Module note_seq.drums_lib_test
Tests for drums_lib.
Expand source code
# Copyright 2021 The Magenta Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Tests for drums_lib."""
from absl.testing import absltest
from note_seq import drums_lib
from note_seq import sequences_lib
from note_seq import testing_lib
DRUMS = lambda *args: frozenset(args)
NO_DRUMS = frozenset()
class DrumsLibTest(testing_lib.ProtoTestCase):
def testFromQuantizedNoteSequence(self):
testing_lib.add_track_to_sequence(
self.note_sequence, 0,
[(12, 100, 0.0, 10.0), (11, 55, 0.25, 0.50), (40, 45, 2.50, 3.50),
(55, 120, 4.0, 4.25), (60, 100, 4.0, 5.5), (52, 99, 4.75, 5.0)],
is_drum=True)
quantized_sequence = sequences_lib.quantize_note_sequence(
self.note_sequence, self.steps_per_quarter)
drums = drums_lib.DrumTrack()
drums.from_quantized_sequence(quantized_sequence, search_start_step=0)
expected = ([DRUMS(12), DRUMS(11), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS,
NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(40), NO_DRUMS,
NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(55, 60),
NO_DRUMS, NO_DRUMS, DRUMS(52)])
self.assertEqual(expected, list(drums))
self.assertEqual(16, drums.steps_per_bar)
def testFromQuantizedNoteSequenceMultipleTracks(self):
testing_lib.add_track_to_sequence(
self.note_sequence, 0,
[(12, 100, 0, 10), (40, 45, 2.5, 3.5), (60, 100, 4, 5.5)],
is_drum=True)
testing_lib.add_track_to_sequence(
self.note_sequence, 1,
[(11, 55, .25, .5), (55, 120, 4, 4.25), (52, 99, 4.75, 5)],
is_drum=True)
testing_lib.add_track_to_sequence(
self.note_sequence, 2,
[(13, 100, 0, 10), (14, 45, 2.5, 3.5), (15, 100, 4, 5.5)])
quantized_sequence = sequences_lib.quantize_note_sequence(
self.note_sequence, self.steps_per_quarter)
drums = drums_lib.DrumTrack()
drums.from_quantized_sequence(quantized_sequence, search_start_step=0)
expected = ([DRUMS(12), DRUMS(11), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS,
NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(40), NO_DRUMS,
NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(55, 60),
NO_DRUMS, NO_DRUMS, DRUMS(52)])
self.assertEqual(expected, list(drums))
self.assertEqual(16, drums.steps_per_bar)
def testFromQuantizedNoteSequenceNotCommonTimeSig(self):
self.note_sequence.time_signatures[0].numerator = 7
self.note_sequence.time_signatures[0].denominator = 8
testing_lib.add_track_to_sequence(
self.note_sequence, 0,
[(12, 100, 0, 10), (11, 55, .25, .5), (40, 45, 2.5, 3.5),
(30, 80, 2.5, 2.75), (55, 120, 4, 4.25), (52, 99, 4.75, 5)],
is_drum=True)
quantized_sequence = sequences_lib.quantize_note_sequence(
self.note_sequence, self.steps_per_quarter)
drums = drums_lib.DrumTrack()
drums.from_quantized_sequence(quantized_sequence, search_start_step=0)
expected = ([DRUMS(12), DRUMS(11), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS,
NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(30, 40),
NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(55),
NO_DRUMS, NO_DRUMS, DRUMS(52)])
self.assertEqual(expected, list(drums))
self.assertEqual(14, drums.steps_per_bar)
def testFromNotesTrimEmptyMeasures(self):
testing_lib.add_track_to_sequence(
self.note_sequence, 0,
[(12, 100, 1.5, 1.75), (11, 100, 2, 2.25)],
is_drum=True)
quantized_sequence = sequences_lib.quantize_note_sequence(
self.note_sequence, self.steps_per_quarter)
drums = drums_lib.DrumTrack()
drums.from_quantized_sequence(quantized_sequence, search_start_step=0)
expected = [NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS,
DRUMS(12), NO_DRUMS, DRUMS(11)]
self.assertEqual(expected, list(drums))
self.assertEqual(16, drums.steps_per_bar)
