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91 lines
3.3 KiB
91 lines
3.3 KiB
# 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 _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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