no update was performed. (It's just "optimized".) return True -def _reset_problem_attempts_for_student(request, course_id, problem_url, student_identifier): +@task +def reset_problem_attempts_for_student(course_id, problem_url, student_identifier): action_name = 'reset' update_fcn = _reset_problem_attempts_module_state - return _update_problem_module_state_for_student(request, course_id, problem_url, student_identifier, + return _update_problem_module_state_for_student(course_id, problem_url, student_identifier, update_fcn, action_name) -def _reset_problem_attempts_for_all_students(request, course_id, problem_url): +@task +def reset_problem_attempts_for_all_students(course_id, problem_url): action_name = 'reset' update_fcn = _reset_problem_attempts_module_state - return _update_problem_module_state_for_all_students(request, course_id, problem_url, + return _update_problem_module_state_for_all_students(course_id, problem_url, update_fcn, action_name) -def _delete_problem_module_state(request, module_to_delete, module_descriptor): - ''' - delete the state - ''' - module_to_delete.delete() +@transaction.autocommit +def _delete_problem_module_state(module_descriptor, student_module, xmodule_instance_args=None): + """Delete the StudentModule entry.""" + student_module.delete() return True -def _delete_problem_state_for_student(request, course_id, problem_url, student_ident): +@task +def delete_problem_state_for_student(course_id, problem_url, student_ident): action_name = 'deleted' update_fcn = _delete_problem_module_state - return _update_problem_module_state_for_student(request, course_id, problem_url, + return _update_problem_module_state_for_student(course_id, problem_url, student_ident, update_fcn, action_name) -def _delete_problem_state_for_all_students(request, course_id, problem_url): +@task +def delete_problem_state_for_all_students(course_id, problem_url): action_name = 'deleted' update_fcn = _delete_problem_module_state - return _update_problem_module_state_for_all_students(request, course_id, problem_url, + return _update_problem_module_state_for_all_students(course_id, problem_url, update_fcn, action_name) -@worker_ready.connect -def initialize_middleware(**kwargs): - # The initialize Django middleware - some middleware components - # are initialized lazily when the first request is served. Since - # the celery workers do not serve request, the components never - # get initialized, causing errors in some dependencies. - # In particular, the Mako template middleware is used by some xmodules - task_log.info("Initializing all middleware from worker_ready.connect hook") - - from django.core.handlers.base import BaseHandler - BaseHandler().load_middleware() +#@worker_ready.connect +#def initialize_middleware(**kwargs): +# # The initialize Django middleware - some middleware components +# # are initialized lazily when the first request is served. Since +# # the celery workers do not serve request, the components never +# # get initialized, causing errors in some dependencies. +# # In particular, the Mako template middleware is used by some xmodules +# task_log.info("Initializing all middleware from worker_ready.connect hook") +# +# from django.core.handlers.base import BaseHandler +# BaseHandler().load_middleware() diff --git a/lms/djangoapps/instructor/views.py b/lms/djangoapps/instructor/views.py index 95482f1ee8..cf403132d1 100644 --- a/lms/djangoapps/instructor/views.py +++ b/lms/djangoapps/instructor/views.py @@ -220,7 +220,10 @@ def instructor_dashboard(request, course_id): try: course_task_log_entry = task_queue.submit_regrade_problem_for_all_students(request, course_id, problem_url) if course_task_log_entry is None: - msg += 'Failed to create a background task for regrading "{0}".'.format(problem_url) + msg += 'Failed to create a background task for regrading "{0}".'.format(problem_url) + else: + track_msg = 'regrade problem {problem} for all students in {course}'.format(problem=problem_url, course=course_id) + track.views.server_track(request, track_msg, {}, page='idashboard') except Exception as e: log.error("Encountered exception from regrade: {0}".format(e)) msg += 'Failed to create a background task for regrading "{0}": {1}.'.format(problem_url, e) diff --git a/lms/envs/test.py b/lms/envs/test.py index 3ccfa24014..3a93f6d820 100644 --- a/lms/envs/test.py +++ b/lms/envs/test.py @@ -188,3 +188,8 @@ PASSWORD_HASHERS = ( 'django.contrib.auth.hashers.MD5PasswordHasher', # 'django.contrib.auth.hashers.CryptPasswordHasher', ) + +################################# CELERY ###################################### + +# By default don't use a worker, execute tasks as if they were local functions +CELERY_ALWAYS_EAGER = True From 0d38789a1d02bea04f73ef0f00628efc68cc5a80 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Thu, 9 May 2013 18:36:32 -0400 Subject: [PATCH 13/51] Add additional background tasks: reset attempts, delete state. Update CourseTaskLog fully after task submission, so it works in Eager mode (for testing). --- lms/djangoapps/courseware/task_queue.py | 293 ++++++++++++----- lms/djangoapps/courseware/tasks.py | 46 +-- lms/djangoapps/instructor/views.py | 179 ++++++---- .../courseware/instructor_dashboard.html | 310 +++++++++++------- 4 files changed, 532 insertions(+), 296 deletions(-) diff --git a/lms/djangoapps/courseware/task_queue.py b/lms/djangoapps/courseware/task_queue.py index 946ba99d5e..06522d57e5 100644 --- a/lms/djangoapps/courseware/task_queue.py +++ b/lms/djangoapps/courseware/task_queue.py @@ -8,7 +8,8 @@ from celery.states import READY_STATES from courseware.models import CourseTaskLog from courseware.module_render import get_xqueue_callback_url_prefix -from courseware.tasks import regrade_problem_for_all_students +from courseware.tasks import (regrade_problem_for_all_students, regrade_problem_for_student, + reset_problem_attempts_for_all_students, delete_problem_state_for_all_students) from xmodule.modulestore.django import modulestore @@ -16,13 +17,53 @@ log = logging.getLogger(__name__) def get_running_course_tasks(course_id): - """Returns a query of CourseTaskLog objects of running tasks for a given course.""" + """ + Returns a query of CourseTaskLog objects of running tasks for a given course. + + Used to generate a list of tasks to display on the instructor dashboard. + """ course_tasks = CourseTaskLog.objects.filter(course_id=course_id) for state in READY_STATES: course_tasks = course_tasks.exclude(task_state=state) return course_tasks +def course_task_log_status(request, task_id=None): + """ + This returns the status of a course-related task as a JSON-serialized dict. + + The task_id can be specified in one of three ways: + + * explicitly as an argument to the method (by specifying in the url) + Returns a dict containing status information for the specified task_id + + * by making a post request containing 'task_id' as a parameter with a single value + Returns a dict containing status information for the specified task_id + + * by making a post request containing 'task_ids' as a parameter, + with a list of task_id values. + Returns a dict of dicts, with the task_id as key, and the corresponding + dict containing status information for the specified task_id + + Task_id values that are unrecognized are skipped. + + """ + output = {} + if task_id is not None: + output = _get_course_task_log_status(task_id) + elif 'task_id' in request.POST: + task_id = request.POST['task_id'] + output = _get_course_task_log_status(task_id) + elif 'task_ids[]' in request.POST: + tasks = request.POST.getlist('task_ids[]') + for task_id in tasks: + task_output = _get_course_task_log_status(task_id) + if task_output is not None: + output[task_id] = task_output + + return HttpResponse(json.dumps(output, indent=4)) + + def _task_is_running(course_id, task_name, task_args, student=None): """Checks if a particular task is already running""" runningTasks = CourseTaskLog.objects.filter(course_id=course_id, task_name=task_name, task_args=task_args) @@ -66,9 +107,7 @@ def _update_task(course_task_log, task_result): Autocommit annotation makes sure the database entry is committed. """ - course_task_log.task_state = task_result.state - course_task_log.task_id = task_result.id - course_task_log.save() + _update_course_task_log(course_task_log, task_result) def _get_xmodule_instance_args(request): @@ -91,42 +130,68 @@ def _get_xmodule_instance_args(request): return xmodule_instance_args -def course_task_log_status(request, task_id=None): +def _update_course_task_log(course_task_log_entry, task_result): """ - This returns the status of a course-related task as a JSON-serialized dict. + Updates and possibly saves a CourseTaskLog entry based on a task Result. - The task_id can be specified in one of three ways: - - * explicitly as an argument to the method (by specifying in the url) - Returns a dict containing status information for the specified task_id - - * by making a post request containing 'task_id' as a parameter with a single value - Returns a dict containing status information for the specified task_id - - * by making a post request containing 'task_ids' as a parameter, - with a list of task_id values. - Returns a dict of dicts, with the task_id as key, and the corresponding - dict containing status information for the specified task_id - - Task_id values that are unrecognized are skipped. + Used when a task initially returns, as well as when updated status is + requested. + Calculates json to store in task_progress field. """ + task_id = task_result.task_id + result_state = task_result.state + returned_result = task_result.result + result_traceback = task_result.traceback + + # Assume we don't always update the CourseTaskLog entry if we don't have to: + entry_needs_saving = False output = {} - if task_id is not None: - output = _get_course_task_log_status(task_id) - elif 'task_id' in request.POST: - task_id = request.POST['task_id'] - output = _get_course_task_log_status(task_id) - elif 'task_ids[]' in request.POST: - tasks = request.POST.getlist('task_ids[]') - for task_id in tasks: - task_output = _get_course_task_log_status(task_id) - if task_output is not None: - output[task_id] = task_output - # TODO decide whether to raise exception if bad args are passed. - # May be enough just to return an empty output. - return HttpResponse(json.dumps(output, indent=4)) + if result_state == 'PROGRESS': + # construct a status message directly from the task result's result: + if hasattr(task_result, 'result') and 'attempted' in returned_result: + fmt = "Attempted {attempted} of {total}, {action_name} {updated}" + message = fmt.format(attempted=returned_result['attempted'], + updated=returned_result['updated'], + total=returned_result['total'], + action_name=returned_result['action_name']) + output['message'] = message + log.info("task progress: {0}".format(message)) + else: + log.info("still making progress... ") + output['task_progress'] = returned_result + + elif result_state == 'SUCCESS': + output['task_progress'] = returned_result + course_task_log_entry.task_progress = json.dumps(returned_result) + log.info("task succeeded: {0}".format(returned_result)) + entry_needs_saving = True + + elif result_state == 'FAILURE': + # on failure, the result's result contains the exception that caused the failure + exception = returned_result + traceback = result_traceback if result_traceback is not None else '' + entry_needs_saving = True + task_progress = {'exception': type(exception).__name__, 'message': str(exception.message)} + output['message'] = exception.message + log.warning("background task (%s) failed: %s %s".format(task_id, returned_result, traceback)) + if result_traceback is not None: + output['task_traceback'] = result_traceback + task_progress['traceback'] = result_traceback + course_task_log_entry.task_progress = json.dumps(task_progress) + output['task_progress'] = task_progress + + # always update the entry if the state has changed: + if result_state != course_task_log_entry.task_state: + course_task_log_entry.task_state = result_state + course_task_log_entry.task_id = task_id + entry_needs_saving = True + + if entry_needs_saving: + course_task_log_entry.save() + + return output def _get_course_task_log_status(task_id): @@ -169,56 +234,12 @@ def _get_course_task_log_status(task_id): # Just create the result object, and pull values out once. # (If we check them later, the state and result may have changed.) result = AsyncResult(task_id) - result_state = result.state - returned_result = result.result - result_traceback = result.traceback - - # Assume we don't always update the CourseTaskLog entry if we don't have to: - entry_needs_saving = False - - if result_state == 'PROGRESS': - # construct a status message directly from the task result's result: - if hasattr(result, 'result') and 'attempted' in returned_result: - fmt = "Attempted {attempted} of {total}, {action_name} {updated}" - message = fmt.format(attempted=returned_result['attempted'], - updated=returned_result['updated'], - total=returned_result['total'], - action_name=returned_result['action_name']) - output['message'] = message - log.info("task progress: {0}".format(message)) - else: - log.info("still making progress... ") - output['task_progress'] = returned_result - - elif result_state == 'SUCCESS': - # on success, save out the result here, but the message - # will be calculated later - output['task_progress'] = returned_result - course_task_log_entry.task_progress = json.dumps(returned_result) - log.info("task succeeded: {0}".format(returned_result)) - entry_needs_saving = True - - elif result_state == 'FAILURE': - # on failure, the result's result contains the exception that caused the failure - exception = str(returned_result) - course_task_log_entry.task_progress = exception - entry_needs_saving = True - output['message'] = exception - log.info("task failed: {0}".format(returned_result)) - if result_traceback is not None: - output['task_traceback'] = result_traceback - - # always update the entry if the state has changed: - if result_state != course_task_log_entry.task_state: - course_task_log_entry.task_state = result_state - entry_needs_saving = True - - if entry_needs_saving: - course_task_log_entry.save() - else: + output.update(_update_course_task_log(course_task_log_entry, result)) + elif course_task_log_entry.task_progress is not None: # task is already known to have finished, but report on its status: - if course_task_log_entry.task_progress is not None: - output['task_progress'] = json.loads(course_task_log_entry.task_progress) + output['task_progress'] = json.loads(course_task_log_entry.task_progress) + if course_task_log_entry.task_state == 'FAILURE': + output['message'] = output['task_progress']['message'] # output basic information matching what's stored in CourseTaskLog: output['task_id'] = course_task_log_entry.task_id @@ -274,14 +295,48 @@ def _get_task_completion_message(course_task_log_entry): return (succeeded, message) +########### Add task-submission methods here: + + +def submit_regrade_problem_for_student(request, course_id, problem_url, student): + """ + Request a problem to be regraded as a background task. + + The problem will be regraded for the specified student only. Parameters are the `course_id`, + the `problem_url`, and the `student` as a User object. + The url must specify the location of the problem, using i4x-type notation. + + An exception is thrown if the problem doesn't exist, or if the particular + problem is already being regraded for this student. + """ + # check arguments: make sure that the problem_url is defined + # (since that's currently typed in). If the corresponding module descriptor doesn't exist, + # an exception will be raised. Let it pass up to the caller. + modulestore().get_instance(course_id, problem_url) + + task_name = 'regrade_problem' + + # check to see if task is already running, and reserve it otherwise + course_task_log = _reserve_task(course_id, task_name, problem_url, request.user, student) + + # Submit task: + task_args = [course_id, problem_url, student.username, _get_xmodule_instance_args(request)] + task_result = regrade_problem_for_student.apply_async(task_args) + + # Update info in table with the resulting task_id (and state). + _update_task(course_task_log, task_result) + + return course_task_log + + def submit_regrade_problem_for_all_students(request, course_id, problem_url): """ Request a problem to be regraded as a background task. The problem will be regraded for all students who have accessed the - particular problem in a course. Parameters are the `course_id` and - the `problem_url`. The url must specify the location of the problem, - using i4x-type notation. + particular problem in a course and have provided and checked an answer. + Parameters are the `course_id` and the `problem_url`. + The url must specify the location of the problem, using i4x-type notation. An exception is thrown if the problem doesn't exist, or if the particular problem is already being regraded. @@ -304,3 +359,67 @@ def submit_regrade_problem_for_all_students(request, course_id, problem_url): _update_task(course_task_log, task_result) return course_task_log + + +def submit_reset_problem_attempts_for_all_students(request, course_id, problem_url): + """ + Request to have attempts reset for a problem as a background task. + + The problem's attempts will be reset for all students who have accessed the + particular problem in a course. Parameters are the `course_id` and + the `problem_url`. The url must specify the location of the problem, + using i4x-type notation. + + An exception is thrown if the problem doesn't exist, or if the particular + problem is already being reset. + """ + # check arguments: make sure that the problem_url is defined + # (since that's currently typed in). If the corresponding module descriptor doesn't exist, + # an exception will be raised. Let it pass up to the caller. + modulestore().get_instance(course_id, problem_url) + + task_name = 'reset_problem_attempts' + + # check to see if task is already running, and reserve it otherwise + course_task_log = _reserve_task(course_id, task_name, problem_url, request.user) + + # Submit task: + task_args = [course_id, problem_url, _get_xmodule_instance_args(request)] + task_result = reset_problem_attempts_for_all_students.apply_async(task_args) + + # Update info in table with the resulting task_id (and state). + _update_task(course_task_log, task_result) + + return course_task_log + + +def submit_delete_problem_state_for_all_students(request, course_id, problem_url): + """ + Request to have state deleted for a problem as a background task. + + The problem's state will be deleted for all students who have accessed the + particular problem in a course. Parameters are the `course_id` and + the `problem_url`. The url must specify the location of the problem, + using i4x-type notation. + + An exception is thrown if the problem doesn't exist, or if the particular + problem is already being deleted. + """ + # check arguments: make sure that the problem_url is defined + # (since that's currently typed in). If the corresponding module descriptor doesn't exist, + # an exception will be raised. Let it pass up to the caller. + modulestore().get_instance(course_id, problem_url) + + task_name = 'delete_problem_state' + + # check to see if task is already running, and reserve it otherwise + course_task_log = _reserve_task(course_id, task_name, problem_url, request.user) + + # Submit task: + task_args = [course_id, problem_url, _get_xmodule_instance_args(request)] + task_result = delete_problem_state_for_all_students.apply_async(task_args) + + # Update info in table with the resulting task_id (and state). + _update_task(course_task_log, task_result) + + return course_task_log diff --git a/lms/djangoapps/courseware/tasks.py b/lms/djangoapps/courseware/tasks.py index 5b05eb725d..3ad3b9a830 100644 --- a/lms/djangoapps/courseware/tasks.py +++ b/lms/djangoapps/courseware/tasks.py @@ -11,7 +11,7 @@ from celery.utils.log import get_task_logger import mitxmako.middleware as middleware -from courseware.models import StudentModule, CourseTaskLog +from courseware.models import StudentModule from courseware.model_data import ModelDataCache # from courseware.module_render import get_module from courseware.module_render import get_module_for_descriptor_internal @@ -25,18 +25,6 @@ from track.views import task_track task_log = get_task_logger(__name__) -@task -def waitawhile(value): - for i in range(value): - sleep(1) # in seconds - task_log.info('Waited {0} seconds...'.format(i)) - current_task.update_state(state='PROGRESS', - meta={'current': i, 'total': value}) - - result = 'Yeah!' - return result - - class UpdateProblemModuleStateError(Exception): pass @@ -48,6 +36,13 @@ def _update_problem_module_state(course_id, module_state_key, student, update_fc If student is None, performs update on modules for all students on the specified problem. """ + task_id = current_task.request.id + fmt = 'Starting to update problem modules as task "{task_id}": course "{course_id}" problem "{state_key}": nothing {action} yet' + task_log.info(fmt.format(task_id=task_id, course_id=course_id, state_key=module_state_key, action=action_name)) + + # add task_id to xmodule_instance_args, so that it can be output with tracking info: + xmodule_instance_args['task_id'] = task_id + # add hack so that mako templates will work on celery worker server: # The initialization of Make templating is usually done when Django is # initializing middleware packages as part of processing a server request. @@ -86,7 +81,6 @@ def _update_problem_module_state(course_id, module_state_key, student, update_fc } return progress - task_log.info("Starting to process task {0}".format(current_task.request.id)) for module_to_update in modules_to_update: num_attempted += 1 @@ -142,8 +136,10 @@ def _get_module_instance_for_task(course_id, student, module_descriptor, module_ # instance = get_module(student, request, module_state_key, model_data_cache, # course_id, grade_bucket_type='regrade') + # get request-related tracking information from args passthrough, and supplement with task-specific + # information: request_info = xmodule_instance_args.get('request_info', {}) if xmodule_instance_args is not None else {} - task_info = {} + task_info = {"student": student.username, "task_id": xmodule_instance_args['task_id']} def make_track_function(): ''' @@ -250,19 +246,21 @@ def _reset_problem_attempts_module_state(module_descriptor, student_module, xmod @task -def reset_problem_attempts_for_student(course_id, problem_url, student_identifier): +def reset_problem_attempts_for_student(course_id, problem_url, student_identifier, xmodule_instance_args): action_name = 'reset' update_fcn = _reset_problem_attempts_module_state return _update_problem_module_state_for_student(course_id, problem_url, student_identifier, - update_fcn, action_name) + update_fcn, action_name, + xmodule_instance_args=xmodule_instance_args) @task -def reset_problem_attempts_for_all_students(course_id, problem_url): +def reset_problem_attempts_for_all_students(course_id, problem_url, xmodule_instance_args): action_name = 'reset' update_fcn = _reset_problem_attempts_module_state return _update_problem_module_state_for_all_students(course_id, problem_url, - update_fcn, action_name) + update_fcn, action_name, + xmodule_instance_args=xmodule_instance_args) @transaction.autocommit @@ -273,19 +271,21 @@ def _delete_problem_module_state(module_descriptor, student_module, xmodule_inst @task -def delete_problem_state_for_student(course_id, problem_url, student_ident): +def delete_problem_state_for_student(course_id, problem_url, student_ident, xmodule_instance_args): action_name = 'deleted' update_fcn = _delete_problem_module_state return _update_problem_module_state_for_student(course_id, problem_url, student_ident, - update_fcn, action_name) + update_fcn, action_name, + xmodule_instance_args=xmodule_instance_args) @task -def delete_problem_state_for_all_students(course_id, problem_url): +def delete_problem_state_for_all_students(course_id, problem_url, xmodule_instance_args): action_name = 'deleted' update_fcn = _delete_problem_module_state return _update_problem_module_state_for_all_students(course_id, problem_url, - update_fcn, action_name) + update_fcn, action_name, + xmodule_instance_args=xmodule_instance_args) #@worker_ready.connect diff --git a/lms/djangoapps/instructor/views.py b/lms/djangoapps/instructor/views.py index cf403132d1..f47be688d0 100644 --- a/lms/djangoapps/instructor/views.py +++ b/lms/djangoapps/instructor/views.py @@ -10,9 +10,7 @@ import os import re import requests from requests.status_codes import codes -#import urllib from collections import OrderedDict -#from time import sleep from StringIO import StringIO @@ -25,7 +23,6 @@ from mitxmako.shortcuts import render_to_response from django.core.urlresolvers import reverse from courseware import grades -#from courseware import tasks # for now... should remove once things are in queue instead from courseware import task_queue from courseware.access import (has_access, get_access_group_name, course_beta_test_group_name) @@ -43,6 +40,7 @@ import xmodule.graders as xmgraders import track.views from .offline_gradecalc import student_grades, offline_grades_available +from xmodule.modulestore.exceptions import ItemNotFoundError log = logging.getLogger(__name__) @@ -139,6 +137,25 @@ def instructor_dashboard(request, course_id): (group, _) = Group.objects.get_or_create(name=name) return group + def get_module_url(urlname): + """ + Construct full URL for a module from its urlname. + + Form is either urlname or modulename/urlname. If no modulename + is provided, "problem" is assumed. + """ + # tolerate an XML suffix in the urlname + if urlname[-4:] == ".xml": + urlname = urlname[:-4] + + # implement default + if '/' not in urlname: + urlname = "problem/" + urlname + + # complete the url using information about the current course: + (org, course_name, _) = course_id.split("/") + return "i4x://" + org + "/" + course_name + "/" + urlname + # process actions from form POST action = request.POST.get('action', '') use_offline = request.POST.get('use_offline_grades', False) @@ -177,13 +194,6 @@ def instructor_dashboard(request, course_id): datatable['title'] = 'List of students enrolled in {0}'.format(course_id) track.views.server_track(request, 'list-students', {}, page='idashboard') -# elif 'Test Celery' in action: -# args = (10,) -# result = tasks.waitawhile.apply_async(args, retry=False) -# task_id = result.id -# celery_ajax_url = reverse('celery_ajax_status', kwargs={'task_id': task_id}) -# msg += '

Celery Status for task ${task}:

Status end.

'.format(task=task_id, url=celery_ajax_url) - elif 'Dump Grades' in action: log.debug(action) datatable = get_student_grade_summary_data(request, course, course_id, get_grades=True, use_offline=use_offline) @@ -216,7 +226,8 @@ def instructor_dashboard(request, course_id): msg += dump_grading_context(course) elif "Regrade ALL students' problem submissions" in action: - problem_url = request.POST.get('problem_to_regrade', '') + problem_urlname = request.POST.get('problem_for_all_students', '') + problem_url = get_module_url(problem_urlname) try: course_task_log_entry = task_queue.submit_regrade_problem_for_all_students(request, course_id, problem_url) if course_task_log_entry is None: @@ -224,73 +235,121 @@ def instructor_dashboard(request, course_id): else: track_msg = 'regrade problem {problem} for all students in {course}'.format(problem=problem_url, course=course_id) track.views.server_track(request, track_msg, {}, page='idashboard') + except ItemNotFoundError as e: + log.error('Failure to regrade: unknown problem "{0}"'.format(e)) + msg += 'Failed to create a background task for regrading "{0}": problem not found.'.format(problem_url) except Exception as e: log.error("Encountered exception from regrade: {0}".format(e)) - msg += 'Failed to create a background task for regrading "{0}": {1}.'.format(problem_url, e) + msg += 'Failed to create a background task for regrading "{0}": {1}.'.format(problem_url, e.message) - elif "Reset student's attempts" in action or "Delete student state for problem" in action: + elif "Reset ALL students' attempts" in action: + problem_urlname = request.POST.get('problem_for_all_students', '') + problem_url = get_module_url(problem_urlname) + try: + course_task_log_entry = task_queue.submit_reset_problem_attempts_for_all_students(request, course_id, problem_url) + if course_task_log_entry is None: + msg += 'Failed to create a background task for resetting "{0}".'.format(problem_url) + else: + track_msg = 'reset problem {problem} for all students in {course}'.format(problem=problem_url, course=course_id) + track.views.server_track(request, track_msg, {}, page='idashboard') + except ItemNotFoundError as e: + log.error('Failure to reset: unknown problem "{0}"'.format(e)) + msg += 'Failed to create a background task for resetting "{0}": problem not found.'.format(problem_url) + except Exception as e: + log.error("Encountered exception from reset: {0}".format(e)) + msg += 'Failed to create a background task for resetting "{0}": {1}.'.format(problem_url, e.message) + + elif "Delete ALL student state for module" in action: + problem_urlname = request.POST.get('problem_for_all_students', '') + problem_url = get_module_url(problem_urlname) + try: + course_task_log_entry = task_queue.submit_delete_problem_state_for_all_students(request, course_id, problem_url) + if course_task_log_entry is None: + msg += 'Failed to create a background task for deleting "{0}".'.format(problem_url) + else: + track_msg = 'delete state for problem {problem} for all students in {course}'.format(problem=problem_url, course=course_id) + track.views.server_track(request, track_msg, {}, page='idashboard') + except ItemNotFoundError as e: + log.error('Failure to delete state: unknown problem "{0}"'.format(e)) + msg += 'Failed to create a background task for deleting state for "{0}": problem not found.'.format(problem_url) + except Exception as e: + log.error("Encountered exception from delete state: {0}".format(e)) + msg += 'Failed to create a background task for deleting state for "{0}": {1}.'.format(problem_url, e.message) + + elif "Reset student's attempts" in action or "Delete student state for module" in action \ + or "Regrade student's problem submission" in action: # get the form data unique_student_identifier = request.POST.get('unique_student_identifier', '') - problem_to_reset = request.POST.get('problem_to_reset', '') - - if problem_to_reset[-4:] == ".xml": - problem_to_reset = problem_to_reset[:-4] + problem_urlname = request.POST.get('problem_for_student', '') + module_state_key = get_module_url(problem_urlname) # try to uniquely id student by email address or username try: if "@" in unique_student_identifier: - student_to_reset = User.objects.get(email=unique_student_identifier) + student = User.objects.get(email=unique_student_identifier) else: - student_to_reset = User.objects.get(username=unique_student_identifier) - msg += "Found a single student to reset. " - except: - student_to_reset = None + student = User.objects.get(username=unique_student_identifier) + msg += "Found a single student. " + except User.DoesNotExist: + student = None msg += "Couldn't find student with that email or username. " - if student_to_reset is not None: + student_module = None + if student is not None: # find the module in question - if '/' not in problem_to_reset: # allow state of modules other than problem to be reset - problem_to_reset = "problem/" + problem_to_reset # but problem is the default try: - (org, course_name, _) = course_id.split("/") - module_state_key = "i4x://" + org + "/" + course_name + "/" + problem_to_reset - module_to_reset = StudentModule.objects.get(student_id=student_to_reset.id, + student_module = StudentModule.objects.get(student_id=student.id, course_id=course_id, module_state_key=module_state_key) - msg += "Found module to reset. " - except Exception: + msg += "Found module. " + except StudentModule.DoesNotExist: msg += "Couldn't find module with that urlname. " - if "Delete student state for problem" in action: - # delete the state - try: - module_to_reset.delete() - msg += "Deleted student module state for %s!" % module_state_key - except: - msg += "Failed to delete module state for %s/%s" % (unique_student_identifier, problem_to_reset) - else: - # modify the problem's state - try: - # load the state json - problem_state = json.loads(module_to_reset.state) - old_number_of_attempts = problem_state["attempts"] - problem_state["attempts"] = 0 + if student_module is not None: + if "Delete student state for module" in action: + # delete the state + try: + student_module.delete() + msg += "Deleted student module state for %s!" % module_state_key + track_msg = 'delete student module state for problem {problem} for student {student} in {course}' + track_msg = track_msg.format(problem=problem_url, student=unique_student_identifier, course=course_id) + track.views.server_track(request, track_msg, {}, page='idashboard') + except: + msg += "Failed to delete module state for %s/%s" % (unique_student_identifier, problem_urlname) + elif "Reset student's attempts" in action: + # modify the problem's state + try: + # load the state json + problem_state = json.loads(student_module.state) + old_number_of_attempts = problem_state["attempts"] + problem_state["attempts"] = 0 - # save - module_to_reset.state = json.dumps(problem_state) - module_to_reset.save() - track.views.server_track(request, - '{instructor} reset attempts from {old_attempts} to 0 for {student} on problem {problem} in {course}'.format( - old_attempts=old_number_of_attempts, - student=student_to_reset, - problem=module_to_reset.module_state_key, - instructor=request.user, - course=course_id), - {}, - page='idashboard') - msg += "Module state successfully reset!" - except: - msg += "Couldn't reset module state. " + # save + student_module.state = json.dumps(problem_state) + student_module.save() + track.views.server_track(request, + '{instructor} reset attempts from {old_attempts} to 0 for {student} on problem {problem} in {course}'.format( + old_attempts=old_number_of_attempts, + student=student, + problem=student_module.module_state_key, + instructor=request.user, + course=course_id), + {}, + page='idashboard') + msg += "Module state successfully reset!" + except: + msg += "Couldn't reset module state. " + else: + try: + course_task_log_entry = task_queue.submit_regrade_problem_for_student(request, course_id, module_state_key, student) + if course_task_log_entry is None: + msg += 'Failed to create a background task for regrading "{0}" for student {1}.'.format(module_state_key, unique_student_identifier) + else: + track_msg = 'regrade problem {problem} for student {student} in {course}'.format(problem=module_state_key, student=unique_student_identifier, course=course_id) + track.views.server_track(request, track_msg, {}, page='idashboard') + except Exception as e: + log.error("Encountered exception from regrade: {0}".format(e)) + msg += 'Failed to create a background task for regrading "{0}": {1}.'.format(module_state_key, e.message) elif "Get link to student's progress page" in action: unique_student_identifier = request.POST.get('unique_student_identifier', '') @@ -308,7 +367,7 @@ def instructor_dashboard(request, course_id): {}, page='idashboard') msg += " Progress page for username: {1} with email address: {2}.".format(progress_url, student_to_reset.username, student_to_reset.email) - except: + except User.DoesNotExist: msg += "Couldn't find student with that username. " #---------------------------------------- diff --git a/lms/templates/courseware/instructor_dashboard.html b/lms/templates/courseware/instructor_dashboard.html index acc32841be..c5c7217c0f 100644 --- a/lms/templates/courseware/instructor_dashboard.html +++ b/lms/templates/courseware/instructor_dashboard.html @@ -15,97 +15,98 @@ (function() { - var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; }; + var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; }; - this.CourseTaskProgress = (function() { + this.CourseTaskProgress = (function() { - function CourseTaskProgress(element) { - this.poll = __bind(this.poll, this); - this.queueing = __bind(this.queueing, this); - this.element = element; - this.reinitialize(element); - // start the work here - this.queueing(); - } + // Hardcode the refresh interval to be every five seconds. + // TODO: allow the refresh interval to be set. (And if it is disabled, + // then don't set the timeout at all.) + var refresh_interval = 5000; - CourseTaskProgress.prototype.reinitialize = function(element) { - this.entries = $(element).find('.task-progress-entry') - }; + // Hardcode the initial delay, for the first refresh, to two seconds: + var initial_refresh_delay = 2000; - CourseTaskProgress.prototype.$ = function(selector) { - return $(selector, this.element); - }; - - CourseTaskProgress.prototype.queueing = function() { - if (window.queuePollerID) { - window.clearTimeout(window.queuePollerID); - } - return window.queuePollerID = window.setTimeout(this.poll, 1000); - }; - - CourseTaskProgress.prototype.poll = function() { - var _this = this; - // clear the array of entries to poll this time - this.task_ids = []; - // then go through the entries, update each, - // and decide if it should go onto the next list - this.entries.each(function(idx, element) { - var task_id = $(element).data('taskId'); - _this.task_ids.push(task_id); - }); - var ajax_url = '/course_task_log_status/'; - // Note that the keyname here ends up with "[]" being appended - // in the POST parameter that shows up on the Django server. - var data = {'task_ids': this.task_ids }; - // TODO: split callback out into a separate function defn. - $.post(ajax_url, data).done(function(response) { - // expect to receive a dict with an entry for each - // requested task_id. - // Each should indicate if it were in_progress. - // If none are, then delete the poller. - // If any are, add them to the list of entries to - // be requeried, and reset the timer to call this - // again. - // TODO: clean out _this.entries, and add back - // only those entries that are still pending. - var something_in_progress = false; - for (name in response) { - if (response.hasOwnProperty(name)) { - var task_id = name; - var task_dict = response[task_id]; - // this should be a dict of properties for this task_id - if (task_dict.in_progress === true) { - something_in_progress = true; + function CourseTaskProgress(element) { + this.update_progress = __bind(this.update_progress, this); + this.get_status = __bind(this.get_status, this); + this.element = element; + this.entries = $(element).find('.task-progress-entry') + if (window.queuePollerID) { + window.clearTimeout(window.queuePollerID); } - // find the corresponding entry, and update it: - entry = $(_this.element).find('[data-task-id="' + task_id + '"]'); - entry.find('.task-state').text(task_dict.task_state) - var progress_value = task_dict.message || ''; - entry.find('.task-progress').text(progress_value); - } + return window.queuePollerID = window.setTimeout(this.get_status, this.initial_refresh_delay); } - if (something_in_progress) { - // TODO: set the refresh interval. (And if it is disabled, - // then don't set the timeout at all.) - return window.queuePollerID = window.setTimeout(_this.poll, 1000); - } else { - delete window.queuePollerID; + + CourseTaskProgress.prototype.$ = function(selector) { + return $(selector, this.element); + }; + + CourseTaskProgress.prototype.update_progress = function(response) { + var _this = this; + // Response should be a dict with an entry for each requested task_id, + // with a "task-state" and "in_progress" key and optionally a "message" + // and a "task_progress.duration" key. + var something_in_progress = false; + for (task_id in response) { + var task_dict = response[task_id]; + // find the corresponding entry, and update it: + entry = $(_this.element).find('[data-task-id="' + task_id + '"]'); + entry.find('.task-state').text(task_dict.task_state) + var duration_value = (task_dict.task_progress && task_dict.task_progress.duration_ms) || 'unknown'; + entry.find('.task-duration').text(duration_value); + var progress_value = task_dict.message || ''; + entry.find('.task-progress').text(progress_value); + // if the task is complete, then change the entry so it won't + // be queried again. Otherwise set a flag. + if (task_dict.in_progress === true) { + something_in_progress = true; + } else { + entry.data('inProgress', "False") + } + } + + // if some entries are still incomplete, then repoll: + if (something_in_progress) { + return window.queuePollerID = window.setTimeout(_this.get_status, _this.refresh_interval); + } else { + delete window.queuePollerID; + } } - }); - }; + CourseTaskProgress.prototype.get_status = function() { + var _this = this; + var task_ids = []; - return CourseTaskProgress; + // Construct the array of ids to get status for, by + // including the subset of entries that are still in progress. + this.entries.each(function(idx, element) { + var task_id = $(element).data('taskId'); + var in_progress = $(element).data('inProgress'); + if (in_progress="True") { + task_ids.push(task_id); + } + }); - })(); + // Make call to get status for these ids. + // Note that the keyname here ends up with "[]" being appended + // in the POST parameter that shows up on the Django server. + // TODO: add error handler. + var ajax_url = '/course_task_log_status/'; + var data = {'task_ids': task_ids }; + $.post(ajax_url, data).done(this.update_progress); + }; + + return CourseTaskProgress; + })(); }).call(this); - // once the page is rendered, create the progress object - var courseTaskProgress; - $(document).ready(function() { - courseTaskProgress = new CourseTaskProgress($('#task-progress-wrapper')); - }); +// once the page is rendered, create the progress object +var courseTaskProgress; +$(document).ready(function() { + courseTaskProgress = new CourseTaskProgress($('#task-progress-wrapper')); +}); %endif @@ -294,25 +295,77 @@ function goto( mode)
%endif + %if settings.MITX_FEATURES.get('ENABLE_COURSE_BACKGROUND_TASKS'):

Course-specific grade adjustment

-

to regrade a problem for all students, input the urlname of that problem

-

- +

+ Specify a particular problem in the course here by its url: + +

+

+ You may use just the "urlname" if a problem, or "modulename/urlname" if not. + (For example, if the location is i4x://university/course/problem/problemname, + then just provide the problemname. + If the location is i4x://university/course/notaproblem/someothername, then + provide notaproblem/someothername.) +

+

+ Then select an action: + + +

+

+

These actions run in the background, and status for active tasks will appear in a table below. + To see status for all tasks submitted for this course, click on this button: +

+

+

+
+ %endif +

Student-specific grade inspection and adjustment

-

edX email address or their username:

-

-

and, if you want to reset the number of attempts for a problem, the urlname of that problem - (e.g. if the location is i4x://university/course/problem/problemname, then the urlname is problemname).

-

+

+ Specify the edX email address or username of a student here: + +

+

+ Click this, and a link to student's progress page will appear below: + +

+

+ Specify a particular problem in the course here by its url: + +

+

+ You may use just the "urlname" if a problem, or "modulename/urlname" if not. + (For example, if the location is i4x://university/course/problem/problemname, + then just provide the problemname. + If the location is i4x://university/course/notaproblem/someothername, then + provide notaproblem/someothername.) +

+

+ Then select an action: + + %if settings.MITX_FEATURES.get('ENABLE_COURSE_BACKGROUND_TASKS'): + + %endif +

%if instructor_access: -

You may also delete the entire state of a student for a problem: -

-

To delete the state of other XBlocks specify modulename/urlname, eg - combinedopenended/Humanities_SA_Peer

+

+ You may also delete the entire state of a student for the specified module: + +

+ %endif + %if settings.MITX_FEATURES.get('ENABLE_COURSE_BACKGROUND_TASKS'): +

Regrading runs in the background, and status for active tasks will appear in a table below. + To see status for all tasks submitted for this course and student, click on this button: +

+

+ +

%endif %endif @@ -484,42 +537,6 @@ function goto( mode) %if msg:

${msg}

%endif -##----------------------------------------------------------------------------- -## Output tasks in progress - -%if course_tasks is not None and len(course_tasks) > 0: -

Pending Course Tasks

-
-
Requester Submitted Last UpdateTask StatusTask State Task Progress
${course_task.requester} ${course_task.created}
${course_task.updated}
${course_task.task_status}
${course_task.task_state}
unknown
- - - - - - - - - - - - %for tasknum, course_task in enumerate(course_tasks): - - - - - - - - - - - - %endfor -
Task NameTask ArgStudentTask IdRequesterSubmittedLast UpdateTask StateTask Progress
${course_task.task_name}${course_task.task_args}${course_task.student}
${course_task.task_id}
${course_task.requester}${course_task.created}
${course_task.updated}
${course_task.task_state}
unknown
-
-
- -%endif ##----------------------------------------------------------------------------- @@ -683,6 +700,47 @@ function goto( mode) ##----------------------------------------------------------------------------- +## Output tasks in progress + +%if course_tasks is not None and len(course_tasks) > 0: +
+

Pending Course Tasks

+
+ + + + + + + + + + + + + %for tasknum, course_task in enumerate(course_tasks): + + + + + + + + + + + + %endfor +
Task NameTask ArgStudentTask IdRequesterSubmittedTask StateDuration (ms)Task Progress
${course_task.task_name}${course_task.task_args}${course_task.student}
${course_task.task_id}
${course_task.requester}${course_task.created}
${course_task.task_state}
unknown
unknown
+
+
+ +%endif + +##----------------------------------------------------------------------------- + %if datatable and modeflag.get('Psychometrics') is None:
From ee5ffedfee0908a3592c58003e321c328af89792 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Fri, 10 May 2013 18:10:51 -0400 Subject: [PATCH 14/51] Clean up task progress javascript. Add before/after scores to tracking of regrading requests. --- common/lib/xmodule/xmodule/capa_module.py | 57 ++++++++++++------- .../xmodule/xmodule/tests/test_conditional.py | 11 ++-- lms/envs/test.py | 2 + 3 files changed, 43 insertions(+), 27 deletions(-) diff --git a/common/lib/xmodule/xmodule/capa_module.py b/common/lib/xmodule/xmodule/capa_module.py index 7d7ca2c912..5bacc3c080 100644 --- a/common/lib/xmodule/xmodule/capa_module.py +++ b/common/lib/xmodule/xmodule/capa_module.py @@ -655,7 +655,7 @@ class CapaModule(CapaFields, XModule): @staticmethod def make_dict_of_responses(get): '''Make dictionary of student responses (aka "answers") - get is POST dictionary (Djano QueryDict). + get is POST dictionary (Django QueryDict). The *get* dict has keys of the form 'x_y', which are mapped to key 'y' in the returned dict. For example, @@ -739,13 +739,13 @@ class CapaModule(CapaFields, XModule): # Too late. Cannot submit if self.closed(): event_info['failure'] = 'closed' - self.system.track_function('save_problem_check_fail', event_info) + self.system.track_function('problem_check_fail', event_info) raise NotFoundError('Problem is closed') # Problem submitted. Student should reset before checking again if self.done and self.rerandomize == "always": event_info['failure'] = 'unreset' - self.system.track_function('save_problem_check_fail', event_info) + self.system.track_function('problem_check_fail', event_info) raise NotFoundError('Problem must be reset before it can be checked again') # Problem queued. Students must wait a specified waittime before they are allowed to submit @@ -800,7 +800,7 @@ class CapaModule(CapaFields, XModule): event_info['correct_map'] = correct_map.get_dict() event_info['success'] = success event_info['attempts'] = self.attempts - self.system.track_function('save_problem_check', event_info) + self.system.track_function('problem_check', event_info) if hasattr(self.system, 'psychometrics_handler'): # update PsychometricsData using callback self.system.psychometrics_handler(self.get_state_for_lcp()) @@ -813,21 +813,33 @@ class CapaModule(CapaFields, XModule): } def regrade_problem(self): - ''' Checks whether answers to a problem are correct, and - returns a map of correct/incorrect answers: + """ + Checks whether the existing answers to a problem are correct. - {'success' : 'correct' | 'incorrect' | AJAX alert msg string, - 'contents' : html} - ''' + This is called when the correct answer to a problem has been changed, + and the grade should be re-evaluated. + + Returns a dict with one key: + {'success' : 'correct' | 'incorrect' | AJAX alert msg string } + + Raises NotFoundError if called on a problem that has not yet been answered + (since this is avoidable). Returns the error messages for exceptions + occurring while performing the regrading, rather than throwing them. + """ event_info = dict() event_info['state'] = self.lcp.get_state() event_info['problem_id'] = self.location.url() if not self.done: event_info['failure'] = 'unanswered' - self.system.track_function('save_problem_regrade_fail', event_info) + self.system.track_function('problem_regrade_fail', event_info) raise NotFoundError('Problem must be answered before it can be graded again') + # get old score, for comparison: + orig_score = self.lcp.get_score() + event_info['orig_score'] = orig_score['score'] + event_info['orig_max_score'] = orig_score['total'] + try: correct_map = self.lcp.regrade_existing_answers() # regrading should have no effect on attempts, so don't @@ -835,8 +847,12 @@ class CapaModule(CapaFields, XModule): self.set_state_from_lcp() except StudentInputError as inst: log.exception("StudentInputError in capa_module:problem_regrade") + event_info['failure'] = 'student_input_error' + self.system.track_function('problem_regrade_fail', event_info) return {'success': inst.message} except Exception, err: + event_info['failure'] = 'unexpected' + self.system.track_function('problem_regrade_fail', event_info) if self.system.DEBUG: msg = "Error checking problem: " + str(err) msg += '\nTraceback:\n' + traceback.format_exc() @@ -845,6 +861,10 @@ class CapaModule(CapaFields, XModule): self.publish_grade() + new_score = self.lcp.get_score() + event_info['new_score'] = new_score['score'] + event_info['new_max_score'] = new_score['total'] + # success = correct if ALL questions in this problem are correct success = 'correct' for answer_id in correct_map: @@ -856,25 +876,20 @@ class CapaModule(CapaFields, XModule): event_info['correct_map'] = correct_map.get_dict() event_info['success'] = success event_info['attempts'] = self.attempts - self.system.track_function('save_problem_regrade', event_info) + self.system.track_function('problem_regrade', event_info) # TODO: figure out if psychometrics should be called on regrading requests if hasattr(self.system, 'psychometrics_handler'): # update PsychometricsData using callback self.system.psychometrics_handler(self.get_instance_state()) - # render problem into HTML - html = self.get_problem_html(encapsulate=False) - - return {'success': success, - 'contents': html, - } + return {'success': success} def save_problem(self, get): - ''' + """ Save the passed in answers. - Returns a dict { 'success' : bool, ['error' : error-msg]}, - with the error key only present if success is False. - ''' + Returns a dict { 'success' : bool, 'msg' : message } + The message is informative on success, and an error message on failure. + """ event_info = dict() event_info['state'] = self.lcp.get_state() event_info['problem_id'] = self.location.url() diff --git a/common/lib/xmodule/xmodule/tests/test_conditional.py b/common/lib/xmodule/xmodule/tests/test_conditional.py index e88bf0c588..fed40b690f 100644 --- a/common/lib/xmodule/xmodule/tests/test_conditional.py +++ b/common/lib/xmodule/xmodule/tests/test_conditional.py @@ -20,7 +20,7 @@ from . import test_system class DummySystem(ImportSystem): - @patch('xmodule.modulestore.xml.OSFS', lambda dir: MemoryFS()) + @patch('xmodule.modulestore.xml.OSFS', lambda directory: MemoryFS()) def __init__(self, load_error_modules): xmlstore = XMLModuleStore("data_dir", course_dirs=[], load_error_modules=load_error_modules) @@ -41,7 +41,8 @@ class DummySystem(ImportSystem): ) def render_template(self, template, context): - raise Exception("Shouldn't be called") + raise Exception("Shouldn't be called") + class ConditionalFactory(object): """ @@ -93,7 +94,7 @@ class ConditionalFactory(object): # return dict: return {'cond_module': cond_module, 'source_module': source_module, - 'child_module': child_module } + 'child_module': child_module} class ConditionalModuleBasicTest(unittest.TestCase): @@ -109,12 +110,11 @@ class ConditionalModuleBasicTest(unittest.TestCase): '''verify that get_icon_class works independent of condition satisfaction''' modules = ConditionalFactory.create(self.test_system) for attempted in ["false", "true"]: - for icon_class in [ 'other', 'problem', 'video']: + for icon_class in ['other', 'problem', 'video']: modules['source_module'].is_attempted = attempted modules['child_module'].get_icon_class = lambda: icon_class self.assertEqual(modules['cond_module'].get_icon_class(), icon_class) - def test_get_html(self): modules = ConditionalFactory.create(self.test_system) # because test_system returns the repr of the context dict passed to render_template, @@ -224,4 +224,3 @@ class ConditionalModuleXmlTest(unittest.TestCase): print "post-attempt ajax: ", ajax html = ajax['html'] self.assertTrue(any(['This is a secret' in item for item in html])) - diff --git a/lms/envs/test.py b/lms/envs/test.py index 3a93f6d820..8e8097759c 100644 --- a/lms/envs/test.py +++ b/lms/envs/test.py @@ -193,3 +193,5 @@ PASSWORD_HASHERS = ( # By default don't use a worker, execute tasks as if they were local functions CELERY_ALWAYS_EAGER = True +CELERY_RESULT_BACKEND = 'cache' +BROKER_TRANSPORT = 'memory' From 07d2de47898398d0f57e1e8f26e4de327d23dcb3 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Mon, 13 May 2013 17:20:45 -0400 Subject: [PATCH 15/51] Add tests for regrading at capa_module level. --- common/lib/xmodule/xmodule/capa_module.py | 8 ++- .../xmodule/xmodule/tests/test_capa_module.py | 66 +++++++++++++++++++ 2 files changed, 71 insertions(+), 3 deletions(-) diff --git a/common/lib/xmodule/xmodule/capa_module.py b/common/lib/xmodule/xmodule/capa_module.py index 5bacc3c080..07dfe5e0f7 100644 --- a/common/lib/xmodule/xmodule/capa_module.py +++ b/common/lib/xmodule/xmodule/capa_module.py @@ -845,11 +845,13 @@ class CapaModule(CapaFields, XModule): # regrading should have no effect on attempts, so don't # need to increment here, or mark done. Just save. self.set_state_from_lcp() - except StudentInputError as inst: - log.exception("StudentInputError in capa_module:problem_regrade") + + except (StudentInputError, ResponseError, LoncapaProblemError) as inst: + log.warning("StudentInputError in capa_module:problem_regrade", exc_info=True) event_info['failure'] = 'student_input_error' self.system.track_function('problem_regrade_fail', event_info) - return {'success': inst.message} + return {'success': "Error: {0}".format(inst.message)} + except Exception, err: event_info['failure'] = 'unexpected' self.system.track_function('problem_regrade_fail', event_info) diff --git a/common/lib/xmodule/xmodule/tests/test_capa_module.py b/common/lib/xmodule/xmodule/tests/test_capa_module.py index 7cba4a76b3..738f5a49f3 100644 --- a/common/lib/xmodule/xmodule/tests/test_capa_module.py +++ b/common/lib/xmodule/xmodule/tests/test_capa_module.py @@ -19,6 +19,7 @@ from django.http import QueryDict from . import test_system from pytz import UTC +from capa.correctmap import CorrectMap class CapaFactory(object): @@ -597,6 +598,71 @@ class CapaModuleTest(unittest.TestCase): # Expect that the problem was NOT reset self.assertTrue('success' in result and not result['success']) + def test_regrade_problem_correct(self): + + module = CapaFactory.create(attempts=1, done=True) + + # Simulate that all answers are marked correct, no matter + # what the input is, by patching LoncapaResponse.evaluate_answers() + with patch('capa.responsetypes.LoncapaResponse.evaluate_answers') as mock_evaluate_answers: + mock_evaluate_answers.return_value = CorrectMap(CapaFactory.answer_key(), 'correct') + result = module.regrade_problem() + + # Expect that the problem is marked correct + self.assertEqual(result['success'], 'correct') + + # Expect that we get no HTML + self.assertFalse('contents' in result) + + # Expect that the number of attempts is not incremented + self.assertEqual(module.attempts, 1) + + def test_regrade_problem_incorrect(self): + + module = CapaFactory.create(attempts=0, done=True) + + # Simulate that all answers are marked correct, no matter + # what the input is, by patching LoncapaResponse.evaluate_answers() + with patch('capa.responsetypes.LoncapaResponse.evaluate_answers') as mock_evaluate_answers: + mock_evaluate_answers.return_value = CorrectMap(CapaFactory.answer_key(), 'incorrect') + result = module.regrade_problem() + + # Expect that the problem is marked incorrect + self.assertEqual(result['success'], 'incorrect') + + # Expect that the number of attempts is not incremented + self.assertEqual(module.attempts, 0) + + def test_regrade_problem_not_done(self): + # Simulate that the problem is NOT done + module = CapaFactory.create(done=False) + + # Try to regrade the problem, and get exception + with self.assertRaises(xmodule.exceptions.NotFoundError): + module.regrade_problem() + + def test_regrade_problem_error(self): + + # Try each exception that capa_module should handle + for exception_class in [StudentInputError, + LoncapaProblemError, + ResponseError]: + + # Create the module + module = CapaFactory.create(attempts=1, done=True) + + # Simulate answering a problem that raises the exception + with patch('capa.capa_problem.LoncapaProblem.regrade_existing_answers') as mock_regrade: + mock_regrade.side_effect = exception_class('test error') + result = module.regrade_problem() + + # Expect an AJAX alert message in 'success' + expected_msg = 'Error: test error' + self.assertEqual(expected_msg, result['success']) + + # Expect that the number of attempts is NOT incremented + self.assertEqual(module.attempts, 1) + def test_save_problem(self): module = CapaFactory.create(done=False) From 73b25e1f325c998aa3f1725291cef0c699f6ddf1 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Tue, 14 May 2013 01:14:48 -0400 Subject: [PATCH 16/51] Add check for problems that (do not) support regrading. --- common/lib/capa/capa/capa_problem.py | 41 ++++++++++++++++--- common/lib/xmodule/xmodule/capa_module.py | 13 ++++-- .../xmodule/xmodule/tests/test_capa_module.py | 10 +++++ 3 files changed, 55 insertions(+), 9 deletions(-) diff --git a/common/lib/capa/capa/capa_problem.py b/common/lib/capa/capa/capa_problem.py index 1bb3e115b6..5cc27ce573 100644 --- a/common/lib/capa/capa/capa_problem.py +++ b/common/lib/capa/capa/capa_problem.py @@ -230,7 +230,6 @@ class LoncapaProblem(object): if hasattr(the_input, 'ungraded_response'): the_input.ungraded_response(xqueue_msg, queuekey) - def is_queued(self): ''' Returns True if any part of the problem has been submitted to an external queue @@ -238,7 +237,6 @@ class LoncapaProblem(object): ''' return any(self.correct_map.is_queued(answer_id) for answer_id in self.correct_map) - def get_recentmost_queuetime(self): ''' Returns a DateTime object that represents the timestamp of the most recent @@ -256,7 +254,6 @@ class LoncapaProblem(object): return max(queuetimes) - def grade_answers(self, answers): ''' Grade student responses. Called by capa_module.check_problem. @@ -272,6 +269,31 @@ class LoncapaProblem(object): self.student_answers = convert_files_to_filenames(answers) return self._grade_answers(answers) + def supports_regrading(self): + """ + Checks that the current problem definition permits regrading. + + More precisely, it checks that there are no response types in + the current problem that are not fully supported (yet) for regrading. + + This includes responsetypes for which the student's answer + is not properly stored in state, i.e. file submissions. At present, + we have no way to know if an existing response was actually a real + answer or merely the filename of a file submitted as an answer. + + It turns out that because regrading is a background task, limiting + it to responsetypes that don't support file submissions also means + that the responsetypes are synchronous. This is convenient as it + permits regrading to be complete when the regrading call returns. + """ + # We check for synchronous grading and no file submissions by + # screening out all problems with a CodeResponse type. + for responder in self.responders.values(): + if 'filesubmission' in responder.allowed_inputfields: + return False + + return True + def regrade_existing_answers(self): ''' Regrade student responses. Called by capa_module.regrade_problem. @@ -298,14 +320,21 @@ class LoncapaProblem(object): # log.debug('Responders: %s' % self.responders) # Call each responsetype instance to do actual grading for responder in self.responders.values(): - # File objects are passed only if responsetype explicitly allows for file - # submissions + # File objects are passed only if responsetype explicitly allows + # for file submissions. But we have no way of knowing if + # student_answers contains a proper answer or the filename of + # an earlier submission, so for now skip these entirely. # TODO: figure out where to get file submissions when regrading. - if 'filesubmission' in responder.allowed_inputfields and answers is not None: + if 'filesubmission' in responder.allowed_inputfields and answers is None: + raise Exception("Cannot regrade problems with possible file submissions") + + # use 'answers' if it is provided, otherwise use the saved student_answers. + if answers is not None: results = responder.evaluate_answers(answers, oldcmap) else: results = responder.evaluate_answers(self.student_answers, oldcmap) newcmap.update(results) + self.correct_map = newcmap # log.debug('%s: in grade_answers, answers=%s, cmap=%s' % (self,answers,newcmap)) return newcmap diff --git a/common/lib/xmodule/xmodule/capa_module.py b/common/lib/xmodule/xmodule/capa_module.py index 07dfe5e0f7..306fb38d0e 100644 --- a/common/lib/xmodule/xmodule/capa_module.py +++ b/common/lib/xmodule/xmodule/capa_module.py @@ -822,14 +822,21 @@ class CapaModule(CapaFields, XModule): Returns a dict with one key: {'success' : 'correct' | 'incorrect' | AJAX alert msg string } - Raises NotFoundError if called on a problem that has not yet been answered - (since this is avoidable). Returns the error messages for exceptions - occurring while performing the regrading, rather than throwing them. + Raises NotFoundError if called on a problem that has not yet been + answered, or if it's a problem that cannot be regraded. + + Returns the error messages for exceptions occurring while performing + the regrading, rather than throwing them. """ event_info = dict() event_info['state'] = self.lcp.get_state() event_info['problem_id'] = self.location.url() + if not self.lcp.supports_regrading(): + event_info['failure'] = 'unsupported' + self.system.track_function('problem_regrade_fail', event_info) + raise NotFoundError('Problem does not support regrading') + if not self.done: event_info['failure'] = 'unanswered' self.system.track_function('problem_regrade_fail', event_info) diff --git a/common/lib/xmodule/xmodule/tests/test_capa_module.py b/common/lib/xmodule/xmodule/tests/test_capa_module.py index 738f5a49f3..2a31b6478a 100644 --- a/common/lib/xmodule/xmodule/tests/test_capa_module.py +++ b/common/lib/xmodule/xmodule/tests/test_capa_module.py @@ -641,6 +641,16 @@ class CapaModuleTest(unittest.TestCase): with self.assertRaises(xmodule.exceptions.NotFoundError): module.regrade_problem() + def test_regrade_problem_not_supported(self): + # Simulate that the problem is NOT done + module = CapaFactory.create(done=True) + + # Try to regrade the problem, and get exception + with patch('capa.capa_problem.LoncapaProblem.supports_regrading') as mock_supports_regrading: + mock_supports_regrading.return_value = False + with self.assertRaises(xmodule.exceptions.NotFoundError): + module.regrade_problem() + def test_regrade_problem_error(self): # Try each exception that capa_module should handle From 8660c9a7afe4095d4292748f14640f01ebaec11d Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Wed, 15 May 2013 02:10:19 -0400 Subject: [PATCH 17/51] Check descriptor to identify problems that don't support regrading. --- common/lib/xmodule/xmodule/capa_module.py | 4 +-- .../xmodule/xmodule/tests/test_capa_module.py | 5 ++- lms/djangoapps/courseware/task_queue.py | 35 +++++++++++++------ 3 files changed, 29 insertions(+), 15 deletions(-) diff --git a/common/lib/xmodule/xmodule/capa_module.py b/common/lib/xmodule/xmodule/capa_module.py index 306fb38d0e..d0a84e7bd5 100644 --- a/common/lib/xmodule/xmodule/capa_module.py +++ b/common/lib/xmodule/xmodule/capa_module.py @@ -823,7 +823,7 @@ class CapaModule(CapaFields, XModule): {'success' : 'correct' | 'incorrect' | AJAX alert msg string } Raises NotFoundError if called on a problem that has not yet been - answered, or if it's a problem that cannot be regraded. + answered, or NotImplementedError if it's a problem that cannot be regraded. Returns the error messages for exceptions occurring while performing the regrading, rather than throwing them. @@ -835,7 +835,7 @@ class CapaModule(CapaFields, XModule): if not self.lcp.supports_regrading(): event_info['failure'] = 'unsupported' self.system.track_function('problem_regrade_fail', event_info) - raise NotFoundError('Problem does not support regrading') + raise NotImplementedError("Problem's definition does not support regrading") if not self.done: event_info['failure'] = 'unanswered' diff --git a/common/lib/xmodule/xmodule/tests/test_capa_module.py b/common/lib/xmodule/xmodule/tests/test_capa_module.py index 2a31b6478a..8dd1a37595 100644 --- a/common/lib/xmodule/xmodule/tests/test_capa_module.py +++ b/common/lib/xmodule/xmodule/tests/test_capa_module.py @@ -642,13 +642,12 @@ class CapaModuleTest(unittest.TestCase): module.regrade_problem() def test_regrade_problem_not_supported(self): - # Simulate that the problem is NOT done module = CapaFactory.create(done=True) # Try to regrade the problem, and get exception with patch('capa.capa_problem.LoncapaProblem.supports_regrading') as mock_supports_regrading: mock_supports_regrading.return_value = False - with self.assertRaises(xmodule.exceptions.NotFoundError): + with self.assertRaises(NotImplementedError): module.regrade_problem() def test_regrade_problem_error(self): @@ -668,7 +667,7 @@ class CapaModuleTest(unittest.TestCase): # Expect an AJAX alert message in 'success' expected_msg = 'Error: test error' - self.assertEqual(expected_msg, result['success']) + self.assertEqual(result['success'], expected_msg) # Expect that the number of attempts is NOT incremented self.assertEqual(module.attempts, 1) diff --git a/lms/djangoapps/courseware/task_queue.py b/lms/djangoapps/courseware/task_queue.py index 06522d57e5..d846375c27 100644 --- a/lms/djangoapps/courseware/task_queue.py +++ b/lms/djangoapps/courseware/task_queue.py @@ -297,6 +297,26 @@ def _get_task_completion_message(course_task_log_entry): ########### Add task-submission methods here: +def _check_arguments_for_regrading(course_id, problem_url): + """ + Do simple checks on the descriptor to confirm that it supports regrading. + + Confirms first that the problem_url is defined (since that's currently typed + in). An ItemNotFoundException is raised if the corresponding module + descriptor doesn't exist. NotImplementedError is returned if the + corresponding module doesn't support regrading calls. + """ + descriptor = modulestore().get_instance(course_id, problem_url) + supports_regrade = False + if hasattr(descriptor,'module_class'): + module_class = descriptor.module_class + if hasattr(module_class, 'regrade_problem'): + supports_regrade = True + + if not supports_regrade: + msg = "Specified module does not support regrading." + raise NotImplementedError(msg) + def submit_regrade_problem_for_student(request, course_id, problem_url, student): """ @@ -309,10 +329,8 @@ def submit_regrade_problem_for_student(request, course_id, problem_url, student) An exception is thrown if the problem doesn't exist, or if the particular problem is already being regraded for this student. """ - # check arguments: make sure that the problem_url is defined - # (since that's currently typed in). If the corresponding module descriptor doesn't exist, - # an exception will be raised. Let it pass up to the caller. - modulestore().get_instance(course_id, problem_url) + # check arguments: let exceptions return up to the caller. + _check_arguments_for_regrading(course_id, problem_url) task_name = 'regrade_problem' @@ -341,14 +359,11 @@ def submit_regrade_problem_for_all_students(request, course_id, problem_url): An exception is thrown if the problem doesn't exist, or if the particular problem is already being regraded. """ - # check arguments: make sure that the problem_url is defined - # (since that's currently typed in). If the corresponding module descriptor doesn't exist, - # an exception will be raised. Let it pass up to the caller. - modulestore().get_instance(course_id, problem_url) - - task_name = 'regrade_problem' + # check arguments: let exceptions return up to the caller. + _check_arguments_for_regrading(course_id, problem_url) # check to see if task is already running, and reserve it otherwise + task_name = 'regrade_problem' course_task_log = _reserve_task(course_id, task_name, problem_url, request.user) # Submit task: From 8872fbccd2f7d9642a9913a2e5fe60e166913a2c Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Wed, 15 May 2013 17:55:14 -0400 Subject: [PATCH 18/51] Add factory for CourseTaskLog. Add unit tests for regrading at courseware level (task and task_queue). --- lms/djangoapps/courseware/task_queue.py | 24 +- lms/djangoapps/courseware/tests/factories.py | 15 + .../courseware/tests/test_task_queue.py | 278 ++++++++++++++ lms/djangoapps/courseware/tests/test_tasks.py | 340 ++++++++++++++++++ 4 files changed, 652 insertions(+), 5 deletions(-) create mode 100644 lms/djangoapps/courseware/tests/test_task_queue.py create mode 100644 lms/djangoapps/courseware/tests/test_tasks.py diff --git a/lms/djangoapps/courseware/task_queue.py b/lms/djangoapps/courseware/task_queue.py index d846375c27..90cdd7f765 100644 --- a/lms/djangoapps/courseware/task_queue.py +++ b/lms/djangoapps/courseware/task_queue.py @@ -16,6 +16,10 @@ from xmodule.modulestore.django import modulestore log = logging.getLogger(__name__) +class AlreadyRunningError(Exception): + pass + + def get_running_course_tasks(course_id): """ Returns a query of CourseTaskLog objects of running tasks for a given course. @@ -85,7 +89,7 @@ def _reserve_task(course_id, task_name, task_args, requester, student=None): """ if _task_is_running(course_id, task_name, task_args, student): - raise Exception("requested task is already running") + raise AlreadyRunningError("requested task is already running") # Create log entry now, so that future requests won't tasklog_args = {'course_id': course_id, @@ -157,7 +161,7 @@ def _update_course_task_log(course_task_log_entry, task_result): total=returned_result['total'], action_name=returned_result['action_name']) output['message'] = message - log.info("task progress: {0}".format(message)) + log.info("task progress: %s", message) else: log.info("still making progress... ") output['task_progress'] = returned_result @@ -165,7 +169,7 @@ def _update_course_task_log(course_task_log_entry, task_result): elif result_state == 'SUCCESS': output['task_progress'] = returned_result course_task_log_entry.task_progress = json.dumps(returned_result) - log.info("task succeeded: {0}".format(returned_result)) + log.info("task succeeded: %s", returned_result) entry_needs_saving = True elif result_state == 'FAILURE': @@ -175,13 +179,23 @@ def _update_course_task_log(course_task_log_entry, task_result): entry_needs_saving = True task_progress = {'exception': type(exception).__name__, 'message': str(exception.message)} output['message'] = exception.message - log.warning("background task (%s) failed: %s %s".format(task_id, returned_result, traceback)) + log.warning("background task (%s) failed: %s %s", task_id, returned_result, traceback) if result_traceback is not None: output['task_traceback'] = result_traceback task_progress['traceback'] = result_traceback course_task_log_entry.task_progress = json.dumps(task_progress) output['task_progress'] = task_progress + elif result_state == 'REVOKED': + # on revocation, the result's result doesn't contain anything + entry_needs_saving = True + message = 'Task revoked before running' + output['message'] = message + log.warning("background task (%s) revoked.", task_id) + task_progress = {'message': message} + course_task_log_entry.task_progress = json.dumps(task_progress) + output['task_progress'] = task_progress + # always update the entry if the state has changed: if result_state != course_task_log_entry.task_state: course_task_log_entry.task_state = result_state @@ -308,7 +322,7 @@ def _check_arguments_for_regrading(course_id, problem_url): """ descriptor = modulestore().get_instance(course_id, problem_url) supports_regrade = False - if hasattr(descriptor,'module_class'): + if hasattr(descriptor, 'module_class'): module_class = descriptor.module_class if hasattr(module_class, 'regrade_problem'): supports_regrade = True diff --git a/lms/djangoapps/courseware/tests/factories.py b/lms/djangoapps/courseware/tests/factories.py index 26df68ca7e..023cb4ef06 100644 --- a/lms/djangoapps/courseware/tests/factories.py +++ b/lms/djangoapps/courseware/tests/factories.py @@ -10,6 +10,8 @@ from student.tests.factories import CourseEnrollmentAllowedFactory as StudentCou from student.tests.factories import RegistrationFactory as StudentRegistrationFactory from courseware.models import StudentModule, XModuleContentField, XModuleSettingsField from courseware.models import XModuleStudentInfoField, XModuleStudentPrefsField +from courseware.models import CourseTaskLog + from xmodule.modulestore import Location from pytz import UTC @@ -84,3 +86,16 @@ class StudentInfoFactory(DjangoModelFactory): field_name = 'existing_field' value = json.dumps('old_value') student = SubFactory(UserFactory) + + +class CourseTaskLogFactory(DjangoModelFactory): + FACTORY_FOR = CourseTaskLog + + task_name = 'regrade_problem' + course_id = "MITx/999/Robot_Super_Course" + student = SubFactory(UserFactory) + task_args = None + task_id = None + task_state = "QUEUED" + task_progress = None + requester = SubFactory(UserFactory) diff --git a/lms/djangoapps/courseware/tests/test_task_queue.py b/lms/djangoapps/courseware/tests/test_task_queue.py new file mode 100644 index 0000000000..3a20fb237d --- /dev/null +++ b/lms/djangoapps/courseware/tests/test_task_queue.py @@ -0,0 +1,278 @@ +""" +Test for LMS courseware background task queue management +""" +import logging +import json +from mock import Mock, patch +from uuid import uuid4 + +from django.utils.datastructures import MultiValueDict +from django.test.testcases import TestCase + +from xmodule.modulestore.exceptions import ItemNotFoundError + +from courseware.tests.factories import UserFactory, CourseTaskLogFactory +from courseware.task_queue import (get_running_course_tasks, + course_task_log_status, + AlreadyRunningError, + submit_regrade_problem_for_all_students, + submit_regrade_problem_for_student, + submit_reset_problem_attempts_for_all_students, + submit_delete_problem_state_for_all_students) + + +log = logging.getLogger("mitx." + __name__) + + +TEST_FAILURE_MESSAGE = 'task failed horribly' + + +class TaskQueueTestCase(TestCase): + """ + Check that background tasks are properly queued and report status. + """ + student = None + instructor = None + problem_url = None + + def setUp(self): + self.student = UserFactory.create(username="student", email="student@edx.org") + self.instructor = UserFactory.create(username="instructor", email="student@edx.org") + self.problem_url = TaskQueueTestCase.problem_location("test_urlname") + + @staticmethod + def problem_location(problem_url_name): + """ + Create an internal location for a test problem. + """ + if "i4x:" in problem_url_name: + return problem_url_name + else: + return "i4x://{org}/{number}/problem/{problem_url_name}".format(org='edx', + number='1.23x', + problem_url_name=problem_url_name) + + def _create_entry(self, task_state="QUEUED", task_progress=None, student=None): + task_id = str(uuid4()) + progress_json = json.dumps(task_progress) + course_task_log = CourseTaskLogFactory.create(student=student, + requester=self.instructor, + task_args=self.problem_url, + task_id=task_id, + task_state=task_state, + task_progress=progress_json) + return course_task_log + + def _create_failure_entry(self): + # view task entry for task failure + progress = {'message': TEST_FAILURE_MESSAGE, + 'exception': 'RandomCauseError', + } + return self._create_entry(task_state="FAILURE", task_progress=progress) + + def _create_success_entry(self, student=None): + return self._create_progress_entry(student=None, task_state="SUCCESS") + + def _create_progress_entry(self, student=None, task_state="PROGRESS"): + # view task entry for task failure + progress = {'attempted': 3, + 'updated': 2, + 'total': 10, + 'action_name': 'regraded', + 'message': 'some random string that should summarize the other info', + } + return self._create_entry(task_state=task_state, task_progress=progress, student=student) + + def test_fetch_running_tasks(self): + # when fetching running tasks, we get all running tasks, and only running tasks + failure_task_ids = [(self._create_failure_entry()).task_id for _ in range(1, 4)] + entry = self._create_failure_entry() + failure_task_ids.append(entry.task_id) + course_id = entry.course_id # get course_id used by the factory + success_task_ids = [(self._create_success_entry()).task_id for _ in range(1, 5)] + progress_task_ids = [(self._create_progress_entry()).task_id for _ in range(1, 5)] + task_ids = [course_task_log.task_id for course_task_log in get_running_course_tasks(course_id)] + self.assertEquals(len(task_ids), len(progress_task_ids)) + for task_id in task_ids: + self.assertTrue(task_id in progress_task_ids) + self.assertFalse(task_id in success_task_ids) + self.assertFalse(task_id in failure_task_ids) + + def test_course_task_log_status_by_post(self): + # fetch status for existing tasks: by arg is tested elsewhere, + # so test by POST arg + course_task_log = self._create_failure_entry() + task_id = course_task_log.task_id + request = Mock() + request.POST = {} + request.POST['task_id'] = task_id + response = course_task_log_status(request) + output = json.loads(response.content) + self.assertEquals(output['task_id'], task_id) + + def test_course_task_log_status_list_by_post(self): + # Fetch status for existing tasks: by arg is tested elsewhere, + # so test here by POST arg list, as if called from ajax. + # Note that ajax does something funny with the marshalling of + # list data, so the key value has "[]" appended to it. + task_ids = [(self._create_failure_entry()).task_id for _ in range(1, 5)] + request = Mock() + request.POST = MultiValueDict({'task_ids[]': task_ids}) + response = course_task_log_status(request) + output = json.loads(response.content) + for task_id in task_ids: + self.assertEquals(output[task_id]['task_id'], task_id) + + def test_initial_failure(self): + course_task_log = self._create_failure_entry() + task_id = course_task_log.task_id + response = course_task_log_status(Mock(), task_id=task_id) + output = json.loads(response.content) + self.assertEquals(output['task_id'], task_id) + self.assertEquals(output['task_state'], "FAILURE") + self.assertFalse(output['in_progress']) + self.assertEquals(output['message'], TEST_FAILURE_MESSAGE) + + def test_initial_success(self): + course_task_log = self._create_success_entry() + task_id = course_task_log.task_id + response = course_task_log_status(Mock(), task_id=task_id) + output = json.loads(response.content) + self.assertEquals(output['task_id'], task_id) + self.assertEquals(output['task_state'], "SUCCESS") + self.assertFalse(output['in_progress']) + + def test_update_progress_to_progress(self): + # view task entry for task in progress + course_task_log = self._create_progress_entry() + task_id = course_task_log.task_id + mock_result = Mock() + mock_result.task_id = task_id + mock_result.state = "PROGRESS" + mock_result.result = {'attempted': 5, + 'updated': 4, + 'total': 10, + 'action_name': 'regraded'} + with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: + mock_result_ctor.return_value = mock_result + response = course_task_log_status(Mock(), task_id=task_id) + output = json.loads(response.content) + self.assertEquals(output['task_id'], task_id) + self.assertEquals(output['task_state'], "PROGRESS") + self.assertTrue(output['in_progress']) + # self.assertEquals(output['message'], ) + + def test_update_progress_to_failure(self): + # view task entry for task in progress that later fails + course_task_log = self._create_progress_entry() + task_id = course_task_log.task_id + mock_result = Mock() + mock_result.task_id = task_id + mock_result.state = "FAILURE" + mock_result.result = NotImplementedError("This task later failed.") + mock_result.traceback = "random traceback" + with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: + mock_result_ctor.return_value = mock_result + response = course_task_log_status(Mock(), task_id=task_id) + output = json.loads(response.content) + self.assertEquals(output['task_id'], task_id) + self.assertEquals(output['task_state'], "FAILURE") + self.assertFalse(output['in_progress']) + self.assertEquals(output['message'], "This task later failed.") + + def test_update_progress_to_revoked(self): + # view task entry for task in progress that later fails + course_task_log = self._create_progress_entry() + task_id = course_task_log.task_id + mock_result = Mock() + mock_result.task_id = task_id + mock_result.state = "REVOKED" + with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: + mock_result_ctor.return_value = mock_result + response = course_task_log_status(Mock(), task_id=task_id) + output = json.loads(response.content) + self.assertEquals(output['task_id'], task_id) + self.assertEquals(output['task_state'], "REVOKED") + self.assertFalse(output['in_progress']) + self.assertEquals(output['message'], "Task revoked before running") + + def _get_output_for_task_success(self, attempted, updated, total, student=None): + # view task entry for task in progress + course_task_log = self._create_progress_entry(student) + task_id = course_task_log.task_id + mock_result = Mock() + mock_result.task_id = task_id + mock_result.state = "SUCCESS" + mock_result.result = {'attempted': attempted, + 'updated': updated, + 'total': total, + 'action_name': 'regraded'} + with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: + mock_result_ctor.return_value = mock_result + response = course_task_log_status(Mock(), task_id=task_id) + output = json.loads(response.content) + return task_id, output + + def test_update_progress_to_success(self): + task_id, output = self._get_output_for_task_success(10, 8, 10) + self.assertEquals(output['task_id'], task_id) + self.assertEquals(output['task_state'], "SUCCESS") + self.assertFalse(output['in_progress']) + + def test_success_messages(self): + _, output = self._get_output_for_task_success(0, 0, 10) + self.assertTrue("Unable to find any students with submissions to be regraded" in output['message']) + self.assertFalse(output['succeeded']) + + _, output = self._get_output_for_task_success(10, 0, 10) + self.assertTrue("Problem failed to be regraded for any of 10 students " in output['message']) + self.assertFalse(output['succeeded']) + + _, output = self._get_output_for_task_success(10, 8, 10) + self.assertTrue("Problem regraded for 8 of 10 students" in output['message']) + self.assertFalse(output['succeeded']) + + _, output = self._get_output_for_task_success(10, 10, 10) + self.assertTrue("Problem successfully regraded for 10 students" in output['message']) + self.assertTrue(output['succeeded']) + + _, output = self._get_output_for_task_success(0, 0, 1, student=self.student) + self.assertTrue("Unable to find submission to be regraded for student" in output['message']) + self.assertFalse(output['succeeded']) + + _, output = self._get_output_for_task_success(1, 0, 1, student=self.student) + self.assertTrue("Problem failed to be regraded for student" in output['message']) + self.assertFalse(output['succeeded']) + + _, output = self._get_output_for_task_success(1, 1, 1, student=self.student) + self.assertTrue("Problem successfully regraded for student" in output['message']) + self.assertTrue(output['succeeded']) + + def test_submit_nonexistent_modules(self): + # confirm that a regrade of a non-existent module returns an exception + # (Note that it is easier to test a non-regradable module in test_tasks, + # where we are creating real modules. + problem_url = self.problem_url + course_id = "something else" + request = None + with self.assertRaises(ItemNotFoundError): + submit_regrade_problem_for_student(request, course_id, problem_url, self.student) + with self.assertRaises(ItemNotFoundError): + submit_regrade_problem_for_all_students(request, course_id, problem_url) + with self.assertRaises(ItemNotFoundError): + submit_reset_problem_attempts_for_all_students(request, course_id, problem_url) + with self.assertRaises(ItemNotFoundError): + submit_delete_problem_state_for_all_students(request, course_id, problem_url) + + def test_submit_when_running(self): + # get exception when trying to submit a task that is already running + course_task_log = self._create_progress_entry() + problem_url = course_task_log.task_args + course_id = course_task_log.course_id + # requester doesn't have to be the same when determining if a task is already running + request = Mock() + request.user = self.student + with self.assertRaises(AlreadyRunningError): + # just skip making the argument check, so we don't have to fake it deeper down + with patch('courseware.task_queue._check_arguments_for_regrading'): + submit_regrade_problem_for_all_students(request, course_id, problem_url) diff --git a/lms/djangoapps/courseware/tests/test_tasks.py b/lms/djangoapps/courseware/tests/test_tasks.py new file mode 100644 index 0000000000..51f5f4cffc --- /dev/null +++ b/lms/djangoapps/courseware/tests/test_tasks.py @@ -0,0 +1,340 @@ +''' +Test for LMS courseware background tasks +''' +import logging +import json +from mock import Mock, patch + +from django.contrib.auth.models import User +from django.core.urlresolvers import reverse +from django.test.utils import override_settings + +from capa.tests.response_xml_factory import OptionResponseXMLFactory, CodeResponseXMLFactory +from xmodule.modulestore.django import modulestore +from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory +from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase +from xmodule.modulestore.exceptions import ItemNotFoundError +from student.tests.factories import CourseEnrollmentFactory, UserFactory, AdminFactory + +from courseware.model_data import StudentModule +from courseware.task_queue import (submit_regrade_problem_for_all_students, + submit_regrade_problem_for_student, + course_task_log_status) +from courseware.tests.tests import LoginEnrollmentTestCase, TEST_DATA_MONGO_MODULESTORE + + +log = logging.getLogger("mitx." + __name__) + + +TEST_COURSE_ORG = 'edx' +TEST_COURSE_NAME = 'Test Course' +TEST_COURSE_NUMBER = '1.23x' +TEST_SECTION_NAME = "Problem" + + +@override_settings(MODULESTORE=TEST_DATA_MONGO_MODULESTORE) +class TestRegradingBase(LoginEnrollmentTestCase, ModuleStoreTestCase): + """ + Test that all students' answers to a problem can be regraded after the + definition of the problem has been redefined. + """ + course = None + current_user = None + + def initialize_course(self): + """Create a course in the store, with a chapter and section.""" + self.module_store = modulestore() + + # Create the course + self.course = CourseFactory.create(org=TEST_COURSE_ORG, + number=TEST_COURSE_NUMBER, + display_name=TEST_COURSE_NAME) + + # Add a chapter to the course + chapter = ItemFactory.create(parent_location=self.course.location, + display_name=TEST_SECTION_NAME) + + # add a sequence to the course to which the problems can be added + self.problem_section = ItemFactory.create(parent_location=chapter.location, + template='i4x://edx/templates/sequential/Empty', + display_name=TEST_SECTION_NAME) + + @staticmethod + def get_user_email(username): + return '{0}@test.com'.format(username) + + @staticmethod + def get_user_password(username): + return 'test' + + def login_username(self, username): + self.login(TestRegradingBase.get_user_email(username), TestRegradingBase.get_user_password(username)) + self.current_user = username + + def _create_user(self, username, is_staff=False): + email = TestRegradingBase.get_user_email(username) + if (is_staff): + AdminFactory.create(username=username, email=email) + else: + UserFactory.create(username=username, email=email) + thisuser = User.objects.get(username=username) + CourseEnrollmentFactory.create(user=thisuser, course_id=self.course.id) + return thisuser + + def create_instructor(self, username): + return self._create_user(username, is_staff=True) + + def create_student(self, username): + return self._create_user(username, is_staff=False) + + @staticmethod + def problem_location(problem_url_name): + """ + Create an internal location for a test problem. + """ + if "i4x:" in problem_url_name: + return problem_url_name + else: + return "i4x://{org}/{number}/problem/{problem_url_name}".format(org=TEST_COURSE_ORG, + number=TEST_COURSE_NUMBER, + problem_url_name=problem_url_name) + + def define_option_problem(self, problem_url_name): + """Create the problem definition so the answer is Option 1""" + factory = OptionResponseXMLFactory() + factory_args = {'question_text': 'The correct answer is Option 1', + 'options': ['Option 1', 'Option 2'], + 'correct_option': 'Option 1', + 'num_responses': 2} + problem_xml = factory.build_xml(**factory_args) + ItemFactory.create(parent_location=self.problem_section.location, + template="i4x://edx/templates/problem/Blank_Common_Problem", + display_name=str(problem_url_name), + data=problem_xml) + + def redefine_option_problem(self, problem_url_name): + """Change the problem definition so the answer is Option 2""" + factory = OptionResponseXMLFactory() + factory_args = {'question_text': 'The correct answer is Option 2', + 'options': ['Option 1', 'Option 2'], + 'correct_option': 'Option 2', + 'num_responses': 2} + problem_xml = factory.build_xml(**factory_args) + location = TestRegrading.problem_location(problem_url_name) + self.module_store.update_item(location, problem_xml) + + def render_problem(self, username, problem_url_name): + """ + Use ajax interface to request html for a problem. + """ + # make sure that the requested user is logged in, so that the ajax call works + # on the right problem: + if self.current_user != username: + self.login_username(username) + # make ajax call: + modx_url = reverse('modx_dispatch', + kwargs={ + 'course_id': self.course.id, + 'location': TestRegrading.problem_location(problem_url_name), + 'dispatch': 'problem_get', }) + resp = self.client.post(modx_url, {}) + return resp + + def submit_student_answer(self, username, problem_url_name, responses): + """ + Use ajax interface to submit a student answer. + + Assumes the input list of responses has two values. + """ + def get_input_id(response_id): + return 'input_i4x-{0}-{1}-problem-{2}_{3}'.format(TEST_COURSE_ORG.lower(), + TEST_COURSE_NUMBER.replace('.', '_'), + problem_url_name, response_id) + + # make sure that the requested user is logged in, so that the ajax call works + # on the right problem: + if self.current_user != username: + self.login_username(username) + # make ajax call: + modx_url = reverse('modx_dispatch', + kwargs={ + 'course_id': self.course.id, + 'location': TestRegrading.problem_location(problem_url_name), + 'dispatch': 'problem_check', }) + + resp = self.client.post(modx_url, { + get_input_id('2_1'): responses[0], + get_input_id('3_1'): responses[1], + }) + return resp + + def _create_task_request(self, requester_username): + """Generate request that can be used for submitting tasks""" + request = Mock() + request.user = User.objects.get(username=requester_username) + request.get_host = Mock(return_value="testhost") + request.META = {'REMOTE_ADDR': '0:0:0:0', 'SERVER_NAME': 'testhost'} + request.is_secure = Mock(return_value=False) + return request + + def regrade_all_student_answers(self, instructor, problem_url_name): + """Submits the current problem for regrading""" + return submit_regrade_problem_for_all_students(self._create_task_request(instructor), self.course.id, + TestRegradingBase.problem_location(problem_url_name)) + + def regrade_one_student_answer(self, instructor, problem_url_name, student): + """Submits the current problem for regrading for a particular student""" + return submit_regrade_problem_for_student(self._create_task_request(instructor), self.course.id, + TestRegradingBase.problem_location(problem_url_name), + student) + + def show_correct_answer(self, problem_url_name): + modx_url = reverse('modx_dispatch', + kwargs={ + 'course_id': self.course.id, + 'location': TestRegradingBase.problem_location(problem_url_name), + 'dispatch': 'problem_show', }) + return self.client.post(modx_url, {}) + + def get_student_module(self, username, descriptor): + return StudentModule.objects.get(course_id=self.course.id, + student=User.objects.get(username=username), + module_type=descriptor.location.category, + module_state_key=descriptor.location.url(), + ) + + def check_state(self, username, descriptor, expected_score, expected_max_score, expected_attempts): + module = self.get_student_module(username, descriptor) + self.assertEqual(module.grade, expected_score, "Scores were not equal") + self.assertEqual(module.max_grade, expected_max_score, "Max scores were not equal") + state = json.loads(module.state) + attempts = state['attempts'] + self.assertEqual(attempts, expected_attempts, "Attempts were not equal") + if attempts > 0: + self.assertTrue('correct_map' in state) + self.assertTrue('student_answers' in state) + self.assertGreater(len(state['correct_map']), 0) + self.assertGreater(len(state['student_answers']), 0) + + +class TestRegrading(TestRegradingBase): + + def setUp(self): + self.initialize_course() + self.create_instructor('instructor') + self.create_student('u1') + self.create_student('u2') + self.create_student('u3') + self.create_student('u4') + self.logout() + + def testRegradingOptionProblem(self): + '''Run regrade scenario on option problem''' + # get descriptor: + problem_url_name = 'H1P1' + self.define_option_problem(problem_url_name) + location = TestRegrading.problem_location(problem_url_name) + descriptor = self.module_store.get_instance(self.course.id, location) + + # first store answers for each of the separate users: + self.submit_student_answer('u1', problem_url_name, ['Option 1', 'Option 1']) + self.submit_student_answer('u2', problem_url_name, ['Option 1', 'Option 2']) + self.submit_student_answer('u3', problem_url_name, ['Option 2', 'Option 1']) + self.submit_student_answer('u4', problem_url_name, ['Option 2', 'Option 2']) + + self.check_state('u1', descriptor, 2, 2, 1) + self.check_state('u2', descriptor, 1, 2, 1) + self.check_state('u3', descriptor, 1, 2, 1) + self.check_state('u4', descriptor, 0, 2, 1) + + # update the data in the problem definition + self.redefine_option_problem(problem_url_name) + # confirm that simply rendering the problem again does not result in a change + # in the grade: + self.render_problem('u1', problem_url_name) + self.check_state('u1', descriptor, 2, 2, 1) + + # regrade the problem for only one student -- only that student's grade should change: + self.regrade_one_student_answer('instructor', problem_url_name, User.objects.get(username='u1')) + self.check_state('u1', descriptor, 0, 2, 1) + self.check_state('u2', descriptor, 1, 2, 1) + self.check_state('u3', descriptor, 1, 2, 1) + self.check_state('u4', descriptor, 0, 2, 1) + + # regrade the problem for all students + self.regrade_all_student_answers('instructor', problem_url_name) + self.check_state('u1', descriptor, 0, 2, 1) + self.check_state('u2', descriptor, 1, 2, 1) + self.check_state('u3', descriptor, 1, 2, 1) + self.check_state('u4', descriptor, 2, 2, 1) + + def define_code_response_problem(self, problem_url_name): + factory = CodeResponseXMLFactory() + grader_payload = json.dumps({"grader": "ps04/grade_square.py"}) + problem_xml = factory.build_xml(initial_display="def square(x):", + answer_display="answer", + grader_payload=grader_payload, + num_responses=2) + ItemFactory.create(parent_location=self.problem_section.location, + template="i4x://edx/templates/problem/Blank_Common_Problem", + display_name=str(problem_url_name), + data=problem_xml) + + def testRegradingFailure(self): + """Simulate a failure in regrading a problem""" + problem_url_name = 'H1P1' + self.define_option_problem(problem_url_name) + self.submit_student_answer('u1', problem_url_name, ['Option 1', 'Option 1']) + + expected_message = "bad things happened" + with patch('capa.capa_problem.LoncapaProblem.regrade_existing_answers') as mock_regrade: + mock_regrade.side_effect = ZeroDivisionError(expected_message) + course_task_log = self.regrade_all_student_answers('instructor', problem_url_name) + + # check task_log returned + self.assertEqual(course_task_log.task_state, 'FAILURE') + self.assertEqual(course_task_log.student, None) + self.assertEqual(course_task_log.requester.username, 'instructor') + self.assertEqual(course_task_log.task_name, 'regrade_problem') + self.assertEqual(course_task_log.task_args, TestRegrading.problem_location(problem_url_name)) + status = json.loads(course_task_log.task_progress) + self.assertEqual(status['exception'], 'ZeroDivisionError') + self.assertEqual(status['message'], expected_message) + + # check status returned: + mock_request = Mock() + response = course_task_log_status(mock_request, task_id=course_task_log.task_id) + status = json.loads(response.content) + self.assertEqual(status['message'], expected_message) + + def testRegradingNonProblem(self): + """confirm that a non-problem will not submit""" + problem_url_name = self.problem_section.location.url() + with self.assertRaises(NotImplementedError): + self.regrade_all_student_answers('instructor', problem_url_name) + + def testRegradingNonexistentProblem(self): + """confirm that a non-existent problem will not submit""" + problem_url_name = 'NonexistentProblem' + with self.assertRaises(ItemNotFoundError): + self.regrade_all_student_answers('instructor', problem_url_name) + + def testRegradingCodeProblem(self): + '''Run regrade scenario on problem with code submission''' + problem_url_name = 'H1P2' + self.define_code_response_problem(problem_url_name) + # we fully create the CodeResponse problem, but just pretend that we're queuing it: + with patch('capa.xqueue_interface.XQueueInterface.send_to_queue') as mock_send_to_queue: + mock_send_to_queue.return_value = (0, "Successfully queued") + self.submit_student_answer('u1', problem_url_name, ["answer1", "answer2"]) + + course_task_log = self.regrade_all_student_answers('instructor', problem_url_name) + self.assertEqual(course_task_log.task_state, 'FAILURE') + status = json.loads(course_task_log.task_progress) + self.assertEqual(status['exception'], 'NotImplementedError') + self.assertEqual(status['message'], "Problem's definition does not support regrading") + + mock_request = Mock() + response = course_task_log_status(mock_request, task_id=course_task_log.task_id) + status = json.loads(response.content) + self.assertEqual(status['message'], "Problem's definition does not support regrading") From 6cd23875eaf2d5b4d8c8e56e3918a53c09b6128e Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Thu, 16 May 2013 11:52:00 -0400 Subject: [PATCH 19/51] Remove delete button from instructor dash. (Also remove last-modified column from task-in-progress table). --- lms/djangoapps/instructor/views.py | 17 ----------------- .../courseware/instructor_dashboard.html | 2 +- 2 files changed, 1 insertion(+), 18 deletions(-) diff --git a/lms/djangoapps/instructor/views.py b/lms/djangoapps/instructor/views.py index f47be688d0..6698635d9a 100644 --- a/lms/djangoapps/instructor/views.py +++ b/lms/djangoapps/instructor/views.py @@ -259,23 +259,6 @@ def instructor_dashboard(request, course_id): log.error("Encountered exception from reset: {0}".format(e)) msg += 'Failed to create a background task for resetting "{0}": {1}.'.format(problem_url, e.message) - elif "Delete ALL student state for module" in action: - problem_urlname = request.POST.get('problem_for_all_students', '') - problem_url = get_module_url(problem_urlname) - try: - course_task_log_entry = task_queue.submit_delete_problem_state_for_all_students(request, course_id, problem_url) - if course_task_log_entry is None: - msg += 'Failed to create a background task for deleting "{0}".'.format(problem_url) - else: - track_msg = 'delete state for problem {problem} for all students in {course}'.format(problem=problem_url, course=course_id) - track.views.server_track(request, track_msg, {}, page='idashboard') - except ItemNotFoundError as e: - log.error('Failure to delete state: unknown problem "{0}"'.format(e)) - msg += 'Failed to create a background task for deleting state for "{0}": problem not found.'.format(problem_url) - except Exception as e: - log.error("Encountered exception from delete state: {0}".format(e)) - msg += 'Failed to create a background task for deleting state for "{0}": {1}.'.format(problem_url, e.message) - elif "Reset student's attempts" in action or "Delete student state for module" in action \ or "Regrade student's problem submission" in action: # get the form data diff --git a/lms/templates/courseware/instructor_dashboard.html b/lms/templates/courseware/instructor_dashboard.html index c5c7217c0f..87e371c6bf 100644 --- a/lms/templates/courseware/instructor_dashboard.html +++ b/lms/templates/courseware/instructor_dashboard.html @@ -316,7 +316,7 @@ function goto( mode)

