def test_create_from_root_with_alt():
c = Chord.create_from_root(root=Note(name='C', alt=Note.SHARP),
chord_type=Chord.MINOR_TYPE)
assert 'D#4' in str(c).split(',')
c = Chord.create_from_root(root=Note(name='C', alt=Note.FLAT),
chord_type=Chord.MINOR_TYPE,
alt=Note.FLAT)
assert 'Eb4' in str(c).split(',')
def test_create_from_root_with_int_octave():
c = Chord.create_from_root(root=Note(name='G', octave=3), octave=4)
assert Note(name='G', octave=3) in c.notes
assert Note(name='B', octave=4) in c.notes
assert Note(name='D', octave=4) in c.notes
c = Chord.create_from_root(root=Note(name='F', octave=4), octave=3)
assert Note(name='F', octave=4) in c.notes
assert Note(name='A', octave=3) in c.notes
assert Note(name='C', octave=3) in c.notes
def test_remove_note():
c = Chord.create_from_root(root=Note(name='C'))
c.remove_note(note=Note(name='E'))
assert len(c.notes) == 2
assert c.notes[0] == Note(name='C')
assert c.notes[1] == Note(name='G')
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.MINOR_TYPE)
c.remove_note(note=Note(name='Eb'))
assert len(c.notes) == 2
assert c.notes[0] == Note(name='C')
assert c.notes[1] == Note(name='G')
def test_create_from_root_with_callable_octave():
c = Chord.create_from_root(root=Note(name='G', octave=3),
octave=lambda root_octave, i, distance: i + 1)
assert Note(name='G', octave=3) in c.notes
assert Note(name='B', octave=1) in c.notes
assert Note(name='D', octave=2) in c.notes
c = Chord.create_from_root(
root=Note(name='F', octave=4),
octave=lambda root_octave, i, distance: root_octave + i + 1)
assert Note(name='F', octave=4) in c.notes
assert Note(name='A', octave=5) in c.notes
assert Note(name='C', octave=6) in c.notes
with pytest.raises(TypeError):
Chord.create_from_root(root=Note(name='F', octave=4),
octave=lambda: 'invalid')
def test_create_from_root():
c = Chord.create_from_root(root=Note(name='C'))
assert len(c.notes) == 3
assert Note(name='C') in c.notes
assert Note(name='E') in c.notes
assert Note(name='G') in c.notes
c = Chord.create_from_root(root=Note(name='G'))
assert len(c.notes) == 3
assert Note(name='G') in c.notes
assert Note(name='B') in c.notes
assert Note(name='D') in c.notes
c = Chord.create_from_root(root=Note(name='G', octave=3))
assert Note(name='G', octave=3) in c.notes
assert Note(name='B', octave=3) in c.notes
assert Note(name='D', octave=3) in c.notes
assert Chord.create_from_root(root=Note(name='C')).strict is True
assert Chord.create_from_root(root=Note(name='C'),
strict=True).strict is True
assert Chord.create_from_root(root=Note(name='C'),
strict=False).strict is False
def test_create_from_root_with_invalid_octave():
c = Chord.create_from_root(root=Note(name='C'), octave='invalid')
assert Note(name='C', octave=4) in c.notes
assert Note(name='E', octave=4) in c.notes
assert Note(name='G', octave=4) in c.notes
def test_create_from_root_with_chord_type():
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.MAJOR_TYPE)
assert c == Chord(Note(name='C'), Note(name='E'), Note(name='G'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.MAJOR_SEVEN_TYPE)
assert c == Chord(Note(name='C'), Note(name='E'), Note(name='G'),
Note(name='B'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.MINOR_TYPE)
assert c == Chord(Note(name='C'), Note(name='Eb'), Note(name='G'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.MINOR_SEVEN_TYPE)
assert c == Chord(Note(name='C'), Note(name='Eb'), Note(name='G'),
Note(name='Bb'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.DOMINANT_TYPE)
assert c == Chord(Note(name='C'), Note(name='E'), Note(name='G'),
Note(name='Bb'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.MINOR_MAJOR_SEVEN_TYPE)
assert c == Chord(Note(name='C'), Note(name='Eb'), Note(name='G'),
Note(name='B'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.HALF_DIMINISHED_SEVEN_TYPE)
assert c == Chord(Note(name='C'), Note(name='Eb'), Note(name='Gb'),
Note(name='Bb'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.DIMINISHED_TYPE)
assert c == Chord(Note(name='C'), Note(name='Eb'), Note(name='Gb'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.DIMINISHED_SEVEN_TYPE)
assert c == Chord(Note(name='C'), Note(name='Eb'), Note(name='Gb'),
Note(name='A'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.AUGMENTED_TYPE)
assert c == Chord(Note(name='C'), Note(name='E'), Note(name='G#'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.AUGMENTED_SEVEN_TYPE)
assert c == Chord(Note(name='C'), Note(name='E'), Note(name='G#'),
Note(name='Bb'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.AUGMENTED_MAJOR_SEVEN_TYPE)
assert c == Chord(Note(name='C'), Note(name='E'), Note(name='G#'),
Note(name='B'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.MAJOR_SIXTH_TYPE)
assert c == Chord(Note(name='C'), Note(name='E'), Note(name='G'),
Note(name='A'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.MINOR_SIXTH_TYPE)
assert c == Chord(Note(name='C'), Note(name='Eb'), Note(name='G'),
Note(name='A'))
c = Chord.create_from_root(root=Note(name='C'), chord_type=Chord.SUS4_TYPE)
assert c == Chord(Note(name='C'), Note(name='F'), Note(name='G'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.SUS4_SEVEN_TYPE)
assert c == Chord(Note(name='C'), Note(name='F'), Note(name='G'),
Note(name='Bb'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.SUS4_MAJOR_SEVEN_TYPE)
assert c == Chord(Note(name='C'), Note(name='F'), Note(name='G'),
Note(name='B'))
c = Chord.create_from_root(root=Note(name='C'), chord_type=Chord.SUS2_TYPE)
assert c == Chord(Note(name='C'), Note(name='D'), Note(name='G'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.SUS2_SEVEN_TYPE)
assert c == Chord(Note(name='C'), Note(name='D'), Note(name='G'),
Note(name='Bb'))
c = Chord.create_from_root(root=Note(name='C'),
chord_type=Chord.SUS2_MAJOR_SEVEN_TYPE)
assert c == Chord(Note(name='C'), Note(name='D'), Note(name='G'),
Note(name='B'))