oslo.messaging/oslo_messaging/tests/drivers/pika/test_poller.py

483 lines
16 KiB
Python

# Copyright 2015 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 threading
import time
import unittest
from concurrent import futures
from six.moves import mock
from oslo_messaging._drivers.pika_driver import pika_exceptions as pika_drv_exc
from oslo_messaging._drivers.pika_driver import pika_poller
class PikaPollerTestCase(unittest.TestCase):
def setUp(self):
self._pika_engine = mock.Mock()
self._poller_connection_mock = mock.Mock()
self._poller_channel_mock = mock.Mock()
self._poller_connection_mock.channel.return_value = (
self._poller_channel_mock
)
self._pika_engine.create_connection.return_value = (
self._poller_connection_mock
)
self._executor = futures.ThreadPoolExecutor(1)
def timer_task(timeout, callback):
time.sleep(timeout)
callback()
self._poller_connection_mock.add_timeout.side_effect = (
lambda *args: self._executor.submit(timer_task, *args)
)
self._prefetch_count = 123
@mock.patch("oslo_messaging._drivers.pika_driver.pika_poller.PikaPoller."
"_declare_queue_binding")
def test_start(self, declare_queue_binding_mock):
poller = pika_poller.PikaPoller(
self._pika_engine, 1, None, self._prefetch_count, None
)
poller.start(None)
self.assertTrue(self._pika_engine.create_connection.called)
self.assertTrue(self._poller_connection_mock.channel.called)
self.assertTrue(declare_queue_binding_mock.called)
def test_start_when_connection_unavailable(self):
poller = pika_poller.PikaPoller(
self._pika_engine, 1, None, self._prefetch_count, None
)
self._pika_engine.create_connection.side_effect = (
pika_drv_exc.EstablishConnectionException
)
# start() should not raise socket.timeout exception
poller.start(None)
# stop is needed to stop reconnection background job
poller.stop()
@mock.patch("oslo_messaging._drivers.pika_driver.pika_poller.PikaPoller."
"_declare_queue_binding")
def test_message_processing(self, declare_queue_binding_mock):
res = []
def on_incoming_callback(incoming):
res.append(incoming)
incoming_message_class_mock = mock.Mock()
poller = pika_poller.PikaPoller(
self._pika_engine, 1, None, self._prefetch_count,
incoming_message_class=incoming_message_class_mock
)
unused = object()
method = object()
properties = object()
body = object()
poller.start(on_incoming_callback)
poller._on_message_with_ack_callback(
unused, method, properties, body
)
self.assertEqual(1, len(res))
self.assertEqual([incoming_message_class_mock.return_value], res[0])
incoming_message_class_mock.assert_called_once_with(
self._pika_engine, self._poller_channel_mock, method, properties,
body
)
self.assertTrue(self._pika_engine.create_connection.called)
self.assertTrue(self._poller_connection_mock.channel.called)
self.assertTrue(declare_queue_binding_mock.called)
@mock.patch("oslo_messaging._drivers.pika_driver.pika_poller.PikaPoller."
"_declare_queue_binding")
def test_message_processing_batch(self, declare_queue_binding_mock):
incoming_message_class_mock = mock.Mock()
n = 10
params = []
res = []
def on_incoming_callback(incoming):
res.append(incoming)
poller = pika_poller.PikaPoller(
self._pika_engine, n, None, self._prefetch_count,
incoming_message_class=incoming_message_class_mock
)
for i in range(n):
params.append((object(), object(), object(), object()))
poller.start(on_incoming_callback)
for i in range(n):
poller._on_message_with_ack_callback(
*params[i]
)
self.assertEqual(1, len(res))
self.assertEqual(10, len(res[0]))
self.assertEqual(n, incoming_message_class_mock.call_count)
for i in range(n):
self.assertEqual(incoming_message_class_mock.return_value,
res[0][i])
self.assertEqual(
(self._pika_engine, self._poller_channel_mock) + params[i][1:],
incoming_message_class_mock.call_args_list[i][0]
)
self.assertTrue(self._pika_engine.create_connection.called)
self.assertTrue(self._poller_connection_mock.channel.called)
self.assertTrue(declare_queue_binding_mock.called)
@mock.patch("oslo_messaging._drivers.pika_driver.pika_poller.PikaPoller."
