def test_double_note_add():
c = Chord(Note.from_note_string('C4'))
c.add_note(Note.from_note_string('E4'))
c.add_note(Note.from_note_string('B4'))
notes = [
Note.from_note_string('C4'),
Note.from_note_string('E4'),
Note.from_note_string('B4')
]
assert c.notes == notes
def test_simple_note_add_middle():
c = Chord(Note.from_note_string('C4'))
c.add_note(Note.from_note_string('E4'))
c.add_note(Note.from_note_string('D4'))
notes = [
Note.from_note_string('C4'),
Note.from_note_string('D4'),
Note.from_note_string('E4')
]
assert c.notes == notes
def test_multi_note_add_under():
c = Chord(Note.from_note_string('D4'))
c.add_note(Note.from_note_string('C4'))
c.add_note(Note.from_note_string('B3'))
notes = [
Note.from_note_string('B3'),
Note.from_note_string('C4'),
Note.from_note_string('D4')
]
assert c.notes == notes
def test_over_octave_chord_build():
c = Chord.build_chord(Note.from_note_string('G4'), 'II', 'minor')
expected = [
Note.from_note_string('A4'),
Note.from_note_string('C5'),
Note.from_note_string('E5b')
]
assert c.notes == expected
def test_simple_major_chord_build_non_tonic():
c = Chord.build_chord(Note.from_note_string('C4'), 'V', 'major')
expected = [
Note.from_note_string('G4'),
Note.from_note_string('B4'),
Note.from_note_string('D5')
]
assert c.notes == expected
def test_simple_minor_chord_build():
c = Chord.build_chord(Note.from_note_string('C4'), 'I', 'minor')
expected = [
Note.from_note_string('C4'),
Note.from_note_string('E4b'),
Note.from_note_string('G4')
]
assert c.notes == expected
def test_simple_two_note_str_add_under():
c = Chord(Note.from_note_string('C4'))
c.add_note(Note.from_note_string('B3'))
assert c.__str__() == 'B3+C4'
def test_correct_note_list_length():
c = Chord(Note.from_note_string('C4'))
assert len(c.notes) == 1
def test_root_insert_under_same_pitch():
c = Chord(Note.from_note_string('C4'))
c.add_note(Note.from_note_string('C4b'))
root = Note.from_note_string('C4b')
assert c.root() == root
def test_root_insert_under():
c = Chord(Note.from_note_string('C4'))
c.add_note(Note.from_note_string('B3'))
root = Note.from_note_string('B3')
assert c.root() == root
def test_root_two_notes():
c = Chord(Note.from_note_string('C4'))
c.add_note(Note.from_note_string('E4'))
root = Note.from_note_string('C4')
assert c.root() == root
def test_root_one_note():
c = Chord(Note.from_note_string('C4'))
root = Note.from_note_string('C4')
assert c.root() == root
def test_chord_int_tonic():
with pytest.raises(TypeError):
Chord.build_chord(4, 'IV', 'maj')
def test_incorrect_root_float():
with pytest.raises(TypeError):
c = Chord(7.2)
def test_single_chord_str():
c = Chord(Note.from_note_string('D4'))
assert c.__str__() == 'D4'
def test_chord_unsupported_chord_type():
with pytest.raises(ValueError):
Chord.build_chord(Note.from_note_string('C4'), 'V', 'doobly`')
def test_chord_unsupported_chord_num():
with pytest.raises(ValueError):
Chord.build_chord(Note.from_note_string('C4'), 'VIIII', 'maj')
def test_chord_float_tonic():
with pytest.raises(TypeError):
Chord.build_chord(7.2, 'IV', 'maj')
def test_simple_two_note_str():
c = Chord(Note.from_note_string('C4'))
c.add_note(Note.from_note_string('E4'))
assert c.__str__() == 'C4+E4'
def test_incorrect_root_str():
with pytest.raises(TypeError):
c = Chord('A note!')
def test_correct_note_list():
c = Chord(Note.from_note_string('C4'))
assert c.notes == [Note.from_note_string('C4')]
def test_chord_str_tonic():
with pytest.raises(TypeError):
Chord.build_chord('Hi', 'IV', 'maj')