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from test.support import findfile, TESTFN, unlink
import unittest
from test import audiotests
from audioop import byteswap
import os
import io
import sys
import struct
import aifc
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 = byteswap(frames, 2)
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 = byteswap(frames, 2)
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(findfile('Sine-1000Hz-300ms.aif'))
def test_params_added(self):
f = self.f = aifc.open(TESTFN, 'wb')
f.aiff()
f.setparams((1, 1, 1, 1, b'NONE', b''))
f.close()
f = self.f = aifc.open(TESTFN, 'rb')
params = f.getparams()
self.assertEqual(params.nchannels, f.getnchannels())
self.assertEqual(params.sampwidth, f.getsampwidth())
self.assertEqual(params.framerate, f.getframerate())
self.assertEqual(params.nframes, f.getnframes())
self.assertEqual(params.comptype, f.getcomptype())
self.assertEqual(params.compname, f.getcompname())
def test_write_header_comptype_sampwidth(self):
for comptype in (b'ULAW', b'ulaw', b'ALAW', b'alaw', b'G722'):
fout = aifc.open(io.BytesIO(), 'wb')
fout.setnchannels(1)
fout.setframerate(1)
fout.setcomptype(comptype, b'')
fout.close()
self.assertEqual(fout.getsampwidth(), 2)
fout.initfp(None)
def test_write_markers_values(self):
fout = aifc.open(io.BytesIO(), 'wb')
self.assertEqual(fout.getmarkers(), None)
fout.setmark(1, 0, b'foo1')
fout.setmark(1, 1, b'foo2')
self.assertEqual(fout.getmark(1), (1, 1, b'foo2'))
self.assertEqual(fout.getmarkers(), [(1, 1, b'foo2')])
fout.initfp(None)
def test_read_markers(self):
fout = self.fout = aifc.open(TESTFN, 'wb')
fout.aiff()
fout.setparams((1, 1, 1, 1, b'NONE', b''))
fout.setmark(1, 0, b'odd')
fout.setmark(2, 0, b'even')
fout.writeframes(b'\x00')
fout.close()
f = self.f = aifc.open(TESTFN, 'rb')
self.assertEqual(f.getmarkers(), [(1, 0, b'odd'), (2, 0, b'even')])
self.assertEqual(f.getmark(1), (1, 0, b'odd'))
self.assertEqual(f.getmark(2), (2, 0, b'even'))
self.assertRaises(aifc.Error, f.getmark, 3)
class AIFCLowLevelTest(unittest.TestCase):
def test_read_written(self):
def read_written(self, what):
f = io.BytesIO()
getattr(aifc, '_write_' + what)(f, x)
f.seek(0)
return getattr(aifc, '_read_' + what)(f)
for x in (-1, 0, 0.1, 1):
self.assertEqual(read_written(x, 'float'), x)
for x in (float('NaN'), float('Inf')):
self.assertEqual(read_written(x, 'float'), aifc._HUGE_VAL)
for x in (b'', b'foo', b'a' * 255):
self.assertEqual(read_written(x, 'string'), x)
for x in (-0x7FFFFFFF, -1, 0, 1, 0x7FFFFFFF):
self.assertEqual(read_written(x, 'long'), x)
for x in (0, 1, 0xFFFFFFFF):
self.assertEqual(read_written(x, 'ulong'), x)
for x in (-0x7FFF, -1, 0, 1, 0x7FFF):
self.assertEqual(read_written(x, 'short'), x)
for x in (0, 1, 0xFFFF):
self.assertEqual(read_written(x, 'ushort'), x)
def test_read_raises(self):
f = io.BytesIO(b'\x00')
self.assertRaises(EOFError, aifc._read_ulong, f)
self.assertRaises(EOFError, aifc._read_long, f)
self.assertRaises(EOFError, aifc._read_ushort, f)
self.assertRaises(EOFError, aifc._read_short, f)
def test_write_long_string_raises(self):
f = io.BytesIO()
with self.assertRaises(ValueError):
aifc._write_string(f, b'too long' * 255)
def test_wrong_open_mode(self):
with self.assertRaises(aifc.Error):
aifc.open(TESTFN, 'wrong_mode')
def test_read_wrong_form(self):
b1 = io.BytesIO(b'WRNG' + struct.pack('>L', 0))
b2 = io.BytesIO(b'FORM' + struct.pack('>L', 4) + b'WRNG')
self.assertRaises(aifc.Error, aifc.open, b1)
self.assertRaises(aifc.Error, aifc.open, b2)
def test_read_no_comm_chunk(self):
b = io.BytesIO(b'FORM' + struct.pack('>L', 4) + b'AIFF')
self.assertRaises(aifc.Error, aifc.open, b)
def test_read_wrong_compression_type(self):
b = b'FORM' + struct.pack('>L', 4) + b'AIFC'
b += b'COMM' + struct.pack('>LhlhhLL', 23, 0, 0, 0, 0, 0, 0)
b += b'WRNG' + struct.pack('B', 0)
self.assertRaises(aifc.Error, aifc.open, io.BytesIO(b))
def test_read_wrong_marks(self):
b = b'FORM' + struct.pack('>L', 4) + b'AIFF'
