Update acceptance tests to use real duration of YouTube video.

common/djangoapps/terrain/stubs/tests/test_youtube_stub.py

@@ -24,7 +24,11 @@ class StubYouTubeServiceTest(unittest.TestCase):
             self.url + 'test_youtube/OEoXaMPEzfM?v=2&alt=jsonc&callback=callback_func'
         )
 
-        self.assertEqual('callback_func({"data": {"duration": 60, "message": "I\'m youtube.", "id": "OEoXaMPEzfM"}})', response.content)
+        # YouTube metadata for video `OEoXaMPEzfM` states that duration is 116.
+        self.assertEqual(
+            'callback_func({"data": {"duration": 116, "message": "I\'m youtube.", "id": "OEoXaMPEzfM"}})',
+            response.content
+        )
 
     def test_transcript_url_equal(self):
         response = requests.get(

common/djangoapps/terrain/stubs/youtube.py

@@ -98,11 +98,16 @@ class StubYouTubeHandler(StubHttpRequestHandler):
 
         # Construct the response content
         callback = self.get_params['callback']
+        youtube_metadata = json.loads(
+            requests.get(
+                "http://gdata.youtube.com/feeds/api/videos/{id}?v=2&alt=jsonc".format(id=youtube_id)
+            ).text
+        )
         data = OrderedDict({
             'data': OrderedDict({
                 'id': youtube_id,
                 'message': message,
-                'duration': 60 if youtube_id == 'OEoXaMPEzfM' else 77,
+                'duration': youtube_metadata['data']['duration'],
             })
         })
         response = "{cb}({data})".format(cb=callback, data=json.dumps(data))

lms/djangoapps/courseware/features/video.feature

@@ -185,7 +185,10 @@ Feature: LMS.Video component
     And I select the "1.50" speed
     And I reload the page with video
     Then I see "Hi, welcome to Edx." text in the captions
-    And I see duration "1:00"
+    # The 1:56 time is the duration from metadata. 1:54 time is the duration reported
+    # by the video API once the video starts playing. The next step is correct because
+    # "1:56" is the duration in the VCR timer before the video plays.
+    And I see duration "1:56"
 
   # 15
    Scenario: Download button works correctly for non-english transcript in Youtube mode of Video component