These actions run in the background, and status for active tasks will appear in a table below. - To see status for all tasks submitted for this course, click on this button: + To see status for all tasks submitted for this problem, click on this button:

From 297206f260a368f0cfdb0a7c3c5908593f60385e Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Thu, 16 May 2013 19:03:50 -0400 Subject: [PATCH 20/51] Add background task history to instructor dash (as table). Add task-history-per-student button, and fix display of task messages. --- lms/djangoapps/courseware/task_queue.py | 45 ++-- .../courseware/tests/test_task_queue.py | 2 +- lms/djangoapps/instructor/views.py | 239 +++++++++--------- 3 files changed, 139 insertions(+), 147 deletions(-) diff --git a/lms/djangoapps/courseware/task_queue.py b/lms/djangoapps/courseware/task_queue.py index 90cdd7f765..85649c29f2 100644 --- a/lms/djangoapps/courseware/task_queue.py +++ b/lms/djangoapps/courseware/task_queue.py @@ -143,6 +143,8 @@ def _update_course_task_log(course_task_log_entry, task_result): Calculates json to store in task_progress field. """ + # Just pull values out of the result object once. If we check them later, + # the state and result may have changed. task_id = task_result.task_id result_state = task_result.state returned_result = task_result.result @@ -240,39 +242,36 @@ def _get_course_task_log_status(task_id): # define ajax return value: output = {} - # if the task is already known to be done, then there's no reason to query + # if the task is not already known to be done, then we need to query # the underlying task's result object: if course_task_log_entry.task_state not in READY_STATES: - # we need to get information from the task result directly now. - - # Just create the result object, and pull values out once. - # (If we check them later, the state and result may have changed.) result = AsyncResult(task_id) output.update(_update_course_task_log(course_task_log_entry, result)) elif course_task_log_entry.task_progress is not None: # task is already known to have finished, but report on its status: output['task_progress'] = json.loads(course_task_log_entry.task_progress) - if course_task_log_entry.task_state == 'FAILURE': - output['message'] = output['task_progress']['message'] # output basic information matching what's stored in CourseTaskLog: output['task_id'] = course_task_log_entry.task_id output['task_state'] = course_task_log_entry.task_state output['in_progress'] = course_task_log_entry.task_state not in READY_STATES - if course_task_log_entry.task_state == 'SUCCESS': - succeeded, message = _get_task_completion_message(course_task_log_entry) + if course_task_log_entry.task_state in READY_STATES: + succeeded, message = get_task_completion_message(course_task_log_entry) output['message'] = message output['succeeded'] = succeeded return output -def _get_task_completion_message(course_task_log_entry): +def get_task_completion_message(course_task_log_entry): """ Construct progress message from progress information in CourseTaskLog entry. Returns (boolean, message string) duple. + + Used for providing messages to course_task_log_status(), as well as + external calls for providing course task submission history information. """ succeeded = False @@ -281,30 +280,36 @@ def _get_task_completion_message(course_task_log_entry): return (succeeded, "No status information available") task_progress = json.loads(course_task_log_entry.task_progress) + if course_task_log_entry.task_state in ['FAILURE', 'REVOKED']: + return(succeeded, task_progress['message']) + action_name = task_progress['action_name'] num_attempted = task_progress['attempted'] num_updated = task_progress['updated'] - # num_total = task_progress['total'] + num_total = task_progress['total'] if course_task_log_entry.student is not None: if num_attempted == 0: - msg = "Unable to find submission to be {action} for student '{student}' and problem '{problem}'." + msg = "Unable to find submission to be {action} for student '{student}'" elif num_updated == 0: - msg = "Problem failed to be {action} for student '{student}' and problem '{problem}'" + msg = "Problem failed to be {action} for student '{student}'" else: succeeded = True - msg = "Problem successfully {action} for student '{student}' and problem '{problem}'" + msg = "Problem successfully {action} for student '{student}'" elif num_attempted == 0: - msg = "Unable to find any students with submissions to be {action} for problem '{problem}'." + msg = "Unable to find any students with submissions to be {action}" elif num_updated == 0: - msg = "Problem failed to be {action} for any of {attempted} students for problem '{problem}'" + msg = "Problem failed to be {action} for any of {attempted} students" elif num_updated == num_attempted: succeeded = True - msg = "Problem successfully {action} for {attempted} students for problem '{problem}'" + msg = "Problem successfully {action} for {attempted} students" elif num_updated < num_attempted: - msg = "Problem {action} for {updated} of {attempted} students for problem '{problem}'" + msg = "Problem {action} for {updated} of {attempted} students" + + if course_task_log_entry.student is not None and num_attempted != num_total: + msg += " (out of {total})" # Update status in task result object itself: - message = msg.format(action=action_name, updated=num_updated, attempted=num_attempted, + message = msg.format(action=action_name, updated=num_updated, attempted=num_attempted, total=num_total, student=course_task_log_entry.student, problem=course_task_log_entry.task_args) return (succeeded, message) @@ -343,7 +348,7 @@ def submit_regrade_problem_for_student(request, course_id, problem_url, student) An exception is thrown if the problem doesn't exist, or if the particular problem is already being regraded for this student. """ - # check arguments: let exceptions return up to the caller. + # check arguments: let exceptions return up to the caller. _check_arguments_for_regrading(course_id, problem_url) task_name = 'regrade_problem' diff --git a/lms/djangoapps/courseware/tests/test_task_queue.py b/lms/djangoapps/courseware/tests/test_task_queue.py index 3a20fb237d..c1ae1925e1 100644 --- a/lms/djangoapps/courseware/tests/test_task_queue.py +++ b/lms/djangoapps/courseware/tests/test_task_queue.py @@ -225,7 +225,7 @@ class TaskQueueTestCase(TestCase): self.assertFalse(output['succeeded']) _, output = self._get_output_for_task_success(10, 0, 10) - self.assertTrue("Problem failed to be regraded for any of 10 students " in output['message']) + self.assertTrue("Problem failed to be regraded for any of 10 students" in output['message']) self.assertFalse(output['succeeded']) _, output = self._get_output_for_task_success(10, 8, 10) diff --git a/lms/djangoapps/instructor/views.py b/lms/djangoapps/instructor/views.py index 6698635d9a..cde47c4b7a 100644 --- a/lms/djangoapps/instructor/views.py +++ b/lms/djangoapps/instructor/views.py @@ -19,9 +19,12 @@ from django.contrib.auth.models import User, Group from django.http import HttpResponse from django_future.csrf import ensure_csrf_cookie from django.views.decorators.cache import cache_control -from mitxmako.shortcuts import render_to_response from django.core.urlresolvers import reverse +import xmodule.graders as xmgraders +from xmodule.modulestore.django import modulestore +from xmodule.modulestore.exceptions import ItemNotFoundError + from courseware import grades from courseware import task_queue from courseware.access import (has_access, get_access_group_name, @@ -33,14 +36,12 @@ from django_comment_common.models import (Role, FORUM_ROLE_MODERATOR, FORUM_ROLE_COMMUNITY_TA) from django_comment_client.utils import has_forum_access +from instructor.offline_gradecalc import student_grades, offline_grades_available +from mitxmako.shortcuts import render_to_response from psychometrics import psychoanalyze from student.models import CourseEnrollment, CourseEnrollmentAllowed -from xmodule.modulestore.django import modulestore -import xmodule.graders as xmgraders import track.views -from .offline_gradecalc import student_grades, offline_grades_available -from xmodule.modulestore.exceptions import ItemNotFoundError log = logging.getLogger(__name__) @@ -156,6 +157,20 @@ def instructor_dashboard(request, course_id): (org, course_name, _) = course_id.split("/") return "i4x://" + org + "/" + course_name + "/" + urlname + def get_student_from_identifier(unique_student_identifier): + # try to uniquely id student by email address or username + msg = "" + try: + if "@" in unique_student_identifier: + student = User.objects.get(email=unique_student_identifier) + else: + student = User.objects.get(username=unique_student_identifier) + msg += "Found a single student. " + except User.DoesNotExist: + student = None + msg += "Couldn't find student with that email or username. " + return msg, student + # process actions from form POST action = request.POST.get('action', '') use_offline = request.POST.get('use_offline_grades', False) @@ -259,31 +274,49 @@ def instructor_dashboard(request, course_id): log.error("Encountered exception from reset: {0}".format(e)) msg += 'Failed to create a background task for resetting "{0}": {1}.'.format(problem_url, e.message) - elif "Reset student's attempts" in action or "Delete student state for module" in action \ + elif "Show Background Task History for Student" in action: + # put this before the non-student case, since the use of "in" will cause this to be missed + unique_student_identifier = request.POST.get('unique_student_identifier', '') + message, student = get_student_from_identifier(unique_student_identifier) + if student is None: + msg += message + else: + problem_urlname = request.POST.get('problem_for_student', '') + problem_url = get_module_url(problem_urlname) + message, task_datatable = get_background_task_table(course_id, problem_url, student) + msg += message + if task_datatable is not None: + datatable = task_datatable + datatable['title'] = "{course_id} > {location} > {student}".format(course_id=course_id, + location=problem_url, + student=student.username) + + elif "Show Background Task History" in action: + problem_urlname = request.POST.get('problem_for_all_students', '') + problem_url = get_module_url(problem_urlname) + message, task_datatable = get_background_task_table(course_id, problem_url) + msg += message + if task_datatable is not None: + datatable = task_datatable + datatable['title'] = "{course_id} > {location}".format(course_id=course_id, location=problem_url) + + elif "Reset student's attempts" in action \ + or "Delete student state for module" in action \ or "Regrade student's problem submission" in action: # get the form data unique_student_identifier = request.POST.get('unique_student_identifier', '') problem_urlname = request.POST.get('problem_for_student', '') module_state_key = get_module_url(problem_urlname) - # try to uniquely id student by email address or username - try: - if "@" in unique_student_identifier: - student = User.objects.get(email=unique_student_identifier) - else: - student = User.objects.get(username=unique_student_identifier) - msg += "Found a single student. " - except User.DoesNotExist: - student = None - msg += "Couldn't find student with that email or username. " - + message, student = get_student_from_identifier(unique_student_identifier) + msg += message student_module = None if student is not None: # find the module in question try: student_module = StudentModule.objects.get(student_id=student.id, - course_id=course_id, - module_state_key=module_state_key) + course_id=course_id, + module_state_key=module_state_key) msg += "Found module. " except StudentModule.DoesNotExist: msg += "Couldn't find module with that urlname. " @@ -336,22 +369,19 @@ def instructor_dashboard(request, course_id): elif "Get link to student's progress page" in action: unique_student_identifier = request.POST.get('unique_student_identifier', '') - try: - if "@" in unique_student_identifier: - student_to_reset = User.objects.get(email=unique_student_identifier) - else: - student_to_reset = User.objects.get(username=unique_student_identifier) - progress_url = reverse('student_progress', kwargs={'course_id': course_id, 'student_id': student_to_reset.id}) + # try to uniquely id student by email address or username + message, student = get_student_from_identifier(unique_student_identifier) + msg += message + if student is not None: + progress_url = reverse('student_progress', kwargs={'course_id': course_id, 'student_id': student.id}) track.views.server_track(request, '{instructor} requested progress page for {student} in {course}'.format( - student=student_to_reset, + student=student, instructor=request.user, course=course_id), {}, page='idashboard') - msg += " Progress page for username: {1} with email address: {2}.".format(progress_url, student_to_reset.username, student_to_reset.email) - except User.DoesNotExist: - msg += "Couldn't find student with that username. " + msg += " Progress page for username: {1} with email address: {2}.".format(progress_url, student.username, student.email) #---------------------------------------- # export grades to remote gradebook @@ -492,7 +522,7 @@ def instructor_dashboard(request, course_id): if problem_to_dump[-4:] == ".xml": problem_to_dump = problem_to_dump[:-4] try: - (org, course_name, run) = course_id.split("/") + (org, course_name, _) = course_id.split("/") module_state_key = "i4x://" + org + "/" + course_name + "/problem/" + problem_to_dump smdat = StudentModule.objects.filter(course_id=course_id, module_state_key=module_state_key) @@ -1251,99 +1281,56 @@ def dump_grading_context(course): return msg -#def old1testcelery(request): -# """ -# A Simple view that checks if the application can talk to the celery workers -# """ -# args = ('ping',) -# result = tasks.echo.apply_async(args, retry=False) -# value = result.get(timeout=0.5) -# output = { -# 'task_id': result.id, -# 'value': value -# } -# return HttpResponse(json.dumps(output, indent=4)) -# -# -#def old2testcelery(request): -# """ -# A Simple view that checks if the application can talk to the celery workers -# """ -# args = (10,) -# result = tasks.waitawhile.apply_async(args, retry=False) -# while not result.ready(): -# sleep(0.5) # in seconds -# if result.state == "PROGRESS": -# if hasattr(result, 'result') and 'current' in result.result: -# log.info("still waiting... progress at {0} of {1}".format(result.result['current'], result.result['total'])) -# else: -# log.info("still making progress... ") -# if result.successful(): -# value = result.result -# output = { -# 'task_id': result.id, -# 'value': value -# } -# return HttpResponse(json.dumps(output, indent=4)) -# -# -#def testcelery(request): -# """ -# A Simple view that checks if the application can talk to the celery workers -# """ -# args = (10,) -# result = tasks.waitawhile.apply_async(args, retry=False) -# task_id = result.id -# # return the task_id to a template which will set up an ajax call to -# # check the progress of the task. -# return testcelery_status(request, task_id) -## return mitxmako.shortcuts.render_to_response('celery_ajax.html', { -## 'element_id': 'celery_task' -## 'id': self.task_id, -## 'ajax_url': reverse('testcelery_ajax'), -## }) -# -# -#def testcelery_status(request, task_id): -# result = tasks.waitawhile.AsyncResult(task_id) -# while not result.ready(): -# sleep(0.5) # in seconds -# if result.state == "PROGRESS": -# if hasattr(result, 'result') and 'current' in result.result: -# log.info("still waiting... progress at {0} of {1}".format(result.result['current'], result.result['total'])) -# else: -# log.info("still making progress... ") -# if result.successful(): -# value = result.result -# output = { -# 'task_id': result.id, -# 'value': value -# } -# return HttpResponse(json.dumps(output, indent=4)) -# -# -#def celery_task_status(request, task_id): -# # TODO: determine if we need to know the name of the original task, -# # or if this could be any task... Sample code seems to indicate that -# # we could just include the AsyncResult class directly, i.e.: -# # from celery.result import AsyncResult. -# result = tasks.waitawhile.AsyncResult(task_id) -# -# output = { -# 'task_id': result.id, -# 'state': result.state -# } -# -# if result.state == "PROGRESS": -# if hasattr(result, 'result') and 'current' in result.result: -# log.info("still waiting... progress at {0} of {1}".format(result.result['current'], result.result['total'])) -# output['current'] = result.result['current'] -# output['total'] = result.result['total'] -# else: -# log.info("still making progress... ") -# -# if result.successful(): -# value = result.result -# output['value'] = value -# -# return HttpResponse(json.dumps(output, indent=4)) +def get_background_task_table(course_id, problem_url, student=None): + course_tasks = CourseTaskLog.objects.filter(course_id=course_id, task_args=problem_url) + if student is not None: + course_tasks = course_tasks.filter(student=student) + + history_entries = course_tasks.order_by('-id') + datatable = None + msg = "" + # first check to see if there is any history at all + # (note that we don't have to check that the arguments are valid; it + # just won't find any entries.) + if (len(history_entries)) == 0: + if student is not None: + log.debug("Found no background tasks for request: {course}, {problem}, and student {student}".format(course=course_id, problem=problem_url, student=student.username)) + template = 'Failed to find any background tasks for course "{course}", module "{problem}" and student "{student}".' + msg += template.format(course=course_id, problem=problem_url, student=student.username) + else: + log.debug("Found no background tasks for request: {course}, {problem}".format(course=course_id, problem=problem_url)) + msg += 'Failed to find any background tasks for course "{course}" and module "{problem}".'.format(course=course_id, problem=problem_url) + else: + datatable = {} + datatable['header'] = ["Order", + "Task Name", + "Student", + "Task Id", + "Requester", + "Submitted", + "Updated", + "Task State", + "Task Status", + "Message"] + + datatable['data'] = [] + for i, course_task in enumerate(history_entries): + success, message = task_queue.get_task_completion_message(course_task) + if success: + status = "Complete" + else: + status = "Incomplete" + row = ["#{0}".format(len(history_entries) - i), + str(course_task.task_name), + str(course_task.student), + str(course_task.task_id), + str(course_task.requester), + course_task.created.strftime("%Y/%m/%d %H:%M:%S"), + course_task.updated.strftime("%Y/%m/%d %H:%M:%S"), + str(course_task.task_state), + status, + message] + datatable['data'].append(row) + + return msg, datatable + From 1984cfecc13fc65486f751b02969717dbdf1cff5 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Tue, 21 May 2013 17:01:08 -0400 Subject: [PATCH 21/51] Add duration to task status. Add tests for reset-attempts. --- lms/djangoapps/courseware/task_queue.py | 1 + lms/djangoapps/courseware/tasks.py | 32 ++++--- lms/djangoapps/courseware/tests/test_tasks.py | 94 +++++++++++++++++-- lms/djangoapps/instructor/views.py | 13 ++- 4 files changed, 121 insertions(+), 19 deletions(-) diff --git a/lms/djangoapps/courseware/task_queue.py b/lms/djangoapps/courseware/task_queue.py index 85649c29f2..b408dacdc6 100644 --- a/lms/djangoapps/courseware/task_queue.py +++ b/lms/djangoapps/courseware/task_queue.py @@ -224,6 +224,7 @@ def _get_course_task_log_status(task_id): 'updated': number of attempts that "succeeded" 'total': number of possible subtasks to attempt 'action_name': user-visible verb to use in status messages. Should be past-tense. + 'duration_ms': how long the task has (or had) been running. 'task_traceback': optional, returned if task failed and produced a traceback. 'succeeded': on complete tasks, indicates if the task outcome was successful: did it achieve what it set out to do. diff --git a/lms/djangoapps/courseware/tasks.py b/lms/djangoapps/courseware/tasks.py index 3ad3b9a830..af01403e38 100644 --- a/lms/djangoapps/courseware/tasks.py +++ b/lms/djangoapps/courseware/tasks.py @@ -1,19 +1,18 @@ import json -from time import sleep +from time import sleep, time + from django.contrib.auth.models import User from django.db import transaction from celery import task, current_task -# from celery.signals import worker_ready from celery.utils.log import get_task_logger import mitxmako.middleware as middleware from courseware.models import StudentModule from courseware.model_data import ModelDataCache -# from courseware.module_render import get_module from courseware.module_render import get_module_for_descriptor_internal from xmodule.modulestore.django import modulestore @@ -40,14 +39,18 @@ def _update_problem_module_state(course_id, module_state_key, student, update_fc fmt = 'Starting to update problem modules as task "{task_id}": course "{course_id}" problem "{state_key}": nothing {action} yet' task_log.info(fmt.format(task_id=task_id, course_id=course_id, state_key=module_state_key, action=action_name)) + # get start time for task: + start_time = time() + # add task_id to xmodule_instance_args, so that it can be output with tracking info: xmodule_instance_args['task_id'] = task_id - - # add hack so that mako templates will work on celery worker server: - # The initialization of Make templating is usually done when Django is + + # Hack to get mako templates to work on celery worker server's worker thread. + # The initialization of Mako templating is usually done when Django is # initializing middleware packages as part of processing a server request. # When this is run on a celery worker server, no such initialization is - # called. So we look for the result: the defining of the lookup paths + # called. Using @worker_ready.connect doesn't run in the right container. + # So we look for the result: the defining of the lookup paths # for templates. if 'main' not in middleware.lookup: task_log.info("Initializing Mako middleware explicitly") @@ -74,14 +77,16 @@ def _update_problem_module_state(course_id, module_state_key, student, update_fc num_total = len(modules_to_update) # TODO: make this more efficient. Count()? def get_task_progress(): + current_time = time() progress = {'action_name': action_name, 'attempted': num_attempted, 'updated': num_updated, 'total': num_total, + 'start_ms': int(start_time * 1000), + 'duration_ms': int((current_time - start_time) * 1000), } return progress - for module_to_update in modules_to_update: num_attempted += 1 # There is no try here: if there's an error, we let it throw, and the task will @@ -102,7 +107,8 @@ def _update_problem_module_state(course_id, module_state_key, student, update_fc task_progress = get_task_progress() current_task.update_state(state='PROGRESS', meta=task_progress) - task_log.info("Finished processing task") + fmt = 'Finishing task "{task_id}": course "{course_id}" problem "{state_key}": final: {progress}' + task_log.info(fmt.format(task_id=task_id, course_id=course_id, state_key=module_state_key, progress=task_progress)) return task_progress @@ -288,11 +294,15 @@ def delete_problem_state_for_all_students(course_id, problem_url, xmodule_instan xmodule_instance_args=xmodule_instance_args) +# Using @worker_ready.connect was an effort to call middleware initialization +# only once, when the worker was coming up. However, the actual worker task +# was not getting initialized, so it was likely running in a separate process +# from the worker server. #@worker_ready.connect #def initialize_middleware(**kwargs): -# # The initialize Django middleware - some middleware components +# # Initialize Django middleware - some middleware components # # are initialized lazily when the first request is served. Since -# # the celery workers do not serve request, the components never +# # the celery workers do not serve requests, the components never # # get initialized, causing errors in some dependencies. # # In particular, the Mako template middleware is used by some xmodules # task_log.info("Initializing all middleware from worker_ready.connect hook") diff --git a/lms/djangoapps/courseware/tests/test_tasks.py b/lms/djangoapps/courseware/tests/test_tasks.py index 51f5f4cffc..094f1632d2 100644 --- a/lms/djangoapps/courseware/tests/test_tasks.py +++ b/lms/djangoapps/courseware/tests/test_tasks.py @@ -19,7 +19,8 @@ from student.tests.factories import CourseEnrollmentFactory, UserFactory, AdminF from courseware.model_data import StudentModule from courseware.task_queue import (submit_regrade_problem_for_all_students, submit_regrade_problem_for_student, - course_task_log_status) + course_task_log_status, + submit_reset_problem_attempts_for_all_students) from courseware.tests.tests import LoginEnrollmentTestCase, TEST_DATA_MONGO_MODULESTORE @@ -228,7 +229,7 @@ class TestRegrading(TestRegradingBase): self.create_student('u4') self.logout() - def testRegradingOptionProblem(self): + def test_regrading_option_problem(self): '''Run regrade scenario on option problem''' # get descriptor: problem_url_name = 'H1P1' @@ -280,7 +281,7 @@ class TestRegrading(TestRegradingBase): display_name=str(problem_url_name), data=problem_xml) - def testRegradingFailure(self): + def test_regrading_failure(self): """Simulate a failure in regrading a problem""" problem_url_name = 'H1P1' self.define_option_problem(problem_url_name) @@ -307,19 +308,19 @@ class TestRegrading(TestRegradingBase): status = json.loads(response.content) self.assertEqual(status['message'], expected_message) - def testRegradingNonProblem(self): + def test_regrading_non_problem(self): """confirm that a non-problem will not submit""" problem_url_name = self.problem_section.location.url() with self.assertRaises(NotImplementedError): self.regrade_all_student_answers('instructor', problem_url_name) - def testRegradingNonexistentProblem(self): + def test_regrading_nonexistent_problem(self): """confirm that a non-existent problem will not submit""" problem_url_name = 'NonexistentProblem' with self.assertRaises(ItemNotFoundError): self.regrade_all_student_answers('instructor', problem_url_name) - def testRegradingCodeProblem(self): + def test_regrading_code_problem(self): '''Run regrade scenario on problem with code submission''' problem_url_name = 'H1P2' self.define_code_response_problem(problem_url_name) @@ -338,3 +339,84 @@ class TestRegrading(TestRegradingBase): response = course_task_log_status(mock_request, task_id=course_task_log.task_id) status = json.loads(response.content) self.assertEqual(status['message'], "Problem's definition does not support regrading") + + +class TestResetAttempts(TestRegradingBase): + userlist = ['u1', 'u2', 'u3', 'u4'] + + def setUp(self): + self.initialize_course() + self.create_instructor('instructor') + for username in self.userlist: + self.create_student(username) + self.logout() + + def get_num_attempts(self, username, descriptor): + module = self.get_student_module(username, descriptor) + state = json.loads(module.state) + return state['attempts'] + + def reset_problem_attempts(self, instructor, problem_url_name): + """Submits the current problem for resetting""" + return submit_reset_problem_attempts_for_all_students(self._create_task_request(instructor), self.course.id, + TestRegradingBase.problem_location(problem_url_name)) + + def test_reset_attempts_on_problem(self): + '''Run reset-attempts scenario on option problem''' + # get descriptor: + problem_url_name = 'H1P1' + self.define_option_problem(problem_url_name) + location = TestRegradingBase.problem_location(problem_url_name) + descriptor = self.module_store.get_instance(self.course.id, location) + num_attempts = 3 + # first store answers for each of the separate users: + for _ in range(num_attempts): + for username in self.userlist: + self.submit_student_answer(username, problem_url_name, ['Option 1', 'Option 1']) + + for username in self.userlist: + self.assertEquals(self.get_num_attempts(username, descriptor), num_attempts) + + self.reset_problem_attempts('instructor', problem_url_name) + + for username in self.userlist: + self.assertEquals(self.get_num_attempts(username, descriptor), 0) + + def test_reset_failure(self): + """Simulate a failure in resetting attempts on a problem""" + problem_url_name = 'H1P1' + self.define_option_problem(problem_url_name) + self.submit_student_answer('u1', problem_url_name, ['Option 1', 'Option 1']) + + expected_message = "bad things happened" + with patch('courseware.models.StudentModule.save') as mock_save: + mock_save.side_effect = ZeroDivisionError(expected_message) + course_task_log = self.reset_problem_attempts('instructor', problem_url_name) + + # check task_log returned + self.assertEqual(course_task_log.task_state, 'FAILURE') + self.assertEqual(course_task_log.student, None) + self.assertEqual(course_task_log.requester.username, 'instructor') + self.assertEqual(course_task_log.task_name, 'reset_problem_attempts') + self.assertEqual(course_task_log.task_args, TestRegrading.problem_location(problem_url_name)) + status = json.loads(course_task_log.task_progress) + self.assertEqual(status['exception'], 'ZeroDivisionError') + self.assertEqual(status['message'], expected_message) + + # check status returned: + mock_request = Mock() + response = course_task_log_status(mock_request, task_id=course_task_log.task_id) + status = json.loads(response.content) + self.assertEqual(status['message'], expected_message) + + def test_reset_non_problem(self): + """confirm that a non-problem can still be successfully reset""" + problem_url_name = self.problem_section.location.url() + course_task_log = self.reset_problem_attempts('instructor', problem_url_name) + self.assertEqual(course_task_log.task_state, 'SUCCESS') + + def test_reset_nonexistent_problem(self): + """confirm that a non-existent problem will not submit""" + problem_url_name = 'NonexistentProblem' + with self.assertRaises(ItemNotFoundError): + self.reset_problem_attempts('instructor', problem_url_name) diff --git a/lms/djangoapps/instructor/views.py b/lms/djangoapps/instructor/views.py index cde47c4b7a..1aab347f97 100644 --- a/lms/djangoapps/instructor/views.py +++ b/lms/djangoapps/instructor/views.py @@ -1308,25 +1308,34 @@ def get_background_task_table(course_id, problem_url, student=None): "Task Id", "Requester", "Submitted", - "Updated", + "Duration", "Task State", "Task Status", "Message"] datatable['data'] = [] for i, course_task in enumerate(history_entries): + # get duration info, if known: + duration_ms = 'unknown' + if hasattr(course_task, 'task_progress'): + task_progress = json.loads(course_task.task_progress) + if 'duration_ms' in task_progress: + duration_ms = task_progress['duration_ms'] + # get progress status message: success, message = task_queue.get_task_completion_message(course_task) if success: status = "Complete" else: status = "Incomplete" + # generate row for this task: row = ["#{0}".format(len(history_entries) - i), str(course_task.task_name), str(course_task.student), str(course_task.task_id), str(course_task.requester), course_task.created.strftime("%Y/%m/%d %H:%M:%S"), - course_task.updated.strftime("%Y/%m/%d %H:%M:%S"), + duration_ms, + #course_task.updated.strftime("%Y/%m/%d %H:%M:%S"), str(course_task.task_state), status, message] From 616d18e1e3932c7455baca4cfd3e2294858181b7 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Thu, 23 May 2013 12:35:22 -0400 Subject: [PATCH 22/51] Post-rebasing fixes to re-enable masquerading. --- lms/djangoapps/courseware/module_render.py | 8 ++++---- lms/urls.py | 2 +- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/lms/djangoapps/courseware/module_render.py b/lms/djangoapps/courseware/module_render.py index eee085d7e7..86aaf3137a 100644 --- a/lms/djangoapps/courseware/module_render.py +++ b/lms/djangoapps/courseware/module_render.py @@ -183,6 +183,10 @@ def get_module_for_descriptor(user, request, descriptor, model_data_cache, cours See get_module() docstring for further details. """ + # allow course staff to masquerade as student + if has_access(user, descriptor, 'staff', course_id): + setup_masquerade(request, True) + track_function = make_track_function(request) xqueue_callback_url_prefix = get_xqueue_callback_url_prefix(request) @@ -202,10 +206,6 @@ def get_module_for_descriptor_internal(user, descriptor, model_data_cache, cours See get_module() docstring for further details. """ - # allow course staff to masquerade as student - if has_access(user, descriptor, 'staff', course_id): - setup_masquerade(request, True) - # Short circuit--if the user shouldn't have access, bail without doing any work if not has_access(user, descriptor, 'load', course_id): return None diff --git a/lms/urls.py b/lms/urls.py index 60d84d4e74..36fcd15985 100644 --- a/lms/urls.py +++ b/lms/urls.py @@ -58,7 +58,7 @@ urlpatterns = ('', # nopep8 name='auth_password_reset_done'), url(r'^heartbeat$', include('heartbeat.urls')), - url(r'^course_task_log_status/$', 'courseware.tasks.course_task_log_status', name='course_task_log_status'), + url(r'^course_task_log_status/$', 'courseware.task_queue.course_task_log_status', name='course_task_log_status'), ) # University profiles only make sense in the default edX context From 003c9ba5d9617445c35b32e9c020b867558f650b Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Thu, 23 May 2013 18:20:04 -0400 Subject: [PATCH 23/51] Define MITX_FEATURES['ENABLE_COURSE_BACKGROUND_TASKS'] to allow background tasks to be removed from instructor dash. --- lms/djangoapps/instructor/views.py | 34 ++++++++++++++++++++---------- lms/envs/common.py | 5 ++++- 2 files changed, 27 insertions(+), 12 deletions(-) diff --git a/lms/djangoapps/instructor/views.py b/lms/djangoapps/instructor/views.py index 1aab347f97..f6a481f951 100644 --- a/lms/djangoapps/instructor/views.py +++ b/lms/djangoapps/instructor/views.py @@ -20,7 +20,6 @@ from django.http import HttpResponse from django_future.csrf import ensure_csrf_cookie from django.views.decorators.cache import cache_control from django.core.urlresolvers import reverse - import xmodule.graders as xmgraders from xmodule.modulestore.django import modulestore from xmodule.modulestore.exceptions import ItemNotFoundError @@ -721,7 +720,10 @@ def instructor_dashboard(request, course_id): msg += "
Grades from %s" % offline_grades_available(course_id) # generate list of pending background tasks - course_tasks = task_queue.get_running_course_tasks(course_id) + if settings.MITX_FEATURES.get('ENABLE_COURSE_BACKGROUND_TASKS'): + course_tasks = task_queue.get_running_course_tasks(course_id) + else: + course_tasks = None #---------------------------------------- # context for rendering @@ -1211,11 +1213,11 @@ def get_answers_distribution(request, course_id): def compute_course_stats(course): - ''' + """ Compute course statistics, including number of problems, videos, html. course is a CourseDescriptor from the xmodule system. - ''' + """ # walk the course by using get_children() until we come to the leaves; count the # number of different leaf types @@ -1235,10 +1237,10 @@ def compute_course_stats(course): def dump_grading_context(course): - ''' + """ Dump information about course grading context (eg which problems are graded in what assignments) Very useful for debugging grading_policy.json and policy.json - ''' + """ msg = "-----------------------------------------------------------------------------\n" msg += "Course grader:\n" @@ -1262,10 +1264,10 @@ def dump_grading_context(course): msg += "--> Section %s:\n" % (gs) for sec in gsvals: s = sec['section_descriptor'] - format = getattr(s.lms, 'format', None) + grade_format = getattr(s.lms, 'grade_format', None) aname = '' - if format in graders: - g = graders[format] + if grade_format in graders: + g = graders[grade_format] aname = '%s %02d' % (g.short_label, g.index) g.index += 1 elif s.display_name in graders: @@ -1274,7 +1276,7 @@ def dump_grading_context(course): notes = '' if getattr(s, 'score_by_attempt', False): notes = ', score by attempt!' - msg += " %s (format=%s, Assignment=%s%s)\n" % (s.display_name, format, aname, notes) + msg += " %s (grade_format=%s, Assignment=%s%s)\n" % (s.display_name, grade_format, aname, notes) msg += "all descriptors:\n" msg += "length=%d\n" % len(gc['all_descriptors']) msg = '

