def setUp(self):
super(CourseEngagementVideoMixin, self).setUp()
self.factory = CourseEngagementDataFactory()
self.sections = self.factory.presented_sections
self._patch(
'courses.presenters.engagement.CourseEngagementVideoPresenter.sections',
return_value=self.sections)
self._patch(
'courses.presenters.engagement.CourseEngagementVideoPresenter.section',
return_value=self.sections[0])
self._patch(
'courses.presenters.engagement.CourseEngagementVideoPresenter.subsections',
return_value=self.sections[0]['children'])
self._patch(
'courses.presenters.engagement.CourseEngagementVideoPresenter.subsection',
return_value=self.sections[0]['children'][0])
self._patch(
'courses.presenters.engagement.CourseEngagementVideoPresenter.subsection_children',
return_value=self.sections[0]['children'][0]['children'])
self._patch(
'courses.presenters.engagement.CourseEngagementVideoPresenter.get_video_timeline',
return_value=self.factory.get_presented_video_timeline())
self._patch(
'courses.presenters.engagement.CourseEngagementVideoPresenter.block',
return_value=self.sections[0]['children'][0]['children'][0])
self._patch(
'courses.presenters.engagement.CourseEngagementVideoPresenter.subsection_child',
return_value=self.sections[0]['children'][0]['children'][0])
self.start_patching()
def test_fetch_course_module_data(self, mock_videos):
factory = CourseEngagementDataFactory()
videos = factory.videos()
mock_videos.return_value = videos
self.assertListEqual(self.presenter.fetch_course_module_data(), videos)
mock_videos.side_effect = NoVideosError(course_id=self.course_id)
with self.assertRaises(NoVideosError):
self.presenter.fetch_course_module_data()
def test_get_video_timeline(self, mock_timeline):
factory = CourseEngagementDataFactory()
video_module = {
'pipeline_video_id':
'edX/DemoX/Demo_Course|i4x-edX-DemoX-videoalpha-0b9e39477cf34507a7a48f74be381fdd',
'segment_length': 5,
'duration': None
}
# duration can be null/None
mock_timeline.return_value = factory.get_video_timeline_api_response()
actual_timeline = self.presenter.get_video_timeline(video_module)
expected_timeline = factory.get_presented_video_timeline(duration=495)
self.assertEqual(100, len(actual_timeline))
self.assertTimeline(expected_timeline, actual_timeline)
video_module['duration'] = 499
mock_timeline.return_value = factory.get_video_timeline_api_response()
actual_timeline = self.presenter.get_video_timeline(video_module)
last_segment = expected_timeline[-1].copy()
last_segment.update({
'segment': last_segment['segment'] + 1,
'start_time': video_module['duration']
})
expected_timeline.append(last_segment)
self.assertEqual(101, len(actual_timeline))
self.assertTimeline(expected_timeline, actual_timeline)
video_module['duration'] = 501
expected_timeline[-1].update({
'start_time': 500,
'num_users': 0,
'num_views': 0,
'num_replays': 0
})
last_segment = expected_timeline[-1].copy()
last_segment.update({
'segment': last_segment['segment'] + 1,
'start_time': video_module['duration']
})
expected_timeline.append(last_segment)
mock_timeline.return_value = factory.get_video_timeline_api_response()
actual_timeline = self.presenter.get_video_timeline(video_module)
self.assertEqual(102, len(actual_timeline))
self.assertTimeline(expected_timeline, actual_timeline)
