def test_samples_per_beat():
click = Click(filename, 44100, 60, False)
assert click.samples_per_beat() == 44100
click = Click(filename, 44100, 120, False)
assert click.samples_per_beat() == 22050
click = Click(filename, 22050, 120, False)
assert click.samples_per_beat() == 11025
def test_seconds_per_beat():
click = Click(filename, 44100, 60, False)
assert click.seconds_per_beat() == 1
click = Click(filename, 44100, 120, False)
assert click.seconds_per_beat() == 0.5
click = Click(filename, 22050, 120, False)
assert click.seconds_per_beat() == 0.5
def test_from_click():
filename = os.path.join(os.path.dirname(__file__), 'fixtures/click.wav')
click = Click(filename, 44100, 120, False)
precount = Precount.from_click(click, 4, 2, 0)
expected_shape = (click.audio.data.shape[0],
click.audio.data.shape[1] * Precount.n_beats(4, 2, 0))
assert precount.audio.data.shape == expected_shape
def test_precountify_with_bpm():
bpm = 120
meter = 4
measure = 2
upbeat = 0
filename = librosa.util.example_audio_file()
precountified = precountify(filename,
bpm=bpm,
meter=meter,
measure=measure,
upbeat=upbeat)
music = Music.from_file(filename).trimmed()
click = Click(Click.preset(), music.audio.sr, bpm)
precount = Precount.from_click(click, meter, measure, upbeat)
expected_shape = (2,
precount.audio.data.shape[1] + music.audio.data.shape[1])
assert precountified.data.shape == expected_shape
def test_init_mono():
click = Click(filename, 44100, 120, True)
assert isinstance(click.audio, Mono)
assert click.sr == 44100
assert click.bpm == 120
assert click.audio.data.shape == (click.samples_per_beat(), )
def test_preset():
assert os.path.exists(Click.preset())
def test_init_stereo():
click = Click(filename, 44100, 120, False)
assert isinstance(click.audio, Stereo)
assert click.sr == 44100
assert click.bpm == 120
assert click.audio.data.shape == (2, click.samples_per_beat())