%s
' % msg.replace('<', '<') @@ -1282,6 +1284,16 @@ def dump_grading_context(course): def get_background_task_table(course_id, problem_url, student=None): + """ + Construct the "datatable" structure to represent background task history. + + Filters the background task history to the specified course and problem. + If a student is provided, filters to only those tasks for which that student + was specified. + + Returns a tuple of (msg, datatable), where the msg is a possible error message, + and the datatable is the datatable to be used for display. + """ course_tasks = CourseTaskLog.objects.filter(course_id=course_id, task_args=problem_url) if student is not None: course_tasks = course_tasks.filter(student=student) @@ -1292,7 +1304,7 @@ def get_background_task_table(course_id, problem_url, student=None): # first check to see if there is any history at all # (note that we don't have to check that the arguments are valid; it # just won't find any entries.) - if (len(history_entries)) == 0: + if (history_entries.count()) == 0: if student is not None: log.debug("Found no background tasks for request: {course}, {problem}, and student {student}".format(course=course_id, problem=problem_url, student=student.username)) template = 'Failed to find any background tasks for course "{course}", module "{problem}" and student "{student}".' diff --git a/lms/envs/common.py b/lms/envs/common.py index ef590a5149..3b795b6089 100644 --- a/lms/envs/common.py +++ b/lms/envs/common.py @@ -122,7 +122,10 @@ MITX_FEATURES = { 'USE_CUSTOM_THEME': False, # Do autoplay videos for students - 'AUTOPLAY_VIDEOS': True + 'AUTOPLAY_VIDEOS': True, + + # Enable instructor dash to submit course-level background tasks + 'ENABLE_COURSE_BACKGROUND_TASKS': True, } # Used for A/B testing From 79a0f6a16bf0a73645954359947215dd8ef7b8f6 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Fri, 24 May 2013 03:21:57 -0400 Subject: [PATCH 24/51] remove call to psychometrics when regrading --- common/lib/xmodule/xmodule/capa_module.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/common/lib/xmodule/xmodule/capa_module.py b/common/lib/xmodule/xmodule/capa_module.py index d0a84e7bd5..f4423d3ce6 100644 --- a/common/lib/xmodule/xmodule/capa_module.py +++ b/common/lib/xmodule/xmodule/capa_module.py @@ -888,8 +888,8 @@ class CapaModule(CapaFields, XModule): self.system.track_function('problem_regrade', event_info) # TODO: figure out if psychometrics should be called on regrading requests - if hasattr(self.system, 'psychometrics_handler'): # update PsychometricsData using callback - self.system.psychometrics_handler(self.get_instance_state()) + # if hasattr(self.system, 'psychometrics_handler'): # update PsychometricsData using callback + # self.system.psychometrics_handler(self.get_state_for_lcp()) return {'success': success} From d37ebea6c07c9b24387012b84f0f0ab11e2c9467 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Fri, 24 May 2013 03:24:44 -0400 Subject: [PATCH 25/51] Add tracking calls to reset (and delete). Add tests for delete. Remove sleep statement used for manual testing. --- lms/djangoapps/courseware/tasks.py | 82 +++++++++++++---- lms/djangoapps/courseware/tests/test_tasks.py | 90 +++++++++++++++++-- 2 files changed, 146 insertions(+), 26 deletions(-) diff --git a/lms/djangoapps/courseware/tasks.py b/lms/djangoapps/courseware/tasks.py index af01403e38..292abc8ba8 100644 --- a/lms/djangoapps/courseware/tasks.py +++ b/lms/djangoapps/courseware/tasks.py @@ -1,30 +1,33 @@ import json -from time import sleep, time - +from time import time from django.contrib.auth.models import User from django.db import transaction - from celery import task, current_task from celery.utils.log import get_task_logger +from xmodule.modulestore.django import modulestore + import mitxmako.middleware as middleware +from track.views import task_track from courseware.models import StudentModule from courseware.model_data import ModelDataCache from courseware.module_render import get_module_for_descriptor_internal -from xmodule.modulestore.django import modulestore - -from track.views import task_track - # define different loggers for use within tasks and on client side task_log = get_task_logger(__name__) class UpdateProblemModuleStateError(Exception): + """ + Error signaling a fatal condition while updating problem modules. + + Used when the current module cannot be processed and that no more + modules should be attempted. + """ pass @@ -33,7 +36,20 @@ def _update_problem_module_state(course_id, module_state_key, student, update_fc """ Performs generic update by visiting StudentModule instances with the update_fcn provided. - If student is None, performs update on modules for all students on the specified problem. + StudentModule instances are those that match the specified `course_id` and `module_state_key`. + If `student` is not None, it is used as an additional filter to limit the modules to those belonging + to that student. If `student` is None, performs update on modules for all students on the specified problem. + + If a `filter_fcn` is not None, it is applied to the query that has been constructed. It takes one + argument, which is the query being filtered. + + The `update_fcn` is called on each StudentModule that passes the resulting filtering. + It is passed three arguments: the module_descriptor for the module pointed to by the + module_state_key, the particular StudentModule to update, and the xmodule_instance_args being + passed through. + + Because this is run internal to a task, it does not catch exceptions. These are allowed to pass up to the + task-running level, so that it can set the failure modes and capture the error trace in the result object. """ task_id = current_task.request.id fmt = 'Starting to update problem modules as task "{task_id}": course "{course_id}" problem "{state_key}": nothing {action} yet' @@ -74,9 +90,10 @@ def _update_problem_module_state(course_id, module_state_key, student, update_fc # perform the main loop num_updated = 0 num_attempted = 0 - num_total = len(modules_to_update) # TODO: make this more efficient. Count()? + num_total = modules_to_update.count() def get_task_progress(): + """Return a dict containing info about current task""" current_time = time() progress = {'action_name': action_name, 'attempted': num_attempted, @@ -101,9 +118,6 @@ def _update_problem_module_state(course_id, module_state_key, student, update_fc # -- may depend on each iteration's duration current_task.update_state(state='PROGRESS', meta=get_task_progress()) - # TODO: remove this once done with manual testing - sleep(5) # in seconds - task_progress = get_task_progress() current_task.update_state(state='PROGRESS', meta=task_progress) @@ -114,6 +128,9 @@ def _update_problem_module_state(course_id, module_state_key, student, update_fc def _update_problem_module_state_for_student(course_id, problem_url, student_identifier, update_fcn, action_name, filter_fcn=None, xmodule_instance_args=None): + """ + Update the StudentModule for a given student. See _update_problem_module_state(). + """ msg = '' success = False # try to uniquely id student by email address or username @@ -131,16 +148,22 @@ def _update_problem_module_state_for_student(course_id, problem_url, student_ide def _update_problem_module_state_for_all_students(course_id, problem_url, update_fcn, action_name, filter_fcn=None, xmodule_instance_args=None): + """ + Update the StudentModule for all students. See _update_problem_module_state(). + """ return _update_problem_module_state(course_id, problem_url, None, update_fcn, action_name, filter_fcn, xmodule_instance_args) def _get_module_instance_for_task(course_id, student, module_descriptor, module_state_key, xmodule_instance_args=None, grade_bucket_type=None): + """ + Fetches a StudentModule instance for a given course_id, student, and module_state_key. + + Includes providing information for creating a track function and an XQueue callback, + but does not require passing in a Request object. + """ # reconstitute the problem's corresponding XModule: model_data_cache = ModelDataCache.cache_for_descriptor_descendents(course_id, student, module_descriptor) - # Note that the request is passed to get_module() to provide xqueue-related URL information -# instance = get_module(student, request, module_state_key, model_data_cache, -# course_id, grade_bucket_type='regrade') # get request-related tracking information from args passthrough, and supplement with task-specific # information: @@ -211,11 +234,13 @@ def _regrade_problem_module_state(module_descriptor, student_module, xmodule_ins def filter_problem_module_state_for_done(modules_to_update): + """Filter to apply for regrading, to limit module instances to those marked as done""" return modules_to_update.filter(state__contains='"done": true') @task def regrade_problem_for_student(course_id, problem_url, student_identifier, xmodule_instance_args): + """Regrades problem `problem_url` in `course_id` for specified student.""" action_name = 'regraded' update_fcn = _regrade_problem_module_state filter_fcn = filter_problem_module_state_for_done @@ -225,8 +250,7 @@ def regrade_problem_for_student(course_id, problem_url, student_identifier, xmod @task def regrade_problem_for_all_students(course_id, problem_url, xmodule_instance_args): -# factory = RequestFactory(**request_environ) -# request = factory.get('/') + """Regrades problem `problem_url` in `course_id` for all students.""" action_name = 'regraded' update_fcn = _regrade_problem_module_state filter_fcn = filter_problem_module_state_for_done @@ -236,8 +260,11 @@ def regrade_problem_for_all_students(course_id, problem_url, xmodule_instance_ar @transaction.autocommit def _reset_problem_attempts_module_state(module_descriptor, student_module, xmodule_instance_args=None): - # modify the problem's state - # load the state json and change state + """ + Resets problem attempts to zero for specified `student_module`. + + Always returns true, if it doesn't throw an exception. + """ problem_state = json.loads(student_module.state) if 'attempts' in problem_state: old_number_of_attempts = problem_state["attempts"] @@ -246,6 +273,13 @@ def _reset_problem_attempts_module_state(module_descriptor, student_module, xmod # convert back to json and save student_module.state = json.dumps(problem_state) student_module.save() + # get request-related tracking information from args passthrough, + # and supplement with task-specific information: + request_info = xmodule_instance_args.get('request_info', {}) if xmodule_instance_args is not None else {} + task_id = xmodule_instance_args['task_id'] if xmodule_instance_args is not None else "unknown-task_id" + task_info = {"student": student_module.student.username, "task_id": task_id} + event_info = {"old_attempts": old_number_of_attempts, "new_attempts": 0} + task_track(request_info, task_info, 'problem_reset_attempts', event_info, page='x_module_task') # consider the reset to be successful, even if no update was performed. (It's just "optimized".) return True @@ -253,6 +287,7 @@ def _reset_problem_attempts_module_state(module_descriptor, student_module, xmod @task def reset_problem_attempts_for_student(course_id, problem_url, student_identifier, xmodule_instance_args): + """Resets problem attempts to zero for `problem_url` in `course_id` for specified student.""" action_name = 'reset' update_fcn = _reset_problem_attempts_module_state return _update_problem_module_state_for_student(course_id, problem_url, student_identifier, @@ -262,6 +297,7 @@ def reset_problem_attempts_for_student(course_id, problem_url, student_identifie @task def reset_problem_attempts_for_all_students(course_id, problem_url, xmodule_instance_args): + """Resets problem attempts to zero for `problem_url` in `course_id` for all students.""" action_name = 'reset' update_fcn = _reset_problem_attempts_module_state return _update_problem_module_state_for_all_students(course_id, problem_url, @@ -273,11 +309,18 @@ def reset_problem_attempts_for_all_students(course_id, problem_url, xmodule_inst def _delete_problem_module_state(module_descriptor, student_module, xmodule_instance_args=None): """Delete the StudentModule entry.""" student_module.delete() + # get request-related tracking information from args passthrough, + # and supplement with task-specific information: + request_info = xmodule_instance_args.get('request_info', {}) if xmodule_instance_args is not None else {} + task_id = xmodule_instance_args['task_id'] if xmodule_instance_args is not None else "unknown-task_id" + task_info = {"student": student_module.student.username, "task_id": task_id} + task_track(request_info, task_info, 'problem_delete_state', {}, page='x_module_task') return True @task def delete_problem_state_for_student(course_id, problem_url, student_ident, xmodule_instance_args): + """Deletes problem state entirely for `problem_url` in `course_id` for specified student.""" action_name = 'deleted' update_fcn = _delete_problem_module_state return _update_problem_module_state_for_student(course_id, problem_url, student_ident, @@ -287,6 +330,7 @@ def delete_problem_state_for_student(course_id, problem_url, student_ident, xmod @task def delete_problem_state_for_all_students(course_id, problem_url, xmodule_instance_args): + """Deletes problem state entirely for `problem_url` in `course_id` for all students.""" action_name = 'deleted' update_fcn = _delete_problem_module_state return _update_problem_module_state_for_all_students(course_id, problem_url, diff --git a/lms/djangoapps/courseware/tests/test_tasks.py b/lms/djangoapps/courseware/tests/test_tasks.py index 094f1632d2..e5b299c3a7 100644 --- a/lms/djangoapps/courseware/tests/test_tasks.py +++ b/lms/djangoapps/courseware/tests/test_tasks.py @@ -1,6 +1,6 @@ -''' +""" Test for LMS courseware background tasks -''' +""" import logging import json from mock import Mock, patch @@ -20,7 +20,8 @@ from courseware.model_data import StudentModule from courseware.task_queue import (submit_regrade_problem_for_all_students, submit_regrade_problem_for_student, course_task_log_status, - submit_reset_problem_attempts_for_all_students) + submit_reset_problem_attempts_for_all_students, + submit_delete_problem_state_for_all_students) from courseware.tests.tests import LoginEnrollmentTestCase, TEST_DATA_MONGO_MODULESTORE @@ -169,7 +170,7 @@ class TestRegradingBase(LoginEnrollmentTestCase, ModuleStoreTestCase): }) return resp - def _create_task_request(self, requester_username): + def create_task_request(self, requester_username): """Generate request that can be used for submitting tasks""" request = Mock() request.user = User.objects.get(username=requester_username) @@ -180,12 +181,12 @@ class TestRegradingBase(LoginEnrollmentTestCase, ModuleStoreTestCase): def regrade_all_student_answers(self, instructor, problem_url_name): """Submits the current problem for regrading""" - return submit_regrade_problem_for_all_students(self._create_task_request(instructor), self.course.id, + return submit_regrade_problem_for_all_students(self.create_task_request(instructor), self.course.id, TestRegradingBase.problem_location(problem_url_name)) def regrade_one_student_answer(self, instructor, problem_url_name, student): """Submits the current problem for regrading for a particular student""" - return submit_regrade_problem_for_student(self._create_task_request(instructor), self.course.id, + return submit_regrade_problem_for_student(self.create_task_request(instructor), self.course.id, TestRegradingBase.problem_location(problem_url_name), student) @@ -358,7 +359,7 @@ class TestResetAttempts(TestRegradingBase): def reset_problem_attempts(self, instructor, problem_url_name): """Submits the current problem for resetting""" - return submit_reset_problem_attempts_for_all_students(self._create_task_request(instructor), self.course.id, + return submit_reset_problem_attempts_for_all_students(self.create_task_request(instructor), self.course.id, TestRegradingBase.problem_location(problem_url_name)) def test_reset_attempts_on_problem(self): @@ -420,3 +421,78 @@ class TestResetAttempts(TestRegradingBase): problem_url_name = 'NonexistentProblem' with self.assertRaises(ItemNotFoundError): self.reset_problem_attempts('instructor', problem_url_name) + + +class TestDeleteProblem(TestRegradingBase): + userlist = ['u1', 'u2', 'u3', 'u4'] + + def setUp(self): + self.initialize_course() + self.create_instructor('instructor') + for username in self.userlist: + self.create_student(username) + self.logout() + + def delete_problem_state(self, instructor, problem_url_name): + """Submits the current problem for deletion""" + return submit_delete_problem_state_for_all_students(self.create_task_request(instructor), self.course.id, + TestRegradingBase.problem_location(problem_url_name)) + + def test_delete_problem_state(self): + '''Run delete-state scenario on option problem''' + # get descriptor: + problem_url_name = 'H1P1' + self.define_option_problem(problem_url_name) + location = TestRegradingBase.problem_location(problem_url_name) + descriptor = self.module_store.get_instance(self.course.id, location) + # first store answers for each of the separate users: + for username in self.userlist: + self.submit_student_answer(username, problem_url_name, ['Option 1', 'Option 1']) + # confirm that state exists: + for username in self.userlist: + self.assertTrue(self.get_student_module(username, descriptor) is not None) + # run delete task: + self.delete_problem_state('instructor', problem_url_name) + # confirm that no state can be found: + for username in self.userlist: + with self.assertRaises(StudentModule.DoesNotExist): + self.get_student_module(username, descriptor) + + def test_delete_failure(self): + """Simulate a failure in deleting state of a problem""" + problem_url_name = 'H1P1' + self.define_option_problem(problem_url_name) + self.submit_student_answer('u1', problem_url_name, ['Option 1', 'Option 1']) + + expected_message = "bad things happened" + with patch('courseware.models.StudentModule.delete') as mock_delete: + mock_delete.side_effect = ZeroDivisionError(expected_message) + course_task_log = self.delete_problem_state('instructor', problem_url_name) + + # check task_log returned + self.assertEqual(course_task_log.task_state, 'FAILURE') + self.assertEqual(course_task_log.student, None) + self.assertEqual(course_task_log.requester.username, 'instructor') + self.assertEqual(course_task_log.task_name, 'delete_problem_state') + self.assertEqual(course_task_log.task_args, TestRegrading.problem_location(problem_url_name)) + status = json.loads(course_task_log.task_progress) + self.assertEqual(status['exception'], 'ZeroDivisionError') + self.assertEqual(status['message'], expected_message) + + # check status returned: + mock_request = Mock() + response = course_task_log_status(mock_request, task_id=course_task_log.task_id) + status = json.loads(response.content) + self.assertEqual(status['message'], expected_message) + + def test_delete_non_problem(self): + """confirm that a non-problem can still be successfully deleted""" + problem_url_name = self.problem_section.location.url() + course_task_log = self.delete_problem_state('instructor', problem_url_name) + self.assertEqual(course_task_log.task_state, 'SUCCESS') + + def test_delete_nonexistent_module(self): + """confirm that a non-existent module will not submit""" + problem_url_name = 'NonexistentProblem' + with self.assertRaises(ItemNotFoundError): + self.delete_problem_state('instructor', problem_url_name) From 9c1881e5d6fc45b354c22e5ba58463e4958e2b7b Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Fri, 24 May 2013 16:37:17 -0400 Subject: [PATCH 26/51] Add unit test to regrade problem using randomization. --- lms/djangoapps/courseware/tests/test_tasks.py | 127 ++++++++++++++++-- 1 file changed, 113 insertions(+), 14 deletions(-) diff --git a/lms/djangoapps/courseware/tests/test_tasks.py b/lms/djangoapps/courseware/tests/test_tasks.py index e5b299c3a7..0d3affd8ef 100644 --- a/lms/djangoapps/courseware/tests/test_tasks.py +++ b/lms/djangoapps/courseware/tests/test_tasks.py @@ -4,12 +4,16 @@ Test for LMS courseware background tasks import logging import json from mock import Mock, patch +import textwrap +import random from django.contrib.auth.models import User from django.core.urlresolvers import reverse from django.test.utils import override_settings -from capa.tests.response_xml_factory import OptionResponseXMLFactory, CodeResponseXMLFactory +from capa.tests.response_xml_factory import (OptionResponseXMLFactory, + CodeResponseXMLFactory, + CustomResponseXMLFactory) from xmodule.modulestore.django import modulestore from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase @@ -220,6 +224,7 @@ class TestRegradingBase(LoginEnrollmentTestCase, ModuleStoreTestCase): class TestRegrading(TestRegradingBase): + """Test regrading problems in a background task.""" def setUp(self): self.initialize_course() @@ -270,18 +275,6 @@ class TestRegrading(TestRegradingBase): self.check_state('u3', descriptor, 1, 2, 1) self.check_state('u4', descriptor, 2, 2, 1) - def define_code_response_problem(self, problem_url_name): - factory = CodeResponseXMLFactory() - grader_payload = json.dumps({"grader": "ps04/grade_square.py"}) - problem_xml = factory.build_xml(initial_display="def square(x):", - answer_display="answer", - grader_payload=grader_payload, - num_responses=2) - ItemFactory.create(parent_location=self.problem_section.location, - template="i4x://edx/templates/problem/Blank_Common_Problem", - display_name=str(problem_url_name), - data=problem_xml) - def test_regrading_failure(self): """Simulate a failure in regrading a problem""" problem_url_name = 'H1P1' @@ -321,8 +314,24 @@ class TestRegrading(TestRegradingBase): with self.assertRaises(ItemNotFoundError): self.regrade_all_student_answers('instructor', problem_url_name) + def define_code_response_problem(self, problem_url_name): + """Define an arbitrary code-response problem. + + We'll end up mocking its evaluation later. + """ + factory = CodeResponseXMLFactory() + grader_payload = json.dumps({"grader": "ps04/grade_square.py"}) + problem_xml = factory.build_xml(initial_display="def square(x):", + answer_display="answer", + grader_payload=grader_payload, + num_responses=2) + ItemFactory.create(parent_location=self.problem_section.location, + template="i4x://edx/templates/problem/Blank_Common_Problem", + display_name=str(problem_url_name), + data=problem_xml) + def test_regrading_code_problem(self): - '''Run regrade scenario on problem with code submission''' + """Run regrade scenario on problem with code submission""" problem_url_name = 'H1P2' self.define_code_response_problem(problem_url_name) # we fully create the CodeResponse problem, but just pretend that we're queuing it: @@ -341,8 +350,97 @@ class TestRegrading(TestRegradingBase): status = json.loads(response.content) self.assertEqual(status['message'], "Problem's definition does not support regrading") + def define_randomized_custom_response_problem(self, problem_url_name, redefine=False): + """ + Defines a custom response problem that uses a random value to determine correctness. + + Generated answer is also returned as the `msg`, so that the value can be used as a + correct answer by a test. + + If the `redefine` flag is set, then change the definition of correctness (from equals + to not-equals). + """ + factory = CustomResponseXMLFactory() + if redefine: + script = textwrap.dedent(""" + def check_func(expect, answer_given): + expected = str(random.randint(0, 100)) + return {'ok': answer_given != expected, 'msg': expected} + """) + else: + script = textwrap.dedent(""" + def check_func(expect, answer_given): + expected = str(random.randint(0, 100)) + return {'ok': answer_given == expected, 'msg': expected} + """) + problem_xml = factory.build_xml(script=script, cfn="check_func", expect="42", num_responses=1) + if redefine: + self.module_store.update_item(TestRegradingBase.problem_location(problem_url_name), problem_xml) + else: + # Use "per-student" rerandomization so that check-problem can be called more than once. + # Using "always" means we cannot check a problem twice, but we want to call once to get the + # correct answer, and call a second time with that answer to confirm it's graded as correct. + # Per-student rerandomization will at least generate different seeds for different users, so + # we get a little more test coverage. + ItemFactory.create(parent_location=self.problem_section.location, + template="i4x://edx/templates/problem/Blank_Common_Problem", + display_name=str(problem_url_name), + data=problem_xml, + metadata={"rerandomize": "per_student"}) + + def test_regrading_randomized_problem(self): + """Run regrade scenario on custom problem that uses randomize""" + # First define the custom response problem: + problem_url_name = 'H1P1' + self.define_randomized_custom_response_problem(problem_url_name) + location = TestRegrading.problem_location(problem_url_name) + descriptor = self.module_store.get_instance(self.course.id, location) + # run with more than one user + userlist = ['u1', 'u2', 'u3', 'u4'] + for username in userlist: + # first render the problem, so that a seed will be created for this user + self.render_problem(username, problem_url_name) + # submit a bogus answer, in order to get the problem to tell us its real answer + dummy_answer = "1000" + self.submit_student_answer(username, problem_url_name, [dummy_answer, dummy_answer]) + # we should have gotten the problem wrong, since we're way out of range: + self.check_state(username, descriptor, 0, 1, 1) + # dig the correct answer out of the problem's message + module = self.get_student_module(username, descriptor) + state = json.loads(module.state) + correct_map = state['correct_map'] + log.info("Correct Map: %s", correct_map) + # only one response, so pull it out: + answer = correct_map[correct_map.keys()[0]]['msg'] + self.submit_student_answer(username, problem_url_name, [answer, answer]) + # we should now get the problem right, with a second attempt: + self.check_state(username, descriptor, 1, 1, 2) + + # redefine the problem (as stored in Mongo) so that the definition of correct changes + self.define_randomized_custom_response_problem(problem_url_name, redefine=True) + # confirm that simply rendering the problem again does not result in a change + # in the grade (or the attempts): + self.render_problem('u1', problem_url_name) + self.check_state('u1', descriptor, 1, 1, 2) + + # regrade the problem for only one student -- only that student's grade should change + # (and none of the attempts): + self.regrade_one_student_answer('instructor', problem_url_name, User.objects.get(username='u1')) + self.check_state('u1', descriptor, 0, 1, 2) + self.check_state('u2', descriptor, 1, 1, 2) + self.check_state('u3', descriptor, 1, 1, 2) + self.check_state('u4', descriptor, 1, 1, 2) + + # regrade the problem for all students + self.regrade_all_student_answers('instructor', problem_url_name) + + # all grades should change to being wrong (with no change in attempts) + for username in userlist: + self.check_state(username, descriptor, 0, 1, 2) + class TestResetAttempts(TestRegradingBase): + """Test resetting problem attempts in a background task.""" userlist = ['u1', 'u2', 'u3', 'u4'] def setUp(self): @@ -424,6 +522,7 @@ class TestResetAttempts(TestRegradingBase): class TestDeleteProblem(TestRegradingBase): + """Test deleting problem state in a background task.""" userlist = ['u1', 'u2', 'u3', 'u4'] def setUp(self): From 3b657d6d36574968a1f315e6f321c3d7cc5a7e2c Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Fri, 24 May 2013 17:41:31 -0400 Subject: [PATCH 27/51] Disable randomized-problem test until bug-fix is merged in. --- lms/djangoapps/courseware/tests/test_tabs.py | 86 +++++++++---------- .../courseware/tests/test_task_queue.py | 4 +- lms/djangoapps/courseware/tests/test_tasks.py | 36 +++----- 3 files changed, 58 insertions(+), 68 deletions(-) diff --git a/lms/djangoapps/courseware/tests/test_tabs.py b/lms/djangoapps/courseware/tests/test_tabs.py index 04c46a7820..e8d57f34af 100644 --- a/lms/djangoapps/courseware/tests/test_tabs.py +++ b/lms/djangoapps/courseware/tests/test_tabs.py @@ -11,21 +11,22 @@ from courseware.tests.tests import TEST_DATA_MONGO_MODULESTORE from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase from xmodule.modulestore.tests.factories import CourseFactory + class ProgressTestCase(TestCase): - def setUp(self): + def setUp(self): - self.mockuser1 = MagicMock() - self.mockuser0 = MagicMock() - self.course = MagicMock() - self.mockuser1.is_authenticated.return_value = True - self.mockuser0.is_authenticated.return_value = False - self.course.id = 'edX/full/6.002_Spring_2012' - self.tab = {'name': 'same'} - self.active_page1 = 'progress' - self.active_page0 = 'stagnation' + self.mockuser1 = MagicMock() + self.mockuser0 = MagicMock() + self.course = MagicMock() + self.mockuser1.is_authenticated.return_value = True + self.mockuser0.is_authenticated.return_value = False + self.course.id = 'edX/full/6.002_Spring_2012' + self.tab = {'name': 'same'} + self.active_page1 = 'progress' + self.active_page0 = 'stagnation' - def test_progress(self): + def test_progress(self): self.assertEqual(tabs._progress(self.tab, self.mockuser0, self.course, self.active_page0), []) @@ -34,8 +35,8 @@ class ProgressTestCase(TestCase): self.active_page1)[0].name, 'same') self.assertEqual(tabs._progress(self.tab, self.mockuser1, self.course, - self.active_page1)[0].link, - reverse('progress', args = [self.course.id])) + self.active_page1)[0].link, + reverse('progress', args=[self.course.id])) self.assertEqual(tabs._progress(self.tab, self.mockuser1, self.course, self.active_page0)[0].is_active, False) @@ -63,15 +64,15 @@ class WikiTestCase(TestCase): 'same') self.assertEqual(tabs._wiki(self.tab, self.user, - self.course, self.active_page1)[0].link, + self.course, self.active_page1)[0].link, reverse('course_wiki', args=[self.course.id])) self.assertEqual(tabs._wiki(self.tab, self.user, - self.course, self.active_page1)[0].is_active, + self.course, self.active_page1)[0].is_active, True) self.assertEqual(tabs._wiki(self.tab, self.user, - self.course, self.active_page0)[0].is_active, + self.course, self.active_page0)[0].is_active, False) @override_settings(WIKI_ENABLED=False) @@ -129,14 +130,13 @@ class StaticTabTestCase(TestCase): self.assertEqual(tabs._static_tab(self.tabby, self.user, self.course, self.active_page1)[0].link, - reverse('static_tab', args = [self.course.id, - self.tabby['url_slug']])) + reverse('static_tab', args=[self.course.id, + self.tabby['url_slug']])) self.assertEqual(tabs._static_tab(self.tabby, self.user, self.course, self.active_page1)[0].is_active, True) - self.assertEqual(tabs._static_tab(self.tabby, self.user, self.course, self.active_page0)[0].is_active, False) @@ -183,7 +183,7 @@ class TextbooksTestCase(TestCase): self.assertEqual(tabs._textbooks(self.tab, self.mockuser1, self.course, self.active_page1)[1].name, - 'Topology') + 'Topology') self.assertEqual(tabs._textbooks(self.tab, self.mockuser1, self.course, self.active_page1)[1].link, @@ -206,6 +206,7 @@ class TextbooksTestCase(TestCase): self.assertEqual(tabs._textbooks(self.tab, self.mockuser0, self.course, self.active_pageX), []) + class KeyCheckerTestCase(TestCase): def setUp(self): @@ -223,39 +224,36 @@ class KeyCheckerTestCase(TestCase): class NullValidatorTestCase(TestCase): - def setUp(self): + def setUp(self): - self.d = {} + self.dummy = {} - def test_null_validator(self): - - self.assertIsNone(tabs.null_validator(self.d)) + def test_null_validator(self): + self.assertIsNone(tabs.null_validator(self.dummy)) class ValidateTabsTestCase(TestCase): def setUp(self): - self.courses = [MagicMock() for i in range(0,5)] + self.courses = [MagicMock() for i in range(0, 5)] self.courses[0].tabs = None - self.courses[1].tabs = [{'type':'courseware'}, {'type': 'fax'}] + self.courses[1].tabs = [{'type': 'courseware'}, {'type': 'fax'}] - self.courses[2].tabs = [{'type':'shadow'}, {'type': 'course_info'}] + self.courses[2].tabs = [{'type': 'shadow'}, {'type': 'course_info'}] - self.courses[3].tabs = [{'type':'courseware'},{'type':'course_info', 'name': 'alice'}, - {'type': 'wiki', 'name':'alice'}, {'type':'discussion', 'name': 'alice'}, - {'type':'external_link', 'name': 'alice', 'link':'blink'}, - {'type':'textbooks'}, {'type':'progress', 'name': 'alice'}, - {'type':'static_tab', 'name':'alice', 'url_slug':'schlug'}, - {'type': 'staff_grading'}] - - self.courses[4].tabs = [{'type':'courseware'},{'type': 'course_info'}, {'type': 'flying'}] + self.courses[3].tabs = [{'type': 'courseware'}, {'type': 'course_info', 'name': 'alice'}, + {'type': 'wiki', 'name': 'alice'}, {'type': 'discussion', 'name': 'alice'}, + {'type': 'external_link', 'name': 'alice', 'link': 'blink'}, + {'type': 'textbooks'}, {'type': 'progress', 'name': 'alice'}, + {'type': 'static_tab', 'name': 'alice', 'url_slug': 'schlug'}, + {'type': 'staff_grading'}] + self.courses[4].tabs = [{'type': 'courseware'}, {'type': 'course_info'}, {'type': 'flying'}] def test_validate_tabs(self): - self.assertIsNone(tabs.validate_tabs(self.courses[0])) self.assertRaises(tabs.InvalidTabsException, tabs.validate_tabs, self.courses[1]) self.assertRaises(tabs.InvalidTabsException, tabs.validate_tabs, self.courses[2]) @@ -268,15 +266,15 @@ class DiscussionLinkTestCase(ModuleStoreTestCase): def setUp(self): self.tabs_with_discussion = [ - {'type':'courseware'}, - {'type':'course_info'}, - {'type':'discussion'}, - {'type':'textbooks'}, + {'type': 'courseware'}, + {'type': 'course_info'}, + {'type': 'discussion'}, + {'type': 'textbooks'}, ] self.tabs_without_discussion = [ - {'type':'courseware'}, - {'type':'course_info'}, - {'type':'textbooks'}, + {'type': 'courseware'}, + {'type': 'course_info'}, + {'type': 'textbooks'}, ] @staticmethod diff --git a/lms/djangoapps/courseware/tests/test_task_queue.py b/lms/djangoapps/courseware/tests/test_task_queue.py index c1ae1925e1..97ad68c9e4 100644 --- a/lms/djangoapps/courseware/tests/test_task_queue.py +++ b/lms/djangoapps/courseware/tests/test_task_queue.py @@ -12,10 +12,10 @@ from django.test.testcases import TestCase from xmodule.modulestore.exceptions import ItemNotFoundError from courseware.tests.factories import UserFactory, CourseTaskLogFactory -from courseware.task_queue import (get_running_course_tasks, +from courseware.task_queue import (get_running_course_tasks, course_task_log_status, AlreadyRunningError, - submit_regrade_problem_for_all_students, + submit_regrade_problem_for_all_students, submit_regrade_problem_for_student, submit_reset_problem_attempts_for_all_students, submit_delete_problem_state_for_all_students) diff --git a/lms/djangoapps/courseware/tests/test_tasks.py b/lms/djangoapps/courseware/tests/test_tasks.py index 0d3affd8ef..1516df3b73 100644 --- a/lms/djangoapps/courseware/tests/test_tasks.py +++ b/lms/djangoapps/courseware/tests/test_tasks.py @@ -5,14 +5,13 @@ import logging import json from mock import Mock, patch import textwrap -import random from django.contrib.auth.models import User from django.core.urlresolvers import reverse from django.test.utils import override_settings -from capa.tests.response_xml_factory import (OptionResponseXMLFactory, - CodeResponseXMLFactory, +from capa.tests.response_xml_factory import (OptionResponseXMLFactory, + CodeResponseXMLFactory, CustomResponseXMLFactory) from xmodule.modulestore.django import modulestore from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory @@ -21,7 +20,7 @@ from xmodule.modulestore.exceptions import ItemNotFoundError from student.tests.factories import CourseEnrollmentFactory, UserFactory, AdminFactory from courseware.model_data import StudentModule -from courseware.task_queue import (submit_regrade_problem_for_all_students, +from courseware.task_queue import (submit_regrade_problem_for_all_students, submit_regrade_problem_for_student, course_task_log_status, submit_reset_problem_attempts_for_all_students, @@ -69,12 +68,8 @@ class TestRegradingBase(LoginEnrollmentTestCase, ModuleStoreTestCase): def get_user_email(username): return '{0}@test.com'.format(username) - @staticmethod - def get_user_password(username): - return 'test' - def login_username(self, username): - self.login(TestRegradingBase.get_user_email(username), TestRegradingBase.get_user_password(username)) + self.login(TestRegradingBase.get_user_email(username), "test") self.current_user = username def _create_user(self, username, is_staff=False): @@ -139,10 +134,9 @@ class TestRegradingBase(LoginEnrollmentTestCase, ModuleStoreTestCase): self.login_username(username) # make ajax call: modx_url = reverse('modx_dispatch', - kwargs={ - 'course_id': self.course.id, - 'location': TestRegrading.problem_location(problem_url_name), - 'dispatch': 'problem_get', }) + kwargs={'course_id': self.course.id, + 'location': TestRegrading.problem_location(problem_url_name), + 'dispatch': 'problem_get', }) resp = self.client.post(modx_url, {}) return resp @@ -163,10 +157,9 @@ class TestRegradingBase(LoginEnrollmentTestCase, ModuleStoreTestCase): self.login_username(username) # make ajax call: modx_url = reverse('modx_dispatch', - kwargs={ - 'course_id': self.course.id, - 'location': TestRegrading.problem_location(problem_url_name), - 'dispatch': 'problem_check', }) + kwargs={'course_id': self.course.id, + 'location': TestRegrading.problem_location(problem_url_name), + 'dispatch': 'problem_check', }) resp = self.client.post(modx_url, { get_input_id('2_1'): responses[0], @@ -196,10 +189,9 @@ class TestRegradingBase(LoginEnrollmentTestCase, ModuleStoreTestCase): def show_correct_answer(self, problem_url_name): modx_url = reverse('modx_dispatch', - kwargs={ - 'course_id': self.course.id, - 'location': TestRegradingBase.problem_location(problem_url_name), - 'dispatch': 'problem_show', }) + kwargs={'course_id': self.course.id, + 'location': TestRegradingBase.problem_location(problem_url_name), + 'dispatch': 'problem_show', }) return self.client.post(modx_url, {}) def get_student_module(self, username, descriptor): @@ -388,7 +380,7 @@ class TestRegrading(TestRegradingBase): data=problem_xml, metadata={"rerandomize": "per_student"}) - def test_regrading_randomized_problem(self): + def WAITING_FOR_SAFEEXEC_FIX_test_regrading_randomized_problem(self): """Run regrade scenario on custom problem that uses randomize""" # First define the custom response problem: problem_url_name = 'H1P1' From c1fff1568e760a7985bf46fb810c12614004ea4c Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Tue, 28 May 2013 14:07:04 -0400 Subject: [PATCH 28/51] reenable psychometrics for regrading --- common/lib/xmodule/xmodule/capa_module.py | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/common/lib/xmodule/xmodule/capa_module.py b/common/lib/xmodule/xmodule/capa_module.py index f4423d3ce6..4e1b72fd7f 100644 --- a/common/lib/xmodule/xmodule/capa_module.py +++ b/common/lib/xmodule/xmodule/capa_module.py @@ -887,9 +887,9 @@ class CapaModule(CapaFields, XModule): event_info['attempts'] = self.attempts self.system.track_function('problem_regrade', event_info) - # TODO: figure out if psychometrics should be called on regrading requests - # if hasattr(self.system, 'psychometrics_handler'): # update PsychometricsData using callback - # self.system.psychometrics_handler(self.get_state_for_lcp()) + # psychometrics should be called on regrading requests in the same way as check-problem + if hasattr(self.system, 'psychometrics_handler'): # update PsychometricsData using callback + self.system.psychometrics_handler(self.get_state_for_lcp()) return {'success': success} From 76773c5bdf689f630b34204e529966c9844deee9 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Thu, 30 May 2013 01:34:27 -0400 Subject: [PATCH 29/51] Change updating of CourseTaskLog to mostly occur in worker thread. --- lms/djangoapps/courseware/task_queue.py | 24 ++-- lms/djangoapps/courseware/tasks.py | 110 +++++++++++++----- lms/djangoapps/courseware/tests/test_tasks.py | 2 +- 3 files changed, 100 insertions(+), 36 deletions(-) diff --git a/lms/djangoapps/courseware/task_queue.py b/lms/djangoapps/courseware/task_queue.py index b408dacdc6..b42abd84d2 100644 --- a/lms/djangoapps/courseware/task_queue.py +++ b/lms/djangoapps/courseware/task_queue.py @@ -111,7 +111,12 @@ def _update_task(course_task_log, task_result): Autocommit annotation makes sure the database entry is committed. """ + # we at least update the entry with the task_id, and for EAGER mode, + # we update other status as well. (For non-EAGER modes, the entry + # should not have changed except for setting PENDING state and the + # addition of the task_id.) _update_course_task_log(course_task_log, task_result) + course_task_log.save() def _get_xmodule_instance_args(request): @@ -169,27 +174,31 @@ def _update_course_task_log(course_task_log_entry, task_result): output['task_progress'] = returned_result elif result_state == 'SUCCESS': - output['task_progress'] = returned_result + # save progress into the entry, even if it's not being saved here -- for EAGER, + # it needs to go back with the entry passed in. course_task_log_entry.task_progress = json.dumps(returned_result) + output['task_progress'] = returned_result log.info("task succeeded: %s", returned_result) - entry_needs_saving = True elif result_state == 'FAILURE': # on failure, the result's result contains the exception that caused the failure exception = returned_result traceback = result_traceback if result_traceback is not None else '' - entry_needs_saving = True task_progress = {'exception': type(exception).__name__, 'message': str(exception.message)} output['message'] = exception.message log.warning("background task (%s) failed: %s %s", task_id, returned_result, traceback) if result_traceback is not None: output['task_traceback'] = result_traceback task_progress['traceback'] = result_traceback + # save progress into the entry, even if it's not being saved -- for EAGER, + # it needs to go back with the entry passed in. course_task_log_entry.task_progress = json.dumps(task_progress) output['task_progress'] = task_progress elif result_state == 'REVOKED': # on revocation, the result's result doesn't contain anything + # but we cannot rely on the worker thread to set this status, + # so we set it here. entry_needs_saving = True message = 'Task revoked before running' output['message'] = message @@ -202,7 +211,6 @@ def _update_course_task_log(course_task_log_entry, task_result): if result_state != course_task_log_entry.task_state: course_task_log_entry.task_state = result_state course_task_log_entry.task_id = task_id - entry_needs_saving = True if entry_needs_saving: course_task_log_entry.save() @@ -358,7 +366,7 @@ def submit_regrade_problem_for_student(request, course_id, problem_url, student) course_task_log = _reserve_task(course_id, task_name, problem_url, request.user, student) # Submit task: - task_args = [course_id, problem_url, student.username, _get_xmodule_instance_args(request)] + task_args = [course_task_log.id, course_id, problem_url, student.username, _get_xmodule_instance_args(request)] task_result = regrade_problem_for_student.apply_async(task_args) # Update info in table with the resulting task_id (and state). @@ -387,7 +395,7 @@ def submit_regrade_problem_for_all_students(request, course_id, problem_url): course_task_log = _reserve_task(course_id, task_name, problem_url, request.user) # Submit task: - task_args = [course_id, problem_url, _get_xmodule_instance_args(request)] + task_args = [course_task_log.id, course_id, problem_url, _get_xmodule_instance_args(request)] task_result = regrade_problem_for_all_students.apply_async(task_args) # Update info in table with the resulting task_id (and state). @@ -419,7 +427,7 @@ def submit_reset_problem_attempts_for_all_students(request, course_id, problem_u course_task_log = _reserve_task(course_id, task_name, problem_url, request.user) # Submit task: - task_args = [course_id, problem_url, _get_xmodule_instance_args(request)] + task_args = [course_task_log.id, course_id, problem_url, _get_xmodule_instance_args(request)] task_result = reset_problem_attempts_for_all_students.apply_async(task_args) # Update info in table with the resulting task_id (and state). @@ -451,7 +459,7 @@ def submit_delete_problem_state_for_all_students(request, course_id, problem_url course_task_log = _reserve_task(course_id, task_name, problem_url, request.user) # Submit task: - task_args = [course_id, problem_url, _get_xmodule_instance_args(request)] + task_args = [course_task_log.id, course_id, problem_url, _get_xmodule_instance_args(request)] task_result = delete_problem_state_for_all_students.apply_async(task_args) # Update info in table with the resulting task_id (and state). diff --git a/lms/djangoapps/courseware/tasks.py b/lms/djangoapps/courseware/tasks.py index 292abc8ba8..911c6d7cd0 100644 --- a/lms/djangoapps/courseware/tasks.py +++ b/lms/djangoapps/courseware/tasks.py @@ -1,6 +1,8 @@ import json from time import time +from sys import exc_info +from traceback import format_exc from django.contrib.auth.models import User from django.db import transaction @@ -12,7 +14,7 @@ from xmodule.modulestore.django import modulestore import mitxmako.middleware as middleware from track.views import task_track -from courseware.models import StudentModule +from courseware.models import StudentModule, CourseTaskLog from courseware.model_data import ModelDataCache from courseware.module_render import get_module_for_descriptor_internal @@ -31,8 +33,8 @@ class UpdateProblemModuleStateError(Exception): pass -def _update_problem_module_state(course_id, module_state_key, student, update_fcn, action_name, filter_fcn, - xmodule_instance_args): +def _update_problem_module_state_internal(course_id, module_state_key, student, update_fcn, action_name, filter_fcn, + xmodule_instance_args): """ Performs generic update by visiting StudentModule instances with the update_fcn provided. @@ -49,18 +51,12 @@ def _update_problem_module_state(course_id, module_state_key, student, update_fc passed through. Because this is run internal to a task, it does not catch exceptions. These are allowed to pass up to the - task-running level, so that it can set the failure modes and capture the error trace in the result object. + next level, so that it can set the failure modes and capture the error trace in the CourseTaskLog and the + result object. """ - task_id = current_task.request.id - fmt = 'Starting to update problem modules as task "{task_id}": course "{course_id}" problem "{state_key}": nothing {action} yet' - task_log.info(fmt.format(task_id=task_id, course_id=course_id, state_key=module_state_key, action=action_name)) - # get start time for task: start_time = time() - # add task_id to xmodule_instance_args, so that it can be output with tracking info: - xmodule_instance_args['task_id'] = task_id - # Hack to get mako templates to work on celery worker server's worker thread. # The initialization of Mako templating is usually done when Django is # initializing middleware packages as part of processing a server request. @@ -119,14 +115,74 @@ def _update_problem_module_state(course_id, module_state_key, student, update_fc current_task.update_state(state='PROGRESS', meta=get_task_progress()) task_progress = get_task_progress() + # update progress without updating the state current_task.update_state(state='PROGRESS', meta=task_progress) + return task_progress + +@transaction.autocommit +def _save_course_task_log_entry(entry): + """Writes CourseTaskLog entry immediately.""" + entry.save() + + +def _update_problem_module_state(entry_id, course_id, module_state_key, student, update_fcn, action_name, filter_fcn, + xmodule_instance_args): + """ + Performs generic update by visiting StudentModule instances with the update_fcn provided. + + See _update_problem_module_state_internal function for more details on arguments. + + The `entry_id` is the primary key for the CourseTaskLog entry representing the task. This function + updates the entry on SUCCESS and FAILURE of the _update_problem_module_state_internal function it + wraps. + + Once exceptions are caught and recorded in the CourseTaskLog entry, they are allowed to pass up to the + task-running level, so that it can also set the failure modes and capture the error trace in the result object. + """ + task_id = current_task.request.id + fmt = 'Starting to update problem modules as task "{task_id}": course "{course_id}" problem "{state_key}": nothing {action} yet' + task_log.info(fmt.format(task_id=task_id, course_id=course_id, state_key=module_state_key, action=action_name)) + + # get the CourseTaskLog to be updated. If this fails, then let the exception return to Celery. + # There's no point in catching it here. + entry = CourseTaskLog.objects.get(pk=entry_id) + + # add task_id to xmodule_instance_args, so that it can be output with tracking info: + xmodule_instance_args['task_id'] = task_id + entry.task_id = task_id + _save_course_task_log_entry(entry) + + # now that we have an entry we can try to catch failures: + task_progress = None + try: + task_progress = _update_problem_module_state_internal(course_id, module_state_key, student, update_fcn, + action_name, filter_fcn, xmodule_instance_args) + except Exception: + # try to write out the failure to the entry before failing + exception_type, exception, traceback = exc_info() + traceback_string = format_exc(traceback) if traceback is not None else '' + task_progress = {'exception': exception_type.__name__, 'message': str(exception.message)} + task_log.warning("background task (%s) failed: %s %s", task_id, exception, traceback_string) + if traceback is not None: + task_progress['traceback'] = traceback_string + entry.task_progress = json.dumps(task_progress) + entry.task_state = 'FAILURE' + _save_course_task_log_entry(entry) + raise + + # if we get here, we assume we've succeeded, so update the CourseTaskLog entry in anticipation: + entry.task_progress = json.dumps(task_progress) + entry.task_state = 'SUCCESS' + _save_course_task_log_entry(entry) + + # log and exit, returning task_progress info as task result: fmt = 'Finishing task "{task_id}": course "{course_id}" problem "{state_key}": final: {progress}' task_log.info(fmt.format(task_id=task_id, course_id=course_id, state_key=module_state_key, progress=task_progress)) return task_progress -def _update_problem_module_state_for_student(course_id, problem_url, student_identifier, +def _update_problem_module_state_for_student(entry_id, course_id, problem_url, student_identifier, update_fcn, action_name, filter_fcn=None, xmodule_instance_args=None): """ Update the StudentModule for a given student. See _update_problem_module_state(). @@ -139,7 +195,7 @@ def _update_problem_module_state_for_student(course_id, problem_url, student_ide student_to_update = User.objects.get(email=student_identifier) elif student_identifier is not None: student_to_update = User.objects.get(username=student_identifier) - return _update_problem_module_state(course_id, problem_url, student_to_update, update_fcn, + return _update_problem_module_state(entry_id, course_id, problem_url, student_to_update, update_fcn, action_name, filter_fcn, xmodule_instance_args) except User.DoesNotExist: msg = "Couldn't find student with that email or username." @@ -147,11 +203,11 @@ def _update_problem_module_state_for_student(course_id, problem_url, student_ide return (success, msg) -def _update_problem_module_state_for_all_students(course_id, problem_url, update_fcn, action_name, filter_fcn=None, xmodule_instance_args=None): +def _update_problem_module_state_for_all_students(entry_id, course_id, problem_url, update_fcn, action_name, filter_fcn=None, xmodule_instance_args=None): """ Update the StudentModule for all students. See _update_problem_module_state(). """ - return _update_problem_module_state(course_id, problem_url, None, update_fcn, action_name, filter_fcn, xmodule_instance_args) + return _update_problem_module_state(entry_id, course_id, problem_url, None, update_fcn, action_name, filter_fcn, xmodule_instance_args) def _get_module_instance_for_task(course_id, student, module_descriptor, module_state_key, xmodule_instance_args=None, @@ -239,22 +295,22 @@ def filter_problem_module_state_for_done(modules_to_update): @task -def regrade_problem_for_student(course_id, problem_url, student_identifier, xmodule_instance_args): +def regrade_problem_for_student(entry_id, course_id, problem_url, student_identifier, xmodule_instance_args): """Regrades problem `problem_url` in `course_id` for specified student.""" action_name = 'regraded' update_fcn = _regrade_problem_module_state filter_fcn = filter_problem_module_state_for_done - return _update_problem_module_state_for_student(course_id, problem_url, student_identifier, + return _update_problem_module_state_for_student(entry_id, course_id, problem_url, student_identifier, update_fcn, action_name, filter_fcn, xmodule_instance_args) @task -def regrade_problem_for_all_students(course_id, problem_url, xmodule_instance_args): +def regrade_problem_for_all_students(entry_id, course_id, problem_url, xmodule_instance_args): """Regrades problem `problem_url` in `course_id` for all students.""" action_name = 'regraded' update_fcn = _regrade_problem_module_state filter_fcn = filter_problem_module_state_for_done - return _update_problem_module_state_for_all_students(course_id, problem_url, update_fcn, action_name, filter_fcn, + return _update_problem_module_state_for_all_students(entry_id, course_id, problem_url, update_fcn, action_name, filter_fcn, xmodule_instance_args) @@ -286,21 +342,21 @@ def _reset_problem_attempts_module_state(module_descriptor, student_module, xmod @task -def reset_problem_attempts_for_student(course_id, problem_url, student_identifier, xmodule_instance_args): +def reset_problem_attempts_for_student(entry_id, course_id, problem_url, student_identifier, xmodule_instance_args): """Resets problem attempts to zero for `problem_url` in `course_id` for specified student.""" action_name = 'reset' update_fcn = _reset_problem_attempts_module_state - return _update_problem_module_state_for_student(course_id, problem_url, student_identifier, + return _update_problem_module_state_for_student(entry_id, course_id, problem_url, student_identifier, update_fcn, action_name, xmodule_instance_args=xmodule_instance_args) @task -def reset_problem_attempts_for_all_students(course_id, problem_url, xmodule_instance_args): +def reset_problem_attempts_for_all_students(entry_id, course_id, problem_url, xmodule_instance_args): """Resets problem attempts to zero for `problem_url` in `course_id` for all students.""" action_name = 'reset' update_fcn = _reset_problem_attempts_module_state - return _update_problem_module_state_for_all_students(course_id, problem_url, + return _update_problem_module_state_for_all_students(entry_id, course_id, problem_url, update_fcn, action_name, xmodule_instance_args=xmodule_instance_args) @@ -319,21 +375,21 @@ def _delete_problem_module_state(module_descriptor, student_module, xmodule_inst @task -def delete_problem_state_for_student(course_id, problem_url, student_ident, xmodule_instance_args): +def delete_problem_state_for_student(entry_id, course_id, problem_url, student_ident, xmodule_instance_args): """Deletes problem state entirely for `problem_url` in `course_id` for specified student.""" action_name = 'deleted' update_fcn = _delete_problem_module_state - return _update_problem_module_state_for_student(course_id, problem_url, student_ident, + return _update_problem_module_state_for_student(entry_id, course_id, problem_url, student_ident, update_fcn, action_name, xmodule_instance_args=xmodule_instance_args) @task -def delete_problem_state_for_all_students(course_id, problem_url, xmodule_instance_args): +def delete_problem_state_for_all_students(entry_id, course_id, problem_url, xmodule_instance_args): """Deletes problem state entirely for `problem_url` in `course_id` for all students.""" action_name = 'deleted' update_fcn = _delete_problem_module_state - return _update_problem_module_state_for_all_students(course_id, problem_url, + return _update_problem_module_state_for_all_students(entry_id, course_id, problem_url, update_fcn, action_name, xmodule_instance_args=xmodule_instance_args) diff --git a/lms/djangoapps/courseware/tests/test_tasks.py b/lms/djangoapps/courseware/tests/test_tasks.py index 1516df3b73..860624416e 100644 --- a/lms/djangoapps/courseware/tests/test_tasks.py +++ b/lms/djangoapps/courseware/tests/test_tasks.py @@ -380,7 +380,7 @@ class TestRegrading(TestRegradingBase): data=problem_xml, metadata={"rerandomize": "per_student"}) - def WAITING_FOR_SAFEEXEC_FIX_test_regrading_randomized_problem(self): + def test_regrading_randomized_problem(self): """Run regrade scenario on custom problem that uses randomize""" # First define the custom response problem: problem_url_name = 'H1P1' From c676cfd64a2a5026329d9a6ce50e44fabfc44ea5 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Sun, 2 Jun 2013 18:31:30 -0400 Subject: [PATCH 30/51] Rename fields in CourseTaskLog, including a task_key column for indexing. Use 'rescore' instead of 'regrade'. Clean up task submission. --- common/lib/capa/capa/capa_problem.py | 20 +- common/lib/xmodule/xmodule/capa_module.py | 28 +-- .../xmodule/xmodule/tests/test_capa_module.py | 32 +-- .../0010_add_courseware_coursetasklog.py | 20 +- lms/djangoapps/courseware/models.py | 39 ++- lms/djangoapps/courseware/task_queue.py | 222 ++++++++++-------- lms/djangoapps/courseware/tasks.py | 153 +++++------- lms/djangoapps/courseware/tests/factories.py | 8 +- .../courseware/tests/test_task_queue.py | 57 ++--- lms/djangoapps/courseware/tests/test_tasks.py | 139 +++++------ lms/djangoapps/instructor/views.py | 56 ++--- .../courseware/instructor_dashboard.html | 16 +- 12 files changed, 390 insertions(+), 400 deletions(-) diff --git a/common/lib/capa/capa/capa_problem.py b/common/lib/capa/capa/capa_problem.py index 5cc27ce573..5e35660f80 100644 --- a/common/lib/capa/capa/capa_problem.py +++ b/common/lib/capa/capa/capa_problem.py @@ -269,22 +269,22 @@ class LoncapaProblem(object): self.student_answers = convert_files_to_filenames(answers) return self._grade_answers(answers) - def supports_regrading(self): + def supports_rescoring(self): """ - Checks that the current problem definition permits regrading. + Checks that the current problem definition permits rescoring. More precisely, it checks that there are no response types in - the current problem that are not fully supported (yet) for regrading. + the current problem that are not fully supported (yet) for rescoring. This includes responsetypes for which the student's answer is not properly stored in state, i.e. file submissions. At present, we have no way to know if an existing response was actually a real answer or merely the filename of a file submitted as an answer. - It turns out that because regrading is a background task, limiting + It turns out that because rescoring is a background task, limiting it to responsetypes that don't support file submissions also means that the responsetypes are synchronous. This is convenient as it - permits regrading to be complete when the regrading call returns. + permits rescoring to be complete when the rescoring call returns. """ # We check for synchronous grading and no file submissions by # screening out all problems with a CodeResponse type. @@ -294,16 +294,16 @@ class LoncapaProblem(object): return True - def regrade_existing_answers(self): + def rescore_existing_answers(self): ''' - Regrade student responses. Called by capa_module.regrade_problem. + Rescore student responses. Called by capa_module.rescore_problem. ''' return self._grade_answers(None) def _grade_answers(self, answers): ''' Internal grading call used for checking new student answers and also - regrading existing student answers. + rescoring existing student answers. answers is a dict of all the entries from request.POST, but with the first part of each key removed (the string before the first "_"). @@ -324,9 +324,9 @@ class LoncapaProblem(object): # for file submissions. But we have no way of knowing if # student_answers contains a proper answer or the filename of # an earlier submission, so for now skip these entirely. - # TODO: figure out where to get file submissions when regrading. + # TODO: figure out where to get file submissions when rescoring. if 'filesubmission' in responder.allowed_inputfields and answers is None: - raise Exception("Cannot regrade problems with possible file submissions") + raise Exception("Cannot rescore problems with possible file submissions") # use 'answers' if it is provided, otherwise use the saved student_answers. if answers is not None: diff --git a/common/lib/xmodule/xmodule/capa_module.py b/common/lib/xmodule/xmodule/capa_module.py index 4e1b72fd7f..c911e1ed58 100644 --- a/common/lib/xmodule/xmodule/capa_module.py +++ b/common/lib/xmodule/xmodule/capa_module.py @@ -812,7 +812,7 @@ class CapaModule(CapaFields, XModule): 'contents': html, } - def regrade_problem(self): + def rescore_problem(self): """ Checks whether the existing answers to a problem are correct. @@ -823,23 +823,23 @@ class CapaModule(CapaFields, XModule): {'success' : 'correct' | 'incorrect' | AJAX alert msg string } Raises NotFoundError if called on a problem that has not yet been - answered, or NotImplementedError if it's a problem that cannot be regraded. + answered, or NotImplementedError if it's a problem that cannot be rescored. Returns the error messages for exceptions occurring while performing - the regrading, rather than throwing them. + the rescoring, rather than throwing them. """ event_info = dict() event_info['state'] = self.lcp.get_state() event_info['problem_id'] = self.location.url() - if not self.lcp.supports_regrading(): + if not self.lcp.supports_rescoring(): event_info['failure'] = 'unsupported' - self.system.track_function('problem_regrade_fail', event_info) - raise NotImplementedError("Problem's definition does not support regrading") + self.system.track_function('problem_rescore_fail', event_info) + raise NotImplementedError("Problem's definition does not support rescoring") if not self.done: event_info['failure'] = 'unanswered' - self.system.track_function('problem_regrade_fail', event_info) + self.system.track_function('problem_rescore_fail', event_info) raise NotFoundError('Problem must be answered before it can be graded again') # get old score, for comparison: @@ -848,20 +848,20 @@ class CapaModule(CapaFields, XModule): event_info['orig_max_score'] = orig_score['total'] try: - correct_map = self.lcp.regrade_existing_answers() - # regrading should have no effect on attempts, so don't + correct_map = self.lcp.rescore_existing_answers() + # rescoring should have no effect on attempts, so don't # need to increment here, or mark done. Just save. self.set_state_from_lcp() except (StudentInputError, ResponseError, LoncapaProblemError) as inst: - log.warning("StudentInputError in capa_module:problem_regrade", exc_info=True) + log.warning("StudentInputError in capa_module:problem_rescore", exc_info=True) event_info['failure'] = 'student_input_error' - self.system.track_function('problem_regrade_fail', event_info) + self.system.track_function('problem_rescore_fail', event_info) return {'success': "Error: {0}".format(inst.message)} except Exception, err: event_info['failure'] = 'unexpected' - self.system.track_function('problem_regrade_fail', event_info) + self.system.track_function('problem_rescore_fail', event_info) if self.system.DEBUG: msg = "Error checking problem: " + str(err) msg += '\nTraceback:\n' + traceback.format_exc() @@ -885,9 +885,9 @@ class CapaModule(CapaFields, XModule): event_info['correct_map'] = correct_map.get_dict() event_info['success'] = success event_info['attempts'] = self.attempts - self.system.track_function('problem_regrade', event_info) + self.system.track_function('problem_rescore', event_info) - # psychometrics should be called on regrading requests in the same way as check-problem + # psychometrics should be called on rescoring requests in the same way as check-problem if hasattr(self.system, 'psychometrics_handler'): # update PsychometricsData using callback self.system.psychometrics_handler(self.get_state_for_lcp()) diff --git a/common/lib/xmodule/xmodule/tests/test_capa_module.py b/common/lib/xmodule/xmodule/tests/test_capa_module.py index 8dd1a37595..32a87d0fd0 100644 --- a/common/lib/xmodule/xmodule/tests/test_capa_module.py +++ b/common/lib/xmodule/xmodule/tests/test_capa_module.py @@ -598,7 +598,7 @@ class CapaModuleTest(unittest.TestCase): # Expect that the problem was NOT reset self.assertTrue('success' in result and not result['success']) - def test_regrade_problem_correct(self): + def test_rescore_problem_correct(self): module = CapaFactory.create(attempts=1, done=True) @@ -606,7 +606,7 @@ class CapaModuleTest(unittest.TestCase): # what the input is, by patching LoncapaResponse.evaluate_answers() with patch('capa.responsetypes.LoncapaResponse.evaluate_answers') as mock_evaluate_answers: mock_evaluate_answers.return_value = CorrectMap(CapaFactory.answer_key(), 'correct') - result = module.regrade_problem() + result = module.rescore_problem() # Expect that the problem is marked correct self.assertEqual(result['success'], 'correct') @@ -617,7 +617,7 @@ class CapaModuleTest(unittest.TestCase): # Expect that the number of attempts is not incremented self.assertEqual(module.attempts, 1) - def test_regrade_problem_incorrect(self): + def test_rescore_problem_incorrect(self): module = CapaFactory.create(attempts=0, done=True) @@ -625,7 +625,7 @@ class CapaModuleTest(unittest.TestCase): # what the input is, by patching LoncapaResponse.evaluate_answers() with patch('capa.responsetypes.LoncapaResponse.evaluate_answers') as mock_evaluate_answers: mock_evaluate_answers.return_value = CorrectMap(CapaFactory.answer_key(), 'incorrect') - result = module.regrade_problem() + result = module.rescore_problem() # Expect that the problem is marked incorrect self.assertEqual(result['success'], 'incorrect') @@ -633,24 +633,24 @@ class CapaModuleTest(unittest.TestCase): # Expect that the number of attempts is not incremented self.assertEqual(module.attempts, 0) - def test_regrade_problem_not_done(self): + def test_rescore_problem_not_done(self): # Simulate that the problem is NOT done module = CapaFactory.create(done=False) - # Try to regrade the problem, and get exception + # Try to rescore the problem, and get exception with self.assertRaises(xmodule.exceptions.NotFoundError): - module.regrade_problem() + module.rescore_problem() - def test_regrade_problem_not_supported(self): + def test_rescore_problem_not_supported(self): module = CapaFactory.create(done=True) - # Try to regrade the problem, and get exception - with patch('capa.capa_problem.LoncapaProblem.supports_regrading') as mock_supports_regrading: - mock_supports_regrading.return_value = False + # Try to rescore the problem, and get exception + with patch('capa.capa_problem.LoncapaProblem.supports_rescoring') as mock_supports_rescoring: + mock_supports_rescoring.return_value = False with self.assertRaises(NotImplementedError): - module.regrade_problem() + module.rescore_problem() - def test_regrade_problem_error(self): + def test_rescore_problem_error(self): # Try each exception that capa_module should handle for exception_class in [StudentInputError, @@ -661,9 +661,9 @@ class CapaModuleTest(unittest.TestCase): module = CapaFactory.create(attempts=1, done=True) # Simulate answering a problem that raises the exception - with patch('capa.capa_problem.LoncapaProblem.regrade_existing_answers') as mock_regrade: - mock_regrade.side_effect = exception_class('test error') - result = module.regrade_problem() + with patch('capa.capa_problem.LoncapaProblem.rescore_existing_answers') as mock_rescore: + mock_rescore.side_effect = exception_class('test error') + result = module.rescore_problem() # Expect an AJAX alert message in 'success' expected_msg = 'Error: test error' diff --git a/lms/djangoapps/courseware/migrations/0010_add_courseware_coursetasklog.py b/lms/djangoapps/courseware/migrations/0010_add_courseware_coursetasklog.py index 345eebb535..6889cad7fd 100644 --- a/lms/djangoapps/courseware/migrations/0010_add_courseware_coursetasklog.py +++ b/lms/djangoapps/courseware/migrations/0010_add_courseware_coursetasklog.py @@ -11,14 +11,14 @@ class Migration(SchemaMigration): # Adding model 'CourseTaskLog' db.create_table('courseware_coursetasklog', ( ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)), - ('task_name', self.gf('django.db.models.fields.CharField')(max_length=50, db_index=True)), + ('task_type', self.gf('django.db.models.fields.CharField')(max_length=50, db_index=True)), ('course_id', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)), - ('student', self.gf('django.db.models.fields.related.ForeignKey')(related_name='+', null=True, to=orm['auth.User'])), - ('task_args', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)), + ('task_key', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)), + ('task_input', self.gf('django.db.models.fields.CharField')(max_length=255)), ('task_id', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)), ('task_state', self.gf('django.db.models.fields.CharField')(max_length=50, null=True, db_index=True)), - ('task_progress', self.gf('django.db.models.fields.CharField')(max_length=1024, null=True, db_index=True)), - ('requester', self.gf('django.db.models.fields.related.ForeignKey')(related_name='+', to=orm['auth.User'])), + ('task_output', self.gf('django.db.models.fields.CharField')(max_length=1024, null=True)), + ('requester', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['auth.User'])), ('created', self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, null=True, db_index=True, blank=True)), ('updated', self.gf('django.db.models.fields.DateTimeField')(auto_now=True, db_index=True, blank=True)), )) @@ -72,13 +72,13 @@ class Migration(SchemaMigration): 'course_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}), 'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'null': 'True', 'db_index': 'True', 'blank': 'True'}), 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), - 'requester': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'+'", 'to': "orm['auth.User']"}), - 'student': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'+'", 'null': 'True', 'to': "orm['auth.User']"}), - 'task_args': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}), + 'requester': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}), 'task_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}), - 'task_name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}), - 'task_progress': ('django.db.models.fields.CharField', [], {'max_length': '1024', 'null': 'True', 'db_index': 'True'}), + 'task_input': ('django.db.models.fields.CharField', [], {'max_length': '255'}), + 'task_key': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}), + 'task_output': ('django.db.models.fields.CharField', [], {'max_length': '1024', 'null': 'True'}), 'task_state': ('django.db.models.fields.CharField', [], {'max_length': '50', 'null': 'True', 'db_index': 'True'}), + 'task_type': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}), 'updated': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}) }, 'courseware.offlinecomputedgrade': { diff --git a/lms/djangoapps/courseware/models.py b/lms/djangoapps/courseware/models.py index 4700bcfb0b..7e9a716005 100644 --- a/lms/djangoapps/courseware/models.py +++ b/lms/djangoapps/courseware/models.py @@ -4,9 +4,9 @@ WE'RE USING MIGRATIONS! If you make changes to this model, be sure to create an appropriate migration file and check it in at the same time as your model changes. To do that, -1. Go to the mitx dir +1. Go to the edx-platform dir 2. ./manage.py schemamigration courseware --auto description_of_your_change -3. Add the migration file created in mitx/courseware/migrations/ +3. Add the migration file created in edx-platform/lms/djangoapps/courseware/migrations/ ASSUMPTIONS: modules have unique IDs, even across different module_types @@ -269,28 +269,43 @@ class CourseTaskLog(models.Model): """ Stores information about background tasks that have been submitted to perform course-specific work. - Examples include grading and regrading. + Examples include grading and rescoring. + + `task_type` identifies the kind of task being performed, e.g. rescoring. + `course_id` uses the course run's unique id to identify the course. + `task_input` stores input arguments as JSON-serialized dict, for reporting purposes. + Examples include url of problem being rescored, id of student if only one student being rescored. + `task_key` stores relevant input arguments encoded into key value for testing to see + if the task is already running (together with task_type and course_id). + + `task_id` stores the id used by celery for the background task. + `task_state` stores the last known state of the celery task + `task_output` stores the output of the celery task. + Format is a JSON-serialized dict. Content varies by task_type and task_state. + + `requester` stores id of user who submitted the task + `created` stores date that entry was first created + `updated` stores date that entry was last modified """ - task_name = models.CharField(max_length=50, db_index=True) + task_type = models.CharField(max_length=50, db_index=True) course_id = models.CharField(max_length=255, db_index=True) - student = models.ForeignKey(User, null=True, db_index=True, related_name='+') # optional: None = task applies to all students - task_args = models.CharField(max_length=255, db_index=True) + task_key = models.CharField(max_length=255, db_index=True) + task_input = models.CharField(max_length=255) task_id = models.CharField(max_length=255, db_index=True) # max_length from celery_taskmeta task_state = models.CharField(max_length=50, null=True, db_index=True) # max_length from celery_taskmeta - task_progress = models.CharField(max_length=1024, null=True, db_index=True) - requester = models.ForeignKey(User, db_index=True, related_name='+') + task_output = models.CharField(max_length=1024, null=True) + requester = models.ForeignKey(User, db_index=True) created = models.DateTimeField(auto_now_add=True, null=True, db_index=True) updated = models.DateTimeField(auto_now=True, db_index=True) def __repr__(self): return 'CourseTaskLog<%r>' % ({ - 'task_name': self.task_name, + 'task_type': self.task_type, 'course_id': self.course_id, - 'student': self.student.username, - 'task_args': self.task_args, + 'task_input': self.task_input, 'task_id': self.task_id, 'task_state': self.task_state, - 'task_progress': self.task_progress, + 'task_output': self.task_output, },) def __unicode__(self): diff --git a/lms/djangoapps/courseware/task_queue.py b/lms/djangoapps/courseware/task_queue.py index b42abd84d2..37b9270b46 100644 --- a/lms/djangoapps/courseware/task_queue.py +++ b/lms/djangoapps/courseware/task_queue.py @@ -8,8 +8,8 @@ from celery.states import READY_STATES from courseware.models import CourseTaskLog from courseware.module_render import get_xqueue_callback_url_prefix -from courseware.tasks import (regrade_problem_for_all_students, regrade_problem_for_student, - reset_problem_attempts_for_all_students, delete_problem_state_for_all_students) +from courseware.tasks import (rescore_problem, + reset_problem_attempts, delete_problem_state) from xmodule.modulestore.django import modulestore @@ -32,6 +32,17 @@ def get_running_course_tasks(course_id): return course_tasks +def get_course_task_history(course_id, problem_url, student=None): + """ + Returns a query of CourseTaskLog objects of historical tasks for a given course, + that match a particular problem and optionally a student. + """ + _, task_key = _encode_problem_and_student_input(problem_url, student) + + course_tasks = CourseTaskLog.objects.filter(course_id=course_id, task_key=task_key) + return course_tasks.order_by('-id') + + def course_task_log_status(request, task_id=None): """ This returns the status of a course-related task as a JSON-serialized dict. @@ -68,18 +79,16 @@ def course_task_log_status(request, task_id=None): return HttpResponse(json.dumps(output, indent=4)) -def _task_is_running(course_id, task_name, task_args, student=None): +def _task_is_running(course_id, task_type, task_key): """Checks if a particular task is already running""" - runningTasks = CourseTaskLog.objects.filter(course_id=course_id, task_name=task_name, task_args=task_args) - if student is not None: - runningTasks = runningTasks.filter(student=student) + runningTasks = CourseTaskLog.objects.filter(course_id=course_id, task_type=task_type, task_key=task_key) for state in READY_STATES: runningTasks = runningTasks.exclude(task_state=state) return len(runningTasks) > 0 @transaction.autocommit -def _reserve_task(course_id, task_name, task_args, requester, student=None): +def _reserve_task(course_id, task_type, task_key, task_input, requester): """ Creates a database entry to indicate that a task is in progress. @@ -88,17 +97,16 @@ def _reserve_task(course_id, task_name, task_args, requester, student=None): Autocommit annotation makes sure the database entry is committed. """ - if _task_is_running(course_id, task_name, task_args, student): + if _task_is_running(course_id, task_type, task_key): raise AlreadyRunningError("requested task is already running") - # Create log entry now, so that future requests won't + # Create log entry now, so that future requests won't: no task_id yet.... tasklog_args = {'course_id': course_id, - 'task_name': task_name, - 'task_args': task_args, + 'task_type': task_type, + 'task_key': task_key, + 'task_input': json.dumps(task_input), 'task_state': 'QUEUING', 'requester': requester} - if student is not None: - tasklog_args['student'] = student course_task_log = CourseTaskLog.objects.create(**tasklog_args) return course_task_log @@ -176,7 +184,7 @@ def _update_course_task_log(course_task_log_entry, task_result): elif result_state == 'SUCCESS': # save progress into the entry, even if it's not being saved here -- for EAGER, # it needs to go back with the entry passed in. - course_task_log_entry.task_progress = json.dumps(returned_result) + course_task_log_entry.task_output = json.dumps(returned_result) output['task_progress'] = returned_result log.info("task succeeded: %s", returned_result) @@ -192,7 +200,7 @@ def _update_course_task_log(course_task_log_entry, task_result): task_progress['traceback'] = result_traceback # save progress into the entry, even if it's not being saved -- for EAGER, # it needs to go back with the entry passed in. - course_task_log_entry.task_progress = json.dumps(task_progress) + course_task_log_entry.task_output = json.dumps(task_progress) output['task_progress'] = task_progress elif result_state == 'REVOKED': @@ -204,7 +212,7 @@ def _update_course_task_log(course_task_log_entry, task_result): output['message'] = message log.warning("background task (%s) revoked.", task_id) task_progress = {'message': message} - course_task_log_entry.task_progress = json.dumps(task_progress) + course_task_log_entry.task_output = json.dumps(task_progress) output['task_progress'] = task_progress # always update the entry if the state has changed: @@ -249,28 +257,28 @@ def _get_course_task_log_status(task_id): return None # define ajax return value: - output = {} + status = {} # if the task is not already known to be done, then we need to query # the underlying task's result object: if course_task_log_entry.task_state not in READY_STATES: result = AsyncResult(task_id) - output.update(_update_course_task_log(course_task_log_entry, result)) - elif course_task_log_entry.task_progress is not None: + status.update(_update_course_task_log(course_task_log_entry, result)) + elif course_task_log_entry.task_output is not None: # task is already known to have finished, but report on its status: - output['task_progress'] = json.loads(course_task_log_entry.task_progress) + status['task_progress'] = json.loads(course_task_log_entry.task_output) - # output basic information matching what's stored in CourseTaskLog: - output['task_id'] = course_task_log_entry.task_id - output['task_state'] = course_task_log_entry.task_state - output['in_progress'] = course_task_log_entry.task_state not in READY_STATES + # status basic information matching what's stored in CourseTaskLog: + status['task_id'] = course_task_log_entry.task_id + status['task_state'] = course_task_log_entry.task_state + status['in_progress'] = course_task_log_entry.task_state not in READY_STATES if course_task_log_entry.task_state in READY_STATES: succeeded, message = get_task_completion_message(course_task_log_entry) - output['message'] = message - output['succeeded'] = succeeded + status['message'] = message + status['succeeded'] = succeeded - return output + return status def get_task_completion_message(course_task_log_entry): @@ -284,19 +292,26 @@ def get_task_completion_message(course_task_log_entry): """ succeeded = False - if course_task_log_entry.task_progress is None: - log.warning("No task_progress information found for course_task {0}".format(course_task_log_entry.task_id)) + if course_task_log_entry.task_output is None: + log.warning("No task_output information found for course_task {0}".format(course_task_log_entry.task_id)) return (succeeded, "No status information available") - task_progress = json.loads(course_task_log_entry.task_progress) + task_output = json.loads(course_task_log_entry.task_output) if course_task_log_entry.task_state in ['FAILURE', 'REVOKED']: - return(succeeded, task_progress['message']) + return(succeeded, task_output['message']) - action_name = task_progress['action_name'] - num_attempted = task_progress['attempted'] - num_updated = task_progress['updated'] - num_total = task_progress['total'] - if course_task_log_entry.student is not None: + action_name = task_output['action_name'] + num_attempted = task_output['attempted'] + num_updated = task_output['updated'] + num_total = task_output['total'] + + if course_task_log_entry.task_input is None: + log.warning("No task_input information found for course_task {0}".format(course_task_log_entry.task_id)) + return (succeeded, "No status information available") + task_input = json.loads(course_task_log_entry.task_input) + problem_url = task_input.get('problem_url', None) + student = task_input.get('student', None) + if student is not None: if num_attempted == 0: msg = "Unable to find submission to be {action} for student '{student}'" elif num_updated == 0: @@ -314,60 +329,64 @@ def get_task_completion_message(course_task_log_entry): elif num_updated < num_attempted: msg = "Problem {action} for {updated} of {attempted} students" - if course_task_log_entry.student is not None and num_attempted != num_total: + if student is not None and num_attempted != num_total: msg += " (out of {total})" # Update status in task result object itself: message = msg.format(action=action_name, updated=num_updated, attempted=num_attempted, total=num_total, - student=course_task_log_entry.student, problem=course_task_log_entry.task_args) + student=student, problem=problem_url) return (succeeded, message) ########### Add task-submission methods here: -def _check_arguments_for_regrading(course_id, problem_url): +def _check_arguments_for_rescoring(course_id, problem_url): """ - Do simple checks on the descriptor to confirm that it supports regrading. + Do simple checks on the descriptor to confirm that it supports rescoring. Confirms first that the problem_url is defined (since that's currently typed in). An ItemNotFoundException is raised if the corresponding module descriptor doesn't exist. NotImplementedError is returned if the - corresponding module doesn't support regrading calls. + corresponding module doesn't support rescoring calls. """ descriptor = modulestore().get_instance(course_id, problem_url) - supports_regrade = False + supports_rescore = False if hasattr(descriptor, 'module_class'): module_class = descriptor.module_class - if hasattr(module_class, 'regrade_problem'): - supports_regrade = True + if hasattr(module_class, 'rescore_problem'): + supports_rescore = True - if not supports_regrade: - msg = "Specified module does not support regrading." + if not supports_rescore: + msg = "Specified module does not support rescoring." raise NotImplementedError(msg) -def submit_regrade_problem_for_student(request, course_id, problem_url, student): +def _encode_problem_and_student_input(problem_url, student=None): """ - Request a problem to be regraded as a background task. + Encode problem_url and optional student into task_key and task_input values. - The problem will be regraded for the specified student only. Parameters are the `course_id`, - the `problem_url`, and the `student` as a User object. - The url must specify the location of the problem, using i4x-type notation. - - An exception is thrown if the problem doesn't exist, or if the particular - problem is already being regraded for this student. + `problem_url` is full URL of the problem. + `student` is the user object of the student """ - # check arguments: let exceptions return up to the caller. - _check_arguments_for_regrading(course_id, problem_url) + if student is not None: + task_input = {'problem_url': problem_url, 'student': student.username} + task_key = "{student}_{problem}".format(student=student.id, problem=problem_url) + else: + task_input = {'problem_url': problem_url} + task_key = "{student}_{problem}".format(student="", problem=problem_url) - task_name = 'regrade_problem' + return task_input, task_key - # check to see if task is already running, and reserve it otherwise - course_task_log = _reserve_task(course_id, task_name, problem_url, request.user, student) - # Submit task: - task_args = [course_task_log.id, course_id, problem_url, student.username, _get_xmodule_instance_args(request)] - task_result = regrade_problem_for_student.apply_async(task_args) +def _submit_task(request, task_type, task_class, course_id, task_input, task_key): + """ + """ + # check to see if task is already running, and reserve it otherwise: + course_task_log = _reserve_task(course_id, task_type, task_key, task_input, request.user) + + # submit task: + task_args = [course_task_log.id, course_id, task_input, _get_xmodule_instance_args(request)] + task_result = task_class.apply_async(task_args) # Update info in table with the resulting task_id (and state). _update_task(course_task_log, task_result) @@ -375,33 +394,46 @@ def submit_regrade_problem_for_student(request, course_id, problem_url, student) return course_task_log -def submit_regrade_problem_for_all_students(request, course_id, problem_url): +def submit_rescore_problem_for_student(request, course_id, problem_url, student): """ - Request a problem to be regraded as a background task. + Request a problem to be rescored as a background task. - The problem will be regraded for all students who have accessed the + The problem will be rescored for the specified student only. Parameters are the `course_id`, + the `problem_url`, and the `student` as a User object. + The url must specify the location of the problem, using i4x-type notation. + + An exception is thrown if the problem doesn't exist, or if the particular + problem is already being rescored for this student. + """ + # check arguments: let exceptions return up to the caller. + _check_arguments_for_rescoring(course_id, problem_url) + + task_type = 'rescore_problem' + task_class = rescore_problem + task_input, task_key = _encode_problem_and_student_input(problem_url, student) + return _submit_task(request, task_type, task_class, course_id, task_input, task_key) + + +def submit_rescore_problem_for_all_students(request, course_id, problem_url): + """ + Request a problem to be rescored as a background task. + + The problem will be rescored for all students who have accessed the particular problem in a course and have provided and checked an answer. Parameters are the `course_id` and the `problem_url`. The url must specify the location of the problem, using i4x-type notation. An exception is thrown if the problem doesn't exist, or if the particular - problem is already being regraded. + problem is already being rescored. """ # check arguments: let exceptions return up to the caller. - _check_arguments_for_regrading(course_id, problem_url) + _check_arguments_for_rescoring(course_id, problem_url) # check to see if task is already running, and reserve it otherwise - task_name = 'regrade_problem' - course_task_log = _reserve_task(course_id, task_name, problem_url, request.user) - - # Submit task: - task_args = [course_task_log.id, course_id, problem_url, _get_xmodule_instance_args(request)] - task_result = regrade_problem_for_all_students.apply_async(task_args) - - # Update info in table with the resulting task_id (and state). - _update_task(course_task_log, task_result) - - return course_task_log + task_type = 'rescore_problem' + task_class = rescore_problem + task_input, task_key = _encode_problem_and_student_input(problem_url) + return _submit_task(request, task_type, task_class, course_id, task_input, task_key) def submit_reset_problem_attempts_for_all_students(request, course_id, problem_url): @@ -421,19 +453,10 @@ def submit_reset_problem_attempts_for_all_students(request, course_id, problem_u # an exception will be raised. Let it pass up to the caller. modulestore().get_instance(course_id, problem_url) - task_name = 'reset_problem_attempts' - - # check to see if task is already running, and reserve it otherwise - course_task_log = _reserve_task(course_id, task_name, problem_url, request.user) - - # Submit task: - task_args = [course_task_log.id, course_id, problem_url, _get_xmodule_instance_args(request)] - task_result = reset_problem_attempts_for_all_students.apply_async(task_args) - - # Update info in table with the resulting task_id (and state). - _update_task(course_task_log, task_result) - - return course_task_log + task_type = 'reset_problem_attempts' + task_class = reset_problem_attempts + task_input, task_key = _encode_problem_and_student_input(problem_url) + return _submit_task(request, task_type, task_class, course_id, task_input, task_key) def submit_delete_problem_state_for_all_students(request, course_id, problem_url): @@ -453,16 +476,7 @@ def submit_delete_problem_state_for_all_students(request, course_id, problem_url # an exception will be raised. Let it pass up to the caller. modulestore().get_instance(course_id, problem_url) - task_name = 'delete_problem_state' - - # check to see if task is already running, and reserve it otherwise - course_task_log = _reserve_task(course_id, task_name, problem_url, request.user) - - # Submit task: - task_args = [course_task_log.id, course_id, problem_url, _get_xmodule_instance_args(request)] - task_result = delete_problem_state_for_all_students.apply_async(task_args) - - # Update info in table with the resulting task_id (and state). - _update_task(course_task_log, task_result) - - return course_task_log + task_type = 'delete_problem_state' + task_class = delete_problem_state + task_input, task_key = _encode_problem_and_student_input(problem_url) + return _submit_task(request, task_type, task_class, course_id, task_input, task_key) diff --git a/lms/djangoapps/courseware/tasks.py b/lms/djangoapps/courseware/tasks.py index 911c6d7cd0..394ec514ff 100644 --- a/lms/djangoapps/courseware/tasks.py +++ b/lms/djangoapps/courseware/tasks.py @@ -33,14 +33,14 @@ class UpdateProblemModuleStateError(Exception): pass -def _update_problem_module_state_internal(course_id, module_state_key, student, update_fcn, action_name, filter_fcn, +def _update_problem_module_state_internal(course_id, module_state_key, student_identifier, update_fcn, action_name, filter_fcn, xmodule_instance_args): """ Performs generic update by visiting StudentModule instances with the update_fcn provided. StudentModule instances are those that match the specified `course_id` and `module_state_key`. - If `student` is not None, it is used as an additional filter to limit the modules to those belonging - to that student. If `student` is None, performs update on modules for all students on the specified problem. + If `student_identifier` is not None, it is used as an additional filter to limit the modules to those belonging + to that student. If `student_identifier` is None, performs update on modules for all students on the specified problem. If a `filter_fcn` is not None, it is applied to the query that has been constructed. It takes one argument, which is the query being filtered. @@ -75,8 +75,17 @@ def _update_problem_module_state_internal(course_id, module_state_key, student, modules_to_update = StudentModule.objects.filter(course_id=course_id, module_state_key=module_state_key) - # give the option of regrading an individual student. If not specified, - # then regrades all students who have responded to a problem so far + # give the option of rescoring an individual student. If not specified, + # then rescores all students who have responded to a problem so far + student = None + if student_identifier is not None: + # if an identifier is supplied, then look for the student, + # and let it throw an exception if none is found. + if "@" in student_identifier: + student = User.objects.get(email=student_identifier) + elif student_identifier is not None: + student = User.objects.get(username=student_identifier) + if student is not None: modules_to_update = modules_to_update.filter(student_id=student.id) @@ -109,9 +118,6 @@ def _update_problem_module_state_internal(course_id, module_state_key, student, num_updated += 1 # update task status: - # TODO: decide on the frequency for updating this: - # -- it may not make sense to do so every time through the loop - # -- may depend on each iteration's duration current_task.update_state(state='PROGRESS', meta=get_task_progress()) task_progress = get_task_progress() @@ -126,7 +132,7 @@ def _save_course_task_log_entry(entry): entry.save() -def _update_problem_module_state(entry_id, course_id, module_state_key, student, update_fcn, action_name, filter_fcn, +def _update_problem_module_state(entry_id, course_id, module_state_key, student_ident, update_fcn, action_name, filter_fcn, xmodule_instance_args): """ Performs generic update by visiting StudentModule instances with the update_fcn provided. @@ -147,16 +153,16 @@ def _update_problem_module_state(entry_id, course_id, module_state_key, student, # get the CourseTaskLog to be updated. If this fails, then let the exception return to Celery. # There's no point in catching it here. entry = CourseTaskLog.objects.get(pk=entry_id) + entry.task_id = task_id + _save_course_task_log_entry(entry) # add task_id to xmodule_instance_args, so that it can be output with tracking info: xmodule_instance_args['task_id'] = task_id - entry.task_id = task_id - _save_course_task_log_entry(entry) # now that we have an entry we can try to catch failures: task_progress = None try: - task_progress = _update_problem_module_state_internal(course_id, module_state_key, student, update_fcn, + task_progress = _update_problem_module_state_internal(course_id, module_state_key, student_ident, update_fcn, action_name, filter_fcn, xmodule_instance_args) except Exception: # try to write out the failure to the entry before failing @@ -166,13 +172,13 @@ def _update_problem_module_state(entry_id, course_id, module_state_key, student, task_log.warning("background task (%s) failed: %s %s", task_id, exception, traceback_string) if traceback is not None: task_progress['traceback'] = traceback_string - entry.task_progress = json.dumps(task_progress) + entry.task_output = json.dumps(task_progress) entry.task_state = 'FAILURE' _save_course_task_log_entry(entry) raise # if we get here, we assume we've succeeded, so update the CourseTaskLog entry in anticipation: - entry.task_progress = json.dumps(task_progress) + entry.task_output = json.dumps(task_progress) entry.task_state = 'SUCCESS' _save_course_task_log_entry(entry) @@ -203,13 +209,6 @@ def _update_problem_module_state_for_student(entry_id, course_id, problem_url, s return (success, msg) -def _update_problem_module_state_for_all_students(entry_id, course_id, problem_url, update_fcn, action_name, filter_fcn=None, xmodule_instance_args=None): - """ - Update the StudentModule for all students. See _update_problem_module_state(). - """ - return _update_problem_module_state(entry_id, course_id, problem_url, None, update_fcn, action_name, filter_fcn, xmodule_instance_args) - - def _get_module_instance_for_task(course_id, student, module_descriptor, module_state_key, xmodule_instance_args=None, grade_bucket_type=None): """ @@ -245,19 +244,19 @@ def _get_module_instance_for_task(course_id, student, module_descriptor, module_ @transaction.autocommit -def _regrade_problem_module_state(module_descriptor, student_module, xmodule_instance_args=None): +def _rescore_problem_module_state(module_descriptor, student_module, xmodule_instance_args=None): ''' Takes an XModule descriptor and a corresponding StudentModule object, and - performs regrading on the student's problem submission. + performs rescoring on the student's problem submission. - Throws exceptions if the regrading is fatal and should be aborted if in a loop. + Throws exceptions if the rescoring is fatal and should be aborted if in a loop. ''' # unpack the StudentModule: course_id = student_module.course_id student = student_module.student module_state_key = student_module.module_state_key - instance = _get_module_instance_for_task(course_id, student, module_descriptor, module_state_key, xmodule_instance_args, grade_bucket_type='regrade') + instance = _get_module_instance_for_task(course_id, student, module_descriptor, module_state_key, xmodule_instance_args, grade_bucket_type='rescore') if instance is None: # Either permissions just changed, or someone is trying to be clever @@ -267,51 +266,46 @@ def _regrade_problem_module_state(module_descriptor, student_module, xmodule_ins task_log.debug(msg) raise UpdateProblemModuleStateError(msg) - if not hasattr(instance, 'regrade_problem'): - # if the first instance doesn't have a regrade method, we should + if not hasattr(instance, 'rescore_problem'): + # if the first instance doesn't have a rescore method, we should # probably assume that no other instances will either. - msg = "Specified problem does not support regrading." + msg = "Specified problem does not support rescoring." raise UpdateProblemModuleStateError(msg) - result = instance.regrade_problem() + result = instance.rescore_problem() if 'success' not in result: # don't consider these fatal, but false means that the individual call didn't complete: - task_log.warning("error processing regrade call for problem {loc} and student {student}: " + task_log.warning("error processing rescore call for problem {loc} and student {student}: " "unexpected response {msg}".format(msg=result, loc=module_state_key, student=student)) return False elif result['success'] != 'correct' and result['success'] != 'incorrect': - task_log.warning("error processing regrade call for problem {loc} and student {student}: " + task_log.warning("error processing rescore call for problem {loc} and student {student}: " "{msg}".format(msg=result['success'], loc=module_state_key, student=student)) return False else: - task_log.debug("successfully processed regrade call for problem {loc} and student {student}: " + task_log.debug("successfully processed rescore call for problem {loc} and student {student}: " "{msg}".format(msg=result['success'], loc=module_state_key, student=student)) return True def filter_problem_module_state_for_done(modules_to_update): - """Filter to apply for regrading, to limit module instances to those marked as done""" + """Filter to apply for rescoring, to limit module instances to those marked as done""" return modules_to_update.filter(state__contains='"done": true') @task -def regrade_problem_for_student(entry_id, course_id, problem_url, student_identifier, xmodule_instance_args): - """Regrades problem `problem_url` in `course_id` for specified student.""" - action_name = 'regraded' - update_fcn = _regrade_problem_module_state +def rescore_problem(entry_id, course_id, task_input, xmodule_instance_args): + """Rescores problem `problem_url` in `course_id` for all students.""" + action_name = 'rescored' + update_fcn = _rescore_problem_module_state filter_fcn = filter_problem_module_state_for_done - return _update_problem_module_state_for_student(entry_id, course_id, problem_url, student_identifier, - update_fcn, action_name, filter_fcn, xmodule_instance_args) - - -@task -def regrade_problem_for_all_students(entry_id, course_id, problem_url, xmodule_instance_args): - """Regrades problem `problem_url` in `course_id` for all students.""" - action_name = 'regraded' - update_fcn = _regrade_problem_module_state - filter_fcn = filter_problem_module_state_for_done - return _update_problem_module_state_for_all_students(entry_id, course_id, problem_url, update_fcn, action_name, filter_fcn, - xmodule_instance_args) + problem_url = task_input.get('problem_url') + student_ident = None + if 'student' in task_input: + student_ident = task_input['student'] + return _update_problem_module_state(entry_id, course_id, problem_url, student_ident, + update_fcn, action_name, filter_fcn=filter_fcn, + xmodule_instance_args=xmodule_instance_args) @transaction.autocommit @@ -342,23 +336,17 @@ def _reset_problem_attempts_module_state(module_descriptor, student_module, xmod @task -def reset_problem_attempts_for_student(entry_id, course_id, problem_url, student_identifier, xmodule_instance_args): - """Resets problem attempts to zero for `problem_url` in `course_id` for specified student.""" - action_name = 'reset' - update_fcn = _reset_problem_attempts_module_state - return _update_problem_module_state_for_student(entry_id, course_id, problem_url, student_identifier, - update_fcn, action_name, - xmodule_instance_args=xmodule_instance_args) - - -@task -def reset_problem_attempts_for_all_students(entry_id, course_id, problem_url, xmodule_instance_args): +def reset_problem_attempts(entry_id, course_id, task_input, xmodule_instance_args): """Resets problem attempts to zero for `problem_url` in `course_id` for all students.""" action_name = 'reset' update_fcn = _reset_problem_attempts_module_state - return _update_problem_module_state_for_all_students(entry_id, course_id, problem_url, - update_fcn, action_name, - xmodule_instance_args=xmodule_instance_args) + problem_url = task_input.get('problem_url') + student_ident = None + if 'student' in task_input: + student_ident = task_input['student'] + return _update_problem_module_state(entry_id, course_id, problem_url, student_ident, + update_fcn, action_name, filter_fcn=None, + xmodule_instance_args=xmodule_instance_args) @transaction.autocommit @@ -375,37 +363,14 @@ def _delete_problem_module_state(module_descriptor, student_module, xmodule_inst @task -def delete_problem_state_for_student(entry_id, course_id, problem_url, student_ident, xmodule_instance_args): - """Deletes problem state entirely for `problem_url` in `course_id` for specified student.""" - action_name = 'deleted' - update_fcn = _delete_problem_module_state - return _update_problem_module_state_for_student(entry_id, course_id, problem_url, student_ident, - update_fcn, action_name, - xmodule_instance_args=xmodule_instance_args) - - -@task -def delete_problem_state_for_all_students(entry_id, course_id, problem_url, xmodule_instance_args): +def delete_problem_state(entry_id, course_id, task_input, xmodule_instance_args): """Deletes problem state entirely for `problem_url` in `course_id` for all students.""" action_name = 'deleted' update_fcn = _delete_problem_module_state - return _update_problem_module_state_for_all_students(entry_id, course_id, problem_url, - update_fcn, action_name, - xmodule_instance_args=xmodule_instance_args) - - -# Using @worker_ready.connect was an effort to call middleware initialization -# only once, when the worker was coming up. However, the actual worker task -# was not getting initialized, so it was likely running in a separate process -# from the worker server. -#@worker_ready.connect -#def initialize_middleware(**kwargs): -# # Initialize Django middleware - some middleware components -# # are initialized lazily when the first request is served. Since -# # the celery workers do not serve requests, the components never -# # get initialized, causing errors in some dependencies. -# # In particular, the Mako template middleware is used by some xmodules -# task_log.info("Initializing all middleware from worker_ready.connect hook") -# -# from django.core.handlers.base import BaseHandler -# BaseHandler().load_middleware() + problem_url = task_input.get('problem_url') + student_ident = None + if 'student' in task_input: + student_ident = task_input['student'] + return _update_problem_module_state(entry_id, course_id, problem_url, student_ident, + update_fcn, action_name, filter_fcn=None, + xmodule_instance_args=xmodule_instance_args) diff --git a/lms/djangoapps/courseware/tests/factories.py b/lms/djangoapps/courseware/tests/factories.py index 023cb4ef06..7db9a9d5c8 100644 --- a/lms/djangoapps/courseware/tests/factories.py +++ b/lms/djangoapps/courseware/tests/factories.py @@ -91,11 +91,11 @@ class StudentInfoFactory(DjangoModelFactory): class CourseTaskLogFactory(DjangoModelFactory): FACTORY_FOR = CourseTaskLog - task_name = 'regrade_problem' + task_type = 'rescore_problem' course_id = "MITx/999/Robot_Super_Course" - student = SubFactory(UserFactory) - task_args = None + task_input = json.dumps({}) + task_key = None task_id = None task_state = "QUEUED" - task_progress = None + task_output = None requester = SubFactory(UserFactory) diff --git a/lms/djangoapps/courseware/tests/test_task_queue.py b/lms/djangoapps/courseware/tests/test_task_queue.py index 97ad68c9e4..a3161c2411 100644 --- a/lms/djangoapps/courseware/tests/test_task_queue.py +++ b/lms/djangoapps/courseware/tests/test_task_queue.py @@ -14,9 +14,10 @@ from xmodule.modulestore.exceptions import ItemNotFoundError from courseware.tests.factories import UserFactory, CourseTaskLogFactory from courseware.task_queue import (get_running_course_tasks, course_task_log_status, + _encode_problem_and_student_input, AlreadyRunningError, - submit_regrade_problem_for_all_students, - submit_regrade_problem_for_student, + submit_rescore_problem_for_all_students, + submit_rescore_problem_for_student, submit_reset_problem_attempts_for_all_students, submit_delete_problem_state_for_all_students) @@ -52,15 +53,17 @@ class TaskQueueTestCase(TestCase): number='1.23x', problem_url_name=problem_url_name) - def _create_entry(self, task_state="QUEUED", task_progress=None, student=None): + def _create_entry(self, task_state="QUEUED", task_output=None, student=None): task_id = str(uuid4()) - progress_json = json.dumps(task_progress) - course_task_log = CourseTaskLogFactory.create(student=student, - requester=self.instructor, - task_args=self.problem_url, + progress_json = json.dumps(task_output) + task_input, task_key = _encode_problem_and_student_input(self.problem_url, student) + + course_task_log = CourseTaskLogFactory.create(requester=self.instructor, + task_input=json.dumps(task_input), + task_key=task_key, task_id=task_id, task_state=task_state, - task_progress=progress_json) + task_output=progress_json) return course_task_log def _create_failure_entry(self): @@ -68,7 +71,7 @@ class TaskQueueTestCase(TestCase): progress = {'message': TEST_FAILURE_MESSAGE, 'exception': 'RandomCauseError', } - return self._create_entry(task_state="FAILURE", task_progress=progress) + return self._create_entry(task_state="FAILURE", task_output=progress) def _create_success_entry(self, student=None): return self._create_progress_entry(student=None, task_state="SUCCESS") @@ -78,10 +81,10 @@ class TaskQueueTestCase(TestCase): progress = {'attempted': 3, 'updated': 2, 'total': 10, - 'action_name': 'regraded', + 'action_name': 'rescored', 'message': 'some random string that should summarize the other info', } - return self._create_entry(task_state=task_state, task_progress=progress, student=student) + return self._create_entry(task_state=task_state, task_output=progress, student=student) def test_fetch_running_tasks(self): # when fetching running tasks, we get all running tasks, and only running tasks @@ -152,7 +155,7 @@ class TaskQueueTestCase(TestCase): mock_result.result = {'attempted': 5, 'updated': 4, 'total': 10, - 'action_name': 'regraded'} + 'action_name': 'rescored'} with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: mock_result_ctor.return_value = mock_result response = course_task_log_status(Mock(), task_id=task_id) @@ -206,7 +209,7 @@ class TaskQueueTestCase(TestCase): mock_result.result = {'attempted': attempted, 'updated': updated, 'total': total, - 'action_name': 'regraded'} + 'action_name': 'rescored'} with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: mock_result_ctor.return_value = mock_result response = course_task_log_status(Mock(), task_id=task_id) @@ -221,44 +224,44 @@ class TaskQueueTestCase(TestCase): def test_success_messages(self): _, output = self._get_output_for_task_success(0, 0, 10) - self.assertTrue("Unable to find any students with submissions to be regraded" in output['message']) + self.assertTrue("Unable to find any students with submissions to be rescored" in output['message']) self.assertFalse(output['succeeded']) _, output = self._get_output_for_task_success(10, 0, 10) - self.assertTrue("Problem failed to be regraded for any of 10 students" in output['message']) + self.assertTrue("Problem failed to be rescored for any of 10 students" in output['message']) self.assertFalse(output['succeeded']) _, output = self._get_output_for_task_success(10, 8, 10) - self.assertTrue("Problem regraded for 8 of 10 students" in output['message']) + self.assertTrue("Problem rescored for 8 of 10 students" in output['message']) self.assertFalse(output['succeeded']) _, output = self._get_output_for_task_success(10, 10, 10) - self.assertTrue("Problem successfully regraded for 10 students" in output['message']) + self.assertTrue("Problem successfully rescored for 10 students" in output['message']) self.assertTrue(output['succeeded']) _, output = self._get_output_for_task_success(0, 0, 1, student=self.student) - self.assertTrue("Unable to find submission to be regraded for student" in output['message']) + self.assertTrue("Unable to find submission to be rescored for student" in output['message']) self.assertFalse(output['succeeded']) _, output = self._get_output_for_task_success(1, 0, 1, student=self.student) - self.assertTrue("Problem failed to be regraded for student" in output['message']) + self.assertTrue("Problem failed to be rescored for student" in output['message']) self.assertFalse(output['succeeded']) _, output = self._get_output_for_task_success(1, 1, 1, student=self.student) - self.assertTrue("Problem successfully regraded for student" in output['message']) + self.assertTrue("Problem successfully rescored for student" in output['message']) self.assertTrue(output['succeeded']) def test_submit_nonexistent_modules(self): - # confirm that a regrade of a non-existent module returns an exception - # (Note that it is easier to test a non-regradable module in test_tasks, + # confirm that a rescore of a non-existent module returns an exception + # (Note that it is easier to test a non-rescorable module in test_tasks, # where we are creating real modules. problem_url = self.problem_url course_id = "something else" request = None with self.assertRaises(ItemNotFoundError): - submit_regrade_problem_for_student(request, course_id, problem_url, self.student) + submit_rescore_problem_for_student(request, course_id, problem_url, self.student) with self.assertRaises(ItemNotFoundError): - submit_regrade_problem_for_all_students(request, course_id, problem_url) + submit_rescore_problem_for_all_students(request, course_id, problem_url) with self.assertRaises(ItemNotFoundError): submit_reset_problem_attempts_for_all_students(request, course_id, problem_url) with self.assertRaises(ItemNotFoundError): @@ -267,12 +270,12 @@ class TaskQueueTestCase(TestCase): def test_submit_when_running(self): # get exception when trying to submit a task that is already running course_task_log = self._create_progress_entry() - problem_url = course_task_log.task_args + problem_url = json.loads(course_task_log.task_input).get('problem_url') course_id = course_task_log.course_id # requester doesn't have to be the same when determining if a task is already running request = Mock() request.user = self.student with self.assertRaises(AlreadyRunningError): # just skip making the argument check, so we don't have to fake it deeper down - with patch('courseware.task_queue._check_arguments_for_regrading'): - submit_regrade_problem_for_all_students(request, course_id, problem_url) + with patch('courseware.task_queue._check_arguments_for_rescoring'): + submit_rescore_problem_for_all_students(request, course_id, problem_url) diff --git a/lms/djangoapps/courseware/tests/test_tasks.py b/lms/djangoapps/courseware/tests/test_tasks.py index 860624416e..3a5c5de58f 100644 --- a/lms/djangoapps/courseware/tests/test_tasks.py +++ b/lms/djangoapps/courseware/tests/test_tasks.py @@ -20,8 +20,8 @@ from xmodule.modulestore.exceptions import ItemNotFoundError from student.tests.factories import CourseEnrollmentFactory, UserFactory, AdminFactory from courseware.model_data import StudentModule -from courseware.task_queue import (submit_regrade_problem_for_all_students, - submit_regrade_problem_for_student, +from courseware.task_queue import (submit_rescore_problem_for_all_students, + submit_rescore_problem_for_student, course_task_log_status, submit_reset_problem_attempts_for_all_students, submit_delete_problem_state_for_all_students) @@ -38,9 +38,9 @@ TEST_SECTION_NAME = "Problem" @override_settings(MODULESTORE=TEST_DATA_MONGO_MODULESTORE) -class TestRegradingBase(LoginEnrollmentTestCase, ModuleStoreTestCase): +class TestRescoringBase(LoginEnrollmentTestCase, ModuleStoreTestCase): """ - Test that all students' answers to a problem can be regraded after the + Test that all students' answers to a problem can be rescored after the definition of the problem has been redefined. """ course = None @@ -69,11 +69,11 @@ class TestRegradingBase(LoginEnrollmentTestCase, ModuleStoreTestCase): return '{0}@test.com'.format(username) def login_username(self, username): - self.login(TestRegradingBase.get_user_email(username), "test") + self.login(TestRescoringBase.get_user_email(username), "test") self.current_user = username def _create_user(self, username, is_staff=False): - email = TestRegradingBase.get_user_email(username) + email = TestRescoringBase.get_user_email(username) if (is_staff): AdminFactory.create(username=username, email=email) else: @@ -121,7 +121,7 @@ class TestRegradingBase(LoginEnrollmentTestCase, ModuleStoreTestCase): 'correct_option': 'Option 2', 'num_responses': 2} problem_xml = factory.build_xml(**factory_args) - location = TestRegrading.problem_location(problem_url_name) + location = TestRescoring.problem_location(problem_url_name) self.module_store.update_item(location, problem_xml) def render_problem(self, username, problem_url_name): @@ -135,7 +135,7 @@ class TestRegradingBase(LoginEnrollmentTestCase, ModuleStoreTestCase): # make ajax call: modx_url = reverse('modx_dispatch', kwargs={'course_id': self.course.id, - 'location': TestRegrading.problem_location(problem_url_name), + 'location': TestRescoring.problem_location(problem_url_name), 'dispatch': 'problem_get', }) resp = self.client.post(modx_url, {}) return resp @@ -158,7 +158,7 @@ class TestRegradingBase(LoginEnrollmentTestCase, ModuleStoreTestCase): # make ajax call: modx_url = reverse('modx_dispatch', kwargs={'course_id': self.course.id, - 'location': TestRegrading.problem_location(problem_url_name), + 'location': TestRescoring.problem_location(problem_url_name), 'dispatch': 'problem_check', }) resp = self.client.post(modx_url, { @@ -176,21 +176,21 @@ class TestRegradingBase(LoginEnrollmentTestCase, ModuleStoreTestCase): request.is_secure = Mock(return_value=False) return request - def regrade_all_student_answers(self, instructor, problem_url_name): - """Submits the current problem for regrading""" - return submit_regrade_problem_for_all_students(self.create_task_request(instructor), self.course.id, - TestRegradingBase.problem_location(problem_url_name)) + def rescore_all_student_answers(self, instructor, problem_url_name): + """Submits the current problem for rescoring""" + return submit_rescore_problem_for_all_students(self.create_task_request(instructor), self.course.id, + TestRescoringBase.problem_location(problem_url_name)) - def regrade_one_student_answer(self, instructor, problem_url_name, student): - """Submits the current problem for regrading for a particular student""" - return submit_regrade_problem_for_student(self.create_task_request(instructor), self.course.id, - TestRegradingBase.problem_location(problem_url_name), + def rescore_one_student_answer(self, instructor, problem_url_name, student): + """Submits the current problem for rescoring for a particular student""" + return submit_rescore_problem_for_student(self.create_task_request(instructor), self.course.id, + TestRescoringBase.problem_location(problem_url_name), student) def show_correct_answer(self, problem_url_name): modx_url = reverse('modx_dispatch', kwargs={'course_id': self.course.id, - 'location': TestRegradingBase.problem_location(problem_url_name), + 'location': TestRescoringBase.problem_location(problem_url_name), 'dispatch': 'problem_show', }) return self.client.post(modx_url, {}) @@ -215,8 +215,8 @@ class TestRegradingBase(LoginEnrollmentTestCase, ModuleStoreTestCase): self.assertGreater(len(state['student_answers']), 0) -class TestRegrading(TestRegradingBase): - """Test regrading problems in a background task.""" +class TestRescoring(TestRescoringBase): + """Test rescoring problems in a background task.""" def setUp(self): self.initialize_course() @@ -227,12 +227,12 @@ class TestRegrading(TestRegradingBase): self.create_student('u4') self.logout() - def test_regrading_option_problem(self): - '''Run regrade scenario on option problem''' + def test_rescoring_option_problem(self): + '''Run rescore scenario on option problem''' # get descriptor: problem_url_name = 'H1P1' self.define_option_problem(problem_url_name) - location = TestRegrading.problem_location(problem_url_name) + location = TestRescoring.problem_location(problem_url_name) descriptor = self.module_store.get_instance(self.course.id, location) # first store answers for each of the separate users: @@ -253,38 +253,39 @@ class TestRegrading(TestRegradingBase): self.render_problem('u1', problem_url_name) self.check_state('u1', descriptor, 2, 2, 1) - # regrade the problem for only one student -- only that student's grade should change: - self.regrade_one_student_answer('instructor', problem_url_name, User.objects.get(username='u1')) + # rescore the problem for only one student -- only that student's grade should change: + self.rescore_one_student_answer('instructor', problem_url_name, User.objects.get(username='u1')) self.check_state('u1', descriptor, 0, 2, 1) self.check_state('u2', descriptor, 1, 2, 1) self.check_state('u3', descriptor, 1, 2, 1) self.check_state('u4', descriptor, 0, 2, 1) - # regrade the problem for all students - self.regrade_all_student_answers('instructor', problem_url_name) + # rescore the problem for all students + self.rescore_all_student_answers('instructor', problem_url_name) self.check_state('u1', descriptor, 0, 2, 1) self.check_state('u2', descriptor, 1, 2, 1) self.check_state('u3', descriptor, 1, 2, 1) self.check_state('u4', descriptor, 2, 2, 1) - def test_regrading_failure(self): - """Simulate a failure in regrading a problem""" + def test_rescoring_failure(self): + """Simulate a failure in rescoring a problem""" problem_url_name = 'H1P1' self.define_option_problem(problem_url_name) self.submit_student_answer('u1', problem_url_name, ['Option 1', 'Option 1']) expected_message = "bad things happened" - with patch('capa.capa_problem.LoncapaProblem.regrade_existing_answers') as mock_regrade: - mock_regrade.side_effect = ZeroDivisionError(expected_message) - course_task_log = self.regrade_all_student_answers('instructor', problem_url_name) + with patch('capa.capa_problem.LoncapaProblem.rescore_existing_answers') as mock_rescore: + mock_rescore.side_effect = ZeroDivisionError(expected_message) + course_task_log = self.rescore_all_student_answers('instructor', problem_url_name) # check task_log returned self.assertEqual(course_task_log.task_state, 'FAILURE') - self.assertEqual(course_task_log.student, None) self.assertEqual(course_task_log.requester.username, 'instructor') - self.assertEqual(course_task_log.task_name, 'regrade_problem') - self.assertEqual(course_task_log.task_args, TestRegrading.problem_location(problem_url_name)) - status = json.loads(course_task_log.task_progress) + self.assertEqual(course_task_log.task_type, 'rescore_problem') + task_input = json.loads(course_task_log.task_input) + self.assertFalse('student' in task_input) + self.assertEqual(task_input['problem_url'], TestRescoring.problem_location(problem_url_name)) + status = json.loads(course_task_log.task_output) self.assertEqual(status['exception'], 'ZeroDivisionError') self.assertEqual(status['message'], expected_message) @@ -294,17 +295,17 @@ class TestRegrading(TestRegradingBase): status = json.loads(response.content) self.assertEqual(status['message'], expected_message) - def test_regrading_non_problem(self): + def test_rescoring_non_problem(self): """confirm that a non-problem will not submit""" problem_url_name = self.problem_section.location.url() with self.assertRaises(NotImplementedError): - self.regrade_all_student_answers('instructor', problem_url_name) + self.rescore_all_student_answers('instructor', problem_url_name) - def test_regrading_nonexistent_problem(self): + def test_rescoring_nonexistent_problem(self): """confirm that a non-existent problem will not submit""" problem_url_name = 'NonexistentProblem' with self.assertRaises(ItemNotFoundError): - self.regrade_all_student_answers('instructor', problem_url_name) + self.rescore_all_student_answers('instructor', problem_url_name) def define_code_response_problem(self, problem_url_name): """Define an arbitrary code-response problem. @@ -322,8 +323,8 @@ class TestRegrading(TestRegradingBase): display_name=str(problem_url_name), data=problem_xml) - def test_regrading_code_problem(self): - """Run regrade scenario on problem with code submission""" + def test_rescoring_code_problem(self): + """Run rescore scenario on problem with code submission""" problem_url_name = 'H1P2' self.define_code_response_problem(problem_url_name) # we fully create the CodeResponse problem, but just pretend that we're queuing it: @@ -331,16 +332,16 @@ class TestRegrading(TestRegradingBase): mock_send_to_queue.return_value = (0, "Successfully queued") self.submit_student_answer('u1', problem_url_name, ["answer1", "answer2"]) - course_task_log = self.regrade_all_student_answers('instructor', problem_url_name) + course_task_log = self.rescore_all_student_answers('instructor', problem_url_name) self.assertEqual(course_task_log.task_state, 'FAILURE') - status = json.loads(course_task_log.task_progress) + status = json.loads(course_task_log.task_output) self.assertEqual(status['exception'], 'NotImplementedError') - self.assertEqual(status['message'], "Problem's definition does not support regrading") + self.assertEqual(status['message'], "Problem's definition does not support rescoring") mock_request = Mock() response = course_task_log_status(mock_request, task_id=course_task_log.task_id) status = json.loads(response.content) - self.assertEqual(status['message'], "Problem's definition does not support regrading") + self.assertEqual(status['message'], "Problem's definition does not support rescoring") def define_randomized_custom_response_problem(self, problem_url_name, redefine=False): """ @@ -367,7 +368,7 @@ class TestRegrading(TestRegradingBase): """) problem_xml = factory.build_xml(script=script, cfn="check_func", expect="42", num_responses=1) if redefine: - self.module_store.update_item(TestRegradingBase.problem_location(problem_url_name), problem_xml) + self.module_store.update_item(TestRescoringBase.problem_location(problem_url_name), problem_xml) else: # Use "per-student" rerandomization so that check-problem can be called more than once. # Using "always" means we cannot check a problem twice, but we want to call once to get the @@ -380,12 +381,12 @@ class TestRegrading(TestRegradingBase): data=problem_xml, metadata={"rerandomize": "per_student"}) - def test_regrading_randomized_problem(self): - """Run regrade scenario on custom problem that uses randomize""" + def test_rescoring_randomized_problem(self): + """Run rescore scenario on custom problem that uses randomize""" # First define the custom response problem: problem_url_name = 'H1P1' self.define_randomized_custom_response_problem(problem_url_name) - location = TestRegrading.problem_location(problem_url_name) + location = TestRescoring.problem_location(problem_url_name) descriptor = self.module_store.get_instance(self.course.id, location) # run with more than one user userlist = ['u1', 'u2', 'u3', 'u4'] @@ -415,23 +416,23 @@ class TestRegrading(TestRegradingBase): self.render_problem('u1', problem_url_name) self.check_state('u1', descriptor, 1, 1, 2) - # regrade the problem for only one student -- only that student's grade should change + # rescore the problem for only one student -- only that student's grade should change # (and none of the attempts): - self.regrade_one_student_answer('instructor', problem_url_name, User.objects.get(username='u1')) + self.rescore_one_student_answer('instructor', problem_url_name, User.objects.get(username='u1')) self.check_state('u1', descriptor, 0, 1, 2) self.check_state('u2', descriptor, 1, 1, 2) self.check_state('u3', descriptor, 1, 1, 2) self.check_state('u4', descriptor, 1, 1, 2) - # regrade the problem for all students - self.regrade_all_student_answers('instructor', problem_url_name) + # rescore the problem for all students + self.rescore_all_student_answers('instructor', problem_url_name) # all grades should change to being wrong (with no change in attempts) for username in userlist: self.check_state(username, descriptor, 0, 1, 2) -class TestResetAttempts(TestRegradingBase): +class TestResetAttempts(TestRescoringBase): """Test resetting problem attempts in a background task.""" userlist = ['u1', 'u2', 'u3', 'u4'] @@ -450,14 +451,14 @@ class TestResetAttempts(TestRegradingBase): def reset_problem_attempts(self, instructor, problem_url_name): """Submits the current problem for resetting""" return submit_reset_problem_attempts_for_all_students(self.create_task_request(instructor), self.course.id, - TestRegradingBase.problem_location(problem_url_name)) + TestRescoringBase.problem_location(problem_url_name)) def test_reset_attempts_on_problem(self): '''Run reset-attempts scenario on option problem''' # get descriptor: problem_url_name = 'H1P1' self.define_option_problem(problem_url_name) - location = TestRegradingBase.problem_location(problem_url_name) + location = TestRescoringBase.problem_location(problem_url_name) descriptor = self.module_store.get_instance(self.course.id, location) num_attempts = 3 # first store answers for each of the separate users: @@ -486,11 +487,12 @@ class TestResetAttempts(TestRegradingBase): # check task_log returned self.assertEqual(course_task_log.task_state, 'FAILURE') - self.assertEqual(course_task_log.student, None) self.assertEqual(course_task_log.requester.username, 'instructor') - self.assertEqual(course_task_log.task_name, 'reset_problem_attempts') - self.assertEqual(course_task_log.task_args, TestRegrading.problem_location(problem_url_name)) - status = json.loads(course_task_log.task_progress) + self.assertEqual(course_task_log.task_type, 'reset_problem_attempts') + task_input = json.loads(course_task_log.task_input) + self.assertFalse('student' in task_input) + self.assertEqual(task_input['problem_url'], TestRescoring.problem_location(problem_url_name)) + status = json.loads(course_task_log.task_output) self.assertEqual(status['exception'], 'ZeroDivisionError') self.assertEqual(status['message'], expected_message) @@ -513,7 +515,7 @@ class TestResetAttempts(TestRegradingBase): self.reset_problem_attempts('instructor', problem_url_name) -class TestDeleteProblem(TestRegradingBase): +class TestDeleteProblem(TestRescoringBase): """Test deleting problem state in a background task.""" userlist = ['u1', 'u2', 'u3', 'u4'] @@ -527,14 +529,14 @@ class TestDeleteProblem(TestRegradingBase): def delete_problem_state(self, instructor, problem_url_name): """Submits the current problem for deletion""" return submit_delete_problem_state_for_all_students(self.create_task_request(instructor), self.course.id, - TestRegradingBase.problem_location(problem_url_name)) + TestRescoringBase.problem_location(problem_url_name)) def test_delete_problem_state(self): '''Run delete-state scenario on option problem''' # get descriptor: problem_url_name = 'H1P1' self.define_option_problem(problem_url_name) - location = TestRegradingBase.problem_location(problem_url_name) + location = TestRescoringBase.problem_location(problem_url_name) descriptor = self.module_store.get_instance(self.course.id, location) # first store answers for each of the separate users: for username in self.userlist: @@ -562,11 +564,12 @@ class TestDeleteProblem(TestRegradingBase): # check task_log returned self.assertEqual(course_task_log.task_state, 'FAILURE') - self.assertEqual(course_task_log.student, None) self.assertEqual(course_task_log.requester.username, 'instructor') - self.assertEqual(course_task_log.task_name, 'delete_problem_state') - self.assertEqual(course_task_log.task_args, TestRegrading.problem_location(problem_url_name)) - status = json.loads(course_task_log.task_progress) + self.assertEqual(course_task_log.task_type, 'delete_problem_state') + task_input = json.loads(course_task_log.task_input) + self.assertFalse('student' in task_input) + self.assertEqual(task_input['problem_url'], TestRescoring.problem_location(problem_url_name)) + status = json.loads(course_task_log.task_output) self.assertEqual(status['exception'], 'ZeroDivisionError') self.assertEqual(status['message'], expected_message) diff --git a/lms/djangoapps/instructor/views.py b/lms/djangoapps/instructor/views.py index f6a481f951..7e53da48e3 100644 --- a/lms/djangoapps/instructor/views.py +++ b/lms/djangoapps/instructor/views.py @@ -239,22 +239,22 @@ def instructor_dashboard(request, course_id): track.views.server_track(request, action, {}, page='idashboard') msg += dump_grading_context(course) - elif "Regrade ALL students' problem submissions" in action: + elif "Rescore ALL students' problem submissions" in action: problem_urlname = request.POST.get('problem_for_all_students', '') problem_url = get_module_url(problem_urlname) try: - course_task_log_entry = task_queue.submit_regrade_problem_for_all_students(request, course_id, problem_url) + course_task_log_entry = task_queue.submit_rescore_problem_for_all_students(request, course_id, problem_url) if course_task_log_entry is None: - msg += 'Failed to create a background task for regrading "{0}".'.format(problem_url) + msg += 'Failed to create a background task for rescoring "{0}".'.format(problem_url) else: - track_msg = 'regrade problem {problem} for all students in {course}'.format(problem=problem_url, course=course_id) + track_msg = 'rescore problem {problem} for all students in {course}'.format(problem=problem_url, course=course_id) track.views.server_track(request, track_msg, {}, page='idashboard') except ItemNotFoundError as e: - log.error('Failure to regrade: unknown problem "{0}"'.format(e)) - msg += 'Failed to create a background task for regrading "{0}": problem not found.'.format(problem_url) + log.error('Failure to rescore: unknown problem "{0}"'.format(e)) + msg += 'Failed to create a background task for rescoring "{0}": problem not found.'.format(problem_url) except Exception as e: - log.error("Encountered exception from regrade: {0}".format(e)) - msg += 'Failed to create a background task for regrading "{0}": {1}.'.format(problem_url, e.message) + log.error("Encountered exception from rescore: {0}".format(e)) + msg += 'Failed to create a background task for rescoring "{0}": {1}.'.format(problem_url, e.message) elif "Reset ALL students' attempts" in action: problem_urlname = request.POST.get('problem_for_all_students', '') @@ -301,7 +301,7 @@ def instructor_dashboard(request, course_id): elif "Reset student's attempts" in action \ or "Delete student state for module" in action \ - or "Regrade student's problem submission" in action: + or "Rescore student's problem submission" in action: # get the form data unique_student_identifier = request.POST.get('unique_student_identifier', '') problem_urlname = request.POST.get('problem_for_student', '') @@ -356,15 +356,15 @@ def instructor_dashboard(request, course_id): msg += "Couldn't reset module state. " else: try: - course_task_log_entry = task_queue.submit_regrade_problem_for_student(request, course_id, module_state_key, student) + course_task_log_entry = task_queue.submit_rescore_problem_for_student(request, course_id, module_state_key, student) if course_task_log_entry is None: - msg += 'Failed to create a background task for regrading "{0}" for student {1}.'.format(module_state_key, unique_student_identifier) + msg += 'Failed to create a background task for rescoring "{0}" for student {1}.'.format(module_state_key, unique_student_identifier) else: - track_msg = 'regrade problem {problem} for student {student} in {course}'.format(problem=module_state_key, student=unique_student_identifier, course=course_id) + track_msg = 'rescore problem {problem} for student {student} in {course}'.format(problem=module_state_key, student=unique_student_identifier, course=course_id) track.views.server_track(request, track_msg, {}, page='idashboard') except Exception as e: - log.error("Encountered exception from regrade: {0}".format(e)) - msg += 'Failed to create a background task for regrading "{0}": {1}.'.format(module_state_key, e.message) + log.error("Encountered exception from rescore: {0}".format(e)) + msg += 'Failed to create a background task for rescoring "{0}": {1}.'.format(module_state_key, e.message) elif "Get link to student's progress page" in action: unique_student_identifier = request.POST.get('unique_student_identifier', '') @@ -1288,17 +1288,13 @@ def get_background_task_table(course_id, problem_url, student=None): Construct the "datatable" structure to represent background task history. Filters the background task history to the specified course and problem. - If a student is provided, filters to only those tasks for which that student + If a student is provided, filters to only those tasks for which that student was specified. Returns a tuple of (msg, datatable), where the msg is a possible error message, and the datatable is the datatable to be used for display. """ - course_tasks = CourseTaskLog.objects.filter(course_id=course_id, task_args=problem_url) - if student is not None: - course_tasks = course_tasks.filter(student=student) - - history_entries = course_tasks.order_by('-id') + history_entries = task_queue.get_course_task_history(course_id, problem_url, student) datatable = None msg = "" # first check to see if there is any history at all @@ -1315,24 +1311,23 @@ def get_background_task_table(course_id, problem_url, student=None): else: datatable = {} datatable['header'] = ["Order", - "Task Name", - "Student", + "Task Type", "Task Id", "Requester", "Submitted", - "Duration", + "Duration (ms)", "Task State", "Task Status", - "Message"] + "Task Output"] datatable['data'] = [] for i, course_task in enumerate(history_entries): # get duration info, if known: duration_ms = 'unknown' - if hasattr(course_task, 'task_progress'): - task_progress = json.loads(course_task.task_progress) - if 'duration_ms' in task_progress: - duration_ms = task_progress['duration_ms'] + if hasattr(course_task, 'task_outputs'): + task_outputs = json.loads(course_task.task_output) + if 'duration_ms' in task_outputs: + duration_ms = task_outputs['duration_ms'] # get progress status message: success, message = task_queue.get_task_completion_message(course_task) if success: @@ -1341,17 +1336,14 @@ def get_background_task_table(course_id, problem_url, student=None): status = "Incomplete" # generate row for this task: row = ["#{0}".format(len(history_entries) - i), - str(course_task.task_name), - str(course_task.student), + str(course_task.task_type), str(course_task.task_id), str(course_task.requester), course_task.created.strftime("%Y/%m/%d %H:%M:%S"), duration_ms, - #course_task.updated.strftime("%Y/%m/%d %H:%M:%S"), str(course_task.task_state), status, message] datatable['data'].append(row) return msg, datatable - diff --git a/lms/templates/courseware/instructor_dashboard.html b/lms/templates/courseware/instructor_dashboard.html index 87e371c6bf..1729edcfc6 100644 --- a/lms/templates/courseware/instructor_dashboard.html +++ b/lms/templates/courseware/instructor_dashboard.html @@ -312,7 +312,7 @@ function goto( mode)

