/usr/lib/python2.7/dist-packages/oslo_messaging/tests/drivers/zmq/test_zmq_ack_manager.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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 | # 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 mock
import testtools
import oslo_messaging
from oslo_messaging._drivers.zmq_driver.client import zmq_receivers
from oslo_messaging._drivers.zmq_driver.client import zmq_senders
from oslo_messaging._drivers.zmq_driver.proxy import zmq_proxy
from oslo_messaging._drivers.zmq_driver.proxy import zmq_queue_proxy
from oslo_messaging._drivers.zmq_driver.server import zmq_incoming_message
from oslo_messaging._drivers.zmq_driver import zmq_async
from oslo_messaging._drivers.zmq_driver import zmq_options
from oslo_messaging.tests.drivers.zmq import zmq_common
from oslo_messaging.tests import utils as test_utils
zmq = zmq_async.import_zmq()
class TestZmqAckManager(test_utils.BaseTestCase):
@testtools.skipIf(zmq is None, "zmq not available")
def setUp(self):
super(TestZmqAckManager, self).setUp()
self.messaging_conf.transport_driver = 'zmq'
zmq_options.register_opts(self.conf)
# set config opts
kwargs = {'rpc_zmq_matchmaker': 'dummy',
'use_pub_sub': False,
'use_router_proxy': True,
'rpc_thread_pool_size': 1,
'rpc_use_acks': True,
'rpc_ack_timeout_base': 3,
'rpc_ack_timeout_multiplier': 1,
'rpc_retry_attempts': 2}
self.config(group='oslo_messaging_zmq', **kwargs)
self.conf.register_opts(zmq_proxy.zmq_proxy_opts,
group='zmq_proxy_opts')
# mock set_result method of futures
self.set_result_patcher = mock.patch.object(
zmq_receivers.futurist.Future, 'set_result',
side_effect=zmq_receivers.futurist.Future.set_result, autospec=True
)
self.set_result = self.set_result_patcher.start()
# mock send method of senders
self.send_patcher = mock.patch.object(
zmq_senders.RequestSenderProxy, 'send',
side_effect=zmq_senders.RequestSenderProxy.send, autospec=True
)
self.send = self.send_patcher.start()
# get driver
transport = oslo_messaging.get_transport(self.conf)
self.driver = transport._driver
# get ack manager
self.ack_manager = self.driver.client.get().publishers['default']
# prepare and launch proxy
self.proxy = zmq_proxy.ZmqProxy(self.conf,
zmq_queue_proxy.UniversalQueueProxy)
vars(self.driver.matchmaker).update(vars(self.proxy.matchmaker))
self.executor = zmq_async.get_executor(self.proxy.run)
self.executor.execute()
# create listener
self.listener = zmq_common.TestServerListener(self.driver)
# create target and message
self.target = oslo_messaging.Target(topic='topic', server='server')
self.message = {'method': 'xyz', 'args': {'x': 1, 'y': 2, 'z': 3}}
self.addCleanup(
zmq_common.StopRpc(
self, [('listener', 'stop'), ('executor', 'stop'),
('proxy', 'close'), ('driver', 'cleanup'),
('send_patcher', 'stop'),
('set_result_patcher', 'stop')]
)
)
@mock.patch.object(
zmq_incoming_message.ZmqIncomingMessage, 'acknowledge',
side_effect=zmq_incoming_message.ZmqIncomingMessage.acknowledge,
autospec=True
)
def test_cast_success_without_retries(self, received_ack_mock):
self.listener.listen(self.target)
result = self.driver.send(
self.target, {}, self.message, wait_for_reply=False
)
self.ack_manager._pool.shutdown(wait=True)
self.assertIsNone(result)
self.assertTrue(self.listener._received.isSet())
self.assertEqual(self.message, self.listener.message.message)
self.assertEqual(1, self.send.call_count)
self.assertEqual(1, received_ack_mock.call_count)
self.assertEqual(2, self.set_result.call_count)
def test_cast_success_with_one_retry(self):
self.listener.listen(self.target)
with mock.patch.object(zmq_incoming_message.ZmqIncomingMessage,
'acknowledge') as lost_ack_mock:
result = self.driver.send(
self.target, {}, self.message, wait_for_reply=False
)
self.listener._received.wait(3)
self.assertIsNone(result)
self.assertTrue(self.listener._received.isSet())
self.assertEqual(self.message, self.listener.message.message)
self.assertEqual(1, self.send.call_count)
self.assertEqual(1, lost_ack_mock.call_count)
self.assertEqual(0, self.set_result.call_count)
with mock.patch.object(
zmq_incoming_message.ZmqIncomingMessage, 'acknowledge',
side_effect=zmq_incoming_message.ZmqIncomingMessage.acknowledge,
autospec=True
) as received_ack_mock:
self.listener._received.clear()
self.ack_manager._pool.shutdown(wait=True)
self.listener._received.wait(3)
self.assertFalse(self.listener._received.isSet())
self.assertEqual(2, self.send.call_count)
self.assertEqual(1, received_ack_mock.call_count)
self.assertEqual(2, self.set_result.call_count)
def test_cast_success_with_two_retries(self):
self.listener.listen(self.target)
with mock.patch.object(zmq_incoming_message.ZmqIncomingMessage,
'acknowledge') as lost_ack_mock:
result = self.driver.send(
self.target, {}, self.message, wait_for_reply=False
)
self.listener._received.wait(3)
self.assertIsNone(result)
self.assertTrue(self.listener._received.isSet())
self.assertEqual(self.message, self.listener.message.message)
self.assertEqual(1, self.send.call_count)
self.assertEqual(1, lost_ack_mock.call_count)
self.assertEqual(0, self.set_result.call_count)
self.listener._received.clear()
self.listener._received.wait(4.5)
self.assertFalse(self.listener._received.isSet())
self.assertEqual(2, self.send.call_count)
self.assertEqual(2, lost_ack_mock.call_count)
self.assertEqual(0, self.set_result.call_count)
with mock.patch.object(
zmq_incoming_message.ZmqIncomingMessage, 'acknowledge',
side_effect=zmq_incoming_message.ZmqIncomingMessage.acknowledge,
autospec=True
) as received_ack_mock:
self.ack_manager._pool.shutdown(wait=True)
self.assertFalse(self.listener._received.isSet())
self.assertEqual(3, self.send.call_count)
self.assertEqual(1, received_ack_mock.call_count)
self.assertEqual(2, self.set_result.call_count)
@mock.patch.object(zmq_incoming_message.ZmqIncomingMessage, 'acknowledge')
def test_cast_failure_exhausted_retries(self, lost_ack_mock):
self.listener.listen(self.target)
result = self.driver.send(
self.target, {}, self.message, wait_for_reply=False
)
self.ack_manager._pool.shutdown(wait=True)
self.assertIsNone(result)
self.assertTrue(self.listener._received.isSet())
self.assertEqual(self.message, self.listener.message.message)
self.assertEqual(3, self.send.call_count)
self.assertEqual(3, lost_ack_mock.call_count)
self.assertEqual(1, self.set_result.call_count)
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