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Adds "all_sources" field to Mobile API and video module Course Blocks

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student_view_data.

Added to both places because the iOS app uses both APIs data to provide
downloadable videos.
This commit is contained in:
Jillian Vogel
2017-11-15 13:41:19 +10:30
parent c9c67e0827
commit cdcb4be077
5 changed files with 142 additions and 5 deletions
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86
common/lib/xmodule/xmodule/tests/test_video.py
View File

@@ -798,6 +798,92 @@ class VideoExportTestCase(VideoDescriptorTestBase):
self.assertEqual(xml.get('display_name'), u'\u8fd9\u662f\u6587')
@ddt.ddt
@patch.object(settings, 'FEATURES', create=True, new={
'FALLBACK_TO_ENGLISH_TRANSCRIPTS': False,
})
class VideoDescriptorStudentViewDataTestCase(unittest.TestCase):
"""
Make sure that VideoDescriptor returns the expected student_view_data.
"""
VIDEO_URL_1 = 'http://www.example.com/source_low.mp4'
VIDEO_URL_2 = 'http://www.example.com/source_med.mp4'
VIDEO_URL_3 = 'http://www.example.com/source_high.mp4'
@ddt.data(
# Ensure no extra data is returned if video module configured only for web display.
(
{'only_on_web': True},
{'only_on_web': True},
),
# Ensure that the deprecated `source` attribute is included in the `all_sources` list.
(
{
'only_on_web': False,
'youtube_id_1_0': None,
'source': VIDEO_URL_1,
},
{
'only_on_web': False,
'duration': None,
'transcripts': {},
'encoded_videos': {
'fallback': {'url': VIDEO_URL_1, 'file_size': 0},
},
'all_sources': [VIDEO_URL_1],
},
),
# Ensure that `html5_sources` take precendence over deprecated `source` url
(
{
'only_on_web': False,
'youtube_id_1_0': None,
'source': VIDEO_URL_1,
'html5_sources': [VIDEO_URL_2, VIDEO_URL_3],
},
{
'only_on_web': False,
'duration': None,
'transcripts': {},
'encoded_videos': {
'fallback': {'url': VIDEO_URL_2, 'file_size': 0},
},
'all_sources': [VIDEO_URL_2, VIDEO_URL_3, VIDEO_URL_1],
},
),
# Ensure that YouTube URLs are included in `encoded_videos`, but not `all_sources`.
(
{
'only_on_web': False,
'youtube_id_1_0': 'abc',
'html5_sources': [VIDEO_URL_2, VIDEO_URL_3],
},
{
'only_on_web': False,
'duration': None,
'transcripts': {},
'encoded_videos': {
'fallback': {'url': VIDEO_URL_2, 'file_size': 0},
'youtube': {'url': 'https://www.youtube.com/watch?v=abc', 'file_size': 0},
},
'all_sources': [VIDEO_URL_2, VIDEO_URL_3],
},
),
)
@ddt.unpack
@patch('xmodule.video_module.video_module.is_val_transcript_feature_enabled_for_course')
def test_student_view_data(self, field_data, expected_student_view_data, mock_transcript_feature):
"""
Ensure that student_view_data returns the expected results for video modules.
"""
mock_transcript_feature.return_value = False
descriptor = instantiate_descriptor(**field_data)
descriptor.runtime.course_id = MagicMock()
student_view_data = descriptor.student_view_data()
self.assertEquals(student_view_data, expected_student_view_data)
@ddt.ddt
@patch.object(settings, 'YOUTUBE', create=True, new={
# YouTube JavaScript API

11
common/lib/xmodule/xmodule/video_module/video_module.py
View File

@@ -977,6 +977,11 @@ class VideoDescriptor(VideoFields, VideoTranscriptsMixin, VideoStudioViewHandler
encoded_videos = {}
val_video_data = {}
all_sources = self.html5_sources or []
# `source` is a deprecated field, but we include it for backwards compatibility.
if self.source:
all_sources.append(self.source)
# Check in VAL data first if edx_video_id exists
if self.edx_video_id:
@@ -1008,10 +1013,9 @@ class VideoDescriptor(VideoFields, VideoTranscriptsMixin, VideoStudioViewHandler
# Fall back to other video URLs in the video module if not found in VAL
if not encoded_videos:
video_url = self.html5_sources[0] if self.html5_sources else self.source
if video_url:
if all_sources:
encoded_videos["fallback"] = {
"url": video_url,
"url": all_sources[0],
"file_size": 0, # File size is unknown for fallback URLs
}
@@ -1036,4 +1040,5 @@ class VideoDescriptor(VideoFields, VideoTranscriptsMixin, VideoStudioViewHandler
"duration": val_video_data.get('duration', None),
"transcripts": transcripts,
"encoded_videos": encoded_videos,
"all_sources": all_sources,
}

