diff options
Diffstat (limited to 'Lib/test/test_aifc.py')
| -rw-r--r-- | Lib/test/test_aifc.py | 271 |
1 files changed, 147 insertions, 124 deletions
diff --git a/Lib/test/test_aifc.py b/Lib/test/test_aifc.py index 0b19af6a10..10260e3269 100644 --- a/Lib/test/test_aifc.py +++ b/Lib/test/test_aifc.py @@ -1,124 +1,153 @@ -from test.support import findfile, run_unittest, TESTFN, captured_stdout, unlink +from test.support import findfile, TESTFN, unlink import unittest +from test import audiotests import os import io +import sys import struct - import aifc -class AIFCTest(unittest.TestCase): - - def setUp(self): - self.f = self.fout = None - self.sndfilepath = findfile('Sine-1000Hz-300ms.aif') - - def tearDown(self): - if self.f is not None: - self.f.close() - if self.fout is not None: - try: - self.fout.close() - except (aifc.Error, AttributeError): - pass - unlink(TESTFN) - unlink(TESTFN + '.aiff') - +class AifcTest(audiotests.AudioWriteTests, + audiotests.AudioTestsWithSourceFile): + module = aifc + close_fd = True + test_unseekable_read = None + + +class AifcPCM8Test(AifcTest, unittest.TestCase): + sndfilename = 'pluck-pcm8.aiff' + sndfilenframes = 3307 + nchannels = 2 + sampwidth = 1 + framerate = 11025 + nframes = 48 + comptype = b'NONE' + compname = b'not compressed' + frames = bytes.fromhex("""\ + 02FF 4B00 3104 8008 CB06 4803 BF01 03FE B8FA B4F3 29EB 1AE6 \ + EDE4 C6E2 0EE0 EFE0 57E2 FBE8 13EF D8F7 97FB F5FC 08FB DFFB \ + 11FA 3EFB BCFC 66FF CF04 4309 C10E 5112 EE17 8216 7F14 8012 \ + 490E 520D EF0F CE0F E40C 630A 080A 2B0B 510E 8B11 B60E 440A \ + """) + + +class AifcPCM16Test(AifcTest, unittest.TestCase): + sndfilename = 'pluck-pcm16.aiff' + sndfilenframes = 3307 + nchannels = 2 + sampwidth = 2 + framerate = 11025 + nframes = 48 + comptype = b'NONE' + compname = b'not compressed' + frames = bytes.fromhex("""\ + 022EFFEA 4B5D00F6 311804EA 80E10840 CBE106B1 48A903F5 BFE601B2 036CFE7B \ + B858FA3E B4B1F34F 299AEBCA 1A5DE6DA EDFAE491 C628E275 0E09E0B5 EF2AE029 \ + 5758E271 FB35E83F 1376EF86 D82BF727 9790FB76 F5FAFC0F 0867FB9C DF30FB43 \ + 117EFA36 3EE5FB5B BC79FCB1 66D9FF5D CF150412 431D097C C1BA0EC8 512112A1 \ + EEE21753 82071665 7FFF1443 8004128F 49A20EAF 52BB0DBA EFB40F60 CE3C0FBF \ + E4B30CEC 63430A5C 08C80A20 2BBB0B08 514A0E43 8BCF1139 B6F60EEB 44120A5E \ + """) + + +class AifcPCM24Test(AifcTest, unittest.TestCase): + sndfilename = 'pluck-pcm24.aiff' + sndfilenframes = 3307 + nchannels = 2 + sampwidth = 3 + framerate = 11025 + nframes = 48 + comptype = b'NONE' + compname = b'not compressed' + frames = bytes.fromhex("""\ + 022D65FFEB9D 4B5A0F00FA54 3113C304EE2B 80DCD6084303 \ + CBDEC006B261 48A99803F2F8 BFE82401B07D 036BFBFE7B5D \ + B85756FA3EC9 B4B055F3502B 299830EBCB62 1A5CA7E6D99A \ + EDFA3EE491BD C625EBE27884 0E05A9E0B6CF EF2929E02922 \ + 