def testFromNotesStepsPerBar(self):
self.note_sequence.time_signatures[0].numerator = 7
self.note_sequence.time_signatures[0].denominator = 8
quantized_sequence = sequences_lib.quantize_note_sequence(
self.note_sequence, steps_per_quarter=12)
drums = drums_lib.DrumTrack()
drums.from_quantized_sequence(quantized_sequence, search_start_step=0)
self.assertEqual(42, drums.steps_per_bar)
def testFromNotesStartAndEndStep(self):
testing_lib.add_track_to_sequence(
self.note_sequence, 0,
[(12, 100, 1, 2), (11, 100, 2.25, 2.5), (13, 100, 3.25, 3.75),
(14, 100, 8.75, 9), (15, 100, 9.25, 10.75)],
is_drum=True)
quantized_sequence = sequences_lib.quantize_note_sequence(
self.note_sequence, self.steps_per_quarter)
drums = drums_lib.DrumTrack()
drums.from_quantized_sequence(quantized_sequence, search_start_step=18)
expected = [NO_DRUMS, DRUMS(14), NO_DRUMS, DRUMS(15)]
self.assertEqual(expected, list(drums))
self.assertEqual(34, drums.start_step)
self.assertEqual(38, drums.end_step)
def testSetLength(self):
events = [DRUMS(60)]
drums = drums_lib.DrumTrack(events, start_step=9)
drums.set_length(5)
self.assertListEqual([DRUMS(60), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS],
list(drums))
self.assertEqual(9, drums.start_step)
self.assertEqual(14, drums.end_step)
drums = drums_lib.DrumTrack(events, start_step=9)
drums.set_length(5, from_left=True)
self.assertListEqual([NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(60)],
list(drums))
self.assertEqual(5, drums.start_step)
self.assertEqual(10, drums.end_step)
events = [DRUMS(60), NO_DRUMS, NO_DRUMS, NO_DRUMS]
drums = drums_lib.DrumTrack(events)
drums.set_length(3)
self.assertListEqual([DRUMS(60), NO_DRUMS, NO_DRUMS], list(drums))
self.assertEqual(0, drums.start_step)
self.assertEqual(3, drums.end_step)
drums = drums_lib.DrumTrack(events)
drums.set_length(3, from_left=True)
self.assertListEqual([NO_DRUMS, NO_DRUMS, NO_DRUMS], list(drums))
self.assertEqual(1, drums.start_step)
self.assertEqual(4, drums.end_step)
def testToSequenceSimple(self):
drums = drums_lib.DrumTrack(
[NO_DRUMS, DRUMS(1, 2), NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(2),
DRUMS(3), NO_DRUMS, NO_DRUMS])
sequence = drums.to_sequence(
velocity=10,
sequence_start_time=2,
qpm=60.0)
self.assertProtoEquals(
'ticks_per_quarter: 220 '
'tempos < qpm: 60.0 > '
'total_time: 3.75 '
'notes < '
' pitch: 1 velocity: 10 instrument: 9 start_time: 2.25 end_time: 2.5 '
' is_drum: true '
'> '
'notes < '
' pitch: 2 velocity: 10 instrument: 9 start_time: 2.25 end_time: 2.5 '
' is_drum: true '
'> '
'notes < '
' pitch: 2 velocity: 10 instrument: 9 start_time: 3.25 end_time: 3.5 '
' is_drum: true '
'> '
'notes < '
' pitch: 3 velocity: 10 instrument: 9 start_time: 3.5 end_time: 3.75 '
' is_drum: true '
'> ',
sequence)
def testToSequenceEndsWithNonzeroStart(self):
drums = drums_lib.DrumTrack([NO_DRUMS, DRUMS(1), NO_DRUMS], start_step=4)
sequence = drums.to_sequence(
velocity=100,
sequence_start_time=0.5,
qpm=60.0)
self.assertProtoEquals(
'ticks_per_quarter: 220 '
'tempos < qpm: 60.0 > '
'total_time: 2.0 '
'notes < '
' pitch: 1 velocity: 100 instrument: 9 start_time: 1.75 end_time: 2.0 '
' is_drum: true '
'> ',
sequence)
def testToSequenceEmpty(self):
drums = drums_lib.DrumTrack()
sequence = drums.to_sequence(
velocity=10,
sequence_start_time=2,
qpm=60.0)
self.assertProtoEquals(
'ticks_per_quarter: 220 '
'tempos < qpm: 60.0 > ',
sequence)
if __name__ == '__main__':
absltest.main()Functions
def DRUMS(*args)-
Expand source code
DRUMS = lambda *args: frozenset(args)
Classes
class DrumsLibTest (*args, **kwargs)-
Adds assertProtoEquals from tf.test.TestCase.
