def test_request_cached_with_caches_despite_changing_wrapped_result(self):
        """
        Ensure that after caching a result, we always send it back, even if the underlying result changes.
        """
        RequestCache.clear_request_cache()

        to_be_wrapped = Mock()
        to_be_wrapped.side_effect = [1, 2, 3]
        self.assertEqual(to_be_wrapped.call_count, 0)

        def mock_wrapper(*args, **kwargs):
            """Simple wrapper to let us decorate our mock."""
            return to_be_wrapped(*args, **kwargs)

        wrapped = request_cached(mock_wrapper)
        result = wrapped()
        self.assertEqual(result, 1)
        self.assertEqual(to_be_wrapped.call_count, 1)

        result = wrapped()
        self.assertEqual(result, 1)
        self.assertEqual(to_be_wrapped.call_count, 1)

        direct_result = mock_wrapper()
        self.assertEqual(direct_result, 2)
        self.assertEqual(to_be_wrapped.call_count, 2)

        result = wrapped()
        self.assertEqual(result, 1)
        self.assertEqual(to_be_wrapped.call_count, 2)

        direct_result = mock_wrapper()
        self.assertEqual(direct_result, 3)
        self.assertEqual(to_be_wrapped.call_count, 3)
 def test_setting_override(self, is_enabled, override_choice, expected_result):
     RequestCache.clear_request_cache()
     self.set_waffle_course_override(override_choice, is_enabled)
     override_value = WaffleFlagCourseOverrideModel.override_value(
         self.WAFFLE_TEST_NAME, self.TEST_COURSE_KEY
     )
     self.assertEqual(override_value, expected_result)
Example #3
0
    def test_request_cached_with_caches_despite_changing_wrapped_result(self):
        """
        Ensure that after caching a result, we always send it back, even if the underlying result changes.
        """
        RequestCache.clear_request_cache()

        to_be_wrapped = Mock()
        to_be_wrapped.side_effect = [1, 2, 3]
        self.assertEqual(to_be_wrapped.call_count, 0)

        def mock_wrapper(*args, **kwargs):
            """Simple wrapper to let us decorate our mock."""
            return to_be_wrapped(*args, **kwargs)

        wrapped = request_cached(mock_wrapper)
        result = wrapped()
        self.assertEqual(result, 1)
        self.assertEqual(to_be_wrapped.call_count, 1)

        result = wrapped()
        self.assertEqual(result, 1)
        self.assertEqual(to_be_wrapped.call_count, 1)

        direct_result = mock_wrapper()
        self.assertEqual(direct_result, 2)
        self.assertEqual(to_be_wrapped.call_count, 2)

        result = wrapped()
        self.assertEqual(result, 1)
        self.assertEqual(to_be_wrapped.call_count, 2)

        direct_result = mock_wrapper()
        self.assertEqual(direct_result, 3)
        self.assertEqual(to_be_wrapped.call_count, 3)
    def test_request_cached_mixed_unicode_str_args(self):
        """
        Ensure that request_cached can work with mixed str and Unicode parameters.
        """
        RequestCache.clear_request_cache()

        def dummy_function(arg1, arg2):
            """
            A dummy function that expects an str and unicode arguments.
            """
            assert isinstance(arg1,
                              str), 'First parameter has to be of type `str`'
            assert isinstance(
                arg2, unicode), 'Second parameter has to be of type `unicode`'
            return True

        self.assertTrue(dummy_function('Hello', u'World'),
                        'Should be callable with ASCII chars')
        self.assertTrue(dummy_function('H∂llå', u'Wørld'),
                        'Should be callable with non-ASCII chars')

        wrapped = request_cached(dummy_function)

        self.assertTrue(wrapped('Hello', u'World'),
                        'Wrapper should handle ASCII only chars')
        self.assertTrue(wrapped('H∂llå', u'Wørld'),
                        'Wrapper should handle non-ASCII chars')
    def instrument_course_progress_render(
            self, course_width, enable_ccx, view_as_ccx,
            sql_queries, mongo_reads,
    ):
        """
        Renders the progress page, instrumenting Mongo reads and SQL queries.
        """
        course_key = self.setup_course(course_width, enable_ccx, view_as_ccx)

