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Count & compare db hits between old and split mongo

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LMS-11090
This commit is contained in:
Don Mitchell
2014-07-23 14:59:38 -04:00
parent 37c873db90
commit 1c17e05608
2 changed files with 198 additions and 69 deletions
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53
common/lib/xmodule/xmodule/modulestore/tests/factories.py
View File

@@ -9,7 +9,7 @@ from xblock.core import XBlock
from xmodule.tabs import StaticTab
from decorator import contextmanager
from mock import Mock, patch
from nose.tools import assert_less_equal, assert_greater_equal
from nose.tools import assert_less_equal, assert_greater_equal, assert_equal
class Dummy(object):
@@ -259,18 +259,49 @@ def check_mongo_calls(mongo_store, num_finds=0, num_sends=None):
of calls to send_message which is for insert, update, and remove (if you provide num_sends). At the
end of the with statement, it compares the counts to the num_finds and num_sends.
:param mongo_store: the MongoModulestore or subclass to watch
:param mongo_store: the MongoModulestore or subclass to watch or a SplitMongoModuleStore
:param num_finds: the exact number of find calls expected
:param num_sends: If none, don't instrument the send calls. If non-none, count and compare to
the given int value.
"""
with check_exact_number_of_calls(mongo_store.collection, mongo_store.collection.find, num_finds):
if num_sends:
with check_exact_number_of_calls(
mongo_store.database.connection,
mongo_store.database.connection._send_message, # pylint: disable=protected-access
num_sends,
):
if mongo_store.get_modulestore_type() == ModuleStoreEnum.Type.mongo:
with check_exact_number_of_calls(mongo_store.collection, mongo_store.collection.find, num_finds):
if num_sends:
with check_exact_number_of_calls(
mongo_store.database.connection,
mongo_store.database.connection._send_message, # pylint: disable=protected-access
num_sends,
):
yield
else:
yield
else:
yield
elif mongo_store.get_modulestore_type() == ModuleStoreEnum.Type.split:
collections = [
mongo_store.db_connection.course_index,
mongo_store.db_connection.structures,
mongo_store.db_connection.definitions,
]
# could add else clause which raises exception or just rely on the below to suss that out
try:
find_wraps = []
wrap_patches = []
for collection in collections:
find_wrap = Mock(wraps=collection.find)
find_wraps.append(find_wrap)
wrap_patch = patch.object(collection, 'find', find_wrap)
wrap_patches.append(wrap_patch)
wrap_patch.start()
if num_sends:
connection = mongo_store.db_connection.database.connection
with check_exact_number_of_calls(
connection,
connection._send_message, # pylint: disable=protected-access
num_sends,
):
yield
else:
yield
finally:
map(lambda wrap_patch: wrap_patch.stop(), wrap_patches)
call_count = sum([find_wrap.call_count for find_wrap in find_wraps])
assert_equal(call_count, num_finds)

214
common/lib/xmodule/xmodule/modulestore/tests/test_mixed_modulestore.py
View File

@@ -19,6 +19,7 @@ from opaque_keys.edx.locator import BlockUsageLocator, CourseLocator
