1 from test.support import findfile
2 from test.support.os_helper import TESTFN, unlink
3 from test.support.warnings_helper import check_no_resource_warning, import_deprecated
4 import unittest
5 from unittest import mock
6 from test import audiotests
7 import io
8 import sys
9 import struct
10
11
12 aifc = import_deprecated("aifc")
13 audioop = import_deprecated("audioop")
14
15
16 class ESC[4;38;5;81mAifcTest(ESC[4;38;5;149maudiotestsESC[4;38;5;149m.ESC[4;38;5;149mAudioWriteTests,
17 ESC[4;38;5;149maudiotestsESC[4;38;5;149m.ESC[4;38;5;149mAudioTestsWithSourceFile):
18 module = aifc
19 close_fd = True
20 test_unseekable_read = None
21
22
23 class ESC[4;38;5;81mAifcPCM8Test(ESC[4;38;5;149mAifcTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
24 sndfilename = 'pluck-pcm8.aiff'
25 sndfilenframes = 3307
26 nchannels = 2
27 sampwidth = 1
28 framerate = 11025
29 nframes = 48
30 comptype = b'NONE'
31 compname = b'not compressed'
32 frames = bytes.fromhex("""\
33 02FF 4B00 3104 8008 CB06 4803 BF01 03FE B8FA B4F3 29EB 1AE6 \
34 EDE4 C6E2 0EE0 EFE0 57E2 FBE8 13EF D8F7 97FB F5FC 08FB DFFB \
35 11FA 3EFB BCFC 66FF CF04 4309 C10E 5112 EE17 8216 7F14 8012 \
36 490E 520D EF0F CE0F E40C 630A 080A 2B0B 510E 8B11 B60E 440A \
37 """)
38
39
40 class ESC[4;38;5;81mAifcPCM16Test(ESC[4;38;5;149mAifcTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
41 sndfilename = 'pluck-pcm16.aiff'
42 sndfilenframes = 3307
43 nchannels = 2
44 sampwidth = 2
45 framerate = 11025
46 nframes = 48
47 comptype = b'NONE'
48 compname = b'not compressed'
49 frames = bytes.fromhex("""\
50 022EFFEA 4B5D00F6 311804EA 80E10840 CBE106B1 48A903F5 BFE601B2 036CFE7B \
51 B858FA3E B4B1F34F 299AEBCA 1A5DE6DA EDFAE491 C628E275 0E09E0B5 EF2AE029 \
52 5758E271 FB35E83F 1376EF86 D82BF727 9790FB76 F5FAFC0F 0867FB9C DF30FB43 \
53 117EFA36 3EE5FB5B BC79FCB1 66D9FF5D CF150412 431D097C C1BA0EC8 512112A1 \
54 EEE21753 82071665 7FFF1443 8004128F 49A20EAF 52BB0DBA EFB40F60 CE3C0FBF \
55 E4B30CEC 63430A5C 08C80A20 2BBB0B08 514A0E43 8BCF1139 B6F60EEB 44120A5E \
56 """)
57
58
59 class ESC[4;38;5;81mAifcPCM24Test(ESC[4;38;5;149mAifcTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
60 sndfilename = 'pluck-pcm24.aiff'
61 sndfilenframes = 3307
62 nchannels = 2
63 sampwidth = 3
64 framerate = 11025
65 nframes = 48
66 comptype = b'NONE'
67 compname = b'not compressed'
68 frames = bytes.fromhex("""\
69 022D65FFEB9D 4B5A0F00FA54 3113C304EE2B 80DCD6084303 \
70 CBDEC006B261 48A99803F2F8 BFE82401B07D 036BFBFE7B5D \
71 B85756FA3EC9 B4B055F3502B 299830EBCB62 1A5CA7E6D99A \
72 EDFA3EE491BD C625EBE27884 0E05A9E0B6CF EF2929E02922 \
73 5758D8E27067 FB3557E83E16 1377BFEF8402 D82C5BF7272A \
74 978F16FB7745 F5F865FC1013 086635FB9C4E DF30FCFB40EE \
75 117FE0FA3438 3EE6B8FB5AC3 BC77A3FCB2F4 66D6DAFF5F32 \
76 CF13B9041275 431D69097A8C C1BB600EC74E 5120B912A2BA \
77 EEDF641754C0 8207001664B7 7FFFFF14453F 8000001294E6 \
