+ def test_audio_only_extractor_format_selection(self):
+ # For extractors with incomplete formats (all formats are audio-only or
+ # video-only) best and worst should fallback to corresponding best/worst
+ # video-only or audio-only formats (as per
+ # https://github.com/rg3/youtube-dl/pull/5556)
+ formats = [
+ {'format_id': 'low', 'ext': 'mp3', 'preference': 1, 'vcodec': 'none', 'url': TEST_URL},
+ {'format_id': 'high', 'ext': 'mp3', 'preference': 2, 'vcodec': 'none', 'url': TEST_URL},
+ ]
+ info_dict = _make_result(formats)
+
+ ydl = YDL({'format': 'best'})
+ ydl.process_ie_result(info_dict.copy())
+ downloaded = ydl.downloaded_info_dicts[0]
+ self.assertEqual(downloaded['format_id'], 'high')
+
+ ydl = YDL({'format': 'worst'})
+ ydl.process_ie_result(info_dict.copy())
+ downloaded = ydl.downloaded_info_dicts[0]
+ self.assertEqual(downloaded['format_id'], 'low')
+
+ def test_format_not_available(self):
+ formats = [
+ {'format_id': 'regular', 'ext': 'mp4', 'height': 360, 'url': TEST_URL},
+ {'format_id': 'video', 'ext': 'mp4', 'height': 720, 'acodec': 'none', 'url': TEST_URL},
+ ]
+ info_dict = _make_result(formats)
+
+ # This must fail since complete video-audio format does not match filter
+ # and extractor does not provide incomplete only formats (i.e. only
+ # video-only or audio-only).
+ ydl = YDL({'format': 'best[height>360]'})
+ self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
+