12 def _get_original_name(test_data):  argument
13     return test_data.split('.compressed')[0]
18     def _check_decompression(self, test_data):  argument
20         temp_uncompressed = _test_utils.get_temp_uncompressed_name(test_data)
21         original = _get_original_name(test_data)
24     def _decompress(self, test_data):  argument
25         temp_uncompressed = _test_utils.get_temp_uncompressed_name(test_data)
27             with open(test_data, 'rb') as in_file:
30     def _test_decompress(self, test_data):  argument
31         self._decompress(test_data)
32         self._check_decompression(test_data)