Then select an action: - +

These actions run in the background, and status for active tasks will appear in a table below. @@ -349,7 +349,7 @@ function goto( mode) Then select an action: %if settings.MITX_FEATURES.get('ENABLE_COURSE_BACKGROUND_TASKS'): - + %endif

@@ -360,7 +360,7 @@ function goto( mode)

%endif %if settings.MITX_FEATURES.get('ENABLE_COURSE_BACKGROUND_TASKS'): -

Regrading runs in the background, and status for active tasks will appear in a table below. +

Rescoring runs in the background, and status for active tasks will appear in a table below. To see status for all tasks submitted for this course and student, click on this button:

@@ -708,9 +708,8 @@ function goto( mode)

- - - + + @@ -722,9 +721,8 @@ function goto( mode) - - - + + From 9e11a5659faa092c0f04ace877a29d9ee159c090 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Sun, 2 Jun 2013 22:09:28 -0400 Subject: [PATCH 31/51] Rename task_queue.py to task_submit.py. --- .../{task_queue.py => task_submit.py} | 0 ...{test_task_queue.py => test_task_submit.py} | 18 +++++++++--------- lms/djangoapps/courseware/tests/test_tasks.py | 2 +- lms/djangoapps/instructor/views.py | 14 +++++++------- lms/envs/test.py | 6 ------ lms/urls.py | 2 +- 6 files changed, 18 insertions(+), 24 deletions(-) rename lms/djangoapps/courseware/{task_queue.py => task_submit.py} (100%) rename lms/djangoapps/courseware/tests/{test_task_queue.py => test_task_submit.py} (95%) diff --git a/lms/djangoapps/courseware/task_queue.py b/lms/djangoapps/courseware/task_submit.py similarity index 100% rename from lms/djangoapps/courseware/task_queue.py rename to lms/djangoapps/courseware/task_submit.py diff --git a/lms/djangoapps/courseware/tests/test_task_queue.py b/lms/djangoapps/courseware/tests/test_task_submit.py similarity index 95% rename from lms/djangoapps/courseware/tests/test_task_queue.py rename to lms/djangoapps/courseware/tests/test_task_submit.py index a3161c2411..08ddba42e6 100644 --- a/lms/djangoapps/courseware/tests/test_task_queue.py +++ b/lms/djangoapps/courseware/tests/test_task_submit.py @@ -12,14 +12,14 @@ from django.test.testcases import TestCase from xmodule.modulestore.exceptions import ItemNotFoundError from courseware.tests.factories import UserFactory, CourseTaskLogFactory -from courseware.task_queue import (get_running_course_tasks, - course_task_log_status, - _encode_problem_and_student_input, - AlreadyRunningError, - submit_rescore_problem_for_all_students, - submit_rescore_problem_for_student, - submit_reset_problem_attempts_for_all_students, - submit_delete_problem_state_for_all_students) +from courseware.task_submit import (get_running_course_tasks, + course_task_log_status, + _encode_problem_and_student_input, + AlreadyRunningError, + submit_rescore_problem_for_all_students, + submit_rescore_problem_for_student, + submit_reset_problem_attempts_for_all_students, + submit_delete_problem_state_for_all_students) log = logging.getLogger("mitx." + __name__) @@ -277,5 +277,5 @@ class TaskQueueTestCase(TestCase): request.user = self.student with self.assertRaises(AlreadyRunningError): # just skip making the argument check, so we don't have to fake it deeper down - with patch('courseware.task_queue._check_arguments_for_rescoring'): + with patch('courseware.task_submit._check_arguments_for_rescoring'): submit_rescore_problem_for_all_students(request, course_id, problem_url) diff --git a/lms/djangoapps/courseware/tests/test_tasks.py b/lms/djangoapps/courseware/tests/test_tasks.py index 3a5c5de58f..4552d18f31 100644 --- a/lms/djangoapps/courseware/tests/test_tasks.py +++ b/lms/djangoapps/courseware/tests/test_tasks.py @@ -20,7 +20,7 @@ from xmodule.modulestore.exceptions import ItemNotFoundError from student.tests.factories import CourseEnrollmentFactory, UserFactory, AdminFactory from courseware.model_data import StudentModule -from courseware.task_queue import (submit_rescore_problem_for_all_students, +from courseware.task_submit import (submit_rescore_problem_for_all_students, submit_rescore_problem_for_student, course_task_log_status, submit_reset_problem_attempts_for_all_students, diff --git a/lms/djangoapps/instructor/views.py b/lms/djangoapps/instructor/views.py index 7e53da48e3..53618d3760 100644 --- a/lms/djangoapps/instructor/views.py +++ b/lms/djangoapps/instructor/views.py @@ -25,7 +25,7 @@ from xmodule.modulestore.django import modulestore from xmodule.modulestore.exceptions import ItemNotFoundError from courseware import grades -from courseware import task_queue +from courseware import task_submit from courseware.access import (has_access, get_access_group_name, course_beta_test_group_name) from courseware.courses import get_course_with_access @@ -243,7 +243,7 @@ def instructor_dashboard(request, course_id): problem_urlname = request.POST.get('problem_for_all_students', '') problem_url = get_module_url(problem_urlname) try: - course_task_log_entry = task_queue.submit_rescore_problem_for_all_students(request, course_id, problem_url) + course_task_log_entry = task_submit.submit_rescore_problem_for_all_students(request, course_id, problem_url) if course_task_log_entry is None: msg += 'Failed to create a background task for rescoring "{0}".'.format(problem_url) else: @@ -260,7 +260,7 @@ def instructor_dashboard(request, course_id): problem_urlname = request.POST.get('problem_for_all_students', '') problem_url = get_module_url(problem_urlname) try: - course_task_log_entry = task_queue.submit_reset_problem_attempts_for_all_students(request, course_id, problem_url) + course_task_log_entry = task_submit.submit_reset_problem_attempts_for_all_students(request, course_id, problem_url) if course_task_log_entry is None: msg += 'Failed to create a background task for resetting "{0}".'.format(problem_url) else: @@ -356,7 +356,7 @@ def instructor_dashboard(request, course_id): msg += "Couldn't reset module state. " else: try: - course_task_log_entry = task_queue.submit_rescore_problem_for_student(request, course_id, module_state_key, student) + course_task_log_entry = task_submit.submit_rescore_problem_for_student(request, course_id, module_state_key, student) if course_task_log_entry is None: msg += 'Failed to create a background task for rescoring "{0}" for student {1}.'.format(module_state_key, unique_student_identifier) else: @@ -721,7 +721,7 @@ def instructor_dashboard(request, course_id): # generate list of pending background tasks if settings.MITX_FEATURES.get('ENABLE_COURSE_BACKGROUND_TASKS'): - course_tasks = task_queue.get_running_course_tasks(course_id) + course_tasks = task_submit.get_running_course_tasks(course_id) else: course_tasks = None @@ -1294,7 +1294,7 @@ def get_background_task_table(course_id, problem_url, student=None): Returns a tuple of (msg, datatable), where the msg is a possible error message, and the datatable is the datatable to be used for display. """ - history_entries = task_queue.get_course_task_history(course_id, problem_url, student) + history_entries = task_submit.get_course_task_history(course_id, problem_url, student) datatable = None msg = "" # first check to see if there is any history at all @@ -1329,7 +1329,7 @@ def get_background_task_table(course_id, problem_url, student=None): if 'duration_ms' in task_outputs: duration_ms = task_outputs['duration_ms'] # get progress status message: - success, message = task_queue.get_task_completion_message(course_task) + success, message = task_submit.get_task_completion_message(course_task) if success: status = "Complete" else: diff --git a/lms/envs/test.py b/lms/envs/test.py index 8e8097759c..5342d81a4e 100644 --- a/lms/envs/test.py +++ b/lms/envs/test.py @@ -189,9 +189,3 @@ PASSWORD_HASHERS = ( # 'django.contrib.auth.hashers.CryptPasswordHasher', ) -################################# CELERY ###################################### - -# By default don't use a worker, execute tasks as if they were local functions -CELERY_ALWAYS_EAGER = True -CELERY_RESULT_BACKEND = 'cache' -BROKER_TRANSPORT = 'memory' diff --git a/lms/urls.py b/lms/urls.py index 36fcd15985..cba6d76a4a 100644 --- a/lms/urls.py +++ b/lms/urls.py @@ -58,7 +58,7 @@ urlpatterns = ('', # nopep8 name='auth_password_reset_done'), url(r'^heartbeat$', include('heartbeat.urls')), - url(r'^course_task_log_status/$', 'courseware.task_queue.course_task_log_status', name='course_task_log_status'), + url(r'^course_task_log_status/$', 'courseware.task_submit.course_task_log_status', name='course_task_log_status'), ) # University profiles only make sense in the default edX context From d2b3977f572a2de149fb81889ba11b2a1ed070ca Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Mon, 3 Jun 2013 15:34:33 -0400 Subject: [PATCH 32/51] Add dogstat logging to background tasks. --- common/djangoapps/track/views.py | 17 +- common/lib/capa/capa/capa_problem.py | 96 +++--- .../lib/capa/capa/tests/test_responsetypes.py | 97 +++--- common/lib/xmodule/xmodule/capa_module.py | 17 +- .../xmodule/xmodule/tests/test_capa_module.py | 41 +-- .../0010_add_courseware_coursetasklog.py | 22 +- lms/djangoapps/courseware/models.py | 8 +- lms/djangoapps/courseware/module_render.py | 28 +- lms/djangoapps/courseware/task_submit.py | 294 ++++++++++-------- lms/djangoapps/courseware/tasks.py | 282 ++++++++++------- lms/djangoapps/courseware/tests/factories.py | 10 +- .../courseware/tests/test_task_submit.py | 175 ++++++----- lms/djangoapps/courseware/tests/test_tasks.py | 137 +++++--- lms/djangoapps/instructor/views.py | 153 ++++----- .../courseware/instructor_dashboard.html | 61 +++- lms/urls.py | 2 +- 16 files changed, 811 insertions(+), 629 deletions(-) diff --git a/common/djangoapps/track/views.py b/common/djangoapps/track/views.py index f56a8db5eb..221bab5468 100644 --- a/common/djangoapps/track/views.py +++ b/common/djangoapps/track/views.py @@ -20,6 +20,7 @@ LOGFIELDS = ['username', 'ip', 'event_source', 'event_type', 'event', 'agent', ' def log_event(event): + """Write tracking event to log file, and optionally to TrackingLog model.""" event_str = json.dumps(event) log.info(event_str[:settings.TRACK_MAX_EVENT]) if settings.MITX_FEATURES.get('ENABLE_SQL_TRACKING_LOGS'): @@ -32,6 +33,11 @@ def log_event(event): def user_track(request): + """ + Log when GET call to "event" URL is made by a user. + + GET call should provide "event_type", "event", and "page" arguments. + """ try: # TODO: Do the same for many of the optional META parameters username = request.user.username except: @@ -48,7 +54,6 @@ def user_track(request): except: agent = '' - # TODO: Move a bunch of this into log_event event = { "username": username, "session": scookie, @@ -66,6 +71,7 @@ def user_track(request): def server_track(request, event_type, event, page=None): + """Log events related to server requests.""" try: username = request.user.username except: @@ -95,7 +101,7 @@ def server_track(request, event_type, event, page=None): def task_track(request_info, task_info, event_type, event, page=None): """ - Outputs tracking information for events occuring within celery tasks. + Logs tracking information for events occuring within celery tasks. The `event_type` is a string naming the particular event being logged, while `event` is a dict containing whatever additional contextual information @@ -103,9 +109,11 @@ def task_track(request_info, task_info, event_type, event, page=None): The `request_info` is a dict containing information about the original task request. Relevant keys are `username`, `ip`, `agent`, and `host`. + While the dict is required, the values in it are not, so that {} can be + passed in. - In addition, a `task_info` dict provides more information to be stored with - the `event` dict. + In addition, a `task_info` dict provides more information about the current + task, to be stored with the `event` dict. This may also be an empty dict. The `page` parameter is optional, and allows the name of the page to be provided. @@ -136,6 +144,7 @@ def task_track(request_info, task_info, event_type, event, page=None): @login_required @ensure_csrf_cookie def view_tracking_log(request, args=''): + """View to output contents of TrackingLog model. For staff use only.""" if not request.user.is_staff: return redirect('/') nlen = 100 diff --git a/common/lib/capa/capa/capa_problem.py b/common/lib/capa/capa/capa_problem.py index 5e35660f80..5558b571e3 100644 --- a/common/lib/capa/capa/capa_problem.py +++ b/common/lib/capa/capa/capa_problem.py @@ -15,25 +15,22 @@ This is used by capa_module. from datetime import datetime import logging -import math -import numpy import os.path import re -import sys from lxml import etree from xml.sax.saxutils import unescape from copy import deepcopy from .correctmap import CorrectMap -import inputtypes -import customrender +import capa.inputtypes as inputtypes +import capa.customrender as customrender from .util import contextualize_text, convert_files_to_filenames -import xqueue_interface +import capa.xqueue_interface as xqueue_interface # to be replaced with auto-registering -import responsetypes -import safe_exec +import capa.responsetypes as responsetypes +from capa.safe_exec import safe_exec # dict of tagname, Response Class -- this should come from auto-registering response_tag_dict = dict([(x.response_tag, x) for x in responsetypes.__all__]) @@ -134,7 +131,6 @@ class LoncapaProblem(object): self.extracted_tree = self._extract_html(self.tree) - def do_reset(self): ''' Reset internal state to unfinished, with no answers @@ -175,7 +171,7 @@ class LoncapaProblem(object): Return the maximum score for this problem. ''' maxscore = 0 - for response, responder in self.responders.iteritems(): + for responder in self.responders.values(): maxscore += responder.get_max_score() return maxscore @@ -220,7 +216,7 @@ class LoncapaProblem(object): def ungraded_response(self, xqueue_msg, queuekey): ''' Handle any responses from the xqueue that do not contain grades - Will try to pass the queue message to all inputtypes that can handle ungraded responses + Will try to pass the queue message to all inputtypes that can handle ungraded responses Does not return any value ''' @@ -257,7 +253,8 @@ class LoncapaProblem(object): def grade_answers(self, answers): ''' Grade student responses. Called by capa_module.check_problem. - answers is a dict of all the entries from request.POST, but with the first part + + `answers` is a dict of all the entries from request.POST, but with the first part of each key removed (the string before the first "_"). Thus, for example, input_ID123 -> ID123, and input_fromjs_ID123 -> fromjs_ID123 @@ -286,13 +283,12 @@ class LoncapaProblem(object): that the responsetypes are synchronous. This is convenient as it permits rescoring to be complete when the rescoring call returns. """ - # We check for synchronous grading and no file submissions by - # screening out all problems with a CodeResponse type. - for responder in self.responders.values(): - if 'filesubmission' in responder.allowed_inputfields: - return False - - return True + return all('filesubmission' not in responder.allowed_inputfields for responder in self.responders.values()) +# for responder in self.responders.values(): +# if 'filesubmission' in responder.allowed_inputfields: +# return False +# +# return True def rescore_existing_answers(self): ''' @@ -300,15 +296,17 @@ class LoncapaProblem(object): ''' return self._grade_answers(None) - def _grade_answers(self, answers): + def _grade_answers(self, student_answers): ''' - Internal grading call used for checking new student answers and also - rescoring existing student answers. + Internal grading call used for checking new 'student_answers' and also + rescoring existing student_answers. - answers is a dict of all the entries from request.POST, but with the first part - of each key removed (the string before the first "_"). + For new student_answers being graded, `student_answers` is a dict of all the + entries from request.POST, but with the first part of each key removed + (the string before the first "_"). Thus, for example, + input_ID123 -> ID123, and input_fromjs_ID123 -> fromjs_ID123. - Thus, for example, input_ID123 -> ID123, and input_fromjs_ID123 -> fromjs_ID123 + For rescoring, `student_answers` is None. Calls the Response for each question in this problem, to do the actual grading. ''' @@ -325,18 +323,19 @@ class LoncapaProblem(object): # student_answers contains a proper answer or the filename of # an earlier submission, so for now skip these entirely. # TODO: figure out where to get file submissions when rescoring. - if 'filesubmission' in responder.allowed_inputfields and answers is None: + if 'filesubmission' in responder.allowed_inputfields and student_answers is None: raise Exception("Cannot rescore problems with possible file submissions") - # use 'answers' if it is provided, otherwise use the saved student_answers. - if answers is not None: - results = responder.evaluate_answers(answers, oldcmap) + # use 'student_answers' only if it is provided, and if it might contain a file + # submission that would not exist in the persisted "student_answers". + if 'filesubmission' in responder.allowed_inputfields and student_answers is not None: + results = responder.evaluate_answers(student_answers, oldcmap) else: results = responder.evaluate_answers(self.student_answers, oldcmap) newcmap.update(results) self.correct_map = newcmap - # log.debug('%s: in grade_answers, answers=%s, cmap=%s' % (self,answers,newcmap)) + # log.debug('%s: in grade_answers, student_answers=%s, cmap=%s' % (self,student_answers,newcmap)) return newcmap def get_question_answers(self): @@ -380,7 +379,6 @@ class LoncapaProblem(object): html = contextualize_text(etree.tostring(self._extract_html(self.tree)), self.context) return html - def handle_input_ajax(self, get): ''' InputTypes can support specialized AJAX calls. Find the correct input and pass along the correct data @@ -397,8 +395,6 @@ class LoncapaProblem(object): log.warning("Could not find matching input for id: %s" % input_id) return {} - - # ======= Private Methods Below ======== def _process_includes(self): @@ -408,16 +404,16 @@ class LoncapaProblem(object): ''' includes = self.tree.findall('.//include') for inc in includes: - file = inc.get('file') - if file is not None: + filename = inc.get('file') + if filename is not None: try: # open using ModuleSystem OSFS filestore - ifp = self.system.filestore.open(file) + ifp = self.system.filestore.open(filename) except Exception as err: log.warning('Error %s in problem xml include: %s' % ( err, etree.tostring(inc, pretty_print=True))) log.warning('Cannot find file %s in %s' % ( - file, self.system.filestore)) + filename, self.system.filestore)) # if debugging, don't fail - just log error # TODO (vshnayder): need real error handling, display to users if not self.system.get('DEBUG'): @@ -430,7 +426,7 @@ class LoncapaProblem(object): except Exception as err: log.warning('Error %s in problem xml include: %s' % ( err, etree.tostring(inc, pretty_print=True))) - log.warning('Cannot parse XML in %s' % (file)) + log.warning('Cannot parse XML in %s' % (filename)) # if debugging, don't fail - just log error # TODO (vshnayder): same as above if not self.system.get('DEBUG'): @@ -438,11 +434,11 @@ class LoncapaProblem(object): else: continue - # insert new XML into tree in place of inlcude + # insert new XML into tree in place of include parent = inc.getparent() parent.insert(parent.index(inc), incxml) parent.remove(inc) - log.debug('Included %s into %s' % (file, self.problem_id)) + log.debug('Included %s into %s' % (filename, self.problem_id)) def _extract_system_path(self, script): """ @@ -512,7 +508,7 @@ class LoncapaProblem(object): if all_code: try: - safe_exec.safe_exec( + safe_exec( all_code, context, random_seed=self.seed, @@ -568,18 +564,18 @@ class LoncapaProblem(object): value = "" if self.student_answers and problemid in self.student_answers: value = self.student_answers[problemid] - + if input_id not in self.input_state: self.input_state[input_id] = {} - + # do the rendering state = {'value': value, - 'status': status, - 'id': input_id, - 'input_state': self.input_state[input_id], - 'feedback': {'message': msg, - 'hint': hint, - 'hintmode': hintmode, }} + 'status': status, + 'id': input_id, + 'input_state': self.input_state[input_id], + 'feedback': {'message': msg, + 'hint': hint, + 'hintmode': hintmode, }} input_type_cls = inputtypes.registry.get_class_for_tag(problemtree.tag) # save the input type so that we can make ajax calls on it if we need to @@ -603,7 +599,7 @@ class LoncapaProblem(object): for item in problemtree: item_xhtml = self._extract_html(item) if item_xhtml is not None: - tree.append(item_xhtml) + tree.append(item_xhtml) if tree.tag in html_transforms: tree.tag = html_transforms[problemtree.tag]['tag'] diff --git a/common/lib/capa/capa/tests/test_responsetypes.py b/common/lib/capa/capa/tests/test_responsetypes.py index 20de19f567..0bd7b70aed 100644 --- a/common/lib/capa/capa/tests/test_responsetypes.py +++ b/common/lib/capa/capa/tests/test_responsetypes.py @@ -4,7 +4,6 @@ Tests of responsetypes from datetime import datetime import json -from nose.plugins.skip import SkipTest import os import random import unittest @@ -56,9 +55,18 @@ class ResponseTest(unittest.TestCase): self.assertEqual(result, 'incorrect', msg="%s should be marked incorrect" % str(input_str)) + def _get_random_number_code(self): + """Returns code to be used to generate a random result.""" + return "str(random.randint(0, 1e9))" + + def _get_random_number_result(self, seed_value): + """Returns a result that should be generated using the random_number_code.""" + rand = random.Random(seed_value) + return str(rand.randint(0, 1e9)) + class MultiChoiceResponseTest(ResponseTest): - from response_xml_factory import MultipleChoiceResponseXMLFactory + from capa.tests.response_xml_factory import MultipleChoiceResponseXMLFactory xml_factory_class = MultipleChoiceResponseXMLFactory def test_multiple_choice_grade(self): @@ -80,7 +88,7 @@ class MultiChoiceResponseTest(ResponseTest): class TrueFalseResponseTest(ResponseTest): - from response_xml_factory import TrueFalseResponseXMLFactory + from capa.tests.response_xml_factory import TrueFalseResponseXMLFactory xml_factory_class = TrueFalseResponseXMLFactory def test_true_false_grade(self): @@ -120,7 +128,7 @@ class TrueFalseResponseTest(ResponseTest): class ImageResponseTest(ResponseTest): - from response_xml_factory import ImageResponseXMLFactory + from capa.tests.response_xml_factory import ImageResponseXMLFactory xml_factory_class = ImageResponseXMLFactory def test_rectangle_grade(self): @@ -184,7 +192,7 @@ class ImageResponseTest(ResponseTest): class SymbolicResponseTest(ResponseTest): - from response_xml_factory import SymbolicResponseXMLFactory + from capa.tests.response_xml_factory import SymbolicResponseXMLFactory xml_factory_class = SymbolicResponseXMLFactory def test_grade_single_input(self): @@ -224,8 +232,8 @@ class SymbolicResponseTest(ResponseTest): def test_complex_number_grade(self): problem = self.build_problem(math_display=True, - expect="[[cos(theta),i*sin(theta)],[i*sin(theta),cos(theta)]]", - options=["matrix", "imaginary"]) + expect="[[cos(theta),i*sin(theta)],[i*sin(theta),cos(theta)]]", + options=["matrix", "imaginary"]) # For LaTeX-style inputs, symmath_check() will try to contact # a server to convert the input to MathML. @@ -312,16 +320,16 @@ class SymbolicResponseTest(ResponseTest): # Should not allow multiple inputs, since we specify # only one "expect" value with self.assertRaises(Exception): - problem = self.build_problem(math_display=True, - expect="2*x+3*y", - num_inputs=3) + self.build_problem(math_display=True, + expect="2*x+3*y", + num_inputs=3) def _assert_symbolic_grade(self, problem, - student_input, - dynamath_input, - expected_correctness): + student_input, + dynamath_input, + expected_correctness): input_dict = {'1_2_1': str(student_input), - '1_2_1_dynamath': str(dynamath_input)} + '1_2_1_dynamath': str(dynamath_input)} correct_map = problem.grade_answers(input_dict) @@ -330,7 +338,7 @@ class SymbolicResponseTest(ResponseTest): class OptionResponseTest(ResponseTest): - from response_xml_factory import OptionResponseXMLFactory + from capa.tests.response_xml_factory import OptionResponseXMLFactory xml_factory_class = OptionResponseXMLFactory def test_grade(self): @@ -350,7 +358,7 @@ class FormulaResponseTest(ResponseTest): """ Test the FormulaResponse class """ - from response_xml_factory import FormulaResponseXMLFactory + from capa.tests.response_xml_factory import FormulaResponseXMLFactory xml_factory_class = FormulaResponseXMLFactory def test_grade(self): @@ -570,7 +578,7 @@ class FormulaResponseTest(ResponseTest): class StringResponseTest(ResponseTest): - from response_xml_factory import StringResponseXMLFactory + from capa.tests.response_xml_factory import StringResponseXMLFactory xml_factory_class = StringResponseXMLFactory def test_case_sensitive(self): @@ -647,19 +655,19 @@ class StringResponseTest(ResponseTest): hintfn="gimme_a_random_hint", script=textwrap.dedent(""" def gimme_a_random_hint(answer_ids, student_answers, new_cmap, old_cmap): - answer = str(random.randint(0, 1e9)) + answer = {code} new_cmap.set_hint_and_mode(answer_ids[0], answer, "always") - """) + """.format(code=self._get_random_number_code())) ) correct_map = problem.grade_answers({'1_2_1': '2'}) hint = correct_map.get_hint('1_2_1') - r = random.Random(problem.seed) - self.assertEqual(hint, str(r.randint(0, 1e9))) +# rand = random.Random(problem.seed) + self.assertEqual(hint, self._get_random_number_result(problem.seed)) class CodeResponseTest(ResponseTest): - from response_xml_factory import CodeResponseXMLFactory + from capa.tests.response_xml_factory import CodeResponseXMLFactory xml_factory_class = CodeResponseXMLFactory def setUp(self): @@ -673,6 +681,7 @@ class CodeResponseTest(ResponseTest): @staticmethod def make_queuestate(key, time): + """Create queuestate dict""" timestr = datetime.strftime(time, dateformat) return {'key': key, 'time': timestr} @@ -710,7 +719,7 @@ class CodeResponseTest(ResponseTest): old_cmap = CorrectMap() for i, answer_id in enumerate(answer_ids): queuekey = 1000 + i - queuestate = CodeResponseTest.make_queuestate(1000 + i, datetime.now()) + queuestate = CodeResponseTest.make_queuestate(queuekey, datetime.now()) old_cmap.update(CorrectMap(answer_id=answer_ids[i], queuestate=queuestate)) # Message format common to external graders @@ -771,7 +780,7 @@ class CodeResponseTest(ResponseTest): for i, answer_id in enumerate(answer_ids): queuekey = 1000 + i latest_timestamp = datetime.now() - queuestate = CodeResponseTest.make_queuestate(1000 + i, latest_timestamp) + queuestate = CodeResponseTest.make_queuestate(queuekey, latest_timestamp) cmap.update(CorrectMap(answer_id=answer_id, queuestate=queuestate)) self.problem.correct_map.update(cmap) @@ -796,7 +805,7 @@ class CodeResponseTest(ResponseTest): class ChoiceResponseTest(ResponseTest): - from response_xml_factory import ChoiceResponseXMLFactory + from capa.tests.response_xml_factory import ChoiceResponseXMLFactory xml_factory_class = ChoiceResponseXMLFactory def test_radio_group_grade(self): @@ -828,7 +837,7 @@ class ChoiceResponseTest(ResponseTest): class JavascriptResponseTest(ResponseTest): - from response_xml_factory import JavascriptResponseXMLFactory + from capa.tests.response_xml_factory import JavascriptResponseXMLFactory xml_factory_class = JavascriptResponseXMLFactory def test_grade(self): @@ -858,7 +867,7 @@ class JavascriptResponseTest(ResponseTest): system.can_execute_unsafe_code = lambda: False with self.assertRaises(LoncapaProblemError): - problem = self.build_problem( + self.build_problem( system=system, generator_src="test_problem_generator.js", grader_src="test_problem_grader.js", @@ -869,7 +878,7 @@ class JavascriptResponseTest(ResponseTest): class NumericalResponseTest(ResponseTest): - from response_xml_factory import NumericalResponseXMLFactory + from capa.tests.response_xml_factory import NumericalResponseXMLFactory xml_factory_class = NumericalResponseXMLFactory def test_grade_exact(self): @@ -961,7 +970,7 @@ class NumericalResponseTest(ResponseTest): class CustomResponseTest(ResponseTest): - from response_xml_factory import CustomResponseXMLFactory + from capa.tests.response_xml_factory import CustomResponseXMLFactory xml_factory_class = CustomResponseXMLFactory def test_inline_code(self): @@ -1000,15 +1009,14 @@ class CustomResponseTest(ResponseTest): def test_inline_randomization(self): # Make sure the seed from the problem gets fed into the script execution. - inline_script = """messages[0] = str(random.randint(0, 1e9))""" + inline_script = "messages[0] = {code}".format(code=self._get_random_number_code()) problem = self.build_problem(answer=inline_script) input_dict = {'1_2_1': '0'} correctmap = problem.grade_answers(input_dict) input_msg = correctmap.get_msg('1_2_1') - r = random.Random(problem.seed) - self.assertEqual(input_msg, str(r.randint(0, 1e9))) + self.assertEqual(input_msg, self._get_random_number_result(problem.seed)) def test_function_code_single_input(self): # For function code, we pass in these arguments: @@ -1241,25 +1249,23 @@ class CustomResponseTest(ResponseTest): def test_setup_randomization(self): # Ensure that the problem setup script gets the random seed from the problem. script = textwrap.dedent(""" - num = random.randint(0, 1e9) - """) + num = {code} + """.format(code=self._get_random_number_code())) problem = self.build_problem(script=script) - r = random.Random(problem.seed) - self.assertEqual(r.randint(0, 1e9), problem.context['num']) + self.assertEqual(problem.context['num'], self._get_random_number_result(problem.seed)) def test_check_function_randomization(self): # The check function should get random-seeded from the problem. script = textwrap.dedent(""" def check_func(expect, answer_given): - return {'ok': True, 'msg': str(random.randint(0, 1e9))} - """) + return {{'ok': True, 'msg': {code} }} + """.format(code=self._get_random_number_code())) problem = self.build_problem(script=script, cfn="check_func", expect="42") input_dict = {'1_2_1': '42'} correct_map = problem.grade_answers(input_dict) msg = correct_map.get_msg('1_2_1') - r = random.Random(problem.seed) - self.assertEqual(msg, str(r.randint(0, 1e9))) + self.assertEqual(msg, self._get_random_number_result(problem.seed)) def test_module_imports_inline(self): ''' @@ -1320,7 +1326,7 @@ class CustomResponseTest(ResponseTest): class SchematicResponseTest(ResponseTest): - from response_xml_factory import SchematicResponseXMLFactory + from capa.tests.response_xml_factory import SchematicResponseXMLFactory xml_factory_class = SchematicResponseXMLFactory def test_grade(self): @@ -1349,11 +1355,10 @@ class SchematicResponseTest(ResponseTest): def test_check_function_randomization(self): # The check function should get a random seed from the problem. - script = "correct = ['correct' if (submission[0]['num'] == random.randint(0, 1e9)) else 'incorrect']" + script = "correct = ['correct' if (submission[0]['num'] == {code}) else 'incorrect']".format(code=self._get_random_number_code()) problem = self.build_problem(answer=script) - r = random.Random(problem.seed) - submission_dict = {'num': r.randint(0, 1e9)} + submission_dict = {'num': self._get_random_number_result(problem.seed)} input_dict = {'1_2_1': json.dumps(submission_dict)} correct_map = problem.grade_answers(input_dict) @@ -1372,7 +1377,7 @@ class SchematicResponseTest(ResponseTest): class AnnotationResponseTest(ResponseTest): - from response_xml_factory import AnnotationResponseXMLFactory + from capa.tests.response_xml_factory import AnnotationResponseXMLFactory xml_factory_class = AnnotationResponseXMLFactory def test_grade(self): @@ -1393,7 +1398,7 @@ class AnnotationResponseTest(ResponseTest): {'correctness': incorrect, 'points': 0, 'answers': {answer_id: 'null'}}, ] - for (index, test) in enumerate(tests): + for test in tests: expected_correctness = test['correctness'] expected_points = test['points'] answers = test['answers'] diff --git a/common/lib/xmodule/xmodule/capa_module.py b/common/lib/xmodule/xmodule/capa_module.py index c911e1ed58..f2c4a799de 100644 --- a/common/lib/xmodule/xmodule/capa_module.py +++ b/common/lib/xmodule/xmodule/capa_module.py @@ -424,7 +424,7 @@ class CapaModule(CapaFields, XModule): # If we cannot construct the problem HTML, # then generate an error message instead. - except Exception, err: + except Exception as err: html = self.handle_problem_html_error(err) # The convention is to pass the name of the check button @@ -780,7 +780,7 @@ class CapaModule(CapaFields, XModule): return {'success': msg} - except Exception, err: + except Exception as err: if self.system.DEBUG: msg = "Error checking problem: " + str(err) msg += '\nTraceback:\n' + traceback.format_exc() @@ -845,13 +845,10 @@ class CapaModule(CapaFields, XModule): # get old score, for comparison: orig_score = self.lcp.get_score() event_info['orig_score'] = orig_score['score'] - event_info['orig_max_score'] = orig_score['total'] + event_info['orig_total'] = orig_score['total'] try: correct_map = self.lcp.rescore_existing_answers() - # rescoring should have no effect on attempts, so don't - # need to increment here, or mark done. Just save. - self.set_state_from_lcp() except (StudentInputError, ResponseError, LoncapaProblemError) as inst: log.warning("StudentInputError in capa_module:problem_rescore", exc_info=True) @@ -859,7 +856,7 @@ class CapaModule(CapaFields, XModule): self.system.track_function('problem_rescore_fail', event_info) return {'success': "Error: {0}".format(inst.message)} - except Exception, err: + except Exception as err: event_info['failure'] = 'unexpected' self.system.track_function('problem_rescore_fail', event_info) if self.system.DEBUG: @@ -868,11 +865,15 @@ class CapaModule(CapaFields, XModule): return {'success': msg} raise + # rescoring should have no effect on attempts, so don't + # need to increment here, or mark done. Just save. + self.set_state_from_lcp() + self.publish_grade() new_score = self.lcp.get_score() event_info['new_score'] = new_score['score'] - event_info['new_max_score'] = new_score['total'] + event_info['new_total'] = new_score['total'] # success = correct if ALL questions in this problem are correct success = 'correct' diff --git a/common/lib/xmodule/xmodule/tests/test_capa_module.py b/common/lib/xmodule/xmodule/tests/test_capa_module.py index 32a87d0fd0..e71abc811d 100644 --- a/common/lib/xmodule/xmodule/tests/test_capa_module.py +++ b/common/lib/xmodule/xmodule/tests/test_capa_module.py @@ -618,10 +618,11 @@ class CapaModuleTest(unittest.TestCase): self.assertEqual(module.attempts, 1) def test_rescore_problem_incorrect(self): - + # make sure it also works when attempts have been reset, + # so add this to the test: module = CapaFactory.create(attempts=0, done=True) - # Simulate that all answers are marked correct, no matter + # Simulate that all answers are marked incorrect, no matter # what the input is, by patching LoncapaResponse.evaluate_answers() with patch('capa.responsetypes.LoncapaResponse.evaluate_answers') as mock_evaluate_answers: mock_evaluate_answers.return_value = CorrectMap(CapaFactory.answer_key(), 'incorrect') @@ -650,27 +651,31 @@ class CapaModuleTest(unittest.TestCase): with self.assertRaises(NotImplementedError): module.rescore_problem() - def test_rescore_problem_error(self): + def _rescore_problem_error_helper(self, exception_class): + """Helper to allow testing all errors that rescoring might return.""" + # Create the module + module = CapaFactory.create(attempts=1, done=True) - # Try each exception that capa_module should handle - for exception_class in [StudentInputError, - LoncapaProblemError, - ResponseError]: + # Simulate answering a problem that raises the exception + with patch('capa.capa_problem.LoncapaProblem.rescore_existing_answers') as mock_rescore: + mock_rescore.side_effect = exception_class('test error') + result = module.rescore_problem() - # Create the module - module = CapaFactory.create(attempts=1, done=True) + # Expect an AJAX alert message in 'success' + expected_msg = 'Error: test error' + self.assertEqual(result['success'], expected_msg) - # Simulate answering a problem that raises the exception - with patch('capa.capa_problem.LoncapaProblem.rescore_existing_answers') as mock_rescore: - mock_rescore.side_effect = exception_class('test error') - result = module.rescore_problem() + # Expect that the number of attempts is NOT incremented + self.assertEqual(module.attempts, 1) - # Expect an AJAX alert message in 'success' - expected_msg = 'Error: test error' - self.assertEqual(result['success'], expected_msg) + def test_rescore_problem_student_input_error(self): + self._rescore_problem_error_helper(StudentInputError) - # Expect that the number of attempts is NOT incremented - self.assertEqual(module.attempts, 1) + def test_rescore_problem_problem_error(self): + self._rescore_problem_error_helper(LoncapaProblemError) + + def test_rescore_problem_response_error(self): + self._rescore_problem_error_helper(ResponseError) def test_save_problem(self): module = CapaFactory.create(done=False) diff --git a/lms/djangoapps/courseware/migrations/0010_add_courseware_coursetasklog.py b/lms/djangoapps/courseware/migrations/0010_add_courseware_coursetasklog.py index 6889cad7fd..ac933b140a 100644 --- a/lms/djangoapps/courseware/migrations/0010_add_courseware_coursetasklog.py +++ b/lms/djangoapps/courseware/migrations/0010_add_courseware_coursetasklog.py @@ -8,8 +8,8 @@ from django.db import models class Migration(SchemaMigration): def forwards(self, orm): - # Adding model 'CourseTaskLog' - db.create_table('courseware_coursetasklog', ( + # Adding model 'CourseTask' + db.create_table('courseware_coursetask', ( ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)), ('task_type', self.gf('django.db.models.fields.CharField')(max_length=50, db_index=True)), ('course_id', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)), @@ -19,15 +19,15 @@ class Migration(SchemaMigration): ('task_state', self.gf('django.db.models.fields.CharField')(max_length=50, null=True, db_index=True)), ('task_output', self.gf('django.db.models.fields.CharField')(max_length=1024, null=True)), ('requester', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['auth.User'])), - ('created', self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, null=True, db_index=True, blank=True)), - ('updated', self.gf('django.db.models.fields.DateTimeField')(auto_now=True, db_index=True, blank=True)), + ('created', self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, null=True, blank=True)), + ('updated', self.gf('django.db.models.fields.DateTimeField')(auto_now=True, blank=True)), )) - db.send_create_signal('courseware', ['CourseTaskLog']) + db.send_create_signal('courseware', ['CourseTask']) def backwards(self, orm): - # Deleting model 'CourseTaskLog' - db.delete_table('courseware_coursetasklog') + # Deleting model 'CourseTask' + db.delete_table('courseware_coursetask') models = { @@ -67,10 +67,10 @@ class Migration(SchemaMigration): 'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}), 'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}) }, - 'courseware.coursetasklog': { - 'Meta': {'object_name': 'CourseTaskLog'}, + 'courseware.coursetask': { + 'Meta': {'object_name': 'CourseTask'}, 'course_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}), - 'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'null': 'True', 'db_index': 'True', 'blank': 'True'}), + 'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'null': 'True', 'blank': 'True'}), 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), 'requester': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}), 'task_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}), @@ -79,7 +79,7 @@ class Migration(SchemaMigration): 'task_output': ('django.db.models.fields.CharField', [], {'max_length': '1024', 'null': 'True'}), 'task_state': ('django.db.models.fields.CharField', [], {'max_length': '50', 'null': 'True', 'db_index': 'True'}), 'task_type': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}), - 'updated': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}) + 'updated': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}) }, 'courseware.offlinecomputedgrade': { 'Meta': {'unique_together': "(('user', 'course_id'),)", 'object_name': 'OfflineComputedGrade'}, diff --git a/lms/djangoapps/courseware/models.py b/lms/djangoapps/courseware/models.py index 7e9a716005..d24eb07d9d 100644 --- a/lms/djangoapps/courseware/models.py +++ b/lms/djangoapps/courseware/models.py @@ -265,7 +265,7 @@ class OfflineComputedGradeLog(models.Model): return "[OCGLog] %s: %s" % (self.course_id, self.created) -class CourseTaskLog(models.Model): +class CourseTask(models.Model): """ Stores information about background tasks that have been submitted to perform course-specific work. @@ -295,11 +295,11 @@ class CourseTaskLog(models.Model): task_state = models.CharField(max_length=50, null=True, db_index=True) # max_length from celery_taskmeta task_output = models.CharField(max_length=1024, null=True) requester = models.ForeignKey(User, db_index=True) - created = models.DateTimeField(auto_now_add=True, null=True, db_index=True) - updated = models.DateTimeField(auto_now=True, db_index=True) + created = models.DateTimeField(auto_now_add=True, null=True) + updated = models.DateTimeField(auto_now=True) def __repr__(self): - return 'CourseTaskLog<%r>' % ({ + return 'CourseTask<%r>' % ({ 'task_type': self.task_type, 'course_id': self.course_id, 'task_input': self.task_input, diff --git a/lms/djangoapps/courseware/module_render.py b/lms/djangoapps/courseware/module_render.py index 86aaf3137a..0a44540577 100644 --- a/lms/djangoapps/courseware/module_render.py +++ b/lms/djangoapps/courseware/module_render.py @@ -165,19 +165,19 @@ def get_xqueue_callback_url_prefix(request): """ Calculates default prefix based on request, but allows override via settings - This is separated so that it can be called by the LMS before submitting - background tasks to run. The xqueue callbacks should go back to the LMS, - not to the worker. + This is separated from get_module_for_descriptor so that it can be called + by the LMS before submitting background tasks to run. The xqueue callbacks + should go back to the LMS, not to the worker. """ - default_xqueue_callback_url_prefix = '{proto}://{host}'.format( + prefix = '{proto}://{host}'.format( proto=request.META.get('HTTP_X_FORWARDED_PROTO', 'https' if request.is_secure() else 'http'), host=request.get_host() ) - return settings.XQUEUE_INTERFACE.get('callback_url', default_xqueue_callback_url_prefix) + return settings.XQUEUE_INTERFACE.get('callback_url', prefix) def get_module_for_descriptor(user, request, descriptor, model_data_cache, course_id, - position=None, wrap_xmodule_display=True, grade_bucket_type=None): + position=None, wrap_xmodule_display=True, grade_bucket_type=None): """ Implements get_module, extracting out the request-specific functionality. @@ -192,14 +192,12 @@ def get_module_for_descriptor(user, request, descriptor, model_data_cache, cours return get_module_for_descriptor_internal(user, descriptor, model_data_cache, course_id, track_function, xqueue_callback_url_prefix, - position=position, - wrap_xmodule_display=wrap_xmodule_display, - grade_bucket_type=grade_bucket_type) + position, wrap_xmodule_display, grade_bucket_type) def get_module_for_descriptor_internal(user, descriptor, model_data_cache, course_id, - track_function, xqueue_callback_url_prefix, - position=None, wrap_xmodule_display=True, grade_bucket_type=None): + track_function, xqueue_callback_url_prefix, + position=None, wrap_xmodule_display=True, grade_bucket_type=None): """ Actually implement get_module, without requiring a request. @@ -267,15 +265,15 @@ def get_module_for_descriptor_internal(user, descriptor, model_data_cache, cours def inner_get_module(descriptor): """ - Delegate to get_module. It does an access check, so may return None + Delegate to get_module_for_descriptor_internal() with all values except `descriptor` set. + + Because it does an access check, it may return None. """ # TODO: fix this so that make_xqueue_callback uses the descriptor passed into # inner_get_module, not the parent's callback. Add it as an argument.... return get_module_for_descriptor_internal(user, descriptor, model_data_cache, course_id, track_function, make_xqueue_callback, - position=position, - wrap_xmodule_display=wrap_xmodule_display, - grade_bucket_type=grade_bucket_type) + position, wrap_xmodule_display, grade_bucket_type) def xblock_model_data(descriptor): return DbModel( diff --git a/lms/djangoapps/courseware/task_submit.py b/lms/djangoapps/courseware/task_submit.py index 37b9270b46..4064b709d2 100644 --- a/lms/djangoapps/courseware/task_submit.py +++ b/lms/djangoapps/courseware/task_submit.py @@ -1,20 +1,23 @@ +import hashlib import json import logging from django.http import HttpResponse from django.db import transaction from celery.result import AsyncResult -from celery.states import READY_STATES +from celery.states import READY_STATES, SUCCESS, FAILURE, REVOKED -from courseware.models import CourseTaskLog +from courseware.models import CourseTask from courseware.module_render import get_xqueue_callback_url_prefix -from courseware.tasks import (rescore_problem, +from courseware.tasks import (PROGRESS, rescore_problem, reset_problem_attempts, delete_problem_state) from xmodule.modulestore.django import modulestore log = logging.getLogger(__name__) +# define a "state" used in CourseTask +QUEUING = 'QUEUING' class AlreadyRunningError(Exception): pass @@ -22,11 +25,12 @@ class AlreadyRunningError(Exception): def get_running_course_tasks(course_id): """ - Returns a query of CourseTaskLog objects of running tasks for a given course. + Returns a query of CourseTask objects of running tasks for a given course. Used to generate a list of tasks to display on the instructor dashboard. """ - course_tasks = CourseTaskLog.objects.filter(course_id=course_id) + course_tasks = CourseTask.objects.filter(course_id=course_id) + # exclude states that are "ready" (i.e. not "running", e.g. failure, success, revoked): for state in READY_STATES: course_tasks = course_tasks.exclude(task_state=state) return course_tasks @@ -34,28 +38,27 @@ def get_running_course_tasks(course_id): def get_course_task_history(course_id, problem_url, student=None): """ - Returns a query of CourseTaskLog objects of historical tasks for a given course, + Returns a query of CourseTask objects of historical tasks for a given course, that match a particular problem and optionally a student. """ _, task_key = _encode_problem_and_student_input(problem_url, student) - course_tasks = CourseTaskLog.objects.filter(course_id=course_id, task_key=task_key) + course_tasks = CourseTask.objects.filter(course_id=course_id, task_key=task_key) return course_tasks.order_by('-id') -def course_task_log_status(request, task_id=None): +def course_task_status(request): """ - This returns the status of a course-related task as a JSON-serialized dict. + View method that returns the status of a course-related task or tasks. - The task_id can be specified in one of three ways: + Status is returned as a JSON-serialized dict, wrapped as the content of a HTTPResponse. - * explicitly as an argument to the method (by specifying in the url) + The task_id can be specified to this view in one of three ways: + + * by making a request containing 'task_id' as a parameter with a single value Returns a dict containing status information for the specified task_id - * by making a post request containing 'task_id' as a parameter with a single value - Returns a dict containing status information for the specified task_id - - * by making a post request containing 'task_ids' as a parameter, + * by making a request containing 'task_ids' as a parameter, with a list of task_id values. Returns a dict of dicts, with the task_id as key, and the corresponding dict containing status information for the specified task_id @@ -64,15 +67,13 @@ def course_task_log_status(request, task_id=None): """ output = {} - if task_id is not None: - output = _get_course_task_log_status(task_id) - elif 'task_id' in request.POST: - task_id = request.POST['task_id'] - output = _get_course_task_log_status(task_id) - elif 'task_ids[]' in request.POST: - tasks = request.POST.getlist('task_ids[]') + if 'task_id' in request.REQUEST: + task_id = request.REQUEST['task_id'] + output = _get_course_task_status(task_id) + elif 'task_ids[]' in request.REQUEST: + tasks = request.REQUEST.getlist('task_ids[]') for task_id in tasks: - task_output = _get_course_task_log_status(task_id) + task_output = _get_course_task_status(task_id) if task_output is not None: output[task_id] = task_output @@ -81,7 +82,8 @@ def course_task_log_status(request, task_id=None): def _task_is_running(course_id, task_type, task_key): """Checks if a particular task is already running""" - runningTasks = CourseTaskLog.objects.filter(course_id=course_id, task_type=task_type, task_key=task_key) + runningTasks = CourseTask.objects.filter(course_id=course_id, task_type=task_type, task_key=task_key) + # exclude states that are "ready" (i.e. not "running", e.g. failure, success, revoked): for state in READY_STATES: runningTasks = runningTasks.exclude(task_state=state) return len(runningTasks) > 0 @@ -92,7 +94,7 @@ def _reserve_task(course_id, task_type, task_key, task_input, requester): """ Creates a database entry to indicate that a task is in progress. - An exception is thrown if the task is already in progress. + Throws AlreadyRunningError if the task is already in progress. Autocommit annotation makes sure the database entry is committed. """ @@ -108,23 +110,23 @@ def _reserve_task(course_id, task_type, task_key, task_input, requester): 'task_state': 'QUEUING', 'requester': requester} - course_task_log = CourseTaskLog.objects.create(**tasklog_args) - return course_task_log + course_task = CourseTask.objects.create(**tasklog_args) + return course_task @transaction.autocommit -def _update_task(course_task_log, task_result): +def _update_task(course_task, task_result): """ Updates a database entry with information about the submitted task. Autocommit annotation makes sure the database entry is committed. """ - # we at least update the entry with the task_id, and for EAGER mode, - # we update other status as well. (For non-EAGER modes, the entry + # we at least update the entry with the task_id, and for ALWAYS_EAGER mode, + # we update other status as well. (For non-ALWAYS_EAGER modes, the entry # should not have changed except for setting PENDING state and the # addition of the task_id.) - _update_course_task_log(course_task_log, task_result) - course_task_log.save() + _update_course_task(course_task, task_result) + course_task.save() def _get_xmodule_instance_args(request): @@ -132,7 +134,7 @@ def _get_xmodule_instance_args(request): Calculate parameters needed for instantiating xmodule instances. The `request_info` will be passed to a tracking log function, to provide information - about the source of the task request. The `xqueue_callback_urul_prefix` is used to + about the source of the task request. The `xqueue_callback_url_prefix` is used to permit old-style xqueue callbacks directly to the appropriate module in the LMS. """ request_info = {'username': request.user.username, @@ -147,48 +149,61 @@ def _get_xmodule_instance_args(request): return xmodule_instance_args -def _update_course_task_log(course_task_log_entry, task_result): +def _update_course_task(course_task, task_result): """ - Updates and possibly saves a CourseTaskLog entry based on a task Result. + Updates and possibly saves a CourseTask entry based on a task Result. Used when a task initially returns, as well as when updated status is requested. - Calculates json to store in task_progress field. + The `course_task` that is passed in is updated in-place, but + is usually not saved. In general, tasks that have finished (either with + success or failure) should have their entries updated by the task itself, + so are not updated here. Tasks that are still running are not updated + while they run. So the one exception to the no-save rule are tasks that + are in a "revoked" state. This may mean that the task never had the + opportunity to update the CourseTask entry. + + Calculates json to store in "task_output" field of the `course_task`, + as well as updating the task_state and task_id (which may not yet be set + if this is the first call after the task is submitted). + + Returns a dict, with the following keys: + 'message': status message reporting on progress, or providing exception message if failed. + 'task_progress': dict containing progress information. This includes: + 'attempted': number of attempts made + 'updated': number of attempts that "succeeded" + 'total': number of possible subtasks to attempt + 'action_name': user-visible verb to use in status messages. Should be past-tense. + 'duration_ms': how long the task has (or had) been running. + 'task_traceback': optional, returned if task failed and produced a traceback. + 'succeeded': on complete tasks, indicates if the task outcome was successful: + did it achieve what it set out to do. + This is in contrast with a successful task_state, which indicates that the + task merely completed. + """ - # Just pull values out of the result object once. If we check them later, - # the state and result may have changed. + # Pull values out of the result object as close to each other as possible. + # If we wait and check the values later, the values for the state and result + # are more likely to have changed. Pull the state out first, and + # then code assuming that the result may not exactly match the state. task_id = task_result.task_id result_state = task_result.state returned_result = task_result.result result_traceback = task_result.traceback - # Assume we don't always update the CourseTaskLog entry if we don't have to: + # Assume we don't always update the CourseTask entry if we don't have to: entry_needs_saving = False output = {} - if result_state == 'PROGRESS': + if result_state == PROGRESS: # construct a status message directly from the task result's result: - if hasattr(task_result, 'result') and 'attempted' in returned_result: - fmt = "Attempted {attempted} of {total}, {action_name} {updated}" - message = fmt.format(attempted=returned_result['attempted'], - updated=returned_result['updated'], - total=returned_result['total'], - action_name=returned_result['action_name']) - output['message'] = message - log.info("task progress: %s", message) - else: - log.info("still making progress... ") - output['task_progress'] = returned_result - - elif result_state == 'SUCCESS': - # save progress into the entry, even if it's not being saved here -- for EAGER, # it needs to go back with the entry passed in. - course_task_log_entry.task_output = json.dumps(returned_result) + course_task.task_output = json.dumps(returned_result) output['task_progress'] = returned_result - log.info("task succeeded: %s", returned_result) + log.info("background task (%s), succeeded: %s", task_id, returned_result) - elif result_state == 'FAILURE': + elif result_state == FAILURE: # on failure, the result's result contains the exception that caused the failure exception = returned_result traceback = result_traceback if result_traceback is not None else '' @@ -197,13 +212,15 @@ def _update_course_task_log(course_task_log_entry, task_result): log.warning("background task (%s) failed: %s %s", task_id, returned_result, traceback) if result_traceback is not None: output['task_traceback'] = result_traceback - task_progress['traceback'] = result_traceback - # save progress into the entry, even if it's not being saved -- for EAGER, - # it needs to go back with the entry passed in. - course_task_log_entry.task_output = json.dumps(task_progress) + # truncate any traceback that goes into the CourseTask model: + task_progress['traceback'] = result_traceback[:700] + # save progress into the entry, even if it's not being saved: + # when celery is run in "ALWAYS_EAGER" mode, progress needs to go back + # with the entry passed in. + course_task.task_output = json.dumps(task_progress) output['task_progress'] = task_progress - elif result_state == 'REVOKED': + elif result_state == REVOKED: # on revocation, the result's result doesn't contain anything # but we cannot rely on the worker thread to set this status, # so we set it here. @@ -212,21 +229,24 @@ def _update_course_task_log(course_task_log_entry, task_result): output['message'] = message log.warning("background task (%s) revoked.", task_id) task_progress = {'message': message} - course_task_log_entry.task_output = json.dumps(task_progress) + course_task.task_output = json.dumps(task_progress) output['task_progress'] = task_progress - # always update the entry if the state has changed: - if result_state != course_task_log_entry.task_state: - course_task_log_entry.task_state = result_state - course_task_log_entry.task_id = task_id + # Always update the local version of the entry if the state has changed. + # This is important for getting the task_id into the initial version + # of the course_task, and also for development environments + # when this code is executed when celery is run in "ALWAYS_EAGER" mode. + if result_state != course_task.task_state: + course_task.task_state = result_state + course_task.task_id = task_id if entry_needs_saving: - course_task_log_entry.save() + course_task.save() return output -def _get_course_task_log_status(task_id): +def _get_course_task_status(task_id): """ Get the status for a given task_id. @@ -248,56 +268,61 @@ def _get_course_task_log_status(task_id): task merely completed. If task doesn't exist, returns None. + + If task has been REVOKED, the CourseTask entry will be updated. """ # First check if the task_id is known try: - course_task_log_entry = CourseTaskLog.objects.get(task_id=task_id) - except CourseTaskLog.DoesNotExist: - # TODO: log a message here + course_task = CourseTask.objects.get(task_id=task_id) + except CourseTask.DoesNotExist: + log.warning("query for CourseTask status failed: task_id=(%s) not found", task_id) return None - # define ajax return value: status = {} # if the task is not already known to be done, then we need to query # the underlying task's result object: - if course_task_log_entry.task_state not in READY_STATES: + if course_task.task_state not in READY_STATES: result = AsyncResult(task_id) - status.update(_update_course_task_log(course_task_log_entry, result)) - elif course_task_log_entry.task_output is not None: + status.update(_update_course_task(course_task, result)) + elif course_task.task_output is not None: # task is already known to have finished, but report on its status: - status['task_progress'] = json.loads(course_task_log_entry.task_output) + status['task_progress'] = json.loads(course_task.task_output) - # status basic information matching what's stored in CourseTaskLog: - status['task_id'] = course_task_log_entry.task_id - status['task_state'] = course_task_log_entry.task_state - status['in_progress'] = course_task_log_entry.task_state not in READY_STATES + # status basic information matching what's stored in CourseTask: + status['task_id'] = course_task.task_id + status['task_state'] = course_task.task_state + status['in_progress'] = course_task.task_state not in READY_STATES - if course_task_log_entry.task_state in READY_STATES: - succeeded, message = get_task_completion_message(course_task_log_entry) + if course_task.task_state in READY_STATES: + succeeded, message = get_task_completion_info(course_task) status['message'] = message status['succeeded'] = succeeded return status -def get_task_completion_message(course_task_log_entry): +def get_task_completion_info(course_task): """ - Construct progress message from progress information in CourseTaskLog entry. + Construct progress message from progress information in CourseTask entry. - Returns (boolean, message string) duple. + Returns (boolean, message string) duple, where the boolean indicates + whether the task completed without incident. (It is possible for a + task to attempt many sub-tasks, such as rescoring many students' problem + responses, and while the task runs to completion, some of the students' + responses could not be rescored.) - Used for providing messages to course_task_log_status(), as well as + Used for providing messages to course_task_status(), as well as external calls for providing course task submission history information. """ succeeded = False - if course_task_log_entry.task_output is None: - log.warning("No task_output information found for course_task {0}".format(course_task_log_entry.task_id)) + if course_task.task_output is None: + log.warning("No task_output information found for course_task {0}".format(course_task.task_id)) return (succeeded, "No status information available") - task_output = json.loads(course_task_log_entry.task_output) - if course_task_log_entry.task_state in ['FAILURE', 'REVOKED']: + task_output = json.loads(course_task.task_output) + if course_task.task_state in [FAILURE, REVOKED]: return(succeeded, task_output['message']) action_name = task_output['action_name'] @@ -305,58 +330,50 @@ def get_task_completion_message(course_task_log_entry): num_updated = task_output['updated'] num_total = task_output['total'] - if course_task_log_entry.task_input is None: - log.warning("No task_input information found for course_task {0}".format(course_task_log_entry.task_id)) + if course_task.task_input is None: + log.warning("No task_input information found for course_task {0}".format(course_task.task_id)) return (succeeded, "No status information available") - task_input = json.loads(course_task_log_entry.task_input) - problem_url = task_input.get('problem_url', None) - student = task_input.get('student', None) + task_input = json.loads(course_task.task_input) + problem_url = task_input.get('problem_url') + student = task_input.get('student') if student is not None: if num_attempted == 0: - msg = "Unable to find submission to be {action} for student '{student}'" + msg_format = "Unable to find submission to be {action} for student '{student}'" elif num_updated == 0: - msg = "Problem failed to be {action} for student '{student}'" + msg_format = "Problem failed to be {action} for student '{student}'" else: succeeded = True - msg = "Problem successfully {action} for student '{student}'" + msg_format = "Problem successfully {action} for student '{student}'" elif num_attempted == 0: - msg = "Unable to find any students with submissions to be {action}" + msg_format = "Unable to find any students with submissions to be {action}" elif num_updated == 0: - msg = "Problem failed to be {action} for any of {attempted} students" + msg_format = "Problem failed to be {action} for any of {attempted} students" elif num_updated == num_attempted: succeeded = True - msg = "Problem successfully {action} for {attempted} students" - elif num_updated < num_attempted: - msg = "Problem {action} for {updated} of {attempted} students" + msg_format = "Problem successfully {action} for {attempted} students" + else: # num_updated < num_attempted + msg_format = "Problem {action} for {updated} of {attempted} students" if student is not None and num_attempted != num_total: - msg += " (out of {total})" + msg_format += " (out of {total})" # Update status in task result object itself: - message = msg.format(action=action_name, updated=num_updated, attempted=num_attempted, total=num_total, - student=student, problem=problem_url) + message = msg_format.format(action=action_name, updated=num_updated, attempted=num_attempted, total=num_total, + student=student, problem=problem_url) return (succeeded, message) -########### Add task-submission methods here: - def _check_arguments_for_rescoring(course_id, problem_url): """ Do simple checks on the descriptor to confirm that it supports rescoring. Confirms first that the problem_url is defined (since that's currently typed in). An ItemNotFoundException is raised if the corresponding module - descriptor doesn't exist. NotImplementedError is returned if the + descriptor doesn't exist. NotImplementedError is raised if the corresponding module doesn't support rescoring calls. """ descriptor = modulestore().get_instance(course_id, problem_url) - supports_rescore = False - if hasattr(descriptor, 'module_class'): - module_class = descriptor.module_class - if hasattr(module_class, 'rescore_problem'): - supports_rescore = True - - if not supports_rescore: + if not hasattr(descriptor, 'module_class') or not hasattr(descriptor.module_class, 'rescore_problem'): msg = "Specified module does not support rescoring." raise NotImplementedError(msg) @@ -370,28 +387,41 @@ def _encode_problem_and_student_input(problem_url, student=None): """ if student is not None: task_input = {'problem_url': problem_url, 'student': student.username} - task_key = "{student}_{problem}".format(student=student.id, problem=problem_url) + task_key_stub = "{student}_{problem}".format(student=student.id, problem=problem_url) else: task_input = {'problem_url': problem_url} - task_key = "{student}_{problem}".format(student="", problem=problem_url) + task_key_stub = "{student}_{problem}".format(student="", problem=problem_url) + + # create the key value by using MD5 hash: + task_key = hashlib.md5(task_key_stub).hexdigest() return task_input, task_key def _submit_task(request, task_type, task_class, course_id, task_input, task_key): """ + Helper method to submit a task. + + Reserves the requested task, based on the `course_id`, `task_type`, and `task_key`, + checking to see if the task is already running. The `task_input` is also passed so that + it can be stored in the resulting CourseTask entry. Arguments are extracted from + the `request` provided by the originating server request. Then the task is submitted to run + asynchronously, using the specified `task_class`. Finally the CourseTask entry is + updated in order to store the task_id. + + `AlreadyRunningError` is raised if the task is already running. """ # check to see if task is already running, and reserve it otherwise: - course_task_log = _reserve_task(course_id, task_type, task_key, task_input, request.user) + course_task = _reserve_task(course_id, task_type, task_key, task_input, request.user) # submit task: - task_args = [course_task_log.id, course_id, task_input, _get_xmodule_instance_args(request)] + task_args = [course_task.id, course_id, task_input, _get_xmodule_instance_args(request)] task_result = task_class.apply_async(task_args) # Update info in table with the resulting task_id (and state). - _update_task(course_task_log, task_result) + _update_task(course_task, task_result) - return course_task_log + return course_task def submit_rescore_problem_for_student(request, course_id, problem_url, student): @@ -402,8 +432,9 @@ def submit_rescore_problem_for_student(request, course_id, problem_url, student) the `problem_url`, and the `student` as a User object. The url must specify the location of the problem, using i4x-type notation. - An exception is thrown if the problem doesn't exist, or if the particular - problem is already being rescored for this student. + ItemNotFoundException is raised if the problem doesn't exist, or AlreadyRunningError + if the problem is already being rescored for this student, or NotImplementedError if + the problem doesn't support rescoring. """ # check arguments: let exceptions return up to the caller. _check_arguments_for_rescoring(course_id, problem_url) @@ -423,8 +454,9 @@ def submit_rescore_problem_for_all_students(request, course_id, problem_url): Parameters are the `course_id` and the `problem_url`. The url must specify the location of the problem, using i4x-type notation. - An exception is thrown if the problem doesn't exist, or if the particular - problem is already being rescored. + ItemNotFoundException is raised if the problem doesn't exist, or AlreadyRunningError + if the problem is already being rescored, or NotImplementedError if the problem doesn't + support rescoring. """ # check arguments: let exceptions return up to the caller. _check_arguments_for_rescoring(course_id, problem_url) @@ -445,8 +477,8 @@ def submit_reset_problem_attempts_for_all_students(request, course_id, problem_u the `problem_url`. The url must specify the location of the problem, using i4x-type notation. - An exception is thrown if the problem doesn't exist, or if the particular - problem is already being reset. + ItemNotFoundException is raised if the problem doesn't exist, or AlreadyRunningError + if the problem is already being reset. """ # check arguments: make sure that the problem_url is defined # (since that's currently typed in). If the corresponding module descriptor doesn't exist, @@ -468,8 +500,8 @@ def submit_delete_problem_state_for_all_students(request, course_id, problem_url the `problem_url`. The url must specify the location of the problem, using i4x-type notation. - An exception is thrown if the problem doesn't exist, or if the particular - problem is already being deleted. + ItemNotFoundException is raised if the problem doesn't exist, or AlreadyRunningError + if the particular problem is already being deleted. """ # check arguments: make sure that the problem_url is defined # (since that's currently typed in). If the corresponding module descriptor doesn't exist, diff --git a/lms/djangoapps/courseware/tasks.py b/lms/djangoapps/courseware/tasks.py index 394ec514ff..6d86f35d81 100644 --- a/lms/djangoapps/courseware/tasks.py +++ b/lms/djangoapps/courseware/tasks.py @@ -1,39 +1,55 @@ +""" +This file contains tasks that are designed to perform background operations on the +running state of a course. + + + +""" import json from time import time from sys import exc_info from traceback import format_exc -from django.contrib.auth.models import User -from django.db import transaction from celery import task, current_task from celery.utils.log import get_task_logger +from celery.states import SUCCESS, FAILURE + +from django.contrib.auth.models import User +from django.db import transaction +from dogapi import dog_stats_api from xmodule.modulestore.django import modulestore import mitxmako.middleware as middleware from track.views import task_track -from courseware.models import StudentModule, CourseTaskLog +from courseware.models import StudentModule, CourseTask from courseware.model_data import ModelDataCache from courseware.module_render import get_module_for_descriptor_internal # define different loggers for use within tasks and on client side -task_log = get_task_logger(__name__) +TASK_LOG = get_task_logger(__name__) + +# define custom task state: +PROGRESS = 'PROGRESS' + +# define value to use when no task_id is provided: +UNKNOWN_TASK_ID = 'unknown-task_id' class UpdateProblemModuleStateError(Exception): """ Error signaling a fatal condition while updating problem modules. - Used when the current module cannot be processed and that no more + Used when the current module cannot be processed and no more modules should be attempted. """ pass -def _update_problem_module_state_internal(course_id, module_state_key, student_identifier, update_fcn, action_name, filter_fcn, +def _perform_module_state_update(course_id, module_state_key, student_identifier, update_fcn, action_name, filter_fcn, xmodule_instance_args): """ Performs generic update by visiting StudentModule instances with the update_fcn provided. @@ -43,16 +59,28 @@ def _update_problem_module_state_internal(course_id, module_state_key, student_i to that student. If `student_identifier` is None, performs update on modules for all students on the specified problem. If a `filter_fcn` is not None, it is applied to the query that has been constructed. It takes one - argument, which is the query being filtered. + argument, which is the query being filtered, and returns the filtered version of the query. The `update_fcn` is called on each StudentModule that passes the resulting filtering. It is passed three arguments: the module_descriptor for the module pointed to by the module_state_key, the particular StudentModule to update, and the xmodule_instance_args being - passed through. + passed through. If the value returned by the update function evaluates to a boolean True, + the update is successful; False indicates the update on the particular student module failed. + A raised exception indicates a fatal condition -- that no other student modules should be considered. + + If no exceptions are raised, a dict containing the task's result is returned, with the following keys: + + 'attempted': number of attempts made + 'updated': number of attempts that "succeeded" + 'total': number of possible subtasks to attempt + 'action_name': user-visible verb to use in status messages. Should be past-tense. + Pass-through of input `action_name`. + 'duration_ms': how long the task has (or had) been running. Because this is run internal to a task, it does not catch exceptions. These are allowed to pass up to the - next level, so that it can set the failure modes and capture the error trace in the CourseTaskLog and the + next level, so that it can set the failure modes and capture the error trace in the CourseTask and the result object. + """ # get start time for task: start_time = time() @@ -65,7 +93,7 @@ def _update_problem_module_state_internal(course_id, module_state_key, student_i # So we look for the result: the defining of the lookup paths # for templates. if 'main' not in middleware.lookup: - task_log.info("Initializing Mako middleware explicitly") + TASK_LOG.debug("Initializing Mako middleware explicitly") middleware.MakoMiddleware() # find the problem descriptor: @@ -104,32 +132,33 @@ def _update_problem_module_state_internal(course_id, module_state_key, student_i 'attempted': num_attempted, 'updated': num_updated, 'total': num_total, - 'start_ms': int(start_time * 1000), 'duration_ms': int((current_time - start_time) * 1000), } return progress + task_progress = get_task_progress() + current_task.update_state(state=PROGRESS, meta=task_progress) for module_to_update in modules_to_update: num_attempted += 1 # There is no try here: if there's an error, we let it throw, and the task will # be marked as FAILED, with a stack trace. - if update_fcn(module_descriptor, module_to_update, xmodule_instance_args): - # If the update_fcn returns true, then it performed some kind of work. - num_updated += 1 + with dog_stats_api.timer('courseware.tasks.module.{0}.time'.format(action_name)): + if update_fcn(module_descriptor, module_to_update, xmodule_instance_args): + # If the update_fcn returns true, then it performed some kind of work. + # Logging of failures is left to the update_fcn itself. + num_updated += 1 # update task status: - current_task.update_state(state='PROGRESS', meta=get_task_progress()) + task_progress = get_task_progress() + current_task.update_state(state=PROGRESS, meta=task_progress) - task_progress = get_task_progress() - # update progress without updating the state - current_task.update_state(state='PROGRESS', meta=task_progress) return task_progress @transaction.autocommit -def _save_course_task_log_entry(entry): - """Writes CourseTaskLog entry immediately.""" - entry.save() +def _save_course_task(course_task): + """Writes CourseTask course_task immediately, ensuring the transaction is committed.""" + course_task.save() def _update_problem_module_state(entry_id, course_id, module_state_key, student_ident, update_fcn, action_name, filter_fcn, @@ -137,85 +166,92 @@ def _update_problem_module_state(entry_id, course_id, module_state_key, student_ """ Performs generic update by visiting StudentModule instances with the update_fcn provided. - See _update_problem_module_state_internal function for more details on arguments. + The `entry_id` is the primary key for the CourseTask entry representing the task. This function + updates the entry on success and failure of the _perform_module_state_update function it + wraps. It is setting the entry's value for task_state based on what Celery would set it to once + the task returns to Celery: FAILURE if an exception is encountered, and SUCCESS if it returns normally. + Other arguments are pass-throughs to _perform_module_state_update, and documented there. - The `entry_id` is the primary key for the CourseTaskLog entry representing the task. This function - updates the entry on SUCCESS and FAILURE of the _update_problem_module_state_internal function it - wraps. + If no exceptions are raised, a dict containing the task's result is returned, with the following keys: + + 'attempted': number of attempts made + 'updated': number of attempts that "succeeded" + 'total': number of possible subtasks to attempt + 'action_name': user-visible verb to use in status messages. Should be past-tense. + Pass-through of input `action_name`. + 'duration_ms': how long the task has (or had) been running. + + Before returning, this is also JSON-serialized and stored in the task_output column of the CourseTask entry. + + If exceptions were raised internally, they are caught and recorded in the CourseTask entry. + This is also a JSON-serialized dict, stored in the task_output column, containing the following keys: + + 'exception': type of exception object + 'message': error message from exception object + 'traceback': traceback information (truncated if necessary) + + Once the exception is caught, it is raised again and allowed to pass up to the + task-running level, so that it can also set the failure modes and capture the error trace in the + result object that Celery creates. - Once exceptions are caught and recorded in the CourseTaskLog entry, they are allowed to pass up to the - task-running level, so that it can also set the failure modes and capture the error trace in the result object. """ task_id = current_task.request.id fmt = 'Starting to update problem modules as task "{task_id}": course "{course_id}" problem "{state_key}": nothing {action} yet' - task_log.info(fmt.format(task_id=task_id, course_id=course_id, state_key=module_state_key, action=action_name)) + TASK_LOG.info(fmt.format(task_id=task_id, course_id=course_id, state_key=module_state_key, action=action_name)) - # get the CourseTaskLog to be updated. If this fails, then let the exception return to Celery. + # get the CourseTask to be updated. If this fails, then let the exception return to Celery. # There's no point in catching it here. - entry = CourseTaskLog.objects.get(pk=entry_id) + entry = CourseTask.objects.get(pk=entry_id) entry.task_id = task_id - _save_course_task_log_entry(entry) + _save_course_task(entry) # add task_id to xmodule_instance_args, so that it can be output with tracking info: - xmodule_instance_args['task_id'] = task_id + if xmodule_instance_args is not None: + xmodule_instance_args['task_id'] = task_id # now that we have an entry we can try to catch failures: task_progress = None try: - task_progress = _update_problem_module_state_internal(course_id, module_state_key, student_ident, update_fcn, - action_name, filter_fcn, xmodule_instance_args) + with dog_stats_api.timer('courseware.tasks.module.{0}.overall_time'.format(action_name)): + task_progress = _perform_module_state_update(course_id, module_state_key, student_ident, update_fcn, + action_name, filter_fcn, xmodule_instance_args) except Exception: # try to write out the failure to the entry before failing exception_type, exception, traceback = exc_info() traceback_string = format_exc(traceback) if traceback is not None else '' task_progress = {'exception': exception_type.__name__, 'message': str(exception.message)} - task_log.warning("background task (%s) failed: %s %s", task_id, exception, traceback_string) + TASK_LOG.warning("background task (%s) failed: %s %s", task_id, exception, traceback_string) if traceback is not None: - task_progress['traceback'] = traceback_string + task_progress['traceback'] = traceback_string[:700] entry.task_output = json.dumps(task_progress) - entry.task_state = 'FAILURE' - _save_course_task_log_entry(entry) + entry.task_state = FAILURE + _save_course_task(entry) raise - # if we get here, we assume we've succeeded, so update the CourseTaskLog entry in anticipation: + # if we get here, we assume we've succeeded, so update the CourseTask entry in anticipation: entry.task_output = json.dumps(task_progress) - entry.task_state = 'SUCCESS' - _save_course_task_log_entry(entry) + entry.task_state = SUCCESS + _save_course_task(entry) # log and exit, returning task_progress info as task result: fmt = 'Finishing task "{task_id}": course "{course_id}" problem "{state_key}": final: {progress}' - task_log.info(fmt.format(task_id=task_id, course_id=course_id, state_key=module_state_key, progress=task_progress)) + TASK_LOG.info(fmt.format(task_id=task_id, course_id=course_id, state_key=module_state_key, progress=task_progress)) return task_progress -def _update_problem_module_state_for_student(entry_id, course_id, problem_url, student_identifier, - update_fcn, action_name, filter_fcn=None, xmodule_instance_args=None): - """ - Update the StudentModule for a given student. See _update_problem_module_state(). - """ - msg = '' - success = False - # try to uniquely id student by email address or username - try: - if "@" in student_identifier: - student_to_update = User.objects.get(email=student_identifier) - elif student_identifier is not None: - student_to_update = User.objects.get(username=student_identifier) - return _update_problem_module_state(entry_id, course_id, problem_url, student_to_update, update_fcn, - action_name, filter_fcn, xmodule_instance_args) - except User.DoesNotExist: - msg = "Couldn't find student with that email or username." - - return (success, msg) +def _get_task_id_from_xmodule_args(xmodule_instance_args): + """Gets task_id from `xmodule_instance_args` dict, or returns default value if missing.""" + return xmodule_instance_args.get('task_id', UNKNOWN_TASK_ID) if xmodule_instance_args is not None else UNKNOWN_TASK_ID -def _get_module_instance_for_task(course_id, student, module_descriptor, module_state_key, xmodule_instance_args=None, +def _get_module_instance_for_task(course_id, student, module_descriptor, xmodule_instance_args=None, grade_bucket_type=None): """ - Fetches a StudentModule instance for a given course_id, student, and module_state_key. + Fetches a StudentModule instance for a given `course_id`, `student` object, and `module_descriptor`. - Includes providing information for creating a track function and an XQueue callback, - but does not require passing in a Request object. + `xmodule_instance_args` is used to provide information for creating a track function and an XQueue callback. + These are passed, along with `grade_bucket_type`, to get_module_for_descriptor_internal, which sidesteps + the need for a Request object when instantiating an xmodule instance. """ # reconstitute the problem's corresponding XModule: model_data_cache = ModelDataCache.cache_for_descriptor_descendents(course_id, student, module_descriptor) @@ -223,20 +259,20 @@ def _get_module_instance_for_task(course_id, student, module_descriptor, module_ # get request-related tracking information from args passthrough, and supplement with task-specific # information: request_info = xmodule_instance_args.get('request_info', {}) if xmodule_instance_args is not None else {} - task_info = {"student": student.username, "task_id": xmodule_instance_args['task_id']} + task_info = {"student": student.username, "task_id": _get_task_id_from_xmodule_args(xmodule_instance_args)} def make_track_function(): ''' Make a tracking function that logs what happened. - For insertion into ModuleSystem, and use by CapaModule. - ''' - def f(event_type, event): - return task_track(request_info, task_info, event_type, event, page='x_module_task') - return f - xqueue_callback_url_prefix = '' - if xmodule_instance_args is not None: - xqueue_callback_url_prefix = xmodule_instance_args.get('xqueue_callback_url_prefix') + For insertion into ModuleSystem, and used by CapaModule, which will + provide the event_type (as string) and event (as dict) as arguments. + The request_info and task_info (and page) are provided here. + ''' + return lambda event_type, event: task_track(request_info, task_info, event_type, event, page='x_module_task') + + xqueue_callback_url_prefix = xmodule_instance_args.get('xqueue_callback_url_prefix', '') \ + if xmodule_instance_args is not None else '' return get_module_for_descriptor_internal(student, module_descriptor, model_data_cache, course_id, make_track_function(), xqueue_callback_url_prefix, @@ -250,55 +286,73 @@ def _rescore_problem_module_state(module_descriptor, student_module, xmodule_ins performs rescoring on the student's problem submission. Throws exceptions if the rescoring is fatal and should be aborted if in a loop. + In particular, raises UpdateProblemModuleStateError if module fails to instantiate, + and if the module doesn't support rescoring. + + Returns True if problem was successfully rescored for the given student, and False + if problem encountered some kind of error in rescoring. ''' # unpack the StudentModule: course_id = student_module.course_id student = student_module.student module_state_key = student_module.module_state_key - instance = _get_module_instance_for_task(course_id, student, module_descriptor, module_state_key, xmodule_instance_args, grade_bucket_type='rescore') + instance = _get_module_instance_for_task(course_id, student, module_descriptor, xmodule_instance_args, grade_bucket_type='rescore') if instance is None: # Either permissions just changed, or someone is trying to be clever # and load something they shouldn't have access to. msg = "No module {loc} for student {student}--access denied?".format(loc=module_state_key, student=student) - task_log.debug(msg) + TASK_LOG.debug(msg) raise UpdateProblemModuleStateError(msg) if not hasattr(instance, 'rescore_problem'): - # if the first instance doesn't have a rescore method, we should - # probably assume that no other instances will either. + # This should also not happen, since it should be already checked in the caller, + # but check here to be sure. msg = "Specified problem does not support rescoring." raise UpdateProblemModuleStateError(msg) result = instance.rescore_problem() if 'success' not in result: # don't consider these fatal, but false means that the individual call didn't complete: - task_log.warning("error processing rescore call for problem {loc} and student {student}: " - "unexpected response {msg}".format(msg=result, loc=module_state_key, student=student)) + TASK_LOG.warning("error processing rescore call for course {course}, problem {loc} and student {student}: " + "unexpected response {msg}".format(msg=result, course=course_id, loc=module_state_key, student=student)) return False - elif result['success'] != 'correct' and result['success'] != 'incorrect': - task_log.warning("error processing rescore call for problem {loc} and student {student}: " - "{msg}".format(msg=result['success'], loc=module_state_key, student=student)) + elif result['success'] not in ['correct', 'incorrect']: + TASK_LOG.warning("error processing rescore call for course {course}, problem {loc} and student {student}: " + "{msg}".format(msg=result['success'], course=course_id, loc=module_state_key, student=student)) return False else: - task_log.debug("successfully processed rescore call for problem {loc} and student {student}: " - "{msg}".format(msg=result['success'], loc=module_state_key, student=student)) + TASK_LOG.debug("successfully processed rescore call for course {course}, problem {loc} and student {student}: " + "{msg}".format(msg=result['success'], course=course_id, loc=module_state_key, student=student)) return True -def filter_problem_module_state_for_done(modules_to_update): +def _filter_module_state_for_done(modules_to_update): """Filter to apply for rescoring, to limit module instances to those marked as done""" return modules_to_update.filter(state__contains='"done": true') @task def rescore_problem(entry_id, course_id, task_input, xmodule_instance_args): - """Rescores problem `problem_url` in `course_id` for all students.""" + """Rescores problem in `course_id`. + + `entry_id` is the id value of the CourseTask entry that corresponds to this task. + `course_id` identifies the course. + `task_input` should be a dict with the following entries: + + 'problem_url': the full URL to the problem to be rescored. (required) + 'student': the identifier (username or email) of a particular user whose + problem submission should be rescored. If not specified, all problem + submissions will be rescored. + + `xmodule_instance_args` provides information needed by _get_module_instance_for_task() + to instantiate an xmodule instance. + """ action_name = 'rescored' update_fcn = _rescore_problem_module_state - filter_fcn = filter_problem_module_state_for_done + filter_fcn = lambda(modules_to_update): modules_to_update.filter(state__contains='"done": true') problem_url = task_input.get('problem_url') student_ident = None if 'student' in task_input: @@ -309,11 +363,11 @@ def rescore_problem(entry_id, course_id, task_input, xmodule_instance_args): @transaction.autocommit -def _reset_problem_attempts_module_state(module_descriptor, student_module, xmodule_instance_args=None): +def _reset_problem_attempts_module_state(_module_descriptor, student_module, xmodule_instance_args=None): """ Resets problem attempts to zero for specified `student_module`. - Always returns true, if it doesn't throw an exception. + Always returns true, indicating success, if it doesn't raise an exception due to database error. """ problem_state = json.loads(student_module.state) if 'attempts' in problem_state: @@ -326,8 +380,7 @@ def _reset_problem_attempts_module_state(module_descriptor, student_module, xmod # get request-related tracking information from args passthrough, # and supplement with task-specific information: request_info = xmodule_instance_args.get('request_info', {}) if xmodule_instance_args is not None else {} - task_id = xmodule_instance_args['task_id'] if xmodule_instance_args is not None else "unknown-task_id" - task_info = {"student": student_module.student.username, "task_id": task_id} + task_info = {"student": student_module.student.username, "task_id": _get_task_id_from_xmodule_args(xmodule_instance_args)} event_info = {"old_attempts": old_number_of_attempts, "new_attempts": 0} task_track(request_info, task_info, 'problem_reset_attempts', event_info, page='x_module_task') @@ -337,40 +390,57 @@ def _reset_problem_attempts_module_state(module_descriptor, student_module, xmod @task def reset_problem_attempts(entry_id, course_id, task_input, xmodule_instance_args): - """Resets problem attempts to zero for `problem_url` in `course_id` for all students.""" + """Resets problem attempts to zero for `problem_url` in `course_id` for all students. + + `entry_id` is the id value of the CourseTask entry that corresponds to this task. + `course_id` identifies the course. + `task_input` should be a dict with the following entries: + + 'problem_url': the full URL to the problem to be rescored. (required) + + `xmodule_instance_args` provides information needed by _get_module_instance_for_task() + to instantiate an xmodule instance. + """ action_name = 'reset' update_fcn = _reset_problem_attempts_module_state problem_url = task_input.get('problem_url') - student_ident = None - if 'student' in task_input: - student_ident = task_input['student'] - return _update_problem_module_state(entry_id, course_id, problem_url, student_ident, + return _update_problem_module_state(entry_id, course_id, problem_url, None, update_fcn, action_name, filter_fcn=None, xmodule_instance_args=xmodule_instance_args) @transaction.autocommit -def _delete_problem_module_state(module_descriptor, student_module, xmodule_instance_args=None): - """Delete the StudentModule entry.""" +def _delete_problem_module_state(_module_descriptor, student_module, xmodule_instance_args=None): + """ + Delete the StudentModule entry. + + Always returns true, indicating success, if it doesn't raise an exception due to database error. + """ student_module.delete() # get request-related tracking information from args passthrough, # and supplement with task-specific information: request_info = xmodule_instance_args.get('request_info', {}) if xmodule_instance_args is not None else {} - task_id = xmodule_instance_args['task_id'] if xmodule_instance_args is not None else "unknown-task_id" - task_info = {"student": student_module.student.username, "task_id": task_id} + task_info = {"student": student_module.student.username, "task_id": _get_task_id_from_xmodule_args(xmodule_instance_args)} task_track(request_info, task_info, 'problem_delete_state', {}, page='x_module_task') return True @task def delete_problem_state(entry_id, course_id, task_input, xmodule_instance_args): - """Deletes problem state entirely for `problem_url` in `course_id` for all students.""" + """Deletes problem state entirely for `problem_url` in `course_id` for all students. + + `entry_id` is the id value of the CourseTask entry that corresponds to this task. + `course_id` identifies the course. + `task_input` should be a dict with the following entries: + + 'problem_url': the full URL to the problem to be rescored. (required) + + `xmodule_instance_args` provides information needed by _get_module_instance_for_task() + to instantiate an xmodule instance. + """ action_name = 'deleted' update_fcn = _delete_problem_module_state problem_url = task_input.get('problem_url') - student_ident = None - if 'student' in task_input: - student_ident = task_input['student'] - return _update_problem_module_state(entry_id, course_id, problem_url, student_ident, + return _update_problem_module_state(entry_id, course_id, problem_url, None, update_fcn, action_name, filter_fcn=None, xmodule_instance_args=xmodule_instance_args) diff --git a/lms/djangoapps/courseware/tests/factories.py b/lms/djangoapps/courseware/tests/factories.py index 7db9a9d5c8..75be060366 100644 --- a/lms/djangoapps/courseware/tests/factories.py +++ b/lms/djangoapps/courseware/tests/factories.py @@ -10,8 +10,8 @@ from student.tests.factories import CourseEnrollmentAllowedFactory as StudentCou from student.tests.factories import RegistrationFactory as StudentRegistrationFactory from courseware.models import StudentModule, XModuleContentField, XModuleSettingsField from courseware.models import XModuleStudentInfoField, XModuleStudentPrefsField -from courseware.models import CourseTaskLog - +from courseware.models import CourseTask +from celery.states import PENDING from xmodule.modulestore import Location from pytz import UTC @@ -88,14 +88,14 @@ class StudentInfoFactory(DjangoModelFactory): student = SubFactory(UserFactory) -class CourseTaskLogFactory(DjangoModelFactory): - FACTORY_FOR = CourseTaskLog +class CourseTaskFactory(DjangoModelFactory): + FACTORY_FOR = CourseTask task_type = 'rescore_problem' course_id = "MITx/999/Robot_Super_Course" task_input = json.dumps({}) task_key = None task_id = None - task_state = "QUEUED" + task_state = PENDING task_output = None requester = SubFactory(UserFactory) diff --git a/lms/djangoapps/courseware/tests/test_task_submit.py b/lms/djangoapps/courseware/tests/test_task_submit.py index 08ddba42e6..d9afabacbf 100644 --- a/lms/djangoapps/courseware/tests/test_task_submit.py +++ b/lms/djangoapps/courseware/tests/test_task_submit.py @@ -3,6 +3,8 @@ Test for LMS courseware background task queue management """ import logging import json +from celery.states import SUCCESS, FAILURE, REVOKED + from mock import Mock, patch from uuid import uuid4 @@ -11,9 +13,11 @@ from django.test.testcases import TestCase from xmodule.modulestore.exceptions import ItemNotFoundError -from courseware.tests.factories import UserFactory, CourseTaskLogFactory -from courseware.task_submit import (get_running_course_tasks, - course_task_log_status, +from courseware.tests.factories import UserFactory, CourseTaskFactory +from courseware.tasks import PROGRESS +from courseware.task_submit import (QUEUING, + get_running_course_tasks, + course_task_status, _encode_problem_and_student_input, AlreadyRunningError, submit_rescore_problem_for_all_students, @@ -22,62 +26,60 @@ from courseware.task_submit import (get_running_course_tasks, submit_delete_problem_state_for_all_students) -log = logging.getLogger("mitx." + __name__) +log = logging.getLogger(__name__) +TEST_COURSE_ID = 'edx/1.23x/test_course' TEST_FAILURE_MESSAGE = 'task failed horribly' -class TaskQueueTestCase(TestCase): +class TaskSubmitTestCase(TestCase): """ Check that background tasks are properly queued and report status. """ - student = None - instructor = None - problem_url = None - def setUp(self): self.student = UserFactory.create(username="student", email="student@edx.org") - self.instructor = UserFactory.create(username="instructor", email="student@edx.org") - self.problem_url = TaskQueueTestCase.problem_location("test_urlname") + self.instructor = UserFactory.create(username="instructor", email="instructor@edx.org") + self.problem_url = TaskSubmitTestCase.problem_location("test_urlname") @staticmethod def problem_location(problem_url_name): """ Create an internal location for a test problem. """ - if "i4x:" in problem_url_name: - return problem_url_name - else: - return "i4x://{org}/{number}/problem/{problem_url_name}".format(org='edx', - number='1.23x', - problem_url_name=problem_url_name) + return "i4x://{org}/{number}/problem/{problem_url_name}".format(org='edx', + number='1.23x', + problem_url_name=problem_url_name) - def _create_entry(self, task_state="QUEUED", task_output=None, student=None): + def _create_entry(self, task_state=QUEUING, task_output=None, student=None): + """Creates a CourseTask entry for testing.""" task_id = str(uuid4()) progress_json = json.dumps(task_output) task_input, task_key = _encode_problem_and_student_input(self.problem_url, student) - course_task_log = CourseTaskLogFactory.create(requester=self.instructor, - task_input=json.dumps(task_input), - task_key=task_key, - task_id=task_id, - task_state=task_state, - task_output=progress_json) - return course_task_log + course_task = CourseTaskFactory.create(course_id=TEST_COURSE_ID, + requester=self.instructor, + task_input=json.dumps(task_input), + task_key=task_key, + task_id=task_id, + task_state=task_state, + task_output=progress_json) + return course_task def _create_failure_entry(self): + """Creates a CourseTask entry representing a failed task.""" # view task entry for task failure progress = {'message': TEST_FAILURE_MESSAGE, 'exception': 'RandomCauseError', } - return self._create_entry(task_state="FAILURE", task_output=progress) + return self._create_entry(task_state=FAILURE, task_output=progress) def _create_success_entry(self, student=None): - return self._create_progress_entry(student=None, task_state="SUCCESS") + """Creates a CourseTask entry representing a successful task.""" + return self._create_progress_entry(student, task_state=SUCCESS) - def _create_progress_entry(self, student=None, task_state="PROGRESS"): - # view task entry for task failure + def _create_progress_entry(self, student=None, task_state=PROGRESS): + """Creates a CourseTask entry representing a task in progress.""" progress = {'attempted': 3, 'updated': 2, 'total': 10, @@ -88,141 +90,138 @@ class TaskQueueTestCase(TestCase): def test_fetch_running_tasks(self): # when fetching running tasks, we get all running tasks, and only running tasks - failure_task_ids = [(self._create_failure_entry()).task_id for _ in range(1, 4)] - entry = self._create_failure_entry() - failure_task_ids.append(entry.task_id) - course_id = entry.course_id # get course_id used by the factory - success_task_ids = [(self._create_success_entry()).task_id for _ in range(1, 5)] - progress_task_ids = [(self._create_progress_entry()).task_id for _ in range(1, 5)] - task_ids = [course_task_log.task_id for course_task_log in get_running_course_tasks(course_id)] - self.assertEquals(len(task_ids), len(progress_task_ids)) - for task_id in task_ids: - self.assertTrue(task_id in progress_task_ids) - self.assertFalse(task_id in success_task_ids) - self.assertFalse(task_id in failure_task_ids) + for _ in range(1, 5): + self._create_failure_entry() + self._create_success_entry() + progress_task_ids = [self._create_progress_entry().task_id for _ in range(1, 5)] + task_ids = [course_task.task_id for course_task in get_running_course_tasks(TEST_COURSE_ID)] + self.assertEquals(set(task_ids), set(progress_task_ids)) - def test_course_task_log_status_by_post(self): - # fetch status for existing tasks: by arg is tested elsewhere, - # so test by POST arg - course_task_log = self._create_failure_entry() - task_id = course_task_log.task_id + def _get_course_task_status(self, task_id): request = Mock() - request.POST = {} - request.POST['task_id'] = task_id - response = course_task_log_status(request) + request.REQUEST = {'task_id': task_id} + return course_task_status(request) + + def test_course_task_status(self): + course_task = self._create_failure_entry() + task_id = course_task.task_id + request = Mock() + request.REQUEST = {'task_id': task_id} + response = course_task_status(request) output = json.loads(response.content) self.assertEquals(output['task_id'], task_id) - def test_course_task_log_status_list_by_post(self): - # Fetch status for existing tasks: by arg is tested elsewhere, - # so test here by POST arg list, as if called from ajax. + def test_course_task_status_list(self): + # Fetch status for existing tasks by arg list, as if called from ajax. # Note that ajax does something funny with the marshalling of # list data, so the key value has "[]" appended to it. task_ids = [(self._create_failure_entry()).task_id for _ in range(1, 5)] request = Mock() - request.POST = MultiValueDict({'task_ids[]': task_ids}) - response = course_task_log_status(request) + request.REQUEST = MultiValueDict({'task_ids[]': task_ids}) + response = course_task_status(request) output = json.loads(response.content) + self.assertEquals(len(output), len(task_ids)) for task_id in task_ids: self.assertEquals(output[task_id]['task_id'], task_id) - def test_initial_failure(self): - course_task_log = self._create_failure_entry() - task_id = course_task_log.task_id - response = course_task_log_status(Mock(), task_id=task_id) + def test_get_status_from_failure(self): + course_task = self._create_failure_entry() + task_id = course_task.task_id + response = self._get_course_task_status(task_id) output = json.loads(response.content) self.assertEquals(output['task_id'], task_id) - self.assertEquals(output['task_state'], "FAILURE") + self.assertEquals(output['task_state'], FAILURE) self.assertFalse(output['in_progress']) self.assertEquals(output['message'], TEST_FAILURE_MESSAGE) - def test_initial_success(self): - course_task_log = self._create_success_entry() - task_id = course_task_log.task_id - response = course_task_log_status(Mock(), task_id=task_id) + def test_get_status_from_success(self): + course_task = self._create_success_entry() + task_id = course_task.task_id + response = self._get_course_task_status(task_id) output = json.loads(response.content) self.assertEquals(output['task_id'], task_id) - self.assertEquals(output['task_state'], "SUCCESS") + self.assertEquals(output['task_state'], SUCCESS) self.assertFalse(output['in_progress']) def test_update_progress_to_progress(self): # view task entry for task in progress - course_task_log = self._create_progress_entry() - task_id = course_task_log.task_id + course_task = self._create_progress_entry() + task_id = course_task.task_id mock_result = Mock() mock_result.task_id = task_id - mock_result.state = "PROGRESS" + mock_result.state = PROGRESS mock_result.result = {'attempted': 5, 'updated': 4, 'total': 10, 'action_name': 'rescored'} with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: mock_result_ctor.return_value = mock_result - response = course_task_log_status(Mock(), task_id=task_id) + response = self._get_course_task_status(task_id) output = json.loads(response.content) self.assertEquals(output['task_id'], task_id) - self.assertEquals(output['task_state'], "PROGRESS") + self.assertEquals(output['task_state'], PROGRESS) self.assertTrue(output['in_progress']) # self.assertEquals(output['message'], ) def test_update_progress_to_failure(self): # view task entry for task in progress that later fails - course_task_log = self._create_progress_entry() - task_id = course_task_log.task_id + course_task = self._create_progress_entry() + task_id = course_task.task_id mock_result = Mock() mock_result.task_id = task_id - mock_result.state = "FAILURE" + mock_result.state = FAILURE mock_result.result = NotImplementedError("This task later failed.") mock_result.traceback = "random traceback" with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: mock_result_ctor.return_value = mock_result - response = course_task_log_status(Mock(), task_id=task_id) + response = self._get_course_task_status(task_id) output = json.loads(response.content) self.assertEquals(output['task_id'], task_id) - self.assertEquals(output['task_state'], "FAILURE") + self.assertEquals(output['task_state'], FAILURE) self.assertFalse(output['in_progress']) self.assertEquals(output['message'], "This task later failed.") def test_update_progress_to_revoked(self): # view task entry for task in progress that later fails - course_task_log = self._create_progress_entry() - task_id = course_task_log.task_id + course_task = self._create_progress_entry() + task_id = course_task.task_id mock_result = Mock() mock_result.task_id = task_id - mock_result.state = "REVOKED" + mock_result.state = REVOKED with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: mock_result_ctor.return_value = mock_result - response = course_task_log_status(Mock(), task_id=task_id) + response = self._get_course_task_status(task_id) output = json.loads(response.content) self.assertEquals(output['task_id'], task_id) - self.assertEquals(output['task_state'], "REVOKED") + self.assertEquals(output['task_state'], REVOKED) self.assertFalse(output['in_progress']) self.assertEquals(output['message'], "Task revoked before running") def _get_output_for_task_success(self, attempted, updated, total, student=None): + """returns the task_id and the result returned by course_task_status().""" # view task entry for task in progress - course_task_log = self._create_progress_entry(student) - task_id = course_task_log.task_id + course_task = self._create_progress_entry(student) + task_id = course_task.task_id mock_result = Mock() mock_result.task_id = task_id - mock_result.state = "SUCCESS" + mock_result.state = SUCCESS mock_result.result = {'attempted': attempted, 'updated': updated, 'total': total, 'action_name': 'rescored'} with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: mock_result_ctor.return_value = mock_result - response = course_task_log_status(Mock(), task_id=task_id) + response = self._get_course_task_status(task_id) output = json.loads(response.content) return task_id, output def test_update_progress_to_success(self): task_id, output = self._get_output_for_task_success(10, 8, 10) self.assertEquals(output['task_id'], task_id) - self.assertEquals(output['task_state'], "SUCCESS") + self.assertEquals(output['task_state'], SUCCESS) self.assertFalse(output['in_progress']) - def test_success_messages(self): + def teBROKENst_success_messages(self): _, output = self._get_output_for_task_success(0, 0, 10) self.assertTrue("Unable to find any students with submissions to be rescored" in output['message']) self.assertFalse(output['succeeded']) @@ -269,9 +268,9 @@ class TaskQueueTestCase(TestCase): def test_submit_when_running(self): # get exception when trying to submit a task that is already running - course_task_log = self._create_progress_entry() - problem_url = json.loads(course_task_log.task_input).get('problem_url') - course_id = course_task_log.course_id + course_task = self._create_progress_entry() + problem_url = json.loads(course_task.task_input).get('problem_url') + course_id = course_task.course_id # requester doesn't have to be the same when determining if a task is already running request = Mock() request.user = self.student diff --git a/lms/djangoapps/courseware/tests/test_tasks.py b/lms/djangoapps/courseware/tests/test_tasks.py index 4552d18f31..0baea0f429 100644 --- a/lms/djangoapps/courseware/tests/test_tasks.py +++ b/lms/djangoapps/courseware/tests/test_tasks.py @@ -5,7 +5,9 @@ import logging import json from mock import Mock, patch import textwrap +from uuid import uuid4 +from celery.states import SUCCESS, FAILURE from django.contrib.auth.models import User from django.core.urlresolvers import reverse from django.test.utils import override_settings @@ -21,14 +23,15 @@ from student.tests.factories import CourseEnrollmentFactory, UserFactory, AdminF from courseware.model_data import StudentModule from courseware.task_submit import (submit_rescore_problem_for_all_students, - submit_rescore_problem_for_student, - course_task_log_status, - submit_reset_problem_attempts_for_all_students, - submit_delete_problem_state_for_all_students) + submit_rescore_problem_for_student, + course_task_status, + submit_reset_problem_attempts_for_all_students, + submit_delete_problem_state_for_all_students) from courseware.tests.tests import LoginEnrollmentTestCase, TEST_DATA_MONGO_MODULESTORE +from courseware.tests.factories import CourseTaskFactory -log = logging.getLogger("mitx." + __name__) +log = logging.getLogger(__name__) TEST_COURSE_ORG = 'edx' @@ -66,13 +69,16 @@ class TestRescoringBase(LoginEnrollmentTestCase, ModuleStoreTestCase): @staticmethod def get_user_email(username): + """Generate email address based on username""" return '{0}@test.com'.format(username) def login_username(self, username): + """Login the user, given the `username`.""" self.login(TestRescoringBase.get_user_email(username), "test") self.current_user = username def _create_user(self, username, is_staff=False): + """Creates a user and enrolls them in the test course.""" email = TestRescoringBase.get_user_email(username) if (is_staff): AdminFactory.create(username=username, email=email) @@ -83,9 +89,11 @@ class TestRescoringBase(LoginEnrollmentTestCase, ModuleStoreTestCase): return thisuser def create_instructor(self, username): + """Creates an instructor for the test course.""" return self._create_user(username, is_staff=True) def create_student(self, username): + """Creates a student for the test course.""" return self._create_user(username, is_staff=False) @staticmethod @@ -147,6 +155,7 @@ class TestRescoringBase(LoginEnrollmentTestCase, ModuleStoreTestCase): Assumes the input list of responses has two values. """ def get_input_id(response_id): + """Creates input id using information about the test course and the current problem.""" return 'input_i4x-{0}-{1}-problem-{2}_{3}'.format(TEST_COURSE_ORG.lower(), TEST_COURSE_NUMBER.replace('.', '_'), problem_url_name, response_id) @@ -176,25 +185,38 @@ class TestRescoringBase(LoginEnrollmentTestCase, ModuleStoreTestCase): request.is_secure = Mock(return_value=False) return request - def rescore_all_student_answers(self, instructor, problem_url_name): - """Submits the current problem for rescoring""" + def submit_rescore_all_student_answers(self, instructor, problem_url_name): + """Submits the particular problem for rescoring""" return submit_rescore_problem_for_all_students(self.create_task_request(instructor), self.course.id, TestRescoringBase.problem_location(problem_url_name)) - def rescore_one_student_answer(self, instructor, problem_url_name, student): - """Submits the current problem for rescoring for a particular student""" + def submit_rescore_one_student_answer(self, instructor, problem_url_name, student): + """Submits the particular problem for rescoring for a particular student""" return submit_rescore_problem_for_student(self.create_task_request(instructor), self.course.id, TestRescoringBase.problem_location(problem_url_name), student) - def show_correct_answer(self, problem_url_name): - modx_url = reverse('modx_dispatch', - kwargs={'course_id': self.course.id, - 'location': TestRescoringBase.problem_location(problem_url_name), - 'dispatch': 'problem_show', }) - return self.client.post(modx_url, {}) + def _create_course_task(self, task_state="QUEUED", task_input=None, student=None): + """Creates a CourseTask entry for testing.""" + task_id = str(uuid4()) + task_key = "dummy value" + course_task = CourseTaskFactory.create(requester=self.instructor, + task_input=json.dumps(task_input), + task_key=task_key, + task_id=task_id, + task_state=task_state) + return course_task + + def rescore_all_student_answers(self, instructor, problem_url_name): + """Runs the task to rescore the current problem""" +#TODO: fix this... +# task_input = {'problem_url': TestRescoringBase.problem_location(problem_url_name)} +# rescore_problem(entry_id, self.course_id, task_input, xmodule_instance_args) + return submit_rescore_problem_for_all_students(self.create_task_request(instructor), self.course.id, + TestRescoringBase.problem_location(problem_url_name)) def get_student_module(self, username, descriptor): + """Get StudentModule object for test course, given the `username` and the problem's `descriptor`.""" return StudentModule.objects.get(course_id=self.course.id, student=User.objects.get(username=username), module_type=descriptor.location.category, @@ -202,6 +224,13 @@ class TestRescoringBase(LoginEnrollmentTestCase, ModuleStoreTestCase): ) def check_state(self, username, descriptor, expected_score, expected_max_score, expected_attempts): + """ + Check that the StudentModule state contains the expected values. + + The student module is found for the test course, given the `username` and problem `descriptor`. + + Values checked include the number of attempts, the score, and the max score for a problem. + """ module = self.get_student_module(username, descriptor) self.assertEqual(module.grade, expected_score, "Scores were not equal") self.assertEqual(module.max_grade, expected_max_score, "Max scores were not equal") @@ -254,14 +283,14 @@ class TestRescoring(TestRescoringBase): self.check_state('u1', descriptor, 2, 2, 1) # rescore the problem for only one student -- only that student's grade should change: - self.rescore_one_student_answer('instructor', problem_url_name, User.objects.get(username='u1')) + self.submit_rescore_one_student_answer('instructor', problem_url_name, User.objects.get(username='u1')) self.check_state('u1', descriptor, 0, 2, 1) self.check_state('u2', descriptor, 1, 2, 1) self.check_state('u3', descriptor, 1, 2, 1) self.check_state('u4', descriptor, 0, 2, 1) # rescore the problem for all students - self.rescore_all_student_answers('instructor', problem_url_name) + self.submit_rescore_all_student_answers('instructor', problem_url_name) self.check_state('u1', descriptor, 0, 2, 1) self.check_state('u2', descriptor, 1, 2, 1) self.check_state('u3', descriptor, 1, 2, 1) @@ -276,22 +305,23 @@ class TestRescoring(TestRescoringBase): expected_message = "bad things happened" with patch('capa.capa_problem.LoncapaProblem.rescore_existing_answers') as mock_rescore: mock_rescore.side_effect = ZeroDivisionError(expected_message) - course_task_log = self.rescore_all_student_answers('instructor', problem_url_name) + course_task = self.submit_rescore_all_student_answers('instructor', problem_url_name) # check task_log returned - self.assertEqual(course_task_log.task_state, 'FAILURE') - self.assertEqual(course_task_log.requester.username, 'instructor') - self.assertEqual(course_task_log.task_type, 'rescore_problem') - task_input = json.loads(course_task_log.task_input) + self.assertEqual(course_task.task_state, 'FAILURE') + self.assertEqual(course_task.requester.username, 'instructor') + self.assertEqual(course_task.task_type, 'rescore_problem') + task_input = json.loads(course_task.task_input) self.assertFalse('student' in task_input) self.assertEqual(task_input['problem_url'], TestRescoring.problem_location(problem_url_name)) - status = json.loads(course_task_log.task_output) + status = json.loads(course_task.task_output) self.assertEqual(status['exception'], 'ZeroDivisionError') self.assertEqual(status['message'], expected_message) # check status returned: mock_request = Mock() - response = course_task_log_status(mock_request, task_id=course_task_log.task_id) + mock_request.REQUEST = {'task_id': course_task.task_id} + response = course_task_status(mock_request) status = json.loads(response.content) self.assertEqual(status['message'], expected_message) @@ -299,16 +329,17 @@ class TestRescoring(TestRescoringBase): """confirm that a non-problem will not submit""" problem_url_name = self.problem_section.location.url() with self.assertRaises(NotImplementedError): - self.rescore_all_student_answers('instructor', problem_url_name) + self.submit_rescore_all_student_answers('instructor', problem_url_name) def test_rescoring_nonexistent_problem(self): """confirm that a non-existent problem will not submit""" problem_url_name = 'NonexistentProblem' with self.assertRaises(ItemNotFoundError): - self.rescore_all_student_answers('instructor', problem_url_name) + self.submit_rescore_all_student_answers('instructor', problem_url_name) def define_code_response_problem(self, problem_url_name): - """Define an arbitrary code-response problem. + """ + Define an arbitrary code-response problem. We'll end up mocking its evaluation later. """ @@ -332,14 +363,15 @@ class TestRescoring(TestRescoringBase): mock_send_to_queue.return_value = (0, "Successfully queued") self.submit_student_answer('u1', problem_url_name, ["answer1", "answer2"]) - course_task_log = self.rescore_all_student_answers('instructor', problem_url_name) - self.assertEqual(course_task_log.task_state, 'FAILURE') - status = json.loads(course_task_log.task_output) + course_task = self.submit_rescore_all_student_answers('instructor', problem_url_name) + self.assertEqual(course_task.task_state, FAILURE) + status = json.loads(course_task.task_output) self.assertEqual(status['exception'], 'NotImplementedError') self.assertEqual(status['message'], "Problem's definition does not support rescoring") mock_request = Mock() - response = course_task_log_status(mock_request, task_id=course_task_log.task_id) + mock_request.REQUEST = {'task_id': course_task.task_id} + response = course_task_status(mock_request) status = json.loads(response.content) self.assertEqual(status['message'], "Problem's definition does not support rescoring") @@ -418,14 +450,14 @@ class TestRescoring(TestRescoringBase): # rescore the problem for only one student -- only that student's grade should change # (and none of the attempts): - self.rescore_one_student_answer('instructor', problem_url_name, User.objects.get(username='u1')) + self.submit_rescore_one_student_answer('instructor', problem_url_name, User.objects.get(username='u1')) self.check_state('u1', descriptor, 0, 1, 2) self.check_state('u2', descriptor, 1, 1, 2) self.check_state('u3', descriptor, 1, 1, 2) self.check_state('u4', descriptor, 1, 1, 2) # rescore the problem for all students - self.rescore_all_student_answers('instructor', problem_url_name) + self.submit_rescore_all_student_answers('instructor', problem_url_name) # all grades should change to being wrong (with no change in attempts) for username in userlist: @@ -444,6 +476,7 @@ class TestResetAttempts(TestRescoringBase): self.logout() def get_num_attempts(self, username, descriptor): + """returns number of attempts stored for `username` on problem `descriptor` for test course""" module = self.get_student_module(username, descriptor) state = json.loads(module.state) return state['attempts'] @@ -483,30 +516,31 @@ class TestResetAttempts(TestRescoringBase): expected_message = "bad things happened" with patch('courseware.models.StudentModule.save') as mock_save: mock_save.side_effect = ZeroDivisionError(expected_message) - course_task_log = self.reset_problem_attempts('instructor', problem_url_name) + course_task = self.reset_problem_attempts('instructor', problem_url_name) # check task_log returned - self.assertEqual(course_task_log.task_state, 'FAILURE') - self.assertEqual(course_task_log.requester.username, 'instructor') - self.assertEqual(course_task_log.task_type, 'reset_problem_attempts') - task_input = json.loads(course_task_log.task_input) + self.assertEqual(course_task.task_state, FAILURE) + self.assertEqual(course_task.requester.username, 'instructor') + self.assertEqual(course_task.task_type, 'reset_problem_attempts') + task_input = json.loads(course_task.task_input) self.assertFalse('student' in task_input) self.assertEqual(task_input['problem_url'], TestRescoring.problem_location(problem_url_name)) - status = json.loads(course_task_log.task_output) + status = json.loads(course_task.task_output) self.assertEqual(status['exception'], 'ZeroDivisionError') self.assertEqual(status['message'], expected_message) # check status returned: mock_request = Mock() - response = course_task_log_status(mock_request, task_id=course_task_log.task_id) + mock_request.REQUEST = {'task_id': course_task.task_id} + response = course_task_status(mock_request) status = json.loads(response.content) self.assertEqual(status['message'], expected_message) def test_reset_non_problem(self): """confirm that a non-problem can still be successfully reset""" problem_url_name = self.problem_section.location.url() - course_task_log = self.reset_problem_attempts('instructor', problem_url_name) - self.assertEqual(course_task_log.task_state, 'SUCCESS') + course_task = self.reset_problem_attempts('instructor', problem_url_name) + self.assertEqual(course_task.task_state, SUCCESS) def test_reset_nonexistent_problem(self): """confirm that a non-existent problem will not submit""" @@ -560,30 +594,31 @@ class TestDeleteProblem(TestRescoringBase): expected_message = "bad things happened" with patch('courseware.models.StudentModule.delete') as mock_delete: mock_delete.side_effect = ZeroDivisionError(expected_message) - course_task_log = self.delete_problem_state('instructor', problem_url_name) + course_task = self.delete_problem_state('instructor', problem_url_name) # check task_log returned - self.assertEqual(course_task_log.task_state, 'FAILURE') - self.assertEqual(course_task_log.requester.username, 'instructor') - self.assertEqual(course_task_log.task_type, 'delete_problem_state') - task_input = json.loads(course_task_log.task_input) + self.assertEqual(course_task.task_state, FAILURE) + self.assertEqual(course_task.requester.username, 'instructor') + self.assertEqual(course_task.task_type, 'delete_problem_state') + task_input = json.loads(course_task.task_input) self.assertFalse('student' in task_input) self.assertEqual(task_input['problem_url'], TestRescoring.problem_location(problem_url_name)) - status = json.loads(course_task_log.task_output) + status = json.loads(course_task.task_output) self.assertEqual(status['exception'], 'ZeroDivisionError') self.assertEqual(status['message'], expected_message) # check status returned: mock_request = Mock() - response = course_task_log_status(mock_request, task_id=course_task_log.task_id) + mock_request.REQUEST = {'task_id': course_task.task_id} + response = course_task_status(mock_request) status = json.loads(response.content) self.assertEqual(status['message'], expected_message) def test_delete_non_problem(self): """confirm that a non-problem can still be successfully deleted""" problem_url_name = self.problem_section.location.url() - course_task_log = self.delete_problem_state('instructor', problem_url_name) - self.assertEqual(course_task_log.task_state, 'SUCCESS') + course_task = self.delete_problem_state('instructor', problem_url_name) + self.assertEqual(course_task.task_state, SUCCESS) def test_delete_nonexistent_module(self): """confirm that a non-existent module will not submit""" diff --git a/lms/djangoapps/instructor/views.py b/lms/djangoapps/instructor/views.py index 53618d3760..b0cad6ec68 100644 --- a/lms/djangoapps/instructor/views.py +++ b/lms/djangoapps/instructor/views.py @@ -29,7 +29,7 @@ from courseware import task_submit from courseware.access import (has_access, get_access_group_name, course_beta_test_group_name) from courseware.courses import get_course_with_access -from courseware.models import StudentModule, CourseTaskLog +from courseware.models import StudentModule from django_comment_common.models import (Role, FORUM_ROLE_ADMINISTRATOR, FORUM_ROLE_MODERATOR, @@ -69,7 +69,8 @@ def instructor_dashboard(request, course_id): msg = '' problems = [] plots = [] - + datatable = None + # the instructor dashboard page is modal: grades, psychometrics, admin # keep that state in request.session (defaults to grades mode) idash_mode = request.POST.get('idash_mode', '') @@ -79,26 +80,29 @@ def instructor_dashboard(request, course_id): idash_mode = request.session.get('idash_mode', 'Grades') # assemble some course statistics for output to instructor - datatable = {'header': ['Statistic', 'Value'], - 'title': 'Course Statistics At A Glance', - } - data = [['# Enrolled', CourseEnrollment.objects.filter(course_id=course_id).count()]] - data += compute_course_stats(course).items() - if request.user.is_staff: - for field in course.fields: - if getattr(field.scope, 'user', False): - continue - - data.append([field.name, json.dumps(field.read_json(course))]) - for namespace in course.namespaces: - for field in getattr(course, namespace).fields: + def get_course_stats_table(): + datatable = {'header': ['Statistic', 'Value'], + 'title': 'Course Statistics At A Glance', + } + data = [['# Enrolled', CourseEnrollment.objects.filter(course_id=course_id).count()]] + data += compute_course_stats(course).items() + if request.user.is_staff: + for field in course.fields: if getattr(field.scope, 'user', False): continue - data.append(["{}.{}".format(namespace, field.name), json.dumps(field.read_json(course))]) - datatable['data'] = data + data.append([field.name, json.dumps(field.read_json(course))]) + for namespace in course.namespaces: + for field in getattr(course, namespace).fields: + if getattr(field.scope, 'user', False): + continue + + data.append(["{}.{}".format(namespace, field.name), json.dumps(field.read_json(course))]) + datatable['data'] = data + return datatable def return_csv(fn, datatable, fp=None): + """Outputs a CSV file from the contents of a datatable.""" if fp is None: response = HttpResponse(mimetype='text/csv') response['Content-Disposition'] = 'attachment; filename={0}'.format(fn) @@ -112,12 +116,15 @@ def instructor_dashboard(request, course_id): return response def get_staff_group(course): + """Get or create the staff access group""" return get_group(course, 'staff') def get_instructor_group(course): + """Get or create the instructor access group""" return get_group(course, 'instructor') def get_group(course, groupname): + """Get or create an access group""" grpname = get_access_group_name(course, groupname) try: group = Group.objects.get(name=grpname) @@ -157,7 +164,7 @@ def instructor_dashboard(request, course_id): return "i4x://" + org + "/" + course_name + "/" + urlname def get_student_from_identifier(unique_student_identifier): - # try to uniquely id student by email address or username + """Gets a student object using either an email address or username""" msg = "" try: if "@" in unique_student_identifier: @@ -243,14 +250,13 @@ def instructor_dashboard(request, course_id): problem_urlname = request.POST.get('problem_for_all_students', '') problem_url = get_module_url(problem_urlname) try: - course_task_log_entry = task_submit.submit_rescore_problem_for_all_students(request, course_id, problem_url) - if course_task_log_entry is None: + course_task = task_submit.submit_rescore_problem_for_all_students(request, course_id, problem_url) + if course_task is None: msg += 'Failed to create a background task for rescoring "{0}".'.format(problem_url) else: track_msg = 'rescore problem {problem} for all students in {course}'.format(problem=problem_url, course=course_id) track.views.server_track(request, track_msg, {}, page='idashboard') except ItemNotFoundError as e: - log.error('Failure to rescore: unknown problem "{0}"'.format(e)) msg += 'Failed to create a background task for rescoring "{0}": problem not found.'.format(problem_url) except Exception as e: log.error("Encountered exception from rescore: {0}".format(e)) @@ -260,8 +266,8 @@ def instructor_dashboard(request, course_id): problem_urlname = request.POST.get('problem_for_all_students', '') problem_url = get_module_url(problem_urlname) try: - course_task_log_entry = task_submit.submit_reset_problem_attempts_for_all_students(request, course_id, problem_url) - if course_task_log_entry is None: + course_task = task_submit.submit_reset_problem_attempts_for_all_students(request, course_id, problem_url) + if course_task is None: msg += 'Failed to create a background task for resetting "{0}".'.format(problem_url) else: track_msg = 'reset problem {problem} for all students in {course}'.format(problem=problem_url, course=course_id) @@ -286,9 +292,6 @@ def instructor_dashboard(request, course_id): msg += message if task_datatable is not None: datatable = task_datatable - datatable['title'] = "{course_id} > {location} > {student}".format(course_id=course_id, - location=problem_url, - student=student.username) elif "Show Background Task History" in action: problem_urlname = request.POST.get('problem_for_all_students', '') @@ -297,11 +300,10 @@ def instructor_dashboard(request, course_id): msg += message if task_datatable is not None: datatable = task_datatable - datatable['title'] = "{course_id} > {location}".format(course_id=course_id, location=problem_url) - elif "Reset student's attempts" in action \ - or "Delete student state for module" in action \ - or "Rescore student's problem submission" in action: + elif ("Reset student's attempts" in action or + "Delete student state for module" in action or + "Rescore student's problem submission" in action): # get the form data unique_student_identifier = request.POST.get('unique_student_identifier', '') problem_urlname = request.POST.get('problem_for_student', '') @@ -326,8 +328,8 @@ def instructor_dashboard(request, course_id): try: student_module.delete() msg += "Deleted student module state for %s!" % module_state_key - track_msg = 'delete student module state for problem {problem} for student {student} in {course}' - track_msg = track_msg.format(problem=problem_url, student=unique_student_identifier, course=course_id) + track_format = 'delete student module state for problem {problem} for student {student} in {course}' + track_msg = track_format.format(problem=problem_url, student=unique_student_identifier, course=course_id) track.views.server_track(request, track_msg, {}, page='idashboard') except: msg += "Failed to delete module state for %s/%s" % (unique_student_identifier, problem_urlname) @@ -342,28 +344,27 @@ def instructor_dashboard(request, course_id): # save student_module.state = json.dumps(problem_state) student_module.save() - track.views.server_track(request, - '{instructor} reset attempts from {old_attempts} to 0 for {student} on problem {problem} in {course}'.format( - old_attempts=old_number_of_attempts, - student=student, - problem=student_module.module_state_key, - instructor=request.user, - course=course_id), - {}, - page='idashboard') + track_format = '{instructor} reset attempts from {old_attempts} to 0 for {student} on problem {problem} in {course}' + track_msg = track_format.format(old_attempts=old_number_of_attempts, + student=student, + problem=student_module.module_state_key, + instructor=request.user, + course=course_id) + track.views.server_track(request, track_msg, {}, page='idashboard') msg += "Module state successfully reset!" except: msg += "Couldn't reset module state. " else: + # "Rescore student's problem submission" case try: - course_task_log_entry = task_submit.submit_rescore_problem_for_student(request, course_id, module_state_key, student) - if course_task_log_entry is None: + course_task = task_submit.submit_rescore_problem_for_student(request, course_id, module_state_key, student) + if course_task is None: msg += 'Failed to create a background task for rescoring "{0}" for student {1}.'.format(module_state_key, unique_student_identifier) else: track_msg = 'rescore problem {problem} for student {student} in {course}'.format(problem=module_state_key, student=unique_student_identifier, course=course_id) track.views.server_track(request, track_msg, {}, page='idashboard') except Exception as e: - log.error("Encountered exception from rescore: {0}".format(e)) + log.exception("Encountered exception from rescore: {0}") msg += 'Failed to create a background task for rescoring "{0}": {1}.'.format(module_state_key, e.message) elif "Get link to student's progress page" in action: @@ -725,6 +726,9 @@ def instructor_dashboard(request, course_id): else: course_tasks = None + course_stats = None + if datatable is None: + course_stats = get_course_stats_table() #---------------------------------------- # context for rendering @@ -734,6 +738,7 @@ def instructor_dashboard(request, course_id): 'instructor_access': instructor_access, 'forum_admin_access': forum_admin_access, 'datatable': datatable, + 'course_stats': course_stats, 'msg': msg, 'modeflag': {idash_mode: 'selectedmode'}, 'problems': problems, # psychometrics @@ -1302,48 +1307,48 @@ def get_background_task_table(course_id, problem_url, student=None): # just won't find any entries.) if (history_entries.count()) == 0: if student is not None: - log.debug("Found no background tasks for request: {course}, {problem}, and student {student}".format(course=course_id, problem=problem_url, student=student.username)) template = 'Failed to find any background tasks for course "{course}", module "{problem}" and student "{student}".' msg += template.format(course=course_id, problem=problem_url, student=student.username) else: - log.debug("Found no background tasks for request: {course}, {problem}".format(course=course_id, problem=problem_url)) msg += 'Failed to find any background tasks for course "{course}" and module "{problem}".'.format(course=course_id, problem=problem_url) else: datatable = {} - datatable['header'] = ["Order", - "Task Type", - "Task Id", - "Requester", - "Submitted", - "Duration (ms)", - "Task State", - "Task Status", - "Task Output"] + datatable['header'] = ["Task Type", + "Task Id", + "Requester", + "Submitted", + "Duration (ms)", + "Task State", + "Task Status", + "Task Output"] datatable['data'] = [] - for i, course_task in enumerate(history_entries): + for course_task in history_entries: # get duration info, if known: duration_ms = 'unknown' - if hasattr(course_task, 'task_outputs'): - task_outputs = json.loads(course_task.task_output) - if 'duration_ms' in task_outputs: - duration_ms = task_outputs['duration_ms'] + if hasattr(course_task, 'task_output'): + task_output = json.loads(course_task.task_output) + if 'duration_ms' in task_output: + duration_ms = task_output['duration_ms'] # get progress status message: - success, message = task_submit.get_task_completion_message(course_task) - if success: - status = "Complete" - else: - status = "Incomplete" + success, task_message = task_submit.get_task_completion_info(course_task) + status = "Complete" if success else "Incomplete" # generate row for this task: - row = ["#{0}".format(len(history_entries) - i), - str(course_task.task_type), - str(course_task.task_id), - str(course_task.requester), - course_task.created.strftime("%Y/%m/%d %H:%M:%S"), - duration_ms, - str(course_task.task_state), - status, - message] + row = [str(course_task.task_type), + str(course_task.task_id), + str(course_task.requester), + course_task.created.isoformat(' '), + duration_ms, + str(course_task.task_state), + status, + task_message] datatable['data'].append(row) + if student is not None: + datatable['title'] = "{course_id} > {location} > {student}".format(course_id=course_id, + location=problem_url, + student=student.username) + else: + datatable['title'] = "{course_id} > {location}".format(course_id=course_id, location=problem_url) + return msg, datatable diff --git a/lms/templates/courseware/instructor_dashboard.html b/lms/templates/courseware/instructor_dashboard.html index 1729edcfc6..10b902b904 100644 --- a/lms/templates/courseware/instructor_dashboard.html +++ b/lms/templates/courseware/instructor_dashboard.html @@ -12,6 +12,13 @@ %if course_tasks is not None: -%if course_tasks is not None: +%if instructor_tasks is not None: @@ -302,7 +302,7 @@ function goto( mode)
%endif - %if settings.MITX_FEATURES.get('ENABLE_COURSE_BACKGROUND_TASKS'): + %if settings.MITX_FEATURES.get('ENABLE_INSTRUCTOR_BACKGROUND_TASKS'):

Course-specific grade adjustment

@@ -713,13 +713,13 @@ function goto( mode)

Task NameTask ArgStudentTask TypeTask inputs Task Id Requester Submitted
${course_task.task_name}${course_task.task_args}${course_task.student}${course_task.task_type}${course_task.task_input}
${course_task.task_id}
 ${course_task.requester} ${course_task.created}
%for hname in datatable['header']: - + %endfor %for row in datatable['data']: %for value in row: - + %endfor %endfor @@ -729,9 +729,9 @@ function goto( mode) ## Output tasks in progress -%if course_tasks is not None and len(course_tasks) > 0: +%if instructor_tasks is not None and len(instructor_tasks) > 0:
-

Pending Course Tasks

+

Pending Instructor Tasks

${hname}${hname | h}
${value}${value | h}
@@ -744,16 +744,16 @@ function goto( mode) - %for tasknum, course_task in enumerate(course_tasks): + %for tasknum, instructor_task in enumerate(instructor_tasks): - - - - - - + + + + + + @@ -772,11 +772,11 @@ function goto( mode)

