def test_is_created_preview_image(self):
storage = Lesson().video.storage
lesson = Lesson.objects.first()
image_preview = lesson.video.preview_image_name
self.assertTrue(storage.exists(image_preview),
"Отсутсвует изображение-превью для видеоплеера")
def test_is_created_chunks(self):
storage = Lesson().video.storage
expected_streams_count = 5
expected_count_of_chunks_for_stream = 2
lesson = Lesson.objects.first()
dash_seg_name = DashFilesNames.dash_segments_mask(lesson.video.name)
dash_seg_name_mask = dash_seg_name. \
replace(r"\$RepresentationID\$", "{0}"). \
replace(r"\$Number%05d\$", "{1}")
for stream_id in range(expected_streams_count):
chunks_count = 0
for chunk_id in range(1, expected_count_of_chunks_for_stream + 1):
chunk_name = dash_seg_name_mask.format(stream_id,
str(chunk_id).zfill(5))
if storage.exists(chunk_name):
chunks_count += 1
self.assertEqual(
chunks_count, expected_count_of_chunks_for_stream,
f"Неверное количество чанков для DASH потока №{stream_id}, "
f"ожидалось {expected_count_of_chunks_for_stream}, существует {chunks_count}"
)
def test_is_created_dash_init_files(self):
storage = Lesson().video.storage
expected_count_of_stream_init = 5
lesson = Lesson.objects.first()
stream_init_name = DashFilesNames.dash_init_files_mask(
lesson.video.name)
stream_init_name_mask = stream_init_name.replace(
r"\$RepresentationID\$", "{0}")
stream_init_files_count = 0
for stream_id in range(expected_count_of_stream_init):
init_name = stream_init_name_mask.format(stream_id)
if storage.exists(init_name):
stream_init_files_count += 1
self.assertEqual(
stream_init_files_count, expected_count_of_stream_init,
f"Неверное количество файлов описания для DASH потоков"
f"ожидалось {expected_count_of_stream_init}, существует {stream_init_files_count}"
)
def test_is_created_mpd_manifest(self):
storage = Lesson().video.storage
lesson = Lesson.objects.first()
self.assertTrue(storage.exists(lesson.video.mpd_file_name),
"Не сгенерирован mpd файл манифеста для DASH")