+ def test_determine_ext(self):
+ self.assertEqual(determine_ext('http://example.com/foo/bar.mp4/?download'), 'mp4')
+ self.assertEqual(determine_ext('http://example.com/foo/bar/?download', None), None)
+ self.assertEqual(determine_ext('http://example.com/foo/bar.nonext/?download', None), None)
+ self.assertEqual(determine_ext('http://example.com/foo/bar/mp4?download', None), None)
+ self.assertEqual(determine_ext('http://example.com/foo/bar.m3u8//?download'), 'm3u8')
+