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# -*- coding: utf-8 -*-
# test_check.py
# Copyright (C) 2013 LEAP
#
# 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/>.
"""
Tests for:
* leap/common/decorators._memoized
"""
try:
import unittest2 as unittest
except ImportError:
import unittest
from time import sleep
import mock
from leap.common.decorators import _memoized
class MemoizeTests(unittest.TestCase):
def test_memoized_call(self):
"""
Test that a memoized function only calls once.
"""
witness = mock.Mock()
@_memoized
def callmebaby():
return witness()
for i in range(10):
callmebaby()
witness.assert_called_once_with()
def test_cache_invalidation(self):
"""
Test that time makes the cache invalidation expire.
"""
witness = mock.Mock()
cache_with_alzheimer = _memoized
cache_with_alzheimer.CACHE_INVALIDATION_DELTA = 1
@cache_with_alzheimer
def callmebaby(*args):
return witness(*args)
for i in range(10):
callmebaby()
witness.assert_called_once_with()
sleep(2)
callmebaby("onemoretime")
expected = [mock.call(), mock.call("onemoretime")]
self.assertEqual(
witness.call_args_list,
expected)
if __name__ == "__main__":
unittest.main()
|
