/usr/lib/python2.7/dist-packages/oslo_messaging/tests/drivers/zmq/test_zmq_ttl_cache.py is in python-oslo.messaging 5.35.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | # 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)
self.addCleanup(lambda: self.cache.cleanup())
def _test_add_get(self):
self.cache.add('x', 'a')
self.assertEqual(self.cache.get('x'), 'a')
self.assertEqual(self.cache.get('x', 'b'), 'a')
self.assertIsNone(self.cache.get('y'))
self.assertEqual(self.cache.get('y', 'b'), 'b')
time.sleep(1)
self.assertIsNone(self.cache.get('x'))
self.assertEqual(self.cache.get('x', 'b'), 'b')
def test_add_get_with_executor(self):
self._test_add_get()
def test_add_get_without_executor(self):
self.cache._executor.stop()
self._test_add_get()
def _test_in_operator(self):
self.cache.add(1)
self.assertIn(1, self.cache)
time.sleep(0.5)
self.cache.add(2)
self.assertIn(1, self.cache)
self.assertIn(2, self.cache)
time.sleep(0.75)
self.cache.add(3)
self.assertNotIn(1, self.cache)
self.assertIn(2, self.cache)
self.assertIn(3, self.cache)
time.sleep(0.5)
self.assertNotIn(2, self.cache)
self.assertIn(3, 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, key):
with self.cache._lock:
_, expiration_time = self.cache._cache[key]
return self.cache._is_expired(expiration_time, time.time())
def test_executor(self):
self.cache.add(1)
self.assertEqual([1], sorted(self.cache._cache.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._cache.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._cache.keys()))
self.assertTrue(self._is_expired(1))
else:
self.assertEqual([2, 3], sorted(self.cache._cache.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._cache.keys()))
self.assertFalse(self._is_expired(3))
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