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#!/usr/bin/env python
# SSSD
#
# Unit tests for pysss_murmur
#
# Copyright (C) Sumit Bose <sbose@redhat.com> 2012
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import print_function
import unittest
import sys
import os
import tempfile
BUILD_DIR = os.getenv('builddir') or "."
TEST_DIR = os.path.realpath(os.getenv('SSS_TEST_DIR') or ".")
MODPATH = tempfile.mkdtemp(prefix="tp_pysss_murmur_", dir=TEST_DIR)
class PySssMurmurImport(unittest.TestCase):
def setUp(self):
" Make sure we load the in-tree module "
self.system_path = sys.path[:]
sys.path = [MODPATH]
print(os.getcwd())
print(MODPATH)
def tearDown(self):
" Restore the system path "
sys.path = self.system_path
def testImport(self):
" Import the module and assert it comes from tree "
try:
dest_module_path = MODPATH + "/pysss_murmur.so"
if sys.version_info[0] > 2:
src_module_path = BUILD_DIR + "/.libs/_py3sss_murmur.so"
else:
src_module_path = BUILD_DIR + "/.libs/_py2sss_murmur.so"
src_module_path = os.path.abspath(src_module_path)
os.symlink(src_module_path, dest_module_path)
import pysss_murmur
except ImportError as e:
print("Could not load the pysss_murmur module. "
"Please check if it is compiled", file=sys.stderr)
raise e
self.assertEqual(os.path.realpath(pysss_murmur.__file__),
os.path.realpath(MODPATH + "/pysss_murmur.so"))
class PySssMurmurTestNeg(unittest.TestCase):
def test_invalid_arguments(self):
self.assertRaises(ValueError, pysss_murmur.murmurhash3, 1, 2, 3)
self.assertRaises(ValueError, pysss_murmur.murmurhash3, "test", 2)
self.assertRaises(ValueError, pysss_murmur.murmurhash3, "test")
self.assertRaises(ValueError, pysss_murmur.murmurhash3)
def test_invalid_length(self):
seed = 12345
self.assertRaises(ValueError, pysss_murmur.murmurhash3, "t", -1, seed)
# length is off by one
self.assertRaises(ValueError, pysss_murmur.murmurhash3, "test", 5,
seed)
self.assertRaises(ValueError, pysss_murmur.murmurhash3, "test",
0xffffffffff, seed)
class PySssMurmurTestPos(unittest.TestCase):
@classmethod
def tearDownClass(cls):
os.unlink(MODPATH + "/pysss_murmur.so")
os.rmdir(MODPATH)
def testExpectedHash(self):
sid_str = "S-1-5-21-2153326666-2176343378-3404031434"
seed = 0xdeadbeef
hash_val = pysss_murmur.murmurhash3(sid_str, 0, seed)
self.assertEqual(hash_val, 233162409)
hash_val = pysss_murmur.murmurhash3(sid_str, len(sid_str), seed)
self.assertEqual(hash_val, 93103853)
def test_memory_cache_usage(self):
seed = 0xbeefdead
input_str = "test_user1"
input_len = len(input_str)
val_bin = pysss_murmur.murmurhash3(input_str + '\0',
input_len + 1, seed)
self.assertEqual(val_bin, 1198610880)
val_bin = pysss_murmur.murmurhash3(input_str + '\0' * 5,
input_len + 5, seed)
self.assertEqual(val_bin, 2917868047)
if __name__ == "__main__":
error = 0
suite = unittest.TestLoader().loadTestsFromTestCase(PySssMurmurImport)
res = unittest.TextTestRunner().run(suite)
if not res.wasSuccessful():
error |= 0x1
# need to bail out here because pysss_murmur could not be imported
sys.exit(error)
# import the pysss_murmur module into the global namespace, but make sure
# it's the one in tree
sys.path.insert(0, MODPATH)
import pysss_murmur
suite = unittest.TestLoader().loadTestsFromTestCase(PySssMurmurTestNeg)
res = unittest.TextTestRunner().run(suite)
if not res.wasSuccessful():
error |= 0x2
suite = unittest.TestLoader().loadTestsFromTestCase(PySssMurmurTestPos)
res = unittest.TextTestRunner().run(suite)
if not res.wasSuccessful():
error |= 0x4
sys.exit(error)
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