(root)/
Python-3.11.7/
Lib/
test/
test_sunau.py
       1  import unittest
       2  from test import audiotests
       3  import io
       4  import struct
       5  import sys
       6  from test.support import warnings_helper
       7  
       8  sunau = warnings_helper.import_deprecated("sunau")
       9  audioop = warnings_helper.import_deprecated("audioop")
      10  
      11  
      12  class ESC[4;38;5;81mSunauTest(ESC[4;38;5;149maudiotestsESC[4;38;5;149m.ESC[4;38;5;149mAudioWriteTests,
      13                  ESC[4;38;5;149maudiotestsESC[4;38;5;149m.ESC[4;38;5;149mAudioTestsWithSourceFile):
      14      module = sunau
      15  
      16  
      17  class ESC[4;38;5;81mSunauPCM8Test(ESC[4;38;5;149mSunauTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
      18      sndfilename = 'pluck-pcm8.au'
      19      sndfilenframes = 3307
      20      nchannels = 2
      21      sampwidth = 1
      22      framerate = 11025
      23      nframes = 48
      24      comptype = 'NONE'
      25      compname = 'not compressed'
      26      frames = bytes.fromhex("""\
      27        02FF 4B00 3104 8008 CB06 4803 BF01 03FE B8FA B4F3 29EB 1AE6 \
      28        EDE4 C6E2 0EE0 EFE0 57E2 FBE8 13EF D8F7 97FB F5FC 08FB DFFB \
      29        11FA 3EFB BCFC 66FF CF04 4309 C10E 5112 EE17 8216 7F14 8012 \
      30        490E 520D EF0F CE0F E40C 630A 080A 2B0B 510E 8B11 B60E 440A \
      31        """)
      32  
      33  
      34  class ESC[4;38;5;81mSunauPCM16Test(ESC[4;38;5;149mSunauTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
      35      sndfilename = 'pluck-pcm16.au'
      36      sndfilenframes = 3307
      37      nchannels = 2
      38      sampwidth = 2
      39      framerate = 11025
      40      nframes = 48
      41      comptype = 'NONE'
      42      compname = 'not compressed'
      43      frames = bytes.fromhex("""\
      44        022EFFEA 4B5C00F9 311404EF 80DB0844 CBE006B0 48AB03F3 BFE601B5 0367FE80 \
      45        B853FA42 B4AFF351 2997EBCD 1A5AE6DC EDF9E492 C627E277 0E06E0B7 EF29E029 \
      46        5759E271 FB34E83F 1377EF85 D82CF727 978EFB79 F5F7FC12 0864FB9E DF30FB40 \
      47        1183FA30 3EEAFB59 BC78FCB4 66D5FF60 CF130415 431A097D C1BA0EC7 512312A0 \
      48        EEE11754 82071666 7FFE1448 80001298 49990EB7 52B40DC1 EFAD0F65 CE3A0FBE \
      49        E4B70CE6 63490A57 08CC0A1D 2BBC0B09 51480E46 8BCB113C B6F60EE9 44150A5A \
      50        """)
      51  
      52  
      53  class ESC[4;38;5;81mSunauPCM24Test(ESC[4;38;5;149mSunauTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
      54      sndfilename = 'pluck-pcm24.au'
      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  
      77  
      78  class ESC[4;38;5;81mSunauPCM32Test(ESC[4;38;5;149mSunauTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
      79      sndfilename = 'pluck-pcm32.au'
      80      sndfilenframes = 3307
      81      nchannels = 2
      82      sampwidth = 4
      83      framerate = 11025
      84      nframes = 48
      85      comptype = 'NONE'
      86      compname = 'not compressed'
      87      frames = bytes.fromhex("""\
      88        022D65BCFFEB9D92 4B5A0F8000FA549C 3113C34004EE2BC0 80DCD680084303E0 \
      89        CBDEC0C006B26140 48A9980003F2F8FC BFE8248001B07D92 036BFB60FE7B5D34 \
      90        B8575600FA3EC920 B4B05500F3502BC0 29983000EBCB6240 1A5CA7A0E6D99A60 \
      91        EDFA3E80E491BD40 C625EB80E27884A0 0E05A9A0E0B6CFE0 EF292940E0292280 \
      92        5758D800E2706700 FB3557D8E83E1640 1377BF00EF840280 D82C5B80F7272A80 \
      93        978F1600FB774560 F5F86510FC101364 086635A0FB9C4E20 DF30FC40FB40EE28 \