        # Switch to published-only mode to simulate the LMS
        with self.settings(MODULESTORE_BRANCH='published-only'):
            # Clear all caches before measuring
            for cache in settings.CACHES:
                caches[cache].clear()

            # Refill the metadata inheritance cache
            get_course_in_cache(course_key)

            # We clear the request cache to simulate a new request in the LMS.
            RequestCache.clear_request_cache()

            # Reset the list of provider classes, so that our django settings changes
            # can actually take affect.
            OverrideFieldData.provider_classes = None

            with self.assertNumQueries(sql_queries, using='default', table_blacklist=QUERY_COUNT_TABLE_BLACKLIST):
                with self.assertNumQueries(0, using='student_module_history'):
                    with self.assertMongoCallCount(mongo_reads):
                        with self.assertXBlockInstantiations(1):
                            self.grade_course(course_key)
Example #6
0
    def test_get_template_path(self):
        """
        Tests to make sure the get_template_path function works as expected.
        """
        # if the current site has associated SiteTheme then get_template_path should return the argument as is.
        with patch(
            "openedx.core.djangoapps.theming.helpers.current_request_has_associated_site_theme",
            Mock(return_value=True),
        ):
            with patch(
                "openedx.core.djangoapps.theming.helpers.microsite.is_request_in_microsite",
                Mock(return_value=True),
            ):
                with patch("microsite_configuration.microsite.TEMPLATES_BACKEND") as mock_microsite_backend:
                    mock_microsite_backend.get_template = Mock(return_value="/microsite/about.html")
                    self.assertEqual(theming_helpers.get_template_path("about.html"), "about.html")

        RequestCache.clear_request_cache()

        # if the current site does not have associated SiteTheme then get_template_path should return microsite override
        with patch(
            "openedx.core.djangoapps.theming.helpers.current_request_has_associated_site_theme",
            Mock(return_value=False),
        ):
            with patch(
                "openedx.core.djangoapps.theming.helpers.microsite.is_request_in_microsite",
                Mock(return_value=True),
            ):
                with patch("microsite_configuration.microsite.TEMPLATES_BACKEND") as mock_microsite_backend:
                    mock_microsite_backend.get_template_path = Mock(return_value="/microsite/about.html")
                    self.assertEqual(theming_helpers.get_template_path("about.html"), "/microsite/about.html")
Example #7
0
    def test_request_context_caching(self):
        """
        Test that the RequestContext is cached in the RequestCache.
        """
        with patch('edxmako.request_context.get_current_request',
                   return_value=None):
            # requestcontext should be None, because the cache isn't filled
            self.assertIsNone(get_template_request_context())

        with patch('edxmako.request_context.get_current_request',
                   return_value=self.request):
            # requestcontext should not be None, and should fill the cache
            self.assertIsNotNone(get_template_request_context())

        mock_get_current_request = Mock()
        with patch('edxmako.request_context.get_current_request',
                   mock_get_current_request):
            # requestcontext should not be None, because the cache is filled
            self.assertIsNotNone(get_template_request_context())
        mock_get_current_request.assert_not_called()

        RequestCache.clear_request_cache()

        with patch('edxmako.request_context.get_current_request',
                   return_value=None):
            # requestcontext should be None, because the cache isn't filled
            self.assertIsNone(get_template_request_context())
 def test_setting_override_multiple_times(self):
     RequestCache.clear_request_cache()
     self.set_waffle_course_override(self.OVERRIDE_CHOICES.on)
     self.set_waffle_course_override(self.OVERRIDE_CHOICES.off)
     override_value = WaffleFlagCourseOverrideModel.override_value(
         self.WAFFLE_TEST_NAME, self.TEST_COURSE_KEY
     )
     self.assertEqual(override_value, self.OVERRIDE_CHOICES.off)
def lti_consumer_fields_editing_flag(course_id, enabled_for_course=False):
    """
    Yields CourseEditLTIFieldsEnabledFlag record for unit tests

