python (3.11.7)
1 import unittest
2 from test import audiotests
3 from test import support
4 import io
5 import struct
6 import sys
7 import wave
8
9
10 class ESC[4;38;5;81mWaveTest(ESC[4;38;5;149maudiotestsESC[4;38;5;149m.ESC[4;38;5;149mAudioWriteTests,
11 ESC[4;38;5;149maudiotestsESC[4;38;5;149m.ESC[4;38;5;149mAudioTestsWithSourceFile):
12 module = wave
13
14
15 class ESC[4;38;5;81mWavePCM8Test(ESC[4;38;5;149mWaveTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
16 sndfilename = 'pluck-pcm8.wav'
17 sndfilenframes = 3307
18 nchannels = 2
19 sampwidth = 1
20 framerate = 11025
21 nframes = 48
22 comptype = 'NONE'
23 compname = 'not compressed'
24 frames = bytes.fromhex("""\
25 827F CB80 B184 0088 4B86 C883 3F81 837E 387A 3473 A96B 9A66 \
26 6D64 4662 8E60 6F60 D762 7B68 936F 5877 177B 757C 887B 5F7B \
27 917A BE7B 3C7C E67F 4F84 C389 418E D192 6E97 0296 FF94 0092 \
28 C98E D28D 6F8F 4E8F 648C E38A 888A AB8B D18E 0B91 368E C48A \
29 """)
30
31
32 class ESC[4;38;5;81mWavePCM16Test(ESC[4;38;5;149mWaveTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
33 sndfilename = 'pluck-pcm16.wav'
34 sndfilenframes = 3307
35 nchannels = 2
36 sampwidth = 2
37 framerate = 11025
38 nframes = 48
39 comptype = 'NONE'
40 compname = 'not compressed'
41 frames = bytes.fromhex("""\
42 022EFFEA 4B5C00F9 311404EF 80DC0843 CBDF06B2 48AA03F3 BFE701B2 036BFE7C \
43 B857FA3E B4B2F34F 2999EBCA 1A5FE6D7 EDFCE491 C626E279 0E05E0B8 EF27E02D \
44 5754E275 FB31E843 1373EF89 D827F72C 978BFB7A F5F7FC11 0866FB9C DF30FB42 \
45 117FFA36 3EE4FB5D BC75FCB6 66D5FF5F CF16040E 43220978 C1BC0EC8 511F12A4 \
46 EEDF1755 82061666 7FFF1446 80001296 499C0EB2 52BA0DB9 EFB70F5C CE400FBC \
47 E4B50CEB 63440A5A 08CA0A1F 2BBA0B0B 51460E47 8BCB113C B6F50EEA 44150A59 \
48 """)
49 if sys.byteorder != 'big':
50 frames = wave._byteswap(frames, 2)
51
52
53 class ESC[4;38;5;81mWavePCM24Test(ESC[4;38;5;149mWaveTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
54 sndfilename = 'pluck-pcm24.wav'
55 sndfilenframes = 3307
56 nchannels = 2
57 sampwidth = 3
58 framerate = 11025
59 nframes = 48
60 comptype = 'NONE'
61 compname = 'not compressed'
62 frames = bytes.fromhex("""\
63 022D65FFEB9D 4B5A0F00FA54 3113C304EE2B 80DCD6084303 \
64 CBDEC006B261 48A99803F2F8 BFE82401B07D 036BFBFE7B5D \
65 B85756FA3EC9 B4B055F3502B 299830EBCB62 1A5CA7E6D99A \
66 EDFA3EE491BD C625EBE27884 0E05A9E0B6CF EF2929E02922 \
67 5758D8E27067 FB3557E83E16 1377BFEF8402 D82C5BF7272A \
68 978F16FB7745 F5F865FC1013 086635FB9C4E DF30FCFB40EE \
69 117FE0FA3438 3EE6B8FB5AC3 BC77A3FCB2F4 66D6DAFF5F32 \
70 CF13B9041275 431D69097A8C C1BB600EC74E 5120B912A2BA \
71 EEDF641754C0 8207001664B7 7FFFFF14453F 8000001294E6 \
72 499C1B0EB3B2 52B73E0DBCA0 EFB2B20F5FD8 CE3CDB0FBE12 \
73 E4B49C0CEA2D 6344A80A5A7C 08C8FE0A1FFE 2BB9860B0A0E \
74 51486F0E44E1 8BCC64113B05 B6F4EC0EEB36 4413170A5B48 \
75 """)
76 if sys.byteorder != 'big':
77 frames = wave._byteswap(frames, 3)
78
79
80 class ESC[4;38;5;81mWavePCM32Test(ESC[4;38;5;149mWaveTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
81 sndfilename = 'pluck-pcm32.wav'
82 sndfilenframes = 3307
83 nchannels = 2
84 sampwidth = 4
85 framerate = 11025
86 nframes = 48
87 comptype = 'NONE'
88 compname = 'not compressed'
89 frames = bytes.fromhex("""\
90 022D65BCFFEB9D92 4B5A0F8000FA549C 3113C34004EE2BC0 80DCD680084303E0 \
91 CBDEC0C006B26140 48A9980003F2F8FC BFE8248001B07D92 036BFB60FE7B5D34 \
