Adds unit test cases to impl_qpid

Change-Id: I0c056efd9fb8b48d02a11dfb969ee98b736ba017
Closes-Bug: #1255239
changes/53/75853/4
Numan Siddique 9 years ago
parent 35f6d588a3
commit c872f8d670
  1. 1
      test-requirements.txt
  2. 667
      tests/test_qpid.py

@ -22,3 +22,4 @@ coverage>=3.6
# this is required for the docs build jobs
sphinx>=1.1.2,<1.2
oslosphinx
qpid-python

@ -0,0 +1,667 @@
# Copyright (C) 2014 eNovance SAS <licensing@enovance.com>
#
# 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 random
import thread
import threading
import time
import qpid
import testscenarios
from oslo.config import cfg
from oslo import messaging
from oslo.messaging._drivers import impl_qpid as qpid_driver
from tests import utils as test_utils
load_tests = testscenarios.load_tests_apply_scenarios
QPID_BROKER = 'localhost:5672'
class TestQpidDriverLoad(test_utils.BaseTestCase):
def setUp(self):
super(TestQpidDriverLoad, self).setUp()
self.messaging_conf.transport_driver = 'qpid'
def test_driver_load(self):
transport = messaging.get_transport(self.conf)
self.assertIsInstance(transport._driver, qpid_driver.QpidDriver)
def _is_qpidd_service_running():
"""this function checks if the qpid service is running or not."""
qpid_running = True
try:
broker = QPID_BROKER
connection = qpid.messaging.Connection(broker)
connection.open()
except Exception:
# qpid service is not runnung.
qpid_running = False
else:
connection.close()
return qpid_running
class TestQpidInvalidTopologyVersion(test_utils.BaseTestCase):
"""Unit test cases to test invalid qpid topology version."""
scenarios = [
('direct', dict(consumer_cls=qpid_driver.DirectConsumer,
publisher_cls=qpid_driver.DirectPublisher)),
('topic', dict(consumer_cls=qpid_driver.TopicConsumer,
publisher_cls=qpid_driver.TopicPublisher)),
('fanout', dict(consumer_cls=qpid_driver.FanoutConsumer,
publisher_cls=qpid_driver.FanoutPublisher)),
]
def setUp(self):
super(TestQpidInvalidTopologyVersion, self).setUp()
self.qpid_opts = [
cfg.BoolOpt('amqp_durable_queues',
default=False,
deprecated_name='rabbit_durable_queues',
deprecated_group='DEFAULT',
help='Use durable queues in amqp.'),
cfg.BoolOpt('amqp_auto_delete',
default=False,
help='Auto-delete queues in amqp.'),
cfg.IntOpt('qpid_topology_version',
default=-1,
help='qpid topology version'),
cfg.StrOpt('control_exchange',
default='openstack',
help='AMQP exchange to connect to if using Qpid'),
]
self.qpid_conf = cfg.ConfigOpts()
self.qpid_conf.register_opts(self.qpid_opts)
self.fake_qpid = not _is_qpidd_service_running()
if self.fake_qpid:
self.session = get_fake_qpid_session()
else:
self.broker = QPID_BROKER
# create connection from the qpid.messaging
self.connection = qpid.messaging.Connection(self.broker)
self.connection.open()
self.session = self.connection.session()
def tearDown(self):
self.qpid_conf.unregister_opts(self.qpid_opts)
super(TestQpidInvalidTopologyVersion, self).tearDown()
if self.fake_qpid:
_fake_session.flush_exchanges()
else:
self.connection.close()
def test_invalid_topology_version(self):
def consumer_callback(msg):
pass
msgid_or_topic = 'test'
# not using self.assertRaises because
# 1. qpid driver raises Exception(msg) for invalid topology version
# 2. flake8 - H202 assertRaises Exception too broad
exception_msg = ("Invalid value for qpid_topology_version: %d" %
self.qpid_conf.qpid_topology_version)
recvd_exc_msg = ''
try:
self.consumer_cls(self.qpid_conf, self.session, msgid_or_topic,
consumer_callback)
except Exception as e:
recvd_exc_msg = e.message
self.assertEqual(exception_msg, recvd_exc_msg)
recvd_exc_msg = ''
try:
self.publisher_cls(self.qpid_conf, self.session, msgid_or_topic)
except Exception as e:
recvd_exc_msg = e.message
self.assertEqual(exception_msg, recvd_exc_msg)
class TestQpidDirectConsumerPublisher(test_utils.BaseTestCase):
"""Unit test cases to test DirectConsumer and Direct Publisher."""
_n_qpid_topology = [
('v1', dict(qpid_topology=1)),
('v2', dict(qpid_topology=2)),
]
_n_msgs = [
('single', dict(no_msgs=1)),
('multiple', dict(no_msgs=10)),
]
@classmethod
def generate_scenarios(cls):
cls.scenarios = testscenarios.multiply_scenarios(cls._n_qpid_topology,
cls._n_msgs)
def setUp(self):
super(TestQpidDirectConsumerPublisher, self).setUp()
self.qpid_opts = [
cfg.BoolOpt('amqp_durable_queues',
default=False,
deprecated_name='rabbit_durable_queues',