"_declare_queue_binding")
def test_message_processing_batch_with_timeout(self,
declare_queue_binding_mock):
incoming_message_class_mock = mock.Mock()
n = 10
timeout = 1
res = []
evt = threading.Event()
def on_incoming_callback(incoming):
res.append(incoming)
evt.set()
poller = pika_poller.PikaPoller(
self._pika_engine, n, timeout, self._prefetch_count,
incoming_message_class=incoming_message_class_mock
)
params = []
success_count = 5
poller.start(on_incoming_callback)
for i in range(n):
params.append((object(), object(), object(), object()))
for i in range(success_count):
poller._on_message_with_ack_callback(
*params[i]
)
self.assertTrue(evt.wait(timeout * 2))
self.assertEqual(1, len(res))
self.assertEqual(success_count, len(res[0]))
self.assertEqual(success_count, incoming_message_class_mock.call_count)
for i in range(success_count):
self.assertEqual(incoming_message_class_mock.return_value,
res[0][i])
self.assertEqual(
(self._pika_engine, self._poller_channel_mock) + params[i][1:],
incoming_message_class_mock.call_args_list[i][0]
)
self.assertTrue(self._pika_engine.create_connection.called)
self.assertTrue(self._poller_connection_mock.channel.called)
self.assertTrue(declare_queue_binding_mock.called)
class RpcServicePikaPollerTestCase(unittest.TestCase):
def setUp(self):
self._pika_engine = mock.Mock()
self._poller_connection_mock = mock.Mock()
self._poller_channel_mock = mock.Mock()
self._poller_connection_mock.channel.return_value = (
self._poller_channel_mock
)
self._pika_engine.create_connection.return_value = (
self._poller_connection_mock
)
self._pika_engine.get_rpc_queue_name.side_effect = (
lambda topic, server, no_ack, worker=False:
"_".join([topic, str(server), str(no_ack), str(worker)])
)
self._pika_engine.get_rpc_exchange_name.side_effect = (
lambda exchange: exchange
)
self._prefetch_count = 123
self._target = mock.Mock(exchange="exchange", topic="topic",
server="server")
self._pika_engine.rpc_queue_expiration = 12345
@mock.patch("oslo_messaging._drivers.pika_driver.pika_message."
"RpcPikaIncomingMessage")
def test_declare_rpc_queue_bindings(self, rpc_pika_incoming_message_mock):
poller = pika_poller.RpcServicePikaPoller(
self._pika_engine, self._target, 1, None,
self._prefetch_count
)
poller.start(None)
self.assertTrue(self._pika_engine.create_connection.called)
self.assertTrue(self._poller_connection_mock.channel.called)
declare_queue_binding_by_channel_mock = (
self._pika_engine.declare_queue_binding_by_channel
)
self.assertEqual(
6, declare_queue_binding_by_channel_mock.call_count
)
declare_queue_binding_by_channel_mock.assert_has_calls((
mock.call(
channel=self._poller_channel_mock, durable=False,
exchange="exchange",
exchange_type='direct',
queue="topic_None_True_False",
queue_expiration=12345,
routing_key="topic_None_True_False"
),
mock.call(
channel=self._poller_channel_mock, durable=False,
exchange="exchange",
exchange_type='direct',
queue="topic_server_True_False",
queue_expiration=12345,
routing_key="topic_server_True_False"
),
mock.call(
channel=self._poller_channel_mock, durable=False,
exchange="exchange",
exchange_type='direct',
queue="topic_server_True_True",
queue_expiration=12345,
routing_key="topic_all_workers_True_False"
),
mock.call(
channel=self._poller_channel_mock, durable=False,
exchange="exchange",
exchange_type='direct',
queue="topic_None_False_False",
queue_expiration=12345,
routing_key="topic_None_False_False"
),
mock.call(
channel=self._poller_channel_mock, durable=False,
exchange="exchange",
exchange_type='direct',
queue="topic_server_False_False",
queue_expiration=12345,
routing_key='topic_server_False_False'
),
mock.call(
channel=self._poller_channel_mock, durable=False,
exchange="exchange",
exchange_type='direct',
queue="topic_server_False_True",
queue_expiration=12345,
routing_key='topic_all_workers_False_False'
)
))
class RpcReplyServicePikaPollerTestCase(unittest.TestCase):
def setUp(self):
self._pika_engine = mock.Mock()
self._poller_connection_mock = mock.Mock()
self._poller_channel_mock = mock.Mock()
self._poller_connection_mock.channel.return_value = (