    Arguments:
        course_id (CourseLocator): course locator to control this feature for.
        enabled_for_course (bool): whether feature is enabled for 'course_id'
    """
    RequestCache.clear_request_cache()
    CourseEditLTIFieldsEnabledFlag.objects.create(course_id=course_id, enabled=enabled_for_course)
    yield
    def assert_access_to_gated_content(self, user):
        """
        Verifies access to gated content for the given user is as expected.
        """
        # clear the request cache to flush any cached access results
        RequestCache.clear_request_cache()

        # access to gating content (seq1) remains constant
        self.assertTrue(bool(has_access(user, 'load', self.seq1, self.course.id)))

        # access to gated content (seq2) remains constant, access is prevented in SeqModule loading
        self.assertTrue(bool(has_access(user, 'load', self.seq2, self.course.id)))
    def assert_access_to_gated_content(self, user):
        """
        Verifies access to gated content for the given user is as expected.
        """
        # clear the request cache to flush any cached access results
        RequestCache.clear_request_cache()

        # access to gating content (seq1) remains constant
        self.assertTrue(
            bool(has_access(user, 'load', self.seq1, self.course.id)))

        # access to gated content (seq2) remains constant, access is prevented in SeqModule loading
        self.assertTrue(
            bool(has_access(user, 'load', self.seq2, self.course.id)))
Example #12
0
def new_assets_page_feature_flags(global_flag,
                                  enabled_for_all_courses=False,
                                  course_id=None,
                                  enabled_for_course=False):
    """
    Most test cases will use a single call to this manager,
    as they need to set the global setting and the course-specific
    setting for a single course.
    """
    RequestCache.clear_request_cache()
    NewAssetsPageFlag.objects.create(
        enabled=global_flag, enabled_for_all_courses=enabled_for_all_courses)
    if course_id:
        CourseNewAssetsPageFlag.objects.create(course_id=course_id,
                                               enabled=enabled_for_course)
    yield
Example #13
0
    def clear_caches(cls):
        """
        Clear all of the caches defined in settings.CACHES.
        """
        # N.B. As of 2016-04-20, Django won't return any caches
        # from django.core.cache.caches.all() that haven't been
        # accessed using caches[name] previously, so we loop
        # over our list of overridden caches, instead.
        for cache in settings.CACHES:
            caches[cache].clear()

        # The sites framework caches in a module-level dictionary.
        # Clear that.
        sites.models.SITE_CACHE.clear()

        RequestCache.clear_request_cache()
Example #14
0
def new_assets_page_feature_flags(
        global_flag,
        enabled_for_all_courses=False,
        course_id=None,
        enabled_for_course=False
):
    """
    Most test cases will use a single call to this manager,
    as they need to set the global setting and the course-specific
    setting for a single course.
    """
    RequestCache.clear_request_cache()
    NewAssetsPageFlag.objects.create(enabled=global_flag, enabled_for_all_courses=enabled_for_all_courses)
    if course_id:
        CourseNewAssetsPageFlag.objects.create(course_id=course_id, enabled=enabled_for_course)
    yield
    def clear_caches(cls):
        """
        Clear all of the caches defined in settings.CACHES.
        """
        # N.B. As of 2016-04-20, Django won't return any caches
        # from django.core.cache.caches.all() that haven't been
        # accessed using caches[name] previously, so we loop
        # over our list of overridden caches, instead.
        for cache in settings.CACHES:
            caches[cache].clear()