92 B8575600FA3EC920 B4B05500F3502BC0 29983000EBCB6240 1A5CA7A0E6D99A60 \
93 EDFA3E80E491BD40 C625EB80E27884A0 0E05A9A0E0B6CFE0 EF292940E0292280 \
94 5758D800E2706700 FB3557D8E83E1640 1377BF00EF840280 D82C5B80F7272A80 \
95 978F1600FB774560 F5F86510FC101364 086635A0FB9C4E20 DF30FC40FB40EE28 \
96 117FE0A0FA3438B0 3EE6B840FB5AC3F0 BC77A380FCB2F454 66D6DA80FF5F32B4 \
97 CF13B980041275B0 431D6980097A8C00 C1BB60000EC74E00 5120B98012A2BAA0 \
98 EEDF64C01754C060 820700001664B780 7FFFFFFF14453F40 800000001294E6E0 \
99 499C1B000EB3B270 52B73E000DBCA020 EFB2B2E00F5FD880 CE3CDB400FBE1270 \
100 E4B49CC00CEA2D90 6344A8800A5A7CA0 08C8FE800A1FFEE0 2BB986C00B0A0E00 \
101 51486F800E44E190 8BCC6480113B0580 B6F4EC000EEB3630 441317800A5B48A0 \
102 """)
103 if sys.byteorder != 'big':
104 frames = wave._byteswap(frames, 4)
105
106
107 class ESC[4;38;5;81mMiscTestCase(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
108 def test__all__(self):
109 support.check__all__(self, wave, not_exported={'WAVE_FORMAT_PCM'})
110
111
112 class ESC[4;38;5;81mWaveLowLevelTest(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
113
114 def test_read_no_chunks(self):
115 b = b'SPAM'
116 with self.assertRaises(EOFError):
117 wave.open(io.BytesIO(b))
118
119 def test_read_no_riff_chunk(self):
120 b = b'SPAM' + struct.pack('<L', 0)
121 with self.assertRaisesRegex(wave.Error,
122 'file does not start with RIFF id'):
123 wave.open(io.BytesIO(b))
124
125 def test_read_not_wave(self):
126 b = b'RIFF' + struct.pack('<L', 4) + b'SPAM'
127 with self.assertRaisesRegex(wave.Error,
128 'not a WAVE file'):
129 wave.open(io.BytesIO(b))
130
131 def test_read_no_fmt_no_data_chunk(self):
132 b = b'RIFF' + struct.pack('<L', 4) + b'WAVE'
133 with self.assertRaisesRegex(wave.Error,
134 'fmt chunk and/or data chunk missing'):
135 wave.open(io.BytesIO(b))
136
137 def test_read_no_data_chunk(self):
138 b = b'RIFF' + struct.pack('<L', 28) + b'WAVE'
139 b += b'fmt ' + struct.pack('<LHHLLHH', 16, 1, 1, 11025, 11025, 1, 8)
140 with self.assertRaisesRegex(wave.Error,
141 'fmt chunk and/or data chunk missing'):
142 wave.open(io.BytesIO(b))
143
144 def test_read_no_fmt_chunk(self):
145 b = b'RIFF' + struct.pack('<L', 12) + b'WAVE'
146 b += b'data' + struct.pack('<L', 0)
147 with self.assertRaisesRegex(wave.Error, 'data chunk before fmt chunk'):
148 wave.open(io.BytesIO(b))
149
150 def test_read_wrong_form(self):
151 b = b'RIFF' + struct.pack('<L', 36) + b'WAVE'
152 b += b'fmt ' + struct.pack('<LHHLLHH', 16, 2, 1, 11025, 11025, 1, 1)
153 b += b'data' + struct.pack('<L', 0)
154 with self.assertRaisesRegex(wave.Error, 'unknown format: 2'):
155 wave.open(io.BytesIO(b))
156
157 def test_read_wrong_number_of_channels(self):
158 b = b'RIFF' + struct.pack('<L', 36) + b'WAVE'
159 b += b'fmt ' + struct.pack('<LHHLLHH', 16, 1, 0, 11025, 11025, 1, 8)
160 b += b'data' + struct.pack('<L', 0)
161 with self.assertRaisesRegex(wave.Error, 'bad # of channels'):
162 wave.open(io.BytesIO(b))
163
164 def test_read_wrong_sample_width(self):
165 b = b'RIFF' + struct.pack('<L', 36) + b'WAVE'
166 b += b'fmt ' + struct.pack('<LHHLLHH', 16, 1, 1, 11025, 11025, 1, 0)
167 b += b'data' + struct.pack('<L', 0)
168 with self.assertRaisesRegex(wave.Error, 'bad sample width'):
169 wave.open(io.BytesIO(b))
170
171
172 if __name__ == '__main__':
173 unittest.main()
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