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      1 from test.test_support import (findfile, TESTFN, unlink, captured_stdout,
      2                                run_unittest)
      3 import unittest
      4 from test import audiotests
      5 import os
      6 import io
      7 import sys
      8 import struct
      9 import aifc
     10 
     11 
     12 class AifcTest(audiotests.AudioWriteTests,
     13                audiotests.AudioTestsWithSourceFile):
     14     module = aifc
     15     close_fd = True
     16     test_unseekable_read = None
     17 
     18 
     19 class 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 
     36 class 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 
     55 class 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 
     80 class 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 
    105 class 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 
    126 class 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_write_markers_values(self):
    133         fout = aifc.open(io.BytesIO(), 'wb')
    134         self.assertEqual(fout.getmarkers(), None)
    135         fout.setmark(1, 0, 'foo1')
    136         fout.setmark(1, 1, 'foo2')
    137         self.assertEqual(fout.getmark(1), (1, 1, 'foo2'))
    138         self.assertEqual(fout.getmarkers(), [(1, 1, 'foo2')])
    139         fout.initfp(None)
    140 
    141     def test_read_markers(self):
    142         fout = self.fout = aifc.open(TESTFN, 'wb')
    143         fout.aiff()
    144         fout.setparams((1, 1, 1, 1, 'NONE', ''))
    145         fout.setmark(1, 0, 'odd')
    146         fout.setmark(2, 0, 'even')
    147         fout.writeframes('\x00')
    148         fout.close()
    149         f = self.f = aifc.open(TESTFN, 'rb')
    150         self.assertEqual(f.getmarkers(), [(1, 0, 'odd'), (2, 0, 'even')])
    151         self.assertEqual(f.getmark(1), (1, 0, 'odd'))
    152         self.assertEqual(f.getmark(2), (2, 0, 'even'))
    153         self.assertRaises(aifc.Error, f.getmark, 3)
    154 
    155 
    156 class AIFCLowLevelTest(unittest.TestCase):
    157 
    158     def test_read_written(self):
    159         def read_written(self, what):
    160             f = io.BytesIO()
    161             getattr(aifc, '_write_' + what)(f, x)
    162             f.seek(0)
    163             return getattr(aifc, '_read_' + what)(f)
    164         for x in (-1, 0, 0.1, 1):
    165             self.assertEqual(read_written(x, 'float'), x)
    166         for x in (float('NaN'), float('Inf')):
    167             self.assertEqual(read_written(x, 'float'), aifc._HUGE_VAL)
    168         for x in ('', 'foo', 'a' * 255):
    169             self.assertEqual(read_written(x, 'string'), x)
    170         for x in (-0x7FFFFFFF, -1, 0, 1, 0x7FFFFFFF):
    171             self.assertEqual(read_written(x, 'long'), x)
    172         for x in (0, 1, 0xFFFFFFFF):
    173             self.assertEqual(read_written(x, 'ulong'), x)
    174         for x in (-0x7FFF, -1, 0, 1, 0x7FFF):
    175             self.assertEqual(read_written(x, 'short'), x)
    176         for x in (0, 1, 0xFFFF):
    177             self.assertEqual(read_written(x, 'ushort'), x)
    178 
    179     def test_read_raises(self):
    180         f = io.BytesIO('\x00')
    181         self.assertRaises(EOFError, aifc._read_ulong, f)
    182         self.assertRaises(EOFError, aifc._read_long, f)
    183         self.assertRaises(EOFError, aifc._read_ushort, f)
    184         self.assertRaises(EOFError, aifc._read_short, f)
    185 
    186     def test_write_long_string_raises(self):
    187         f = io.BytesIO()
    188         with self.assertRaises(ValueError):
    189             aifc._write_string(f, 'too long' * 255)
    190 
    191     def test_wrong_open_mode(self):