78 499C1B0EB3B2 52B73E0DBCA0 EFB2B20F5FD8 CE3CDB0FBE12 \
79 E4B49C0CEA2D 6344A80A5A7C 08C8FE0A1FFE 2BB9860B0A0E \
80 51486F0E44E1 8BCC64113B05 B6F4EC0EEB36 4413170A5B48 \
81 """)
82
83
84 class ESC[4;38;5;81mAifcPCM32Test(ESC[4;38;5;149mAifcTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
85 sndfilename = 'pluck-pcm32.aiff'
86 sndfilenframes = 3307
87 nchannels = 2
88 sampwidth = 4
89 framerate = 11025
90 nframes = 48
91 comptype = b'NONE'
92 compname = b'not compressed'
93 frames = bytes.fromhex("""\
94 022D65BCFFEB9D92 4B5A0F8000FA549C 3113C34004EE2BC0 80DCD680084303E0 \
95 CBDEC0C006B26140 48A9980003F2F8FC BFE8248001B07D92 036BFB60FE7B5D34 \
96 B8575600FA3EC920 B4B05500F3502BC0 29983000EBCB6240 1A5CA7A0E6D99A60 \
97 EDFA3E80E491BD40 C625EB80E27884A0 0E05A9A0E0B6CFE0 EF292940E0292280 \
98 5758D800E2706700 FB3557D8E83E1640 1377BF00EF840280 D82C5B80F7272A80 \
99 978F1600FB774560 F5F86510FC101364 086635A0FB9C4E20 DF30FC40FB40EE28 \
100 117FE0A0FA3438B0 3EE6B840FB5AC3F0 BC77A380FCB2F454 66D6DA80FF5F32B4 \
101 CF13B980041275B0 431D6980097A8C00 C1BB60000EC74E00 5120B98012A2BAA0 \
102 EEDF64C01754C060 820700001664B780 7FFFFFFF14453F40 800000001294E6E0 \
103 499C1B000EB3B270 52B73E000DBCA020 EFB2B2E00F5FD880 CE3CDB400FBE1270 \
104 E4B49CC00CEA2D90 6344A8800A5A7CA0 08C8FE800A1FFEE0 2BB986C00B0A0E00 \
105 51486F800E44E190 8BCC6480113B0580 B6F4EC000EEB3630 441317800A5B48A0 \
106 """)
107
108
109 class ESC[4;38;5;81mAifcULAWTest(ESC[4;38;5;149mAifcTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
110 sndfilename = 'pluck-ulaw.aifc'
111 sndfilenframes = 3307
112 nchannels = 2
113 sampwidth = 2
114 framerate = 11025
115 nframes = 48
116 comptype = b'ulaw'
117 compname = b''
118 frames = bytes.fromhex("""\
119 022CFFE8 497C0104 307C04DC 8284083C CB84069C 497C03DC BE8401AC 036CFE74 \
120 B684FA24 B684F344 2A7CEC04 19FCE704 EE04E504 C584E204 0E3CE104 EF04DF84 \
121 557CE204 FB24E804 12FCEF04 D784F744 9684FB64 F5C4FC24 083CFBA4 DF84FB24 \
122 11FCFA24 3E7CFB64 BA84FCB4 657CFF5C CF84041C 417C093C C1840EBC 517C12FC \
123 EF0416FC 828415FC 7D7C13FC 828412FC 497C0EBC 517C0DBC F0040F3C CD840FFC \
124 E5040CBC 617C0A3C 08BC0A3C 2C7C0B3C 517C0E3C 8A8410FC B6840EBC 457C0A3C \
125 """)
126 if sys.byteorder != 'big':
127 frames = audioop.byteswap(frames, 2)
128
129
130 class ESC[4;38;5;81mAifcALAWTest(ESC[4;38;5;149mAifcTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
131 sndfilename = 'pluck-alaw.aifc'
132 sndfilenframes = 3307
133 nchannels = 2
134 sampwidth = 2
135 framerate = 11025
136 nframes = 48
137 comptype = b'alaw'
138 compname = b''
139 frames = bytes.fromhex("""\
140 0230FFE8 4A0000F8 310004E0 82000840 CB0006A0 4A0003F0 BE0001A8 0370FE78 \
141 BA00FA20 B600F340 2900EB80 1A80E680 ED80E480 C700E280 0E40E080 EF80E080 \
142 5600E280 FB20E880 1380EF80 D900F740 9600FB60 F5C0FC10 0840FBA0 DF00FB20 \
143 1180FA20 3F00FB60 BE00FCB0 6600FF58 CF000420 42000940 C1000EC0 52001280 \
