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      1 # Copyright 2016 The Brotli Authors. All rights reserved.
      2 #
      3 # Distributed under MIT license.
      4 # See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
      5 
      6 import unittest
      7 
      8 from . import _test_utils
      9 import brotli
     10 
     11 
     12 class TestCompress(_test_utils.TestCase):
     13 
     14     VARIANTS = {'quality': (1, 6, 9, 11), 'lgwin': (10, 15, 20, 24)}
     15 
     16     def _check_decompression(self, test_data, **kwargs):
     17         kwargs = {}
     18         # Write decompression to temp file and verify it matches the original.
     19         temp_uncompressed = _test_utils.get_temp_uncompressed_name(test_data)
     20         temp_compressed = _test_utils.get_temp_compressed_name(test_data)
     21         original = test_data
     22         with open(temp_uncompressed, 'wb') as out_file:
     23             with open(temp_compressed, 'rb') as in_file:
     24                 out_file.write(brotli.decompress(in_file.read(), **kwargs))
     25         self.assertFilesMatch(temp_uncompressed, original)
     26 
     27     def _compress(self, test_data, **kwargs):
     28         temp_compressed = _test_utils.get_temp_compressed_name(test_data)
     29         with open(temp_compressed, 'wb') as out_file:
     30             with open(test_data, 'rb') as in_file:
     31                 out_file.write(brotli.compress(in_file.read(), **kwargs))
     32 
     33     def _test_compress(self, test_data, **kwargs):
     34         self._compress(test_data, **kwargs)
     35         self._check_decompression(test_data, **kwargs)
     36 
     37 
     38 _test_utils.generate_test_methods(TestCompress, variants=TestCompress.VARIANTS)
     39 
     40 if __name__ == '__main__':
     41     unittest.main()
     42