Create an instance of the class that will use the named test method when executed. Raises a ValueError if the instance does not have a method with the specified name.
Expand source code
class DrumsLibTest(testing_lib.ProtoTestCase): def testFromQuantizedNoteSequence(self): testing_lib.add_track_to_sequence( self.note_sequence, 0, [(12, 100, 0.0, 10.0), (11, 55, 0.25, 0.50), (40, 45, 2.50, 3.50), (55, 120, 4.0, 4.25), (60, 100, 4.0, 5.5), (52, 99, 4.75, 5.0)], is_drum=True) quantized_sequence = sequences_lib.quantize_note_sequence( self.note_sequence, self.steps_per_quarter) drums = drums_lib.DrumTrack() drums.from_quantized_sequence(quantized_sequence, search_start_step=0) expected = ([DRUMS(12), DRUMS(11), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(40), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(55, 60), NO_DRUMS, NO_DRUMS, DRUMS(52)]) self.assertEqual(expected, list(drums)) self.assertEqual(16, drums.steps_per_bar) def testFromQuantizedNoteSequenceMultipleTracks(self): testing_lib.add_track_to_sequence( self.note_sequence, 0, [(12, 100, 0, 10), (40, 45, 2.5, 3.5), (60, 100, 4, 5.5)], is_drum=True) testing_lib.add_track_to_sequence( self.note_sequence, 1, [(11, 55, .25, .5), (55, 120, 4, 4.25), (52, 99, 4.75, 5)], is_drum=True) testing_lib.add_track_to_sequence( self.note_sequence, 2, [(13, 100, 0, 10), (14, 45, 2.5, 3.5), (15, 100, 4, 5.5)]) quantized_sequence = sequences_lib.quantize_note_sequence( self.note_sequence, self.steps_per_quarter) drums = drums_lib.DrumTrack() drums.from_quantized_sequence(quantized_sequence, search_start_step=0) expected = ([DRUMS(12), DRUMS(11), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(40), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(55, 60), NO_DRUMS, NO_DRUMS, DRUMS(52)]) self.assertEqual(expected, list(drums)) self.assertEqual(16, drums.steps_per_bar) def testFromQuantizedNoteSequenceNotCommonTimeSig(self): self.note_sequence.time_signatures[0].numerator = 7 self.note_sequence.time_signatures[0].denominator = 8 testing_lib.add_track_to_sequence( self.note_sequence, 0, [(12, 100, 0, 10), (11, 55, .25, .5), (40, 45, 2.5, 3.5), (30, 80, 2.5, 2.75), (55, 120, 4, 4.25), (52, 99, 4.75, 5)], is_drum=True) quantized_sequence = sequences_lib.quantize_note_sequence( self.note_sequence, self.steps_per_quarter) drums = drums_lib.DrumTrack() drums.from_quantized_sequence(quantized_sequence, search_start_step=0) expected = ([DRUMS(12), DRUMS(11), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(30, 40), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(55), NO_DRUMS, NO_DRUMS, DRUMS(52)]) self.assertEqual(expected, list(drums)) self.assertEqual(14, drums.steps_per_bar) def testFromNotesTrimEmptyMeasures(self): testing_lib.add_track_to_sequence( self.note_sequence, 0, [(12, 100, 1.5, 1.75), (11, 100, 2, 2.25)], is_drum=True) quantized_sequence = sequences_lib.quantize_note_sequence( self.note_sequence, self.steps_per_quarter) drums = drums_lib.DrumTrack() drums.from_quantized_sequence(quantized_sequence, search_start_step=0) expected = [NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(12), NO_DRUMS, DRUMS(11)] self.assertEqual(expected, list(drums)) self.assertEqual(16, drums.steps_per_bar) def testFromNotesStepsPerBar(self): self.note_sequence.time_signatures[0].numerator = 7 self.note_sequence.time_signatures[0].denominator = 8 quantized_sequence = sequences_lib.quantize_note_sequence( self.note_sequence, steps_per_quarter=12) drums = drums_lib.DrumTrack() drums.from_quantized_sequence(quantized_sequence, search_start_step=0) self.assertEqual(42, drums.steps_per_bar) def testFromNotesStartAndEndStep(self): testing_lib.add_track_to_sequence( self.note_sequence, 0, [(12, 100, 1, 2), (11, 100, 2.25, 2.5), (13, 100, 3.25, 3.75), (14, 100, 8.75, 9), (15, 100, 9.25, 10.75)], is_drum=True) quantized_sequence = sequences_lib.quantize_note_sequence( self.note_sequence, self.steps_per_quarter) drums = drums_lib.DrumTrack() drums.from_quantized_sequence(quantized_sequence, search_start_step=18) expected = [NO_DRUMS, DRUMS(14), NO_DRUMS, DRUMS(15)] self.assertEqual(expected, list(drums)) self.assertEqual(34, drums.start_step) self.assertEqual(38, drums.end_step) def testSetLength(self): events = [DRUMS(60)] drums = drums_lib.DrumTrack(events, start_step=9) drums.set_length(5) self.assertListEqual([DRUMS(60), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS], list(drums)) self.assertEqual(9, drums.start_step) self.assertEqual(14, drums.end_step) drums = drums_lib.DrumTrack(events, start_step=9) drums.set_length(5, from_left=True) self.assertListEqual([NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(60)], list(drums)) self.assertEqual(5, drums.start_step) self.assertEqual(10, drums.end_step) events = [DRUMS(60), NO_DRUMS, NO_DRUMS, NO_DRUMS] drums = drums_lib.DrumTrack(events) drums.set_length(3) self.assertListEqual([DRUMS(60), NO_DRUMS, NO_DRUMS], list(drums)) self.assertEqual(0, drums.start_step) self.assertEqual(3, drums.end_step) drums = drums_lib.DrumTrack(events) drums.set_length(3, from_left=True) self.assertListEqual([NO_DRUMS, NO_DRUMS, NO_DRUMS], list(drums)) self.assertEqual(1, drums.start_step) self.assertEqual(4, drums.end_step) def testToSequenceSimple(self): drums = drums_lib.DrumTrack( [NO_DRUMS, DRUMS(1, 2), NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(2), DRUMS(3), NO_DRUMS, NO_DRUMS]) sequence = drums.to_sequence( velocity=10, sequence_start_time=2, qpm=60.0) self.assertProtoEquals( 'ticks_per_quarter: 220 ' 'tempos < qpm: 60.0 > ' 'total_time: 3.75 ' 'notes < ' ' pitch: 1 velocity: 10 instrument: 9 start_time: 2.25 end_time: 2.5 ' ' is_drum: true ' '> ' 'notes < ' ' pitch: 2 velocity: 10 instrument: 9 start_time: 2.25 end_time: 2.5 ' ' is_drum: true ' '> ' 'notes < ' ' pitch: 2 velocity: 10 instrument: 9 start_time: 3.25 end_time: 3.5 ' ' is_drum: true ' '> ' 'notes < ' ' pitch: 3 velocity: 10 instrument: 9 start_time: 3.5 end_time: 3.75 ' ' is_drum: true ' '> ', sequence) def testToSequenceEndsWithNonzeroStart(self): drums = drums_lib.DrumTrack([NO_DRUMS, DRUMS(1), NO_DRUMS], start_step=4) sequence = drums.to_sequence( velocity=100, sequence_start_time=0.5, qpm=60.0) self.assertProtoEquals( 'ticks_per_quarter: 220 ' 'tempos < qpm: 60.0 > ' 'total_time: 2.0 ' 'notes < ' ' pitch: 1 velocity: 100 instrument: 9 start_time: 1.75 end_time: 2.0 ' ' is_drum: true ' '> ', sequence) def testToSequenceEmpty(self): drums = drums_lib.DrumTrack() sequence = drums.to_sequence( velocity=10, sequence_start_time=2, qpm=60.0) self.assertProtoEquals( 'ticks_per_quarter: 220 ' 'tempos < qpm: 60.0 > ', sequence)Ancestors
- ProtoTestCase
- absl.testing.absltest.TestCase
- absl.third_party.unittest3_backport.case.TestCase
- unittest.case.TestCase
Methods
def testFromNotesStartAndEndStep(self)-
Expand source code
