test_files.py 文件源码

def test_load_video_metadata():
    # Load a test example
    reload(files)
    with pytest.raises(OSError):
        metadata = files.load_video_metadata('nothing_there.mp4')

    from skvideo import datasets
    metadata = files.load_video_metadata(datasets.bikes())
    npt.assert_equal(metadata['@codec_name'], 'h264')
    npt.assert_equal(metadata['@duration_ts'], '128000')
    npt.assert_equal(metadata['@r_frame_rate'], '25/1')

    # Trigger an import error
    with mock.patch.dict("sys.modules", {"skvideo": {}, "skvideo.utils": {}}):
        with pytest.raises(ImportError):
            reload(files)
            files.load_video_metadata(datasets.bikes())