      94        117FE0A0FA3438B0 3EE6B840FB5AC3F0 BC77A380FCB2F454 66D6DA80FF5F32B4 \
      95        CF13B980041275B0 431D6980097A8C00 C1BB60000EC74E00 5120B98012A2BAA0 \
      96        EEDF64C01754C060 820700001664B780 7FFFFFFF14453F40 800000001294E6E0 \
      97        499C1B000EB3B270 52B73E000DBCA020 EFB2B2E00F5FD880 CE3CDB400FBE1270 \
      98        E4B49CC00CEA2D90 6344A8800A5A7CA0 08C8FE800A1FFEE0 2BB986C00B0A0E00 \
      99        51486F800E44E190 8BCC6480113B0580 B6F4EC000EEB3630 441317800A5B48A0 \
     100        """)
     101  
     102  
     103  class ESC[4;38;5;81mSunauULAWTest(ESC[4;38;5;149mSunauTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
     104      sndfilename = 'pluck-ulaw.au'
     105      sndfilenframes = 3307
     106      nchannels = 2
     107      sampwidth = 2
     108      framerate = 11025
     109      nframes = 48
     110      comptype = 'ULAW'
     111      compname = 'CCITT G.711 u-law'
     112      frames = bytes.fromhex("""\
     113        022CFFE8 497C00F4 307C04DC 8284083C CB84069C 497C03DC BE8401AC 036CFE74 \
     114        B684FA24 B684F344 2A7CEC04 19FCE704 EE04E504 C584E204 0E3CE104 EF04DF84 \
     115        557CE204 FB24E804 12FCEF04 D784F744 9684FB64 F5C4FC24 083CFBA4 DF84FB24 \
     116        11FCFA24 3E7CFB64 BA84FCB4 657CFF5C CF84041C 417C09BC C1840EBC 517C12FC \
     117        EF0416FC 828415FC 7D7C13FC 828412FC 497C0EBC 517C0DBC F0040F3C CD840FFC \
     118        E5040CBC 617C0A3C 08BC0A3C 2C7C0B3C 517C0E3C 8A8410FC B6840EBC 457C0A3C \
     119        """)
     120      if sys.byteorder != 'big':
     121          frames = audioop.byteswap(frames, 2)
     122  
     123  
     124  class ESC[4;38;5;81mSunauLowLevelTest(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
     125  
     126      def test_read_bad_magic_number(self):
     127          b = b'SPA'
     128          with self.assertRaises(EOFError):
     129              sunau.open(io.BytesIO(b))
     130          b = b'SPAM'
     131          with self.assertRaisesRegex(sunau.Error, 'bad magic number'):
     132              sunau.open(io.BytesIO(b))
     133  
     134      def test_read_too_small_header(self):
     135          b = struct.pack('>LLLLL', sunau.AUDIO_FILE_MAGIC, 20, 0,
     136                          sunau.AUDIO_FILE_ENCODING_LINEAR_8, 11025)
     137          with self.assertRaisesRegex(sunau.Error, 'header size too small'):
     138              sunau.open(io.BytesIO(b))
     139  
     140      def test_read_too_large_header(self):
     141          b = struct.pack('>LLLLLL', sunau.AUDIO_FILE_MAGIC, 124, 0,
     142                          sunau.AUDIO_FILE_ENCODING_LINEAR_8, 11025, 1)
     143          b += b'\0' * 100
     144          with self.assertRaisesRegex(sunau.Error, 'header size ridiculously large'):
     145              sunau.open(io.BytesIO(b))
     146  
     147      def test_read_wrong_encoding(self):
     148          b = struct.pack('>LLLLLL', sunau.AUDIO_FILE_MAGIC, 24, 0, 0, 11025, 1)
     149          with self.assertRaisesRegex(sunau.Error, r'encoding not \(yet\) supported'):
     150              sunau.open(io.BytesIO(b))
     151  
     152      def test_read_wrong_number_of_channels(self):
     153          b = struct.pack('>LLLLLL', sunau.AUDIO_FILE_MAGIC, 24, 0,
     154                          sunau.AUDIO_FILE_ENCODING_LINEAR_8, 11025, 0)
     155          with self.assertRaisesRegex(sunau.Error, 'bad # of channels'):
     156              sunau.open(io.BytesIO(b))
     157  
     158  
     159  if __name__ == "__main__":
     160      unittest.main()