412 lines
14 KiB
Python
412 lines
14 KiB
Python
# pylint: disable=missing-docstring
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import datetime
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import os
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import pytz
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from django.conf import settings
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from mock import patch
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from pytz import UTC
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from splinter.exceptions import ElementDoesNotExist
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from selenium.common.exceptions import NoAlertPresentException
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from nose.tools import assert_true, assert_equal, assert_in, assert_is_none
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from lettuce import world, step
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from courseware.tests.factories import InstructorFactory, BetaTesterFactory
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from courseware.access import has_access
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from student.tests.factories import UserFactory
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from common import visit_scenario_item
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TEST_COURSE_NAME = "test_course_a"
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@step('I view the LTI and error is shown$')
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def lti_is_not_rendered(_step):
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# error is shown
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assert world.is_css_present('.error_message', wait_time=0)
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# iframe is not presented
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assert not world.is_css_present('iframe', wait_time=0)
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# link is not presented
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assert not world.is_css_present('.link_lti_new_window', wait_time=0)
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def check_lti_iframe_content(text):
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# inside iframe test content is presented
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location = world.scenario_dict['LTI'].location.html_id()
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iframe_name = 'ltiFrame-' + location
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with world.browser.get_iframe(iframe_name) as iframe:
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# iframe does not contain functions from terrain/ui_helpers.py
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assert iframe.is_element_present_by_css('.result', wait_time=0)
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assert (text == world.retry_on_exception(
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lambda: iframe.find_by_css('.result')[0].text,
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max_attempts=5
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))
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@step('I view the LTI and it is rendered in (.*)$')
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def lti_is_rendered(_step, rendered_in):
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if rendered_in.strip() == 'iframe':
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world.wait_for_present('iframe')
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assert world.is_css_present('iframe', wait_time=2)
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assert not world.is_css_present('.link_lti_new_window', wait_time=0)
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assert not world.is_css_present('.error_message', wait_time=0)
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# iframe is visible
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assert world.css_visible('iframe')
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check_lti_iframe_content("This is LTI tool. Success.")
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elif rendered_in.strip() == 'new page':
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assert not world.is_css_present('iframe', wait_time=2)
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assert world.is_css_present('.link_lti_new_window', wait_time=0)
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assert not world.is_css_present('.error_message', wait_time=0)
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click_and_check_lti_popup()
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else: # incorrect rendered_in parameter
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assert False
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@step('I view the permission alert$')
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def view_lti_permission_alert(_step):
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assert not world.is_css_present('iframe', wait_time=2)
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assert world.is_css_present('.link_lti_new_window', wait_time=0)
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assert not world.is_css_present('.error_message', wait_time=0)
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world.css_find('.link_lti_new_window').first.click()
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alert = world.browser.get_alert()
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assert alert is not None
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assert len(world.browser.windows) == 1
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def check_no_alert():
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"""
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Make sure the alert has gone away.
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Note that the splinter documentation indicates that
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get_alert should return None if no alert is present,
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however that is not the case. Instead a
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NoAlertPresentException is raised.
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"""
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try:
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assert_is_none(world.browser.get_alert())
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except NoAlertPresentException:
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pass
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@step('I accept the permission alert and view the LTI$')
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def accept_lti_permission_alert(_step):
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parent_window = world.browser.current_window # Save the parent window
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# To start with you should only have one window/tab
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assert len(world.browser.windows) == 1
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alert = world.browser.get_alert()
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alert.accept()
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check_no_alert()
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# Give it a few seconds for the LTI window to appear
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world.wait_for(
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lambda _: len(world.browser.windows) == 2,
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timeout=5,
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timeout_msg="Timed out waiting for the LTI window to appear."
