def test_trigger_on_sequence(self):
mock = unittest.mock.Mock()
seq1 = Sequence(Note(1), Note(2), Note(3))
self.assertFalse(self.MEL.handlers) # Empty check
self.MEL.add_handler(mock, seq1)
press_sequence(self.loopback, seq1)
mock.assert_called()
def test_init_errors(self):
pass
with self.assertRaises(ValueError):
notes = (Note(1), Note(2), Note(3))
for _ in range(NoteList.max_depth + 1):
notes = [notes]
NoteList(notes)
with self.assertRaises(
TypeError): # Expected iterable of Notes or NoteList
NoteList(object())
def test_from_ident(self):
c1 = Chord(Note(69), Note(73), Note(76))
c2 = Chord.from_ident("A4 Major")
self.assertEqual(c1, c2)
with self.assertRaises(AssertionError):
Chord.from_ident("")
with self.assertRaises(ValueError):
Chord.from_ident("test test")
with self.assertRaises(
ValueError
): # This is a different error message in _get_semitones_from_chord_name
Chord.from_ident("A4 test")
def test_decorator_chord(self):
mock = unittest.mock.Mock()
self.assertFalse(self.MEL.handlers) # Empty
c1 = Chord(Note(5), Note(10), Note(15))
@self.MEL.on_notes(c1)
def sub():
mock()
self.assertTrue(self.MEL.handlers) # Not empty
press_chord(self.loopback, c1)
mock.assert_called()
def test_decorator_sequence(self):
mock = unittest.mock.Mock()
self.assertFalse(self.MEL.handlers) # Empty
seq1 = Sequence(Note(5), Note(10), Note(15))
@self.MEL.on_notes(seq1)
def sub():
mock()
press_sequence(self.loopback, seq1)
self.assertTrue(self.MEL.handlers) # Not empty
mock.assert_called()
def test_freq(self):
self.assertEqual(Note("A4").freq, 440.00)
self.assertEqual(Note("C6").freq, 1046.50)
self.assertEqual(Note("C0").freq, 16.35)
self.assertEqual(Note("A-1").freq, 13.75)
self.assertEqual(Note("Cb4").freq, 246.94)
self.assertEqual(Note("B3").freq, 246.94)
def test_init(self):
expected = (Note(5), Note(7))
seq1 = Sequence(Note(5), Note(7))
self.assertEqual(seq1.notes, expected)
seq2 = Sequence((Note(5), Note(7)))
self.assertEqual(seq2.notes, expected)
seq3 = Sequence(expected)
self.assertEqual(seq3.notes, expected)
def test_eq_deque(self):
notes = (Note(15), Note(10), Note(20))
seq1 = Sequence(notes)
notes_deque = collections.deque()
notes_deque.append(Note(50)) # Fill with some junk first
notes_deque.append(Note(50))
notes_deque.append(Note(50))
for n in notes:
notes_deque.append(n)
self.assertEqual(seq1, notes_deque)
notes_deque.append(Note(51))
self.assertNotEqual(seq1, notes_deque)
def test_chord_and_sequence(self):
chord_mock = unittest.mock.Mock()
sequence_mock = unittest.mock.Mock()
c1 = Chord(Note(1), Note(2), Note(3))
seq1 = Sequence(Note(1), Note(2), Note(3))
self.MEL.add_handler(chord_mock, c1)
self.MEL.add_handler(sequence_mock, seq1)
press_chord(self.loopback, c1) # Should trigger both
chord_mock.assert_called()
sequence_mock.assert_called()
def test_multiple_callbacks_same_chord(self):
mock1 = unittest.mock.Mock()
mock2 = unittest.mock.Mock()
c1 = Chord(Note(20), Note(40), Note(60))
c2 = Chord(Note(20), Note(40), Note(60))
self.MEL.add_handler(mock1, c1)
self.MEL.add_handler(mock2, c2)
press_chord(self.loopback, c1)
mock1.assert_called()
mock2.assert_called()
def test_multiple_callbacks_same_sequence(self):
mock1 = unittest.mock.Mock()
mock2 = unittest.mock.Mock()
seq1 = Sequence(Note(20), Note(40), Note(60))
seq2 = Sequence(Note(20), Note(40), Note(60))
self.MEL.add_handler(mock1, seq1)
self.MEL.add_handler(mock2, seq2)
press_sequence(self.loopback, seq1)
mock1.assert_called()
mock2.assert_called()
def __init__(self, *args):
try:
for _ in range(self.max_depth):
if isinstance(args, NoteList): # NoteList
self.notes = args.notes
return
if all(isinstance(x, Note) for x in args): # Note
self.notes = args # Triggers the setter
return
if all(isinstance(x, int)
for x in args): # int, assumed MIDI representation
self.notes = [Note(x) for x in args]
return
args = args[0] # Go one level deeper
else:
raise ValueError(
f"Illegal configuration of notes, got '{type(args)}'")
except TypeError:
raise TypeError(
f"Expected iterable of Notes or NoteList, got '{type(args)}'")