        # The sites framework caches in a module-level dictionary.
        # Clear that.
        sites.models.SITE_CACHE.clear()

        RequestCache.clear_request_cache()
Example #16
0
def persistent_grades_feature_flags(global_flag,
                                    enabled_for_all_courses=False,
                                    course_id=None,
                                    enabled_for_course=False):
    """
    Most test cases will use a single call to this manager,
    as they need to set the global setting and the course-specific
    setting for a single course.
    """
    RequestCache.clear_request_cache()
    PersistentGradesEnabledFlag.objects.create(
        enabled=global_flag, enabled_for_all_courses=enabled_for_all_courses)
    if course_id:
        CoursePersistentGradesFlag.objects.create(course_id=course_id,
                                                  enabled=enabled_for_course)
    yield
Example #17
0
def persistent_grades_feature_flags(
        global_flag,
        enabled_for_all_courses=False,
        course_id=None,
        enabled_for_course=False
):
    """
    Most test cases will use a single call to this manager,
    as they need to set the global setting and the course-specific
    setting for a single course.
    """
    RequestCache.clear_request_cache()
    PersistentGradesEnabledFlag.objects.create(enabled=global_flag, enabled_for_all_courses=enabled_for_all_courses)
    if course_id:
        CoursePersistentGradesFlag.objects.create(course_id=course_id, enabled=enabled_for_course)
    yield
Example #18
0
    def test_request_cached_with_changing_kwargs(self):
        """
        Ensure that calling a decorated function with different keyword arguments
        will not use a cached value invoked by a previous call with different arguments.
        """
        RequestCache.clear_request_cache()

        to_be_wrapped = Mock()
        to_be_wrapped.side_effect = [1, 2, 3, 4, 5, 6]
        self.assertEqual(to_be_wrapped.call_count, 0)

        def mock_wrapper(*args, **kwargs):
            """Simple wrapper to let us decorate our mock."""
            return to_be_wrapped(*args, **kwargs)

        wrapped = request_cached(mock_wrapper)

        # This will be a miss, and make an underlying call.
        result = wrapped(1, foo=1)
        self.assertEqual(result, 1)
        self.assertEqual(to_be_wrapped.call_count, 1)

        # This will be a miss, and make an underlying call.
        result = wrapped(2, foo=2)
        self.assertEqual(result, 2)
        self.assertEqual(to_be_wrapped.call_count, 2)

        # This is bypass of the decorator.
        direct_result = mock_wrapper(3, foo=3)
        self.assertEqual(direct_result, 3)
        self.assertEqual(to_be_wrapped.call_count, 3)

        # These will be hits, and not make an underlying call.
        result = wrapped(1, foo=1)
        self.assertEqual(result, 1)
        self.assertEqual(to_be_wrapped.call_count, 3)

        result = wrapped(2, foo=2)
        self.assertEqual(result, 2)
        self.assertEqual(to_be_wrapped.call_count, 3)

        # Since we're changing foo, this will be a miss.
        result = wrapped(2, foo=5)
        self.assertEqual(result, 4)
        self.assertEqual(to_be_wrapped.call_count, 4)
    def test_request_cached_with_changing_kwargs(self):
        """
        Ensure that calling a decorated function with different keyword arguments
        will not use a cached value invoked by a previous call with different arguments.
        """
        RequestCache.clear_request_cache()

        to_be_wrapped = Mock()
        to_be_wrapped.side_effect = [1, 2, 3, 4, 5, 6]
        self.assertEqual(to_be_wrapped.call_count, 0)

        def mock_wrapper(*args, **kwargs):
            """Simple wrapper to let us decorate our mock."""
            return to_be_wrapped(*args, **kwargs)

        wrapped = request_cached(mock_wrapper)

        # This will be a miss, and make an underlying call.
        result = wrapped(1, foo=1)
        self.assertEqual(result, 1)
        self.assertEqual(to_be_wrapped.call_count, 1)

        # This will be a miss, and make an underlying call.
        result = wrapped(2, foo=2)
        self.assertEqual(result, 2)
        self.assertEqual(to_be_wrapped.call_count, 2)

        # This is bypass of the decorator.
        direct_result = mock_wrapper(3, foo=3)
        self.assertEqual(direct_result, 3)
        self.assertEqual(to_be_wrapped.call_count, 3)

        # These will be hits, and not make an underlying call.
        result = wrapped(1, foo=1)
        self.assertEqual(result, 1)
        self.assertEqual(to_be_wrapped.call_count, 3)

        result = wrapped(2, foo=2)
        self.assertEqual(result, 2)
        self.assertEqual(to_be_wrapped.call_count, 3)

        # Since we're changing foo, this will be a miss.
        result = wrapped(2, foo=5)
        self.assertEqual(result, 4)
        self.assertEqual(to_be_wrapped.call_count, 4)
Example #20
0
    def dump_courses_to_neo4j(self, credentials, override_cache=False):
        """
        Method that iterates through a list of courses in a modulestore,
        serializes them, then submits tasks to write them to neo4j.
        Arguments:
            credentials (dict): the necessary credentials to connect
              to neo4j and create a py2neo `Graph` object
            override_cache: serialize the courses even if they'be been recently
                serialized