# before importing the module
# TODO remove this import and the configuration -- xmodule should not depend on django!
from django.conf import settings
from xmodule.modulestore.tests.factories import check_mongo_calls
if not settings.configured:
settings.configure()
from xmodule.modulestore.mixed import MixedModuleStore
@@ -246,49 +247,76 @@ class TestMixedModuleStore(unittest.TestCase):
SlashSeparatedCourseKey('foo', 'bar', '2012_Fall')), mongo_ms_type
)
@ddt.data('draft', 'split')
def test_has_item(self, default_ms):
# split has one lookup for the course and then one for the course items
@ddt.data(('draft', 1, 0), ('split', 2, 0))
@ddt.unpack
def test_has_item(self, default_ms, max_find, max_send):
self.initdb(default_ms)
for course_locn in self.course_locations.itervalues(): # pylint: disable=maybe-no-member
self.assertTrue(self.store.has_item(course_locn))
self._create_block_hierarchy()
self.assertTrue(self.store.has_item(self.course_locations[self.XML_COURSEID1]))
mongo_store = self.store._get_modulestore_for_courseid(self._course_key_from_string(self.MONGO_COURSEID))
with check_mongo_calls(mongo_store, max_find, max_send):
self.assertTrue(self.store.has_item(self.problem_x1a_1))
# try negative cases
self.assertFalse(self.store.has_item(
self.course_locations[self.XML_COURSEID1].replace(name='not_findable', category='problem')
))
self.assertFalse(self.store.has_item(self.fake_location))
with check_mongo_calls(mongo_store, max_find, max_send):
self.assertFalse(self.store.has_item(self.fake_location))
# verify that an error is raised when the revision is not valid
with self.assertRaises(UnsupportedRevisionError):
self.store.has_item(self.fake_location, revision=ModuleStoreEnum.RevisionOption.draft_preferred)
@ddt.data('draft', 'split')
def test_get_item(self, default_ms):
# draft is 2 to compute inheritance
# split is 2 (would be 3 on course b/c it looks up the wiki_slug in definitions)
@ddt.data(('draft', 2, 0), ('split', 2, 0))
@ddt.unpack
def test_get_item(self, default_ms, max_find, max_send):
self.initdb(default_ms)
for course_locn in self.course_locations.itervalues(): # pylint: disable=maybe-no-member
self.assertIsNotNone(self.store.get_item(course_locn))
self._create_block_hierarchy()
self.assertIsNotNone(self.store.get_item(self.course_locations[self.XML_COURSEID1]))
mongo_store = self.store._get_modulestore_for_courseid(self._course_key_from_string(self.MONGO_COURSEID))
with check_mongo_calls(mongo_store, max_find, max_send):
self.assertIsNotNone(self.store.get_item(self.problem_x1a_1))
# try negative cases
with self.assertRaises(ItemNotFoundError):
self.store.get_item(
self.course_locations[self.XML_COURSEID1].replace(name='not_findable', category='problem')
)
with self.assertRaises(ItemNotFoundError):
self.store.get_item(self.fake_location)
with check_mongo_calls(mongo_store, max_find, max_send):
with self.assertRaises(ItemNotFoundError):
self.store.get_item(self.fake_location)
# verify that an error is raised when the revision is not valid
with self.assertRaises(UnsupportedRevisionError):
self.store.get_item(self.fake_location, revision=ModuleStoreEnum.RevisionOption.draft_preferred)
@ddt.data('draft', 'split')
def test_get_items(self, default_ms):
# compared to get_item for the course, draft asks for both draft and published
@ddt.data(('draft', 8, 0), ('split', 2, 0))
@ddt.unpack
def test_get_items(self, default_ms, max_find, max_send):
self.initdb(default_ms)
for course_locn in self.course_locations.itervalues(): # pylint: disable=maybe-no-member
locn = course_locn.course_key
self._create_block_hierarchy()
course_locn = self.course_locations[self.XML_COURSEID1]
# NOTE: use get_course if you just want the course. get_items is expensive
modules = self.store.get_items(course_locn.course_key, category='course')
self.assertEqual(len(modules), 1)
self.assertEqual(modules[0].location, course_locn)
mongo_store = self.store._get_modulestore_for_courseid(self._course_key_from_string(self.MONGO_COURSEID))
course_locn = self.course_locations[self.MONGO_COURSEID]
with check_mongo_calls(mongo_store, max_find, max_send):
# NOTE: use get_course if you just want the course. get_items is expensive
modules = self.store.get_items(locn, category='course')
self.assertEqual(len(modules), 1)
self.assertEqual(modules[0].location, course_locn)
modules = self.store.get_items(course_locn.course_key, category='problem')
self.assertEqual(len(modules), 6)
# verify that an error is raised when the revision is not valid
with self.assertRaises(UnsupportedRevisionError):
@@ -297,26 +325,35 @@ class TestMixedModuleStore(unittest.TestCase):
revision=ModuleStoreEnum.RevisionOption.draft_preferred
)
@ddt.data('draft', 'split')
def test_update_item(self, default_ms):
# draft: 2 to look in draft and then published and then 5 for updating ancestors.
# split: 3 to get the course structure & the course definition (show_calculator is scope content)
# before the change. 1 during change to refetch the definition. 3 afterward (b/c it calls get_item to return the "new" object).