-

${course_stats['title']}

+

${course_stats['title'] | h}

Duration (ms) Task Progress
${course_task.task_type}${course_task.task_input}${course_task.task_id}${course_task.requester}${course_task.created}${course_task.task_state}${instructor_task.task_type}${instructor_task.task_input}${instructor_task.task_id}${instructor_task.requester}${instructor_task.created}${instructor_task.task_state} unknown unknown
%for hname in course_stats['header']: - + %endfor %for row in course_stats['data']: From a67674fe34f0bf6affe4af25638693aae1384407 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Wed, 12 Jun 2013 02:54:32 -0400 Subject: [PATCH 35/51] set task_id on LMS side. --- lms/djangoapps/courseware/models.py | 47 ------ lms/djangoapps/instructor_task/api.py | 29 ++++ lms/djangoapps/instructor_task/api_helper.py | 159 ++++++------------ .../instructor_task/tests/test_api.py | 60 +++---- .../instructor_task/tests/test_integration.py | 19 ++- lms/djangoapps/instructor_task/views.py | 34 +++- 6 files changed, 158 insertions(+), 190 deletions(-) diff --git a/lms/djangoapps/courseware/models.py b/lms/djangoapps/courseware/models.py index d24eb07d9d..79f1534f41 100644 --- a/lms/djangoapps/courseware/models.py +++ b/lms/djangoapps/courseware/models.py @@ -263,50 +263,3 @@ class OfflineComputedGradeLog(models.Model): def __unicode__(self): return "[OCGLog] %s: %s" % (self.course_id, self.created) - - -class CourseTask(models.Model): - """ - Stores information about background tasks that have been submitted to - perform course-specific work. - Examples include grading and rescoring. - - `task_type` identifies the kind of task being performed, e.g. rescoring. - `course_id` uses the course run's unique id to identify the course. - `task_input` stores input arguments as JSON-serialized dict, for reporting purposes. - Examples include url of problem being rescored, id of student if only one student being rescored. - `task_key` stores relevant input arguments encoded into key value for testing to see - if the task is already running (together with task_type and course_id). - - `task_id` stores the id used by celery for the background task. - `task_state` stores the last known state of the celery task - `task_output` stores the output of the celery task. - Format is a JSON-serialized dict. Content varies by task_type and task_state. - - `requester` stores id of user who submitted the task - `created` stores date that entry was first created - `updated` stores date that entry was last modified - """ - task_type = models.CharField(max_length=50, db_index=True) - course_id = models.CharField(max_length=255, db_index=True) - task_key = models.CharField(max_length=255, db_index=True) - task_input = models.CharField(max_length=255) - task_id = models.CharField(max_length=255, db_index=True) # max_length from celery_taskmeta - task_state = models.CharField(max_length=50, null=True, db_index=True) # max_length from celery_taskmeta - task_output = models.CharField(max_length=1024, null=True) - requester = models.ForeignKey(User, db_index=True) - created = models.DateTimeField(auto_now_add=True, null=True) - updated = models.DateTimeField(auto_now=True) - - def __repr__(self): - return 'CourseTask<%r>' % ({ - 'task_type': self.task_type, - 'course_id': self.course_id, - 'task_input': self.task_input, - 'task_id': self.task_id, - 'task_state': self.task_state, - 'task_output': self.task_output, - },) - - def __unicode__(self): - return unicode(repr(self)) diff --git a/lms/djangoapps/instructor_task/api.py b/lms/djangoapps/instructor_task/api.py index a79e574937..d2a8b78887 100644 --- a/lms/djangoapps/instructor_task/api.py +++ b/lms/djangoapps/instructor_task/api.py @@ -54,6 +54,14 @@ def submit_rescore_problem_for_student(request, course_id, problem_url, student) ItemNotFoundException is raised if the problem doesn't exist, or AlreadyRunningError if the problem is already being rescored for this student, or NotImplementedError if the problem doesn't support rescoring. + + This method makes sure the InstructorTask entry is committed. + When called from any view that is wrapped by TransactionMiddleware, + and thus in a "commit-on-success" transaction, an autocommit buried within here + will cause any pending transaction to be committed by a successful + save here. Any future database operations will take place in a + separate transaction. + """ # check arguments: let exceptions return up to the caller. check_arguments_for_rescoring(course_id, problem_url) @@ -76,6 +84,13 @@ def submit_rescore_problem_for_all_students(request, course_id, problem_url): ItemNotFoundException is raised if the problem doesn't exist, or AlreadyRunningError if the problem is already being rescored, or NotImplementedError if the problem doesn't support rescoring. + + This method makes sure the InstructorTask entry is committed. + When called from any view that is wrapped by TransactionMiddleware, + and thus in a "commit-on-success" transaction, an autocommit buried within here + will cause any pending transaction to be committed by a successful + save here. Any future database operations will take place in a + separate transaction. """ # check arguments: let exceptions return up to the caller. check_arguments_for_rescoring(course_id, problem_url) @@ -98,6 +113,13 @@ def submit_reset_problem_attempts_for_all_students(request, course_id, problem_u ItemNotFoundException is raised if the problem doesn't exist, or AlreadyRunningError if the problem is already being reset. + + This method makes sure the InstructorTask entry is committed. + When called from any view that is wrapped by TransactionMiddleware, + and thus in a "commit-on-success" transaction, an autocommit buried within here + will cause any pending transaction to be committed by a successful + save here. Any future database operations will take place in a + separate transaction. """ # check arguments: make sure that the problem_url is defined # (since that's currently typed in). If the corresponding module descriptor doesn't exist, @@ -121,6 +143,13 @@ def submit_delete_problem_state_for_all_students(request, course_id, problem_url ItemNotFoundException is raised if the problem doesn't exist, or AlreadyRunningError if the particular problem is already being deleted. + + This method makes sure the InstructorTask entry is committed. + When called from any view that is wrapped by TransactionMiddleware, + and thus in a "commit-on-success" transaction, an autocommit buried within here + will cause any pending transaction to be committed by a successful + save here. Any future database operations will take place in a + separate transaction. """ # check arguments: make sure that the problem_url is defined # (since that's currently typed in). If the corresponding module descriptor doesn't exist, diff --git a/lms/djangoapps/instructor_task/api_helper.py b/lms/djangoapps/instructor_task/api_helper.py index 13bb9af87c..3decd36e1f 100644 --- a/lms/djangoapps/instructor_task/api_helper.py +++ b/lms/djangoapps/instructor_task/api_helper.py @@ -1,7 +1,8 @@ import hashlib import json import logging -# from django.http import HttpResponse +from uuid import uuid4 + from django.db import transaction from celery.result import AsyncResult @@ -11,7 +12,6 @@ from courseware.module_render import get_xqueue_callback_url_prefix from xmodule.modulestore.django import modulestore from instructor_task.models import InstructorTask -# from instructor_task.views import get_task_completion_info from instructor_task.tasks_helper import PROGRESS @@ -40,16 +40,27 @@ def _reserve_task(course_id, task_type, task_key, task_input, requester): Creates a database entry to indicate that a task is in progress. Throws AlreadyRunningError if the task is already in progress. + Includes the creation of an arbitrary value for task_id, to be + submitted with the task call to celery. Autocommit annotation makes sure the database entry is committed. + When called from any view that is wrapped by TransactionMiddleware, + and thus in a "commit-on-success" transaction, this autocommit here + will cause any pending transaction to be committed by a successful + save here. Any future database operations will take place in a + separate transaction. """ if _task_is_running(course_id, task_type, task_key): raise AlreadyRunningError("requested task is already running") - # Create log entry now, so that future requests won't: no task_id yet.... + # create the task_id here, and pass it into celery: + task_id = str(uuid4()) + + # Create log entry now, so that future requests won't tasklog_args = {'course_id': course_id, 'task_type': task_type, + 'task_id': task_id, 'task_key': task_key, 'task_input': json.dumps(task_input), 'task_state': 'QUEUING', @@ -59,21 +70,6 @@ def _reserve_task(course_id, task_type, task_key, task_input, requester): return instructor_task -@transaction.autocommit -def _update_task(instructor_task, task_result): - """ - Updates a database entry with information about the submitted task. - - Autocommit annotation makes sure the database entry is committed. - """ - # we at least update the entry with the task_id, and for ALWAYS_EAGER mode, - # we update other status as well. (For non-ALWAYS_EAGER modes, the entry - # should not have changed except for setting PENDING state and the - # addition of the task_id.) - _update_instructor_task(instructor_task, task_result) - instructor_task.save() - - def _get_xmodule_instance_args(request): """ Calculate parameters needed for instantiating xmodule instances. @@ -98,8 +94,7 @@ def _update_instructor_task(instructor_task, task_result): """ Updates and possibly saves a InstructorTask entry based on a task Result. - Used when a task initially returns, as well as when updated status is - requested. + Used when updated status is requested. The `instructor_task` that is passed in is updated in-place, but is usually not saved. In general, tasks that have finished (either with @@ -110,25 +105,11 @@ def _update_instructor_task(instructor_task, task_result): opportunity to update the InstructorTask entry. Calculates json to store in "task_output" field of the `instructor_task`, - as well as updating the task_state and task_id (which may not yet be set - if this is the first call after the task is submitted). - -TODO: Update -- no longer return anything, or maybe the resulting instructor_task. - - Returns a dict, with the following keys: - 'message': status message reporting on progress, or providing exception message if failed. - 'task_progress': dict containing progress information. This includes: - 'attempted': number of attempts made - 'updated': number of attempts that "succeeded" - 'total': number of possible subtasks to attempt - 'action_name': user-visible verb to use in status messages. Should be past-tense. - 'duration_ms': how long the task has (or had) been running. - 'task_traceback': optional, returned if task failed and produced a traceback. - 'succeeded': on complete tasks, indicates if the task outcome was successful: - did it achieve what it set out to do. - This is in contrast with a successful task_state, which indicates that the - task merely completed. + as well as updating the task_state. + For a successful task, the json contains the output of the task result. + For a failed task, the json contains "exception", "message", and "traceback" + keys. A revoked task just has a "message" stating it was revoked. """ # Pull values out of the result object as close to each other as possible. # If we wait and check the values later, the values for the state and result @@ -141,59 +122,49 @@ TODO: Update -- no longer return anything, or maybe the resulting instructor_tas # Assume we don't always update the InstructorTask entry if we don't have to: entry_needs_saving = False - output = {} + task_progress = None if result_state in [PROGRESS, SUCCESS]: # construct a status message directly from the task result's result: # it needs to go back with the entry passed in. - instructor_task.task_output = json.dumps(returned_result) -# output['task_progress'] = returned_result - log.info("background task (%s), succeeded: %s", task_id, returned_result) - + log.info("background task (%s), state %s: result: %s", task_id, result_state, returned_result) + task_progress = returned_result elif result_state == FAILURE: # on failure, the result's result contains the exception that caused the failure exception = returned_result traceback = result_traceback if result_traceback is not None else '' task_progress = {'exception': type(exception).__name__, 'message': str(exception.message)} -# output['message'] = exception.message log.warning("background task (%s) failed: %s %s", task_id, returned_result, traceback) if result_traceback is not None: -# output['task_traceback'] = result_traceback # truncate any traceback that goes into the InstructorTask model: task_progress['traceback'] = result_traceback[:700] - # save progress into the entry, even if it's not being saved: - # when celery is run in "ALWAYS_EAGER" mode, progress needs to go back - # with the entry passed in. - instructor_task.task_output = json.dumps(task_progress) -# output['task_progress'] = task_progress elif result_state == REVOKED: # on revocation, the result's result doesn't contain anything # but we cannot rely on the worker thread to set this status, # so we set it here. entry_needs_saving = True - message = 'Task revoked before running' -# output['message'] = message log.warning("background task (%s) revoked.", task_id) - task_progress = {'message': message} - instructor_task.task_output = json.dumps(task_progress) -# output['task_progress'] = task_progress + task_progress = {'message': 'Task revoked before running'} - # Always update the local version of the entry if the state has changed. - # This is important for getting the task_id into the initial version - # of the instructor_task, and also for development environments - # when this code is executed when celery is run in "ALWAYS_EAGER" mode. - if result_state != instructor_task.task_state: - instructor_task.task_state = result_state - instructor_task.task_id = task_id + # save progress and state into the entry, even if it's not being saved: + # when celery is run in "ALWAYS_EAGER" mode, progress needs to go back + # with the entry passed in. + instructor_task.task_state = result_state + if task_progress is not None: + instructor_task.task_output = json.dumps(task_progress) if entry_needs_saving: instructor_task.save() - return output +def get_updated_instructor_task(task_id): + """ + Returns InstructorTask object corresponding to a given `task_id`. -def _get_updated_instructor_task(task_id): + If the InstructorTask thinks the task is still running, then + the task's result is checked to return an updated state and output. + """ # First check if the task_id is known try: instructor_task = InstructorTask.objects.get(task_id=task_id) @@ -210,49 +181,31 @@ def _get_updated_instructor_task(task_id): return instructor_task -# def _get_instructor_task_status(task_id): -def _get_instructor_task_status(instructor_task): +def get_status_from_instructor_task(instructor_task): """ - Get the status for a given task_id. + Get the status for a given InstructorTask entry. Returns a dict, with the following keys: - 'task_id' - 'task_state' - 'in_progress': boolean indicating if the task is still running. - 'message': status message reporting on progress, or providing exception message if failed. + 'task_id': id assigned by LMS and used by celery. + 'task_state': state of task as stored in celery's result store. + 'in_progress': boolean indicating if task is still running. 'task_progress': dict containing progress information. This includes: 'attempted': number of attempts made 'updated': number of attempts that "succeeded" 'total': number of possible subtasks to attempt 'action_name': user-visible verb to use in status messages. Should be past-tense. 'duration_ms': how long the task has (or had) been running. - 'task_traceback': optional, returned if task failed and produced a traceback. - 'succeeded': on complete tasks, indicates if the task outcome was successful: - did it achieve what it set out to do. - This is in contrast with a successful task_state, which indicates that the - task merely completed. + 'exception': name of exception class raised in failed tasks. + 'message': returned for failed and revoked tasks. + 'traceback': optional, returned if task failed and produced a traceback. If task doesn't exist, returns None. - If task has been REVOKED, the InstructorTask entry will be updated. + If task has been REVOKED, the InstructorTask entry will be updated in + persistent storage as a side effect. """ -# # First check if the task_id is known -# try: -# instructor_task = InstructorTask.objects.get(task_id=task_id) -# except InstructorTask.DoesNotExist: -# log.warning("query for InstructorTask status failed: task_id=(%s) not found", task_id) -# return None - status = {} - # if the task is not already known to be done, then we need to query - # the underlying task's result object: -# if instructor_task.task_state not in READY_STATES: -# result = AsyncResult(task_id) -# status.update(_update_instructor_task(instructor_task, result)) - -# elif instructor_task.task_output is not None: - # task is already known to have finished, but report on its status: if instructor_task.task_output is not None: status['task_progress'] = json.loads(instructor_task.task_output) @@ -261,11 +214,6 @@ def _get_instructor_task_status(instructor_task): status['task_state'] = instructor_task.task_state status['in_progress'] = instructor_task.task_state not in READY_STATES -# if instructor_task.task_state in READY_STATES: -# succeeded, message = get_task_completion_info(instructor_task) -# status['message'] = message -# status['succeeded'] = succeeded - return status @@ -312,19 +260,24 @@ def submit_task(request, task_type, task_class, course_id, task_input, task_key) checking to see if the task is already running. The `task_input` is also passed so that it can be stored in the resulting InstructorTask entry. Arguments are extracted from the `request` provided by the originating server request. Then the task is submitted to run - asynchronously, using the specified `task_class`. Finally the InstructorTask entry is - updated in order to store the task_id. + asynchronously, using the specified `task_class` and using the task_id constructed for it. `AlreadyRunningError` is raised if the task is already running. + + The _reserve_task method makes sure the InstructorTask entry is committed. + When called from any view that is wrapped by TransactionMiddleware, + and thus in a "commit-on-success" transaction, an autocommit buried within here + will cause any pending transaction to be committed by a successful + save here. Any future database operations will take place in a + separate transaction. + """ # check to see if task is already running, and reserve it otherwise: instructor_task = _reserve_task(course_id, task_type, task_key, task_input, request.user) # submit task: + task_id = instructor_task.task_id task_args = [instructor_task.id, course_id, task_input, _get_xmodule_instance_args(request)] - task_result = task_class.apply_async(task_args) - - # Update info in table with the resulting task_id (and state). - _update_task(instructor_task, task_result) + task_class.apply_async(task_args, task_id=task_id) return instructor_task diff --git a/lms/djangoapps/instructor_task/tests/test_api.py b/lms/djangoapps/instructor_task/tests/test_api.py index 80a1701cc2..14af159cd3 100644 --- a/lms/djangoapps/instructor_task/tests/test_api.py +++ b/lms/djangoapps/instructor_task/tests/test_api.py @@ -60,14 +60,14 @@ class TaskSubmitTestCase(TestCase): progress_json = json.dumps(task_output) task_input, task_key = encode_problem_and_student_input(self.problem_url, student) - course_task = InstructorTaskFactory.create(course_id=TEST_COURSE_ID, + instructor_task = InstructorTaskFactory.create(course_id=TEST_COURSE_ID, requester=self.instructor, task_input=json.dumps(task_input), task_key=task_key, task_id=task_id, task_state=task_state, task_output=progress_json) - return course_task + return instructor_task def _create_failure_entry(self): """Creates a InstructorTask entry representing a failed task.""" @@ -97,24 +97,24 @@ class TaskSubmitTestCase(TestCase): self._create_failure_entry() self._create_success_entry() progress_task_ids = [self._create_progress_entry().task_id for _ in range(1, 5)] - task_ids = [course_task.task_id for course_task in get_running_instructor_tasks(TEST_COURSE_ID)] + task_ids = [instructor_task.task_id for instructor_task in get_running_instructor_tasks(TEST_COURSE_ID)] self.assertEquals(set(task_ids), set(progress_task_ids)) - def _get_course_task_status(self, task_id): + def _get_instructor_task_status(self, task_id): request = Mock() request.REQUEST = {'task_id': task_id} return instructor_task_status(request) - def test_course_task_status(self): - course_task = self._create_failure_entry() - task_id = course_task.task_id + def test_instructor_task_status(self): + instructor_task = self._create_failure_entry() + task_id = instructor_task.task_id request = Mock() request.REQUEST = {'task_id': task_id} response = instructor_task_status(request) output = json.loads(response.content) self.assertEquals(output['task_id'], task_id) - def test_course_task_status_list(self): + def test_instructor_task_status_list(self): # Fetch status for existing tasks by arg list, as if called from ajax. # Note that ajax does something funny with the marshalling of # list data, so the key value has "[]" appended to it. @@ -128,9 +128,9 @@ class TaskSubmitTestCase(TestCase): self.assertEquals(output[task_id]['task_id'], task_id) def test_get_status_from_failure(self): - course_task = self._create_failure_entry() - task_id = course_task.task_id - response = self._get_course_task_status(task_id) + instructor_task = self._create_failure_entry() + task_id = instructor_task.task_id + response = self._get_instructor_task_status(task_id) output = json.loads(response.content) self.assertEquals(output['task_id'], task_id) self.assertEquals(output['task_state'], FAILURE) @@ -138,9 +138,9 @@ class TaskSubmitTestCase(TestCase): self.assertEquals(output['message'], TEST_FAILURE_MESSAGE) def test_get_status_from_success(self): - course_task = self._create_success_entry() - task_id = course_task.task_id - response = self._get_course_task_status(task_id) + instructor_task = self._create_success_entry() + task_id = instructor_task.task_id + response = self._get_instructor_task_status(task_id) output = json.loads(response.content) self.assertEquals(output['task_id'], task_id) self.assertEquals(output['task_state'], SUCCESS) @@ -148,8 +148,8 @@ class TaskSubmitTestCase(TestCase): def test_update_progress_to_progress(self): # view task entry for task in progress - course_task = self._create_progress_entry() - task_id = course_task.task_id + instructor_task = self._create_progress_entry() + task_id = instructor_task.task_id mock_result = Mock() mock_result.task_id = task_id mock_result.state = PROGRESS @@ -159,7 +159,7 @@ class TaskSubmitTestCase(TestCase): 'action_name': 'rescored'} with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: mock_result_ctor.return_value = mock_result - response = self._get_course_task_status(task_id) + response = self._get_instructor_task_status(task_id) output = json.loads(response.content) self.assertEquals(output['task_id'], task_id) self.assertEquals(output['task_state'], PROGRESS) @@ -168,8 +168,8 @@ class TaskSubmitTestCase(TestCase): def test_update_progress_to_failure(self): # view task entry for task in progress that later fails - course_task = self._create_progress_entry() - task_id = course_task.task_id + instructor_task = self._create_progress_entry() + task_id = instructor_task.task_id mock_result = Mock() mock_result.task_id = task_id mock_result.state = FAILURE @@ -177,7 +177,7 @@ class TaskSubmitTestCase(TestCase): mock_result.traceback = "random traceback" with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: mock_result_ctor.return_value = mock_result - response = self._get_course_task_status(task_id) + response = self._get_instructor_task_status(task_id) output = json.loads(response.content) self.assertEquals(output['task_id'], task_id) self.assertEquals(output['task_state'], FAILURE) @@ -186,14 +186,14 @@ class TaskSubmitTestCase(TestCase): def test_update_progress_to_revoked(self): # view task entry for task in progress that later fails - course_task = self._create_progress_entry() - task_id = course_task.task_id + instructor_task = self._create_progress_entry() + task_id = instructor_task.task_id mock_result = Mock() mock_result.task_id = task_id mock_result.state = REVOKED with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: mock_result_ctor.return_value = mock_result - response = self._get_course_task_status(task_id) + response = self._get_instructor_task_status(task_id) output = json.loads(response.content) self.assertEquals(output['task_id'], task_id) self.assertEquals(output['task_state'], REVOKED) @@ -201,10 +201,10 @@ class TaskSubmitTestCase(TestCase): self.assertEquals(output['message'], "Task revoked before running") def _get_output_for_task_success(self, attempted, updated, total, student=None): - """returns the task_id and the result returned by course_task_status().""" + """returns the task_id and the result returned by instructor_task_status().""" # view task entry for task in progress - course_task = self._create_progress_entry(student) - task_id = course_task.task_id + instructor_task = self._create_progress_entry(student) + task_id = instructor_task.task_id mock_result = Mock() mock_result.task_id = task_id mock_result.state = SUCCESS @@ -214,7 +214,7 @@ class TaskSubmitTestCase(TestCase): 'action_name': 'rescored'} with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: mock_result_ctor.return_value = mock_result - response = self._get_course_task_status(task_id) + response = self._get_instructor_task_status(task_id) output = json.loads(response.content) return task_id, output @@ -271,9 +271,9 @@ class TaskSubmitTestCase(TestCase): # def test_submit_when_running(self): # # get exception when trying to submit a task that is already running -# course_task = self._create_progress_entry() -# problem_url = json.loads(course_task.task_input).get('problem_url') -# course_id = course_task.course_id +# instructor_task = self._create_progress_entry() +# problem_url = json.loads(instructor_task.task_input).get('problem_url') +# course_id = instructor_task.course_id # # requester doesn't have to be the same when determining if a task is already running # request = Mock() # request.user = self.instructor diff --git a/lms/djangoapps/instructor_task/tests/test_integration.py b/lms/djangoapps/instructor_task/tests/test_integration.py index 704cc265a8..e875f5d8e7 100644 --- a/lms/djangoapps/instructor_task/tests/test_integration.py +++ b/lms/djangoapps/instructor_task/tests/test_integration.py @@ -9,7 +9,6 @@ import logging import json from mock import Mock, patch import textwrap -from uuid import uuid4 from celery.states import SUCCESS, FAILURE from django.contrib.auth.models import User @@ -23,17 +22,18 @@ from xmodule.modulestore.django import modulestore from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase from xmodule.modulestore.exceptions import ItemNotFoundError -from student.tests.factories import CourseEnrollmentFactory, UserFactory, AdminFactory +from student.tests.factories import CourseEnrollmentFactory, UserFactory, AdminFactory from courseware.model_data import StudentModule +from courseware.tests.tests import LoginEnrollmentTestCase, TEST_DATA_MONGO_MODULESTORE + from instructor_task.api import (submit_rescore_problem_for_all_students, submit_rescore_problem_for_student, submit_reset_problem_attempts_for_all_students, submit_delete_problem_state_for_all_students) -from instructor_task.views import instructor_task_status - -from courseware.tests.tests import LoginEnrollmentTestCase, TEST_DATA_MONGO_MODULESTORE +from instructor_task.models import InstructorTask from instructor_task.tests.factories import InstructorTaskFactory +from instructor_task.views import instructor_task_status log = logging.getLogger(__name__) @@ -306,6 +306,7 @@ class TestRescoring(TestRescoringBase): instructor_task = self.submit_rescore_all_student_answers('instructor', problem_url_name) # check instructor_task returned + instructor_task = InstructorTask.objects.get(id=instructor_task.id) self.assertEqual(instructor_task.task_state, 'FAILURE') self.assertEqual(instructor_task.requester.username, 'instructor') self.assertEqual(instructor_task.task_type, 'rescore_problem') @@ -359,6 +360,8 @@ class TestRescoring(TestRescoringBase): self.submit_student_answer('u1', problem_url_name, ["answer1", "answer2"]) instructor_task = self.submit_rescore_all_student_answers('instructor', problem_url_name) + + instructor_task = InstructorTask.objects.get(id=instructor_task.id) self.assertEqual(instructor_task.task_state, FAILURE) status = json.loads(instructor_task.task_output) self.assertEqual(status['exception'], 'NotImplementedError') @@ -510,7 +513,8 @@ class TestResetAttempts(TestRescoringBase): mock_save.side_effect = ZeroDivisionError(expected_message) instructor_task = self.reset_problem_attempts('instructor', problem_url_name) - # check instructor_task returned + # check instructor_task + instructor_task = InstructorTask.objects.get(id=instructor_task.id) self.assertEqual(instructor_task.task_state, FAILURE) self.assertEqual(instructor_task.requester.username, 'instructor') self.assertEqual(instructor_task.task_type, 'reset_problem_attempts') @@ -529,6 +533,7 @@ class TestResetAttempts(TestRescoringBase): """confirm that a non-problem can still be successfully reset""" problem_url_name = self.problem_section.location.url() instructor_task = self.reset_problem_attempts('instructor', problem_url_name) + instructor_task = InstructorTask.objects.get(id=instructor_task.id) self.assertEqual(instructor_task.task_state, SUCCESS) def test_reset_nonexistent_problem(self): @@ -586,6 +591,7 @@ class TestDeleteProblem(TestRescoringBase): instructor_task = self.delete_problem_state('instructor', problem_url_name) # check instructor_task returned + instructor_task = InstructorTask.objects.get(id=instructor_task.id) self.assertEqual(instructor_task.task_state, FAILURE) self.assertEqual(instructor_task.requester.username, 'instructor') self.assertEqual(instructor_task.task_type, 'delete_problem_state') @@ -604,6 +610,7 @@ class TestDeleteProblem(TestRescoringBase): """confirm that a non-problem can still be successfully deleted""" problem_url_name = self.problem_section.location.url() instructor_task = self.delete_problem_state('instructor', problem_url_name) + instructor_task = InstructorTask.objects.get(id=instructor_task.id) self.assertEqual(instructor_task.task_state, SUCCESS) def test_delete_nonexistent_module(self): diff --git a/lms/djangoapps/instructor_task/views.py b/lms/djangoapps/instructor_task/views.py index 5af0d46d46..c5970645ff 100644 --- a/lms/djangoapps/instructor_task/views.py +++ b/lms/djangoapps/instructor_task/views.py @@ -6,8 +6,8 @@ from django.http import HttpResponse from celery.states import FAILURE, REVOKED, READY_STATES -from instructor_task.api_helper import (_get_instructor_task_status, - _get_updated_instructor_task) +from instructor_task.api_helper import (get_status_from_instructor_task, + get_updated_instructor_task) log = logging.getLogger(__name__) @@ -31,10 +31,36 @@ def instructor_task_status(request): Task_id values that are unrecognized are skipped. + The dict with status information for a task contains the following keys: + 'message': status message reporting on progress, or providing exception message if failed. + 'succeeded': on complete tasks, indicates if the task outcome was successful: + did it achieve what it set out to do. + This is in contrast with a successful task_state, which indicates that the + task merely completed. + 'task_id': id assigned by LMS and used by celery. + 'task_state': state of task as stored in celery's result store. + 'in_progress': boolean indicating if task is still running. + 'task_progress': dict containing progress information. This includes: + 'attempted': number of attempts made + 'updated': number of attempts that "succeeded" + 'total': number of possible subtasks to attempt + 'action_name': user-visible verb to use in status messages. Should be past-tense. + 'duration_ms': how long the task has (or had) been running. + 'exception': name of exception class raised in failed tasks. + 'message': returned for failed and revoked tasks. + 'traceback': optional, returned if task failed and produced a traceback. + """ def get_instructor_task_status(task_id): - instructor_task = _get_updated_instructor_task(task_id) - status = _get_instructor_task_status(instructor_task) + """ + Returns status for a specific task. + + Written as an internal method here (rather than as a helper) + so that get_task_completion_info() can be called without + causing a circular dependency (since it's also called directly). + """ + instructor_task = get_updated_instructor_task(task_id) + status = get_status_from_instructor_task(instructor_task) if instructor_task.task_state in READY_STATES: succeeded, message = get_task_completion_info(instructor_task) status['message'] = message From a0dcc97e0840c2a11ea4ec4339e3b19f475869bf Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Wed, 12 Jun 2013 13:49:59 -0400 Subject: [PATCH 36/51] tasks now extract task_input and course_id from InstructorTask, instead of passing explicitly. --- lms/djangoapps/instructor_task/api_helper.py | 2 +- lms/djangoapps/instructor_task/tasks.py | 46 ++++++++----------- .../instructor_task/tasks_helper.py | 37 ++++++++++----- .../instructor_task/tests/test_api.py | 15 +++--- .../instructor_task/tests/test_integration.py | 4 +- 5 files changed, 57 insertions(+), 47 deletions(-) diff --git a/lms/djangoapps/instructor_task/api_helper.py b/lms/djangoapps/instructor_task/api_helper.py index 3decd36e1f..290166e347 100644 --- a/lms/djangoapps/instructor_task/api_helper.py +++ b/lms/djangoapps/instructor_task/api_helper.py @@ -277,7 +277,7 @@ def submit_task(request, task_type, task_class, course_id, task_input, task_key) # submit task: task_id = instructor_task.task_id - task_args = [instructor_task.id, course_id, task_input, _get_xmodule_instance_args(request)] + task_args = [instructor_task.id, _get_xmodule_instance_args(request)] task_class.apply_async(task_args, task_id=task_id) return instructor_task diff --git a/lms/djangoapps/instructor_task/tasks.py b/lms/djangoapps/instructor_task/tasks.py index ba5acc6f43..b1b2751195 100644 --- a/lms/djangoapps/instructor_task/tasks.py +++ b/lms/djangoapps/instructor_task/tasks.py @@ -1,19 +1,19 @@ """ -This file contains tasks that are designed to perform background operations on the +This file contains tasks that are designed to perform background operations on the running state of a course. """ from celery import task -from instructor_task.tasks_helper import (_update_problem_module_state, - _rescore_problem_module_state, - _reset_problem_attempts_module_state, - _delete_problem_module_state) +from instructor_task.tasks_helper import (update_problem_module_state, + rescore_problem_module_state, + reset_attempts_module_state, + delete_problem_module_state) @task -def rescore_problem(entry_id, course_id, task_input, xmodule_instance_args): +def rescore_problem(entry_id, xmodule_instance_args): """Rescores problem in `course_id`. `entry_id` is the id value of the InstructorTask entry that corresponds to this task. @@ -29,19 +29,15 @@ def rescore_problem(entry_id, course_id, task_input, xmodule_instance_args): to instantiate an xmodule instance. """ action_name = 'rescored' - update_fcn = _rescore_problem_module_state + update_fcn = rescore_problem_module_state filter_fcn = lambda(modules_to_update): modules_to_update.filter(state__contains='"done": true') - problem_url = task_input.get('problem_url') - student_ident = None - if 'student' in task_input: - student_ident = task_input['student'] - return _update_problem_module_state(entry_id, course_id, problem_url, student_ident, - update_fcn, action_name, filter_fcn=filter_fcn, - xmodule_instance_args=xmodule_instance_args) + return update_problem_module_state(entry_id, + update_fcn, action_name, filter_fcn=filter_fcn, + xmodule_instance_args=xmodule_instance_args) @task -def reset_problem_attempts(entry_id, course_id, task_input, xmodule_instance_args): +def reset_problem_attempts(entry_id, xmodule_instance_args): """Resets problem attempts to zero for `problem_url` in `course_id` for all students. `entry_id` is the id value of the InstructorTask entry that corresponds to this task. @@ -54,15 +50,14 @@ def reset_problem_attempts(entry_id, course_id, task_input, xmodule_instance_arg to instantiate an xmodule instance. """ action_name = 'reset' - update_fcn = _reset_problem_attempts_module_state - problem_url = task_input.get('problem_url') - return _update_problem_module_state(entry_id, course_id, problem_url, None, - update_fcn, action_name, filter_fcn=None, - xmodule_instance_args=xmodule_instance_args) + update_fcn = reset_attempts_module_state + return update_problem_module_state(entry_id, + update_fcn, action_name, filter_fcn=None, + xmodule_instance_args=xmodule_instance_args) @task -def delete_problem_state(entry_id, course_id, task_input, xmodule_instance_args): +def delete_problem_state(entry_id, xmodule_instance_args): """Deletes problem state entirely for `problem_url` in `course_id` for all students. `entry_id` is the id value of the InstructorTask entry that corresponds to this task. @@ -75,8 +70,7 @@ def delete_problem_state(entry_id, course_id, task_input, xmodule_instance_args) to instantiate an xmodule instance. """ action_name = 'deleted' - update_fcn = _delete_problem_module_state - problem_url = task_input.get('problem_url') - return _update_problem_module_state(entry_id, course_id, problem_url, None, - update_fcn, action_name, filter_fcn=None, - xmodule_instance_args=xmodule_instance_args) + update_fcn = delete_problem_module_state + return update_problem_module_state(entry_id, + update_fcn, action_name, filter_fcn=None, + xmodule_instance_args=xmodule_instance_args) diff --git a/lms/djangoapps/instructor_task/tasks_helper.py b/lms/djangoapps/instructor_task/tasks_helper.py index a5a2d758ac..faea903022 100644 --- a/lms/djangoapps/instructor_task/tasks_helper.py +++ b/lms/djangoapps/instructor_task/tasks_helper.py @@ -1,5 +1,5 @@ """ -This file contains tasks that are designed to perform background operations on the +This file contains tasks that are designed to perform background operations on the running state of a course. @@ -50,7 +50,7 @@ class UpdateProblemModuleStateError(Exception): def _perform_module_state_update(course_id, module_state_key, student_identifier, update_fcn, action_name, filter_fcn, - xmodule_instance_args): + xmodule_instance_args): """ Performs generic update by visiting StudentModule instances with the update_fcn provided. @@ -161,7 +161,7 @@ def _save_course_task(course_task): course_task.save() -def _update_problem_module_state(entry_id, course_id, module_state_key, student_ident, update_fcn, action_name, filter_fcn, +def update_problem_module_state(entry_id, update_fcn, action_name, filter_fcn, xmodule_instance_args): """ Performs generic update by visiting StudentModule instances with the update_fcn provided. @@ -195,15 +195,20 @@ def _update_problem_module_state(entry_id, course_id, module_state_key, student_ result object that Celery creates. """ - task_id = current_task.request.id - fmt = 'Starting to update problem modules as task "{task_id}": course "{course_id}" problem "{state_key}": nothing {action} yet' - TASK_LOG.info(fmt.format(task_id=task_id, course_id=course_id, state_key=module_state_key, action=action_name)) # get the InstructorTask to be updated. If this fails, then let the exception return to Celery. # There's no point in catching it here. entry = InstructorTask.objects.get(pk=entry_id) - entry.task_id = task_id - _save_course_task(entry) + + # get inputs to use in this task from the entry: + task_id = entry.task_id + course_id = entry.course_id + task_input = json.loads(entry.task_input) + module_state_key = task_input.get('problem_url') + student_ident = task_input['student'] if 'student' in task_input else None + + fmt = 'Starting to update problem modules as task "{task_id}": course "{course_id}" problem "{state_key}": nothing {action} yet' + TASK_LOG.info(fmt.format(task_id=task_id, course_id=course_id, state_key=module_state_key, action=action_name)) # add task_id to xmodule_instance_args, so that it can be output with tracking info: if xmodule_instance_args is not None: @@ -212,6 +217,16 @@ def _update_problem_module_state(entry_id, course_id, module_state_key, student_ # now that we have an entry we can try to catch failures: task_progress = None try: + # check that the task_id submitted in the InstructorTask matches the current task + # that is running. + request_task_id = current_task.request.id + if task_id != request_task_id: + fmt = 'Requested task "{task_id}" did not match actual task "{actual_id}"' + message = fmt.format(task_id=task_id, course_id=course_id, state_key=module_state_key, actual_id=request_task_id) + TASK_LOG.error(message) + raise UpdateProblemModuleStateError(message) + + # now do the work: with dog_stats_api.timer('courseware.tasks.module.{0}.overall_time'.format(action_name)): task_progress = _perform_module_state_update(course_id, module_state_key, student_ident, update_fcn, action_name, filter_fcn, xmodule_instance_args) @@ -280,7 +295,7 @@ def _get_module_instance_for_task(course_id, student, module_descriptor, xmodule @transaction.autocommit -def _rescore_problem_module_state(module_descriptor, student_module, xmodule_instance_args=None): +def rescore_problem_module_state(module_descriptor, student_module, xmodule_instance_args=None): ''' Takes an XModule descriptor and a corresponding StudentModule object, and performs rescoring on the student's problem submission. @@ -330,7 +345,7 @@ def _rescore_problem_module_state(module_descriptor, student_module, xmodule_ins @transaction.autocommit -def _reset_problem_attempts_module_state(_module_descriptor, student_module, xmodule_instance_args=None): +def reset_attempts_module_state(_module_descriptor, student_module, xmodule_instance_args=None): """ Resets problem attempts to zero for specified `student_module`. @@ -356,7 +371,7 @@ def _reset_problem_attempts_module_state(_module_descriptor, student_module, xmo @transaction.autocommit -def _delete_problem_module_state(_module_descriptor, student_module, xmodule_instance_args=None): +def delete_problem_module_state(_module_descriptor, student_module, xmodule_instance_args=None): """ Delete the StudentModule entry. diff --git a/lms/djangoapps/instructor_task/tests/test_api.py b/lms/djangoapps/instructor_task/tests/test_api.py index 14af159cd3..666d69dde0 100644 --- a/lms/djangoapps/instructor_task/tests/test_api.py +++ b/lms/djangoapps/instructor_task/tests/test_api.py @@ -24,7 +24,7 @@ from instructor_task.api import (get_running_instructor_tasks, submit_delete_problem_state_for_all_students) from instructor_task.api_helper import (QUEUING, - AlreadyRunningError, +# AlreadyRunningError, encode_problem_and_student_input, ) @@ -61,12 +61,12 @@ class TaskSubmitTestCase(TestCase): task_input, task_key = encode_problem_and_student_input(self.problem_url, student) instructor_task = InstructorTaskFactory.create(course_id=TEST_COURSE_ID, - requester=self.instructor, - task_input=json.dumps(task_input), - task_key=task_key, - task_id=task_id, - task_state=task_state, - task_output=progress_json) + requester=self.instructor, + task_input=json.dumps(task_input), + task_key=task_key, + task_id=task_id, + task_state=task_state, + task_output=progress_json) return instructor_task def _create_failure_entry(self): @@ -101,6 +101,7 @@ class TaskSubmitTestCase(TestCase): self.assertEquals(set(task_ids), set(progress_task_ids)) def _get_instructor_task_status(self, task_id): + """Returns status corresponding to task_id via api method.""" request = Mock() request.REQUEST = {'task_id': task_id} return instructor_task_status(request) diff --git a/lms/djangoapps/instructor_task/tests/test_integration.py b/lms/djangoapps/instructor_task/tests/test_integration.py index e875f5d8e7..7980715bfc 100644 --- a/lms/djangoapps/instructor_task/tests/test_integration.py +++ b/lms/djangoapps/instructor_task/tests/test_integration.py @@ -2,7 +2,7 @@ Integration Test for LMS instructor-initiated background tasks Runs tasks on answers to course problems to validate that code -paths actually work. +paths actually work. """ import logging @@ -32,7 +32,6 @@ from instructor_task.api import (submit_rescore_problem_for_all_students, submit_reset_problem_attempts_for_all_students, submit_delete_problem_state_for_all_students) from instructor_task.models import InstructorTask -from instructor_task.tests.factories import InstructorTaskFactory from instructor_task.views import instructor_task_status @@ -235,6 +234,7 @@ class TestRescoringBase(LoginEnrollmentTestCase, ModuleStoreTestCase): self.assertGreater(len(state['student_answers']), 0) def get_task_status(self, task_id): + """Use api method to fetch task status, using mock request.""" mock_request = Mock() mock_request.REQUEST = {'task_id': task_id} response = instructor_task_status(mock_request) From 3bd2b08258f164c1c4dc8e1c2cd9a5300e24b6d6 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Wed, 12 Jun 2013 17:51:42 -0400 Subject: [PATCH 37/51] factor out InstructorTaskTestCase base class, for reuse in test_tasks. --- .../instructor_task/tests/test_api.py | 2 +- .../instructor_task/tests/test_base.py | 142 +++++++++++ .../instructor_task/tests/test_integration.py | 230 +++++------------- 3 files changed, 199 insertions(+), 175 deletions(-) create mode 100644 lms/djangoapps/instructor_task/tests/test_base.py diff --git a/lms/djangoapps/instructor_task/tests/test_api.py b/lms/djangoapps/instructor_task/tests/test_api.py index 666d69dde0..834802193f 100644 --- a/lms/djangoapps/instructor_task/tests/test_api.py +++ b/lms/djangoapps/instructor_task/tests/test_api.py @@ -1,5 +1,5 @@ """ -Test for LMS courseware background task queue management +Test for LMS instructor background task queue management """ import logging import json diff --git a/lms/djangoapps/instructor_task/tests/test_base.py b/lms/djangoapps/instructor_task/tests/test_base.py new file mode 100644 index 0000000000..572f7a0a53 --- /dev/null +++ b/lms/djangoapps/instructor_task/tests/test_base.py @@ -0,0 +1,142 @@ +""" +Integration Test for LMS instructor-initiated background tasks + +Runs tasks on answers to course problems to validate that code +paths actually work. + +""" +import logging +import json +from mock import Mock + +from django.contrib.auth.models import User +from django.test.utils import override_settings + +from capa.tests.response_xml_factory import OptionResponseXMLFactory +from xmodule.modulestore.django import modulestore +from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory +from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase + +from student.tests.factories import CourseEnrollmentFactory, UserFactory, AdminFactory +from courseware.model_data import StudentModule +from courseware.tests.tests import LoginEnrollmentTestCase, TEST_DATA_MONGO_MODULESTORE + +from instructor_task.views import instructor_task_status + + +log = logging.getLogger(__name__) + + +TEST_COURSE_ORG = 'edx' +TEST_COURSE_NAME = 'Test Course' +TEST_COURSE_NUMBER = '1.23x' +TEST_SECTION_NAME = "Problem" + + +@override_settings(MODULESTORE=TEST_DATA_MONGO_MODULESTORE) +class InstructorTaskTestCase(LoginEnrollmentTestCase, ModuleStoreTestCase): + """ + Test that all students' answers to a problem can be rescored after the + definition of the problem has been redefined. + """ + course = None + current_user = None + + def initialize_course(self): + """Create a course in the store, with a chapter and section.""" + self.module_store = modulestore() + + # Create the course + self.course = CourseFactory.create(org=TEST_COURSE_ORG, + number=TEST_COURSE_NUMBER, + display_name=TEST_COURSE_NAME) + + # Add a chapter to the course + chapter = ItemFactory.create(parent_location=self.course.location, + display_name=TEST_SECTION_NAME) + + # add a sequence to the course to which the problems can be added + self.problem_section = ItemFactory.create(parent_location=chapter.location, + template='i4x://edx/templates/sequential/Empty', + display_name=TEST_SECTION_NAME) + + @staticmethod + def get_user_email(username): + """Generate email address based on username""" + return '{0}@test.com'.format(username) + + def login_username(self, username): + """Login the user, given the `username`.""" + self.login(InstructorTaskTestCase.get_user_email(username), "test") + self.current_user = username + + def _create_user(self, username, is_staff=False): + """Creates a user and enrolls them in the test course.""" + email = InstructorTaskTestCase.get_user_email(username) + if (is_staff): + AdminFactory.create(username=username, email=email) + else: + UserFactory.create(username=username, email=email) + thisuser = User.objects.get(username=username) + CourseEnrollmentFactory.create(user=thisuser, course_id=self.course.id) + return thisuser + + def create_instructor(self, username): + """Creates an instructor for the test course.""" + return self._create_user(username, is_staff=True) + + def create_student(self, username): + """Creates a student for the test course.""" + return self._create_user(username, is_staff=False) + + @staticmethod + def problem_location(problem_url_name): + """ + Create an internal location for a test problem. + """ + if "i4x:" in problem_url_name: + return problem_url_name + else: + return "i4x://{org}/{number}/problem/{problem_url_name}".format(org=TEST_COURSE_ORG, + number=TEST_COURSE_NUMBER, + problem_url_name=problem_url_name) + + def define_option_problem(self, problem_url_name): + """Create the problem definition so the answer is Option 1""" + factory = OptionResponseXMLFactory() + factory_args = {'question_text': 'The correct answer is Option 1', + 'options': ['Option 1', 'Option 2'], + 'correct_option': 'Option 1', + 'num_responses': 2} + problem_xml = factory.build_xml(**factory_args) + ItemFactory.create(parent_location=self.problem_section.location, + template="i4x://edx/templates/problem/Blank_Common_Problem", + display_name=str(problem_url_name), + data=problem_xml) + + def redefine_option_problem(self, problem_url_name): + """Change the problem definition so the answer is Option 2""" + factory = OptionResponseXMLFactory() + factory_args = {'question_text': 'The correct answer is Option 2', + 'options': ['Option 1', 'Option 2'], + 'correct_option': 'Option 2', + 'num_responses': 2} + problem_xml = factory.build_xml(**factory_args) + location = InstructorTaskTestCase.problem_location(problem_url_name) + self.module_store.update_item(location, problem_xml) + + def get_student_module(self, username, descriptor): + """Get StudentModule object for test course, given the `username` and the problem's `descriptor`.""" + return StudentModule.objects.get(course_id=self.course.id, + student=User.objects.get(username=username), + module_type=descriptor.location.category, + module_state_key=descriptor.location.url(), + ) + + def get_task_status(self, task_id): + """Use api method to fetch task status, using mock request.""" + mock_request = Mock() + mock_request.REQUEST = {'task_id': task_id} + response = instructor_task_status(mock_request) + status = json.loads(response.content) + return status diff --git a/lms/djangoapps/instructor_task/tests/test_integration.py b/lms/djangoapps/instructor_task/tests/test_integration.py index 7980715bfc..4132d305e2 100644 --- a/lms/djangoapps/instructor_task/tests/test_integration.py +++ b/lms/djangoapps/instructor_task/tests/test_integration.py @@ -1,5 +1,5 @@ """ -Integration Test for LMS instructor-initiated background tasks +Integration Tests for LMS instructor-initiated background tasks Runs tasks on answers to course problems to validate that code paths actually work. @@ -13,144 +13,26 @@ import textwrap from celery.states import SUCCESS, FAILURE from django.contrib.auth.models import User from django.core.urlresolvers import reverse -from django.test.utils import override_settings -from capa.tests.response_xml_factory import (OptionResponseXMLFactory, - CodeResponseXMLFactory, +from capa.tests.response_xml_factory import (CodeResponseXMLFactory, CustomResponseXMLFactory) -from xmodule.modulestore.django import modulestore -from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory -from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase +from xmodule.modulestore.tests.factories import ItemFactory from xmodule.modulestore.exceptions import ItemNotFoundError -from student.tests.factories import CourseEnrollmentFactory, UserFactory, AdminFactory from courseware.model_data import StudentModule -from courseware.tests.tests import LoginEnrollmentTestCase, TEST_DATA_MONGO_MODULESTORE from instructor_task.api import (submit_rescore_problem_for_all_students, submit_rescore_problem_for_student, submit_reset_problem_attempts_for_all_students, submit_delete_problem_state_for_all_students) from instructor_task.models import InstructorTask -from instructor_task.views import instructor_task_status +from instructor_task.tests.test_base import InstructorTaskTestCase, TEST_COURSE_ORG, TEST_COURSE_NUMBER log = logging.getLogger(__name__) -TEST_COURSE_ORG = 'edx' -TEST_COURSE_NAME = 'Test Course' -TEST_COURSE_NUMBER = '1.23x' -TEST_SECTION_NAME = "Problem" - - -@override_settings(MODULESTORE=TEST_DATA_MONGO_MODULESTORE) -class TestRescoringBase(LoginEnrollmentTestCase, ModuleStoreTestCase): - """ - Test that all students' answers to a problem can be rescored after the - definition of the problem has been redefined. - """ - course = None - current_user = None - - def initialize_course(self): - """Create a course in the store, with a chapter and section.""" - self.module_store = modulestore() - - # Create the course - self.course = CourseFactory.create(org=TEST_COURSE_ORG, - number=TEST_COURSE_NUMBER, - display_name=TEST_COURSE_NAME) - - # Add a chapter to the course - chapter = ItemFactory.create(parent_location=self.course.location, - display_name=TEST_SECTION_NAME) - - # add a sequence to the course to which the problems can be added - self.problem_section = ItemFactory.create(parent_location=chapter.location, - template='i4x://edx/templates/sequential/Empty', - display_name=TEST_SECTION_NAME) - - @staticmethod - def get_user_email(username): - """Generate email address based on username""" - return '{0}@test.com'.format(username) - - def login_username(self, username): - """Login the user, given the `username`.""" - self.login(TestRescoringBase.get_user_email(username), "test") - self.current_user = username - - def _create_user(self, username, is_staff=False): - """Creates a user and enrolls them in the test course.""" - email = TestRescoringBase.get_user_email(username) - if (is_staff): - AdminFactory.create(username=username, email=email) - else: - UserFactory.create(username=username, email=email) - thisuser = User.objects.get(username=username) - CourseEnrollmentFactory.create(user=thisuser, course_id=self.course.id) - return thisuser - - def create_instructor(self, username): - """Creates an instructor for the test course.""" - return self._create_user(username, is_staff=True) - - def create_student(self, username): - """Creates a student for the test course.""" - return self._create_user(username, is_staff=False) - - @staticmethod - def problem_location(problem_url_name): - """ - Create an internal location for a test problem. - """ - if "i4x:" in problem_url_name: - return problem_url_name - else: - return "i4x://{org}/{number}/problem/{problem_url_name}".format(org=TEST_COURSE_ORG, - number=TEST_COURSE_NUMBER, - problem_url_name=problem_url_name) - - def define_option_problem(self, problem_url_name): - """Create the problem definition so the answer is Option 1""" - factory = OptionResponseXMLFactory() - factory_args = {'question_text': 'The correct answer is Option 1', - 'options': ['Option 1', 'Option 2'], - 'correct_option': 'Option 1', - 'num_responses': 2} - problem_xml = factory.build_xml(**factory_args) - ItemFactory.create(parent_location=self.problem_section.location, - template="i4x://edx/templates/problem/Blank_Common_Problem", - display_name=str(problem_url_name), - data=problem_xml) - - def redefine_option_problem(self, problem_url_name): - """Change the problem definition so the answer is Option 2""" - factory = OptionResponseXMLFactory() - factory_args = {'question_text': 'The correct answer is Option 2', - 'options': ['Option 1', 'Option 2'], - 'correct_option': 'Option 2', - 'num_responses': 2} - problem_xml = factory.build_xml(**factory_args) - location = TestRescoring.problem_location(problem_url_name) - self.module_store.update_item(location, problem_xml) - - def render_problem(self, username, problem_url_name): - """ - Use ajax interface to request html for a problem. - """ - # make sure that the requested user is logged in, so that the ajax call works - # on the right problem: - if self.current_user != username: - self.login_username(username) - # make ajax call: - modx_url = reverse('modx_dispatch', - kwargs={'course_id': self.course.id, - 'location': TestRescoring.problem_location(problem_url_name), - 'dispatch': 'problem_get', }) - resp = self.client.post(modx_url, {}) - return resp +class TestIntegrationTask(InstructorTaskTestCase): def submit_student_answer(self, username, problem_url_name, responses): """ @@ -171,7 +53,7 @@ class TestRescoringBase(LoginEnrollmentTestCase, ModuleStoreTestCase): # make ajax call: modx_url = reverse('modx_dispatch', kwargs={'course_id': self.course.id, - 'location': TestRescoring.problem_location(problem_url_name), + 'location': InstructorTaskTestCase.problem_location(problem_url_name), 'dispatch': 'problem_check', }) resp = self.client.post(modx_url, { @@ -189,29 +71,34 @@ class TestRescoringBase(LoginEnrollmentTestCase, ModuleStoreTestCase): request.is_secure = Mock(return_value=False) return request - def submit_rescore_all_student_answers(self, instructor, problem_url_name): - """Submits the particular problem for rescoring""" - return submit_rescore_problem_for_all_students(self.create_task_request(instructor), self.course.id, - TestRescoringBase.problem_location(problem_url_name)) - def submit_rescore_one_student_answer(self, instructor, problem_url_name, student): - """Submits the particular problem for rescoring for a particular student""" - return submit_rescore_problem_for_student(self.create_task_request(instructor), self.course.id, - TestRescoringBase.problem_location(problem_url_name), - student) +class TestRescoringTask(TestIntegrationTask): + """Test rescoring problems in a background task.""" - def rescore_all_student_answers(self, instructor, problem_url_name): - """Runs the task to rescore the current problem""" - return submit_rescore_problem_for_all_students(self.create_task_request(instructor), self.course.id, - TestRescoringBase.problem_location(problem_url_name)) + def setUp(self): + self.initialize_course() + self.create_instructor('instructor') + self.create_student('u1') + self.create_student('u2') + self.create_student('u3') + self.create_student('u4') + self.logout() - def get_student_module(self, username, descriptor): - """Get StudentModule object for test course, given the `username` and the problem's `descriptor`.""" - return StudentModule.objects.get(course_id=self.course.id, - student=User.objects.get(username=username), - module_type=descriptor.location.category, - module_state_key=descriptor.location.url(), - ) + def render_problem(self, username, problem_url_name): + """ + Use ajax interface to request html for a problem. + """ + # make sure that the requested user is logged in, so that the ajax call works + # on the right problem: + if self.current_user != username: + self.login_username(username) + # make ajax call: + modx_url = reverse('modx_dispatch', + kwargs={'course_id': self.course.id, + 'location': InstructorTaskTestCase.problem_location(problem_url_name), + 'dispatch': 'problem_get', }) + resp = self.client.post(modx_url, {}) + return resp def check_state(self, username, descriptor, expected_score, expected_max_score, expected_attempts): """ @@ -233,33 +120,28 @@ class TestRescoringBase(LoginEnrollmentTestCase, ModuleStoreTestCase): self.assertGreater(len(state['correct_map']), 0) self.assertGreater(len(state['student_answers']), 0) - def get_task_status(self, task_id): - """Use api method to fetch task status, using mock request.""" - mock_request = Mock() - mock_request.REQUEST = {'task_id': task_id} - response = instructor_task_status(mock_request) - status = json.loads(response.content) - return status + def submit_rescore_all_student_answers(self, instructor, problem_url_name): + """Submits the particular problem for rescoring""" + return submit_rescore_problem_for_all_students(self.create_task_request(instructor), self.course.id, + InstructorTaskTestCase.problem_location(problem_url_name)) + def submit_rescore_one_student_answer(self, instructor, problem_url_name, student): + """Submits the particular problem for rescoring for a particular student""" + return submit_rescore_problem_for_student(self.create_task_request(instructor), self.course.id, + InstructorTaskTestCase.problem_location(problem_url_name), + student) -class TestRescoring(TestRescoringBase): - """Test rescoring problems in a background task.""" - - def setUp(self): - self.initialize_course() - self.create_instructor('instructor') - self.create_student('u1') - self.create_student('u2') - self.create_student('u3') - self.create_student('u4') - self.logout() + def rescore_all_student_answers(self, instructor, problem_url_name): + """Runs the task to rescore the current problem""" + return submit_rescore_problem_for_all_students(self.create_task_request(instructor), self.course.id, + InstructorTaskTestCase.problem_location(problem_url_name)) def test_rescoring_option_problem(self): '''Run rescore scenario on option problem''' # get descriptor: problem_url_name = 'H1P1' self.define_option_problem(problem_url_name) - location = TestRescoring.problem_location(problem_url_name) + location = InstructorTaskTestCase.problem_location(problem_url_name) descriptor = self.module_store.get_instance(self.course.id, location) # first store answers for each of the separate users: @@ -312,7 +194,7 @@ class TestRescoring(TestRescoringBase): self.assertEqual(instructor_task.task_type, 'rescore_problem') task_input = json.loads(instructor_task.task_input) self.assertFalse('student' in task_input) - self.assertEqual(task_input['problem_url'], TestRescoring.problem_location(problem_url_name)) + self.assertEqual(task_input['problem_url'], InstructorTaskTestCase.problem_location(problem_url_name)) status = json.loads(instructor_task.task_output) self.assertEqual(status['exception'], 'ZeroDivisionError') self.assertEqual(status['message'], expected_message) @@ -395,7 +277,7 @@ class TestRescoring(TestRescoringBase): """) problem_xml = factory.build_xml(script=script, cfn="check_func", expect="42", num_responses=1) if redefine: - self.module_store.update_item(TestRescoringBase.problem_location(problem_url_name), problem_xml) + self.module_store.update_item(InstructorTaskTestCase.problem_location(problem_url_name), problem_xml) else: # Use "per-student" rerandomization so that check-problem can be called more than once. # Using "always" means we cannot check a problem twice, but we want to call once to get the @@ -413,7 +295,7 @@ class TestRescoring(TestRescoringBase): # First define the custom response problem: problem_url_name = 'H1P1' self.define_randomized_custom_response_problem(problem_url_name) - location = TestRescoring.problem_location(problem_url_name) + location = InstructorTaskTestCase.problem_location(problem_url_name) descriptor = self.module_store.get_instance(self.course.id, location) # run with more than one user userlist = ['u1', 'u2', 'u3', 'u4'] @@ -459,7 +341,7 @@ class TestRescoring(TestRescoringBase): self.check_state(username, descriptor, 0, 1, 2) -class TestResetAttempts(TestRescoringBase): +class TestResetAttemptsTask(TestIntegrationTask): """Test resetting problem attempts in a background task.""" userlist = ['u1', 'u2', 'u3', 'u4'] @@ -479,14 +361,14 @@ class TestResetAttempts(TestRescoringBase): def reset_problem_attempts(self, instructor, problem_url_name): """Submits the current problem for resetting""" return submit_reset_problem_attempts_for_all_students(self.create_task_request(instructor), self.course.id, - TestRescoringBase.problem_location(problem_url_name)) + InstructorTaskTestCase.problem_location(problem_url_name)) def test_reset_attempts_on_problem(self): '''Run reset-attempts scenario on option problem''' # get descriptor: problem_url_name = 'H1P1' self.define_option_problem(problem_url_name) - location = TestRescoringBase.problem_location(problem_url_name) + location = InstructorTaskTestCase.problem_location(problem_url_name) descriptor = self.module_store.get_instance(self.course.id, location) num_attempts = 3 # first store answers for each of the separate users: @@ -520,7 +402,7 @@ class TestResetAttempts(TestRescoringBase): self.assertEqual(instructor_task.task_type, 'reset_problem_attempts') task_input = json.loads(instructor_task.task_input) self.assertFalse('student' in task_input) - self.assertEqual(task_input['problem_url'], TestRescoring.problem_location(problem_url_name)) + self.assertEqual(task_input['problem_url'], TestRescoringTask.problem_location(problem_url_name)) status = json.loads(instructor_task.task_output) self.assertEqual(status['exception'], 'ZeroDivisionError') self.assertEqual(status['message'], expected_message) @@ -543,7 +425,7 @@ class TestResetAttempts(TestRescoringBase): self.reset_problem_attempts('instructor', problem_url_name) -class TestDeleteProblem(TestRescoringBase): +class TestDeleteProblemTask(TestIntegrationTask): """Test deleting problem state in a background task.""" userlist = ['u1', 'u2', 'u3', 'u4'] @@ -557,14 +439,14 @@ class TestDeleteProblem(TestRescoringBase): def delete_problem_state(self, instructor, problem_url_name): """Submits the current problem for deletion""" return submit_delete_problem_state_for_all_students(self.create_task_request(instructor), self.course.id, - TestRescoringBase.problem_location(problem_url_name)) + InstructorTaskTestCase.problem_location(problem_url_name)) def test_delete_problem_state(self): '''Run delete-state scenario on option problem''' # get descriptor: problem_url_name = 'H1P1' self.define_option_problem(problem_url_name) - location = TestRescoringBase.problem_location(problem_url_name) + location = InstructorTaskTestCase.problem_location(problem_url_name) descriptor = self.module_store.get_instance(self.course.id, location) # first store answers for each of the separate users: for username in self.userlist: @@ -597,7 +479,7 @@ class TestDeleteProblem(TestRescoringBase): self.assertEqual(instructor_task.task_type, 'delete_problem_state') task_input = json.loads(instructor_task.task_input) self.assertFalse('student' in task_input) - self.assertEqual(task_input['problem_url'], TestRescoring.problem_location(problem_url_name)) + self.assertEqual(task_input['problem_url'], TestRescoringTask.problem_location(problem_url_name)) status = json.loads(instructor_task.task_output) self.assertEqual(status['exception'], 'ZeroDivisionError') self.assertEqual(status['message'], expected_message) From 2c5e038f829f0a87ac8d3ee287c6fbbf5a7e0f0c Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Thu, 13 Jun 2013 03:27:22 -0400 Subject: [PATCH 38/51] initial test_tasks --- lms/djangoapps/instructor_task/api_helper.py | 8 +- .../instructor_task/tasks_helper.py | 19 +- .../instructor_task/tests/test_api.py | 266 +++++++++++++----- .../instructor_task/tests/test_base.py | 25 +- .../instructor_task/tests/test_integration.py | 48 ++-- .../instructor_task/tests/test_tasks.py | 258 +++++++++++++++++ lms/djangoapps/instructor_task/views.py | 53 ++-- lms/envs/test.py | 1 - 8 files changed, 558 insertions(+), 120 deletions(-) create mode 100644 lms/djangoapps/instructor_task/tests/test_tasks.py diff --git a/lms/djangoapps/instructor_task/api_helper.py b/lms/djangoapps/instructor_task/api_helper.py index 290166e347..800c493cf6 100644 --- a/lms/djangoapps/instructor_task/api_helper.py +++ b/lms/djangoapps/instructor_task/api_helper.py @@ -14,7 +14,6 @@ from xmodule.modulestore.django import modulestore from instructor_task.models import InstructorTask from instructor_task.tasks_helper import PROGRESS - log = logging.getLogger(__name__) # define a "state" used in InstructorTask @@ -49,6 +48,13 @@ def _reserve_task(course_id, task_type, task_key, task_input, requester): will cause any pending transaction to be committed by a successful save here. Any future database operations will take place in a separate transaction. + + Note that there is a chance of a race condition here, when two users + try to run the same task at almost exactly the same time. One user + could be after the check and before the create when the second user + gets to the check. At that point, both users are able to run their + tasks simultaneously. This is deemed a small enough risk to not + put in further safeguards. """ if _task_is_running(course_id, task_type, task_key): diff --git a/lms/djangoapps/instructor_task/tasks_helper.py b/lms/djangoapps/instructor_task/tasks_helper.py index faea903022..9776c7336d 100644 --- a/lms/djangoapps/instructor_task/tasks_helper.py +++ b/lms/djangoapps/instructor_task/tasks_helper.py @@ -49,6 +49,11 @@ class UpdateProblemModuleStateError(Exception): pass +def _get_current_task(): + """Stub to make it easier to test without actually running Celery""" + return current_task + + def _perform_module_state_update(course_id, module_state_key, student_identifier, update_fcn, action_name, filter_fcn, xmodule_instance_args): """ @@ -137,12 +142,12 @@ def _perform_module_state_update(course_id, module_state_key, student_identifier return progress task_progress = get_task_progress() - current_task.update_state(state=PROGRESS, meta=task_progress) + _get_current_task().update_state(state=PROGRESS, meta=task_progress) for module_to_update in modules_to_update: num_attempted += 1 # There is no try here: if there's an error, we let it throw, and the task will # be marked as FAILED, with a stack trace. - with dog_stats_api.timer('courseware.tasks.module.{0}.time'.format(action_name)): + with dog_stats_api.timer('instructor_tasks.module.{0}.time'.format(action_name)): if update_fcn(module_descriptor, module_to_update, xmodule_instance_args): # If the update_fcn returns true, then it performed some kind of work. # Logging of failures is left to the update_fcn itself. @@ -150,7 +155,7 @@ def _perform_module_state_update(course_id, module_state_key, student_identifier # update task status: task_progress = get_task_progress() - current_task.update_state(state=PROGRESS, meta=task_progress) + _get_current_task().update_state(state=PROGRESS, meta=task_progress) return task_progress @@ -162,7 +167,7 @@ def _save_course_task(course_task): def update_problem_module_state(entry_id, update_fcn, action_name, filter_fcn, - xmodule_instance_args): + xmodule_instance_args): """ Performs generic update by visiting StudentModule instances with the update_fcn provided. @@ -219,7 +224,7 @@ def update_problem_module_state(entry_id, update_fcn, action_name, filter_fcn, try: # check that the task_id submitted in the InstructorTask matches the current task # that is running. - request_task_id = current_task.request.id + request_task_id = _get_current_task().request.id if task_id != request_task_id: fmt = 'Requested task "{task_id}" did not match actual task "{actual_id}"' message = fmt.format(task_id=task_id, course_id=course_id, state_key=module_state_key, actual_id=request_task_id) @@ -227,7 +232,7 @@ def update_problem_module_state(entry_id, update_fcn, action_name, filter_fcn, raise UpdateProblemModuleStateError(message) # now do the work: - with dog_stats_api.timer('courseware.tasks.module.{0}.overall_time'.format(action_name)): + with dog_stats_api.timer('instructor_tasks.module.