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1from test.test_support import (findfile, TESTFN, unlink, captured_stdout,
2                               run_unittest)
3import unittest
4from test import audiotests
5import os
6import io
7import sys
8import struct
9import aifc
10
11
12class AifcTest(audiotests.AudioWriteTests,
13               audiotests.AudioTestsWithSourceFile):
14    module = aifc
15    close_fd = True
16    test_unseekable_read = None
17
18
19class AifcPCM8Test(AifcTest, unittest.TestCase):
20    sndfilename = 'pluck-pcm8.aiff'
21    sndfilenframes = 3307
22    nchannels = 2
23    sampwidth = 1
24    framerate = 11025
25    nframes = 48
26    comptype = 'NONE'
27    compname = 'not compressed'
28    frames = audiotests.fromhex("""\
29      02FF 4B00 3104 8008 CB06 4803 BF01 03FE B8FA B4F3 29EB 1AE6 \
30      EDE4 C6E2 0EE0 EFE0 57E2 FBE8 13EF D8F7 97FB F5FC 08FB DFFB \
31      11FA 3EFB BCFC 66FF CF04 4309 C10E 5112 EE17 8216 7F14 8012 \
32      490E 520D EF0F CE0F E40C 630A 080A 2B0B 510E 8B11 B60E 440A \
33      """)
34
35
36class AifcPCM16Test(AifcTest, unittest.TestCase):
37    sndfilename = 'pluck-pcm16.aiff'
38    sndfilenframes = 3307
39    nchannels = 2
40    sampwidth = 2
41    framerate = 11025
42    nframes = 48
43    comptype = 'NONE'
44    compname = 'not compressed'
45    frames = audiotests.fromhex("""\
46      022EFFEA 4B5D00F6 311804EA 80E10840 CBE106B1 48A903F5 BFE601B2 036CFE7B \
47      B858FA3E B4B1F34F 299AEBCA 1A5DE6DA EDFAE491 C628E275 0E09E0B5 EF2AE029 \
48      5758E271 FB35E83F 1376EF86 D82BF727 9790FB76 F5FAFC0F 0867FB9C DF30FB43 \
49      117EFA36 3EE5FB5B BC79FCB1 66D9FF5D CF150412 431D097C C1BA0EC8 512112A1 \
50      EEE21753 82071665 7FFF1443 8004128F 49A20EAF 52BB0DBA EFB40F60 CE3C0FBF \
51      E4B30CEC 63430A5C 08C80A20 2BBB0B08 514A0E43 8BCF1139 B6F60EEB 44120A5E \
52      """)
53
54
55class AifcPCM24Test(AifcTest, unittest.TestCase):
56    sndfilename = 'pluck-pcm24.aiff'
57    sndfilenframes = 3307
58    nchannels = 2
59    sampwidth = 3
60    framerate = 11025
61    nframes = 48
62    comptype = 'NONE'
63    compname = 'not compressed'
64    frames = audiotests.fromhex("""\
65      022D65FFEB9D 4B5A0F00FA54 3113C304EE2B 80DCD6084303 \
66      CBDEC006B261 48A99803F2F8 BFE82401B07D 036BFBFE7B5D \
67      B85756FA3EC9 B4B055F3502B 299830EBCB62 1A5CA7E6D99A \
68      EDFA3EE491BD C625EBE27884 0E05A9E0B6CF EF2929E02922 \
69      5758D8E27067 FB3557E83E16 1377BFEF8402 D82C5BF7272A \
70      978F16FB7745 F5F865FC1013 086635FB9C4E DF30FCFB40EE \
71      117FE0FA3438 3EE6B8FB5AC3 BC77A3FCB2F4 66D6DAFF5F32 \
72      CF13B9041275 431D69097A8C C1BB600EC74E 5120B912A2BA \
73      EEDF641754C0 8207001664B7 7FFFFF14453F 8000001294E6 \
74      499C1B0EB3B2 52B73E0DBCA0 EFB2B20F5FD8 CE3CDB0FBE12 \
75      E4B49C0CEA2D 6344A80A5A7C 08C8FE0A1FFE 2BB9860B0A0E \
76      51486F0E44E1 8BCC64113B05 B6F4EC0EEB36 4413170A5B48 \
77      """)
78
79
80class AifcPCM32Test(AifcTest, unittest.TestCase):
81    sndfilename = 'pluck-pcm32.aiff'
82    sndfilenframes = 3307
83    nchannels = 2
84    sampwidth = 4
85    framerate = 11025
86    nframes = 48
87    comptype = 'NONE'
88    compname = 'not compressed'
89    frames = audiotests.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
104
105class AifcULAWTest(AifcTest, unittest.TestCase):
106    sndfilename = 'pluck-ulaw.aifc'
107    sndfilenframes = 3307
108    nchannels = 2
109    sampwidth = 2
110    framerate = 11025
111    nframes = 48
112    comptype = 'ulaw'
113    compname = ''
114    frames = audiotests.fromhex("""\
115      022CFFE8 497C0104 307C04DC 8284083C CB84069C 497C03DC BE8401AC 036CFE74 \
