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........
  r72115 | r.david.murray | 2009-04-29 16:15:18 -0400 (Wed, 29 Apr 2009) | 2 lines

  More aifc tests.
........
This commit is contained in:
R. David Murray 2009-04-29 20:40:42 +00:00
parent d3ca557150
commit eb01a6cdb3
1 changed files with 53 additions and 7 deletions
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60
Lib/test/test_aifc.py
View file

@ -1,5 +1,6 @@
from test.support import findfile, run_unittest from test.support import findfile, run_unittest, TESTFN
import unittest import unittest
import os
import aifc import aifc
@ -7,16 +8,29 @@ import aifc
class AIFCTest(unittest.TestCase): class AIFCTest(unittest.TestCase):
def setUp(self): def setUp(self):
self.f = self.fout = None
self.sndfilepath = findfile('Sine-1000Hz-300ms.aif') 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
try:
os.remove(TESTFN)
except OSError:
pass
def test_skipunknown(self): def test_skipunknown(self):
#Issue 2245 #Issue 2245
#This file contains chunk types aifc doesn't recognize. #This file contains chunk types aifc doesn't recognize.
f = aifc.open(self.sndfilepath) f = aifc.open(self.sndfilepath)
f.close()
def test_params(self): def test_params(self):
f = aifc.open(self.sndfilepath) f = self.f = aifc.open(self.sndfilepath)
self.assertEqual(f.getnchannels(), 2) self.assertEqual(f.getnchannels(), 2)
self.assertEqual(f.getsampwidth(), 2) self.assertEqual(f.getsampwidth(), 2)
self.assertEqual(f.getframerate(), 48000) self.assertEqual(f.getframerate(), 48000)
@ -29,10 +43,9 @@ class AIFCTest(unittest.TestCase):
f.getparams(), f.getparams(),
(2, 2, 48000, 14400, b'NONE', b'not compressed'), (2, 2, 48000, 14400, b'NONE', b'not compressed'),
) )
f.close()
def test_read(self): def test_read(self):
f = aifc.open(self.sndfilepath) f = self.f = aifc.open(self.sndfilepath)
self.assertEqual(f.tell(), 0) self.assertEqual(f.tell(), 0)
self.assertEqual(f.readframes(2), b'\x00\x00\x00\x00\x0b\xd4\x0b\xd4') self.assertEqual(f.readframes(2), b'\x00\x00\x00\x00\x0b\xd4\x0b\xd4')
f.rewind() f.rewind()
@ -46,9 +59,42 @@ class AIFCTest(unittest.TestCase):
self.assertEqual(f.readframes(2), b'\x17t\x17t"\xad"\xad') self.assertEqual(f.readframes(2), b'\x17t\x17t"\xad"\xad')
f.setpos(pos0) f.setpos(pos0)
self.assertEqual(f.readframes(2), b'\x00\x00\x00\x00\x0b\xd4\x0b\xd4') self.assertEqual(f.readframes(2), b'\x00\x00\x00\x00\x0b\xd4\x0b\xd4')
f.close()
#XXX Need more tests! 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')
# XXX: this test fails, not sure if it should succeed or not
# self.assertEqual(f.readframes(5), fout.readframes(5))
def test_main(): def test_main():