# 2 sends to update index & structure (calculator is a setting field)
@ddt.data(('draft', 7, 5), ('split', 7, 2))
@ddt.unpack
def test_update_item(self, default_ms, max_find, max_send):
"""
Update should fail for r/o dbs and succeed for r/w ones
"""
self.initdb(default_ms)
self._create_block_hierarchy()
course = self.store.get_course(self.course_locations[self.XML_COURSEID1].course_key)
# if following raised, then the test is really a noop, change it
self.assertFalse(course.show_calculator, "Default changed making test meaningless")
course.show_calculator = True
with self.assertRaises(NotImplementedError): # ensure it doesn't allow writing
self.store.update_item(course, self.user_id)
# now do it for a r/w db
course = self.store.get_course(self.course_locations[self.MONGO_COURSEID].course_key)
mongo_store = self.store._get_modulestore_for_courseid(self._course_key_from_string(self.MONGO_COURSEID))
problem = self.store.get_item(self.problem_x1a_1)
# if following raised, then the test is really a noop, change it
self.assertFalse(course.show_calculator, "Default changed making test meaningless")
course.show_calculator = True
self.store.update_item(course, self.user_id)
course = self.store.get_course(self.course_locations[self.MONGO_COURSEID].course_key)
self.assertTrue(course.show_calculator)
self.assertNotEqual(problem.max_attempts, 2, "Default changed making test meaningless")
problem.max_attempts = 2
with check_mongo_calls(mongo_store, max_find, max_send):
problem = self.store.update_item(problem, self.user_id)
self.assertEqual(problem.max_attempts, 2, "Update didn't persist")
@ddt.data('draft', 'split')
def test_has_changes_direct_only(self, default_ms):
@@ -374,20 +411,33 @@ class TestMixedModuleStore(unittest.TestCase):
self.store.publish(component.location, self.user_id)
self.assertFalse(self.store.has_changes(component.location))
@ddt.data('draft', 'split')
def test_delete_item(self, default_ms):
@ddt.data(('draft', 7, 2), ('split', 3, 2))
@ddt.unpack
def test_delete_item(self, default_ms, max_find, max_send):
"""
Delete should reject on r/o db and work on r/w one
"""
self.initdb(default_ms)
# r/o try deleting the chapter (is here to ensure it can't be deleted)
with self.assertRaises(NotImplementedError):
self.store.delete_item(self.xml_chapter_location, self.user_id)
self.store.delete_item(self.writable_chapter_location, self.user_id)
mongo_store = self.store._get_modulestore_for_courseid(self._course_key_from_string(self.MONGO_COURSEID))
with check_mongo_calls(mongo_store, max_find, max_send):
self.store.delete_item(self.writable_chapter_location, self.user_id)
# verify it's gone
with self.assertRaises(ItemNotFoundError):
self.store.get_item(self.writable_chapter_location)
@ddt.data(('draft', 8, 2), ('split', 3, 2))
@ddt.unpack
def test_delete_private_vertical(self, default_ms, max_find, max_send):
"""
Because old mongo treated verticals as the first layer which could be draft, it has some interesting
behavioral properties which this deletion test gets at.
"""
self.initdb(default_ms)
# create and delete a private vertical with private children
private_vert = self.store.create_child(
# don't use course_location as it may not be the repr
@@ -411,9 +461,10 @@ class TestMixedModuleStore(unittest.TestCase):
course = self.store.get_course(self.course_locations[self.MONGO_COURSEID].course_key, 0)
self.assertIn(vert_loc, course.children)
# update the component to force it to draft w/o forcing the unit to draft
# delete the vertical and ensure the course no longer points to it
self.store.delete_item(vert_loc, self.user_id)
mongo_store = self.store._get_modulestore_for_courseid(self._course_key_from_string(self.MONGO_COURSEID))
with check_mongo_calls(mongo_store, max_find, max_send):
self.store.delete_item(vert_loc, self.user_id)
course = self.store.get_course(self.course_locations[self.MONGO_COURSEID].course_key, 0)
if hasattr(private_vert.location, 'version_guid'):
# change to the HEAD version
@@ -426,6 +477,14 @@ class TestMixedModuleStore(unittest.TestCase):
self.assertFalse(self.store.has_item(leaf_loc))
self.assertNotIn(vert_loc, course.children)
@ddt.data(('draft', 4, 1), ('split', 3, 2))
@ddt.unpack
def test_delete_draft_vertical(self, default_ms, max_find, max_send):
"""
Test deleting a draft vertical which has a published version.
