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import sndhdr
import pickle
import unittest
from test.support import findfile
class TestFormats(unittest.TestCase):
def test_data(self):
for filename, expected in (
('sndhdr.8svx', ('8svx', 0, 1, 0, 8)),
('sndhdr.aifc', ('aifc', 44100, 2, 5, 16)),
('sndhdr.aiff', ('aiff', 44100, 2, 5, 16)),
('sndhdr.au', ('au', 44100, 2, 5.0, 16)),
('sndhdr.hcom', ('hcom', 22050.0, 1, -1, 8)),
('sndhdr.sndt', ('sndt', 44100, 1, 5, 8)),
('sndhdr.voc', ('voc', 0, 1, -1, 8)),
('sndhdr.wav', ('wav', 44100, 2, 5, 16)),
):
filename = findfile(filename, subdir="sndhdrdata")
what = sndhdr.what(filename)
self.assertNotEqual(what, None, filename)
self.assertSequenceEqual(what, expected)
self.assertEqual(what.filetype, expected[0])
self.assertEqual(what.framerate, expected[1])
self.assertEqual(what.nchannels, expected[2])
self.assertEqual(what.nframes, expected[3])
self.assertEqual(what.sampwidth, expected[4])
def test_pickleable(self):
filename = findfile('sndhdr.aifc', subdir="sndhdrdata")
what = sndhdr.what(filename)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
dump = pickle.dumps(what, proto)
self.assertEqual(pickle.loads(dump), what)
if __name__ == '__main__':
unittest.main()
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