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