"""
self.initdb(default_ms)
# reproduce bug STUD-1965
# create and delete a private vertical with private children
private_vert = self.store.create_child(
@@ -447,14 +506,19 @@ class TestMixedModuleStore(unittest.TestCase):
self.store.publish(private_vert.location.version_agnostic(), self.user_id)
private_leaf.display_name = 'change me'
private_leaf = self.store.update_item(private_leaf, self.user_id)
mongo_store = self.store._get_modulestore_for_courseid(self._course_key_from_string(self.MONGO_COURSEID))
# test succeeds if delete succeeds w/o error
self.store.delete_item(private_leaf.location, self.user_id)
with check_mongo_calls(mongo_store, max_find, max_send):
self.store.delete_item(private_leaf.location, self.user_id)
@ddt.data('draft', 'split')
def test_get_courses(self, default_ms):
@ddt.data(('draft', 3, 0), ('split', 6, 0))
@ddt.unpack
def test_get_courses(self, default_ms, max_find, max_send):
self.initdb(default_ms)
# we should have 3 total courses across all stores
courses = self.store.get_courses()
mongo_store = self.store._get_modulestore_for_courseid(self._course_key_from_string(self.MONGO_COURSEID))
with check_mongo_calls(mongo_store, max_find, max_send):
courses = self.store.get_courses()
course_ids = [
course.location.version_agnostic()
if hasattr(course.location, 'version_agnostic') else course.location
@@ -489,20 +553,39 @@ class TestMixedModuleStore(unittest.TestCase):
with self.assertRaises(AttributeError):
xml_store.create_course("org", "course", "run", self.user_id)
@ddt.data('draft', 'split')
def test_get_course(self, default_ms):
# draft is 2 to compute inheritance
# split is 3 b/c it gets the definition to check whether wiki is set
@ddt.data(('draft', 2, 0), ('split', 3, 0))
@ddt.unpack
def test_get_course(self, default_ms, max_find, max_send):
"""
This test is here for the performance comparison not functionality. It tests the performance
of getting an item whose scope.content fields are looked at.
"""
self.initdb(default_ms)
for course_location in self.course_locations.itervalues(): # pylint: disable=maybe-no-member
# NOTE: use get_course if you just want the course. get_items is expensive
course = self.store.get_course(course_location.course_key)
self.assertIsNotNone(course)
self.assertEqual(course.id, course_location.course_key)
mongo_store = self.store._get_modulestore_for_courseid(self._course_key_from_string(self.MONGO_COURSEID))
with check_mongo_calls(mongo_store, max_find, max_send):
course = self.store.get_item(self.course_locations[self.MONGO_COURSEID])
self.assertEqual(course.id, self.course_locations[self.MONGO_COURSEID].course_key)
@ddt.data('draft', 'split')
def test_get_parent_locations(self, default_ms):
course = self.store.get_item(self.course_locations[self.XML_COURSEID1])
self.assertEqual(course.id, self.course_locations[self.XML_COURSEID1].course_key)
# notice this doesn't test getting a public item via draft_preferred which draft would have 2 hits (split
# still only 2)
@ddt.data(('draft', 1, 0), ('split', 2, 0))
@ddt.unpack
def test_get_parent_locations(self, default_ms, max_find, max_send):
"""
Test a simple get parent for a direct only category (i.e, always published)
"""
self.initdb(default_ms)
parent = self.store.get_parent_location(self.writable_chapter_location)
self.assertEqual(parent, self.course_locations[self.MONGO_COURSEID])
self._create_block_hierarchy()
mongo_store = self.store._get_modulestore_for_courseid(self._course_key_from_string(self.MONGO_COURSEID))
with check_mongo_calls(mongo_store, max_find, max_send):
parent = self.store.get_parent_location(self.problem_x1a_1)
self.assertEqual(parent, self.vertical_x1a)
parent = self.store.get_parent_location(self.xml_chapter_location)
self.assertEqual(parent, self.course_locations[self.XML_COURSEID1])
@@ -669,8 +752,12 @@ class TestMixedModuleStore(unittest.TestCase):
# It does not discard the child vertical, even though that child is a draft (with no published version)
self.assertEqual(1, len(reverted_parent.children))
@ddt.data('draft', 'split')
def test_get_orphans(self, default_ms):
@ddt.data(('draft', 1, 0), ('split', 2, 0))
@ddt.unpack
def test_get_orphans(self, default_ms, max_find, max_send):
"""
Test finding orphans.
