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# Copyright 2007 Google Inc.
#
# 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 2
# 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, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
"""Unit tests for out cache factory."""
__author__ = "springer@google.com (Matthew Springer)"
import unittest
from nss_cache.caches import caches
from nss_cache.caches import cache_factory
class TestCacheFactory(unittest.TestCase):
def testRegister(self):
class DummyCache(caches.Cache):
pass
old_cache_implementations = cache_factory._cache_implementations
cache_factory._cache_implementations = {}
cache_factory.RegisterImplementation("dummy", "dummy", DummyCache)
self.assertEqual(1, len(cache_factory._cache_implementations))
self.assertEqual(1, len(cache_factory._cache_implementations["dummy"]))
self.assertEqual(
DummyCache, cache_factory._cache_implementations["dummy"]["dummy"]
)
cache_factory._cache_implementations = old_cache_implementations
def testCreateWithNoImplementations(self):
old_cache_implementations = cache_factory._cache_implementations
cache_factory._cache_implementations = {}
self.assertRaises(RuntimeError, cache_factory.Create, {}, "map_name")
cache_factory._cache_implementations = old_cache_implementations
def testThatRegularImplementationsArePresent(self):
self.assertEqual(len(cache_factory._cache_implementations), 1)
if __name__ == "__main__":
unittest.main()
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