144 EE801780 82001680 7E001480 82001280 4A000EC0 52000DC0 EF800F40 CF000FC0 \
145 E4800CC0 62000A40 08C00A40 2B000B40 52000E40 8A001180 B6000EC0 46000A40 \
146 """)
147 if sys.byteorder != 'big':
148 frames = audioop.byteswap(frames, 2)
149
150
151 class ESC[4;38;5;81mAifcMiscTest(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
152 def test_skipunknown(self):
153 #Issue 2245
154 #This file contains chunk types aifc doesn't recognize.
155 f = aifc.open(findfile('Sine-1000Hz-300ms.aif'))
156 f.close()
157
158 def test_close_opened_files_on_error(self):
159 non_aifc_file = findfile('pluck-pcm8.wav', subdir='audiodata')
160 with check_no_resource_warning(self):
161 with self.assertRaises(aifc.Error):
162 # Try opening a non-AIFC file, with the expectation that
163 # `aifc.open` will fail (without raising a ResourceWarning)
164 self.f = aifc.open(non_aifc_file, 'rb')
165
166 # Aifc_write.initfp() won't raise in normal case. But some errors
167 # (e.g. MemoryError, KeyboardInterrupt, etc..) can happen.
168 with mock.patch.object(aifc.Aifc_write, 'initfp',
169 side_effect=RuntimeError):
170 with self.assertRaises(RuntimeError):
171 self.fout = aifc.open(TESTFN, 'wb')
172
173 def test_params_added(self):
174 f = self.f = aifc.open(TESTFN, 'wb')
175 f.aiff()
176 f.setparams((1, 1, 1, 1, b'NONE', b''))
177 f.close()
178
179 f = aifc.open(TESTFN, 'rb')
180 self.addCleanup(f.close)
181 params = f.getparams()
182 self.assertEqual(params.nchannels, f.getnchannels())
183 self.assertEqual(params.sampwidth, f.getsampwidth())
184 self.assertEqual(params.framerate, f.getframerate())
185 self.assertEqual(params.nframes, f.getnframes())
186 self.assertEqual(params.comptype, f.getcomptype())
187 self.assertEqual(params.compname, f.getcompname())
188
189 def test_write_header_comptype_sampwidth(self):
190 for comptype in (b'ULAW', b'ulaw', b'ALAW', b'alaw', b'G722'):
191 fout = aifc.open(io.BytesIO(), 'wb')
192 fout.setnchannels(1)
193 fout.setframerate(1)
194 fout.setcomptype(comptype, b'')
195 fout.close()
196 self.assertEqual(fout.getsampwidth(), 2)
197 fout.initfp(None)
198
199 def test_write_markers_values(self):
200 fout = aifc.open(io.BytesIO(), 'wb')
201 self.assertEqual(fout.getmarkers(), None)
202 fout.setmark(1, 0, b'foo1')
203 fout.setmark(1, 1, b'foo2')
204 self.assertEqual(fout.getmark(1), (1, 1, b'foo2'))
205 self.assertEqual(fout.getmarkers(), [(1, 1, b'foo2')])
206 fout.initfp(None)
207
208 def test_read_markers(self):
209 fout = self.fout = aifc.open(TESTFN, 'wb')
210 fout.aiff()
211 fout.setparams((1, 1, 1, 1, b'NONE', b''))
212 fout.setmark(1, 0, b'odd')
213 fout.setmark(2, 0, b'even')
214 fout.writeframes(b'\x00')
215 fout.close()
216 f = aifc.open(TESTFN, 'rb')
217 self.addCleanup(f.close)
218 self.assertEqual(f.getmarkers(), [(1, 0, b'odd'), (2, 0, b'even')])
219 self.assertEqual(f.getmark(1), (1, 0, b'odd'))