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 self.assertWarns(UserWarning) as cm:
f = aifc.open(io.BytesIO(b))
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):
b = b'FORM' + struct.pack('>L', 4) + b'AIFC'
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 self.assertWarns(UserWarning) as cm:
f = aifc.open(io.BytesIO(b))
self.assertEqual(str(cm.warning), 'Warning: bad COMM chunk size')
self.assertEqual(f.getcompname(), b'even')
def test_read_comm_kludge_compname_odd(self):
b = b'FORM' + struct.pack('>L', 4) + b'AIFC'
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 self.assertWarns(UserWarning) as cm:
f = aifc.open(io.BytesIO(b))
self.assertEqual(str(cm.warning), 'Warning: bad COMM chunk size')
self.assertEqual(f.getcompname(), b'odd')
def test_write_params_raises(self):
fout = aifc.open(io.BytesIO(), 'wb')
wrong_params = (0, 0, 0, 0, b'WRNG', '')
self.assertRaises(aifc.Error, fout.setparams, wrong_params)
self.assertRaises(aifc.Error, fout.getparams)
self.assertRaises(aifc.Error, fout.setnchannels, 0)
self.assertRaises(aifc.Error, fout.getnchannels)
self.assertRaises(aifc.Error, fout.setsampwidth, 0)
self.assertRaises(aifc.Error, fout.getsampwidth)
self.assertRaises(aifc.Error, fout.setframerate, 0)
self.assertRaises(aifc.Error, fout.getframerate)
self.assertRaises(aifc.Error, fout.setcomptype, b'WRNG', '')
fout.aiff()
fout.setnchannels(1)
fout.setsampwidth(1)
fout.setframerate(1)
fout.setnframes(1)
fout.writeframes(b'\x00')
self.assertRaises(aifc.Error, fout.setparams, (1, 1, 1, 1, 1, 1))
self.assertRaises(aifc.Error, fout.setnchannels, 1)
self.assertRaises(aifc.Error, fout.setsampwidth, 1)
self.assertRaises(aifc.Error, fout.setframerate, 1)
self.assertRaises(aifc.Error, fout.setnframes, 1)
self.assertRaises(aifc.Error, fout.setcomptype, b'NONE', '')
self.assertRaises(aifc.Error, fout.aiff)
self.assertRaises(aifc.Error, fout.aifc)
def test_write_params_singles(self):
fout = aifc.open(io.BytesIO(), 'wb')
fout.aifc()
fout.setnchannels(1)
fout.setsampwidth(2)
fout.setframerate(3)
fout.setnframes(4)
fout.setcomptype(b'NONE', b'name')
self.assertEqual(fout.getnchannels(), 1)
self.assertEqual(fout.getsampwidth(), 2)
self.assertEqual(fout.getframerate(), 3)
self.assertEqual(fout.getnframes(), 0)
self.assertEqual(fout.tell(), 0)
self.assertEqual(fout.getcomptype(), b'NONE')
self.assertEqual(fout.getcompname(), b'name')
fout.writeframes(b'\x00' * 4 * fout.getsampwidth() * fout.getnchannels())
self.assertEqual(fout.getnframes(), 4)
self.assertEqual(fout.tell(), 4)
def test_write_params_bunch(self):
fout = aifc.open(io.BytesIO(), 'wb')
fout.aifc()
p = (1, 2, 3, 4, b'NONE', b'name')
fout.setparams(p)
self.assertEqual(fout.getparams(), p)
fout.initfp(None)
def test_write_header_raises(self):
fout = aifc.open(io.BytesIO(), 'wb')
self.assertRaises(aifc.Error, fout.close)
fout = aifc.open(io.BytesIO(), 'wb')
fout.setnchannels(1)
self.assertRaises(aifc.Error, fout.close)
fout = aifc.open(io.BytesIO(), 'wb')
fout.setnchannels(1)
fout.setsampwidth(1)
self.assertRaises(aifc.Error, fout.close)
def test_write_header_comptype_raises(self):
for comptype in (b'ULAW', b'ulaw', b'ALAW', b'alaw', b'G722'):
fout = aifc.open(io.BytesIO(), 'wb')
fout.setsampwidth(1)
fout.setcomptype(comptype, b'')
self.assertRaises(aifc.Error, fout.close)
fout.initfp(None)
def test_write_markers_raises(self):
fout = aifc.open(io.BytesIO(), 'wb')
self.assertRaises(aifc.Error, fout.setmark, 0, 0, b'')
self.assertRaises(aifc.Error, fout.setmark, 1, -1, b'')
self.assertRaises(aifc.Error, fout.setmark, 1, 0, None)
self.assertRaises(aifc.Error, fout.getmark, 1)
fout.initfp(None)
def test_write_aiff_by_extension(self):
sampwidth = 2
filename = TESTFN + '.aiff'
fout = self.fout = aifc.open(filename, 'wb')
self.addCleanup(unlink, filename)
fout.setparams((1, sampwidth, 1, 1, b'ULAW', b''))
frames = b'\x00' * fout.getnchannels() * sampwidth
fout.writeframes(frames)
fout.close()
f = self.f = aifc.open(filename, 'rb')
self.assertEqual(f.getcomptype(), b'NONE')
f.close()
if __name__ == "__main__":
unittest.main()
|