5758D8E27067 FB3557E83E16 1377BFEF8402 D82C5BF7272A \ + 978F16FB7745 F5F865FC1013 086635FB9C4E DF30FCFB40EE \ + 117FE0FA3438 3EE6B8FB5AC3 BC77A3FCB2F4 66D6DAFF5F32 \ + CF13B9041275 431D69097A8C C1BB600EC74E 5120B912A2BA \ + EEDF641754C0 8207001664B7 7FFFFF14453F 8000001294E6 \ + 499C1B0EB3B2 52B73E0DBCA0 EFB2B20F5FD8 CE3CDB0FBE12 \ + E4B49C0CEA2D 6344A80A5A7C 08C8FE0A1FFE 2BB9860B0A0E \ + 51486F0E44E1 8BCC64113B05 B6F4EC0EEB36 4413170A5B48 \ + """) + + +class AifcPCM32Test(AifcTest, unittest.TestCase): + sndfilename = 'pluck-pcm32.aiff' + sndfilenframes = 3307 + nchannels = 2 + sampwidth = 4 + framerate = 11025 + nframes = 48 + comptype = b'NONE' + compname = b'not compressed' + frames = bytes.fromhex("""\ + 022D65BCFFEB9D92 4B5A0F8000FA549C 3113C34004EE2BC0 80DCD680084303E0 \ + CBDEC0C006B26140 48A9980003F2F8FC BFE8248001B07D92 036BFB60FE7B5D34 \ + B8575600FA3EC920 B4B05500F3502BC0 29983000EBCB6240 1A5CA7A0E6D99A60 \ + EDFA3E80E491BD40 C625EB80E27884A0 0E05A9A0E0B6CFE0 EF292940E0292280 \ + 5758D800E2706700 FB3557D8E83E1640 1377BF00EF840280 D82C5B80F7272A80 \ + 978F1600FB774560 F5F86510FC101364 086635A0FB9C4E20 DF30FC40FB40EE28 \ + 117FE0A0FA3438B0 3EE6B840FB5AC3F0 BC77A380FCB2F454 66D6DA80FF5F32B4 \ + CF13B980041275B0 431D6980097A8C00 C1BB60000EC74E00 5120B98012A2BAA0 \ + EEDF64C01754C060 820700001664B780 7FFFFFFF14453F40 800000001294E6E0 \ + 499C1B000EB3B270 52B73E000DBCA020 EFB2B2E00F5FD880 CE3CDB400FBE1270 \ + E4B49CC00CEA2D90 6344A8800A5A7CA0 08C8FE800A1FFEE0 2BB986C00B0A0E00 \ + 51486F800E44E190 8BCC6480113B0580 B6F4EC000EEB3630 441317800A5B48A0 \ + """) + + +class AifcULAWTest(AifcTest, unittest.TestCase): + sndfilename = 'pluck-ulaw.aifc' + sndfilenframes = 3307 + nchannels = 2 + sampwidth = 2 + framerate = 11025 + nframes = 48 + comptype = b'ulaw' + compname = b'' + frames = bytes.fromhex("""\ + 022CFFE8 497C0104 307C04DC 8284083C CB84069C 497C03DC BE8401AC 036CFE74 \ + B684FA24 B684F344 2A7CEC04 19FCE704 EE04E504 C584E204 0E3CE104 EF04DF84 \ + 557CE204 FB24E804 12FCEF04 D784F744 9684FB64 F5C4FC24 083CFBA4 DF84FB24 \ + 11FCFA24 3E7CFB64 BA84FCB4 657CFF5C CF84041C 417C093C C1840EBC 517C12FC \ + EF0416FC 828415FC 7D7C13FC 828412FC 497C0EBC 517C0DBC F0040F3C CD840FFC \ + E5040CBC 617C0A3C 08BC0A3C 2C7C0B3C 517C0E3C 8A8410FC B6840EBC 457C0A3C \ + """) + if sys.byteorder != 'big': + frames = audiotests.byteswap2(frames) + + +class AifcALAWTest(AifcTest, unittest.TestCase): + sndfilename = 'pluck-alaw.aifc' + sndfilenframes = 3307 + nchannels = 2 + sampwidth = 2 + framerate = 11025 + nframes = 48 + comptype = b'alaw' + compname = b'' + frames = bytes.fromhex("""\ + 0230FFE8 4A0000F8 310004E0 82000840 CB0006A0 4A0003F0 BE0001A8 0370FE78 \ + BA00FA20 B600F340 2900EB80 1A80E680 ED80E480 C700E280 0E40E080 EF80E080 \ + 5600E280 FB20E880 1380EF80 