220 self.assertEqual(f.getmark(2), (2, 0, b'even'))
221 self.assertRaises(aifc.Error, f.getmark, 3)
222
223
224 class ESC[4;38;5;81mAIFCLowLevelTest(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
225
226 def test_read_written(self):
227 def read_written(self, what):
228 f = io.BytesIO()
229 getattr(aifc, '_write_' + what)(f, x)
230 f.seek(0)
231 return getattr(aifc, '_read_' + what)(f)
232 for x in (-1, 0, 0.1, 1):
233 self.assertEqual(read_written(x, 'float'), x)
234 for x in (float('NaN'), float('Inf')):
235 self.assertEqual(read_written(x, 'float'), aifc._HUGE_VAL)
236 for x in (b'', b'foo', b'a' * 255):
237 self.assertEqual(read_written(x, 'string'), x)
238 for x in (-0x7FFFFFFF, -1, 0, 1, 0x7FFFFFFF):
239 self.assertEqual(read_written(x, 'long'), x)
240 for x in (0, 1, 0xFFFFFFFF):
241 self.assertEqual(read_written(x, 'ulong'), x)
242 for x in (-0x7FFF, -1, 0, 1, 0x7FFF):
243 self.assertEqual(read_written(x, 'short'), x)
244 for x in (0, 1, 0xFFFF):
245 self.assertEqual(read_written(x, 'ushort'), x)
246
247 def test_read_raises(self):
248 f = io.BytesIO(b'\x00')
249 self.assertRaises(EOFError, aifc._read_ulong, f)
250 self.assertRaises(EOFError, aifc._read_long, f)
251 self.assertRaises(EOFError, aifc._read_ushort, f)
252 self.assertRaises(EOFError, aifc._read_short, f)
253
254 def test_write_long_string_raises(self):
255 f = io.BytesIO()
256 with self.assertRaises(ValueError):
257 aifc._write_string(f, b'too long' * 255)
258
259 def test_wrong_open_mode(self):
260 with self.assertRaises(aifc.Error):
261 aifc.open(TESTFN, 'wrong_mode')
262
263 def test_read_wrong_form(self):
264 b1 = io.BytesIO(b'WRNG' + struct.pack('>L', 0))
265 b2 = io.BytesIO(b'FORM' + struct.pack('>L', 4) + b'WRNG')
266 self.assertRaises(aifc.Error, aifc.open, b1)
267 self.assertRaises(aifc.Error, aifc.open, b2)
268
269 def test_read_no_comm_chunk(self):
270 b = io.BytesIO(b'FORM' + struct.pack('>L', 4) + b'AIFF')
271 self.assertRaises(aifc.Error, aifc.open, b)
272
273 def test_read_no_ssnd_chunk(self):
274 b = b'FORM' + struct.pack('>L', 4) + b'AIFC'
275 b += b'COMM' + struct.pack('>LhlhhLL', 38, 1, 0, 8,
276 0x4000 | 12, 11025<<18, 0)
277 b += b'NONE' + struct.pack('B', 14) + b'not compressed' + b'\x00'
278 with self.assertRaisesRegex(aifc.Error, 'COMM chunk and/or SSND chunk'
279 ' missing'):
280 aifc.open(io.BytesIO(b))
281
282 def test_read_wrong_compression_type(self):
283 b = b'FORM' + struct.pack('>L', 4) + b'AIFC'
284 b += b'COMM' + struct.pack('>LhlhhLL', 23, 1, 0, 8,
285 0x4000 | 12, 11025<<18, 0)
286 b += b'WRNG' + struct.pack('B', 0)
287 self.assertRaises(aifc.Error, aifc.open, io.BytesIO(b))
288
289 def test_read_wrong_number_of_channels(self):
290 for nchannels in 0, -1:
291 b = b'FORM' + struct.pack('>L', 4) + b'AIFC'
292 b += b'COMM' + struct.pack('>LhlhhLL', 38, nchannels, 0, 8,
293 0x4000 | 12, 11025<<18, 0)
294 b += b'NONE' + struct.pack('B', 14) + b'not compressed' + b'\x00'
