Module note_seq.musicnet_io_test
Tests for MusicNet data parsing.
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 MusicNet data parsing."""
import os
from absl.testing import absltest
from note_seq import musicnet_io
from note_seq import testing_lib
import numpy as np
class MusicNetIoTest(absltest.TestCase):
def setUp(self):
super().setUp()
# This example archive contains a single file consisting of just a major
# chord.
self.musicnet_example_filename = os.path.join(
testing_lib.get_testdata_dir(), 'musicnet_example.npz')
def testNoteIntervalTreeToSequenceProto(self):
# allow_pickle is required because the npz files contain intervaltrees.
example = np.load(
self.musicnet_example_filename, encoding='latin1', allow_pickle=True)
note_interval_tree = example['test'][1]
sequence = musicnet_io.note_interval_tree_to_sequence_proto(
note_interval_tree, 44100)
self.assertLen(sequence.notes, 3)
self.assertEqual(72, min(note.pitch for note in sequence.notes))
self.assertEqual(79, max(note.pitch for note in sequence.notes))
self.assertTrue(all(note.instrument == 0 for note in sequence.notes))
self.assertTrue(all(note.program == 41 for note in sequence.notes))
self.assertEqual(0.5, sequence.total_time)
def testMusicNetIterator(self):
iterator = musicnet_io.musicnet_iterator(self.musicnet_example_filename)
pairs = list(iterator)
audio, sequence = pairs[0]
self.assertLen(pairs, 1)
self.assertEqual('test', sequence.filename)
self.assertEqual('MusicNet', sequence.collection_name)
self.assertEqual('/id/musicnet/test', sequence.id)
self.assertLen(sequence.notes, 3)
self.assertLen(audio, 66150)
if __name__ == '__main__':
absltest.main()
Classes
class MusicNetIoTest (*args, **kwargs)
-
Extension of unittest.TestCase providing more power.
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 MusicNetIoTest(absltest.TestCase): def setUp(self): super().setUp() # This example archive contains a single file consisting of just a major # chord. self.musicnet_example_filename = os.path.join( testing_lib.get_testdata_dir(), 'musicnet_example.npz') def testNoteIntervalTreeToSequenceProto(self): # allow_pickle is required because the npz files contain intervaltrees. example = np.load( self.musicnet_example_filename, encoding='latin1', allow_pickle=True) note_interval_tree = example['test'][1] sequence = musicnet_io.note_interval_tree_to_sequence_proto( note_interval_tree, 44100) self.assertLen(sequence.notes, 3) self.assertEqual(72, min(note.pitch for note in sequence.notes)) self.assertEqual(79, max(note.pitch for note in sequence.notes)) self.assertTrue(all(note.instrument == 0 for note in sequence.notes)) self.assertTrue(all(note.program == 41 for note in sequence.notes)) self.assertEqual(0.5, sequence.total_time) def testMusicNetIterator(self): iterator = musicnet_io.musicnet_iterator(self.musicnet_example_filename) pairs = list(iterator) audio, sequence = pairs[0] self.assertLen(pairs, 1) self.assertEqual('test', sequence.filename) self.assertEqual('MusicNet', sequence.collection_name) self.assertEqual('/id/musicnet/test', sequence.id) self.assertLen(sequence.notes, 3) self.assertLen(audio, 66150)
Ancestors
- absl.testing.absltest.TestCase
- absl.third_party.unittest3_backport.case.TestCase
- unittest.case.TestCase
Methods
def setUp(self)
-
Hook method for setting up the test fixture before exercising it.
Expand source code
def setUp(self): super().setUp() # This example archive contains a single file consisting of just a major # chord. self.musicnet_example_filename = os.path.join( testing_lib.get_testdata_dir(), 'musicnet_example.npz')
def testMusicNetIterator(self)
-
Expand source code
def testMusicNetIterator(self): iterator = musicnet_io.musicnet_iterator(self.musicnet_example_filename) pairs = list(iterator) audio, sequence = pairs[0] self.assertLen(pairs, 1) self.assertEqual('test', sequence.filename) self.assertEqual('MusicNet', sequence.collection_name) self.assertEqual('/id/musicnet/test', sequence.id) self.assertLen(sequence.notes, 3) self.assertLen(audio, 66150)
def testNoteIntervalTreeToSequenceProto(self)
-
Expand source code
def testNoteIntervalTreeToSequenceProto(self): # allow_pickle is required because the npz files contain intervaltrees. example = np.load( self.musicnet_example_filename, encoding='latin1', allow_pickle=True) note_interval_tree = example['test'][1] sequence = musicnet_io.note_interval_tree_to_sequence_proto( note_interval_tree, 44100) self.assertLen(sequence.notes, 3) self.assertEqual(72, min(note.pitch for note in sequence.notes)) self.assertEqual(79, max(note.pitch for note in sequence.notes)) self.assertTrue(all(note.instrument == 0 for note in sequence.notes)) self.assertTrue(all(note.program == 41 for note in sequence.notes)) self.assertEqual(0.5, sequence.total_time)