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from test.test_support import findfile, run_unittest
import unittest
import aifc
class AIFCTest(unittest.TestCase):
def setUp(self):
self.sndfilepath = findfile('Sine-1000Hz-300ms.aif')
def test_skipunknown(self):
#Issue 2245
#This file contains chunk types aifc doesn't recognize.
f = aifc.open(self.sndfilepath)
f.close()
def test_params(self):
f = aifc.open(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(), 'NONE')
self.assertEqual(f.getcompname(), 'not compressed')
self.assertEqual(f.getparams(), (2, 2, 48000, 14400, 'NONE', 'not compressed'))
f.close()
def test_read(self):
f = aifc.open(self.sndfilepath)
self.assertEqual(f.tell(), 0)
self.assertEqual(f.readframes(2), '\x00\x00\x00\x00\x0b\xd4\x0b\xd4')
f.rewind()
pos0 = f.tell()
self.assertEqual(pos0, 0)
self.assertEqual(f.readframes(2), '\x00\x00\x00\x00\x0b\xd4\x0b\xd4')
pos2 = f.tell()
self.assertEqual(pos2, 2)
self.assertEqual(f.readframes(2), '\x17t\x17t"\xad"\xad')
f.setpos(pos2)
self.assertEqual(f.readframes(2), '\x17t\x17t"\xad"\xad')
f.setpos(pos0)
self.assertEqual(f.readframes(2), '\x00\x00\x00\x00\x0b\xd4\x0b\xd4')
f.close()
#XXX Need more tests!
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)
def test_main():
run_unittest(AIFCTest)
if __name__ == "__main__":
unittest.main()
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