def testFromNotesStartAndEndStep(self): testing_lib.add_track_to_sequence( self.note_sequence, 0, [(12, 100, 1, 2), (11, 100, 2.25, 2.5), (13, 100, 3.25, 3.75), (14, 100, 8.75, 9), (15, 100, 9.25, 10.75)], is_drum=True) quantized_sequence = sequences_lib.quantize_note_sequence( self.note_sequence, self.steps_per_quarter) drums = drums_lib.DrumTrack() drums.from_quantized_sequence(quantized_sequence, search_start_step=18) expected = [NO_DRUMS, DRUMS(14), NO_DRUMS, DRUMS(15)] self.assertEqual(expected, list(drums)) self.assertEqual(34, drums.start_step) self.assertEqual(38, drums.end_step) def testFromNotesStepsPerBar(self)-
Expand source code
def testFromNotesStepsPerBar(self): self.note_sequence.time_signatures[0].numerator = 7 self.note_sequence.time_signatures[0].denominator = 8 quantized_sequence = sequences_lib.quantize_note_sequence( self.note_sequence, steps_per_quarter=12) drums = drums_lib.DrumTrack() drums.from_quantized_sequence(quantized_sequence, search_start_step=0) self.assertEqual(42, drums.steps_per_bar) def testFromNotesTrimEmptyMeasures(self)-
Expand source code
def testFromNotesTrimEmptyMeasures(self): testing_lib.add_track_to_sequence( self.note_sequence, 0, [(12, 100, 1.5, 1.75), (11, 100, 2, 2.25)], is_drum=True) quantized_sequence = sequences_lib.quantize_note_sequence( self.note_sequence, self.steps_per_quarter) drums = drums_lib.DrumTrack() drums.from_quantized_sequence(quantized_sequence, search_start_step=0) expected = [NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(12), NO_DRUMS, DRUMS(11)] self.assertEqual(expected, list(drums)) self.assertEqual(16, drums.steps_per_bar) def testFromQuantizedNoteSequence(self)-
Expand source code
def testFromQuantizedNoteSequence(self): testing_lib.add_track_to_sequence( self.note_sequence, 0, [(12, 100, 0.0, 10.0), (11, 55, 0.25, 0.50), (40, 45, 2.50, 3.50), (55, 120, 4.0, 4.25), (60, 100, 4.0, 5.5), (52, 99, 4.75, 5.0)], is_drum=True) quantized_sequence = sequences_lib.quantize_note_sequence( self.note_sequence, self.steps_per_quarter) drums = drums_lib.DrumTrack() drums.from_quantized_sequence(quantized_sequence, search_start_step=0) expected = ([DRUMS(12), DRUMS(11), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(40), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(55, 60), NO_DRUMS, NO_DRUMS, DRUMS(52)]) self.assertEqual(expected, list(drums)) self.assertEqual(16, drums.steps_per_bar) def testFromQuantizedNoteSequenceMultipleTracks(self)-
Expand source code
def testFromQuantizedNoteSequenceMultipleTracks(self): testing_lib.add_track_to_sequence( self.note_sequence, 0, [(12, 100, 0, 10), (40, 45, 2.5, 3.5), (60, 100, 4, 5.5)], is_drum=True) testing_lib.add_track_to_sequence( self.note_sequence, 1, [(11, 55, .25, .5), (55, 120, 4, 4.25), (52, 99, 4.75, 5)], is_drum=True) testing_lib.add_track_to_sequence( self.note_sequence, 2, [(13, 100, 0, 10), (14, 45, 2.5, 3.5), (15, 100, 4, 5.5)]) quantized_sequence = sequences_lib.quantize_note_sequence( self.note_sequence, self.steps_per_quarter) drums = drums_lib.DrumTrack() drums.from_quantized_sequence(quantized_sequence, search_start_step=0) expected = ([DRUMS(12), DRUMS(11), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(40), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(55, 60), NO_DRUMS, NO_DRUMS, DRUMS(52)]) self.assertEqual(expected, list(drums)) self.assertEqual(16, drums.steps_per_bar) def testFromQuantizedNoteSequenceNotCommonTimeSig(self)-
Expand source code
