/usr/lib/python2.7/dist-packages/oslo_messaging/tests/drivers/zmq/test_zmq_ttl_cache.py is in python-oslo.messaging 5.10.0-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | # Copyright 2016 Mirantis, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import time
from oslo_messaging._drivers.zmq_driver.server import zmq_ttl_cache
from oslo_messaging.tests import utils as test_utils
class TestZmqTTLCache(test_utils.BaseTestCase):
def setUp(self):
super(TestZmqTTLCache, self).setUp()
def call_count_decorator(unbound_method):
def wrapper(self, *args, **kwargs):
wrapper.call_count += 1
return unbound_method(self, *args, **kwargs)
wrapper.call_count = 0
return wrapper
zmq_ttl_cache.TTLCache._update_cache = \
call_count_decorator(zmq_ttl_cache.TTLCache._update_cache)
self.cache = zmq_ttl_cache.TTLCache(ttl=1)
def _test_in_operator(self):
self.cache.add(1)
self.assertTrue(1 in self.cache)
time.sleep(0.5)
self.cache.add(2)
self.assertTrue(1 in self.cache)
self.assertTrue(2 in self.cache)
time.sleep(0.75)
self.cache.add(3)
self.assertFalse(1 in self.cache)
self.assertTrue(2 in self.cache)
self.assertTrue(3 in self.cache)
time.sleep(0.5)
self.assertFalse(2 in self.cache)
self.assertTrue(3 in self.cache)
def test_in_operator_with_executor(self):
self._test_in_operator()
def test_in_operator_without_executor(self):
self.cache._executor.stop()
self._test_in_operator()
def _is_expired(self, item):
with self.cache._lock:
return self.cache._is_expired(self.cache._expiration_times[item],
time.time())
def test_executor(self):
self.cache.add(1)
self.assertEqual([1], sorted(self.cache._expiration_times.keys()))
self.assertFalse(self._is_expired(1))
time.sleep(0.75)
self.assertEqual(1, self.cache._update_cache.call_count)
self.cache.add(2)
self.assertEqual([1, 2], sorted(self.cache._expiration_times.keys()))
self.assertFalse(self._is_expired(1))
self.assertFalse(self._is_expired(2))
time.sleep(0.75)
self.assertEqual(2, self.cache._update_cache.call_count)
self.cache.add(3)
if 1 in self.cache:
self.assertEqual([1, 2, 3],
sorted(self.cache._expiration_times.keys()))
self.assertTrue(self._is_expired(1))
else:
self.assertEqual([2, 3],
sorted(self.cache._expiration_times.keys()))
self.assertFalse(self._is_expired(2))
self.assertFalse(self._is_expired(3))
time.sleep(0.75)
self.assertEqual(3, self.cache._update_cache.call_count)
self.assertEqual([3], sorted(self.cache._expiration_times.keys()))
self.assertFalse(self._is_expired(3))
def cleanUp(self):
self.cache.cleanup()
super(TestZmqTTLCache, self).cleanUp()
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