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)
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# Verify the LTI window
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check_lti_popup(parent_window)
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@step('I reject the permission alert and do not view the LTI$')
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def reject_lti_permission_alert(_step):
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alert = world.browser.get_alert()
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alert.dismiss()
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check_no_alert()
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assert len(world.browser.windows) == 1
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@step('I view the LTI but incorrect_signature warning is rendered$')
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def incorrect_lti_is_rendered(_step):
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assert world.is_css_present('iframe', wait_time=2)
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assert not world.is_css_present('.link_lti_new_window', wait_time=0)
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assert not world.is_css_present('.error_message', wait_time=0)
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# inside iframe test content is presented
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check_lti_iframe_content("Wrong LTI signature")
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@step('the course has correct LTI credentials with registered (.*)$')
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def set_correct_lti_passport(_step, user='Instructor'):
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coursenum = TEST_COURSE_NAME
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metadata = {
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'lti_passports': ["correct_lti_id:test_client_key:test_client_secret"]
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}
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i_am_registered_for_the_course(coursenum, metadata, user)
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@step('the course has incorrect LTI credentials$')
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def set_incorrect_lti_passport(_step):
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coursenum = TEST_COURSE_NAME
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metadata = {
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'lti_passports': ["test_lti_id:test_client_key:incorrect_lti_secret_key"]
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}
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i_am_registered_for_the_course(coursenum, metadata)
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@step('the course has an LTI component with (.*) fields(?:\:)?$') # , new_page is(.*), graded is(.*)
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def add_correct_lti_to_course(_step, fields):
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category = 'lti'
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metadata = {
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'lti_id': 'correct_lti_id',
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'launch_url': 'http://127.0.0.1:{}/correct_lti_endpoint'.format(settings.LTI_PORT),
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}
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if fields.strip() == 'incorrect_lti_id': # incorrect fields
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metadata.update({
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'lti_id': 'incorrect_lti_id'
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})
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elif fields.strip() == 'correct': # correct fields
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pass
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elif fields.strip() == 'no_launch_url':
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metadata.update({
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'launch_url': u''
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})
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else: # incorrect parameter
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assert False
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if _step.hashes:
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metadata.update(_step.hashes[0])
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world.scenario_dict['LTI'] = world.ItemFactory.create(
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parent_location=world.scenario_dict['SECTION'].location,
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category=category,
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display_name='LTI',
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metadata=metadata,
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)
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setattr(world.scenario_dict['LTI'], 'TEST_BASE_PATH', '{host}:{port}'.format(
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host=world.browser.host,
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port=world.browser.port,
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))
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visit_scenario_item('LTI')
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def create_course_for_lti(course, metadata):
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# First clear the modulestore so we don't try to recreate
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# the same course twice
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# This also ensures that the necessary templates are loaded
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world.clear_courses()
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weight = 0.1
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grading_policy = {
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"GRADER": [
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{
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"type": "Homework",
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"min_count": 1,
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"drop_count": 0,
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"short_label": "HW",
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"weight": weight
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},
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]
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}
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# Create the course
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# We always use the same org and display name,
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# but vary the course identifier (e.g. 600x or 191x)
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world.scenario_dict['COURSE'] = world.CourseFactory.create(
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org='edx',
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number=course,
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display_name='Test Course',
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metadata=metadata,
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grading_policy=grading_policy,
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)
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# Add a section to the course to contain problems
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world.scenario_dict['CHAPTER'] = world.ItemFactory.create(
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parent_location=world.scenario_dict['COURSE'].location,
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category='chapter',
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display_name='Test Chapter',
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)
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world.scenario_dict['SECTION'] = world.ItemFactory.create(
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parent_location=world.scenario_dict['CHAPTER'].location,
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category='sequential',
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display_name='Test Section',
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metadata={'graded': True, 'format': 'Homework'})
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@patch.dict('courseware.access.settings.FEATURES', {'DISABLE_START_DATES': False})
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def i_am_registered_for_the_course(coursenum, metadata, user='Instructor'):
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# Create user
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if user == 'BetaTester':
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# Create the course
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now = datetime.datetime.now(pytz.UTC)
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tomorrow = now + datetime.timedelta(days=5)
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metadata.update({'days_early_for_beta': 5, 'start': tomorrow})
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create_course_for_lti(coursenum, metadata)
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course_descriptor = world.scenario_dict['COURSE']
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# create beta tester
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user = BetaTesterFactory(course_key=course_descriptor.id)
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normal_student = UserFactory()
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instructor = InstructorFactory(course_key=course_descriptor.id)
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assert not has_access(normal_student, 'load', course_descriptor)
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assert has_access(user, 'load', course_descriptor)
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assert has_access(instructor, 'load', course_descriptor)
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else:
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metadata.update({'start': datetime.datetime(1970, 1, 1, tzinfo=UTC)})
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create_course_for_lti(coursenum, metadata)
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course_descriptor = world.scenario_dict['COURSE']
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user = InstructorFactory(course_key=course_descriptor.id)
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# Enroll the user in the course and log them in
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if has_access(user, 'load', course_descriptor):
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world.enroll_user(user, course_descriptor.id)
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world.log_in(username=user.username, password='test')
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def check_lti_popup(parent_window):
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# You should now have 2 browser windows open, the original courseware and the LTI
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windows = world.browser.windows
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assert_equal(len(windows), 2)
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# For verification, iterate through the window titles and make sure that
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# both are there.