        Returns: two lists--one of the courses that were successfully written
            to neo4j and one of courses that were not.
        """

        total_number_of_courses = len(self.course_keys)

        submitted_courses = []
        skipped_courses = []

        graph = authenticate_and_create_graph(credentials)

        for index, course_key in enumerate(self.course_keys):
            # first, clear the request cache to prevent memory leaks
            RequestCache.clear_request_cache()

            log.info(
                "Now submitting %s for export to neo4j: course %d of %d total courses",
                course_key,
                index + 1,
                total_number_of_courses,
            )

            if not (override_cache or should_dump_course(course_key, graph)):
                log.info("skipping submitting %s, since it hasn't changed", course_key)
                skipped_courses.append(six.text_type(course_key))
                continue

            dump_course_to_neo4j.apply_async(
                args=[six.text_type(course_key), credentials],
            )
            submitted_courses.append(six.text_type(course_key))

        return submitted_courses, skipped_courses
Example #21
0
    def dump_courses_to_neo4j(self, credentials, override_cache=False):
        """
        Method that iterates through a list of courses in a modulestore,
        serializes them, then submits tasks to write them to neo4j.
        Arguments:
            credentials (dict): the necessary credentials to connect
              to neo4j and create a py2neo `Graph` object
            override_cache: serialize the courses even if they'be been recently
                serialized

        Returns: two lists--one of the courses that were successfully written
            to neo4j and one of courses that were not.
        """

        total_number_of_courses = len(self.course_keys)

        submitted_courses = []
        skipped_courses = []

        graph = authenticate_and_create_graph(credentials)

        for index, course_key in enumerate(self.course_keys):
            # first, clear the request cache to prevent memory leaks
            RequestCache.clear_request_cache()

            log.info(
                "Now submitting %s for export to neo4j: course %d of %d total courses",
                course_key,
                index + 1,
                total_number_of_courses,
            )

            if not (override_cache or should_dump_course(course_key, graph)):
                log.info("skipping submitting %s, since it hasn't changed",
                         course_key)
                skipped_courses.append(six.text_type(course_key))
                continue

            dump_course_to_neo4j.apply_async(
                args=[six.text_type(course_key), credentials], )
            submitted_courses.append(six.text_type(course_key))

        return submitted_courses, skipped_courses
Example #22
0
    def test_request_cached_with_none_result(self):
        """
        Ensure that calling a decorated function that returns None
        properly caches the result and doesn't recall the underlying
        function.
        """
        RequestCache.clear_request_cache()

        to_be_wrapped = Mock()
        to_be_wrapped.side_effect = [None, None, None, 1, 1]
        self.assertEqual(to_be_wrapped.call_count, 0)

        def mock_wrapper(*args, **kwargs):
            """Simple wrapper to let us decorate our mock."""
            return to_be_wrapped(*args, **kwargs)

        wrapped = request_cached(mock_wrapper)

        # This will be a miss, and make an underlying call.
        result = wrapped(1)
        self.assertEqual(result, None)
        self.assertEqual(to_be_wrapped.call_count, 1)

        # This will be a miss, and make an underlying call.
        result = wrapped(2)
        self.assertEqual(result, None)
        self.assertEqual(to_be_wrapped.call_count, 2)

        # This is bypass of the decorator.
        direct_result = mock_wrapper(3)
        self.assertEqual(direct_result, None)
        self.assertEqual(to_be_wrapped.call_count, 3)

        # These will be hits, and not make an underlying call.
        result = wrapped(1)
        self.assertEqual(result, None)
        self.assertEqual(to_be_wrapped.call_count, 3)

        result = wrapped(2)
        self.assertEqual(result, None)
        self.assertEqual(to_be_wrapped.call_count, 3)
    def test_request_cached_with_none_result(self):
        """
        Ensure that calling a decorated function that returns None
        properly caches the result and doesn't recall the underlying
        function.
        """
        RequestCache.clear_request_cache()

        to_be_wrapped = Mock()
        to_be_wrapped.side_effect = [None, None, None, 1, 1]
        self.assertEqual(to_be_wrapped.call_count, 0)

        def mock_wrapper(*args, **kwargs):
            """Simple wrapper to let us decorate our mock."""
            return to_be_wrapped(*args, **kwargs)

        wrapped = request_cached(mock_wrapper)

