Studio breaks DEFAULT_COURSE_ABOUT_IMAGE_URL is not set in settings in cms

ECOM-3384

cms/envs/aws.py

@@ -101,6 +101,9 @@ if STATIC_URL_BASE:
         STATIC_URL += "/"
     STATIC_URL += EDX_PLATFORM_REVISION + "/"
 
+# DEFAULT_COURSE_ABOUT_IMAGE_URL specifies the default image to show for courses that don't provide one
+DEFAULT_COURSE_ABOUT_IMAGE_URL = ENV_TOKENS.get('DEFAULT_COURSE_ABOUT_IMAGE_URL', DEFAULT_COURSE_ABOUT_IMAGE_URL)
+
 # GITHUB_REPO_ROOT is the base directory
 # for course data
 GITHUB_REPO_ROOT = ENV_TOKENS.get('GITHUB_REPO_ROOT', GITHUB_REPO_ROOT)

cms/envs/common.py

@@ -56,6 +56,7 @@ from lms.envs.common import (
     # The following setting is included as it is used to check whether to
     # display credit eligibility table on the CMS or not.
     ENABLE_CREDIT_ELIGIBILITY, YOUTUBE_API_KEY,
+    DEFAULT_COURSE_ABOUT_IMAGE_URL,
 
     # Django REST framework configuration
     REST_FRAMEWORK,

lms/djangoapps/instructor/tests/test_api.py

@@ -29,6 +29,7 @@ from nose.tools import raises
 from nose.plugins.attrib import attr
 from opaque_keys.edx.locations import SlashSeparatedCourseKey
 from opaque_keys.edx.locator import UsageKey
+from xmodule.modulestore import ModuleStoreEnum
 
 from course_modes.models import CourseMode
 from courseware.models import StudentModule
@@ -66,6 +67,7 @@ from certificates.tests.factories import GeneratedCertificateFactory
 from certificates.models import CertificateStatuses
 
 from openedx.core.djangoapps.course_groups.cohorts import set_course_cohort_settings
+from openedx.core.lib.xblock_utils import grade_histogram
 
 from .test_tools import msk_from_problem_urlname
 
@@ -3092,6 +3094,7 @@ class TestInstructorAPIRegradeTask(SharedModuleStoreTestCase, LoginEnrollmentTes
 
 @attr('shard_1')
 @patch.dict(settings.FEATURES, {'ENTRANCE_EXAMS': True})
+@ddt.ddt
 class TestEntranceExamInstructorAPIRegradeTask(SharedModuleStoreTestCase, LoginEnrollmentTestCase):
     """
     Test endpoints whereby instructors can rescore student grades,
@@ -3160,6 +3163,29 @@ class TestEntranceExamInstructorAPIRegradeTask(SharedModuleStoreTestCase, LoginE
         )
         self.ee_modules = [ee_module_to_reset1.module_state_key, ee_module_to_reset2.module_state_key]
 
+    @ddt.data(ModuleStoreEnum.Type.split, ModuleStoreEnum.Type.mongo)
+    def test_grade_histogram(self, store):
+        """
+        Verify that a histogram has been created.
+        """
+        course = CourseFactory.create(default_store=store)
+
+        usage_key = course.id.make_usage_key('problem', 'first_problem')
+        StudentModule.objects.create(
+            student_id=1,
+            grade=100,
+            module_state_key=usage_key
+        )
+        StudentModule.objects.create(
+            student_id=2,
+            grade=50,
+            module_state_key=usage_key
+        )
+
+        grades = grade_histogram(usage_key)
+        self.assertEqual(grades[0], (50.0, 1))
+        self.assertEqual(grades[1], (100.0, 1))
+
     def test_reset_entrance_exam_student_attempts_deletall(self):
         """ Make sure no one can delete all students state on entrance exam. """
         url = reverse('reset_student_attempts_for_entrance_exam',

