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# Tests
import sys, os
from tests.base import BaseTestZSTD, zstd, tDATA, log, raise_skip, platform
class TestZstdDecompress(BaseTestZSTD):
def test_decompression_null(self):
if sys.hexversion < 0x03000000:
DATA = ''
else:
DATA = b''
self.assertRaises(zstd.Error, zstd.uncompress, zstd.compress(DATA)+b' ')
def test_decompression_streamed(self):
log.info('debug cwd: %s' % os.getcwd())
curdir = os.path.dirname(os.path.abspath(__file__))
log.info('curdir: %s' % curdir)
if platform.system()=='Windows':
raise_skip("Windiows can't find tests data")
f = open(curdir+"/test_data/facebook.ico.zst","rb")
DATA = f.read()
f.close()
log.info('data check, should be 2: %s' % zstd.check(DATA))
self.assertEqual(2, zstd.check(DATA))
zstd.uncompress(DATA)
#self.assertRaises(zstd.Error, zstd.uncompress, DATA)
def test_decompression_rusted(self):
#if sys.hexversion < 0x03000000:
#raise_skip("need python version >= 3")
if sys.hexversion < 0x03000000:
data = '{}'
else:
data = b'{}'
cdata = b'\x28\xb5\x2f\xfd\x00\x58\x11\x00\x00\x7b\x7d'
log.info('data check, should be 2: %s' % zstd.check(cdata))
self.assertEqual(2, zstd.check(cdata))
log.info("data must be '{}': %r" % zstd.uncompress(cdata))
self.assertEqual(data, zstd.uncompress(cdata))
def test_check_compressed(self):
cdata = zstd.compress(tDATA)
check = zstd.check(cdata)
log.info("zstd compressed data check, must be (1):%r" % check)
self.assertEqual(1, check)
def test_check_not_compressed(self):
check = zstd.check(tDATA)
log.info("zstd not compressed data check, must be (0):%r" % check)
self.assertEqual(0, check)
def test_check_uncompressed(self):
cdata = b''
log.info("zstd uncompressed data check, must be (0):%r" % zstd.check(cdata))
self.assertEqual(0, zstd.check(cdata))
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