def test_add_note_order():
c = Chord(Note(name='C'), Note(name='E'), Note(name='G'))
c.add_note(note=Note(name='Bb'))
assert len(c.notes) == 4
assert c.notes[0] == Note(name='C')
assert c.notes[1] == Note(name='E')
assert c.notes[2] == Note(name='G')
assert c.notes[3] == Note(name='Bb')
c = Chord(Note(name='C'), Note(name='E'), Note(name='G'))
c.add_note(note=Note(name='C', octave=3))
assert len(c.notes) == 4
assert c.notes[0] == Note(name='C', octave=3)
assert c.notes[1] == Note(name='C')
assert c.notes[2] == Note(name='E')
assert c.notes[3] == Note(name='G')
c = Chord(Note(name='C'), Note(name='E'), Note(name='G'))
c.add_note(note=Note(name='C', octave=3))
c.add_note(note=Note(name='G', octave=3))
assert len(c.notes) == 5
assert c.notes[0] == Note(name='C', octave=3)
assert c.notes[1] == Note(name='G', octave=3)
assert c.notes[2] == Note(name='C')
assert c.notes[3] == Note(name='E')
assert c.notes[4] == Note(name='G')
def test_str():
c = Chord(Note(name='C'), Note(name='E'), Note(name='G'))
assert 'C4,E4,G4' == str(c)
c.add_note(note=Note(name='C', octave=5))
assert 'C4,E4,G4,C5' == str(c)