kc3-lang/brotli/python/tests/bro_test.py

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  Commit

• Hash : 9686382f
  Author :
  Date : 2025-09-24T03:52:03
  

  PY: continue renovation of extension
  
  Fixed unchecked malloc for "tail" input data.
  Fixed inconsistencies in docstrings.
  
  Rewritten "growable buffer" to C-code, so it could run without acquiring GIL.
  
  Breaking changes:
   - native object allocation failures now handled at object creation time
   - some lower level exceptions (e.g. OOM) are not shadowed by brotli.error
  
  PiperOrigin-RevId: 810813664
  

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• python/tests/bro_test.py

• # Copyright 2016 The Brotli Authors. All rights reserved.
  #
  # Distributed under MIT license.
  # See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
  
  import subprocess
  import unittest
  
  from . import _test_utils
  
  BRO_ARGS = _test_utils.BRO_ARGS
  TEST_ENV = _test_utils.TEST_ENV
  
  
  def _get_original_name(test_data):
    return test_data.split('.compressed')[0]
  
  
  class TestBroDecompress(_test_utils.TestCase):
  
    def _check_decompression(self, test_data):
      # Verify decompression matches the original.
      temp_uncompressed = _test_utils.get_temp_uncompressed_name(test_data)
      original = _get_original_name(test_data)
      self.assert_files_match(temp_uncompressed, original)
  
    def _decompress_file(self, test_data):
      temp_uncompressed = _test_utils.get_temp_uncompressed_name(test_data)
      args = BRO_ARGS + ['-f', '-d', '-i', test_data, '-o', temp_uncompressed]
      subprocess.check_call(args, env=TEST_ENV)
  
    def _decompress_pipe(self, test_data):
      temp_uncompressed = _test_utils.get_temp_uncompressed_name(test_data)
      args = BRO_ARGS + ['-d']
      with open(temp_uncompressed, 'wb') as out_file:
        with open(test_data, 'rb') as in_file:
          subprocess.check_call(
              args, stdin=in_file, stdout=out_file, env=TEST_ENV
          )
  
    def _test_decompress_file(self, test_data):
      self._decompress_file(test_data)
      self._check_decompression(test_data)
  
    def _test_decompress_pipe(self, test_data):
      self._decompress_pipe(test_data)
      self._check_decompression(test_data)
  
  
  _test_utils.generate_test_methods(TestBroDecompress, for_decompression=True)
  
  
  class TestBroCompress(_test_utils.TestCase):
  
    VARIANTS = {'quality': (1, 6, 9, 11), 'lgwin': (10, 15, 20, 24)}
  
    def _check_decompression(self, test_data):
      # Write decompression to temp file and verify it matches the original.
      temp_uncompressed = _test_utils.get_temp_uncompressed_name(test_data)
      temp_compressed = _test_utils.get_temp_compressed_name(test_data)
      original = test_data
      args = BRO_ARGS + ['-f', '-d']
      args.extend(['-i', temp_compressed, '-o', temp_uncompressed])
      subprocess.check_call(args, env=TEST_ENV)
      self.assert_files_match(temp_uncompressed, original)
  
    def _compress_file(self, test_data, **kwargs):
      temp_compressed = _test_utils.get_temp_compressed_name(test_data)
      args = BRO_ARGS + ['-f']
      if 'quality' in kwargs:
        args.extend(['-q', str(kwargs['quality'])])
      if 'lgwin' in kwargs:
        args.extend(['--lgwin', str(kwargs['lgwin'])])
      args.extend(['-i', test_data, '-o', temp_compressed])
      subprocess.check_call(args, env=TEST_ENV)
  
    def _compress_pipe(self, test_data, **kwargs):
      temp_compressed = _test_utils.get_temp_compressed_name(test_data)
      args = BRO_ARGS
      if 'quality' in kwargs:
        args.extend(['-q', str(kwargs['quality'])])
      if 'lgwin' in kwargs:
        args.extend(['--lgwin', str(kwargs['lgwin'])])
      with open(temp_compressed, 'wb') as out_file:
        with open(test_data, 'rb') as in_file:
          subprocess.check_call(
              args, stdin=in_file, stdout=out_file, env=TEST_ENV
          )
  
    def _test_compress_file(self, test_data, **kwargs):
      self._compress_file(test_data, **kwargs)
      self._check_decompression(test_data)
  
    def _test_compress_pipe(self, test_data, **kwargs):
      self._compress_pipe(test_data, **kwargs)
      self._check_decompression(test_data)
  
  
  _test_utils.generate_test_methods(
      TestBroCompress, variants=TestBroCompress.VARIANTS
  )
  
  if __name__ == '__main__':
    unittest.main()
  

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