def test_sequence_handlers_add_remove(self):
mock1 = unittest.mock.Mock()
mock2 = unittest.mock.Mock()
seq1 = Sequence(Note(1), Note(2), Note(3))
seq2 = Sequence(Note(4), Note(5), Note(6))
self.assertFalse(self.MEL.handlers) # Empty
self.MEL.add_handler(mock1, seq1)
self.assertTrue(self.MEL.handlers) # Not empty
self.MEL.clear_handlers()
self.assertFalse(self.MEL.handlers)
# Now test a single removal
self.MEL.add_handler(mock1, seq1)
self.MEL.add_handler(mock2, seq2)
self.assertTrue(self.MEL.handlers) # Not empty
self.assertIn(seq1, self.MEL.handlers)
self.assertIn(seq2, self.MEL.handlers)
self.MEL.clear_handlers(seq1)
self.assertNotIn(seq1, self.MEL.handlers)
self.assertIn(seq2, self.MEL.handlers)
def test_init_from_iter(self):
nl1 = NoteList(Note(5), Note(7))
self.assertEqual(nl1._notes, (Note(5), Note(7)))
nl2 = NoteList([Note(5), Note(7)])
self.assertEqual(nl2._notes, (Note(5), Note(7)))
def test_from_note_chord(self):
c1 = Chord(Note(69), Note(73), Note(76))
c2 = Chord.from_note_chord(Note(69), "Major")
self.assertEqual(c1, c2)
def test_equality(self):
c1 = Chord(Note(69), Note(73), Note(76))
c2 = Chord(Note(69), Note(73), Note(76))
self.assertEqual(c1, c2)
nl_ordered = NoteList(Note(69), Note(73), Note(76)) # Pre-ordered
self.assertEqual(nl_ordered, c1)
nl_unordered = NoteList(Note(73), Note(69), Note(76)) # Un-ordered
self.assertEqual(nl_unordered, c1)
seq1 = Sequence(Note(69), Note(73), Note(76))
self.assertNotEqual(c1, seq1)
# Different note list lengths should automatically be not equal
c3 = Chord(Note(69), Note(73), Note(76), Note(100))
self.assertNotEqual(c1, c3)
def test_eq_notelist(self):
notes = (Note(15), Note(10), Note(20))
seq1 = Sequence(notes)
nl1 = NoteList(notes)
self.assertEqual(seq1, nl1)
def test_init_from_int(self):
nl1 = NoteList(1, 2, 3)
nl2 = NoteList(Note(1), Note(2), Note(3))
self.assertEqual(nl1, nl2)
def test_eq_sequence(self):
notes = (Note(15), Note(10), Note(20))
seq1 = Sequence(notes)
seq2 = Sequence.from_midi_list([15, 10, 20])
self.assertEqual(seq1, seq2)
def test_eq_chord(self):
notes = (Note(15), Note(10), Note(20))
seq1 = Sequence(notes)
c1 = Chord(notes)
self.assertNotEqual(seq1, c1) # Chord should sort the notes, while Sequence doesn't
def test_eq_tuple(self):
notes = (Note(15), Note(10), Note(20))
seq1 = Sequence(notes)
self.assertEqual(seq1, notes)
def from_midi_list(cls, midi_list):
return cls([Note(x) for x in midi_list])
def from_ascii(
cls, note_string
): # TODO note_string is similar to note_str in the Note class, maybe rename this?
note_string = note_string.replace(",", "")
return cls([Note(x) for x in note_string.split(" ")])
def test_hash(self):
notes = (Note(10), Note(15), Note(20)
) # Sorted to emulate NoteList.notes setter method
nl1 = NoteList(notes)
self.assertEqual(hash(notes), hash(nl1))
def test_from_midi_list(self):
nl1 = NoteList.from_midi_list([69, 73, 76])
self.assertEqual(nl1.notes, (Note(69), Note(73), Note(76)))
def test_hash(self):
seq1 = Sequence(Note(69), Note(73), Note(76))
self.assertEqual(hash(seq1), 643362958232848345)
self.assertEqual(Sequence.__hash__, NoteList.__hash__)
def test_from_ascii(self):
expected = (Note(69), Note(73), Note(76))
nl1 = NoteList.from_ascii("A4, C#5, E5")
nl2 = NoteList.from_ascii("A4 C#5 E5")
self.assertEqual(nl1.notes, expected)
self.assertEqual(nl2.notes, expected)
def from_ident(cls, ident_chord_name):
base_note, *chord_name = ident_chord_name.split(" ")
assert chord_name, "No chord name detected, make sure there's a space in ident_chord_name."
base_note = Note(base_note)
chord_name = " ".join(chord_name).strip()
return cls.from_note_chord(base_note, chord_name)
def test_hash(self):
c1 = Chord(Note(69), Note(73), Note(76))
self.assertEqual(hash(c1), 643362958232848345)
self.assertEqual(Chord.__hash__, NoteList.__hash__)
def from_note_chord(cls, note_obj, chord_name):
note_list = [Note(note_obj.midi + semitone) for semitone in cls._get_semitones_from_chord_name(chord_name)]
return cls(note_list)
