def testChordsExtractor(self):
quantized_sequence = sequences_lib.QuantizedSequence()
quantized_sequence.steps_per_quarter = 1
testing_lib.add_quantized_chords_to_sequence(quantized_sequence,
[('C', 2), ('Am', 4),
('F', 5)])
quantized_sequence.total_steps = 8
expected_events = [[NO_CHORD, NO_CHORD, 'C', 'C', 'Am', 'F', 'F', 'F']]
expected_chord_progressions = []
for events_list in expected_events:
chords = chords_lib.ChordProgression(events_list,
steps_per_quarter=1,
steps_per_bar=4)
expected_chord_progressions.append(chords)
unit = chord_pipelines.ChordsExtractor(all_transpositions=False)
self._unit_transform_test(unit, quantized_sequence,
expected_chord_progressions)
def testChordsExtractor(self):
note_sequence = common_testing_lib.parse_test_proto(
music_pb2.NoteSequence, """
time_signatures: {
numerator: 4
denominator: 4}
tempos: {
qpm: 60}""")
testing_lib.add_chords_to_sequence(note_sequence, [('C', 2), ('Am', 4),
('F', 5)])
quantized_sequence = sequences_lib.quantize_note_sequence(
note_sequence, steps_per_quarter=1)
quantized_sequence.total_quantized_steps = 8
expected_events = [[NO_CHORD, NO_CHORD, 'C', 'C', 'Am', 'F', 'F', 'F']]
expected_chord_progressions = []
for events_list in expected_events:
chords = chords_lib.ChordProgression(events_list,
steps_per_quarter=1,
steps_per_bar=4)
expected_chord_progressions.append(chords)
unit = chord_pipelines.ChordsExtractor(all_transpositions=False)
self._unit_transform_test(unit, quantized_sequence,
expected_chord_progressions)