"""
self.initdb(default_ms)
course_id = self.course_locations[self.MONGO_COURSEID].course_key
@@ -700,7 +787,9 @@ class TestMixedModuleStore(unittest.TestCase):
block_id=location.block_id
)
found_orphans = self.store.get_orphans(self.course_locations[self.MONGO_COURSEID].course_key)
mongo_store = self.store._get_modulestore_for_courseid(self._course_key_from_string(self.MONGO_COURSEID))
with check_mongo_calls(mongo_store, max_find, max_send):
found_orphans = self.store.get_orphans(self.course_locations[self.MONGO_COURSEID].course_key)
self.assertEqual(set(found_orphans), set(orphan_locations))
@ddt.data('draft')
@@ -741,8 +830,9 @@ class TestMixedModuleStore(unittest.TestCase):
self.assertEqual(self.user_id, block.subtree_edited_by)
self.assertGreater(datetime.datetime.now(UTC), block.subtree_edited_on)
@ddt.data('draft', 'split')
def test_get_courses_for_wiki(self, default_ms):
@ddt.data(('draft', 1, 0), ('split', 1, 0))
@ddt.unpack
def test_get_courses_for_wiki(self, default_ms, max_find, max_send):
"""
Test the get_courses_for_wiki method
"""
@@ -757,7 +847,9 @@ class TestMixedModuleStore(unittest.TestCase):
self.assertIn(self.course_locations[self.XML_COURSEID2].course_key, wiki_courses)
# Test Mongo wiki
wiki_courses = self.store.get_courses_for_wiki('999')
mongo_store = self.store._get_modulestore_for_courseid(self._course_key_from_string(self.MONGO_COURSEID))
with check_mongo_calls(mongo_store, max_find, max_send):
wiki_courses = self.store.get_courses_for_wiki('999')
self.assertEqual(len(wiki_courses), 1)
self.assertIn(
self.course_locations[self.MONGO_COURSEID].course_key.replace(branch=None), # Branch agnostic
@@ -767,8 +859,9 @@ class TestMixedModuleStore(unittest.TestCase):
self.assertEqual(len(self.store.get_courses_for_wiki('edX.simple.2012_Fall')), 0)
self.assertEqual(len(self.store.get_courses_for_wiki('no_such_wiki')), 0)
@ddt.data('draft', 'split')
def test_unpublish(self, default_ms):
@ddt.data(('draft', 2, 0), ('split', 5, 0))
@ddt.unpack
def test_unpublish(self, default_ms, max_find, max_send):
"""
Test calling unpublish
"""
@@ -784,7 +877,9 @@ class TestMixedModuleStore(unittest.TestCase):
self.assertIsNotNone(published_xblock)
# unpublish
self.store.unpublish(self.vertical_x1a, self.user_id)
mongo_store = self.store._get_modulestore_for_courseid(self._course_key_from_string(self.MONGO_COURSEID))
with check_mongo_calls(mongo_store, max_find, max_send):
self.store.unpublish(self.vertical_x1a, self.user_id)
with self.assertRaises(ItemNotFoundError):
self.store.get_item(
@@ -799,8 +894,9 @@ class TestMixedModuleStore(unittest.TestCase):
)
self.assertIsNotNone(draft_xblock)
@ddt.data('draft', 'split')
def test_compute_publish_state(self, default_ms):
@ddt.data(('draft', 1, 0), ('split', 4, 0))
@ddt.unpack
def test_compute_publish_state(self, default_ms, max_find, max_send):
"""
Test the compute_publish_state method
"""
@@ -810,7 +906,9 @@ class TestMixedModuleStore(unittest.TestCase):
# start off as Private
item = self.store.create_child(self.user_id, self.writable_chapter_location, 'problem', 'test_compute_publish_state')
item_location = item.location.version_agnostic()
self.assertEquals(self.store.compute_publish_state(item), PublishState.private)
mongo_store = self.store._get_modulestore_for_courseid(self._course_key_from_string(self.MONGO_COURSEID))
with check_mongo_calls(mongo_store, max_find, max_send):
self.assertEquals(self.store.compute_publish_state(item), PublishState.private)
# Private -> Public
self.store.publish(item_location, self.user_id)