def test_download_audio_none(youtube, download):
# Given
youtube_instance = youtube.return_value
youtube_instance.streams.filter.return_value.order_by.return_value.last.return_value = (
None)
# When
with pytest.raises(SystemExit):
cli.download_audio(youtube_instance, "filetype", "target")
# Then
download.assert_not_called()
def test_download_audio(youtube, download):
# Given
youtube_instance = youtube.return_value
audio_stream = MagicMock()
youtube_instance.streams.filter.return_value.order_by.return_value.last.return_value = (
audio_stream)
# When
cli.download_audio(youtube_instance, "filetype", "target")
# Then
download.assert_called_with(audio_stream, target="target")
