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95 lines
3.4 KiB
Python
95 lines
3.4 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 functools
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import unittest
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from . import _test_utils
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import brotli
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# Do not inherit from TestCase here to ensure that test methods
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# are not run automatically and instead are run as part of a specific
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# configuration below.
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class _TestCompressor(object):
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CHUNK_SIZE = 2048
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def tearDown(self):
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self.compressor = None
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def _check_decompression(self, test_data):
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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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with open(temp_uncompressed, 'wb') as out_file:
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with open(temp_compressed, 'rb') as in_file:
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out_file.write(brotli.decompress(in_file.read()))
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self.assertFilesMatch(temp_uncompressed, original)
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def _test_single_process(self, test_data):
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# Write single-shot compression to temp file.
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temp_compressed = _test_utils.get_temp_compressed_name(test_data)
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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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out_file.write(self.compressor.process(in_file.read()))
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out_file.write(self.compressor.finish())
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self._check_decompression(test_data)
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def _test_multiple_process(self, test_data):
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# Write chunked compression to temp file.
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temp_compressed = _test_utils.get_temp_compressed_name(test_data)
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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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read_chunk = functools.partial(in_file.read, self.CHUNK_SIZE)
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for data in iter(read_chunk, b''):
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out_file.write(self.compressor.process(data))
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out_file.write(self.compressor.finish())
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self._check_decompression(test_data)
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def _test_multiple_process_and_flush(self, test_data):
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# Write chunked and flushed compression to temp file.
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temp_compressed = _test_utils.get_temp_compressed_name(test_data)
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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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read_chunk = functools.partial(in_file.read, self.CHUNK_SIZE)
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for data in iter(read_chunk, b''):
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out_file.write(self.compressor.process(data))
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out_file.write(self.compressor.flush())
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out_file.write(self.compressor.finish())
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self._check_decompression(test_data)
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_test_utils.generate_test_methods(_TestCompressor)
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class TestCompressorQuality1(_TestCompressor, _test_utils.TestCase):
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def setUp(self):
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self.compressor = brotli.Compressor(quality=1)
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class TestCompressorQuality6(_TestCompressor, _test_utils.TestCase):
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def setUp(self):
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self.compressor = brotli.Compressor(quality=6)
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class TestCompressorQuality9(_TestCompressor, _test_utils.TestCase):
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def setUp(self):
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self.compressor = brotli.Compressor(quality=9)
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class TestCompressorQuality11(_TestCompressor, _test_utils.TestCase):
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def setUp(self):
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self.compressor = brotli.Compressor(quality=11)
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if __name__ == '__main__':
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unittest.main()
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