D900F740 9600FB60 F5C0FC10 0840FBA0 DF00FB20 \ + 1180FA20 3F00FB60 BE00FCB0 6600FF58 CF000420 42000940 C1000EC0 52001280 \ + EE801780 82001680 7E001480 82001280 4A000EC0 52000DC0 EF800F40 CF000FC0 \ + E4800CC0 62000A40 08C00A40 2B000B40 52000E40 8A001180 B6000EC0 46000A40 \ + """) + if sys.byteorder != 'big': + frames = audiotests.byteswap2(frames) + + +class AifcMiscTest(audiotests.AudioTests, unittest.TestCase): def test_skipunknown(self): #Issue 2245 #This file contains chunk types aifc doesn't recognize. - self.f = aifc.open(self.sndfilepath) - - def test_params(self): - f = self.f = aifc.open(self.sndfilepath) - self.assertEqual(f.getfp().name, self.sndfilepath) - self.assertEqual(f.getnchannels(), 2) - self.assertEqual(f.getsampwidth(), 2) - self.assertEqual(f.getframerate(), 48000) - self.assertEqual(f.getnframes(), 14400) - self.assertEqual(f.getcomptype(), b'NONE') - self.assertEqual(f.getcompname(), b'not compressed') - self.assertEqual( - f.getparams(), - (2, 2, 48000, 14400, b'NONE', b'not compressed'), - ) - - def test_read(self): - f = self.f = aifc.open(self.sndfilepath) - self.assertEqual(f.readframes(0), b'') - self.assertEqual(f.tell(), 0) - self.assertEqual(f.readframes(2), b'\x00\x00\x00\x00\x0b\xd4\x0b\xd4') - f.rewind() - pos0 = f.tell() - self.assertEqual(pos0, 0) - self.assertEqual(f.readframes(2), b'\x00\x00\x00\x00\x0b\xd4\x0b\xd4') - pos2 = f.tell() - self.assertEqual(pos2, 2) - self.assertEqual(f.readframes(2), b'\x17t\x17t"\xad"\xad') - f.setpos(pos2) - self.assertEqual(f.readframes(2), b'\x17t\x17t"\xad"\xad') - f.setpos(pos0) - self.assertEqual(f.readframes(2), b'\x00\x00\x00\x00\x0b\xd4\x0b\xd4') - with self.assertRaises(aifc.Error): - f.setpos(-1) - with self.assertRaises(aifc.Error): - f.setpos(f.getnframes() + 1) - - def test_write(self): - f = self.f = aifc.open(self.sndfilepath) - fout = self.fout = aifc.open(TESTFN, 'wb') - fout.aifc() - fout.setparams(f.getparams()) - for frame in range(f.getnframes()): - fout.writeframes(f.readframes(1)) - fout.close() - fout = self.fout = aifc.open(TESTFN, 'rb') - f.rewind() - self.assertEqual(f.getparams(), fout.getparams()) - self.assertEqual(f.readframes(5), fout.readframes(5)) - - def test_compress(self): - f = self.f = aifc.open(self.sndfilepath) - fout = self.fout = aifc.open(TESTFN, 'wb') - fout.aifc() - fout.setnchannels(f.getnchannels()) - fout.setsampwidth(f.getsampwidth()) - fout.setframerate(f.getframerate()) - fout.setcomptype(b'ULAW', b'foo') - for frame in range(f.getnframes()): - fout.writeframes(f.readframes(1)) - fout.close() - self.assertLess( - os.stat(TESTFN).st_size, - os.stat(self.sndfilepath).st_size*0.75, - ) - fout = self.fout = aifc.open(TESTFN, 'rb') - f.rewind() - self.assertEqual(f.getparams()[0:3], fout.getparams()[0:3]) - self.assertEqual(fout.getcomptype(), b'ULAW') - self.assertEqual(fout.getcompname(), b'foo') - - def