create test cases to simulate error exporting/importing textbooks

cms/djangoapps/contentstore/tests/test_contentstore.py

@@ -220,6 +220,14 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
         num_drafts = self._get_draft_counts(course)
         self.assertEqual(num_drafts, 1)
 
+    def test_import_textbook_as_content_element(self):
+        import_from_xml(modulestore(), 'common/test/data/', ['full'])
+
+        module_store = modulestore('direct')
+        course = module_store.get_item(Location(['i4x', 'edX', 'full', 'course', '6.002_Spring_2012', None]))
+
+        self.assertGreater(len(course.textbooks), 0)
+
     def test_static_tab_reordering(self):
         import_from_xml(modulestore(), 'common/test/data/', ['full'])
 

common/test/data/full/course.xml

-<course filename="6.002_Spring_2012" slug="6.002_Spring_2012" graceperiod="1 day 12 hours 59 minutes 59 seconds" showanswer="attempted" rerandomize="never" name="6.002 Spring 2012" start="2015-07-17T12:00" course="full" org="edX"/>
+<course filename="6.002_Spring_2012" slug="6.002_Spring_2012" graceperiod="1 day 12 hours 59 minutes 59 seconds" showanswer="attempted" rerandomize="never" name="6.002 Spring 2012" start="2015-07-17T12:00" course="full" org="edX" />

common/test/data/full/course/6.002_Spring_2012.xml

-<sequential>
+<course>
+  <textbook title="Textbook" book_url="https://s3.amazonaws.com/edx-textbooks/guttag_computation_v3/"/>
   <chapter filename="Overview" slug="Overview" graceperiod="1 day 12 hours 59 minutes 59 seconds" showanswer="attempted" rerandomize="never" name="Overview"/>
   <chapter filename="Week_1" slug="Week_1" graceperiod="1 day 12 hours 59 minutes 59 seconds" showanswer="attempted" rerandomize="never" name="Week 1"/>
   <chapter slug="Midterm_Exam" graceperiod="1 day 12 hours 59 minutes 59 seconds" showanswer="attempted" rerandomize="never" name="Midterm Exam">
@@ -9,4 +10,4 @@
       <vertical filename="vertical_98" slug="vertical_1124" graceperiod="0 day 0 hours 5 minutes 0 seconds" showanswer="attempted" rerandomize="per_student" due="April 30, 12:00" graded="true"/>
     </sequential>
   </chapter>
-</sequential>
+</course>

lms/djangoapps/courseware/tests/tests.py

@@ -399,6 +399,14 @@ class TestCoursesLoadTestCase_MongoModulestore(PageLoaderTestCase):
         import_from_xml(module_store, TEST_DATA_DIR, ['toy'])
         self.check_random_page_loads(module_store)
 
+    def test_full_textbooks_loads(self):
+        module_store = modulestore()
+        import_from_xml(module_store, TEST_DATA_DIR, ['full'])
+
+        course = module_store.get_item(Location(['i4x', 'edX', 'full', 'course', '6.002_Spring_2012', None]))
+
+        self.assertGreater(len(course.textbooks), 0)
+
 
 @override_settings(MODULESTORE=TEST_DATA_XML_MODULESTORE)
 class TestNavigation(LoginEnrollmentTestCase):