File size: 5,886 Bytes
a03c9b4 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 |
# Copyright 2024 The YourMT3 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
#
# Please see the details in the LICENSE file.
"""event_codec_test.py:
This file contains tests for the following classes:
• Event
• EventRange
• FastCodec equivalent to MT3 author's Codec
See tokenizer_test.py for the FastCodec performance benchmark
"""
import unittest
from utils.note_event_dataclasses import Event, EventRange
from utils.event_codec import FastCodec as Codec
# from utils.event_codec import Codec
class TestEvent(unittest.TestCase):
def test_Event(self):
e = Event(type='shift', value=0)
self.assertEqual(e.type, 'shift')
self.assertEqual(e.value, 0)
class TestEventRange(unittest.TestCase):
def test_EventRange(self):
er = EventRange('abc', min_value=0, max_value=500)
self.assertEqual(er.type, 'abc')
self.assertEqual(er.min_value, 0)
self.assertEqual(er.max_value, 500)
class TestEventCodec(unittest.TestCase):
def test_event_codec(self):
ec = Codec(
special_tokens=['asd'],
max_shift_steps=1001,
event_ranges=[
EventRange('pitch', min_value=0, max_value=127),
EventRange('velocity', min_value=0, max_value=1),
EventRange('tie', min_value=0, max_value=0),
EventRange('program', min_value=0, max_value=127),
EventRange('drum', min_value=0, max_value=127),
],
)
events = [
Event(type='shift', value=0), # actually not needed
Event(type='shift', value=1), # 10 ms shift
Event(type='shift', value=1000), # 10 s shift
Event(type='pitch', value=0), # lowest pitch 8.18 Hz
Event(type='pitch', value=60), # C4 or 261.63 Hz
Event(type='pitch', value=127), # highest pitch G9 or 12543.85 Hz
Event(type='velocity', value=0), # lowest velocity)
Event(type='velocity', value=1), # lowest velocity)
Event(type='tie', value=0), # tie
Event(type='program', value=0), # program
Event(type='program', value=127), # program
Event(type='drum', value=0), # drum
Event(type='drum', value=127), # drum
]
encoded = [ec.encode_event(e) for e in events]
decoded = [ec.decode_event_index(idx) for idx in encoded]
self.assertSequenceEqual(events, decoded)
class TestEventCodecErrorCases(unittest.TestCase):
def setUp(self):
self.event_ranges = [
EventRange("program", 0, 127),
EventRange("pitch", 0, 127),
EventRange("velocity", 0, 3),
EventRange("drum", 0, 127),
EventRange("tie", 0, 1),
]
self.ec = Codec([], 1000, self.event_ranges)
def test_encode_event_with_invalid_event_type(self):
with self.assertRaises(ValueError):
self.ec.encode_event(Event("unknown_event_type", 50))
def test_encode_event_with_invalid_event_value(self):
with self.assertRaises(ValueError):
self.ec.encode_event(Event("program", 200))
def test_event_type_range_with_invalid_event_type(self):
with self.assertRaises(ValueError):
self.ec.event_type_range("unknown_event_type")
def test_decode_event_index_with_invalid_index(self):
with self.assertRaises(ValueError):
self.ec.decode_event_index(1000000)
class TestEventCodecVocabulary(unittest.TestCase):
def test_encode_event_using_program_vocabulary(self):
prog_vocab = {"Piano": [0, 1, 2, 3, 4, 5, 6, 7], "xxx": [50, 30, 120]}
ec = Codec(special_tokens=['asd'],
max_shift_steps=1001,
event_ranges=[
EventRange('pitch', min_value=0, max_value=127),
EventRange('velocity', min_value=0, max_value=1),
EventRange('tie', min_value=0, max_value=0),
EventRange('program', min_value=0, max_value=127),
EventRange('drum', min_value=0, max_value=127),
],
program_vocabulary=prog_vocab)
events = [
Event(type='program', value=0), # 0 --> 0
Event(type='program', value=7), # 7 --> 0
Event(type='program', value=111), # 111 --> 111
Event(type='program', value=30), # 30 --> 50
]
encoded = [ec.encode_event(e) for e in events]
expected = [1133, 1133, 1244, 1183]
self.assertSequenceEqual(encoded, expected)
def test_encode_event_using_drum_vocabulary(self):
drum_vocab = {"Kick": [50, 51, 52], "Snare": [53, 54]}
ec = Codec(special_tokens=['asd'],
max_shift_steps=1001,
event_ranges=[
EventRange('pitch', min_value=0, max_value=127),
EventRange('velocity', min_value=0, max_value=1),
EventRange('tie', min_value=0, max_value=0),
EventRange('program', min_value=0, max_value=127),
EventRange('drum', min_value=0, max_value=127),
],
drum_vocabulary=drum_vocab)
events = [
Event(type='drum', value=50),
Event(type='drum', value=51),
Event(type='drum', value=53),
Event(type='drum', value=54),
]
encoded = [ec.encode_event(e) for e in events]
self.assertEqual(encoded[0], encoded[1])
self.assertEqual(encoded[2], encoded[3])
if __name__ == '__main__':
unittest.main()
|