stacktach/tests/unit/test_worker.py
2014-03-28 11:47:16 -03:00

260 lines
11 KiB
Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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 json
import kombu
import mox
from stacktach import db, stacklog
from stacktach import views
import worker.worker as worker
from tests.unit import StacktachBaseTestCase
class ConsumerTestCase(StacktachBaseTestCase):
def setUp(self):
self.mox = mox.Mox()
def tearDown(self):
self.mox.UnsetStubs()
def _setup_mock_logger(self):
mock_logger = self.mox.CreateMockAnything()
self.mox.StubOutWithMock(stacklog, 'get_logger')
stacklog.get_logger('worker', is_parent=False).AndReturn(mock_logger)
return mock_logger
def _test_topics(self):
return [
dict(queue="queue1", routing_key="monitor.info"),
dict(queue="queue2", routing_key="monitor.error")
]
def test_get_consumers(self):
created_queues = []
created_callbacks = []
created_consumers = []
def Consumer(queues=None, callbacks=None):
created_queues.extend(queues)
created_callbacks.extend(callbacks)
consumer = self.mox.CreateMockAnything()
created_consumers.append(consumer)
return consumer
self.mox.StubOutWithMock(worker.Consumer, '_create_exchange')
self.mox.StubOutWithMock(worker.Consumer, '_create_queue')
consumer = worker.Consumer('test', None, None, True, {}, "nova",
self._test_topics())
exchange = self.mox.CreateMockAnything()
consumer._create_exchange('nova', 'topic').AndReturn(exchange)
info_queue = self.mox.CreateMockAnything()
error_queue = self.mox.CreateMockAnything()
consumer._create_queue('queue1', exchange, 'monitor.info')\
.AndReturn(info_queue)
consumer._create_queue('queue2', exchange, 'monitor.error')\
.AndReturn(error_queue)
self.mox.ReplayAll()
consumers = consumer.get_consumers(Consumer, None)
self.assertEqual(len(consumers), 1)
self.assertEqual(consumers[0], created_consumers[0])
self.assertEqual(len(created_queues), 2)
self.assertTrue(info_queue in created_queues)
self.assertTrue(error_queue in created_queues)
self.assertEqual(len(created_callbacks), 1)
self.assertTrue(consumer.on_nova in created_callbacks)
self.mox.VerifyAll()
def test_create_exchange(self):
args = {'key': 'value'}
consumer = worker.Consumer('test', None, None, True, args, 'nova',
self._test_topics())
self.mox.StubOutClassWithMocks(kombu.entity, 'Exchange')
exchange = kombu.entity.Exchange('nova', type='topic', exclusive=False,
durable=True, auto_delete=False)
self.mox.ReplayAll()
actual_exchange = consumer._create_exchange('nova', 'topic')
self.assertEqual(actual_exchange, exchange)
self.mox.VerifyAll()
def test_create_queue(self):
self.mox.StubOutClassWithMocks(kombu, 'Queue')
exchange = self.mox.CreateMockAnything()
queue = kombu.Queue('name', exchange, auto_delete=False, durable=True,
exclusive=False, routing_key='routing.key',
queue_arguments={})
consumer = worker.Consumer('test', None, None, True, {}, 'nova',
self._test_topics())
self.mox.ReplayAll()
actual_queue = consumer._create_queue('name', exchange, 'routing.key',
exclusive=False,
auto_delete=False)
self.assertEqual(actual_queue, queue)
self.mox.VerifyAll()
def test_create_queue_with_queue_args(self):
self.mox.StubOutClassWithMocks(kombu, 'Queue')
exchange = self.mox.CreateMockAnything()
queue_args = {'key': 'value'}
queue = kombu.Queue('name', exchange, auto_delete=False, durable=True,
exclusive=False, routing_key='routing.key',
queue_arguments=queue_args)
consumer = worker.Consumer('test', None, None, True, queue_args,
'nova', self._test_topics())
self.mox.ReplayAll()
actual_queue = consumer._create_queue('name', exchange, 'routing.key',
exclusive=False,
auto_delete=False)
self.assertEqual(actual_queue, queue)
self.mox.VerifyAll()
def test_process(self):
deployment = self.mox.CreateMockAnything()
raw = self.mox.CreateMockAnything()
raw.get_name().AndReturn('RawData')
message = self.mox.CreateMockAnything()
exchange = 'nova'
consumer = worker.Consumer('test', None, deployment, True, {},
exchange, self._test_topics())
routing_key = 'monitor.info'
message.delivery_info = {'routing_key': routing_key}
body_dict = {u'key': u'value'}
message.body = json.dumps(body_dict)
mock_notification = self.mox.CreateMockAnything()
mock_post_process_method = self.mox.CreateMockAnything()
mock_post_process_method(raw, mock_notification)
old_handler = worker.POST_PROCESS_METHODS
worker.POST_PROCESS_METHODS["RawData"] = mock_post_process_method
self.mox.StubOutWithMock(views, 'process_raw_data',
use_mock_anything=True)
args = (routing_key, body_dict)
views.process_raw_data(deployment, args, json.dumps(args), exchange) \
.AndReturn((raw, mock_notification))
message.ack()
self.mox.StubOutWithMock(consumer, '_check_memory',
use_mock_anything=True)
consumer._check_memory()
self.mox.ReplayAll()
consumer._process(message)
self.assertEqual(consumer.processed, 1)
self.mox.VerifyAll()
worker.POST_PROCESS_METHODS["RawData"] = old_handler
def test_run(self):
mock_logger = self._setup_mock_logger()
self.mox.StubOutWithMock(mock_logger, 'info')
mock_logger.info('east_coast.prod.global: nova 10.0.0.1 5672 rabbit /')
self.mox.StubOutWithMock(mock_logger, 'debug')
mock_logger.debug("Processing on 'east_coast.prod.global nova'")
mock_logger.debug("Completed processing on "
"'east_coast.prod.global nova'")
mock_logger.info("Worker exiting.")
