File size: 9,704 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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
# 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.
"""event2midi_test.py:

This file contains tests for the following classes:
• event2note_event
• note_event2note

"""
import unittest
import pytest
from numpy import random
from assert_fns import assert_notes_almost_equal
from utils.note_event_dataclasses import Event, Note, NoteEvent
from utils.event2note import event2note_event
from utils.event2note import note_event2note


# yapf: disable
class TestEvent2NoteEvent(unittest.TestCase):
    def test_event2note_event(self):
        events = [
            Event('program', 33), Event('pitch', 60),
            Event('program', 52), Event('pitch', 40),
            Event('tie', 0),
            Event('shift', 20), Event('velocity', 1), Event('drum', 36),
            Event('shift', 150), Event('program', 33), Event('velocity', 0), Event('pitch', 60),
            Event('shift', 160), Event('velocity', 1), Event('pitch', 62), Event('program', 100),
                                Event('pitch', 77),
            Event('shift', 200), Event('velocity', 0), Event('pitch', 77),
            Event('shift', 250), Event('velocity', 1), Event('drum', 38),
            Event('shift', 300), Event('velocity', 0), Event('program', 33), Event('pitch', 62)
        ]

        note_events, tie_note_events, last_activity, err_cnt = event2note_event(events, start_time=0, sort=False, tps=100)
        self.assertEqual(len(err_cnt), 0)
        expected_note_events = [NoteEvent(True, 128, 0.2, 1, 36),
                                NoteEvent(False, 33, 1.5, 0, 60),
                                NoteEvent(False, 33, 1.6, 1, 62),
                                NoteEvent(False, 100, 1.6, 1, 77),
                                NoteEvent(False, 100, 2.0, 0, 77),
                                NoteEvent(True, 128, 2.5, 1, 38),
                                NoteEvent(False, 33, 3.0, 0, 62)]
        expected_tie_note_events = [NoteEvent(False, 33, None, 1, 60),
                                    NoteEvent(False, 52, None, 1, 40)]
        expected_last_activity = [(52, 40)]
        self.assertSequenceEqual(note_events, expected_note_events)
        self.assertSequenceEqual(tie_note_events, expected_tie_note_events)
        self.assertSequenceEqual(last_activity, expected_last_activity)

class TestEvent2NoteEventInvalidInputWarn(unittest.TestCase):
    def test_event2note_event_with_invalid_shift_value(self):
        events = [Event('tie', 0), Event('shift', 0), Event('shift', 1050)] # shift: 0 <= value <= 1000
        _, _, _, err_cnt = event2note_event(events, start_time=0, sort=True, tps=100)
        self.assertEqual(err_cnt['Err/Shift out of range'], 2)

    def test_event2note_event_with_invalid_pitch_event(self):
        events = [Event('pitch', 60), Event('tie', 0)] # pitch event must follow a program event
        _, _, _, err_cnt = event2note_event(events, start_time=0, sort=True, tps=100)
        self.assertEqual(err_cnt['Err/Missing prg in tie'], 1)

    def test_event2note_event_with_invalid_tie_event(self):
        events = [Event('shift', 10)]
        _, _, _, err_cnt = event2note_event(events, start_time=0, sort=True, tps=100)
        self.assertEqual(err_cnt['Err/Missing tie'], 1)

class TestEvent2NoteEventSpecialEvent(unittest.TestCase):
    def test_note_event2note_special_events(self):
        events = [Event('program', 33), Event('pitch', 60),
                  Event('tie', 0),
                  Event('shift', 10), Event('program', 33), Event('velocity', 0), Event('pitch', 60),
                  Event('EOS', 0), Event('PAD', 0), # <- will stop decoding at this point...
                  Event('shift', 20), Event('velocity', 1), Event('pitch', 20),
                  Event('shift', 30), Event('velocity', 1), Event('pitch', 20),]
        note_events, tie_note_events, _, err_cnt = event2note_event(events, start_time=0)
        print(note_events)
        self.assertEqual(len(note_events), 1)
        self.assertEqual(len(tie_note_events), 1)
        self.assertEqual(len(err_cnt), 0)


class TestNoteEvent2Note(unittest.TestCase):

    def test_note_event2note(self):

        note_events = [NoteEvent(is_drum=False, program=33, time=0, velocity=1, pitch=60),
        NoteEvent(is_drum=False, program=33, time=1.5, velocity=0, pitch=60),
        NoteEvent(is_drum=False, program=33, time=1.6, velocity=1, pitch=62),
        NoteEvent(is_drum=False, program=33, time=3.0, velocity=0, pitch=62),
        NoteEvent(is_drum=False, program=100, time=1.6, velocity=1, pitch=77),
        NoteEvent(is_drum=False, program=100, time=2.0, velocity=0, pitch=77),
        NoteEvent(is_drum=True, program=128, time=0.2, velocity=1, pitch=36),
        NoteEvent(is_drum=True, program=128, time=2.5, velocity=1, pitch=38)
        ]
        notes, err_cnt = note_event2note(note_events, sort=True)