        # This will be a miss, and make an underlying call.
        result = wrapped(1)
        self.assertEqual(result, None)
        self.assertEqual(to_be_wrapped.call_count, 1)

        # This will be a miss, and make an underlying call.
        result = wrapped(2)
        self.assertEqual(result, None)
        self.assertEqual(to_be_wrapped.call_count, 2)

        # This is bypass of the decorator.
        direct_result = mock_wrapper(3)
        self.assertEqual(direct_result, None)
        self.assertEqual(to_be_wrapped.call_count, 3)

        # These will be hits, and not make an underlying call.
        result = wrapped(1)
        self.assertEqual(result, None)
        self.assertEqual(to_be_wrapped.call_count, 3)

        result = wrapped(2)
        self.assertEqual(result, None)
        self.assertEqual(to_be_wrapped.call_count, 3)
Example #24
0
    def test_request_cached_mixed_unicode_str_args(self):
        """
        Ensure that request_cached can work with mixed str and Unicode parameters.
        """
        RequestCache.clear_request_cache()

        def dummy_function(arg1, arg2):
            """
            A dummy function that expects an str and unicode arguments.
            """
            assert isinstance(arg1, str), 'First parameter has to be of type `str`'
            assert isinstance(arg2, unicode), 'Second parameter has to be of type `unicode`'
            return True

        self.assertTrue(dummy_function('Hello', u'World'), 'Should be callable with ASCII chars')
        self.assertTrue(dummy_function('H∂llå', u'Wørld'), 'Should be callable with non-ASCII chars')

        wrapped = request_cached(dummy_function)

        self.assertTrue(wrapped('Hello', u'World'), 'Wrapper should handle ASCII only chars')
        self.assertTrue(wrapped('H∂llå', u'Wørld'), 'Wrapper should handle non-ASCII chars')
Example #25
0
    def test_request_cached_miss_and_then_hit(self):
        """
        Ensure that after a cache miss, we fill the cache and can hit it.
        """
        RequestCache.clear_request_cache()

        to_be_wrapped = Mock()
        to_be_wrapped.return_value = 42
        self.assertEqual(to_be_wrapped.call_count, 0)

        def mock_wrapper(*args, **kwargs):
            """Simple wrapper to let us decorate our mock."""
            return to_be_wrapped(*args, **kwargs)

        wrapped = request_cached(mock_wrapper)
        result = wrapped()
        self.assertEqual(result, 42)
        self.assertEqual(to_be_wrapped.call_count, 1)

        result = wrapped()
        self.assertEqual(result, 42)
        self.assertEqual(to_be_wrapped.call_count, 1)
    def test_request_cached_miss_and_then_hit(self):
        """
        Ensure that after a cache miss, we fill the cache and can hit it.
        """
        RequestCache.clear_request_cache()

        to_be_wrapped = Mock()
        to_be_wrapped.return_value = 42
        self.assertEqual(to_be_wrapped.call_count, 0)

        def mock_wrapper(*args, **kwargs):
            """Simple wrapper to let us decorate our mock."""
            return to_be_wrapped(*args, **kwargs)

        wrapped = request_cached(mock_wrapper)
        result = wrapped()
        self.assertEqual(result, 42)
        self.assertEqual(to_be_wrapped.call_count, 1)

        result = wrapped()
        self.assertEqual(result, 42)
        self.assertEqual(to_be_wrapped.call_count, 1)
Example #27
0
    def test_request_context_caching(self):
        """
        Test that the RequestContext is cached in the RequestCache.
        """
        with patch('edxmako.request_context.get_current_request', return_value=None):
            # requestcontext should be None, because the cache isn't filled
            self.assertIsNone(get_template_request_context())

        with patch('edxmako.request_context.get_current_request', return_value=self.request):
            # requestcontext should not be None, and should fill the cache
            self.assertIsNotNone(get_template_request_context())

        mock_get_current_request = Mock()
        with patch('edxmako.request_context.get_current_request', mock_get_current_request):
            # requestcontext should not be None, because the cache is filled
            self.assertIsNotNone(get_template_request_context())
        mock_get_current_request.assert_not_called()