test_close(self): - class Wrapfile(object): - def __init__(self, file): - self.file = open(file, 'rb') - self.closed = False - def close(self): - self.file.close() - self.closed = True - def __getattr__(self, attr): return getattr(self.file, attr) - testfile = Wrapfile(self.sndfilepath) - f = self.f = aifc.open(testfile) - self.assertEqual(testfile.closed, False) - f.close() - self.assertEqual(testfile.closed, True) - testfile = open(TESTFN, 'wb') - fout = aifc.open(testfile, 'wb') - self.assertFalse(testfile.closed) - with self.assertRaises(aifc.Error): - fout.close() - self.assertTrue(testfile.closed) - fout.close() # do nothing + self.f = aifc.open(findfile('Sine-1000Hz-300ms.aif')) def test_write_header_comptype_sampwidth(self): for comptype in (b'ULAW', b'ulaw', b'ALAW', b'alaw', b'G722'): @@ -214,11 +243,10 @@ class AIFCLowLevelTest(unittest.TestCase): b += b'COMM' + struct.pack('>LhlhhLL', 18, 0, 0, 0, 0, 0, 0) b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8 b += b'MARK' + struct.pack('>LhB', 3, 1, 1) - with captured_stdout() as s: + with self.assertWarns(UserWarning) as cm: f = aifc.open(io.BytesIO(b)) - self.assertEqual( - s.getvalue(), - 'Warning: MARK chunk contains only 0 markers instead of 1\n') + self.assertEqual(str(cm.warning), 'Warning: MARK chunk contains ' + 'only 0 markers instead of 1') self.assertEqual(f.getmarkers(), None) def test_read_comm_kludge_compname_even(self): @@ -226,9 +254,9 @@ class AIFCLowLevelTest(unittest.TestCase): b += b'COMM' + struct.pack('>LhlhhLL', 18, 0, 0, 0, 0, 0, 0) b += b'NONE' + struct.pack('B', 4) + b'even' + b'\x00' b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8 - with captured_stdout() as s: + with self.assertWarns(UserWarning) as cm: f = aifc.open(io.BytesIO(b)) - self.assertEqual(s.getvalue(), 'Warning: bad COMM chunk size\n') + self.assertEqual(str(cm.warning), 'Warning: bad COMM chunk size') self.assertEqual(f.getcompname(), b'even') def test_read_comm_kludge_compname_odd(self): @@ -236,9 +264,9 @@ class AIFCLowLevelTest(unittest.TestCase): b += b'COMM' + struct.pack('>LhlhhLL', 18, 0, 0, 0, 0, 0, 0) b += b'NONE' + struct.pack('B', 3) + b'odd' b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8 - with captured_stdout() as s: + with self.assertWarns(UserWarning) as cm: f = aifc.open(io.BytesIO(b)) - self.assertEqual(s.getvalue(), 'Warning: bad COMM chunk size\n') + self.assertEqual(str(cm.warning), 'Warning: bad COMM chunk size') self.assertEqual(f.getcompname(), b'odd') def test_write_params_raises(self): @@ -334,10 +362,5 @@ class AIFCLowLevelTest(unittest.TestCase): f.close() -def test_main(): - run_unittest(AIFCTest) - run_unittest(AIFCLowLevelTest) - - if __name__ == "__main__": unittest.main() |