upstream/mercurial-mirror Files · contrib/python-zstandard/tests/test_module_attributes.py

remotefilelog: replace repack lock to solve race condition...

remotefilelog: replace repack lock to solve race condition reduced the probability of race-conditions when starting background repack and prefetch and we saw the difference in our CI instance with all failures disappearing except one where one call to waitonrepack seems to returns too early. I'm not sure what exactly goes wrong but I realized that while the prefetch operation uses a standard Mercurial lock, the repack operation is using a custom lock based on `fcntl.flock` on available platforms. As `extutil.flock` fallback on traditional Mercurial locks on other platforms and the tests are stable on my laptop, our CI environment and GCC112, I'm sending this patch to standardize the behavior across environments. Differential Revision: https://phab.mercurial-scm.org/D6844

Gregory Szorc - - Load All Authors

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             test_module_attributes.py
        
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      from __future__ import unicode_literals

      import unittest

      import zstandard as zstd

      from . common import (

          make_cffi,

      )

      @make_cffi

      class TestModuleAttributes(unittest.TestCase):

          def test_version(self):

              self.assertEqual(zstd.ZSTD_VERSION, (1, 4, 3))

              self.assertEqual(zstd.__version__, '0.12.0')

          def test_constants(self):

              self.assertEqual(zstd.MAX_COMPRESSION_LEVEL, 22)

              self.assertEqual(zstd.FRAME_HEADER, b'\x28\xb5\x2f\xfd')

          def test_hasattr(self):

              attrs = (

                  'CONTENTSIZE_UNKNOWN',

                  'CONTENTSIZE_ERROR',

                  'COMPRESSION_RECOMMENDED_INPUT_SIZE',

                  'COMPRESSION_RECOMMENDED_OUTPUT_SIZE',

                  'DECOMPRESSION_RECOMMENDED_INPUT_SIZE',

                  'DECOMPRESSION_RECOMMENDED_OUTPUT_SIZE',

                  'MAGIC_NUMBER',

                  'FLUSH_BLOCK',

                  'FLUSH_FRAME',

                  'BLOCKSIZELOG_MAX',

                  'BLOCKSIZE_MAX',

                  'WINDOWLOG_MIN',

                  'WINDOWLOG_MAX',

                  'CHAINLOG_MIN',

                  'CHAINLOG_MAX',

                  'HASHLOG_MIN',

                  'HASHLOG_MAX',

                  'HASHLOG3_MAX',

                  'MINMATCH_MIN',

                  'MINMATCH_MAX',

                  'SEARCHLOG_MIN',

                  'SEARCHLOG_MAX',

                  'SEARCHLENGTH_MIN',

                  'SEARCHLENGTH_MAX',

                  'TARGETLENGTH_MIN',

                  'TARGETLENGTH_MAX',

                  'LDM_MINMATCH_MIN',

                  'LDM_MINMATCH_MAX',

                  'LDM_BUCKETSIZELOG_MAX',

                  'STRATEGY_FAST',

                  'STRATEGY_DFAST',

                  'STRATEGY_GREEDY',

                  'STRATEGY_LAZY',

                  'STRATEGY_LAZY2',

                  'STRATEGY_BTLAZY2',

                  'STRATEGY_BTOPT',

                  'STRATEGY_BTULTRA',

                  'STRATEGY_BTULTRA2',

                  'DICT_TYPE_AUTO',

                  'DICT_TYPE_RAWCONTENT',

                  'DICT_TYPE_FULLDICT',

              )

              for a in attrs:

                  self.assertTrue(hasattr(zstd, a), a)

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				from __future__ import unicode_literals

				import unittest

				import zstandard as zstd

				from . common import (
				make_cffi,
				)


				@make_cffi
				class TestModuleAttributes(unittest.TestCase):
				def test_version(self):
				self.assertEqual(zstd.ZSTD_VERSION, (1, 4, 3))

				self.assertEqual(zstd.__version__, '0.12.0')

				def test_constants(self):
				self.assertEqual(zstd.MAX_COMPRESSION_LEVEL, 22)
				self.assertEqual(zstd.FRAME_HEADER, b'\x28\xb5\x2f\xfd')

				def test_hasattr(self):
				attrs = (
				'CONTENTSIZE_UNKNOWN',
				'CONTENTSIZE_ERROR',
				'COMPRESSION_RECOMMENDED_INPUT_SIZE',
				'COMPRESSION_RECOMMENDED_OUTPUT_SIZE',
				'DECOMPRESSION_RECOMMENDED_INPUT_SIZE',
				'DECOMPRESSION_RECOMMENDED_OUTPUT_SIZE',
				'MAGIC_NUMBER',
				'FLUSH_BLOCK',
				'FLUSH_FRAME',
				'BLOCKSIZELOG_MAX',
				'BLOCKSIZE_MAX',
				'WINDOWLOG_MIN',
				'WINDOWLOG_MAX',
				'CHAINLOG_MIN',
				'CHAINLOG_MAX',
				'HASHLOG_MIN',
				'HASHLOG_MAX',
				'HASHLOG3_MAX',
				'MINMATCH_MIN',
				'MINMATCH_MAX',
				'SEARCHLOG_MIN',
				'SEARCHLOG_MAX',
				'SEARCHLENGTH_MIN',
				'SEARCHLENGTH_MAX',
				'TARGETLENGTH_MIN',
				'TARGETLENGTH_MAX',
				'LDM_MINMATCH_MIN',
				'LDM_MINMATCH_MAX',
				'LDM_BUCKETSIZELOG_MAX',
				'STRATEGY_FAST',
				'STRATEGY_DFAST',
				'STRATEGY_GREEDY',
				'STRATEGY_LAZY',
				'STRATEGY_LAZY2',
				'STRATEGY_BTLAZY2',
				'STRATEGY_BTOPT',
				'STRATEGY_BTULTRA',
				'STRATEGY_BTULTRA2',
				'DICT_TYPE_AUTO',
				'DICT_TYPE_RAWCONTENT',
				'DICT_TYPE_FULLDICT',
				)

				for a in attrs:
				self.assertTrue(hasattr(zstd, a), a)