openedx/core/lib/api/tests/test_paginators.py

@@ -107,8 +107,7 @@ class PaginateSearchResultsTestCase(TestCase):
         id_range = get_object_range(page_number, page_size)
         db_objects = [build_mock_object(obj_id) for obj_id in id_range]
         self.mock_model.objects.filter = MagicMock(return_value=db_objects)
-
-        page = paginate_search_results(self.mock_model, self.search_results, self.default_size, 'last')
+        page = paginate_search_results(self.mock_model, self.search_results, page_size, 'last')
 
         self.mock_model.objects.filter.assert_called_with(pk__in=id_range)
         self.assertEquals(db_objects, page.object_list)

openedx/core/lib/block_cache/tests/test_block_cache.py

@@ -3,8 +3,9 @@ Tests for block_cache.py
 """
 
 from django.core.cache import get_cache
+from django.conf import settings
 from mock import patch
-from unittest import TestCase
+from unittest import TestCase, skipUnless
 
 from ..block_cache import get_blocks
 from ..exceptions import TransformerException
@@ -96,6 +97,7 @@ class TestBlockCache(TestCase, ChildrenMapTestMixin):
                 transformers=self.transformers,
             )
 
+    @skipUnless(settings.ROOT_URLCONF == 'lms.urls', 'Test only valid in lms')
     def test_block_caching(self, mock_available_transforms):
         mock_available_transforms.return_value = {transformer.name(): transformer for transformer in self.transformers}
 

openedx/core/lib/tests/test_courses.py

@@ -3,6 +3,8 @@ Tests for functionality in openedx/core/lib/courses.py.
 """
 
 import ddt
+from django.test.utils import override_settings
+
 from xmodule.modulestore import ModuleStoreEnum
 from xmodule.modulestore.tests.factories import CourseFactory
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
@@ -48,12 +50,16 @@ class CourseImageTestCase(ModuleStoreTestCase):
             course_image_url(course)
         )
 
+    @override_settings(DEFAULT_COURSE_ABOUT_IMAGE_URL='test.png')
+    @override_settings(STATIC_URL='static/')
     @ddt.data(ModuleStoreEnum.Type.split, ModuleStoreEnum.Type.mongo)
     def test_empty_image_name(self, default_store):
-        """ Verify that empty image names are cleaned """
-        course_image = u''
-        course = CourseFactory.create(course_image=course_image, default_store=default_store)
+        """
+        Verify that if a course has empty `course_image`, `course_image_url` returns
+        `DEFAULT_COURSE_ABOUT_IMAGE_URL` defined in the settings.
+        """
+        course = CourseFactory.create(course_image='', default_store=default_store)
         self.assertEquals(
-            course_image,
+            'static/test.png',
             course_image_url(course),
         )

openedx/core/lib/tests/test_xblock_utils.py

@@ -173,28 +173,6 @@ class TestXblockUtils(SharedModuleStoreTestCase):
         self.assertIsInstance(test_replace, Fragment)
         self.assertEqual(test_replace.content, anchor_tag)
 
-    @ddt.data('course_mongo', 'course_split')
-    def test_grade_histogram(self, course_id):
-        """
-        Verify that a histogram has been created.
-        """
-        course = getattr(self, course_id)
-        usage_key = course.id.make_usage_key('problem', 'first_problem')
-        StudentModule.objects.create(
-            student_id=1,
-            grade=100,
-            module_state_key=usage_key
-        )
-        StudentModule.objects.create(
-            student_id=2,
-            grade=50,
-            module_state_key=usage_key
-        )
-
-        grades = grade_histogram(usage_key)
-        self.assertEqual(grades[0], (50.0, 1))
-        self.assertEqual(grades[1], (100.0, 1))
-
     def test_sanitize_html_id(self):
         """
         Verify that colons and dashes are replaced.

pavelib/utils/test/suites/nose_suite.py

@@ -150,6 +150,7 @@ class SystemTestSuite(NoseTestSuite):
             " common/djangoapps/*"
             " openedx/core/djangoapps/*"
             " openedx/tests/*"
+            " openedx/core/lib/*"
         )
 
         if self.root in ('lms', 'cms'):