        RequestCache.clear_request_cache()

        with patch('edxmako.request_context.get_current_request', return_value=None):
            # requestcontext should be None, because the cache isn't filled
            self.assertIsNone(get_template_request_context())
Example #28
0
    def instrument_course_progress_render(
        self,
        course_width,
        enable_ccx,
        view_as_ccx,
        sql_queries,
        mongo_reads,
    ):
        """
        Renders the progress page, instrumenting Mongo reads and SQL queries.
        """
        course_key = self.setup_course(course_width, enable_ccx, view_as_ccx)

        # Switch to published-only mode to simulate the LMS
        with self.settings(MODULESTORE_BRANCH='published-only'):
            # Clear all caches before measuring
            for cache in settings.CACHES:
                caches[cache].clear()

            # Refill the metadata inheritance cache
            get_course_in_cache(course_key)

            # We clear the request cache to simulate a new request in the LMS.
            RequestCache.clear_request_cache()

            # Reset the list of provider classes, so that our django settings changes
            # can actually take affect.
            OverrideFieldData.provider_classes = None

            with self.assertNumQueries(
                    sql_queries,
                    using='default',
                    table_blacklist=QUERY_COUNT_TABLE_BLACKLIST):
                with self.assertNumQueries(0, using='student_module_history'):
                    with self.assertMongoCallCount(mongo_reads):
                        with self.assertXBlockInstantiations(1):
                            self.grade_course(course_key)
Example #29
0
def invalidate_course_mode_cache(sender, **kwargs):   # pylint: disable=unused-argument
    """Invalidate the cache of course modes. """
    RequestCache.clear_request_cache(name=CourseMode.CACHE_NAMESPACE)
Example #30
0
def invalidate_course_mode_cache(sender, **kwargs):  # pylint: disable=unused-argument
    """Invalidate the cache of course modes. """
    RequestCache.clear_request_cache(name=CourseMode.CACHE_NAMESPACE)
Example #31
0
def invalidate_credit_requirement_cache(sender, **kwargs):  # pylint: disable=unused-argument
    """Invalidate the cache of credit requirements. """
    RequestCache.clear_request_cache(name=CreditRequirement.CACHE_NAMESPACE)
Example #32
0
def invalidate_verified_track_cache(sender, **kwargs):   # pylint: disable=unused-argument
    """Invalidate the cache of VerifiedTrackCohortedCourse. """
    RequestCache.clear_request_cache(name=VerifiedTrackCohortedCourse.CACHE_NAMESPACE)
Example #33
0
 def setUp(self):
     super(TestCourseWaffleFlag, self).setUp()
     request = RequestFactory().request()
     crum.set_current_request(request)
     RequestCache.clear_request_cache()
 def setUp(self):
     super(TestCourseWaffleFlag, self).setUp()
     request = RequestFactory().request()
     crum.set_current_request(request)
     RequestCache.clear_request_cache()
Example #35
0
 def setUp(self):
     super(OverrideWaffleFlagTests, self).setUp()
     request = RequestFactory().request()
     self.addCleanup(crum.set_current_request, None)
     crum.set_current_request(request)
     RequestCache.clear_request_cache()
Example #36
0
def invalidate_verified_track_cache(sender, **kwargs):   # pylint: disable=unused-argument
    """Invalidate the cache of VerifiedTrackCohortedCourse. """
    RequestCache.clear_request_cache(name=VerifiedTrackCohortedCourse.CACHE_NAMESPACE)
Example #37
0
def invalidate_credit_requirement_cache(sender, **kwargs):   # pylint: disable=unused-argument
    """Invalidate the cache of credit requirements. """
    RequestCache.clear_request_cache(name=CreditRequirement.CACHE_NAMESPACE)