3
lms/djangoapps/courseware/tests/test_video_mongo.py
View File

@@ -1366,6 +1366,7 @@ class TestVideoDescriptorStudentViewJson(TestCase):
"fallback": {"url": self.TEST_SOURCE_URL, "file_size": 0},
"youtube": {"url": self.TEST_YOUTUBE_EXPECTED_URL, "file_size": 0}
},
"all_sources": [self.TEST_SOURCE_URL],
}
)
@@ -1380,6 +1381,7 @@ class TestVideoDescriptorStudentViewJson(TestCase):
"duration": None,
"transcripts": {self.TEST_LANGUAGE: self.transcript_url},
"encoded_videos": {"youtube": {"url": self.TEST_YOUTUBE_EXPECTED_URL, "file_size": 0}},
"all_sources": [],
}
)
@@ -1397,6 +1399,7 @@ class TestVideoDescriptorStudentViewJson(TestCase):
"only_on_web": False,
"duration": self.TEST_DURATION,
"transcripts": {self.TEST_LANGUAGE: self.transcript_url},
'all_sources': [self.TEST_SOURCE_URL],
}
)

10
lms/djangoapps/mobile_api/video_outlines/serializers.py
View File

@@ -172,6 +172,8 @@ def video_summary(video_profiles, course_id, video_descriptor, request, local_ca
"only_on_web": video_descriptor.only_on_web,
}
all_sources = []
if video_descriptor.only_on_web:
ret = {
"video_url": None,
@@ -180,6 +182,7 @@ def video_summary(video_profiles, course_id, video_descriptor, request, local_ca
"size": 0,
"transcripts": {},
"language": None,
"all_sources": all_sources,
}
ret.update(always_available_data)
return ret
@@ -201,9 +204,13 @@ def video_summary(video_profiles, course_id, video_descriptor, request, local_ca
# Then fall back to VideoDescriptor fields for video URLs
elif video_descriptor.html5_sources:
video_url = video_descriptor.html5_sources[0]
all_sources = video_descriptor.html5_sources
else:
video_url = video_descriptor.source
if video_descriptor.source:
all_sources.append(video_descriptor.source)
# Get duration/size, else default
duration = video_data.get('duration', None)
size = default_encoded_video.get('file_size', 0)
@@ -236,7 +243,8 @@ def video_summary(video_profiles, course_id, video_descriptor, request, local_ca
"size": size,
"transcripts": transcripts,
"language": video_descriptor.get_default_transcript_language(transcripts_info),
"encoded_videos": video_data.get('profiles')
"encoded_videos": video_data.get('profiles'),
"all_sources": all_sources,
}
ret.update(always_available_data)
return ret

37
lms/djangoapps/mobile_api/video_outlines/tests.py
View File

@@ -66,6 +66,7 @@ class TestVideoAPITestCase(MobileAPITestCase):
self.edx_video_id = 'testing-123'
self.video_url = 'http://val.edx.org/val/video.mp4'
self.video_url_high = 'http://val.edx.org/val/video_high.mp4'
self.video_url_low = 'http://val.edx.org/val/video_low.mp4'
self.youtube_url = 'http://val.edx.org/val/youtube.mp4'
self.html5_video_url = 'http://video.edx.org/html5/video.mp4'
@@ -461,7 +462,7 @@ class TestVideoSummaryList(TestVideoAPITestCase, MobileAuthTestMixin, MobileCour
self.assertEqual(course_outline[0]["summary"]["category"], "video")
self.assertTrue(course_outline[0]["summary"]["only_on_web"])
def test_mobile_api_config(self):
def test_mobile_api_video_profiles(self):
"""
Tests VideoSummaryList with different MobileApiConfig video_profiles
"""
@@ -496,6 +497,7 @@ class TestVideoSummaryList(TestVideoAPITestCase, MobileAuthTestMixin, MobileCour
)
expected_output = {
'all_sources': [],
'category': u'video',
'video_thumbnail_url': None,
'language': u'en',
@@ -559,6 +561,39 @@ class TestVideoSummaryList(TestVideoAPITestCase, MobileAuthTestMixin, MobileCour
course_outline[0]['summary'].pop("id")
self.assertEqual(course_outline[0]['summary'], expected_output)
def test_mobile_api_html5_sources(self):
"""
Tests VideoSummaryList without the video pipeline, using fallback HTML5 video URLs
"""
self.login_and_enroll()
descriptor = ItemFactory.create(
parent=self.other_unit,
category="video",
display_name=u"testing html5 sources",
edx_video_id=None,
source=self.video_url_high,
html5_sources=[self.video_url_low],
)
expected_output = {
'all_sources': [self.video_url_low, self.video_url_high],
'category': u'video',
'video_thumbnail_url': None,
'language': u'en',
'id': unicode(descriptor.scope_ids.usage_id),
'name': u'testing html5 sources',
'video_url': self.video_url_low,
'duration': None,
'transcripts': {
'en': 'http://testserver/api/mobile/v0.5/video_outlines/transcripts/{}/testing_html5_sources/en'.format(self.course.id) # pylint: disable=line-too-long
},
'only_on_web': False,
'encoded_videos': None,
'size': 0,
}
course_outline = self.api_response().data
self.assertEqual(course_outline[0]['summary'], expected_output)
def test_video_not_in_val(self):
self.login_and_enroll()
self._create_video_with_subs()