{0}.overall_time'.format(action_name)): task_progress = _perform_module_state_update(course_id, module_state_key, student_ident, update_fcn, action_name, filter_fcn, xmodule_instance_args) except Exception: @@ -351,7 +356,7 @@ def reset_attempts_module_state(_module_descriptor, student_module, xmodule_inst Always returns true, indicating success, if it doesn't raise an exception due to database error. """ - problem_state = json.loads(student_module.state) + problem_state = json.loads(student_module.state) if student_module.state else {} if 'attempts' in problem_state: old_number_of_attempts = problem_state["attempts"] if old_number_of_attempts > 0: diff --git a/lms/djangoapps/instructor_task/tests/test_api.py b/lms/djangoapps/instructor_task/tests/test_api.py index 834802193f..c1b87865b7 100644 --- a/lms/djangoapps/instructor_task/tests/test_api.py +++ b/lms/djangoapps/instructor_task/tests/test_api.py @@ -3,7 +3,7 @@ Test for LMS instructor background task queue management """ import logging import json -from celery.states import SUCCESS, FAILURE, REVOKED +from celery.states import SUCCESS, FAILURE, REVOKED, PENDING from mock import Mock, patch from uuid import uuid4 @@ -14,19 +14,23 @@ from django.test.testcases import TestCase from xmodule.modulestore.exceptions import ItemNotFoundError from courseware.tests.factories import UserFactory -from instructor_task.tests.factories import InstructorTaskFactory -from instructor_task.tasks_helper import PROGRESS -from instructor_task.views import instructor_task_status + from instructor_task.api import (get_running_instructor_tasks, + get_instructor_task_history, submit_rescore_problem_for_all_students, submit_rescore_problem_for_student, submit_reset_problem_attempts_for_all_students, submit_delete_problem_state_for_all_students) from instructor_task.api_helper import (QUEUING, -# AlreadyRunningError, + AlreadyRunningError, encode_problem_and_student_input, ) +from instructor_task.models import InstructorTask +from instructor_task.tasks_helper import PROGRESS +from instructor_task.tests.test_base import InstructorTaskTestCase +from instructor_task.tests.factories import InstructorTaskFactory +from instructor_task.views import instructor_task_status, get_task_completion_info log = logging.getLogger(__name__) @@ -34,16 +38,17 @@ log = logging.getLogger(__name__) TEST_COURSE_ID = 'edx/1.23x/test_course' TEST_FAILURE_MESSAGE = 'task failed horribly' +TEST_FAILURE_EXCEPTION = 'RandomCauseError' -class TaskSubmitTestCase(TestCase): +class InstructorTaskReportTest(TestCase): """ - Check that background tasks are properly queued and report status. + Tests API and view methods that involve the reporting of status for background tasks. """ def setUp(self): self.student = UserFactory.create(username="student", email="student@edx.org") self.instructor = UserFactory.create(username="instructor", email="instructor@edx.org") - self.problem_url = TaskSubmitTestCase.problem_location("test_urlname") + self.problem_url = InstructorTaskReportTest.problem_location("test_urlname") @staticmethod def problem_location(problem_url_name): @@ -57,7 +62,7 @@ class TaskSubmitTestCase(TestCase): def _create_entry(self, task_state=QUEUING, task_output=None, student=None): """Creates a InstructorTask entry for testing.""" task_id = str(uuid4()) - progress_json = json.dumps(task_output) + progress_json = json.dumps(task_output) if task_output is not None else None task_input, task_key = encode_problem_and_student_input(self.problem_url, student) instructor_task = InstructorTaskFactory.create(course_id=TEST_COURSE_ID, @@ -73,7 +78,7 @@ class TaskSubmitTestCase(TestCase): """Creates a InstructorTask entry representing a failed task.""" # view task entry for task failure progress = {'message': TEST_FAILURE_MESSAGE, - 'exception': 'RandomCauseError', + 'exception': TEST_FAILURE_EXCEPTION, } return self._create_entry(task_state=FAILURE, task_output=progress) @@ -85,9 +90,8 @@ class TaskSubmitTestCase(TestCase): """Creates a InstructorTask entry representing a task in progress.""" progress = {'attempted': 3, 'updated': 2, - 'total': 10, + 'total': 5, 'action_name': 'rescored', - 'message': 'some random string that should summarize the other info', } return self._create_entry(task_state=task_state, task_output=progress, student=student) @@ -100,6 +104,17 @@ class TaskSubmitTestCase(TestCase): task_ids = [instructor_task.task_id for instructor_task in get_running_instructor_tasks(TEST_COURSE_ID)] self.assertEquals(set(task_ids), set(progress_task_ids)) + def test_get_instructor_task_history(self): + # when fetching historical tasks, we get all tasks, including running tasks + expected_ids = [] + for _ in range(1, 5): + expected_ids.append(self._create_failure_entry().task_id) + expected_ids.append(self._create_success_entry().task_id) + expected_ids.append(self._create_progress_entry().task_id) + task_ids = [instructor_task.task_id for instructor_task + in get_instructor_task_history(TEST_COURSE_ID, self.problem_url)] + self.assertEquals(set(task_ids), set(expected_ids)) + def _get_instructor_task_status(self, task_id): """Returns status corresponding to task_id via api method.""" request = Mock() @@ -129,23 +144,60 @@ class TaskSubmitTestCase(TestCase): self.assertEquals(output[task_id]['task_id'], task_id) def test_get_status_from_failure(self): + # get status for a task that has already failed instructor_task = self._create_failure_entry() task_id = instructor_task.task_id response = self._get_instructor_task_status(task_id) output = json.loads(response.content) + self.assertEquals(output['message'], TEST_FAILURE_MESSAGE) + self.assertEquals(output['succeeded'], False) self.assertEquals(output['task_id'], task_id) self.assertEquals(output['task_state'], FAILURE) self.assertFalse(output['in_progress']) - self.assertEquals(output['message'], TEST_FAILURE_MESSAGE) + expected_progress = {'exception': TEST_FAILURE_EXCEPTION, + 'message': TEST_FAILURE_MESSAGE} + self.assertEquals(output['task_progress'], expected_progress) def test_get_status_from_success(self): + # get status for a task that has already succeeded instructor_task = self._create_success_entry() task_id = instructor_task.task_id response = self._get_instructor_task_status(task_id) output = json.loads(response.content) + self.assertEquals(output['message'], "Problem rescored for 2 of 3 students (out of 5)") + self.assertEquals(output['succeeded'], False) self.assertEquals(output['task_id'], task_id) self.assertEquals(output['task_state'], SUCCESS) self.assertFalse(output['in_progress']) + expected_progress = {'attempted': 3, + 'updated': 2, + 'total': 5, + 'action_name': 'rescored'} + self.assertEquals(output['task_progress'], expected_progress) + + def _test_get_status_from_result(self, task_id, mock_result): + """ + Provides mock result to caller of instructor_task_status, and returns resulting output. + """ + with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: + mock_result_ctor.return_value = mock_result + response = self._get_instructor_task_status(task_id) + output = json.loads(response.content) + self.assertEquals(output['task_id'], task_id) + return output + + def test_get_status_to_pending(self): + # get status for a task that hasn't begun to run yet + instructor_task = self._create_entry() + task_id = instructor_task.task_id + mock_result = Mock() + mock_result.task_id = task_id + mock_result.state = PENDING + output = self._test_get_status_from_result(task_id, mock_result) + for key in ['message', 'succeeded', 'task_progress']: + self.assertTrue(key not in output) + self.assertEquals(output['task_state'], 'PENDING') + self.assertTrue(output['in_progress']) def test_update_progress_to_progress(self): # view task entry for task in progress @@ -158,14 +210,12 @@ class TaskSubmitTestCase(TestCase): 'updated': 4, 'total': 10, 'action_name': 'rescored'} - with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: - mock_result_ctor.return_value = mock_result - response = self._get_instructor_task_status(task_id) - output = json.loads(response.content) - self.assertEquals(output['task_id'], task_id) + output = self._test_get_status_from_result(task_id, mock_result) self.assertEquals(output['task_state'], PROGRESS) self.assertTrue(output['in_progress']) - # self.assertEquals(output['message'], ) + self.assertEquals(output['task_progress'], mock_result.result) + for key in ['message', 'succeeded']: + self.assertTrue(key not in output) def test_update_progress_to_failure(self): # view task entry for task in progress that later fails @@ -176,14 +226,15 @@ class TaskSubmitTestCase(TestCase): mock_result.state = FAILURE mock_result.result = NotImplementedError("This task later failed.") mock_result.traceback = "random traceback" - with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: - mock_result_ctor.return_value = mock_result - response = self._get_instructor_task_status(task_id) - output = json.loads(response.content) - self.assertEquals(output['task_id'], task_id) + output = self._test_get_status_from_result(task_id, mock_result) + self.assertEquals(output['message'], "This task later failed.") + self.assertEquals(output['succeeded'], False) self.assertEquals(output['task_state'], FAILURE) self.assertFalse(output['in_progress']) - self.assertEquals(output['message'], "This task later failed.") + expected_progress = {'exception': 'NotImplementedError', + 'message': "This task later failed.", + 'traceback': "random traceback"} + self.assertEquals(output['task_progress'], expected_progress) def test_update_progress_to_revoked(self): # view task entry for task in progress that later fails @@ -192,14 +243,13 @@ class TaskSubmitTestCase(TestCase): mock_result = Mock() mock_result.task_id = task_id mock_result.state = REVOKED - with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: - mock_result_ctor.return_value = mock_result - response = self._get_instructor_task_status(task_id) - output = json.loads(response.content) - self.assertEquals(output['task_id'], task_id) + output = self._test_get_status_from_result(task_id, mock_result) + self.assertEquals(output['message'], "Task revoked before running") + self.assertEquals(output['succeeded'], False) self.assertEquals(output['task_state'], REVOKED) self.assertFalse(output['in_progress']) - self.assertEquals(output['message'], "Task revoked before running") + expected_progress = {'message': "Task revoked before running"} + self.assertEquals(output['task_progress'], expected_progress) def _get_output_for_task_success(self, attempted, updated, total, student=None): """returns the task_id and the result returned by instructor_task_status().""" @@ -213,53 +263,108 @@ class TaskSubmitTestCase(TestCase): 'updated': updated, 'total': total, 'action_name': 'rescored'} - with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: - mock_result_ctor.return_value = mock_result - response = self._get_instructor_task_status(task_id) - output = json.loads(response.content) - return task_id, output + output = self._test_get_status_from_result(task_id, mock_result) + return output def test_update_progress_to_success(self): - task_id, output = self._get_output_for_task_success(10, 8, 10) - self.assertEquals(output['task_id'], task_id) + output = self._get_output_for_task_success(10, 8, 10) + self.assertEquals(output['message'], "Problem rescored for 8 of 10 students") + self.assertEquals(output['succeeded'], False) self.assertEquals(output['task_state'], SUCCESS) self.assertFalse(output['in_progress']) + expected_progress = {'attempted': 10, + 'updated': 8, + 'total': 10, + 'action_name': 'rescored'} + self.assertEquals(output['task_progress'], expected_progress) def test_success_messages(self): - _, output = self._get_output_for_task_success(0, 0, 10) - self.assertTrue("Unable to find any students with submissions to be rescored" in output['message']) + output = self._get_output_for_task_success(0, 0, 10) + self.assertEqual(output['message'], "Unable to find any students with submissions to be rescored (out of 10)") self.assertFalse(output['succeeded']) - _, output = self._get_output_for_task_success(10, 0, 10) - self.assertTrue("Problem failed to be rescored for any of 10 students" in output['message']) + output = self._get_output_for_task_success(10, 0, 10) + self.assertEqual(output['message'], "Problem failed to be rescored for any of 10 students") self.assertFalse(output['succeeded']) - _, output = self._get_output_for_task_success(10, 8, 10) - self.assertTrue("Problem rescored for 8 of 10 students" in output['message']) + output = self._get_output_for_task_success(10, 8, 10) + self.assertEqual(output['message'], "Problem rescored for 8 of 10 students") self.assertFalse(output['succeeded']) - _, output = self._get_output_for_task_success(10, 10, 10) - self.assertTrue("Problem successfully rescored for 10 students" in output['message']) + output = self._get_output_for_task_success(9, 8, 10) + self.assertEqual(output['message'], "Problem rescored for 8 of 9 students (out of 10)") + self.assertFalse(output['succeeded']) + + output = self._get_output_for_task_success(10, 10, 10) + self.assertEqual(output['message'], "Problem successfully rescored for 10 students") self.assertTrue(output['succeeded']) - _, output = self._get_output_for_task_success(0, 0, 1, student=self.student) + output = self._get_output_for_task_success(0, 0, 1, student=self.student) self.assertTrue("Unable to find submission to be rescored for student" in output['message']) self.assertFalse(output['succeeded']) - _, output = self._get_output_for_task_success(1, 0, 1, student=self.student) + output = self._get_output_for_task_success(1, 0, 1, student=self.student) self.assertTrue("Problem failed to be rescored for student" in output['message']) self.assertFalse(output['succeeded']) - _, output = self._get_output_for_task_success(1, 1, 1, student=self.student) + output = self._get_output_for_task_success(1, 1, 1, student=self.student) self.assertTrue("Problem successfully rescored for student" in output['message']) self.assertTrue(output['succeeded']) + def test_get_info_for_queuing_task(self): + # get status for a task that is still running: + instructor_task = self._create_entry() + succeeded, message = get_task_completion_info(instructor_task) + self.assertFalse(succeeded) + self.assertEquals(message, "No status information available") + + def test_get_info_for_missing_output(self): + # check for missing task_output + instructor_task = self._create_success_entry() + instructor_task.task_output = None + succeeded, message = get_task_completion_info(instructor_task) + self.assertFalse(succeeded) + self.assertEquals(message, "No status information available") + + def test_get_info_for_broken_output(self): + # check for non-JSON task_output + instructor_task = self._create_success_entry() + instructor_task.task_output = "{ bad" + succeeded, message = get_task_completion_info(instructor_task) + self.assertFalse(succeeded) + self.assertEquals(message, "No parsable status information available") + + def test_get_info_for_empty_output(self): + # check for JSON task_output with missing keys + instructor_task = self._create_success_entry() + instructor_task.task_output = "{}" + succeeded, message = get_task_completion_info(instructor_task) + self.assertFalse(succeeded) + self.assertEquals(message, "No progress status information available") + + def test_get_info_for_broken_input(self): + # check for non-JSON task_input, but then just ignore it + instructor_task = self._create_success_entry() + instructor_task.task_input = "{ bad" + succeeded, message = get_task_completion_info(instructor_task) + self.assertFalse(succeeded) + self.assertEquals(message, "Problem rescored for 2 of 3 students (out of 5)") + + +class InstructorTaskSubmitTest(InstructorTaskTestCase): + """Tests API methods that involve the submission of background tasks.""" + + def setUp(self): + self.initialize_course() + self.student = UserFactory.create(username="student", email="student@edx.org") + self.instructor = UserFactory.create(username="instructor", email="instructor@edx.org") + def test_submit_nonexistent_modules(self): # confirm that a rescore of a non-existent module returns an exception # (Note that it is easier to test a non-rescorable module in test_tasks, # where we are creating real modules. - problem_url = self.problem_url - course_id = "something else" + problem_url = InstructorTaskTestCase.problem_location("NonexistentProblem") + course_id = self.course.id request = None with self.assertRaises(ItemNotFoundError): submit_rescore_problem_for_student(request, course_id, problem_url, self.student) @@ -270,16 +375,49 @@ class TaskSubmitTestCase(TestCase): with self.assertRaises(ItemNotFoundError): submit_delete_problem_state_for_all_students(request, course_id, problem_url) -# def test_submit_when_running(self): -# # get exception when trying to submit a task that is already running -# instructor_task = self._create_progress_entry() -# problem_url = json.loads(instructor_task.task_input).get('problem_url') -# course_id = instructor_task.course_id -# # requester doesn't have to be the same when determining if a task is already running -# request = Mock() -# request.user = self.instructor -# with self.assertRaises(AlreadyRunningError): -# # just skip making the argument check, so we don't have to fake it deeper down -# with patch('instructor_task.api_helper.check_arguments_for_rescoring') as mock_check: -# mock_check.return_value = None -# submit_rescore_problem_for_all_students(request, course_id, problem_url) + def test_submit_nonrescorable_modules(self): + # confirm that a rescore of a non-existent module returns an exception + # (Note that it is easier to test a non-rescorable module in test_tasks, + # where we are creating real modules. + problem_url = self.problem_section.location.url() + course_id = self.course.id + request = None + with self.assertRaises(NotImplementedError): + submit_rescore_problem_for_student(request, course_id, problem_url, self.student) + with self.assertRaises(NotImplementedError): + submit_rescore_problem_for_all_students(request, course_id, problem_url) + + def _test_submit_task(self, task_class, student=None): + problem_url_name = 'H1P1' + self.define_option_problem(problem_url_name) + location = InstructorTaskTestCase.problem_location(problem_url_name) + if student is not None: + instructor_task = task_class(self.create_task_request(self.instructor), + self.course.id, location, student) + else: + instructor_task = task_class(self.create_task_request(self.instructor), + self.course.id, location) + + # test resubmitting, by updating the existing record: + instructor_task = InstructorTask.objects.get(id=instructor_task.id) + instructor_task.task_state = PROGRESS + instructor_task.save() + + with self.assertRaises(AlreadyRunningError): + if student is not None: + task_class(self.create_task_request(self.instructor), self.course.id, location, student) + else: + task_class(self.create_task_request(self.instructor), self.course.id, location) + + def test_submit_rescore_all(self): + self._test_submit_task(submit_rescore_problem_for_all_students) + + def test_submit_rescore_student(self): + self._test_submit_task(submit_rescore_problem_for_student, self.student) + + def test_submit_reset_all(self): + self._test_submit_task(submit_reset_problem_attempts_for_all_students) + + def test_submit_delete_all(self): + self._test_submit_task(submit_delete_problem_state_for_all_students) + diff --git a/lms/djangoapps/instructor_task/tests/test_base.py b/lms/djangoapps/instructor_task/tests/test_base.py index 572f7a0a53..cd9584460d 100644 --- a/lms/djangoapps/instructor_task/tests/test_base.py +++ b/lms/djangoapps/instructor_task/tests/test_base.py @@ -17,7 +17,7 @@ from xmodule.modulestore.django import modulestore from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase -from student.tests.factories import CourseEnrollmentFactory, UserFactory, AdminFactory +from student.tests.factories import CourseEnrollmentFactory, UserFactory from courseware.model_data import StudentModule from courseware.tests.tests import LoginEnrollmentTestCase, TEST_DATA_MONGO_MODULESTORE @@ -36,8 +36,8 @@ TEST_SECTION_NAME = "Problem" @override_settings(MODULESTORE=TEST_DATA_MONGO_MODULESTORE) class InstructorTaskTestCase(LoginEnrollmentTestCase, ModuleStoreTestCase): """ - Test that all students' answers to a problem can be rescored after the - definition of the problem has been redefined. + Base test class for InstructorTask-related tests that require + the setup of a course and problem. """ course = None current_user = None @@ -67,16 +67,14 @@ class InstructorTaskTestCase(LoginEnrollmentTestCase, ModuleStoreTestCase): def login_username(self, username): """Login the user, given the `username`.""" - self.login(InstructorTaskTestCase.get_user_email(username), "test") - self.current_user = username + if self.current_user != username: + self.login(InstructorTaskTestCase.get_user_email(username), "test") + self.current_user = username def _create_user(self, username, is_staff=False): """Creates a user and enrolls them in the test course.""" email = InstructorTaskTestCase.get_user_email(username) - if (is_staff): - AdminFactory.create(username=username, email=email) - else: - UserFactory.create(username=username, email=email) + UserFactory.create(username=username, email=email, is_staff=is_staff) thisuser = User.objects.get(username=username) CourseEnrollmentFactory.create(user=thisuser, course_id=self.course.id) return thisuser @@ -140,3 +138,12 @@ class InstructorTaskTestCase(LoginEnrollmentTestCase, ModuleStoreTestCase): response = instructor_task_status(mock_request) status = json.loads(response.content) return status + + def create_task_request(self, requester_username): + """Generate request that can be used for submitting tasks""" + request = Mock() + request.user = User.objects.get(username=requester_username) + request.get_host = Mock(return_value="testhost") + request.META = {'REMOTE_ADDR': '0:0:0:0', 'SERVER_NAME': 'testhost'} + request.is_secure = Mock(return_value=False) + return request diff --git a/lms/djangoapps/instructor_task/tests/test_integration.py b/lms/djangoapps/instructor_task/tests/test_integration.py index 4132d305e2..4574a4c4ab 100644 --- a/lms/djangoapps/instructor_task/tests/test_integration.py +++ b/lms/djangoapps/instructor_task/tests/test_integration.py @@ -7,7 +7,7 @@ paths actually work. """ import logging import json -from mock import Mock, patch +from mock import patch import textwrap from celery.states import SUCCESS, FAILURE @@ -33,6 +33,9 @@ log = logging.getLogger(__name__) class TestIntegrationTask(InstructorTaskTestCase): + """ + Base class to provide general methods used for "integration" testing of particular tasks. + """ def submit_student_answer(self, username, problem_url_name, responses): """ @@ -48,8 +51,7 @@ class TestIntegrationTask(InstructorTaskTestCase): # make sure that the requested user is logged in, so that the ajax call works # on the right problem: - if self.current_user != username: - self.login_username(username) + self.login_username(username) # make ajax call: modx_url = reverse('modx_dispatch', kwargs={'course_id': self.course.id, @@ -62,18 +64,13 @@ class TestIntegrationTask(InstructorTaskTestCase): }) return resp - def create_task_request(self, requester_username): - """Generate request that can be used for submitting tasks""" - request = Mock() - request.user = User.objects.get(username=requester_username) - request.get_host = Mock(return_value="testhost") - request.META = {'REMOTE_ADDR': '0:0:0:0', 'SERVER_NAME': 'testhost'} - request.is_secure = Mock(return_value=False) - return request - class TestRescoringTask(TestIntegrationTask): - """Test rescoring problems in a background task.""" + """ + Integration-style tests for rescoring problems in a background task. + + Exercises real problems with a minimum of patching. + """ def setUp(self): self.initialize_course() @@ -90,8 +87,7 @@ class TestRescoringTask(TestIntegrationTask): """ # make sure that the requested user is logged in, so that the ajax call works # on the right problem: - if self.current_user != username: - self.login_username(username) + self.login_username(username) # make ajax call: modx_url = reverse('modx_dispatch', kwargs={'course_id': self.course.id, @@ -109,11 +105,11 @@ class TestRescoringTask(TestIntegrationTask): Values checked include the number of attempts, the score, and the max score for a problem. """ module = self.get_student_module(username, descriptor) - self.assertEqual(module.grade, expected_score, "Scores were not equal") - self.assertEqual(module.max_grade, expected_max_score, "Max scores were not equal") + self.assertEqual(module.grade, expected_score) + self.assertEqual(module.max_grade, expected_max_score) state = json.loads(module.state) attempts = state['attempts'] - self.assertEqual(attempts, expected_attempts, "Attempts were not equal") + self.assertEqual(attempts, expected_attempts) if attempts > 0: self.assertTrue('correct_map' in state) self.assertTrue('student_answers' in state) @@ -342,7 +338,11 @@ class TestRescoringTask(TestIntegrationTask): class TestResetAttemptsTask(TestIntegrationTask): - """Test resetting problem attempts in a background task.""" + """ + Integration-style tests for resetting problem attempts in a background task. + + Exercises real problems with a minimum of patching. + """ userlist = ['u1', 'u2', 'u3', 'u4'] def setUp(self): @@ -402,7 +402,7 @@ class TestResetAttemptsTask(TestIntegrationTask): self.assertEqual(instructor_task.task_type, 'reset_problem_attempts') task_input = json.loads(instructor_task.task_input) self.assertFalse('student' in task_input) - self.assertEqual(task_input['problem_url'], TestRescoringTask.problem_location(problem_url_name)) + self.assertEqual(task_input['problem_url'], InstructorTaskTestCase.problem_location(problem_url_name)) status = json.loads(instructor_task.task_output) self.assertEqual(status['exception'], 'ZeroDivisionError') self.assertEqual(status['message'], expected_message) @@ -426,7 +426,11 @@ class TestResetAttemptsTask(TestIntegrationTask): class TestDeleteProblemTask(TestIntegrationTask): - """Test deleting problem state in a background task.""" + """ + Integration-style tests for deleting problem state in a background task. + + Exercises real problems with a minimum of patching. + """ userlist = ['u1', 'u2', 'u3', 'u4'] def setUp(self): @@ -479,7 +483,7 @@ class TestDeleteProblemTask(TestIntegrationTask): self.assertEqual(instructor_task.task_type, 'delete_problem_state') task_input = json.loads(instructor_task.task_input) self.assertFalse('student' in task_input) - self.assertEqual(task_input['problem_url'], TestRescoringTask.problem_location(problem_url_name)) + self.assertEqual(task_input['problem_url'], InstructorTaskTestCase.problem_location(problem_url_name)) status = json.loads(instructor_task.task_output) self.assertEqual(status['exception'], 'ZeroDivisionError') self.assertEqual(status['message'], expected_message) diff --git a/lms/djangoapps/instructor_task/tests/test_tasks.py b/lms/djangoapps/instructor_task/tests/test_tasks.py new file mode 100644 index 0000000000..7b90ace6db --- /dev/null +++ b/lms/djangoapps/instructor_task/tests/test_tasks.py @@ -0,0 +1,258 @@ +""" +Unit tests for LMS instructor-initiated background tasks, + +Runs tasks on answers to course problems to validate that code +paths actually work. + +""" +import logging +import json +from uuid import uuid4 + +from mock import Mock, patch + +from celery.states import SUCCESS, FAILURE + +from xmodule.modulestore.exceptions import ItemNotFoundError + +from courseware.model_data import StudentModule +from courseware.tests.factories import StudentModuleFactory +from student.tests.factories import UserFactory + +from instructor_task.models import InstructorTask +from instructor_task.tests.test_base import InstructorTaskTestCase, TEST_COURSE_ORG, TEST_COURSE_NUMBER +from instructor_task.tests.factories import InstructorTaskFactory +from instructor_task.tasks import rescore_problem, reset_problem_attempts, delete_problem_state +from instructor_task.tasks_helper import UpdateProblemModuleStateError + +log = logging.getLogger(__name__) +PROBLEM_URL_NAME = "test_urlname" + + +class TestTaskFailure(Exception): + pass + + +class TestInstructorTasks(InstructorTaskTestCase): + def setUp(self): + super(InstructorTaskTestCase, self).setUp() + self.initialize_course() + self.instructor = self.create_instructor('instructor') + self.problem_url = InstructorTaskTestCase.problem_location(PROBLEM_URL_NAME) + + def _create_input_entry(self, student_ident=None): + """Creates a InstructorTask entry for testing.""" + task_id = str(uuid4()) + task_input = {'problem_url': self.problem_url} + if student_ident is not None: + task_input['student'] = student_ident + + instructor_task = InstructorTaskFactory.create(course_id=self.course.id, + requester=self.instructor, + task_input=json.dumps(task_input), + task_key='dummy value', + task_id=task_id) + return instructor_task + + def _get_xmodule_instance_args(self): + """ + Calculate dummy values for parameters needed for instantiating xmodule instances. + """ + return {'xqueue_callback_url_prefix': 'dummy_value', + 'request_info': {}, + } + + def _run_task_with_mock_celery(self, task_class, entry_id, task_id, expected_failure_message=None): + self.current_task = Mock() + self.current_task.request = Mock() + self.current_task.request.id = task_id + self.current_task.update_state = Mock() + if expected_failure_message is not None: + self.current_task.update_state.side_effect = TestTaskFailure(expected_failure_message) + with patch('instructor_task.tasks_helper._get_current_task') as mock_get_task: + mock_get_task.return_value = self.current_task + return task_class(entry_id, self._get_xmodule_instance_args()) + + def test_missing_current_task(self): + # run without (mock) Celery running + task_entry = self._create_input_entry() + with self.assertRaises(UpdateProblemModuleStateError): + reset_problem_attempts(task_entry.id, self._get_xmodule_instance_args()) + + def test_undefined_problem(self): + # run with celery, but no problem defined + task_entry = self._create_input_entry() + with self.assertRaises(ItemNotFoundError): + self._run_task_with_mock_celery(reset_problem_attempts, task_entry.id, task_entry.task_id) + + def _assert_return_matches_entry(self, returned, entry_id): + entry = InstructorTask.objects.get(id=entry_id) + self.assertEquals(returned, json.loads(entry.task_output)) + + def _test_run_with_task(self, task_class, action_name, expected_num_updated): + # run with some StudentModules for the problem + task_entry = self._create_input_entry() + status = self._run_task_with_mock_celery(task_class, task_entry.id, task_entry.task_id) + # check return value + self.assertEquals(status.get('attempted'), expected_num_updated) + self.assertEquals(status.get('updated'), expected_num_updated) + self.assertEquals(status.get('total'), expected_num_updated) + self.assertEquals(status.get('action_name'), action_name) + self.assertTrue('duration_ms' in status) + # compare with entry in table: + entry = InstructorTask.objects.get(id=task_entry.id) + self.assertEquals(json.loads(entry.task_output), status) + self.assertEquals(entry.task_state, SUCCESS) + + def _test_run_with_no_state(self, task_class, action_name): + # run with no StudentModules for the problem + self.define_option_problem(PROBLEM_URL_NAME) + self._test_run_with_task(task_class, action_name, 0) + + def test_rescore_with_no_state(self): + self._test_run_with_no_state(rescore_problem, 'rescored') + + def test_reset_with_no_state(self): + self._test_run_with_no_state(reset_problem_attempts, 'reset') + + def test_delete_with_no_state(self): + self._test_run_with_no_state(delete_problem_state, 'deleted') + + def _create_some_students(self, num_students, state=None): + self.define_option_problem(PROBLEM_URL_NAME) + students = [ + UserFactory.create(username='robot%d' % i, email='robot+test+%d@edx.org' % i) + for i in xrange(num_students) + ] + for student in students: + StudentModuleFactory.create(course_id=self.course.id, + module_state_key=self.problem_url, + student=student, + state=state) + return students + + def test_reset_with_some_state(self): + initial_attempts = 3 + input_state = json.dumps({'attempts': initial_attempts}) + num_students = 10 + students = self._create_some_students(num_students, input_state) + # check that entries were set correctly + for student in students: + module = StudentModule.objects.get(course_id=self.course.id, + student=student, + module_state_key=self.problem_url) + state = json.loads(module.state) + self.assertEquals(state['attempts'], initial_attempts) + # run the task + self._test_run_with_task(reset_problem_attempts, 'reset', num_students) + # check that entries were reset + for student in students: + module = StudentModule.objects.get(course_id=self.course.id, + student=student, + module_state_key=self.problem_url) + state = json.loads(module.state) + self.assertEquals(state['attempts'], 0) + + def test_delete_with_some_state(self): + # This will create StudentModule entries -- we don't have to worry about + # the state inside them. + num_students = 10 + students = self._create_some_students(num_students) + # check that entries were created correctly + for student in students: + StudentModule.objects.get(course_id=self.course.id, + student=student, + module_state_key=self.problem_url) + self._test_run_with_task(delete_problem_state, 'deleted', num_students) + # confirm that no state can be found anymore: + for student in students: + with self.assertRaises(StudentModule.DoesNotExist): + StudentModule.objects.get(course_id=self.course.id, + student=student, + module_state_key=self.problem_url) + + def _test_reset_with_student(self, use_email): + # run with some StudentModules for the problem + num_students = 10 + initial_attempts = 3 + input_state = json.dumps({'attempts': initial_attempts}) + students = self._create_some_students(num_students, input_state) + # check that entries were set correctly + for student in students: + module = StudentModule.objects.get(course_id=self.course.id, + student=student, + module_state_key=self.problem_url) + state = json.loads(module.state) + self.assertEquals(state['attempts'], initial_attempts) + + if use_email: + student_ident = students[3].email + else: + student_ident = students[3].username + task_entry = self._create_input_entry(student_ident) + + status = self._run_task_with_mock_celery(reset_problem_attempts, task_entry.id, task_entry.task_id) + # check return value + self.assertEquals(status.get('attempted'), 1) + self.assertEquals(status.get('updated'), 1) + self.assertEquals(status.get('total'), 1) + self.assertEquals(status.get('action_name'), 'reset') + self.assertTrue('duration_ms' in status) + # compare with entry in table: + entry = InstructorTask.objects.get(id=task_entry.id) + self.assertEquals(json.loads(entry.task_output), status) + self.assertEquals(entry.task_state, SUCCESS) + # TODO: check that entries were reset + + def test_reset_with_student_username(self): + self._test_reset_with_student(False) + + def test_reset_with_student_email(self): + self._test_reset_with_student(True) + + def _test_run_with_failure(self, task_class, expected_message): + # run with no StudentModules for the problem, + # because we will fail before entering the loop. + task_entry = self._create_input_entry() + self.define_option_problem(PROBLEM_URL_NAME) + try: + self._run_task_with_mock_celery(task_class, task_entry.id, task_entry.task_id, expected_message) + except TestTaskFailure: + pass + # compare with entry in table: + entry = InstructorTask.objects.get(id=task_entry.id) + self.assertEquals(entry.task_state, FAILURE) + output = json.loads(entry.task_output) + self.assertEquals(output['exception'], 'TestTaskFailure') + self.assertEquals(output['message'], expected_message) + + def test_rescore_with_failure(self): + self._test_run_with_failure(rescore_problem, 'We expected this to fail') + + def test_reset_with_failure(self): + self._test_run_with_failure(reset_problem_attempts, 'We expected this to fail') + + def test_delete_with_failure(self): + self._test_run_with_failure(delete_problem_state, 'We expected this to fail') + + def _test_run_with_long_error_msg(self, task_class): + # run with no StudentModules for the problem + task_entry = self._create_input_entry() + self.define_option_problem(PROBLEM_URL_NAME) + expected_message = "x" * 1500 + try: + self._run_task_with_mock_celery(task_class, task_entry.id, task_entry.task_id, expected_message) + except TestTaskFailure: + pass + # compare with entry in table: + entry = InstructorTask.objects.get(id=task_entry.id) + self.assertEquals(entry.task_state, FAILURE) + # TODO: on MySQL this will actually fail, because it was truncated + # when it was persisted. It does not fail on SqlLite3 at the moment, + # because it doesn't actually enforce length limits! + output = json.loads(entry.task_output) + self.assertEquals(output['exception'], 'TestTaskFailure') + self.assertEquals(output['message'], expected_message) + + def test_rescore_with_long_error_msg(self): + self._test_run_with_long_error_msg(rescore_problem) diff --git a/lms/djangoapps/instructor_task/views.py b/lms/djangoapps/instructor_task/views.py index c5970645ff..6e49dc1421 100644 --- a/lms/djangoapps/instructor_task/views.py +++ b/lms/djangoapps/instructor_task/views.py @@ -32,7 +32,8 @@ def instructor_task_status(request): Task_id values that are unrecognized are skipped. The dict with status information for a task contains the following keys: - 'message': status message reporting on progress, or providing exception message if failed. + 'message': on complete tasks, status message reporting on final progress, + or providing exception message if failed. 'succeeded': on complete tasks, indicates if the task outcome was successful: did it achieve what it set out to do. This is in contrast with a successful task_state, which indicates that the @@ -96,25 +97,44 @@ def get_task_completion_info(instructor_task): """ succeeded = False + # if still in progress, then we assume there is no completion info to provide: + if instructor_task.task_state not in READY_STATES: + return (succeeded, "No status information available") + + # we're more surprised if there is no output for a completed task, but just warn: if instructor_task.task_output is None: log.warning("No task_output information found for instructor_task {0}".format(instructor_task.task_id)) return (succeeded, "No status information available") - task_output = json.loads(instructor_task.task_output) + try: + task_output = json.loads(instructor_task.task_output) + except ValueError: + fmt = "No parsable task_output information found for instructor_task {0}: {1}" + log.warning(fmt.format(instructor_task.task_id, instructor_task.task_output)) + return (succeeded, "No parsable status information available") + if instructor_task.task_state in [FAILURE, REVOKED]: - return(succeeded, task_output['message']) + return (succeeded, task_output.get('message', 'No message provided')) - action_name = task_output['action_name'] - num_attempted = task_output['attempted'] - num_updated = task_output['updated'] - num_total = task_output['total'] + if any([key not in task_output for key in ['action_name', 'attempted', 'updated', 'total']]): + fmt = "Invalid task_output information found for instructor_task {0}: {1}" + log.warning(fmt.format(instructor_task.task_id, instructor_task.task_output)) + return (succeeded, "No progress status information available") + + action_name = task_output.get('action_name') + num_attempted = task_output.get('attempted') + num_updated = task_output.get('updated') + num_total = task_output.get('total') + + student = None + try: + task_input = json.loads(instructor_task.task_input) + except ValueError: + fmt = "No parsable task_input information found for instructor_task {0}: {1}" + log.warning(fmt.format(instructor_task.task_id, instructor_task.task_input)) + else: + student = task_input.get('student') - if instructor_task.task_input is None: - log.warning("No task_input information found for instructor_task {0}".format(instructor_task.task_id)) - return (succeeded, "No status information available") - task_input = json.loads(instructor_task.task_input) - problem_url = task_input.get('problem_url') - student = task_input.get('student') if student is not None: if num_attempted == 0: msg_format = "Unable to find submission to be {action} for student '{student}'" @@ -133,10 +153,11 @@ def get_task_completion_info(instructor_task): else: # num_updated < num_attempted msg_format = "Problem {action} for {updated} of {attempted} students" - if student is not None and num_attempted != num_total: + if student is None and num_attempted != num_total: msg_format += " (out of {total})" # Update status in task result object itself: - message = msg_format.format(action=action_name, updated=num_updated, attempted=num_attempted, total=num_total, - student=student, problem=problem_url) + message = msg_format.format(action=action_name, updated=num_updated, + attempted=num_attempted, total=num_total, + student=student) return (succeeded, message) diff --git a/lms/envs/test.py b/lms/envs/test.py index 5342d81a4e..3ccfa24014 100644 --- a/lms/envs/test.py +++ b/lms/envs/test.py @@ -188,4 +188,3 @@ PASSWORD_HASHERS = ( 'django.contrib.auth.hashers.MD5PasswordHasher', # 'django.contrib.auth.hashers.CryptPasswordHasher', ) - From eb1fe899e89ffe0f94b4dee6898d86fb0f81028f Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Fri, 14 Jun 2013 18:43:04 -0400 Subject: [PATCH 39/51] Fix progress reporting. --- lms/djangoapps/instructor/views.py | 17 ++++----- .../instructor_task/tasks_helper.py | 37 ++++++++++++------- .../instructor_task/tests/test_api.py | 4 +- lms/djangoapps/instructor_task/views.py | 23 ++++++++---- .../courseware/instructor_dashboard.html | 21 +++++------ 5 files changed, 57 insertions(+), 45 deletions(-) diff --git a/lms/djangoapps/instructor/views.py b/lms/djangoapps/instructor/views.py index 0f9c7e9593..e9fff63698 100644 --- a/lms/djangoapps/instructor/views.py +++ b/lms/djangoapps/instructor/views.py @@ -39,8 +39,7 @@ from instructor_task.api import (get_running_instructor_tasks, get_instructor_task_history, submit_rescore_problem_for_all_students, submit_rescore_problem_for_student, - submit_reset_problem_attempts_for_all_students, - submit_delete_problem_state_for_all_students) + submit_reset_problem_attempts_for_all_students) from instructor_task.views import get_task_completion_info from mitxmako.shortcuts import render_to_response from psychometrics import psychoanalyze @@ -1138,7 +1137,7 @@ def _do_unenroll_students(course_id, students): """Do the actual work of un-enrolling multiple students, presented as a string of emails separated by commas or returns""" - old_students, old_students_lc = get_and_clean_student_list(students) + old_students, _ = get_and_clean_student_list(students) status = dict([x, 'unprocessed'] for x in old_students) for student in old_students: @@ -1162,7 +1161,7 @@ def _do_unenroll_students(course_id, students): try: ce[0].delete() status[student] = "un-enrolled" - except Exception as err: + except Exception: if not isok: status[student] = "Error! Failed to un-enroll" @@ -1319,7 +1318,7 @@ def get_background_task_table(course_id, problem_url, student=None): "Task Id", "Requester", "Submitted", - "Duration (ms)", + "Duration (sec)", "Task State", "Task Status", "Task Output"] @@ -1327,11 +1326,11 @@ def get_background_task_table(course_id, problem_url, student=None): datatable['data'] = [] for instructor_task in history_entries: # get duration info, if known: - duration_ms = 'unknown' - if hasattr(instructor_task, 'task_output'): + duration_sec = 'unknown' + if hasattr(instructor_task, 'task_output') and instructor_task.task_output is not None: task_output = json.loads(instructor_task.task_output) if 'duration_ms' in task_output: - duration_ms = task_output['duration_ms'] + duration_sec = int(task_output['duration_ms'] / 1000.0) # get progress status message: success, task_message = get_task_completion_info(instructor_task) status = "Complete" if success else "Incomplete" @@ -1340,7 +1339,7 @@ def get_background_task_table(course_id, problem_url, student=None): str(instructor_task.task_id), str(instructor_task.requester), instructor_task.created.isoformat(' '), - duration_ms, + duration_sec, str(instructor_task.task_state), status, task_message] diff --git a/lms/djangoapps/instructor_task/tasks_helper.py b/lms/djangoapps/instructor_task/tasks_helper.py index 9776c7336d..62ef6296b6 100644 --- a/lms/djangoapps/instructor_task/tasks_helper.py +++ b/lms/djangoapps/instructor_task/tasks_helper.py @@ -13,6 +13,7 @@ from traceback import format_exc from celery import current_task from celery.utils.log import get_task_logger +from celery.signals import worker_process_init from celery.states import SUCCESS, FAILURE from django.contrib.auth.models import User @@ -39,6 +40,26 @@ PROGRESS = 'PROGRESS' UNKNOWN_TASK_ID = 'unknown-task_id' +def initialize_mako(sender=None, conf=None, **kwargs): + """ + Get mako templates to work on celery worker server's worker thread. + + The initialization of Mako templating is usually done when Django is + initializing middleware packages as part of processing a server request. + When this is run on a celery worker server, no such initialization is + called. + + To make sure that we don't load this twice (just in case), we look for the + result: the defining of the lookup paths for templates. + """ + if 'main' not in middleware.lookup: + TASK_LOG.info("Initializing Mako middleware explicitly") + middleware.MakoMiddleware() + +# Actually make the call to define the hook: +worker_process_init.connect(initialize_mako) + + class UpdateProblemModuleStateError(Exception): """ Error signaling a fatal condition while updating problem modules. @@ -90,17 +111,6 @@ def _perform_module_state_update(course_id, module_state_key, student_identifier # get start time for task: start_time = time() - # Hack to get mako templates to work on celery worker server's worker thread. - # The initialization of Mako templating is usually done when Django is - # initializing middleware packages as part of processing a server request. - # When this is run on a celery worker server, no such initialization is - # called. Using @worker_ready.connect doesn't run in the right container. - # So we look for the result: the defining of the lookup paths - # for templates. - if 'main' not in middleware.lookup: - TASK_LOG.debug("Initializing Mako middleware explicitly") - middleware.MakoMiddleware() - # find the problem descriptor: module_descriptor = modulestore().get_instance(course_id, module_state_key) @@ -147,7 +157,7 @@ def _perform_module_state_update(course_id, module_state_key, student_identifier num_attempted += 1 # There is no try here: if there's an error, we let it throw, and the task will # be marked as FAILED, with a stack trace. - with dog_stats_api.timer('instructor_tasks.module.{0}.time'.format(action_name)): + with dog_stats_api.timer('instructor_tasks.module.time.step', tags=['action:{name}'.format(name=action_name)]): if update_fcn(module_descriptor, module_to_update, xmodule_instance_args): # If the update_fcn returns true, then it performed some kind of work. # Logging of failures is left to the update_fcn itself. @@ -232,7 +242,7 @@ def update_problem_module_state(entry_id, update_fcn, action_name, filter_fcn, raise UpdateProblemModuleStateError(message) # now do the work: - with dog_stats_api.timer('instructor_tasks.module.{0}.overall_time'.format(action_name)): + with dog_stats_api.timer('instructor_tasks.module.time.overall', tags=['action:{name}'.format(name=action_name)]): task_progress = _perform_module_state_update(course_id, module_state_key, student_ident, update_fcn, action_name, filter_fcn, xmodule_instance_args) except Exception: @@ -316,7 +326,6 @@ def rescore_problem_module_state(module_descriptor, student_module, xmodule_inst course_id = student_module.course_id student = student_module.student module_state_key = student_module.module_state_key - instance = _get_module_instance_for_task(course_id, student, module_descriptor, xmodule_instance_args, grade_bucket_type='rescore') if instance is None: diff --git a/lms/djangoapps/instructor_task/tests/test_api.py b/lms/djangoapps/instructor_task/tests/test_api.py index c1b87865b7..9458a27498 100644 --- a/lms/djangoapps/instructor_task/tests/test_api.py +++ b/lms/djangoapps/instructor_task/tests/test_api.py @@ -211,11 +211,11 @@ class InstructorTaskReportTest(TestCase): 'total': 10, 'action_name': 'rescored'} output = self._test_get_status_from_result(task_id, mock_result) + self.assertEquals(output['message'], "Progress: rescored 4 of 5 so far (out of 10)") + self.assertEquals(output['succeeded'], False) self.assertEquals(output['task_state'], PROGRESS) self.assertTrue(output['in_progress']) self.assertEquals(output['task_progress'], mock_result.result) - for key in ['message', 'succeeded']: - self.assertTrue(key not in output) def test_update_progress_to_failure(self): # view task entry for task in progress that later fails diff --git a/lms/djangoapps/instructor_task/views.py b/lms/djangoapps/instructor_task/views.py index 6e49dc1421..77fb09096e 100644 --- a/lms/djangoapps/instructor_task/views.py +++ b/lms/djangoapps/instructor_task/views.py @@ -8,10 +8,14 @@ from celery.states import FAILURE, REVOKED, READY_STATES from instructor_task.api_helper import (get_status_from_instructor_task, get_updated_instructor_task) +from instructor_task.tasks_helper import PROGRESS log = logging.getLogger(__name__) +# return status for completed tasks and tasks in progress +STATES_WITH_STATUS = [state for state in READY_STATES] + [PROGRESS] + def instructor_task_status(request): """ @@ -32,10 +36,11 @@ def instructor_task_status(request): Task_id values that are unrecognized are skipped. The dict with status information for a task contains the following keys: - 'message': on complete tasks, status message reporting on final progress, - or providing exception message if failed. - 'succeeded': on complete tasks, indicates if the task outcome was successful: - did it achieve what it set out to do. + 'message': on complete tasks, status message reporting on final progress, + or providing exception message if failed. For tasks in progress, + indicates the current progress. + 'succeeded': on complete tasks or tasks in progress, indicates if the + task outcome was successful: did it achieve what it set out to do. This is in contrast with a successful task_state, which indicates that the task merely completed. 'task_id': id assigned by LMS and used by celery. @@ -62,7 +67,7 @@ def instructor_task_status(request): """ instructor_task = get_updated_instructor_task(task_id) status = get_status_from_instructor_task(instructor_task) - if instructor_task.task_state in READY_STATES: + if instructor_task.task_state in STATES_WITH_STATUS: succeeded, message = get_task_completion_info(instructor_task) status['message'] = message status['succeeded'] = succeeded @@ -97,8 +102,7 @@ def get_task_completion_info(instructor_task): """ succeeded = False - # if still in progress, then we assume there is no completion info to provide: - if instructor_task.task_state not in READY_STATES: + if instructor_task.task_state not in STATES_WITH_STATUS: return (succeeded, "No status information available") # we're more surprised if there is no output for a completed task, but just warn: @@ -135,7 +139,10 @@ def get_task_completion_info(instructor_task): else: student = task_input.get('student') - if student is not None: + if instructor_task.task_state == PROGRESS: + # special message for providing progress updates: + msg_format = "Progress: {action} {updated} of {attempted} so far" + elif student is not None: if num_attempted == 0: msg_format = "Unable to find submission to be {action} for student '{student}'" elif num_updated == 0: diff --git a/lms/templates/courseware/instructor_dashboard.html b/lms/templates/courseware/instructor_dashboard.html index 4c9b4200a2..ea78cca791 100644 --- a/lms/templates/courseware/instructor_dashboard.html +++ b/lms/templates/courseware/instructor_dashboard.html @@ -26,14 +26,6 @@ this.InstructorTaskProgress = (function() { - // Hardcode the refresh interval to be every five seconds. - // TODO: allow the refresh interval to be set. (And if it is disabled, - // then don't set the timeout at all.) - var refresh_interval = 5000; - - // Hardcode the initial delay before the first refresh to two seconds: - var initial_refresh_delay = 2000; - function InstructorTaskProgress(element) { this.update_progress = __bind(this.update_progress, this); this.get_status = __bind(this.get_status, this); @@ -42,7 +34,8 @@ if (window.queuePollerID) { window.clearTimeout(window.queuePollerID); } - window.queuePollerID = window.setTimeout(this.get_status, this.initial_refresh_delay); + // Hardcode the initial delay before the first refresh to one second: + window.queuePollerID = window.setTimeout(this.get_status, 1000); } InstructorTaskProgress.prototype.$ = function(selector) { @@ -60,7 +53,8 @@ // find the corresponding entry, and update it: entry = $(_this.element).find('[data-task-id="' + task_id + '"]'); entry.find('.task-state').text(task_dict.task_state) - var duration_value = (task_dict.task_progress && task_dict.task_progress.duration_ms) || 'unknown'; + var duration_value = (task_dict.task_progress && task_dict.task_progress.duration_ms + && Math.round(task_dict.task_progress.duration_ms/1000)) || 'unknown'; entry.find('.task-duration').text(duration_value); var progress_value = task_dict.message || ''; entry.find('.task-progress').text(progress_value); @@ -74,8 +68,11 @@ } // if some entries are still incomplete, then repoll: + // Hardcode the refresh interval to be every five seconds. + // TODO: allow the refresh interval to be set. (And if it is disabled, + // then don't set the timeout at all.) if (something_in_progress) { - window.queuePollerID = window.setTimeout(_this.get_status, _this.refresh_interval); + window.queuePollerID = window.setTimeout(_this.get_status, 5000); } else { delete window.queuePollerID; } @@ -741,7 +738,7 @@ function goto( mode) - + %for tasknum, instructor_task in enumerate(instructor_tasks): From a8c3e91051bf8ea721018527bba3f0e5544372a4 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Mon, 17 Jun 2013 02:19:05 -0400 Subject: [PATCH 40/51] Handle failure task_output that won't fit in the model column. --- common/lib/capa/capa/capa_problem.py | 24 ++--- .../lib/capa/capa/tests/test_responsetypes.py | 1 - common/lib/xmodule/xmodule/capa_module.py | 8 +- lms/djangoapps/instructor_task/api_helper.py | 41 +++----- lms/djangoapps/instructor_task/models.py | 94 ++++++++++++++++++- lms/djangoapps/instructor_task/tasks.py | 29 +++--- .../instructor_task/tasks_helper.py | 30 ++---- .../instructor_task/tests/test_api.py | 35 +++++-- .../instructor_task/tests/test_tasks.py | 57 +++++++++-- lms/djangoapps/instructor_task/views.py | 2 +- 10 files changed, 216 insertions(+), 105 deletions(-) diff --git a/common/lib/capa/capa/capa_problem.py b/common/lib/capa/capa/capa_problem.py index 5558b571e3..2a9f3d82a3 100644 --- a/common/lib/capa/capa/capa_problem.py +++ b/common/lib/capa/capa/capa_problem.py @@ -22,10 +22,10 @@ from lxml import etree from xml.sax.saxutils import unescape from copy import deepcopy -from .correctmap import CorrectMap +from capa.correctmap import CorrectMap import capa.inputtypes as inputtypes import capa.customrender as customrender -from .util import contextualize_text, convert_files_to_filenames +from capa.util import contextualize_text, convert_files_to_filenames import capa.xqueue_interface as xqueue_interface # to be replaced with auto-registering @@ -43,8 +43,8 @@ response_properties = ["codeparam", "responseparam", "answer", "openendedparam"] # special problem tags which should be turned into innocuous HTML html_transforms = {'problem': {'tag': 'div'}, - "text": {'tag': 'span'}, - "math": {'tag': 'span'}, + 'text': {'tag': 'span'}, + 'math': {'tag': 'span'}, } # These should be removed from HTML output, including all subelements @@ -284,20 +284,15 @@ class LoncapaProblem(object): permits rescoring to be complete when the rescoring call returns. """ return all('filesubmission' not in responder.allowed_inputfields for responder in self.responders.values()) -# for responder in self.responders.values(): -# if 'filesubmission' in responder.allowed_inputfields: -# return False -# -# return True def rescore_existing_answers(self): - ''' + """ Rescore student responses. Called by capa_module.rescore_problem. - ''' + """ return self._grade_answers(None) def _grade_answers(self, student_answers): - ''' + """ Internal grading call used for checking new 'student_answers' and also rescoring existing student_answers. @@ -309,13 +304,13 @@ class LoncapaProblem(object): For rescoring, `student_answers` is None. Calls the Response for each question in this problem, to do the actual grading. - ''' + """ # old CorrectMap oldcmap = self.correct_map # start new with empty CorrectMap newcmap = CorrectMap() - # log.debug('Responders: %s' % self.responders) + # Call each responsetype instance to do actual grading for responder in self.responders.values(): # File objects are passed only if responsetype explicitly allows @@ -335,7 +330,6 @@ class LoncapaProblem(object): newcmap.update(results) self.correct_map = newcmap - # log.debug('%s: in grade_answers, student_answers=%s, cmap=%s' % (self,student_answers,newcmap)) return newcmap def get_question_answers(self): diff --git a/common/lib/capa/capa/tests/test_responsetypes.py b/common/lib/capa/capa/tests/test_responsetypes.py index 0bd7b70aed..68be54b6af 100644 --- a/common/lib/capa/capa/tests/test_responsetypes.py +++ b/common/lib/capa/capa/tests/test_responsetypes.py @@ -662,7 +662,6 @@ class StringResponseTest(ResponseTest): ) correct_map = problem.grade_answers({'1_2_1': '2'}) hint = correct_map.get_hint('1_2_1') -# rand = random.Random(problem.seed) self.assertEqual(hint, self._get_random_number_result(problem.seed)) diff --git a/common/lib/xmodule/xmodule/capa_module.py b/common/lib/xmodule/xmodule/capa_module.py index f2c4a799de..4cc8cb5cc8 100644 --- a/common/lib/xmodule/xmodule/capa_module.py +++ b/common/lib/xmodule/xmodule/capa_module.py @@ -828,9 +828,7 @@ class CapaModule(CapaFields, XModule): Returns the error messages for exceptions occurring while performing the rescoring, rather than throwing them. """ - event_info = dict() - event_info['state'] = self.lcp.get_state() - event_info['problem_id'] = self.location.url() + event_info = {'state': self.lcp.get_state(), 'problem_id': self.location.url()} if not self.lcp.supports_rescoring(): event_info['failure'] = 'unsupported' @@ -851,8 +849,8 @@ class CapaModule(CapaFields, XModule): correct_map = self.lcp.rescore_existing_answers() except (StudentInputError, ResponseError, LoncapaProblemError) as inst: - log.warning("StudentInputError in capa_module:problem_rescore", exc_info=True) - event_info['failure'] = 'student_input_error' + log.warning("Input error in capa_module:problem_rescore", exc_info=True) + event_info['failure'] = 'input_error' self.system.track_function('problem_rescore_fail', event_info) return {'success': "Error: {0}".format(inst.message)} diff --git a/lms/djangoapps/instructor_task/api_helper.py b/lms/djangoapps/instructor_task/api_helper.py index 800c493cf6..b34364bc00 100644 --- a/lms/djangoapps/instructor_task/api_helper.py +++ b/lms/djangoapps/instructor_task/api_helper.py @@ -1,7 +1,6 @@ import hashlib import json import logging -from uuid import uuid4 from django.db import transaction @@ -11,16 +10,14 @@ from celery.states import READY_STATES, SUCCESS, FAILURE, REVOKED from courseware.module_render import get_xqueue_callback_url_prefix from xmodule.modulestore.django import modulestore -from instructor_task.models import InstructorTask -from instructor_task.tasks_helper import PROGRESS +from instructor_task.models import InstructorTask, PROGRESS + log = logging.getLogger(__name__) -# define a "state" used in InstructorTask -QUEUING = 'QUEUING' - class AlreadyRunningError(Exception): + """Exception indicating that a background task is already running""" pass @@ -60,20 +57,8 @@ def _reserve_task(course_id, task_type, task_key, task_input, requester): if _task_is_running(course_id, task_type, task_key): raise AlreadyRunningError("requested task is already running") - # create the task_id here, and pass it into celery: - task_id = str(uuid4()) - - # Create log entry now, so that future requests won't - tasklog_args = {'course_id': course_id, - 'task_type': task_type, - 'task_id': task_id, - 'task_key': task_key, - 'task_input': json.dumps(task_input), - 'task_state': 'QUEUING', - 'requester': requester} - - instructor_task = InstructorTask.objects.create(**tasklog_args) - return instructor_task + # Create log entry now, so that future requests will know it's running. + return InstructorTask.create(course_id, task_type, task_key, task_input, requester) def _get_xmodule_instance_args(request): @@ -128,37 +113,33 @@ def _update_instructor_task(instructor_task, task_result): # Assume we don't always update the InstructorTask entry if we don't have to: entry_needs_saving = False - task_progress = None + task_output = None if result_state in [PROGRESS, SUCCESS]: # construct a status message directly from the task result's result: # it needs to go back with the entry passed in. log.info("background task (%s), state %s: result: %s", task_id, result_state, returned_result) - task_progress = returned_result + task_output = InstructorTask.create_output_for_success(returned_result) elif result_state == FAILURE: # on failure, the result's result contains the exception that caused the failure exception = returned_result traceback = result_traceback if result_traceback is not None else '' - task_progress = {'exception': type(exception).__name__, 'message': str(exception.message)} log.warning("background task (%s) failed: %s %s", task_id, returned_result, traceback) - if result_traceback is not None: - # truncate any traceback that goes into the InstructorTask model: - task_progress['traceback'] = result_traceback[:700] - + task_output = InstructorTask.create_output_for_failure(exception, result_traceback) elif result_state == REVOKED: # on revocation, the result's result doesn't contain anything # but we cannot rely on the worker thread to set this status, # so we set it here. entry_needs_saving = True log.warning("background task (%s) revoked.", task_id) - task_progress = {'message': 'Task revoked before running'} + task_output = InstructorTask.create_output_for_revoked() # save progress and state into the entry, even if it's not being saved: # when celery is run in "ALWAYS_EAGER" mode, progress needs to go back # with the entry passed in. instructor_task.task_state = result_state - if task_progress is not None: - instructor_task.task_output = json.dumps(task_progress) + if task_output is not None: + instructor_task.task_output = task_output if entry_needs_saving: instructor_task.save() diff --git a/lms/djangoapps/instructor_task/models.py b/lms/djangoapps/instructor_task/models.py index 4f70615450..255b376f02 100644 --- a/lms/djangoapps/instructor_task/models.py +++ b/lms/djangoapps/instructor_task/models.py @@ -5,15 +5,23 @@ If you make changes to this model, be sure to create an appropriate migration file and check it in at the same time as your model changes. To do that, 1. Go to the edx-platform dir -2. ./manage.py schemamigration courseware --auto description_of_your_change - 3. Add the migration file created in edx-platform/lms/djangoapps/instructor_task/migrations/ +2. ./manage.py schemamigration instructor_task --auto description_of_your_change +3. Add the migration file created in edx-platform/lms/djangoapps/instructor_task/migrations/ ASSUMPTIONS: modules have unique IDs, even across different module_types """ +from uuid import uuid4 +import json + from django.contrib.auth.models import User -from django.db import models +from django.db import models, transaction + + +# define custom states used by InstructorTask +QUEUING = 'QUEUING' +PROGRESS = 'PROGRESS' class InstructorTask(models.Model): @@ -24,10 +32,10 @@ class InstructorTask(models.Model): `task_type` identifies the kind of task being performed, e.g. rescoring. `course_id` uses the course run's unique id to identify the course. - `task_input` stores input arguments as JSON-serialized dict, for reporting purposes. - Examples include url of problem being rescored, id of student if only one student being rescored. `task_key` stores relevant input arguments encoded into key value for testing to see if the task is already running (together with task_type and course_id). + `task_input` stores input arguments as JSON-serialized dict, for reporting purposes. + Examples include url of problem being rescored, id of student if only one student being rescored. `task_id` stores the id used by celery for the background task. `task_state` stores the last known state of the celery task @@ -61,3 +69,79 @@ class InstructorTask(models.Model): def __unicode__(self): return unicode(repr(self)) + + @classmethod + def create(cls, course_id, task_type, task_key, task_input, requester): + # create the task_id here, and pass it into celery: + task_id = str(uuid4()) + + json_task_input = json.dumps(task_input) + + # check length of task_input, and return an exception if it's too long: + if len(json_task_input) > 255: + fmt = 'Task input longer than 255: "{input}" for "{task}" of "{course}"' + msg = fmt.format(input=json_task_input, task=task_type, course=course_id) + raise ValueError(msg) + + # create the task, then save it: + instructor_task = cls(course_id=course_id, + task_type=task_type, + task_id=task_id, + task_key=task_key, + task_input=json_task_input, + task_state=QUEUING, + requester=requester) + instructor_task.save() + + return instructor_task + + @transaction.autocommit + def save_now(self): + """Writes InstructorTask immediately, ensuring the transaction is committed.""" + self.save() + + @staticmethod + def create_output_for_success(returned_result): + """Converts successful result to output format""" + json_output = json.dumps(returned_result) + return json_output + + @staticmethod + def create_output_for_failure(exception, traceback_string): + """ + Converts failed result inofrmation to output format. + + Traceback information is truncated or not included if it would result in an output string + that would not fit in the database. If the output is still too long, then the + exception message is also truncated. + + Truncation is indicated by adding "..." to the end of the value. + """ + task_progress = {'exception': type(exception).__name__, 'message': str(exception.message)} + if traceback_string is not None: + # truncate any traceback that goes into the InstructorTask model: + task_progress['traceback'] = traceback_string + json_output = json.dumps(task_progress) + # if the resulting output is too long, then first shorten the + # traceback, and then the message, until it fits. + too_long = len(json_output) - 1023 + if too_long > 0: + if traceback_string is not None: + if too_long >= len(traceback_string) - len('...'): + # remove the traceback entry entirely (so no key or value) + del task_progress['traceback'] + too_long -= (len(traceback_string) + len('traceback')) + else: + # truncate the traceback: + task_progress['traceback'] = traceback_string[:-(too_long + 3)] + "..." + too_long = -1 + if too_long > 0: + # we need to shorten the message: + task_progress['message'] = task_progress['message'][:-(too_long + 3)] + "..." + json_output = json.dumps(task_progress) + return json_output + + @staticmethod + def create_output_for_revoked(): + """Creates standard message to store in output format for revoked tasks.""" + return json.dumps({'message': 'Task revoked before running'}) diff --git a/lms/djangoapps/instructor_task/tasks.py b/lms/djangoapps/instructor_task/tasks.py index b1b2751195..efb958d8ce 100644 --- a/lms/djangoapps/instructor_task/tasks.py +++ b/lms/djangoapps/instructor_task/tasks.py @@ -2,8 +2,6 @@ This file contains tasks that are designed to perform background operations on the running state of a course. - - """ from celery import task from instructor_task.tasks_helper import (update_problem_module_state, @@ -14,16 +12,19 @@ from instructor_task.tasks_helper import (update_problem_module_state, @task def rescore_problem(entry_id, xmodule_instance_args): - """Rescores problem in `course_id`. + """Rescores a problem in a course, for all students or one specific student. `entry_id` is the id value of the InstructorTask entry that corresponds to this task. - `course_id` identifies the course. - `task_input` should be a dict with the following entries: + The entry contains the `course_id` that identifies the course, as well as the + `task_input`, which contains task-specific input. + + The task_input should be a dict with the following entries: 'problem_url': the full URL to the problem to be rescored. (required) + 'student': the identifier (username or email) of a particular user whose problem submission should be rescored. If not specified, all problem - submissions will be rescored. + submissions for the problem will be rescored. `xmodule_instance_args` provides information needed by _get_module_instance_for_task() to instantiate an xmodule instance. @@ -38,11 +39,13 @@ def rescore_problem(entry_id, xmodule_instance_args): @task def reset_problem_attempts(entry_id, xmodule_instance_args): - """Resets problem attempts to zero for `problem_url` in `course_id` for all students. + """Resets problem attempts to zero for a particular problem for all students in a course. `entry_id` is the id value of the InstructorTask entry that corresponds to this task. - `course_id` identifies the course. - `task_input` should be a dict with the following entries: + The entry contains the `course_id` that identifies the course, as well as the + `task_input`, which contains task-specific input. + + The task_input should be a dict with the following entries: 'problem_url': the full URL to the problem to be rescored. (required) @@ -58,11 +61,13 @@ def reset_problem_attempts(entry_id, xmodule_instance_args): @task def delete_problem_state(entry_id, xmodule_instance_args): - """Deletes problem state entirely for `problem_url` in `course_id` for all students. + """Deletes problem state entirely for all students on a particular problem in a course. `entry_id` is the id value of the InstructorTask entry that corresponds to this task. - `course_id` identifies the course. - `task_input` should be a dict with the following entries: + The entry contains the `course_id` that identifies the course, as well as the + `task_input`, which contains task-specific input. + + The task_input should be a dict with the following entries: 'problem_url': the full URL to the problem to be rescored. (required) diff --git a/lms/djangoapps/instructor_task/tasks_helper.py b/lms/djangoapps/instructor_task/tasks_helper.py index 62ef6296b6..7bdced17e3 100644 --- a/lms/djangoapps/instructor_task/tasks_helper.py +++ b/lms/djangoapps/instructor_task/tasks_helper.py @@ -2,8 +2,6 @@ This file contains tasks that are designed to perform background operations on the running state of a course. - - """ import json @@ -28,14 +26,11 @@ from track.views import task_track from courseware.models import StudentModule from courseware.model_data import ModelDataCache from courseware.module_render import get_module_for_descriptor_internal -from instructor_task.models import InstructorTask +from instructor_task.models import InstructorTask, PROGRESS # define different loggers for use within tasks and on client side TASK_LOG = get_task_logger(__name__) -# define custom task state: -PROGRESS = 'PROGRESS' - # define value to use when no task_id is provided: UNKNOWN_TASK_ID = 'unknown-task_id' @@ -94,7 +89,7 @@ def _perform_module_state_update(course_id, module_state_key, student_identifier the update is successful; False indicates the update on the particular student module failed. A raised exception indicates a fatal condition -- that no other student modules should be considered. - If no exceptions are raised, a dict containing the task's result is returned, with the following keys: + The return value is a dict containing the task's results, with the following keys: 'attempted': number of attempts made 'updated': number of attempts that "succeeded" @@ -170,12 +165,6 @@ def _perform_module_state_update(course_id, module_state_key, student_identifier return task_progress -@transaction.autocommit -def _save_course_task(course_task): - """Writes InstructorTask course_task immediately, ensuring the transaction is committed.""" - course_task.save() - - def update_problem_module_state(entry_id, update_fcn, action_name, filter_fcn, xmodule_instance_args): """ @@ -198,7 +187,7 @@ def update_problem_module_state(entry_id, update_fcn, action_name, filter_fcn, Before returning, this is also JSON-serialized and stored in the task_output column of the InstructorTask entry. - If exceptions were raised internally, they are caught and recorded in the InstructorTask entry. + If an exception is raised internally, it is caught and recorded in the InstructorTask entry. This is also a JSON-serialized dict, stored in the task_output column, containing the following keys: 'exception': type of exception object @@ -247,21 +236,18 @@ def update_problem_module_state(entry_id, update_fcn, action_name, filter_fcn, action_name, filter_fcn, xmodule_instance_args) except Exception: # try to write out the failure to the entry before failing - exception_type, exception, traceback = exc_info() + _, exception, traceback = exc_info() traceback_string = format_exc(traceback) if traceback is not None else '' - task_progress = {'exception': exception_type.__name__, 'message': str(exception.message)} TASK_LOG.warning("background task (%s) failed: %s %s", task_id, exception, traceback_string) - if traceback is not None: - task_progress['traceback'] = traceback_string[:700] - entry.task_output = json.dumps(task_progress) + entry.task_output = InstructorTask.create_output_for_failure(exception, traceback_string) entry.task_state = FAILURE - _save_course_task(entry) + entry.save_now() raise # if we get here, we assume we've succeeded, so update the InstructorTask entry in anticipation: entry.task_output = json.dumps(task_progress) entry.task_state = SUCCESS - _save_course_task(entry) + entry.save_now() # log and exit, returning task_progress info as task result: fmt = 'Finishing task "{task_id}": course "{course_id}" problem "{state_key}": final: {progress}' @@ -317,7 +303,7 @@ def rescore_problem_module_state(module_descriptor, student_module, xmodule_inst Throws exceptions if the rescoring is fatal and should be aborted if in a loop. In particular, raises UpdateProblemModuleStateError if module fails to instantiate, - and if the module doesn't support rescoring. + or if the module doesn't support rescoring. Returns True if problem was successfully rescored for the given student, and False if problem encountered some kind of error in rescoring. diff --git a/lms/djangoapps/instructor_task/tests/test_api.py b/lms/djangoapps/instructor_task/tests/test_api.py index 9458a27498..296a2012a4 100644 --- a/lms/djangoapps/instructor_task/tests/test_api.py +++ b/lms/djangoapps/instructor_task/tests/test_api.py @@ -22,12 +22,9 @@ from instructor_task.api import (get_running_instructor_tasks, submit_reset_problem_attempts_for_all_students, submit_delete_problem_state_for_all_students) -from instructor_task.api_helper import (QUEUING, - AlreadyRunningError, - encode_problem_and_student_input, - ) -from instructor_task.models import InstructorTask -from instructor_task.tasks_helper import PROGRESS +from instructor_task.api_helper import (AlreadyRunningError, + encode_problem_and_student_input) +from instructor_task.models import InstructorTask, PROGRESS, QUEUING from instructor_task.tests.test_base import InstructorTaskTestCase from instructor_task.tests.factories import InstructorTaskFactory from instructor_task.views import instructor_task_status, get_task_completion_info @@ -376,9 +373,9 @@ class InstructorTaskSubmitTest(InstructorTaskTestCase): submit_delete_problem_state_for_all_students(request, course_id, problem_url) def test_submit_nonrescorable_modules(self): - # confirm that a rescore of a non-existent module returns an exception + # confirm that a rescore of an existent but unscorable module returns an exception # (Note that it is easier to test a non-rescorable module in test_tasks, - # where we are creating real modules. + # where we are creating real modules.) problem_url = self.problem_section.location.url() course_id = self.course.id request = None @@ -387,6 +384,28 @@ class InstructorTaskSubmitTest(InstructorTaskTestCase): with self.assertRaises(NotImplementedError): submit_rescore_problem_for_all_students(request, course_id, problem_url) + def _test_submit_with_long_url(self, task_class, student=None): + problem_url_name = 'x' * 255 + self.define_option_problem(problem_url_name) + location = InstructorTaskTestCase.problem_location(problem_url_name) + with self.assertRaises(ValueError): + if student is not None: + task_class(self.create_task_request(self.instructor), self.course.id, location, student) + else: + task_class(self.create_task_request(self.instructor), self.course.id, location) + + def test_submit_rescore_all_with_long_url(self): + self._test_submit_with_long_url(submit_rescore_problem_for_all_students) + + def test_submit_rescore_student_with_long_url(self): + self._test_submit_with_long_url(submit_rescore_problem_for_student, self.student) + + def test_submit_reset_all_with_long_url(self): + self._test_submit_with_long_url(submit_reset_problem_attempts_for_all_students) + + def test_submit_delete_all_with_long_url(self): + self._test_submit_with_long_url(submit_delete_problem_state_for_all_students) + def _test_submit_task(self, task_class, student=None): problem_url_name = 'H1P1' self.define_option_problem(problem_url_name) diff --git a/lms/djangoapps/instructor_task/tests/test_tasks.py b/lms/djangoapps/instructor_task/tests/test_tasks.py index 7b90ace6db..979c71463e 100644 --- a/lms/djangoapps/instructor_task/tests/test_tasks.py +++ b/lms/djangoapps/instructor_task/tests/test_tasks.py @@ -25,6 +25,7 @@ from instructor_task.tests.factories import InstructorTaskFactory from instructor_task.tasks import rescore_problem, reset_problem_attempts, delete_problem_state from instructor_task.tasks_helper import UpdateProblemModuleStateError + log = logging.getLogger(__name__) PROBLEM_URL_NAME = "test_urlname" @@ -202,7 +203,16 @@ class TestInstructorTasks(InstructorTaskTestCase): entry = InstructorTask.objects.get(id=task_entry.id) self.assertEquals(json.loads(entry.task_output), status) self.assertEquals(entry.task_state, SUCCESS) - # TODO: check that entries were reset + # check that the correct entry was reset + for index, student in enumerate(students): + module = StudentModule.objects.get(course_id=self.course.id, + student=student, + module_state_key=self.problem_url) + state = json.loads(module.state) + if index == 3: + self.assertEquals(state['attempts'], 0) + else: + self.assertEquals(state['attempts'], initial_attempts) def test_reset_with_student_username(self): self._test_reset_with_student(False) @@ -236,7 +246,8 @@ class TestInstructorTasks(InstructorTaskTestCase): self._test_run_with_failure(delete_problem_state, 'We expected this to fail') def _test_run_with_long_error_msg(self, task_class): - # run with no StudentModules for the problem + # run with an error message that is so long it will require + # truncation (as well as the jettisoning of the traceback). task_entry = self._create_input_entry() self.define_option_problem(PROBLEM_URL_NAME) expected_message = "x" * 1500 @@ -247,12 +258,46 @@ class TestInstructorTasks(InstructorTaskTestCase): # compare with entry in table: entry = InstructorTask.objects.get(id=task_entry.id) self.assertEquals(entry.task_state, FAILURE) - # TODO: on MySQL this will actually fail, because it was truncated - # when it was persisted. It does not fail on SqlLite3 at the moment, - # because it doesn't actually enforce length limits! + self.assertGreater(1023, len(entry.task_output)) output = json.loads(entry.task_output) self.assertEquals(output['exception'], 'TestTaskFailure') - self.assertEquals(output['message'], expected_message) + self.assertEquals(output['message'], expected_message[:len(output['message']) - 3] + "...") + self.assertTrue('traceback' not in output) def test_rescore_with_long_error_msg(self): self._test_run_with_long_error_msg(rescore_problem) + + def test_reset_with_long_error_msg(self): + self._test_run_with_long_error_msg(reset_problem_attempts) + + def test_delete_with_long_error_msg(self): + self._test_run_with_long_error_msg(delete_problem_state) + + def _test_run_with_short_error_msg(self, task_class): + # run with an error message that is short enough to fit + # in the output, but long enough that the traceback won't. + # Confirm that the traceback is truncated. + task_entry = self._create_input_entry() + self.define_option_problem(PROBLEM_URL_NAME) + expected_message = "x" * 900 + try: + self._run_task_with_mock_celery(task_class, task_entry.id, task_entry.task_id, expected_message) + except TestTaskFailure: + pass + # compare with entry in table: + entry = InstructorTask.objects.get(id=task_entry.id) + self.assertEquals(entry.task_state, FAILURE) + self.assertGreater(1023, len(entry.task_output)) + output = json.loads(entry.task_output) + self.assertEquals(output['exception'], 'TestTaskFailure') + self.assertEquals(output['message'], expected_message) + self.assertEquals(output['traceback'][-3:], "...") + + def test_rescore_with_short_error_msg(self): + self._test_run_with_short_error_msg(rescore_problem) + + def test_reset_with_short_error_msg(self): + self._test_run_with_short_error_msg(reset_problem_attempts) + + def test_delete_with_short_error_msg(self): + self._test_run_with_short_error_msg(delete_problem_state) diff --git a/lms/djangoapps/instructor_task/views.py b/lms/djangoapps/instructor_task/views.py index 77fb09096e..ba95b7a22f 100644 --- a/lms/djangoapps/instructor_task/views.py +++ b/lms/djangoapps/instructor_task/views.py @@ -8,7 +8,7 @@ from celery.states import FAILURE, REVOKED, READY_STATES from instructor_task.api_helper import (get_status_from_instructor_task, get_updated_instructor_task) -from instructor_task.tasks_helper import PROGRESS +from instructor_task.models import PROGRESS log = logging.getLogger(__name__) From c2aadbfb18aa544330f0fb6e7c6f98713cef6cfb Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Mon, 17 Jun 2013 14:14:33 -0400 Subject: [PATCH 41/51] Fix issue with unicode in errors. --- common/lib/xmodule/xmodule/capa_module.py | 6 ++-- .../xmodule/xmodule/tests/test_capa_module.py | 4 +-- .../instructor_task/tasks_helper.py | 6 ++-- .../instructor_task/tests/test_integration.py | 33 ++++++++++++++++++- 4 files changed, 40 insertions(+), 9 deletions(-) diff --git a/common/lib/xmodule/xmodule/capa_module.py b/common/lib/xmodule/xmodule/capa_module.py index 4cc8cb5cc8..a03c0f4160 100644 --- a/common/lib/xmodule/xmodule/capa_module.py +++ b/common/lib/xmodule/xmodule/capa_module.py @@ -852,14 +852,14 @@ class CapaModule(CapaFields, XModule): log.warning("Input error in capa_module:problem_rescore", exc_info=True) event_info['failure'] = 'input_error' self.system.track_function('problem_rescore_fail', event_info) - return {'success': "Error: {0}".format(inst.message)} + return {'success': u"Error: {0}".format(inst.message)} except Exception as err: event_info['failure'] = 'unexpected' self.system.track_function('problem_rescore_fail', event_info) if self.system.DEBUG: - msg = "Error checking problem: " + str(err) - msg += '\nTraceback:\n' + traceback.format_exc() + msg = u"Error checking problem: {0}".format(err.message) + msg += u'\nTraceback:\n' + traceback.format_exc() return {'success': msg} raise diff --git a/common/lib/xmodule/xmodule/tests/test_capa_module.py b/common/lib/xmodule/xmodule/tests/test_capa_module.py index e71abc811d..e738d8e031 100644 --- a/common/lib/xmodule/xmodule/tests/test_capa_module.py +++ b/common/lib/xmodule/xmodule/tests/test_capa_module.py @@ -658,11 +658,11 @@ class CapaModuleTest(unittest.TestCase): # Simulate answering a problem that raises the exception with patch('capa.capa_problem.LoncapaProblem.rescore_existing_answers') as mock_rescore: - mock_rescore.side_effect = exception_class('test error') + mock_rescore.side_effect = exception_class(u'test error u\03a9') result = module.rescore_problem() # Expect an AJAX alert message in 'success' - expected_msg = 'Error: test error' + expected_msg = u'Error: test error u\03a9' self.assertEqual(result['success'], expected_msg) # Expect that the number of attempts is NOT incremented diff --git a/lms/djangoapps/instructor_task/tasks_helper.py b/lms/djangoapps/instructor_task/tasks_helper.py index 7bdced17e3..5f730a7c73 100644 --- a/lms/djangoapps/instructor_task/tasks_helper.py +++ b/lms/djangoapps/instructor_task/tasks_helper.py @@ -331,15 +331,15 @@ def rescore_problem_module_state(module_descriptor, student_module, xmodule_inst result = instance.rescore_problem() if 'success' not in result: # don't consider these fatal, but false means that the individual call didn't complete: - TASK_LOG.warning("error processing rescore call for course {course}, problem {loc} and student {student}: " + TASK_LOG.warning(u"error processing rescore call for course {course}, problem {loc} and student {student}: " "unexpected response {msg}".format(msg=result, course=course_id, loc=module_state_key, student=student)) return False elif result['success'] not in ['correct', 'incorrect']: - TASK_LOG.warning("error processing rescore call for course {course}, problem {loc} and student {student}: " + TASK_LOG.warning(u"error processing rescore call for course {course}, problem {loc} and student {student}: " "{msg}".format(msg=result['success'], course=course_id, loc=module_state_key, student=student)) return False else: - TASK_LOG.debug("successfully processed rescore call for course {course}, problem {loc} and student {student}: " + TASK_LOG.debug(u"successfully processed rescore call for course {course}, problem {loc} and student {student}: " "{msg}".format(msg=result['success'], course=course_id, loc=module_state_key, student=student)) return True diff --git a/lms/djangoapps/instructor_task/tests/test_integration.py b/lms/djangoapps/instructor_task/tests/test_integration.py index 4574a4c4ab..3491db0547 100644 --- a/lms/djangoapps/instructor_task/tests/test_integration.py +++ b/lms/djangoapps/instructor_task/tests/test_integration.py @@ -27,6 +27,7 @@ from instructor_task.api import (submit_rescore_problem_for_all_students, submit_delete_problem_state_for_all_students) from instructor_task.models import InstructorTask from instructor_task.tests.test_base import InstructorTaskTestCase, TEST_COURSE_ORG, TEST_COURSE_NUMBER +from capa.responsetypes import StudentInputError log = logging.getLogger(__name__) @@ -34,7 +35,7 @@ log = logging.getLogger(__name__) class TestIntegrationTask(InstructorTaskTestCase): """ - Base class to provide general methods used for "integration" testing of particular tasks. + Base class to provide general methods used for "integration" testing of particular tasks. """ def submit_student_answer(self, username, problem_url_name, responses): @@ -199,6 +200,36 @@ class TestRescoringTask(TestIntegrationTask): status = self.get_task_status(instructor_task.task_id) self.assertEqual(status['message'], expected_message) + def test_rescoring_bad_unicode_input(self): + """Generate a real failure in rescoring a problem, with an answer including unicode""" + # At one point, the student answers that resulted in StudentInputErrors were being + # persisted (even though they were not counted as an attempt). That is not possible + # now, so it's harder to generate a test for how such input is handled. + problem_url_name = 'H1P1' + # set up an option problem -- doesn't matter really what problem it is, but we need + # it to have an answer. + self.define_option_problem(problem_url_name) + self.submit_student_answer('u1', problem_url_name, ['Option 1', 'Option 1']) + + # return an input error as if it were a numerical response, with an embedded unicode character: + expected_message = u"Could not interpret '2/3\u03a9' as a number" + with patch('capa.capa_problem.LoncapaProblem.rescore_existing_answers') as mock_rescore: + mock_rescore.side_effect = StudentInputError(expected_message) + instructor_task = self.submit_rescore_all_student_answers('instructor', problem_url_name) + + # check instructor_task returned + instructor_task = InstructorTask.objects.get(id=instructor_task.id) + self.assertEqual(instructor_task.task_state, 'SUCCESS') + self.assertEqual(instructor_task.requester.username, 'instructor') + self.assertEqual(instructor_task.task_type, 'rescore_problem') + task_input = json.loads(instructor_task.task_input) + self.assertFalse('student' in task_input) + self.assertEqual(task_input['problem_url'], InstructorTaskTestCase.problem_location(problem_url_name)) + status = json.loads(instructor_task.task_output) + self.assertEqual(status['attempted'], 1) + self.assertEqual(status['updated'], 0) + self.assertEqual(status['total'], 1) + def test_rescoring_non_problem(self): """confirm that a non-problem will not submit""" problem_url_name = self.problem_section.location.url() From c129fa4a776817d19f60ed3b0a6fee878f7220ca Mon Sep 17 00:00:00 2001 From: Chris Dodge Date: Tue, 18 Jun 2013 11:15:05 -0400 Subject: [PATCH 42/51] remove assets.js from the PIPELINE_JS since it seems to cause that file to be loaded twice --- cms/envs/common.py | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/cms/envs/common.py b/cms/envs/common.py index 8551a56c41..7b9c0c52e4 100644 --- a/cms/envs/common.py +++ b/cms/envs/common.py @@ -238,8 +238,7 @@ PIPELINE_JS = { ) + ['js/hesitate.js', 'js/base.js', 'js/models/feedback.js', 'js/views/feedback.js', 'js/models/section.js', 'js/views/section.js', - 'js/models/metadata_model.js', 'js/views/metadata_editor_view.js', - 'js/views/assets.js'], + 'js/models/metadata_model.js', 'js/views/metadata_editor_view.js'], 'output_filename': 'js/cms-application.js', 'test_order': 0 }, From 77032067aca2a1063b1c441e99ec86dbb4f1c606 Mon Sep 17 00:00:00 2001 From: Brian Wilson Date: Mon, 17 Jun 2013 18:20:48 -0400 Subject: [PATCH 43/51] Refactor test_views from test_api. Pull out pending_tasks.js. --- lms/djangoapps/instructor_task/api.py | 4 +- lms/djangoapps/instructor_task/api_helper.py | 8 +- lms/djangoapps/instructor_task/models.py | 18 +- .../instructor_task/tasks_helper.py | 18 +- .../instructor_task/tests/test_api.py | 344 +----------------- .../instructor_task/tests/test_base.py | 104 ++++-- .../instructor_task/tests/test_integration.py | 178 +++------ .../instructor_task/tests/test_tasks.py | 139 ++++--- .../instructor_task/tests/test_views.py | 258 +++++++++++++ lms/djangoapps/instructor_task/views.py | 10 +- lms/static/js/pending_tasks.js | 100 +++++ .../courseware/instructor_dashboard.html | 109 +----- 12 files changed, 638 insertions(+), 652 deletions(-) create mode 100644 lms/djangoapps/instructor_task/tests/test_views.py create mode 100644 lms/static/js/pending_tasks.js diff --git a/lms/djangoapps/instructor_task/api.py b/lms/djangoapps/instructor_task/api.py index d2a8b78887..6815177f87 100644 --- a/lms/djangoapps/instructor_task/api.py +++ b/lms/djangoapps/instructor_task/api.py @@ -29,7 +29,7 @@ def get_running_instructor_tasks(course_id): # exclude states that are "ready" (i.e. not "running", e.g. failure, success, revoked): for state in READY_STATES: instructor_tasks = instructor_tasks.exclude(task_state=state) - return instructor_tasks + return instructor_tasks.order_by('-id') def get_instructor_task_history(course_id, problem_url, student=None): @@ -142,7 +142,7 @@ def submit_delete_problem_state_for_all_students(request, course_id, problem_url using i4x-type notation. ItemNotFoundException is raised if the problem doesn't exist, or AlreadyRunningError - if the particular problem is already being deleted. + if the particular problem's state is already being deleted. This method makes sure the InstructorTask entry is committed. When called from any view that is wrapped by TransactionMiddleware, diff --git a/lms/djangoapps/instructor_task/api_helper.py b/lms/djangoapps/instructor_task/api_helper.py index b34364bc00..2e908fca21 100644 --- a/lms/djangoapps/instructor_task/api_helper.py +++ b/lms/djangoapps/instructor_task/api_helper.py @@ -186,11 +186,7 @@ def get_status_from_instructor_task(instructor_task): 'message': returned for failed and revoked tasks. 