def test_scale_remove_degree_nonexist():
test = scale.Scale(tones=[200, 400, 500, 700, 900, 1100, 1200])
assert test.degrees == [1, 2, 3, 4, 5, 6, 7, 8]
retval = test.remove_degree(9)
assert retval == -1
assert test.degrees == [1, 2, 3, 4, 5, 6, 7, 8]
assert test.tones == [0, 200, 400, 500, 700, 900, 1100, 1200]
def test_move_degree_down_jump():
test = scale.Scale(tones=[200, 400, 500, 700, 900, 1100, 1200])
assert test.degrees == [1, 2, 3, 4, 5, 6, 7, 8]
retval = test.move_degree(degree=3, cents=-250)
assert retval == 0
assert test.degrees == [1, 2, 3, 4, 5, 6, 7, 8]
assert test.tones == [0, 150, 200, 500, 700, 900, 1100, 1200]
def test_scale_tone_0():
test = scale.Scale()
assert test.degrees == [1]
assert test.tones == [0]
test.add_tone(0)
assert test.degrees == [1]
assert test.tones == [0]
def test_move_degree_root():
test = scale.Scale(tones=[200, 400, 500, 700, 900, 1100, 1200])
assert test.degrees == [1, 2, 3, 4, 5, 6, 7, 8]
retval = test.move_degree(degree=1, cents=50)
assert retval == -1
assert test.degrees == [1, 2, 3, 4, 5, 6, 7, 8]
assert test.tones == [0, 200, 400, 500, 700, 900, 1100, 1200]
def test_scale_single_tones():
test = scale.Scale()
for i in range(1, 12):
test.add_tone(i * 100)
assert test.degrees == list(range(1, 13))
assert test.tones[8] == 800
assert test.tones[0] == 0
assert len(test.tones) == 12
def test_scale_degree_cents():
test = scale.Scale(tones=[200, 400, 500, 700, 900, 1100, 1200])
assert test.degree_steps_cents == {
1: 0,
2: 200,
3: 200,
4: 100,
5: 200,
6: 200,
7: 200,
8: 100
}
def test_add_tone_below_degree_too_far():
test = scale.Scale(tones=[200, 400, 700, 900, 1100, 1200])
retval = test.add_tone_rel_degree(degree=4, cents=-800)
assert retval is None
assert test.degree_steps_cents == {
1: 0,
2: 200,
3: 200,
4: 300,
5: 200,
6: 200,
7: 100
}
def test_add_tone_above_bad_degree():
test = scale.Scale(tones=[200, 400, 700, 900, 1100, 1200])
retval = test.add_tone_rel_degree(degree=9, cents=100)
assert retval == -1
assert test.degree_steps_cents == {
1: 0,
2: 200,
3: 200,
4: 300,
5: 200,
6: 200,
7: 100
}
def test_add_tone_below_degree_jump():
test = scale.Scale(tones=[200, 400, 700, 900, 1100, 1200])
retval = test.add_tone_rel_degree(degree=5, cents=-400)
assert retval == 4
assert test.degree_steps_cents == {
1: 0,
2: 200,
3: 200,
4: 100,
5: 200,
6: 200,
7: 200,
8: 100
}
def test_scale_badroot_hz():
with pytest.raises(ValueError):
test = scale.Scale(root_note=-1)
def test_scale_bad_tones_list():
test = scale.Scale(tones=['bad', 2])
assert test.degrees == [1]
assert test.tones == [0]
def test_scale_bad_tone():
test = scale.Scale(tones='bad')
assert test.degrees == [1]
assert test.tones == [0]
def test_scale_tones_array():
test = scale.Scale(tones=list(range(100, 1200, 100)))
assert test.degrees == list(range(1, 13))
assert test.tones[8] == 800
assert test.tones[0] == 0
assert len(test.tones) == 12
def test_scale_a_440():
a_440 = note.Note(440)
test = scale.Scale(root_note=a_440)
assert test.root_note.freq == 440
def test_scale_freq_change():
test = scale.Scale(root_note=440)
assert test.freq_ratio(660) == 1.5
def test_scale_badroot_type():
test = scale.Scale(root_note='xyz')
assert test.root_note is None
def test_scale_noroot():
test = scale.Scale()
assert test.root_note is None
def test_scale_hz():
test = scale.Scale(root_note=440)
assert test.root_note.freq == 440
