Test asset import/export roundtrip w/ lock setting.

cms/djangoapps/contentstore/tests/test_contentstore.py

@@ -170,6 +170,16 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
             resp = self.client.get(reverse('edit_unit', kwargs={'location': descriptor.location.url()}))
             self.assertEqual(resp.status_code, 200)
 
+    def lockAnAsset(self, content_store, course_location):
+        """
+        Lock an arbitrary asset in the course
+        :param course_location:
+        """
+        course_assets = content_store.get_all_content_for_course(course_location)
+        self.assertGreater(len(course_assets), 0, "No assets to lock")
+        content_store.set_attr(course_assets[0]['_id'], 'locked', True)
+        return course_assets[0]['_id']
+
     def test_edit_unit_toy(self):
         self.check_edit_unit('toy')
 
@@ -952,6 +962,11 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
 
         self.assertIn(private_location_no_draft.url(), sequential.children)
 
+        locked_asset = self.lockAnAsset(content_store, location)
+        locked_asset_attrs = content_store.get_attrs(locked_asset)
+        # the later import will reupload
+        del locked_asset_attrs['uploadDate']
+
         print 'Exporting to tempdir = {0}'.format(root_dir)
 
         # export out to a tempdir
@@ -1034,6 +1049,10 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
 
         self.assertGreater(len(course.textbooks), 0)
 
+        new_attrs = content_store.get_attrs(locked_asset)
+        for key, value in locked_asset_attrs.iteritems():
+            self.assertEqual(value, new_attrs[key])
+
         shutil.rmtree(root_dir)
 
     def test_export_course_with_metadata_only_video(self):