    192         with self.assertRaises(aifc.Error):
    193             aifc.open(TESTFN, 'wrong_mode')
    194 
    195     def test_read_wrong_form(self):
    196         b1 = io.BytesIO('WRNG' + struct.pack('>L', 0))
    197         b2 = io.BytesIO('FORM' + struct.pack('>L', 4) + 'WRNG')
    198         self.assertRaises(aifc.Error, aifc.open, b1)
    199         self.assertRaises(aifc.Error, aifc.open, b2)
    200 
    201     def test_read_no_comm_chunk(self):
    202         b = io.BytesIO('FORM' + struct.pack('>L', 4) + 'AIFF')
    203         self.assertRaises(aifc.Error, aifc.open, b)
    204 
    205     def test_read_wrong_compression_type(self):
    206         b = 'FORM' + struct.pack('>L', 4) + 'AIFC'
    207         b += 'COMM' + struct.pack('>LhlhhLL', 23, 0, 0, 0, 0, 0, 0)
    208         b += 'WRNG' + struct.pack('B', 0)
    209         self.assertRaises(aifc.Error, aifc.open, io.BytesIO(b))
    210 
    211     def test_read_wrong_marks(self):
    212         b = 'FORM' + struct.pack('>L', 4) + 'AIFF'
    213         b += 'COMM' + struct.pack('>LhlhhLL', 18, 0, 0, 0, 0, 0, 0)
    214         b += 'SSND' + struct.pack('>L', 8) + '\x00' * 8
    215         b += 'MARK' + struct.pack('>LhB', 3, 1, 1)
    216         with captured_stdout() as s:
    217             f = aifc.open(io.BytesIO(b))
    218         self.assertEqual(s.getvalue(), 'Warning: MARK chunk contains '
    219                                        'only 0 markers instead of 1\n')
    220         self.assertEqual(f.getmarkers(), None)
    221 
    222     def test_read_comm_kludge_compname_even(self):
    223         b = 'FORM' + struct.pack('>L', 4) + 'AIFC'
    224         b += 'COMM' + struct.pack('>LhlhhLL', 18, 0, 0, 0, 0, 0, 0)
    225         b += 'NONE' + struct.pack('B', 4) + 'even' + '\x00'
    226         b += 'SSND' + struct.pack('>L', 8) + '\x00' * 8
    227         with captured_stdout() as s:
    228             f = aifc.open(io.BytesIO(b))
    229         self.assertEqual(s.getvalue(), 'Warning: bad COMM chunk size\n')
    230         self.assertEqual(f.getcompname(), 'even')
    231 
    232     def test_read_comm_kludge_compname_odd(self):
    233         b = 'FORM' + struct.pack('>L', 4) + 'AIFC'
    234         b += 'COMM' + struct.pack('>LhlhhLL', 18, 0, 0, 0, 0, 0, 0)
    235         b += 'NONE' + struct.pack('B', 3) + 'odd'
    236         b += 'SSND' + struct.pack('>L', 8) + '\x00' * 8
    237         with captured_stdout() as s:
    238             f = aifc.open(io.BytesIO(b))
    239         self.assertEqual(s.getvalue(), 'Warning: bad COMM chunk size\n')
    240         self.assertEqual(f.getcompname(), 'odd')
    241 
    242     def test_write_params_raises(self):
    243         fout = aifc.open(io.BytesIO(), 'wb')
    244         wrong_params = (0, 0, 0, 0, 'WRNG', '')
    245         self.assertRaises(aifc.Error, fout.setparams, wrong_params)
    246         self.assertRaises(aifc.Error, fout.getparams)
    247         self.assertRaises(aifc.Error, fout.setnchannels, 0)
    248         self.assertRaises(aifc.Error, fout.getnchannels)
    249         self.assertRaises(aifc.Error, fout.setsampwidth, 0)
    250         self.assertRaises(aifc.Error, fout.getsampwidth)
    251         self.assertRaises(aifc.Error, fout.setframerate, 0)
    252         self.assertRaises(aifc.Error, fout.getframerate)
    253         self.assertRaises(aifc.Error, fout.setcomptype, 'WRNG', '')
    254         fout.aiff()
    255         fout.setnchannels(1)
    256         fout.setsampwidth(1)
    257         fout.setframerate(1)
    258         fout.setnframes(1)
    259         fout.writeframes('\x00')
    260         self.assertRaises(aifc.Error, fout.setparams, (1, 1, 1, 1, 1, 1))
    261         self.assertRaises(aifc.Error, fout.setnchannels, 1)