        expected_notes = [
            Note(is_drum=False, program=33, onset=0, offset=1.5, pitch=60, velocity=1),
            Note(is_drum=True, program=128, onset=0.2, offset=0.21, pitch=36, velocity=1),
            Note(is_drum=False, program=33, onset=1.6, offset=3.0, pitch=62, velocity=1),
            Note(is_drum=False, program=100, onset=1.6, offset=2.0, pitch=77, velocity=1),
            Note(is_drum=True, program=128, onset=2.5, offset=2.51, pitch=38, velocity=1)
            ]
        self.assertEqual(len(err_cnt), 0)
        assert_notes_almost_equal(notes, expected_notes, delta=5e-3)


    def test_note_event2note_simple_cases(self):
        # Case 1: Basic test case with two notes
        note_events = [
            NoteEvent(is_drum=False, program=0, time=0.1, velocity=1, pitch=60),
            NoteEvent(is_drum=False, program=0, time=0.5, velocity=0, pitch=60),
            NoteEvent(is_drum=False, program=0, time=0.7, velocity=1, pitch=62),
            NoteEvent(is_drum=False, program=0, time=1.5, velocity=0, pitch=62),
        ]

        expected_notes = [
            Note(is_drum=False, program=0, onset=0.1, offset=0.5, pitch=60, velocity=1),
            Note(is_drum=False, program=0, onset=0.7, offset=1.5, pitch=62, velocity=1),
        ]
        notes, err_cnt = note_event2note(note_events)
        self.assertEqual(len(err_cnt), 0)
        self.assertSequenceEqual(notes, expected_notes)

        # Case 2: Test with drum notes
        note_events = [
            NoteEvent(is_drum=True, program=128, time=0.2, velocity=1, pitch=36),
            NoteEvent(is_drum=True, program=128, time=0.3, velocity=1, pitch=38),
            NoteEvent(is_drum=True, program=128, time=0.4, velocity=0, pitch=36),
            NoteEvent(is_drum=True, program=128, time=0.5, velocity=0, pitch=38),
        ]

        expected_notes = [
            Note(is_drum=True, program=128, onset=0.2, offset=0.21, pitch=36, velocity=1),
            Note(is_drum=True, program=128, onset=0.3, offset=0.31, pitch=38, velocity=1),
        ]
        notes, err_cnt = note_event2note(note_events)
        self.assertEqual(len(err_cnt), 0)
        assert_notes_almost_equal(notes, expected_notes, delta=5.1e-3)


    def test_note_event2note_multiple_overlapping_notes(self):

        note_events = [
            NoteEvent(is_drum=False, program=1, time=0.0, velocity=1, pitch=60),
            NoteEvent(is_drum=False, program=1, time=0.5, velocity=0, pitch=60),
            NoteEvent(is_drum=False, program=1, time=1.0, velocity=1, pitch=62),
            NoteEvent(is_drum=False, program=1, time=1.5, velocity=0, pitch=62),
            NoteEvent(is_drum=False, program=2, time=0.25, velocity=1, pitch=60),
            NoteEvent(is_drum=False, program=2, time=0.75, velocity=0, pitch=60),
            NoteEvent(is_drum=False, program=2, time=1.25, velocity=1, pitch=62),
            NoteEvent(is_drum=False, program=2, time=1.75, velocity=0, pitch=62),
            NoteEvent(is_drum=False, program=3, time=0.0, velocity=1, pitch=64),
            NoteEvent(is_drum=False, program=3, time=1.0, velocity=0, pitch=64),
            NoteEvent(is_drum=False, program=4, time=0.5, velocity=1, pitch=66),
            NoteEvent(is_drum=False, program=4, time=1.5, velocity=0, pitch=66),
            NoteEvent(is_drum=False, program=4, time=0.75, velocity=1, pitch=67),
            NoteEvent(is_drum=False, program=4, time=1.75, velocity=0, pitch=67),
            NoteEvent(is_drum=False, program=4, time=1.0, velocity=1, pitch=69),
            NoteEvent(is_drum=False, program=4, time=2.0, velocity=0, pitch=69)
        ]

        expected_notes = [
            Note(is_drum=False, program=1, onset=0.0, offset=0.5, pitch=60, velocity=1),
            Note(is_drum=False, program=3, onset=0.0, offset=1.0, pitch=64, velocity=1),
            Note(is_drum=False, program=2, onset=0.25, offset=0.75, pitch=60, velocity=1),
            Note(is_drum=False, program=4, onset=0.5, offset=1.5, pitch=66, velocity=1),
            Note(is_drum=False, program=4, onset=0.75, offset=1.75, pitch=67, velocity=1),
            Note(is_drum=False, program=1, onset=1.0, offset=1.5, pitch=62, velocity=1),
            Note(is_drum=False, program=4, onset=1.0, offset=2.0, pitch=69, velocity=1),
            Note(is_drum=False, program=2, onset=1.25, offset=1.75, pitch=62, velocity=1)
        ]

        notes, err_cnt = note_event2note(note_events)
        self.assertEqual(len(err_cnt), 0)
        assert_notes_almost_equal(notes, expected_notes, delta=5e-3)

# yapf: enable
if __name__ == '__main__':
    unittest.main()