config = {
'name': 'east_coast.prod.global',
'durable_queue': False,
'rabbit_host': '10.0.0.1',
'rabbit_port': 5672,
'rabbit_userid': 'rabbit',
'rabbit_password': 'rabbit',
'rabbit_virtual_host': '/',
"services": ["nova"],
"topics": {"nova": self._test_topics()}
}
self.mox.StubOutWithMock(db, 'get_deployment')
deployment = self.mox.CreateMockAnything()
deployment.id = 1
db.get_deployment(deployment.id).AndReturn(deployment)
self.mox.StubOutWithMock(kombu.connection, 'BrokerConnection')
params = dict(hostname=config['rabbit_host'],
port=config['rabbit_port'],
userid=config['rabbit_userid'],
password=config['rabbit_password'],
transport="librabbitmq",
virtual_host=config['rabbit_virtual_host'])
self.mox.StubOutWithMock(worker, "continue_running")
worker.continue_running().AndReturn(True)
conn = self.mox.CreateMockAnything()
kombu.connection.BrokerConnection(**params).AndReturn(conn)
conn.__enter__().AndReturn(conn)
conn.__exit__(None, None, None).AndReturn(None)
self.mox.StubOutClassWithMocks(worker, 'Consumer')
exchange = 'nova'
consumer = worker.Consumer(config['name'], conn, deployment,
config['durable_queue'], {}, exchange,
self._test_topics())
consumer.run()
worker.continue_running().AndReturn(False)
self.mox.ReplayAll()
worker.run(config, deployment.id, exchange)
self.mox.VerifyAll()
def test_run_queue_args(self):
mock_logger = self._setup_mock_logger()
self.mox.StubOutWithMock(mock_logger, 'info')
mock_logger.info("east_coast.prod.global: nova 10.0.0.1 5672 rabbit /")
self.mox.StubOutWithMock(mock_logger, 'debug')
mock_logger.debug("Processing on 'east_coast.prod.global nova'")
mock_logger.debug("Completed processing on "
"'east_coast.prod.global nova'")
mock_logger.info("Worker exiting.")
config = {
'name': 'east_coast.prod.global',
'durable_queue': False,
'rabbit_host': '10.0.0.1',
'rabbit_port': 5672,
'rabbit_userid': 'rabbit',
'rabbit_password': 'rabbit',
'rabbit_virtual_host': '/',
'queue_arguments': {'x-ha-policy': 'all'},
'queue_name_prefix': "test_name_",
"services": ["nova"],
"topics": {"nova": self._test_topics()}
}
self.mox.StubOutWithMock(db, 'get_deployment')
deployment = self.mox.CreateMockAnything()
deployment.id = 1
db.get_deployment(deployment.id).AndReturn(deployment)
self.mox.StubOutWithMock(kombu.connection, 'BrokerConnection')
params = dict(hostname=config['rabbit_host'],
port=config['rabbit_port'],
userid=config['rabbit_userid'],
password=config['rabbit_password'],
transport="librabbitmq",
virtual_host=config['rabbit_virtual_host'])
self.mox.StubOutWithMock(worker, "continue_running")
worker.continue_running().AndReturn(True)
conn = self.mox.CreateMockAnything()
kombu.connection.BrokerConnection(**params).AndReturn(conn)
conn.__enter__().AndReturn(conn)
conn.__exit__(None, None, None).AndReturn(None)
self.mox.StubOutClassWithMocks(worker, 'Consumer')
exchange = 'nova'
consumer = worker.Consumer(config['name'], conn, deployment,
config['durable_queue'],
config['queue_arguments'], exchange,
self._test_topics())
consumer.run()
worker.continue_running().AndReturn(False)
self.mox.ReplayAll()
worker.run(config, deployment.id, exchange)
self.mox.VerifyAll()