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import unittest
import zstandard as zstd
from .common import (
make_cffi,
TestCase,
)
@make_cffi
class TestModuleAttributes(TestCase):
def test_version(self):
self.assertEqual(zstd.ZSTD_VERSION, (1, 4, 4))
self.assertEqual(zstd.__version__, "0.13.0")
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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