    262         self.assertRaises(aifc.Error, fout.setsampwidth, 1)
    263         self.assertRaises(aifc.Error, fout.setframerate, 1)
    264         self.assertRaises(aifc.Error, fout.setnframes, 1)
    265         self.assertRaises(aifc.Error, fout.setcomptype, 'NONE', '')
    266         self.assertRaises(aifc.Error, fout.aiff)
    267         self.assertRaises(aifc.Error, fout.aifc)
    268 
    269     def test_write_params_singles(self):
    270         fout = aifc.open(io.BytesIO(), 'wb')
    271         fout.aifc()
    272         fout.setnchannels(1)
    273         fout.setsampwidth(2)
    274         fout.setframerate(3)
    275         fout.setnframes(4)
    276         fout.setcomptype('NONE', 'name')
    277         self.assertEqual(fout.getnchannels(), 1)
    278         self.assertEqual(fout.getsampwidth(), 2)
    279         self.assertEqual(fout.getframerate(), 3)
    280         self.assertEqual(fout.getnframes(), 0)
    281         self.assertEqual(fout.tell(), 0)
    282         self.assertEqual(fout.getcomptype(), 'NONE')
    283         self.assertEqual(fout.getcompname(), 'name')
    284         fout.writeframes('\x00' * 4 * fout.getsampwidth() * fout.getnchannels())
    285         self.assertEqual(fout.getnframes(), 4)
    286         self.assertEqual(fout.tell(), 4)
    287 
    288     def test_write_params_bunch(self):
    289         fout = aifc.open(io.BytesIO(), 'wb')
    290         fout.aifc()
    291         p = (1, 2, 3, 4, 'NONE', 'name')
    292         fout.setparams(p)
    293         self.assertEqual(fout.getparams(), p)
    294         fout.initfp(None)
    295 
    296     def test_write_header_raises(self):
    297         fout = aifc.open(io.BytesIO(), 'wb')
    298         self.assertRaises(aifc.Error, fout.close)
    299         fout = aifc.open(io.BytesIO(), 'wb')
    300         fout.setnchannels(1)
    301         self.assertRaises(aifc.Error, fout.close)
    302         fout = aifc.open(io.BytesIO(), 'wb')
    303         fout.setnchannels(1)
    304         fout.setsampwidth(1)
    305         self.assertRaises(aifc.Error, fout.close)
    306 
    307     def test_write_header_comptype_raises(self):
    308         for comptype in ('ULAW', 'ulaw', 'ALAW', 'alaw', 'G722'):
    309             fout = aifc.open(io.BytesIO(), 'wb')
    310             fout.setsampwidth(1)
    311             fout.setcomptype(comptype, '')
    312             self.assertRaises(aifc.Error, fout.close)
    313             fout.initfp(None)
    314 
    315     def test_write_markers_raises(self):
    316         fout = aifc.open(io.BytesIO(), 'wb')
    317         self.assertRaises(aifc.Error, fout.setmark, 0, 0, '')
    318         self.assertRaises(aifc.Error, fout.setmark, 1, -1, '')
    319         self.assertRaises(aifc.Error, fout.setmark, 1, 0, None)
    320         self.assertRaises(aifc.Error, fout.getmark, 1)
    321         fout.initfp(None)
    322 
    323     def test_write_aiff_by_extension(self):
    324         sampwidth = 2
    325         filename = TESTFN + '.aiff'
    326         self.addCleanup(unlink, filename)
    327 
    328         fout = self.fout = aifc.open(filename, 'wb')
    329         fout.setparams((1, sampwidth, 1, 1, 'ULAW', ''))
    330         frames = '\x00' * fout.getnchannels() * sampwidth
    331         fout.writeframes(frames)
    332         fout.close()
    333 
    334         f = self.f = aifc.open(filename, 'rb')
    335         self.assertEqual(f.getcomptype(), 'NONE')
    336         f.close()
    337 
    338 
    339 def test_main():
    340     run_unittest(AifcPCM8Test, AifcPCM16Test, AifcPCM16Test, AifcPCM24Test,
    341                  AifcPCM32Test, AifcULAWTest,
    342                  AifcMiscTest, AIFCLowLevelTest)
    343 
    344 if __name__ == "__main__":
    345     test_main()
    346