116      B684FA24 B684F344 2A7CEC04 19FCE704 EE04E504 C584E204 0E3CE104 EF04DF84 \
117      557CE204 FB24E804 12FCEF04 D784F744 9684FB64 F5C4FC24 083CFBA4 DF84FB24 \
118      11FCFA24 3E7CFB64 BA84FCB4 657CFF5C CF84041C 417C093C C1840EBC 517C12FC \
119      EF0416FC 828415FC 7D7C13FC 828412FC 497C0EBC 517C0DBC F0040F3C CD840FFC \
120      E5040CBC 617C0A3C 08BC0A3C 2C7C0B3C 517C0E3C 8A8410FC B6840EBC 457C0A3C \
121      """)
122    if sys.byteorder != 'big':
123        frames = audiotests.byteswap2(frames)
124
125
126class AifcMiscTest(audiotests.AudioTests, unittest.TestCase):
127    def test_skipunknown(self):
128        #Issue 2245
129        #This file contains chunk types aifc doesn't recognize.
130        self.f = aifc.open(findfile('Sine-1000Hz-300ms.aif'))
131
132    def test_close_opened_files_on_error(self):
133        non_aifc_file = findfile('pluck-pcm8.wav', subdir='audiodata')
134
135        class Aifc(aifc.Aifc_read):
136            def __init__(self):
137                pass
138
139        a = Aifc()
140        with self.assertRaises(aifc.Error):
141            aifc.Aifc_read.__init__(a, non_aifc_file)
142        self.assertTrue(a._file.closed)
143
144    def test_write_markers_values(self):
145        fout = aifc.open(io.BytesIO(), 'wb')
146        self.assertEqual(fout.getmarkers(), None)
147        fout.setmark(1, 0, 'foo1')
148        fout.setmark(1, 1, 'foo2')
149        self.assertEqual(fout.getmark(1), (1, 1, 'foo2'))
150        self.assertEqual(fout.getmarkers(), [(1, 1, 'foo2')])
151        fout.initfp(None)
152
153    def test_read_markers(self):
154        fout = self.fout = aifc.open(TESTFN, 'wb')
155        fout.aiff()
156        fout.setparams((1, 1, 1, 1, 'NONE', ''))
157        fout.setmark(1, 0, 'odd')
158        fout.setmark(2, 0, 'even')
159        fout.writeframes('\x00')
160        fout.close()
161        f = self.f = aifc.open(TESTFN, 'rb')
162        self.assertEqual(f.getmarkers(), [(1, 0, 'odd'), (2, 0, 'even')])
163        self.assertEqual(f.getmark(1), (1, 0, 'odd'))
164        self.assertEqual(f.getmark(2), (2, 0, 'even'))
165        self.assertRaises(aifc.Error, f.getmark, 3)
166
167
168class AIFCLowLevelTest(unittest.TestCase):
169
170    def test_read_written(self):
171        def read_written(self, what):
172            f = io.BytesIO()
173            getattr(aifc, '_write_' + what)(f, x)
174            f.seek(0)
175            return getattr(aifc, '_read_' + what)(f)
176        for x in (-1, 0, 0.1, 1):
177            self.assertEqual(read_written(x, 'float'), x)
178        for x in (float('NaN'), float('Inf')):
179            self.assertEqual(read_written(x, 'float'), aifc._HUGE_VAL)
180        for x in ('', 'foo', 'a' * 255):
181            self.assertEqual(read_written(x, 'string'), x)
182        for x in (-0x7FFFFFFF, -1, 0, 1, 0x7FFFFFFF):
183            self.assertEqual(read_written(x, 'long'), x)
184        for x in (0, 1, 0xFFFFFFFF):
185            self.assertEqual(read_written(x, 'ulong'), x)
186        for x in (-0x7FFF, -1, 0, 1, 0x7FFF):
187            self.assertEqual(read_written(x, 'short'), x)
188        for x in (0, 1, 0xFFFF):
189            self.assertEqual(read_written(x, 'ushort'), x)
190
191    def test_read_raises(self):
192        f = io.BytesIO('\x00')
193        self.assertRaises(EOFError, aifc._read_ulong, f)
194        self.assertRaises(EOFError, aifc._read_long, f)
195        self.assertRaises(EOFError, aifc._read_ushort, f)
196        self.assertRaises(EOFError, aifc._read_short, f)
197
198    def test_write_long_string_raises(self):
199        f = io.BytesIO()
200        with self.assertRaises(ValueError):
201            aifc._write_string(f, 'too long' * 255)
202