295 b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8
296 with self.assertRaisesRegex(aifc.Error, 'bad # of channels'):
297 aifc.open(io.BytesIO(b))
298
299 def test_read_wrong_sample_width(self):
300 for sampwidth in 0, -1:
301 b = b'FORM' + struct.pack('>L', 4) + b'AIFC'
302 b += b'COMM' + struct.pack('>LhlhhLL', 38, 1, 0, sampwidth,
303 0x4000 | 12, 11025<<18, 0)
304 b += b'NONE' + struct.pack('B', 14) + b'not compressed' + b'\x00'
305 b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8
306 with self.assertRaisesRegex(aifc.Error, 'bad sample width'):
307 aifc.open(io.BytesIO(b))
308
309 def test_read_wrong_marks(self):
310 b = b'FORM' + struct.pack('>L', 4) + b'AIFF'
311 b += b'COMM' + struct.pack('>LhlhhLL', 18, 1, 0, 8,
312 0x4000 | 12, 11025<<18, 0)
313 b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8
314 b += b'MARK' + struct.pack('>LhB', 3, 1, 1)
315 with self.assertWarns(UserWarning) as cm:
316 f = aifc.open(io.BytesIO(b))
317 self.assertEqual(str(cm.warning), 'Warning: MARK chunk contains '
318 'only 0 markers instead of 1')
319 self.assertEqual(f.getmarkers(), None)
320
321 def test_read_comm_kludge_compname_even(self):
322 b = b'FORM' + struct.pack('>L', 4) + b'AIFC'
323 b += b'COMM' + struct.pack('>LhlhhLL', 18, 1, 0, 8,
324 0x4000 | 12, 11025<<18, 0)
325 b += b'NONE' + struct.pack('B', 4) + b'even' + b'\x00'
326 b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8
327 with self.assertWarns(UserWarning) as cm:
328 f = aifc.open(io.BytesIO(b))
329 self.assertEqual(str(cm.warning), 'Warning: bad COMM chunk size')
330 self.assertEqual(f.getcompname(), b'even')
331
332 def test_read_comm_kludge_compname_odd(self):
333 b = b'FORM' + struct.pack('>L', 4) + b'AIFC'
334 b += b'COMM' + struct.pack('>LhlhhLL', 18, 1, 0, 8,
335 0x4000 | 12, 11025<<18, 0)
336 b += b'NONE' + struct.pack('B', 3) + b'odd'
337 b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8
338 with self.assertWarns(UserWarning) as cm:
339 f = aifc.open(io.BytesIO(b))
340 self.assertEqual(str(cm.warning), 'Warning: bad COMM chunk size')
341 self.assertEqual(f.getcompname(), b'odd')
342
343 def test_write_params_raises(self):
344 fout = aifc.open(io.BytesIO(), 'wb')
345 wrong_params = (0, 0, 0, 0, b'WRNG', '')
346 self.assertRaises(aifc.Error, fout.setparams, wrong_params)
347 self.assertRaises(aifc.Error, fout.getparams)
348 self.assertRaises(aifc.Error, fout.setnchannels, 0)
349 self.assertRaises(aifc.Error, fout.getnchannels)
350 self.assertRaises(aifc.Error, fout.setsampwidth, 0)
351 self.assertRaises(aifc.Error, fout.getsampwidth)
352 self.assertRaises(aifc.Error, fout.setframerate, 0)
353 self.assertRaises(aifc.Error, fout.getframerate)
354 self.assertRaises(aifc.Error, fout.setcomptype, b'WRNG', '')
355 fout.aiff()
356 fout.setnchannels(1)
357 fout.setsampwidth(1)
358 fout.setframerate(1)
359 fout.setnframes(1)
360 fout.writeframes(b'\x00')
