def test(
self,
transcode_job_factory,
transcode_profile_name,
source_file_path,
exp_metadata,
mocker,
):
transcode_job = transcode_job_factory(profile=transcode_profile_name)
video_rendition, thumbnails = ffmpeg.transcode(
transcode_job=transcode_job, source_file_path=source_file_path)
# Check video transcoded & persisted
assert isinstance(video_rendition, models.VideoRendition)
assert video_rendition.file
assert video_rendition.name == transcode_profile_name
assert video_rendition.width == exp_metadata['width']
assert video_rendition.height == exp_metadata['height']
assert video_rendition.duration == exp_metadata['duration']
assert video_rendition.framerate == exp_metadata['framerate']
assert video_rendition.audio_codec == exp_metadata['audio_codec']
assert video_rendition.video_codec == exp_metadata['video_codec']
assert video_rendition.codecs_string == exp_metadata['codecs_string']
assert video_rendition.ext == 'webm'
assert video_rendition.container == 'webm'
assert video_rendition.file_size == exp_metadata['file_size']
assert video_rendition.metadata
assert sorted(video_rendition.metadata.keys()) == sorted(
('summary', 'video_stream', 'audio_stream', 'format'))
# Check video is also updated
video = video_rendition.video
assert video.duration == video_rendition.duration
assert video.framerate == video_rendition.framerate
assert video.is_viewable is True
assert video.default_thumbnail_image
assert thumbnails
assert all(
isinstance(t, models.VideoRenditionThumbnail) for t in thumbnails)
# Check thumbnails created
assert thumbnails
for thumbnail_record in thumbnails:
assert isinstance(thumbnail_record, models.VideoRenditionThumbnail)
assert thumbnail_record.time_offset_secs > 0
assert thumbnail_record.file
assert thumbnail_record.file.name.endswith('.jpg')
assert thumbnail_record.ext == 'jpg'
assert thumbnail_record.width == exp_metadata['width']
assert thumbnail_record.height == exp_metadata['height']
assert transcode_job.status == 'completed'
assert transcode_job.ended_on
# Check Segments were created
assert video_rendition.videorenditionsegment_set.count() > 0
for segment in video_rendition.videorenditionsegment_set.all():
assert segment.segment_number is not None
assert segment.file
def test_raises_if_source_file_path_does_not_exist(self, transcode_job):
result_path = ffmpeg.transcode(transcode_job=transcode_job,
source_file_path=Path('not_found'))
assert result_path is None
assert transcode_job.status == 'failed'
assert transcode_job.ended_on
assert transcode_job.failure_context is None
assert not models.VideoRendition.objects.filter(
video=transcode_job.video).count()
def test_transcode_job_failed_when_video_file_is_not_valid(
self, transcode_job):
result_path = ffmpeg.transcode(
transcode_job=transcode_job,
source_file_path=constants.INVALID_VIDEO_PATH,
)
assert result_path is None
assert transcode_job.status == 'failed'
assert transcode_job.ended_on
assert not models.VideoRendition.objects.filter(
video=transcode_job.video).count()
def test_cannot_transcode_into_different_framerate(self, source_file_path,
transcode_profile_name,
transcode_job_factory):
transcode_job = transcode_job_factory(profile=transcode_profile_name)
result_path = ffmpeg.transcode(transcode_job=transcode_job,
source_file_path=source_file_path)
assert result_path is None
assert transcode_job.status == 'completed'
assert transcode_job.ended_on
assert not models.VideoRendition.objects.filter(
video=transcode_job.video).count()
def test_transcode_job_failed_when_ffmpeg_returns_an_error(
self, transcode_job_factory, mocker):
mocker.patch(
f'{MODULE}._ffmpeg_transcode_video',
side_effect=[
ffmpeg.TranscodeException('msg', stderr='command error output')
],
)
transcode_job = transcode_job_factory(profile='webm_240p')
result_path = ffmpeg.transcode(
transcode_job=transcode_job,
source_file_path=constants.VIDEO_PATH_1080_30FPS_VERT,
)
assert result_path is None
assert transcode_job.status == 'failed'
assert transcode_job.ended_on
assert transcode_job.failure_context == 'command error output'
assert not models.VideoRendition.objects.filter(
video=transcode_job.video).count()
