def test_note_add(): s1 = noise.SimpleWave(100, 1, 1) s2 = noise.SimpleWave(101, 1, 1) n1 = noise.Note([s1, s2]) n2 = noise.Note([s1]) n3 = n1 + n2 assert n3.get_waves() == n1.get_waves() + n2.get_waves()
def test_stutter_note_add(): sn1 = noise.StutterNote(100, 1, 1) n1 = noise.Note([noise.SimpleWave(400, 1, 2)]) n2 = sn1 + n1 waves = n2.get_waves() assert waves[:-1] == sn1.get_waves() assert waves[-1:] == n1.get_waves()
def test_note_change_amplitude(): s1 = noise.SimpleWave(100, 1, 0.5) s2 = noise.SimpleWave(101, 1, 1) n1 = noise.Note([s1, s2]) n1.amplitude = 0.5 wave = n1.play() half_way = len(wave) // 2 assert wave[:half_way - 10].max() <= 0.25 assert wave[half_way + 10].max() <= 0.5 assert wave[:half_way - 10].min() >= -0.25 assert wave[half_way + 10].min() >= -0.5
def test_note_play(): s1 = noise.SimpleWave(100, 1, 0.5) s2 = noise.SimpleWave(101, 1, 1) n1 = noise.Note([s1, s2]) assert n1.play().max() <= 1 assert n1.play().min() >= -1
def test_note_get_duration(): s1 = noise.SimpleWave(100, 1, 1) s2 = noise.SimpleWave(101, 1, 1) n1 = noise.Note([s1, s2]) assert abs(n1.get_duration() - 2) < 0.0001
def test_note_get_waves(): s1 = noise.SimpleWave(100, 1, 1) s2 = noise.SimpleWave(101, 1, 1) n1 = noise.Note([s1, s2]) assert n1.get_waves()[0] == s1 assert n1.get_waves()[1] == s2