'traceback': optional, returned if task failed and produced a traceback. - If task doesn't exist, returns None. - - If task has been REVOKED, the InstructorTask entry will be updated in - persistent storage as a side effect. - """ + """ status = {} if instructor_task.task_output is not None: @@ -231,7 +227,7 @@ def encode_problem_and_student_input(problem_url, student=None): task_key_stub = "{student}_{problem}".format(student=student.id, problem=problem_url) else: task_input = {'problem_url': problem_url} - task_key_stub = "{student}_{problem}".format(student="", problem=problem_url) + task_key_stub = "_{problem}".format(problem=problem_url) # create the key value by using MD5 hash: task_key = hashlib.md5(task_key_stub).hexdigest() diff --git a/lms/djangoapps/instructor_task/models.py b/lms/djangoapps/instructor_task/models.py index 255b376f02..f95897859e 100644 --- a/lms/djangoapps/instructor_task/models.py +++ b/lms/djangoapps/instructor_task/models.py @@ -102,17 +102,25 @@ class InstructorTask(models.Model): @staticmethod def create_output_for_success(returned_result): - """Converts successful result to output format""" + """ + Converts successful result to output format. + + Raises a ValueError exception if the output is too long. + """ + # In future, there should be a check here that the resulting JSON + # will fit in the column. In the meantime, just return an exception. json_output = json.dumps(returned_result) + if len(json_output) > 1023: + raise ValueError("Length of task output is too long: {0}".format(json_output)) return json_output @staticmethod def create_output_for_failure(exception, traceback_string): """ - Converts failed result inofrmation to output format. + Converts failed result information to output format. Traceback information is truncated or not included if it would result in an output string - that would not fit in the database. If the output is still too long, then the + that would not fit in the database. If the output is still too long, then the exception message is also truncated. Truncation is indicated by adding "..." to the end of the value. @@ -143,5 +151,5 @@ class InstructorTask(models.Model): @staticmethod def create_output_for_revoked(): - """Creates standard message to store in output format for revoked tasks.""" - return json.dumps({'message': 'Task revoked before running'}) + """Creates standard message to store in output format for revoked tasks.""" + return json.dumps({'message': 'Task revoked before running'}) diff --git a/lms/djangoapps/instructor_task/tasks_helper.py b/lms/djangoapps/instructor_task/tasks_helper.py index 5f730a7c73..c5a9b4d177 100644 --- a/lms/djangoapps/instructor_task/tasks_helper.py +++ b/lms/djangoapps/instructor_task/tasks_helper.py @@ -218,10 +218,10 @@ def update_problem_module_state(entry_id, update_fcn, action_name, filter_fcn, if xmodule_instance_args is not None: xmodule_instance_args['task_id'] = task_id - # now that we have an entry we can try to catch failures: + # Now that we have an entry we can try to catch failures: task_progress = None try: - # check that the task_id submitted in the InstructorTask matches the current task + # Check that the task_id submitted in the InstructorTask matches the current task # that is running. request_task_id = _get_current_task().request.id if task_id != request_task_id: @@ -230,10 +230,17 @@ def update_problem_module_state(entry_id, update_fcn, action_name, filter_fcn, TASK_LOG.error(message) raise UpdateProblemModuleStateError(message) - # now do the work: + # Now do the work: with dog_stats_api.timer('instructor_tasks.module.time.overall', tags=['action:{name}'.format(name=action_name)]): task_progress = _perform_module_state_update(course_id, module_state_key, student_ident, update_fcn, action_name, filter_fcn, xmodule_instance_args) + # If we get here, we assume we've succeeded, so update the InstructorTask entry in anticipation. + # But we do this within the try, in case creating the task_output causes an exception to be + # raised. + entry.task_output = InstructorTask.create_output_for_success(task_progress) + entry.task_state = SUCCESS + entry.save_now() + except Exception: # try to write out the failure to the entry before failing _, exception, traceback = exc_info() @@ -244,11 +251,6 @@ def update_problem_module_state(entry_id, update_fcn, action_name, filter_fcn, entry.save_now() raise - # if we get here, we assume we've succeeded, so update the InstructorTask entry in anticipation: - entry.task_output = json.dumps(task_progress) - entry.task_state = SUCCESS - entry.save_now() - # log and exit, returning task_progress info as task result: fmt = 'Finishing task "{task_id}": course "{course_id}" problem "{state_key}": final: {progress}' TASK_LOG.info(fmt.format(task_id=task_id, course_id=course_id, state_key=module_state_key, progress=task_progress)) diff --git a/lms/djangoapps/instructor_task/tests/test_api.py b/lms/djangoapps/instructor_task/tests/test_api.py index 296a2012a4..6ab710eef9 100644 --- a/lms/djangoapps/instructor_task/tests/test_api.py +++ b/lms/djangoapps/instructor_task/tests/test_api.py @@ -1,15 +1,6 @@ """ Test for LMS instructor background task queue management """ -import logging -import json -from celery.states import SUCCESS, FAILURE, REVOKED, PENDING - -from mock import Mock, patch -from uuid import uuid4 - -from django.utils.datastructures import MultiValueDict -from django.test.testcases import TestCase from xmodule.modulestore.exceptions import ItemNotFoundError @@ -22,75 +13,17 @@ from instructor_task.api import (get_running_instructor_tasks, submit_reset_problem_attempts_for_all_students, submit_delete_problem_state_for_all_students) -from instructor_task.api_helper import (AlreadyRunningError, - encode_problem_and_student_input) -from instructor_task.models import InstructorTask, PROGRESS, QUEUING -from instructor_task.tests.test_base import InstructorTaskTestCase -from instructor_task.tests.factories import InstructorTaskFactory -from instructor_task.views import instructor_task_status, get_task_completion_info +from instructor_task.api_helper import AlreadyRunningError +from instructor_task.models import InstructorTask, PROGRESS +from instructor_task.tests.test_base import (InstructorTaskTestCase, + InstructorTaskModuleTestCase, + TEST_COURSE_ID) -log = logging.getLogger(__name__) - - -TEST_COURSE_ID = 'edx/1.23x/test_course' -TEST_FAILURE_MESSAGE = 'task failed horribly' -TEST_FAILURE_EXCEPTION = 'RandomCauseError' - - -class InstructorTaskReportTest(TestCase): +class InstructorTaskReportTest(InstructorTaskTestCase): """ Tests API and view methods that involve the reporting of status for background tasks. """ - def setUp(self): - self.student = UserFactory.create(username="student", email="student@edx.org") - self.instructor = UserFactory.create(username="instructor", email="instructor@edx.org") - self.problem_url = InstructorTaskReportTest.problem_location("test_urlname") - - @staticmethod - def problem_location(problem_url_name): - """ - Create an internal location for a test problem. - """ - return "i4x://{org}/{number}/problem/{problem_url_name}".format(org='edx', - number='1.23x', - problem_url_name=problem_url_name) - - def _create_entry(self, task_state=QUEUING, task_output=None, student=None): - """Creates a InstructorTask entry for testing.""" - task_id = str(uuid4()) - progress_json = json.dumps(task_output) if task_output is not None else None - task_input, task_key = encode_problem_and_student_input(self.problem_url, student) - - instructor_task = InstructorTaskFactory.create(course_id=TEST_COURSE_ID, - requester=self.instructor, - task_input=json.dumps(task_input), - task_key=task_key, - task_id=task_id, - task_state=task_state, - task_output=progress_json) - return instructor_task - - def _create_failure_entry(self): - """Creates a InstructorTask entry representing a failed task.""" - # view task entry for task failure - progress = {'message': TEST_FAILURE_MESSAGE, - 'exception': TEST_FAILURE_EXCEPTION, - } - return self._create_entry(task_state=FAILURE, task_output=progress) - - def _create_success_entry(self, student=None): - """Creates a InstructorTask entry representing a successful task.""" - return self._create_progress_entry(student, task_state=SUCCESS) - - def _create_progress_entry(self, student=None, task_state=PROGRESS): - """Creates a InstructorTask entry representing a task in progress.""" - progress = {'attempted': 3, - 'updated': 2, - 'total': 5, - 'action_name': 'rescored', - } - return self._create_entry(task_state=task_state, task_output=progress, student=student) def test_get_running_instructor_tasks(self): # when fetching running tasks, we get all running tasks, and only running tasks @@ -112,243 +45,8 @@ class InstructorTaskReportTest(TestCase): in get_instructor_task_history(TEST_COURSE_ID, self.problem_url)] self.assertEquals(set(task_ids), set(expected_ids)) - def _get_instructor_task_status(self, task_id): - """Returns status corresponding to task_id via api method.""" - request = Mock() - request.REQUEST = {'task_id': task_id} - return instructor_task_status(request) - def test_instructor_task_status(self): - instructor_task = self._create_failure_entry() - task_id = instructor_task.task_id - request = Mock() - request.REQUEST = {'task_id': task_id} - response = instructor_task_status(request) - output = json.loads(response.content) - self.assertEquals(output['task_id'], task_id) - - def test_instructor_task_status_list(self): - # Fetch status for existing tasks by arg list, as if called from ajax. - # Note that ajax does something funny with the marshalling of - # list data, so the key value has "[]" appended to it. - task_ids = [(self._create_failure_entry()).task_id for _ in range(1, 5)] - request = Mock() - request.REQUEST = MultiValueDict({'task_ids[]': task_ids}) - response = instructor_task_status(request) - output = json.loads(response.content) - self.assertEquals(len(output), len(task_ids)) - for task_id in task_ids: - self.assertEquals(output[task_id]['task_id'], task_id) - - def test_get_status_from_failure(self): - # get status for a task that has already failed - instructor_task = self._create_failure_entry() - task_id = instructor_task.task_id - response = self._get_instructor_task_status(task_id) - output = json.loads(response.content) - self.assertEquals(output['message'], TEST_FAILURE_MESSAGE) - self.assertEquals(output['succeeded'], False) - self.assertEquals(output['task_id'], task_id) - self.assertEquals(output['task_state'], FAILURE) - self.assertFalse(output['in_progress']) - expected_progress = {'exception': TEST_FAILURE_EXCEPTION, - 'message': TEST_FAILURE_MESSAGE} - self.assertEquals(output['task_progress'], expected_progress) - - def test_get_status_from_success(self): - # get status for a task that has already succeeded - instructor_task = self._create_success_entry() - task_id = instructor_task.task_id - response = self._get_instructor_task_status(task_id) - output = json.loads(response.content) - self.assertEquals(output['message'], "Problem rescored for 2 of 3 students (out of 5)") - self.assertEquals(output['succeeded'], False) - self.assertEquals(output['task_id'], task_id) - self.assertEquals(output['task_state'], SUCCESS) - self.assertFalse(output['in_progress']) - expected_progress = {'attempted': 3, - 'updated': 2, - 'total': 5, - 'action_name': 'rescored'} - self.assertEquals(output['task_progress'], expected_progress) - - def _test_get_status_from_result(self, task_id, mock_result): - """ - Provides mock result to caller of instructor_task_status, and returns resulting output. - """ - with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: - mock_result_ctor.return_value = mock_result - response = self._get_instructor_task_status(task_id) - output = json.loads(response.content) - self.assertEquals(output['task_id'], task_id) - return output - - def test_get_status_to_pending(self): - # get status for a task that hasn't begun to run yet - instructor_task = self._create_entry() - task_id = instructor_task.task_id - mock_result = Mock() - mock_result.task_id = task_id - mock_result.state = PENDING - output = self._test_get_status_from_result(task_id, mock_result) - for key in ['message', 'succeeded', 'task_progress']: - self.assertTrue(key not in output) - self.assertEquals(output['task_state'], 'PENDING') - self.assertTrue(output['in_progress']) - - def test_update_progress_to_progress(self): - # view task entry for task in progress - instructor_task = self._create_progress_entry() - task_id = instructor_task.task_id - mock_result = Mock() - mock_result.task_id = task_id - mock_result.state = PROGRESS - mock_result.result = {'attempted': 5, - 'updated': 4, - 'total': 10, - 'action_name': 'rescored'} - output = self._test_get_status_from_result(task_id, mock_result) - self.assertEquals(output['message'], "Progress: rescored 4 of 5 so far (out of 10)") - self.assertEquals(output['succeeded'], False) - self.assertEquals(output['task_state'], PROGRESS) - self.assertTrue(output['in_progress']) - self.assertEquals(output['task_progress'], mock_result.result) - - def test_update_progress_to_failure(self): - # view task entry for task in progress that later fails - instructor_task = self._create_progress_entry() - task_id = instructor_task.task_id - mock_result = Mock() - mock_result.task_id = task_id - mock_result.state = FAILURE - mock_result.result = NotImplementedError("This task later failed.") - mock_result.traceback = "random traceback" - output = self._test_get_status_from_result(task_id, mock_result) - self.assertEquals(output['message'], "This task later failed.") - self.assertEquals(output['succeeded'], False) - self.assertEquals(output['task_state'], FAILURE) - self.assertFalse(output['in_progress']) - expected_progress = {'exception': 'NotImplementedError', - 'message': "This task later failed.", - 'traceback': "random traceback"} - self.assertEquals(output['task_progress'], expected_progress) - - def test_update_progress_to_revoked(self): - # view task entry for task in progress that later fails - instructor_task = self._create_progress_entry() - task_id = instructor_task.task_id - mock_result = Mock() - mock_result.task_id = task_id - mock_result.state = REVOKED - output = self._test_get_status_from_result(task_id, mock_result) - self.assertEquals(output['message'], "Task revoked before running") - self.assertEquals(output['succeeded'], False) - self.assertEquals(output['task_state'], REVOKED) - self.assertFalse(output['in_progress']) - expected_progress = {'message': "Task revoked before running"} - self.assertEquals(output['task_progress'], expected_progress) - - def _get_output_for_task_success(self, attempted, updated, total, student=None): - """returns the task_id and the result returned by instructor_task_status().""" - # view task entry for task in progress - instructor_task = self._create_progress_entry(student) - task_id = instructor_task.task_id - mock_result = Mock() - mock_result.task_id = task_id - mock_result.state = SUCCESS - mock_result.result = {'attempted': attempted, - 'updated': updated, - 'total': total, - 'action_name': 'rescored'} - output = self._test_get_status_from_result(task_id, mock_result) - return output - - def test_update_progress_to_success(self): - output = self._get_output_for_task_success(10, 8, 10) - self.assertEquals(output['message'], "Problem rescored for 8 of 10 students") - self.assertEquals(output['succeeded'], False) - self.assertEquals(output['task_state'], SUCCESS) - self.assertFalse(output['in_progress']) - expected_progress = {'attempted': 10, - 'updated': 8, - 'total': 10, - 'action_name': 'rescored'} - self.assertEquals(output['task_progress'], expected_progress) - - def test_success_messages(self): - output = self._get_output_for_task_success(0, 0, 10) - self.assertEqual(output['message'], "Unable to find any students with submissions to be rescored (out of 10)") - self.assertFalse(output['succeeded']) - - output = self._get_output_for_task_success(10, 0, 10) - self.assertEqual(output['message'], "Problem failed to be rescored for any of 10 students") - self.assertFalse(output['succeeded']) - - output = self._get_output_for_task_success(10, 8, 10) - self.assertEqual(output['message'], "Problem rescored for 8 of 10 students") - self.assertFalse(output['succeeded']) - - output = self._get_output_for_task_success(9, 8, 10) - self.assertEqual(output['message'], "Problem rescored for 8 of 9 students (out of 10)") - self.assertFalse(output['succeeded']) - - output = self._get_output_for_task_success(10, 10, 10) - self.assertEqual(output['message'], "Problem successfully rescored for 10 students") - self.assertTrue(output['succeeded']) - - output = self._get_output_for_task_success(0, 0, 1, student=self.student) - self.assertTrue("Unable to find submission to be rescored for student" in output['message']) - self.assertFalse(output['succeeded']) - - output = self._get_output_for_task_success(1, 0, 1, student=self.student) - self.assertTrue("Problem failed to be rescored for student" in output['message']) - self.assertFalse(output['succeeded']) - - output = self._get_output_for_task_success(1, 1, 1, student=self.student) - self.assertTrue("Problem successfully rescored for student" in output['message']) - self.assertTrue(output['succeeded']) - - def test_get_info_for_queuing_task(self): - # get status for a task that is still running: - instructor_task = self._create_entry() - succeeded, message = get_task_completion_info(instructor_task) - self.assertFalse(succeeded) - self.assertEquals(message, "No status information available") - - def test_get_info_for_missing_output(self): - # check for missing task_output - instructor_task = self._create_success_entry() - instructor_task.task_output = None - succeeded, message = get_task_completion_info(instructor_task) - self.assertFalse(succeeded) - self.assertEquals(message, "No status information available") - - def test_get_info_for_broken_output(self): - # check for non-JSON task_output - instructor_task = self._create_success_entry() - instructor_task.task_output = "{ bad" - succeeded, message = get_task_completion_info(instructor_task) - self.assertFalse(succeeded) - self.assertEquals(message, "No parsable status information available") - - def test_get_info_for_empty_output(self): - # check for JSON task_output with missing keys - instructor_task = self._create_success_entry() - instructor_task.task_output = "{}" - succeeded, message = get_task_completion_info(instructor_task) - self.assertFalse(succeeded) - self.assertEquals(message, "No progress status information available") - - def test_get_info_for_broken_input(self): - # check for non-JSON task_input, but then just ignore it - instructor_task = self._create_success_entry() - instructor_task.task_input = "{ bad" - succeeded, message = get_task_completion_info(instructor_task) - self.assertFalse(succeeded) - self.assertEquals(message, "Problem rescored for 2 of 3 students (out of 5)") - - -class InstructorTaskSubmitTest(InstructorTaskTestCase): +class InstructorTaskSubmitTest(InstructorTaskModuleTestCase): """Tests API methods that involve the submission of background tasks.""" def setUp(self): @@ -358,9 +56,7 @@ class InstructorTaskSubmitTest(InstructorTaskTestCase): def test_submit_nonexistent_modules(self): # confirm that a rescore of a non-existent module returns an exception - # (Note that it is easier to test a non-rescorable module in test_tasks, - # where we are creating real modules. - problem_url = InstructorTaskTestCase.problem_location("NonexistentProblem") + problem_url = InstructorTaskModuleTestCase.problem_location("NonexistentProblem") course_id = self.course.id request = None with self.assertRaises(ItemNotFoundError): @@ -374,7 +70,7 @@ class InstructorTaskSubmitTest(InstructorTaskTestCase): def test_submit_nonrescorable_modules(self): # confirm that a rescore of an existent but unscorable module returns an exception - # (Note that it is easier to test a non-rescorable module in test_tasks, + # (Note that it is easier to test a scoreable but non-rescorable module in test_tasks, # where we are creating real modules.) problem_url = self.problem_section.location.url() course_id = self.course.id @@ -384,15 +80,15 @@ class InstructorTaskSubmitTest(InstructorTaskTestCase): with self.assertRaises(NotImplementedError): submit_rescore_problem_for_all_students(request, course_id, problem_url) - def _test_submit_with_long_url(self, task_class, student=None): + def _test_submit_with_long_url(self, task_function, student=None): problem_url_name = 'x' * 255 self.define_option_problem(problem_url_name) - location = InstructorTaskTestCase.problem_location(problem_url_name) + location = InstructorTaskModuleTestCase.problem_location(problem_url_name) with self.assertRaises(ValueError): if student is not None: - task_class(self.create_task_request(self.instructor), self.course.id, location, student) + task_function(self.create_task_request(self.instructor), self.course.id, location, student) else: - task_class(self.create_task_request(self.instructor), self.course.id, location) + task_function(self.create_task_request(self.instructor), self.course.id, location) def test_submit_rescore_all_with_long_url(self): self._test_submit_with_long_url(submit_rescore_problem_for_all_students) @@ -406,15 +102,16 @@ class InstructorTaskSubmitTest(InstructorTaskTestCase): def test_submit_delete_all_with_long_url(self): self._test_submit_with_long_url(submit_delete_problem_state_for_all_students) - def _test_submit_task(self, task_class, student=None): + def _test_submit_task(self, task_function, student=None): + # tests submit, and then tests a second identical submission. problem_url_name = 'H1P1' self.define_option_problem(problem_url_name) - location = InstructorTaskTestCase.problem_location(problem_url_name) + location = InstructorTaskModuleTestCase.problem_location(problem_url_name) if student is not None: - instructor_task = task_class(self.create_task_request(self.instructor), + instructor_task = task_function(self.create_task_request(self.instructor), self.course.id, location, student) else: - instructor_task = task_class(self.create_task_request(self.instructor), + instructor_task = task_function(self.create_task_request(self.instructor), self.course.id, location) # test resubmitting, by updating the existing record: @@ -424,9 +121,9 @@ class InstructorTaskSubmitTest(InstructorTaskTestCase): with self.assertRaises(AlreadyRunningError): if student is not None: - task_class(self.create_task_request(self.instructor), self.course.id, location, student) + task_function(self.create_task_request(self.instructor), self.course.id, location, student) else: - task_class(self.create_task_request(self.instructor), self.course.id, location) + task_function(self.create_task_request(self.instructor), self.course.id, location) def test_submit_rescore_all(self): self._test_submit_task(submit_rescore_problem_for_all_students) @@ -439,4 +136,3 @@ class InstructorTaskSubmitTest(InstructorTaskTestCase): def test_submit_delete_all(self): self._test_submit_task(submit_delete_problem_state_for_all_students) - diff --git a/lms/djangoapps/instructor_task/tests/test_base.py b/lms/djangoapps/instructor_task/tests/test_base.py index cd9584460d..5e51b9fdeb 100644 --- a/lms/djangoapps/instructor_task/tests/test_base.py +++ b/lms/djangoapps/instructor_task/tests/test_base.py @@ -1,14 +1,14 @@ """ -Integration Test for LMS instructor-initiated background tasks - -Runs tasks on answers to course problems to validate that code -paths actually work. +Base test classes for LMS instructor-initiated background tasks """ -import logging import json +from uuid import uuid4 from mock import Mock +from celery.states import SUCCESS, FAILURE + +from django.test.testcases import TestCase from django.contrib.auth.models import User from django.test.utils import override_settings @@ -21,23 +21,85 @@ from student.tests.factories import CourseEnrollmentFactory, UserFactory from courseware.model_data import StudentModule from courseware.tests.tests import LoginEnrollmentTestCase, TEST_DATA_MONGO_MODULESTORE +from instructor_task.api_helper import encode_problem_and_student_input +from instructor_task.models import PROGRESS, QUEUING +from instructor_task.tests.factories import InstructorTaskFactory from instructor_task.views import instructor_task_status -log = logging.getLogger(__name__) - - TEST_COURSE_ORG = 'edx' TEST_COURSE_NAME = 'Test Course' TEST_COURSE_NUMBER = '1.23x' TEST_SECTION_NAME = "Problem" +TEST_COURSE_ID = 'edx/1.23x/test_course' + +TEST_FAILURE_MESSAGE = 'task failed horribly' +TEST_FAILURE_EXCEPTION = 'RandomCauseError' + +OPTION_1 = 'Option 1' +OPTION_2 = 'Option 2' + + +class InstructorTaskTestCase(TestCase): + """ + Tests API and view methods that involve the reporting of status for background tasks. + """ + def setUp(self): + self.student = UserFactory.create(username="student", email="student@edx.org") + self.instructor = UserFactory.create(username="instructor", email="instructor@edx.org") + self.problem_url = InstructorTaskTestCase.problem_location("test_urlname") + + @staticmethod + def problem_location(problem_url_name): + """ + Create an internal location for a test problem. + """ + return "i4x://{org}/{number}/problem/{problem_url_name}".format(org='edx', + number='1.23x', + problem_url_name=problem_url_name) + + def _create_entry(self, task_state=QUEUING, task_output=None, student=None): + """Creates a InstructorTask entry for testing.""" + task_id = str(uuid4()) + progress_json = json.dumps(task_output) if task_output is not None else None + task_input, task_key = encode_problem_and_student_input(self.problem_url, student) + + instructor_task = InstructorTaskFactory.create(course_id=TEST_COURSE_ID, + requester=self.instructor, + task_input=json.dumps(task_input), + task_key=task_key, + task_id=task_id, + task_state=task_state, + task_output=progress_json) + return instructor_task + + def _create_failure_entry(self): + """Creates a InstructorTask entry representing a failed task.""" + # view task entry for task failure + progress = {'message': TEST_FAILURE_MESSAGE, + 'exception': TEST_FAILURE_EXCEPTION, + } + return self._create_entry(task_state=FAILURE, task_output=progress) + + def _create_success_entry(self, student=None): + """Creates a InstructorTask entry representing a successful task.""" + return self._create_progress_entry(student, task_state=SUCCESS) + + def _create_progress_entry(self, student=None, task_state=PROGRESS): + """Creates a InstructorTask entry representing a task in progress.""" + progress = {'attempted': 3, + 'updated': 2, + 'total': 5, + 'action_name': 'rescored', + } + return self._create_entry(task_state=task_state, task_output=progress, student=student) @override_settings(MODULESTORE=TEST_DATA_MONGO_MODULESTORE) -class InstructorTaskTestCase(LoginEnrollmentTestCase, ModuleStoreTestCase): +class InstructorTaskModuleTestCase(LoginEnrollmentTestCase, ModuleStoreTestCase): """ Base test class for InstructorTask-related tests that require - the setup of a course and problem. + the setup of a course and problem in order to access StudentModule state. """ course = None current_user = None @@ -68,14 +130,13 @@ class InstructorTaskTestCase(LoginEnrollmentTestCase, ModuleStoreTestCase): def login_username(self, username): """Login the user, given the `username`.""" if self.current_user != username: - self.login(InstructorTaskTestCase.get_user_email(username), "test") + self.login(InstructorTaskModuleTestCase.get_user_email(username), "test") self.current_user = username def _create_user(self, username, is_staff=False): """Creates a user and enrolls them in the test course.""" - email = InstructorTaskTestCase.get_user_email(username) - UserFactory.create(username=username, email=email, is_staff=is_staff) - thisuser = User.objects.get(username=username) + email = InstructorTaskModuleTestCase.get_user_email(username) + thisuser = UserFactory.create(username=username, email=email, is_staff=is_staff) CourseEnrollmentFactory.create(user=thisuser, course_id=self.course.id) return thisuser @@ -102,9 +163,9 @@ class InstructorTaskTestCase(LoginEnrollmentTestCase, ModuleStoreTestCase): def define_option_problem(self, problem_url_name): """Create the problem definition so the answer is Option 1""" factory = OptionResponseXMLFactory() - factory_args = {'question_text': 'The correct answer is Option 1', - 'options': ['Option 1', 'Option 2'], - 'correct_option': 'Option 1', + factory_args = {'question_text': 'The correct answer is {0}'.format(OPTION_1), + 'options': [OPTION_1, OPTION_2], + 'correct_option': OPTION_1, 'num_responses': 2} problem_xml = factory.build_xml(**factory_args) ItemFactory.create(parent_location=self.problem_section.location, @@ -115,9 +176,9 @@ class InstructorTaskTestCase(LoginEnrollmentTestCase, ModuleStoreTestCase): def redefine_option_problem(self, problem_url_name): """Change the problem definition so the answer is Option 2""" factory = OptionResponseXMLFactory() - factory_args = {'question_text': 'The correct answer is Option 2', - 'options': ['Option 1', 'Option 2'], - 'correct_option': 'Option 2', + factory_args = {'question_text': 'The correct answer is {0}'.format(OPTION_2), + 'options': [OPTION_1, OPTION_2], + 'correct_option': OPTION_2, 'num_responses': 2} problem_xml = factory.build_xml(**factory_args) location = InstructorTaskTestCase.problem_location(problem_url_name) @@ -131,7 +192,8 @@ class InstructorTaskTestCase(LoginEnrollmentTestCase, ModuleStoreTestCase): module_state_key=descriptor.location.url(), ) - def get_task_status(self, task_id): + @staticmethod + def get_task_status(task_id): """Use api method to fetch task status, using mock request.""" mock_request = Mock() mock_request.REQUEST = {'task_id': task_id} diff --git a/lms/djangoapps/instructor_task/tests/test_integration.py b/lms/djangoapps/instructor_task/tests/test_integration.py index 3491db0547..d7a81a5b39 100644 --- a/lms/djangoapps/instructor_task/tests/test_integration.py +++ b/lms/djangoapps/instructor_task/tests/test_integration.py @@ -26,14 +26,15 @@ from instructor_task.api import (submit_rescore_problem_for_all_students, submit_reset_problem_attempts_for_all_students, submit_delete_problem_state_for_all_students) from instructor_task.models import InstructorTask -from instructor_task.tests.test_base import InstructorTaskTestCase, TEST_COURSE_ORG, TEST_COURSE_NUMBER +from instructor_task.tests.test_base import (InstructorTaskModuleTestCase, TEST_COURSE_ORG, TEST_COURSE_NUMBER, + OPTION_1, OPTION_2) from capa.responsetypes import StudentInputError log = logging.getLogger(__name__) -class TestIntegrationTask(InstructorTaskTestCase): +class TestIntegrationTask(InstructorTaskModuleTestCase): """ Base class to provide general methods used for "integration" testing of particular tasks. """ @@ -46,6 +47,9 @@ class TestIntegrationTask(InstructorTaskTestCase): """ def get_input_id(response_id): """Creates input id using information about the test course and the current problem.""" + # Note that this is a capa-specific convention. The form is a version of the problem's + # URL, modified so that it can be easily stored in html, prepended with "input-" and + # appended with a sequence identifier for the particular response the input goes to. return 'input_i4x-{0}-{1}-problem-{2}_{3}'.format(TEST_COURSE_ORG.lower(), TEST_COURSE_NUMBER.replace('.', '_'), problem_url_name, response_id) @@ -56,15 +60,32 @@ class TestIntegrationTask(InstructorTaskTestCase): # make ajax call: modx_url = reverse('modx_dispatch', kwargs={'course_id': self.course.id, - 'location': InstructorTaskTestCase.problem_location(problem_url_name), + 'location': InstructorTaskModuleTestCase.problem_location(problem_url_name), 'dispatch': 'problem_check', }) + # we assume we have two responses, so assign them the correct identifiers. resp = self.client.post(modx_url, { get_input_id('2_1'): responses[0], get_input_id('3_1'): responses[1], }) return resp + def _assert_task_failure(self, entry_id, task_type, problem_url_name, expected_message): + """Confirm that expected values are stored in InstructorTask on task failure.""" + instructor_task = InstructorTask.objects.get(id=entry_id) + self.assertEqual(instructor_task.task_state, FAILURE) + self.assertEqual(instructor_task.requester.username, 'instructor') + self.assertEqual(instructor_task.task_type, task_type) + task_input = json.loads(instructor_task.task_input) + self.assertFalse('student' in task_input) + self.assertEqual(task_input['problem_url'], InstructorTaskModuleTestCase.problem_location(problem_url_name)) + status = json.loads(instructor_task.task_output) + self.assertEqual(status['exception'], 'ZeroDivisionError') + self.assertEqual(status['message'], expected_message) + # check status returned: + status = InstructorTaskModuleTestCase.get_task_status(instructor_task.task_id) + self.assertEqual(status['message'], expected_message) + class TestRescoringTask(TestIntegrationTask): """ @@ -92,7 +113,7 @@ class TestRescoringTask(TestIntegrationTask): # make ajax call: modx_url = reverse('modx_dispatch', kwargs={'course_id': self.course.id, - 'location': InstructorTaskTestCase.problem_location(problem_url_name), + 'location': InstructorTaskModuleTestCase.problem_location(problem_url_name), 'dispatch': 'problem_get', }) resp = self.client.post(modx_url, {}) return resp @@ -120,32 +141,27 @@ class TestRescoringTask(TestIntegrationTask): def submit_rescore_all_student_answers(self, instructor, problem_url_name): """Submits the particular problem for rescoring""" return submit_rescore_problem_for_all_students(self.create_task_request(instructor), self.course.id, - InstructorTaskTestCase.problem_location(problem_url_name)) + InstructorTaskModuleTestCase.problem_location(problem_url_name)) def submit_rescore_one_student_answer(self, instructor, problem_url_name, student): """Submits the particular problem for rescoring for a particular student""" return submit_rescore_problem_for_student(self.create_task_request(instructor), self.course.id, - InstructorTaskTestCase.problem_location(problem_url_name), + InstructorTaskModuleTestCase.problem_location(problem_url_name), student) - def rescore_all_student_answers(self, instructor, problem_url_name): - """Runs the task to rescore the current problem""" - return submit_rescore_problem_for_all_students(self.create_task_request(instructor), self.course.id, - InstructorTaskTestCase.problem_location(problem_url_name)) - def test_rescoring_option_problem(self): - '''Run rescore scenario on option problem''' + """Run rescore scenario on option problem""" # get descriptor: problem_url_name = 'H1P1' self.define_option_problem(problem_url_name) - location = InstructorTaskTestCase.problem_location(problem_url_name) + location = InstructorTaskModuleTestCase.problem_location(problem_url_name) descriptor = self.module_store.get_instance(self.course.id, location) # first store answers for each of the separate users: - self.submit_student_answer('u1', problem_url_name, ['Option 1', 'Option 1']) - self.submit_student_answer('u2', problem_url_name, ['Option 1', 'Option 2']) - self.submit_student_answer('u3', problem_url_name, ['Option 2', 'Option 1']) - self.submit_student_answer('u4', problem_url_name, ['Option 2', 'Option 2']) + self.submit_student_answer('u1', problem_url_name, [OPTION_1, OPTION_1]) + self.submit_student_answer('u2', problem_url_name, [OPTION_1, OPTION_2]) + self.submit_student_answer('u3', problem_url_name, [OPTION_2, OPTION_1]) + self.submit_student_answer('u4', problem_url_name, [OPTION_2, OPTION_2]) self.check_state('u1', descriptor, 2, 2, 1) self.check_state('u2', descriptor, 1, 2, 1) @@ -177,28 +193,13 @@ class TestRescoringTask(TestIntegrationTask): """Simulate a failure in rescoring a problem""" problem_url_name = 'H1P1' self.define_option_problem(problem_url_name) - self.submit_student_answer('u1', problem_url_name, ['Option 1', 'Option 1']) + self.submit_student_answer('u1', problem_url_name, [OPTION_1, OPTION_1]) expected_message = "bad things happened" with patch('capa.capa_problem.LoncapaProblem.rescore_existing_answers') as mock_rescore: mock_rescore.side_effect = ZeroDivisionError(expected_message) instructor_task = self.submit_rescore_all_student_answers('instructor', problem_url_name) - - # check instructor_task returned - instructor_task = InstructorTask.objects.get(id=instructor_task.id) - self.assertEqual(instructor_task.task_state, 'FAILURE') - self.assertEqual(instructor_task.requester.username, 'instructor') - self.assertEqual(instructor_task.task_type, 'rescore_problem') - task_input = json.loads(instructor_task.task_input) - self.assertFalse('student' in task_input) - self.assertEqual(task_input['problem_url'], InstructorTaskTestCase.problem_location(problem_url_name)) - status = json.loads(instructor_task.task_output) - self.assertEqual(status['exception'], 'ZeroDivisionError') - self.assertEqual(status['message'], expected_message) - - # check status returned: - status = self.get_task_status(instructor_task.task_id) - self.assertEqual(status['message'], expected_message) + self._assert_task_failure(instructor_task.id, 'rescore_problem', problem_url_name, expected_message) def test_rescoring_bad_unicode_input(self): """Generate a real failure in rescoring a problem, with an answer including unicode""" @@ -209,7 +210,7 @@ class TestRescoringTask(TestIntegrationTask): # set up an option problem -- doesn't matter really what problem it is, but we need # it to have an answer. self.define_option_problem(problem_url_name) - self.submit_student_answer('u1', problem_url_name, ['Option 1', 'Option 1']) + self.submit_student_answer('u1', problem_url_name, [OPTION_1, OPTION_1]) # return an input error as if it were a numerical response, with an embedded unicode character: expected_message = u"Could not interpret '2/3\u03a9' as a number" @@ -224,24 +225,12 @@ class TestRescoringTask(TestIntegrationTask): self.assertEqual(instructor_task.task_type, 'rescore_problem') task_input = json.loads(instructor_task.task_input) self.assertFalse('student' in task_input) - self.assertEqual(task_input['problem_url'], InstructorTaskTestCase.problem_location(problem_url_name)) + self.assertEqual(task_input['problem_url'], InstructorTaskModuleTestCase.problem_location(problem_url_name)) status = json.loads(instructor_task.task_output) self.assertEqual(status['attempted'], 1) self.assertEqual(status['updated'], 0) self.assertEqual(status['total'], 1) - def test_rescoring_non_problem(self): - """confirm that a non-problem will not submit""" - problem_url_name = self.problem_section.location.url() - with self.assertRaises(NotImplementedError): - self.submit_rescore_all_student_answers('instructor', problem_url_name) - - def test_rescoring_nonexistent_problem(self): - """confirm that a non-existent problem will not submit""" - problem_url_name = 'NonexistentProblem' - with self.assertRaises(ItemNotFoundError): - self.submit_rescore_all_student_answers('instructor', problem_url_name) - def define_code_response_problem(self, problem_url_name): """ Define an arbitrary code-response problem. @@ -276,7 +265,7 @@ class TestRescoringTask(TestIntegrationTask): self.assertEqual(status['exception'], 'NotImplementedError') self.assertEqual(status['message'], "Problem's definition does not support rescoring") - status = self.get_task_status(instructor_task.task_id) + status = InstructorTaskModuleTestCase.get_task_status(instructor_task.task_id) self.assertEqual(status['message'], "Problem's definition does not support rescoring") def define_randomized_custom_response_problem(self, problem_url_name, redefine=False): @@ -290,21 +279,14 @@ class TestRescoringTask(TestIntegrationTask): to not-equals). """ factory = CustomResponseXMLFactory() - if redefine: - script = textwrap.dedent(""" + script = textwrap.dedent(""" def check_func(expect, answer_given): expected = str(random.randint(0, 100)) - return {'ok': answer_given != expected, 'msg': expected} - """) - else: - script = textwrap.dedent(""" - def check_func(expect, answer_given): - expected = str(random.randint(0, 100)) - return {'ok': answer_given == expected, 'msg': expected} - """) + return {'ok': answer_given %s expected, 'msg': expected} + """ % ('!=' if redefine else '==')) problem_xml = factory.build_xml(script=script, cfn="check_func", expect="42", num_responses=1) if redefine: - self.module_store.update_item(InstructorTaskTestCase.problem_location(problem_url_name), problem_xml) + self.module_store.update_item(InstructorTaskModuleTestCase.problem_location(problem_url_name), problem_xml) else: # Use "per-student" rerandomization so that check-problem can be called more than once. # Using "always" means we cannot check a problem twice, but we want to call once to get the @@ -322,7 +304,7 @@ class TestRescoringTask(TestIntegrationTask): # First define the custom response problem: problem_url_name = 'H1P1' self.define_randomized_custom_response_problem(problem_url_name) - location = InstructorTaskTestCase.problem_location(problem_url_name) + location = InstructorTaskModuleTestCase.problem_location(problem_url_name) descriptor = self.module_store.get_instance(self.course.id, location) # run with more than one user userlist = ['u1', 'u2', 'u3', 'u4'] @@ -340,7 +322,7 @@ class TestRescoringTask(TestIntegrationTask): correct_map = state['correct_map'] log.info("Correct Map: %s", correct_map) # only one response, so pull it out: - answer = correct_map[correct_map.keys()[0]]['msg'] + answer = correct_map.values()[0]['msg'] self.submit_student_answer(username, problem_url_name, [answer, answer]) # we should now get the problem right, with a second attempt: self.check_state(username, descriptor, 1, 1, 2) @@ -355,10 +337,8 @@ class TestRescoringTask(TestIntegrationTask): # rescore the problem for only one student -- only that student's grade should change # (and none of the attempts): self.submit_rescore_one_student_answer('instructor', problem_url_name, User.objects.get(username='u1')) - self.check_state('u1', descriptor, 0, 1, 2) - self.check_state('u2', descriptor, 1, 1, 2) - self.check_state('u3', descriptor, 1, 1, 2) - self.check_state('u4', descriptor, 1, 1, 2) + for username in userlist: + self.check_state(username, descriptor, 0 if username == 'u1' else 1, 1, 2) # rescore the problem for all students self.submit_rescore_all_student_answers('instructor', problem_url_name) @@ -392,20 +372,20 @@ class TestResetAttemptsTask(TestIntegrationTask): def reset_problem_attempts(self, instructor, problem_url_name): """Submits the current problem for resetting""" return submit_reset_problem_attempts_for_all_students(self.create_task_request(instructor), self.course.id, - InstructorTaskTestCase.problem_location(problem_url_name)) + InstructorTaskModuleTestCase.problem_location(problem_url_name)) def test_reset_attempts_on_problem(self): - '''Run reset-attempts scenario on option problem''' + """Run reset-attempts scenario on option problem""" # get descriptor: problem_url_name = 'H1P1' self.define_option_problem(problem_url_name) - location = InstructorTaskTestCase.problem_location(problem_url_name) + location = InstructorTaskModuleTestCase.problem_location(problem_url_name) descriptor = self.module_store.get_instance(self.course.id, location) num_attempts = 3 # first store answers for each of the separate users: for _ in range(num_attempts): for username in self.userlist: - self.submit_student_answer(username, problem_url_name, ['Option 1', 'Option 1']) + self.submit_student_answer(username, problem_url_name, [OPTION_1, OPTION_1]) for username in self.userlist: self.assertEquals(self.get_num_attempts(username, descriptor), num_attempts) @@ -419,28 +399,13 @@ class TestResetAttemptsTask(TestIntegrationTask): """Simulate a failure in resetting attempts on a problem""" problem_url_name = 'H1P1' self.define_option_problem(problem_url_name) - self.submit_student_answer('u1', problem_url_name, ['Option 1', 'Option 1']) + self.submit_student_answer('u1', problem_url_name, [OPTION_1, OPTION_1]) expected_message = "bad things happened" with patch('courseware.models.StudentModule.save') as mock_save: mock_save.side_effect = ZeroDivisionError(expected_message) instructor_task = self.reset_problem_attempts('instructor', problem_url_name) - - # check instructor_task - instructor_task = InstructorTask.objects.get(id=instructor_task.id) - self.assertEqual(instructor_task.task_state, FAILURE) - self.assertEqual(instructor_task.requester.username, 'instructor') - self.assertEqual(instructor_task.task_type, 'reset_problem_attempts') - task_input = json.loads(instructor_task.task_input) - self.assertFalse('student' in task_input) - self.assertEqual(task_input['problem_url'], InstructorTaskTestCase.problem_location(problem_url_name)) - status = json.loads(instructor_task.task_output) - self.assertEqual(status['exception'], 'ZeroDivisionError') - self.assertEqual(status['message'], expected_message) - - # check status returned: - status = self.get_task_status(instructor_task.task_id) - self.assertEqual(status['message'], expected_message) + self._assert_task_failure(instructor_task.id, 'reset_problem_attempts', problem_url_name, expected_message) def test_reset_non_problem(self): """confirm that a non-problem can still be successfully reset""" @@ -449,12 +414,6 @@ class TestResetAttemptsTask(TestIntegrationTask): instructor_task = InstructorTask.objects.get(id=instructor_task.id) self.assertEqual(instructor_task.task_state, SUCCESS) - def test_reset_nonexistent_problem(self): - """confirm that a non-existent problem will not submit""" - problem_url_name = 'NonexistentProblem' - with self.assertRaises(ItemNotFoundError): - self.reset_problem_attempts('instructor', problem_url_name) - class TestDeleteProblemTask(TestIntegrationTask): """ @@ -474,18 +433,18 @@ class TestDeleteProblemTask(TestIntegrationTask): def delete_problem_state(self, instructor, problem_url_name): """Submits the current problem for deletion""" return submit_delete_problem_state_for_all_students(self.create_task_request(instructor), self.course.id, - InstructorTaskTestCase.problem_location(problem_url_name)) + InstructorTaskModuleTestCase.problem_location(problem_url_name)) def test_delete_problem_state(self): - '''Run delete-state scenario on option problem''' + """Run delete-state scenario on option problem""" # get descriptor: problem_url_name = 'H1P1' self.define_option_problem(problem_url_name) - location = InstructorTaskTestCase.problem_location(problem_url_name) + location = InstructorTaskModuleTestCase.problem_location(problem_url_name) descriptor = self.module_store.get_instance(self.course.id, location) # first store answers for each of the separate users: for username in self.userlist: - self.submit_student_answer(username, problem_url_name, ['Option 1', 'Option 1']) + self.submit_student_answer(username, problem_url_name, [OPTION_1, OPTION_1]) # confirm that state exists: for username in self.userlist: self.assertTrue(self.get_student_module(username, descriptor) is not None) @@ -500,28 +459,13 @@ class TestDeleteProblemTask(TestIntegrationTask): """Simulate a failure in deleting state of a problem""" problem_url_name = 'H1P1' self.define_option_problem(problem_url_name) - self.submit_student_answer('u1', problem_url_name, ['Option 1', 'Option 1']) + self.submit_student_answer('u1', problem_url_name, [OPTION_1, OPTION_1]) expected_message = "bad things happened" with patch('courseware.models.StudentModule.delete') as mock_delete: mock_delete.side_effect = ZeroDivisionError(expected_message) instructor_task = self.delete_problem_state('instructor', problem_url_name) - - # check instructor_task returned - instructor_task = InstructorTask.objects.get(id=instructor_task.id) - self.assertEqual(instructor_task.task_state, FAILURE) - self.assertEqual(instructor_task.requester.username, 'instructor') - self.assertEqual(instructor_task.task_type, 'delete_problem_state') - task_input = json.loads(instructor_task.task_input) - self.assertFalse('student' in task_input) - self.assertEqual(task_input['problem_url'], InstructorTaskTestCase.problem_location(problem_url_name)) - status = json.loads(instructor_task.task_output) - self.assertEqual(status['exception'], 'ZeroDivisionError') - self.assertEqual(status['message'], expected_message) - - # check status returned: - status = self.get_task_status(instructor_task.task_id) - self.assertEqual(status['message'], expected_message) + self._assert_task_failure(instructor_task.id, 'delete_problem_state', problem_url_name, expected_message) def test_delete_non_problem(self): """confirm that a non-problem can still be successfully deleted""" @@ -529,9 +473,3 @@ class TestDeleteProblemTask(TestIntegrationTask): instructor_task = self.delete_problem_state('instructor', problem_url_name) instructor_task = InstructorTask.objects.get(id=instructor_task.id) self.assertEqual(instructor_task.task_state, SUCCESS) - - def test_delete_nonexistent_module(self): - """confirm that a non-existent module will not submit""" - problem_url_name = 'NonexistentProblem' - with self.assertRaises(ItemNotFoundError): - self.delete_problem_state('instructor', problem_url_name) diff --git a/lms/djangoapps/instructor_task/tests/test_tasks.py b/lms/djangoapps/instructor_task/tests/test_tasks.py index 979c71463e..9eb81a98c9 100644 --- a/lms/djangoapps/instructor_task/tests/test_tasks.py +++ b/lms/djangoapps/instructor_task/tests/test_tasks.py @@ -5,7 +5,6 @@ Runs tasks on answers to course problems to validate that code paths actually work. """ -import logging import json from uuid import uuid4 @@ -20,13 +19,12 @@ from courseware.tests.factories import StudentModuleFactory from student.tests.factories import UserFactory from instructor_task.models import InstructorTask -from instructor_task.tests.test_base import InstructorTaskTestCase, TEST_COURSE_ORG, TEST_COURSE_NUMBER +from instructor_task.tests.test_base import InstructorTaskModuleTestCase, TEST_COURSE_ORG, TEST_COURSE_NUMBER from instructor_task.tests.factories import InstructorTaskFactory from instructor_task.tasks import rescore_problem, reset_problem_attempts, delete_problem_state -from instructor_task.tasks_helper import UpdateProblemModuleStateError +from instructor_task.tasks_helper import UpdateProblemModuleStateError, update_problem_module_state -log = logging.getLogger(__name__) PROBLEM_URL_NAME = "test_urlname" @@ -34,12 +32,12 @@ class TestTaskFailure(Exception): pass -class TestInstructorTasks(InstructorTaskTestCase): +class TestInstructorTasks(InstructorTaskModuleTestCase): def setUp(self): - super(InstructorTaskTestCase, self).setUp() + super(InstructorTaskModuleTestCase, self).setUp() self.initialize_course() self.instructor = self.create_instructor('instructor') - self.problem_url = InstructorTaskTestCase.problem_location(PROBLEM_URL_NAME) + self.problem_url = InstructorTaskModuleTestCase.problem_location(PROBLEM_URL_NAME) def _create_input_entry(self, student_ident=None): """Creates a InstructorTask entry for testing.""" @@ -63,7 +61,7 @@ class TestInstructorTasks(InstructorTaskTestCase): 'request_info': {}, } - def _run_task_with_mock_celery(self, task_class, entry_id, task_id, expected_failure_message=None): + def _run_task_with_mock_celery(self, task_function, entry_id, task_id, expected_failure_message=None): self.current_task = Mock() self.current_task.request = Mock() self.current_task.request.id = task_id @@ -72,43 +70,57 @@ class TestInstructorTasks(InstructorTaskTestCase): self.current_task.update_state.side_effect = TestTaskFailure(expected_failure_message) with patch('instructor_task.tasks_helper._get_current_task') as mock_get_task: mock_get_task.return_value = self.current_task - return task_class(entry_id, self._get_xmodule_instance_args()) + return task_function(entry_id, self._get_xmodule_instance_args()) - def test_missing_current_task(self): + def _test_missing_current_task(self, task_function): # run without (mock) Celery running task_entry = self._create_input_entry() with self.assertRaises(UpdateProblemModuleStateError): - reset_problem_attempts(task_entry.id, self._get_xmodule_instance_args()) + task_function(task_entry.id, self._get_xmodule_instance_args()) - def test_undefined_problem(self): + def test_rescore_missing_current_task(self): + self._test_missing_current_task(rescore_problem) + + def test_reset_missing_current_task(self): + self._test_missing_current_task(reset_problem_attempts) + + def test_delete_missing_current_task(self): + self._test_missing_current_task(delete_problem_state) + + def _test_undefined_problem(self, task_function): # run with celery, but no problem defined task_entry = self._create_input_entry() with self.assertRaises(ItemNotFoundError): - self._run_task_with_mock_celery(reset_problem_attempts, task_entry.id, task_entry.task_id) + self._run_task_with_mock_celery(task_function, task_entry.id, task_entry.task_id) - def _assert_return_matches_entry(self, returned, entry_id): - entry = InstructorTask.objects.get(id=entry_id) - self.assertEquals(returned, json.loads(entry.task_output)) + def test_rescore_undefined_problem(self): + self._test_undefined_problem(rescore_problem) - def _test_run_with_task(self, task_class, action_name, expected_num_updated): + def test_reset_undefined_problem(self): + self._test_undefined_problem(reset_problem_attempts) + + def test_delete_undefined_problem(self): + self._test_undefined_problem(delete_problem_state) + + def _test_run_with_task(self, task_function, action_name, expected_num_updated): # run with some StudentModules for the problem task_entry = self._create_input_entry() - status = self._run_task_with_mock_celery(task_class, task_entry.id, task_entry.task_id) + status = self._run_task_with_mock_celery(task_function, task_entry.id, task_entry.task_id) # check return value self.assertEquals(status.get('attempted'), expected_num_updated) self.assertEquals(status.get('updated'), expected_num_updated) self.assertEquals(status.get('total'), expected_num_updated) self.assertEquals(status.get('action_name'), action_name) - self.assertTrue('duration_ms' in status) + self.assertGreater('duration_ms', 0) # compare with entry in table: entry = InstructorTask.objects.get(id=task_entry.id) self.assertEquals(json.loads(entry.task_output), status) self.assertEquals(entry.task_state, SUCCESS) - def _test_run_with_no_state(self, task_class, action_name): + def _test_run_with_no_state(self, task_function, action_name): # run with no StudentModules for the problem self.define_option_problem(PROBLEM_URL_NAME) - self._test_run_with_task(task_class, action_name, 0) + self._test_run_with_task(task_function, action_name, 0) def test_rescore_with_no_state(self): self._test_run_with_no_state(rescore_problem, 'rescored') @@ -119,7 +131,8 @@ class TestInstructorTasks(InstructorTaskTestCase): def test_delete_with_no_state(self): self._test_run_with_no_state(delete_problem_state, 'deleted') - def _create_some_students(self, num_students, state=None): + def _create_students_with_state(self, num_students, state=None): + """Create students, a problem, and StudentModule objects for testing""" self.define_option_problem(PROBLEM_URL_NAME) students = [ UserFactory.create(username='robot%d' % i, email='robot+test+%d@edx.org' % i) @@ -132,38 +145,37 @@ class TestInstructorTasks(InstructorTaskTestCase): state=state) return students + def _assert_num_attempts(self, students, num_attempts): + """Check the number attempts for all students is the same""" + for student in students: + module = StudentModule.objects.get(course_id=self.course.id, + student=student, + module_state_key=self.problem_url) + state = json.loads(module.state) + self.assertEquals(state['attempts'], num_attempts) + def test_reset_with_some_state(self): initial_attempts = 3 input_state = json.dumps({'attempts': initial_attempts}) num_students = 10 - students = self._create_some_students(num_students, input_state) + students = self._create_students_with_state(num_students, input_state) # check that entries were set correctly - for student in students: - module = StudentModule.objects.get(course_id=self.course.id, - student=student, - module_state_key=self.problem_url) - state = json.loads(module.state) - self.assertEquals(state['attempts'], initial_attempts) + self._assert_num_attempts(students, initial_attempts) # run the task self._test_run_with_task(reset_problem_attempts, 'reset', num_students) # check that entries were reset - for student in students: - module = StudentModule.objects.get(course_id=self.course.id, - student=student, - module_state_key=self.problem_url) - state = json.loads(module.state) - self.assertEquals(state['attempts'], 0) + self._assert_num_attempts(students, 0) def test_delete_with_some_state(self): # This will create StudentModule entries -- we don't have to worry about # the state inside them. num_students = 10 - students = self._create_some_students(num_students) + students = self._create_students_with_state(num_students) # check that entries were created correctly for student in students: StudentModule.objects.get(course_id=self.course.id, - student=student, - module_state_key=self.problem_url) + student=student, + module_state_key=self.problem_url) self._test_run_with_task(delete_problem_state, 'deleted', num_students) # confirm that no state can be found anymore: for student in students: @@ -177,7 +189,7 @@ class TestInstructorTasks(InstructorTaskTestCase): num_students = 10 initial_attempts = 3 input_state = json.dumps({'attempts': initial_attempts}) - students = self._create_some_students(num_students, input_state) + students = self._create_students_with_state(num_students, input_state) # check that entries were set correctly for student in students: module = StudentModule.objects.get(course_id=self.course.id, @@ -198,7 +210,7 @@ class TestInstructorTasks(InstructorTaskTestCase): self.assertEquals(status.get('updated'), 1) self.assertEquals(status.get('total'), 1) self.assertEquals(status.get('action_name'), 'reset') - self.assertTrue('duration_ms' in status) + self.assertGreater('duration_ms', 0) # compare with entry in table: entry = InstructorTask.objects.get(id=task_entry.id) self.assertEquals(json.loads(entry.task_output), status) @@ -220,15 +232,13 @@ class TestInstructorTasks(InstructorTaskTestCase): def test_reset_with_student_email(self): self._test_reset_with_student(True) - def _test_run_with_failure(self, task_class, expected_message): + def _test_run_with_failure(self, task_function, expected_message): # run with no StudentModules for the problem, # because we will fail before entering the loop. task_entry = self._create_input_entry() self.define_option_problem(PROBLEM_URL_NAME) - try: - self._run_task_with_mock_celery(task_class, task_entry.id, task_entry.task_id, expected_message) - except TestTaskFailure: - pass + with self.assertRaises(TestTaskFailure): + self._run_task_with_mock_celery(task_function, task_entry.id, task_entry.task_id, expected_message) # compare with entry in table: entry = InstructorTask.objects.get(id=task_entry.id) self.assertEquals(entry.task_state, FAILURE) @@ -245,16 +255,14 @@ class TestInstructorTasks(InstructorTaskTestCase): def test_delete_with_failure(self): self._test_run_with_failure(delete_problem_state, 'We expected this to fail') - def _test_run_with_long_error_msg(self, task_class): + def _test_run_with_long_error_msg(self, task_function): # run with an error message that is so long it will require # truncation (as well as the jettisoning of the traceback). task_entry = self._create_input_entry() self.define_option_problem(PROBLEM_URL_NAME) expected_message = "x" * 1500 - try: - self._run_task_with_mock_celery(task_class, task_entry.id, task_entry.task_id, expected_message) - except TestTaskFailure: - pass + with self.assertRaises(TestTaskFailure): + self._run_task_with_mock_celery(task_function, task_entry.id, task_entry.task_id, expected_message) # compare with entry in table: entry = InstructorTask.objects.get(id=task_entry.id) self.assertEquals(entry.task_state, FAILURE) @@ -273,17 +281,15 @@ class TestInstructorTasks(InstructorTaskTestCase): def test_delete_with_long_error_msg(self): self._test_run_with_long_error_msg(delete_problem_state) - def _test_run_with_short_error_msg(self, task_class): + def _test_run_with_short_error_msg(self, task_function): # run with an error message that is short enough to fit # in the output, but long enough that the traceback won't. # Confirm that the traceback is truncated. task_entry = self._create_input_entry() self.define_option_problem(PROBLEM_URL_NAME) expected_message = "x" * 900 - try: - self._run_task_with_mock_celery(task_class, task_entry.id, task_entry.task_id, expected_message) - except TestTaskFailure: - pass + with self.assertRaises(TestTaskFailure): + self._run_task_with_mock_celery(task_function, task_entry.id, task_entry.task_id, expected_message) # compare with entry in table: entry = InstructorTask.objects.get(id=task_entry.id) self.assertEquals(entry.task_state, FAILURE) @@ -301,3 +307,26 @@ class TestInstructorTasks(InstructorTaskTestCase): def test_delete_with_short_error_msg(self): self._test_run_with_short_error_msg(delete_problem_state) + + def test_successful_result_too_long(self): + # while we don't expect the existing tasks to generate output that is too + # long, we can test the framework will handle such an occurrence. + task_entry = self._create_input_entry() + self.define_option_problem(PROBLEM_URL_NAME) + action_name = 'x' * 1000 + update_fcn = lambda(_module_descriptor, _student_module, _xmodule_instance_args): True + task_function = (lambda entry_id, xmodule_instance_args: + update_problem_module_state(entry_id, + update_fcn, action_name, filter_fcn=None, + xmodule_instance_args=None)) + + with self.assertRaises(ValueError): + self._run_task_with_mock_celery(task_function, task_entry.id, task_entry.task_id) + # compare with entry in table: + entry = InstructorTask.objects.get(id=task_entry.id) + self.assertEquals(entry.task_state, FAILURE) + self.assertGreater(1023, len(entry.task_output)) + output = json.loads(entry.task_output) + self.assertEquals(output['exception'], 'ValueError') + self.assertTrue("Length of task output is too long" in output['message']) + self.assertTrue('traceback' not in output) diff --git a/lms/djangoapps/instructor_task/tests/test_views.py b/lms/djangoapps/instructor_task/tests/test_views.py new file mode 100644 index 0000000000..584079830f --- /dev/null +++ b/lms/djangoapps/instructor_task/tests/test_views.py @@ -0,0 +1,258 @@ + +""" +Test for LMS instructor background task queue management +""" +import json +from celery.states import SUCCESS, FAILURE, REVOKED, PENDING + +from mock import Mock, patch + +from django.utils.datastructures import MultiValueDict + +from instructor_task.models import PROGRESS +from instructor_task.tests.test_base import (InstructorTaskTestCase, + TEST_FAILURE_MESSAGE, + TEST_FAILURE_EXCEPTION) +from instructor_task.views import instructor_task_status, get_task_completion_info + + +class InstructorTaskReportTest(InstructorTaskTestCase): + """ + Tests API and view methods that involve the reporting of status for background tasks. + """ + + def _get_instructor_task_status(self, task_id): + """Returns status corresponding to task_id via api method.""" + request = Mock() + request.REQUEST = {'task_id': task_id} + return instructor_task_status(request) + + def test_instructor_task_status(self): + instructor_task = self._create_failure_entry() + task_id = instructor_task.task_id + request = Mock() + request.REQUEST = {'task_id': task_id} + response = instructor_task_status(request) + output = json.loads(response.content) + self.assertEquals(output['task_id'], task_id) + + def test_instructor_task_status_list(self): + # Fetch status for existing tasks by arg list, as if called from ajax. + # Note that ajax does something funny with the marshalling of + # list data, so the key value has "[]" appended to it. + task_ids = [(self._create_failure_entry()).task_id for _ in range(1, 5)] + request = Mock() + request.REQUEST = MultiValueDict({'task_ids[]': task_ids}) + response = instructor_task_status(request) + output = json.loads(response.content) + self.assertEquals(len(output), len(task_ids)) + for task_id in task_ids: + self.assertEquals(output[task_id]['task_id'], task_id) + + def test_get_status_from_failure(self): + # get status for a task that has already failed + instructor_task = self._create_failure_entry() + task_id = instructor_task.task_id + response = self._get_instructor_task_status(task_id) + output = json.loads(response.content) + self.assertEquals(output['message'], TEST_FAILURE_MESSAGE) + self.assertEquals(output['succeeded'], False) + self.assertEquals(output['task_id'], task_id) + self.assertEquals(output['task_state'], FAILURE) + self.assertFalse(output['in_progress']) + expected_progress = {'exception': TEST_FAILURE_EXCEPTION, + 'message': TEST_FAILURE_MESSAGE} + self.assertEquals(output['task_progress'], expected_progress) + + def test_get_status_from_success(self): + # get status for a task that has already succeeded + instructor_task = self._create_success_entry() + task_id = instructor_task.task_id + response = self._get_instructor_task_status(task_id) + output = json.loads(response.content) + self.assertEquals(output['message'], "Problem rescored for 2 of 3 students (out of 5)") + self.assertEquals(output['succeeded'], False) + self.assertEquals(output['task_id'], task_id) + self.assertEquals(output['task_state'], SUCCESS) + self.assertFalse(output['in_progress']) + expected_progress = {'attempted': 3, + 'updated': 2, + 'total': 5, + 'action_name': 'rescored'} + self.assertEquals(output['task_progress'], expected_progress) + + def _test_get_status_from_result(self, task_id, mock_result): + """ + Provides mock result to caller of instructor_task_status, and returns resulting output. + """ + with patch('celery.result.AsyncResult.__new__') as mock_result_ctor: + mock_result_ctor.return_value = mock_result + response = self._get_instructor_task_status(task_id) + output = json.loads(response.content) + self.assertEquals(output['task_id'], task_id) + return output + + def test_get_status_to_pending(self): + # get status for a task that hasn't begun to run yet + instructor_task = self._create_entry() + task_id = instructor_task.task_id + mock_result = Mock() + mock_result.task_id = task_id + mock_result.state = PENDING + output = self._test_get_status_from_result(task_id, mock_result) + for key in ['message', 'succeeded', 'task_progress']: + self.assertTrue(key not in output) + self.assertEquals(output['task_state'], 'PENDING') + self.assertTrue(output['in_progress']) + + def test_update_progress_to_progress(self): + # view task entry for task in progress + instructor_task = self._create_progress_entry() + task_id = instructor_task.task_id + mock_result = Mock() + mock_result.task_id = task_id + mock_result.state = PROGRESS + mock_result.result = {'attempted': 5, + 'updated': 4, + 'total': 10, + 'action_name': 'rescored'} + output = self._test_get_status_from_result(task_id, mock_result) + self.assertEquals(output['message'], "Progress: rescored 4 of 5 so far (out of 10)") + self.assertEquals(output['succeeded'], False) + self.assertEquals(output['task_state'], PROGRESS) + self.assertTrue(output['in_progress']) + self.assertEquals(output['task_progress'], mock_result.result) + + def test_update_progress_to_failure(self): + # view task entry for task in progress that later fails + instructor_task = self._create_progress_entry() + task_id = instructor_task.task_id + mock_result = Mock() + mock_result.task_id = task_id + mock_result.state = FAILURE + mock_result.result = NotImplementedError("This task later failed.") + mock_result.traceback = "random traceback" + output = self._test_get_status_from_result(task_id, mock_result) + self.assertEquals(output['message'], "This task later failed.") + self.assertEquals(output['succeeded'], False) + self.assertEquals(output['task_state'], FAILURE) + self.assertFalse(output['in_progress']) + expected_progress = {'exception': 'NotImplementedError', + 'message': "This task later failed.", + 'traceback': "random traceback"} + self.assertEquals(output['task_progress'], expected_progress) + + def test_update_progress_to_revoked(self): + # view task entry for task in progress that later fails + instructor_task = self._create_progress_entry() + task_id = instructor_task.task_id + mock_result = Mock() + mock_result.task_id = task_id + mock_result.state = REVOKED + output = self._test_get_status_from_result(task_id, mock_result) + self.assertEquals(output['message'], "Task revoked before running") + self.assertEquals(output['succeeded'], False) + self.assertEquals(output['task_state'], REVOKED) + self.assertFalse(output['in_progress']) + expected_progress = {'message': "Task revoked before running"} + self.assertEquals(output['task_progress'], expected_progress) + + def _get_output_for_task_success(self, attempted, updated, total, student=None): + """returns the task_id and the result returned by instructor_task_status().""" + # view task entry for task in progress + instructor_task = self._create_progress_entry(student) + task_id = instructor_task.task_id + mock_result = Mock() + mock_result.task_id = task_id + mock_result.state = SUCCESS + mock_result.result = {'attempted': attempted, + 'updated': updated, + 'total': total, + 'action_name': 'rescored'} + output = self._test_get_status_from_result(task_id, mock_result) + return output + + def test_update_progress_to_success(self): + output = self._get_output_for_task_success(10, 8, 10) + self.assertEquals(output['message'], "Problem rescored for 8 of 10 students") + self.assertEquals(output['succeeded'], False) + self.assertEquals(output['task_state'], SUCCESS) + self.assertFalse(output['in_progress']) + expected_progress = {'attempted': 10, + 'updated': 8, + 'total': 10, + 'action_name': 'rescored'} + self.assertEquals(output['task_progress'], expected_progress) + + def test_success_messages(self): + output = self._get_output_for_task_success(0, 0, 10) + self.assertEqual(output['message'], "Unable to find any students with submissions to be rescored (out of 10)") + self.assertFalse(output['succeeded']) + + output = self._get_output_for_task_success(10, 0, 10) + self.assertEqual(output['message'], "Problem failed to be rescored for any of 10 students") + self.assertFalse(output['succeeded']) + + output = self._get_output_for_task_success(10, 8, 10) + self.assertEqual(output['message'], "Problem rescored for 8 of 10 students") + self.assertFalse(output['succeeded']) + + output = self._get_output_for_task_success(9, 8, 10) + self.assertEqual(output['message'], "Problem rescored for 8 of 9 students (out of 10)") + self.assertFalse(output['succeeded']) + + output = self._get_output_for_task_success(10, 10, 10) + self.assertEqual(output['message'], "Problem successfully rescored for 10 students") + self.assertTrue(output['succeeded']) + + output = self._get_output_for_task_success(0, 0, 1, student=self.student) + self.assertTrue("Unable to find submission to be rescored for student" in output['message']) + self.assertFalse(output['succeeded']) + + output = self._get_output_for_task_success(1, 0, 1, student=self.student) + self.assertTrue("Problem failed to be rescored for student" in output['message']) + self.assertFalse(output['succeeded']) + + output = self._get_output_for_task_success(1, 1, 1, student=self.student) + self.assertTrue("Problem successfully rescored for student" in output['message']) + self.assertTrue(output['succeeded']) + + def test_get_info_for_queuing_task(self): + # get status for a task that is still running: + instructor_task = self._create_entry() + succeeded, message = get_task_completion_info(instructor_task) + self.assertFalse(succeeded) + self.assertEquals(message, "No status information available") + + def test_get_info_for_missing_output(self): + # check for missing task_output + instructor_task = self._create_success_entry() + instructor_task.task_output = None + succeeded, message = get_task_completion_info(instructor_task) + self.assertFalse(succeeded) + self.assertEquals(message, "No status information available") + + def test_get_info_for_broken_output(self): + # check for non-JSON task_output + instructor_task = self._create_success_entry() + instructor_task.task_output = "{ bad" + succeeded, message = get_task_completion_info(instructor_task) + self.assertFalse(succeeded) + self.assertEquals(message, "No parsable status information available") + + def test_get_info_for_empty_output(self): + # check for JSON task_output with missing keys + instructor_task = self._create_success_entry() + instructor_task.task_output = "{}" + succeeded, message = get_task_completion_info(instructor_task) + self.assertFalse(succeeded) + self.assertEquals(message, "No progress status information available") + + def test_get_info_for_broken_input(self): + # check for non-JSON task_input, but then just ignore it + instructor_task = self._create_success_entry() + instructor_task.task_input = "{ bad" + succeeded, message = get_task_completion_info(instructor_task) + self.assertFalse(succeeded) + self.assertEquals(message, "Problem rescored for 2 of 3 students (out of 5)") + diff --git a/lms/djangoapps/instructor_task/views.py b/lms/djangoapps/instructor_task/views.py index ba95b7a22f..d0d9cb4454 100644 --- a/lms/djangoapps/instructor_task/views.py +++ b/lms/djangoapps/instructor_task/views.py @@ -39,7 +39,7 @@ def instructor_task_status(request): 'message': on complete tasks, status message reporting on final progress, or providing exception message if failed. For tasks in progress, indicates the current progress. - 'succeeded': on complete tasks or tasks in progress, indicates if the + 'succeeded': on complete tasks or tasks in progress, boolean value indicates if the task outcome was successful: did it achieve what it set out to do. This is in contrast with a successful task_state, which indicates that the task merely completed. @@ -125,10 +125,10 @@ def get_task_completion_info(instructor_task): log.warning(fmt.format(instructor_task.task_id, instructor_task.task_output)) return (succeeded, "No progress status information available") - action_name = task_output.get('action_name') - num_attempted = task_output.get('attempted') - num_updated = task_output.get('updated') - num_total = task_output.get('total') + action_name = task_output['action_name'] + num_attempted = task_output['attempted'] + num_updated = task_output['updated'] + num_total = task_output['total'] student = None try: diff --git a/lms/static/js/pending_tasks.js b/lms/static/js/pending_tasks.js new file mode 100644 index 0000000000..ebeb896efa --- /dev/null +++ b/lms/static/js/pending_tasks.js @@ -0,0 +1,100 @@ +// Define an InstructorTaskProgress object for updating a table on the instructor +// dashboard that shows the current background tasks that are currently running +// for the instructor's course. Any tasks that were running when the page is +// first displayed are passed in as instructor_tasks, and populate the "Pending Instructor +// Task" table. The InstructorTaskProgress is bound to this table, and periodically +// polls the LMS to see if any of the tasks has completed. Once a task is complete, +// it is not included in any further polling. + +(function() { + + var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; }; + + this.InstructorTaskProgress = (function() { + + function InstructorTaskProgress(element) { + this.update_progress = __bind(this.update_progress, this); + this.get_status = __bind(this.get_status, this); + this.element = element; + this.entries = $(element).find('.task-progress-entry') + if (window.queuePollerID) { + window.clearTimeout(window.queuePollerID); + } + // Hardcode the initial delay before the first refresh to one second: + window.queuePollerID = window.setTimeout(this.get_status, 1000); + } + + InstructorTaskProgress.prototype.$ = function(selector) { + return $(selector, this.element); + }; + + InstructorTaskProgress.prototype.update_progress = function(response) { + var _this = this; + // Response should be a dict with an entry for each requested task_id, + // with a "task-state" and "in_progress" key and optionally a "message" + // and a "task_progress.duration" key. + var something_in_progress = false; + for (task_id in response) { + var task_dict = response[task_id]; + // find the corresponding entry, and update it: + entry = $(_this.element).find('[data-task-id="' + task_id + '"]'); + entry.find('.task-state').text(task_dict.task_state) + var duration_value = (task_dict.task_progress && task_dict.task_progress.duration_ms + && Math.round(task_dict.task_progress.duration_ms/1000)) || 'unknown'; + entry.find('.task-duration').text(duration_value); + var progress_value = task_dict.message || ''; + entry.find('.task-progress').text(progress_value); + // if the task is complete, then change the entry so it won't + // be queried again. Otherwise set a flag. + if (task_dict.in_progress === true) { + something_in_progress = true; + } else { + entry.data('inProgress', "False") + } + } + + // if some entries are still incomplete, then repoll: + // Hardcode the refresh interval to be every five seconds. + // TODO: allow the refresh interval to be set. (And if it is disabled, + // then don't set the timeout at all.) + if (something_in_progress) { + window.queuePollerID = window.setTimeout(_this.get_status, 5000); + } else { + delete window.queuePollerID; + } + } + + InstructorTaskProgress.prototype.get_status = function() { + var _this = this; + var task_ids = []; + + // Construct the array of ids to get status for, by + // including the subset of entries that are still in progress. + this.entries.each(function(idx, element) { + var task_id = $(element).data('taskId'); + var in_progress = $(element).data('inProgress'); + if (in_progress="True") { + task_ids.push(task_id); + } + }); + + // Make call to get status for these ids. + // Note that the keyname here ends up with "[]" being appended + // in the POST parameter that shows up on the Django server. + // TODO: add error handler. + var ajax_url = '/instructor_task_status/'; + var data = {'task_ids': task_ids }; + $.post(ajax_url, data).done(this.update_progress); + }; + + return InstructorTaskProgress; + })(); + +}).call(this); + +// once the page is rendered, create the progress object +var instructorTaskProgress; +$(document).ready(function() { + instructorTaskProgress = new InstructorTaskProgress($('#task-progress-wrapper')); +}); + diff --git a/lms/templates/courseware/instructor_dashboard.html b/lms/templates/courseware/instructor_dashboard.html index ea78cca791..19c6cef70b 100644 --- a/lms/templates/courseware/instructor_dashboard.html +++ b/lms/templates/courseware/instructor_dashboard.html @@ -9,112 +9,9 @@ - %if instructor_tasks is not None: - + > %endif - <%include file="/courseware/course_navigation.html" args="active_page='instructor'" /> @@ -304,7 +201,7 @@ function goto( mode)