203    def test_wrong_open_mode(self):
204        with self.assertRaises(aifc.Error):
205            aifc.open(TESTFN, 'wrong_mode')
206
207    def test_read_wrong_form(self):
208        b1 = io.BytesIO('WRNG' + struct.pack('>L', 0))
209        b2 = io.BytesIO('FORM' + struct.pack('>L', 4) + 'WRNG')
210        self.assertRaises(aifc.Error, aifc.open, b1)
211        self.assertRaises(aifc.Error, aifc.open, b2)
212
213    def test_read_no_comm_chunk(self):
214        b = io.BytesIO('FORM' + struct.pack('>L', 4) + 'AIFF')
215        self.assertRaises(aifc.Error, aifc.open, b)
216
217    def test_read_no_ssnd_chunk(self):
218        b = b'FORM' + struct.pack('>L', 4) + b'AIFC'
219        b += b'COMM' + struct.pack('>LhlhhLL', 38, 0, 0, 0, 0, 0, 0)
220        b += b'NONE' + struct.pack('B', 14) + b'not compressed' + b'\x00'
221        with self.assertRaisesRegexp(aifc.Error, 'COMM chunk and/or SSND chunk'
222                                                 ' missing'):
223            aifc.open(io.BytesIO(b))
224
225    def test_read_wrong_compression_type(self):
226        b = 'FORM' + struct.pack('>L', 4) + 'AIFC'
227        b += 'COMM' + struct.pack('>LhlhhLL', 23, 0, 0, 0, 0, 0, 0)
228        b += 'WRNG' + struct.pack('B', 0)
229        self.assertRaises(aifc.Error, aifc.open, io.BytesIO(b))
230
231    def test_read_wrong_marks(self):
232        b = 'FORM' + struct.pack('>L', 4) + 'AIFF'
233        b += 'COMM' + struct.pack('>LhlhhLL', 18, 0, 0, 0, 0, 0, 0)
234        b += 'SSND' + struct.pack('>L', 8) + '\x00' * 8
235        b += 'MARK' + struct.pack('>LhB', 3, 1, 1)
236        with captured_stdout() as s:
237            f = aifc.open(io.BytesIO(b))
238        self.assertEqual(s.getvalue(), 'Warning: MARK chunk contains '
239                                       'only 0 markers instead of 1\n')
240        self.assertEqual(f.getmarkers(), None)
241
242    def test_read_comm_kludge_compname_even(self):
243        b = 'FORM' + struct.pack('>L', 4) + 'AIFC'
244        b += 'COMM' + struct.pack('>LhlhhLL', 18, 0, 0, 0, 0, 0, 0)
245        b += 'NONE' + struct.pack('B', 4) + 'even' + '\x00'
246        b += 'SSND' + struct.pack('>L', 8) + '\x00' * 8
247        with captured_stdout() as s:
248            f = aifc.open(io.BytesIO(b))
249        self.assertEqual(s.getvalue(), 'Warning: bad COMM chunk size\n')
250        self.assertEqual(f.getcompname(), 'even')
251
252    def test_read_comm_kludge_compname_odd(self):
253        b = 'FORM' + struct.pack('>L', 4) + 'AIFC'
254        b += 'COMM' + struct.pack('>LhlhhLL', 18, 0, 0, 0, 0, 0, 0)
255        b += 'NONE' + struct.pack('B', 3) + 'odd'
256        b += 'SSND' + struct.pack('>L', 8) + '\x00' * 8
257        with captured_stdout() as s:
258            f = aifc.open(io.BytesIO(b))
259        self.assertEqual(s.getvalue(), 'Warning: bad COMM chunk size\n')
260        self.assertEqual(f.getcompname(), 'odd')
261
262    def test_write_params_raises(self):
263        fout = aifc.open(io.BytesIO(), 'wb')
264        wrong_params = (0, 0, 0, 0, 'WRNG', '')
265        self.assertRaises(aifc.Error, fout.setparams, wrong_params)
266        self.assertRaises(aifc.Error, fout.getparams)
267        self.assertRaises(aifc.Error, fout.setnchannels, 0)
268        self.assertRaises(aifc.Error, fout.getnchannels)
269        self.assertRaises(aifc.Error, fout.setsampwidth, 0)
270        self.assertRaises(aifc.Error, fout.getsampwidth)
271        self.assertRaises(aifc.Error, fout.setframerate, 0)
272        self.assertRaises(aifc.Error, fout.getframerate)
273        self.assertRaises(aifc.Error, fout.setcomptype, 'WRNG', '')
274        fout.aiff()
275        fout.setnchannels(1)