361 self.assertRaises(aifc.Error, fout.setparams, (1, 1, 1, 1, 1, 1))
362 self.assertRaises(aifc.Error, fout.setnchannels, 1)
363 self.assertRaises(aifc.Error, fout.setsampwidth, 1)
364 self.assertRaises(aifc.Error, fout.setframerate, 1)
365 self.assertRaises(aifc.Error, fout.setnframes, 1)
366 self.assertRaises(aifc.Error, fout.setcomptype, b'NONE', '')
367 self.assertRaises(aifc.Error, fout.aiff)
368 self.assertRaises(aifc.Error, fout.aifc)
369
370 def test_write_params_singles(self):
371 fout = aifc.open(io.BytesIO(), 'wb')
372 fout.aifc()
373 fout.setnchannels(1)
374 fout.setsampwidth(2)
375 fout.setframerate(3)
376 fout.setnframes(4)
377 fout.setcomptype(b'NONE', b'name')
378 self.assertEqual(fout.getnchannels(), 1)
379 self.assertEqual(fout.getsampwidth(), 2)
380 self.assertEqual(fout.getframerate(), 3)
381 self.assertEqual(fout.getnframes(), 0)
382 self.assertEqual(fout.tell(), 0)
383 self.assertEqual(fout.getcomptype(), b'NONE')
384 self.assertEqual(fout.getcompname(), b'name')
385 fout.writeframes(b'\x00' * 4 * fout.getsampwidth() * fout.getnchannels())
386 self.assertEqual(fout.getnframes(), 4)
387 self.assertEqual(fout.tell(), 4)
388
389 def test_write_params_bunch(self):
390 fout = aifc.open(io.BytesIO(), 'wb')
391 fout.aifc()
392 p = (1, 2, 3, 4, b'NONE', b'name')
393 fout.setparams(p)
394 self.assertEqual(fout.getparams(), p)
395 fout.initfp(None)
396
397 def test_write_header_raises(self):
398 fout = aifc.open(io.BytesIO(), 'wb')
399 self.assertRaises(aifc.Error, fout.close)
400 fout = aifc.open(io.BytesIO(), 'wb')
401 fout.setnchannels(1)
402 self.assertRaises(aifc.Error, fout.close)
403 fout = aifc.open(io.BytesIO(), 'wb')
404 fout.setnchannels(1)
405 fout.setsampwidth(1)
406 self.assertRaises(aifc.Error, fout.close)
407
408 def test_write_header_comptype_raises(self):
409 for comptype in (b'ULAW', b'ulaw', b'ALAW', b'alaw', b'G722'):
410 fout = aifc.open(io.BytesIO(), 'wb')
411 fout.setsampwidth(1)
412 fout.setcomptype(comptype, b'')
413 self.assertRaises(aifc.Error, fout.close)
414 fout.initfp(None)
415
416 def test_write_markers_raises(self):
417 fout = aifc.open(io.BytesIO(), 'wb')
418 self.assertRaises(aifc.Error, fout.setmark, 0, 0, b'')
419 self.assertRaises(aifc.Error, fout.setmark, 1, -1, b'')
420 self.assertRaises(aifc.Error, fout.setmark, 1, 0, None)
421 self.assertRaises(aifc.Error, fout.getmark, 1)
422 fout.initfp(None)
423
424 def test_write_aiff_by_extension(self):
425 sampwidth = 2
426 filename = TESTFN + '.aiff'
427 fout = self.fout = aifc.open(filename, 'wb')
428 self.addCleanup(unlink, filename)
429 fout.setparams((1, sampwidth, 1, 1, b'ULAW', b''))
430 frames = b'\x00' * fout.getnchannels() * sampwidth
431 fout.writeframes(frames)
432 fout.close()
433 f = self.f = aifc.open(filename, 'rb')
434 self.assertEqual(f.getcomptype(), b'NONE')
435 f.close()
436
437
438 if __name__ == "__main__":
439 unittest.main()