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tabs = []
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expected_tabs = [u'LTI | Test Section | {0} Courseware | edX'.format(TEST_COURSE_NAME), u'TEST TITLE']
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for window in windows:
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world.browser.switch_to_window(window)
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tabs.append(world.browser.title)
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assert_equal(tabs, expected_tabs) # pylint: disable=no-value-for-parameter
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# Now verify the contents of the LTI window (which is the 2nd window/tab)
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# Note: The LTI opens in a new browser window, but Selenium sticks with the
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# current window until you explicitly switch to the context of the new one.
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world.browser.switch_to_window(windows[1])
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url = world.browser.url
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basename = os.path.basename(url)
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pathname = os.path.splitext(basename)[0]
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assert_equal(pathname, u'correct_lti_endpoint')
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result = world.css_find('.result').first.text
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assert_equal(result, u'This is LTI tool. Success.')
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world.browser.driver.close() # Close the pop-up window
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world.browser.switch_to_window(parent_window) # Switch to the main window again
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def click_and_check_lti_popup():
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parent_window = world.browser.current_window # Save the parent window
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world.css_find('.link_lti_new_window').first.click()
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check_lti_popup(parent_window)
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@step('visit the LTI component')
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def visit_lti_component(_step):
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visit_scenario_item('LTI')
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@step('I see LTI component (.*) with text "([^"]*)"$')
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def see_elem_text(_step, elem, text):
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selector_map = {
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'progress': '.problem-progress',
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'feedback': '.problem-feedback',
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'module title': '.problem-header',
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'button': '.link_lti_new_window',
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'description': '.lti-description'
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}
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assert_in(elem, selector_map)
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assert_true(world.css_has_text(selector_map[elem], text))
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@step('I see text "([^"]*)"$')
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def check_progress(_step, text):
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assert world.browser.is_text_present(text)
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@step('I see graph with total progress "([^"]*)"$')
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def see_graph(_step, progress):
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selector = 'grade-detail-graph'
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xpath = '//div[@id="{parent}"]//div[text()="{progress}"]'.format(
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parent=selector,
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progress=progress,
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)
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node = world.browser.find_by_xpath(xpath)
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assert node
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@step('I see in the gradebook table that "([^"]*)" is "([^"]*)"$')
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def see_value_in_the_gradebook(_step, label, text):
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table_selector = '.grade-table'
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index = 0
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table_headers = world.css_find('{0} thead th'.format(table_selector))
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for i, element in enumerate(table_headers):
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if element.text.strip() == label:
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index = i
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break
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assert_true(world.css_has_text('{0} tbody td'.format(table_selector), text, index=index))
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@step('I submit answer to LTI (.*) question$')
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def click_grade(_step, version):
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version_map = {
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'1': {'selector': 'submit-button', 'expected_text': 'LTI consumer (edX) responded with XML content'},
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'2': {'selector': 'submit-lti2-button', 'expected_text': 'LTI consumer (edX) responded with HTTP 200'},
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}
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assert_in(version, version_map)
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location = world.scenario_dict['LTI'].location.html_id()
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iframe_name = 'ltiFrame-' + location
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with world.browser.get_iframe(iframe_name) as iframe:
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iframe.find_by_name(version_map[version]['selector']).first.click()
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assert iframe.is_text_present(version_map[version]['expected_text'])
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@step('LTI provider deletes my grade and feedback$')
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def click_delete_button(_step):
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with world.browser.get_iframe(get_lti_frame_name()) as iframe:
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iframe.find_by_name('submit-lti2-delete-button').first.click()
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def get_lti_frame_name():
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location = world.scenario_dict['LTI'].location.html_id()
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return 'ltiFrame-' + location
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@step('I see in iframe that LTI role is (.*)$')
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def check_role(_step, role):
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world.wait_for_present('iframe')
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location = world.scenario_dict['LTI'].location.html_id()
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iframe_name = 'ltiFrame-' + location
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with world.browser.get_iframe(iframe_name) as iframe:
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expected_role = 'Role: ' + role
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role = world.retry_on_exception(
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lambda: iframe.find_by_tag('h5').first.value,
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max_attempts=5,
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ignored_exceptions=ElementDoesNotExist
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)
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assert_equal(expected_role, role)
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@step('I switch to (.*)$')
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def switch_view(_step, view):
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staff_status = world.css_find('#action-preview-select').first.value
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if staff_status != view:
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world.browser.select("select", view)
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world.wait_for_ajax_complete()
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assert_equal(world.css_find('#action-preview-select').first.value, view)
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@step("in the LTI component I do not see (.*)$")
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def check_lti_component_no_elem(_step, text):
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selector_map = {
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'a launch button': '.link_lti_new_window',
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'an provider iframe': '.ltiLaunchFrame',
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'feedback': '.problem-feedback',
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'progress': '.problem-progress',
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}
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assert_in(text, selector_map)
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assert_true(world.is_css_not_present(selector_map[text]))
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