def testFromQuantizedNoteSequenceNotCommonTimeSig(self): self.note_sequence.time_signatures[0].numerator = 7 self.note_sequence.time_signatures[0].denominator = 8 testing_lib.add_track_to_sequence( self.note_sequence, 0, [(12, 100, 0, 10), (11, 55, .25, .5), (40, 45, 2.5, 3.5), (30, 80, 2.5, 2.75), (55, 120, 4, 4.25), (52, 99, 4.75, 5)], is_drum=True) quantized_sequence = sequences_lib.quantize_note_sequence( self.note_sequence, self.steps_per_quarter) drums = drums_lib.DrumTrack() drums.from_quantized_sequence(quantized_sequence, search_start_step=0) expected = ([DRUMS(12), DRUMS(11), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(30, 40), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(55), NO_DRUMS, NO_DRUMS, DRUMS(52)]) self.assertEqual(expected, list(drums)) self.assertEqual(14, drums.steps_per_bar) def testSetLength(self)-
Expand source code
def testSetLength(self): events = [DRUMS(60)] drums = drums_lib.DrumTrack(events, start_step=9) drums.set_length(5) self.assertListEqual([DRUMS(60), NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS], list(drums)) self.assertEqual(9, drums.start_step) self.assertEqual(14, drums.end_step) drums = drums_lib.DrumTrack(events, start_step=9) drums.set_length(5, from_left=True) self.assertListEqual([NO_DRUMS, NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(60)], list(drums)) self.assertEqual(5, drums.start_step) self.assertEqual(10, drums.end_step) events = [DRUMS(60), NO_DRUMS, NO_DRUMS, NO_DRUMS] drums = drums_lib.DrumTrack(events) drums.set_length(3) self.assertListEqual([DRUMS(60), NO_DRUMS, NO_DRUMS], list(drums)) self.assertEqual(0, drums.start_step) self.assertEqual(3, drums.end_step) drums = drums_lib.DrumTrack(events) drums.set_length(3, from_left=True) self.assertListEqual([NO_DRUMS, NO_DRUMS, NO_DRUMS], list(drums)) self.assertEqual(1, drums.start_step) self.assertEqual(4, drums.end_step) def testToSequenceEmpty(self)-
Expand source code
def testToSequenceEmpty(self): drums = drums_lib.DrumTrack() sequence = drums.to_sequence( velocity=10, sequence_start_time=2, qpm=60.0) self.assertProtoEquals( 'ticks_per_quarter: 220 ' 'tempos < qpm: 60.0 > ', sequence) def testToSequenceEndsWithNonzeroStart(self)-
Expand source code
def testToSequenceEndsWithNonzeroStart(self): drums = drums_lib.DrumTrack([NO_DRUMS, DRUMS(1), NO_DRUMS], start_step=4) sequence = drums.to_sequence( velocity=100, sequence_start_time=0.5, qpm=60.0) self.assertProtoEquals( 'ticks_per_quarter: 220 ' 'tempos < qpm: 60.0 > ' 'total_time: 2.0 ' 'notes < ' ' pitch: 1 velocity: 100 instrument: 9 start_time: 1.75 end_time: 2.0 ' ' is_drum: true ' '> ', sequence) def testToSequenceSimple(self)-
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def testToSequenceSimple(self): drums = drums_lib.DrumTrack( [NO_DRUMS, DRUMS(1, 2), NO_DRUMS, NO_DRUMS, NO_DRUMS, DRUMS(2), DRUMS(3), NO_DRUMS, NO_DRUMS]) sequence = drums.to_sequence( velocity=10, sequence_start_time=2, qpm=60.0) self.assertProtoEquals( 'ticks_per_quarter: 220 ' 'tempos < qpm: 60.0 > ' 'total_time: 3.75 ' 'notes < ' ' pitch: 1 velocity: 10 instrument: 9 start_time: 2.25 end_time: 2.5 ' ' is_drum: true ' '> ' 'notes < ' ' pitch: 2 velocity: 10 instrument: 9 start_time: 2.25 end_time: 2.5 ' ' is_drum: true ' '> ' 'notes < ' ' pitch: 2 velocity: 10 instrument: 9 start_time: 3.25 end_time: 3.5 ' ' is_drum: true ' '> ' 'notes < ' ' pitch: 3 velocity: 10 instrument: 9 start_time: 3.5 end_time: 3.75 ' ' is_drum: true ' '> ', sequence)
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