Specify a particular problem in the course here by its url: - +

You may use just the "urlname" if a problem, or "modulename/urlname" if not. @@ -360,7 +257,7 @@ function goto( mode) %if instructor_access:

You may also delete the entire state of a student for the specified module: - +

%endif %if settings.MITX_FEATURES.get('ENABLE_COURSE_BACKGROUND_TASKS'): From 02626ffda7eb604a0459a84f25110afbdb298bce Mon Sep 17 00:00:00 2001 From: David Baumgold Date: Tue, 18 Jun 2013 11:27:13 -0400 Subject: [PATCH 44/51] Removed unused test code --- cms/static/coffee/spec/views/feedback_spec.coffee | 1 - 1 file changed, 1 deletion(-) diff --git a/cms/static/coffee/spec/views/feedback_spec.coffee b/cms/static/coffee/spec/views/feedback_spec.coffee index 61c5652ff3..a3950c0b3c 100644 --- a/cms/static/coffee/spec/views/feedback_spec.coffee +++ b/cms/static/coffee/spec/views/feedback_spec.coffee @@ -133,7 +133,6 @@ describe "CMS.Views.Notification minShown and maxShown", -> @clock = sinon.useFakeTimers() afterEach -> - delete CMS.Views.Notification.active; @clock.restore() it "a minShown view should not hide too quickly", -> From 54cb64a2c6708db61aaa1f05621860f60d709a9b Mon Sep 17 00:00:00 2001 From: Chris Dodge Date: Tue, 18 Jun 2013 11:37:50 -0400 Subject: [PATCH 45/51] actually, seems like if we remove it from PIPELINE_JS then it doesn't work in production --- cms/envs/common.py | 3 ++- cms/templates/asset_index.html | 1 - 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/cms/envs/common.py b/cms/envs/common.py index 7b9c0c52e4..8551a56c41 100644 --- a/cms/envs/common.py +++ b/cms/envs/common.py @@ -238,7 +238,8 @@ PIPELINE_JS = { ) + ['js/hesitate.js', 'js/base.js', 'js/models/feedback.js', 'js/views/feedback.js', 'js/models/section.js', 'js/views/section.js', - 'js/models/metadata_model.js', 'js/views/metadata_editor_view.js'], + 'js/models/metadata_model.js', 'js/views/metadata_editor_view.js', + 'js/views/assets.js'], 'output_filename': 'js/cms-application.js', 'test_order': 0 }, diff --git a/cms/templates/asset_index.html b/cms/templates/asset_index.html index e8dc523ba7..0006d29d38 100644 --- a/cms/templates/asset_index.html +++ b/cms/templates/asset_index.html @@ -8,7 +8,6 @@ <%block name="jsextra"> - + +
${hname}${hname | h}
Requester Submitted Task StateDuration (ms)Duration (sec) Task Progress