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from test.support import TESTFN, run_unittest
import os
import wave
import unittest
nchannels = 2
sampwidth = 2
framerate = 8000
nframes = 100
class TestWave(unittest.TestCase):
def setUp(self):
self.f = None
def tearDown(self):
if self.f is not None:
self.f.close()
try:
os.remove(TESTFN)
except OSError:
pass
def test_it(self):
self.f = wave.open(TESTFN, 'wb')
self.f.setnchannels(nchannels)
self.f.setsampwidth(sampwidth)
self.f.setframerate(framerate)
self.f.setnframes(nframes)
output = b'\0' * nframes * nchannels * sampwidth
self.f.writeframes(output)
self.f.close()
self.f = wave.open(TESTFN, 'rb')
self.assertEqual(nchannels, self.f.getnchannels())
self.assertEqual(sampwidth, self.f.getsampwidth())
self.assertEqual(framerate, self.f.getframerate())
self.assertEqual(nframes, self.f.getnframes())
self.assertEqual(self.f.readframes(nframes), output)
def test_main():
run_unittest(TestWave)
if __name__ == '__main__':
test_main()
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