self._poller_channel_mock
)
self._pika_engine.create_connection.return_value = (
self._poller_connection_mock
)
self._prefetch_count = 123
self._exchange = "rpc_reply_exchange"
self._queue = "rpc_reply_queue"
self._pika_engine.rpc_reply_retry_delay = 12132543456
self._pika_engine.rpc_queue_expiration = 12345
self._pika_engine.rpc_reply_retry_attempts = 3
def test_declare_rpc_reply_queue_binding(self):
poller = pika_poller.RpcReplyPikaPoller(
self._pika_engine, self._exchange, self._queue, 1, None,
self._prefetch_count,
)
poller.start(None)
poller.stop()
declare_queue_binding_by_channel_mock = (
self._pika_engine.declare_queue_binding_by_channel
)
self.assertEqual(
1, declare_queue_binding_by_channel_mock.call_count
)
declare_queue_binding_by_channel_mock.assert_called_once_with(
channel=self._poller_channel_mock, durable=False,
exchange='rpc_reply_exchange', exchange_type='direct',
queue='rpc_reply_queue', queue_expiration=12345,
routing_key='rpc_reply_queue'
)
class NotificationPikaPollerTestCase(unittest.TestCase):
def setUp(self):
self._pika_engine = mock.Mock()
self._poller_connection_mock = mock.Mock()
self._poller_channel_mock = mock.Mock()
self._poller_connection_mock.channel.return_value = (
self._poller_channel_mock
)
self._pika_engine.create_connection.return_value = (
self._poller_connection_mock
)
self._prefetch_count = 123
self._target_and_priorities = (
(
mock.Mock(exchange="exchange1", topic="topic1",
server="server1"), 1
),
(
mock.Mock(exchange="exchange1", topic="topic1"), 2
),
(
mock.Mock(exchange="exchange2", topic="topic2",), 1
),
)
self._pika_engine.notification_persistence = object()
def test_declare_notification_queue_bindings_default_queue(self):
poller = pika_poller.NotificationPikaPoller(
self._pika_engine, self._target_and_priorities, 1, None,
self._prefetch_count, None
)
poller.start(None)
self.assertTrue(self._pika_engine.create_connection.called)
self.assertTrue(self._poller_connection_mock.channel.called)
declare_queue_binding_by_channel_mock = (
self._pika_engine.declare_queue_binding_by_channel
)
self.assertEqual(
3, declare_queue_binding_by_channel_mock.call_count
)
declare_queue_binding_by_channel_mock.assert_has_calls((
mock.call(
channel=self._poller_channel_mock,
durable=self._pika_engine.notification_persistence,
exchange="exchange1",
exchange_type='direct',
queue="topic1.1",
queue_expiration=None,
routing_key="topic1.1"
),
mock.call(
channel=self._poller_channel_mock,
durable=self._pika_engine.notification_persistence,
exchange="exchange1",
exchange_type='direct',
queue="topic1.2",
queue_expiration=None,
routing_key="topic1.2"
),
mock.call(
channel=self._poller_channel_mock,
durable=self._pika_engine.notification_persistence,
exchange="exchange2",
exchange_type='direct',
queue="topic2.1",
queue_expiration=None,
routing_key="topic2.1"
)
))
def test_declare_notification_queue_bindings_custom_queue(self):
poller = pika_poller.NotificationPikaPoller(
self._pika_engine, self._target_and_priorities, 1, None,
self._prefetch_count, "custom_queue_name"
)
poller.start(None)
self.assertTrue(self._pika_engine.create_connection.called)
self.assertTrue(self._poller_connection_mock.channel.called)
declare_queue_binding_by_channel_mock = (
self._pika_engine.declare_queue_binding_by_channel
)
self.assertEqual(
3, declare_queue_binding_by_channel_mock.call_count
)
declare_queue_binding_by_channel_mock.assert_has_calls((
mock.call(
channel=self._poller_channel_mock,
durable=self._pika_engine.notification_persistence,
exchange="exchange1",
exchange_type='direct',
queue="custom_queue_name",
queue_expiration=None,
routing_key="topic1.1"
),
mock.call(
channel=self._poller_channel_mock,
durable=self._pika_engine.notification_persistence,
exchange="exchange1",
exchange_type='direct',
queue="custom_queue_name",
queue_expiration=None,
routing_key="topic1.2"
),
mock.call(
channel=self._poller_channel_mock,
durable=self._pika_engine.notification_persistence,
exchange="exchange2",
exchange_type='direct',
queue="custom_queue_name",
queue_expiration=None,
routing_key="topic2.1"
)
))