276        fout.setsampwidth(1)
277        fout.setframerate(1)
278        fout.setnframes(1)
279        fout.writeframes('\x00')
280        self.assertRaises(aifc.Error, fout.setparams, (1, 1, 1, 1, 1, 1))
281        self.assertRaises(aifc.Error, fout.setnchannels, 1)
282        self.assertRaises(aifc.Error, fout.setsampwidth, 1)
283        self.assertRaises(aifc.Error, fout.setframerate, 1)
284        self.assertRaises(aifc.Error, fout.setnframes, 1)
285        self.assertRaises(aifc.Error, fout.setcomptype, 'NONE', '')
286        self.assertRaises(aifc.Error, fout.aiff)
287        self.assertRaises(aifc.Error, fout.aifc)
288
289    def test_write_params_singles(self):
290        fout = aifc.open(io.BytesIO(), 'wb')
291        fout.aifc()
292        fout.setnchannels(1)
293        fout.setsampwidth(2)
294        fout.setframerate(3)
295        fout.setnframes(4)
296        fout.setcomptype('NONE', 'name')
297        self.assertEqual(fout.getnchannels(), 1)
298        self.assertEqual(fout.getsampwidth(), 2)
299        self.assertEqual(fout.getframerate(), 3)
300        self.assertEqual(fout.getnframes(), 0)
301        self.assertEqual(fout.tell(), 0)
302        self.assertEqual(fout.getcomptype(), 'NONE')
303        self.assertEqual(fout.getcompname(), 'name')
304        fout.writeframes('\x00' * 4 * fout.getsampwidth() * fout.getnchannels())
305        self.assertEqual(fout.getnframes(), 4)
306        self.assertEqual(fout.tell(), 4)
307
308    def test_write_params_bunch(self):
309        fout = aifc.open(io.BytesIO(), 'wb')
310        fout.aifc()
311        p = (1, 2, 3, 4, 'NONE', 'name')
312        fout.setparams(p)
313        self.assertEqual(fout.getparams(), p)
314        fout.initfp(None)
315
316    def test_write_header_raises(self):
317        fout = aifc.open(io.BytesIO(), 'wb')
318        self.assertRaises(aifc.Error, fout.close)
319        fout = aifc.open(io.BytesIO(), 'wb')
320        fout.setnchannels(1)
321        self.assertRaises(aifc.Error, fout.close)
322        fout = aifc.open(io.BytesIO(), 'wb')
323        fout.setnchannels(1)
324        fout.setsampwidth(1)
325        self.assertRaises(aifc.Error, fout.close)
326
327    def test_write_header_comptype_raises(self):
328        for comptype in ('ULAW', 'ulaw', 'ALAW', 'alaw', 'G722'):
329            fout = aifc.open(io.BytesIO(), 'wb')
330            fout.setsampwidth(1)
331            fout.setcomptype(comptype, '')
332            self.assertRaises(aifc.Error, fout.close)
333            fout.initfp(None)
334
335    def test_write_markers_raises(self):
336        fout = aifc.open(io.BytesIO(), 'wb')
337        self.assertRaises(aifc.Error, fout.setmark, 0, 0, '')
338        self.assertRaises(aifc.Error, fout.setmark, 1, -1, '')
339        self.assertRaises(aifc.Error, fout.setmark, 1, 0, None)
340        self.assertRaises(aifc.Error, fout.getmark, 1)
341        fout.initfp(None)
342
343    def test_write_aiff_by_extension(self):
344        sampwidth = 2
345        filename = TESTFN + '.aiff'
346        self.addCleanup(unlink, filename)
347
348        fout = self.fout = aifc.open(filename, 'wb')
349        fout.setparams((1, sampwidth, 1, 1, 'ULAW', ''))
350        frames = '\x00' * fout.getnchannels() * sampwidth
351        fout.writeframes(frames)
352        fout.close()
353
354        f = self.f = aifc.open(filename, 'rb')
355        self.assertEqual(f.getcomptype(), 'NONE')
356        f.close()
357
358
359def test_main():
360    run_unittest(AifcPCM8Test, AifcPCM16Test, AifcPCM16Test, AifcPCM24Test,
361                 AifcPCM32Test, AifcULAWTest,
362                 AifcMiscTest, AIFCLowLevelTest)
363
364if __name__ == "__main__":
365    test_main()
366