| 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() |