deprecated_group='DEFAULT',
help='Use durable queues in amqp.'),
cfg.BoolOpt('amqp_auto_delete',
default=False,
help='Auto-delete queues in amqp.'),
cfg.IntOpt('qpid_topology_version',
default=self.qpid_topology,
help='qpid topology version'),
]
self.qpid_conf = cfg.ConfigOpts()
self.qpid_conf.register_opts(self.qpid_opts)
self.fake_qpid = not _is_qpidd_service_running()
if self.fake_qpid:
self.session_receive = get_fake_qpid_session()
self.session_send = get_fake_qpid_session()
else:
self.broker = QPID_BROKER
# create connection from the qpid.messaging
# connection for the Consumer.
self.con_receive = qpid.messaging.Connection(self.broker)
self.con_receive.open()
# session to receive the messages
self.session_receive = self.con_receive.session()
# connection for sending the message
self.con_send = qpid.messaging.Connection(self.broker)
self.con_send.open()
# session to send the messages
self.session_send = self.con_send.session()
# list to store the expected messages and
# the actual received messages
self._expected = []
self._messages = []
def tearDown(self):
self.qpid_conf.unregister_opts(self.qpid_opts)
super(TestQpidDirectConsumerPublisher, self).tearDown()
if self.fake_qpid:
_fake_session.flush_exchanges()
else:
self.con_receive.close()
self.con_send.close()
def consumer_callback(self, msg):
# This function will be called by the DirectConsumer
# when any message is received.
# Append the received message into the messages list
# so that the received messages can be validated
# with the expected messages
if isinstance(msg, dict):
self._messages.append(msg['content'])
else:
self._messages.append(msg)
def test_qpid_direct_consumer_producer(self):
self.msgid = str(random.randint(1, 100))
# create a DirectConsumer and DirectPublisher class objects
self.dir_cons = qpid_driver.DirectConsumer(self.qpid_conf,
self.session_receive,
self.msgid,
self.consumer_callback)
self.dir_pub = qpid_driver.DirectPublisher(self.qpid_conf,
self.session_send,
self.msgid)
def try_send_msg(no_msgs):
for i in range(no_msgs):
self._expected.append(str(i))
snd_msg = {'content_type': 'text/plain', 'content': str(i)}
self.dir_pub.send(snd_msg)
def try_receive_msg(no_msgs):
for i in range(no_msgs):
self.dir_cons.consume()
thread1 = threading.Thread(target=try_receive_msg,
args=(self.no_msgs,))
thread2 = threading.Thread(target=try_send_msg,
args=(self.no_msgs,))
thread1.start()
thread2.start()
thread1.join()
thread2.join()
self.assertEqual(len(self._messages), self.no_msgs)
self.assertEqual(self._messages, self._expected)
TestQpidDirectConsumerPublisher.generate_scenarios()
class TestQpidTopicAndFanout(test_utils.BaseTestCase):
"""Unit Test cases to test TopicConsumer and
TopicPublisher classes of the qpid driver
and FanoutConsumer and FanoutPublisher classes
of the qpid driver
"""
_n_qpid_topology = [
('v1', dict(qpid_topology=1)),
('v2', dict(qpid_topology=2)),
]
_n_msgs = [
('single', dict(no_msgs=1)),
('multiple', dict(no_msgs=10)),
]
_n_senders = [
('single', dict(no_senders=1)),
('multiple', dict(no_senders=10)),
]
_n_receivers = [
('single', dict(no_receivers=1)),
]
_exchange_class = [
('topic', dict(consumer_cls=qpid_driver.TopicConsumer,
publisher_cls=qpid_driver.TopicPublisher,
topic='topictest.test',
receive_topic='topictest.test')),
('fanout', dict(consumer_cls=qpid_driver.FanoutConsumer,
publisher_cls=qpid_driver.FanoutPublisher,
topic='fanouttest',
receive_topic='fanouttest')),
]
@classmethod
def generate_scenarios(cls):
cls.scenarios = testscenarios.multiply_scenarios(cls._n_qpid_topology,
cls._n_msgs,
cls._n_senders,
cls._n_receivers,
cls._exchange_class)
def setUp(self):
self.qpid_opts = [
cfg.BoolOpt('amqp_durable_queues',
default=False,
deprecated_name='rabbit_durable_queues',
deprecated_group='DEFAULT',
help='Use durable queues in amqp.'),
cfg.BoolOpt('amqp_auto_delete',
default=False,
help='Auto-delete queues in amqp.'),
cfg.IntOpt('qpid_topology_version',
default=self.qpid_topology,
help='qpid topology version'),
cfg.StrOpt('control_exchange',
default='openstack',
help='AMQP exchange to connect to if using Qpid'),
]
super(TestQpidTopicAndFanout, self).setUp()
self.qpid_conf = cfg.ConfigOpts()
self.qpid_conf.register_opts(self.qpid_opts)
self._fake_qpid = not _is_qpidd_service_running()
if self._fake_qpid:
self.session_receive = get_fake_qpid_session()
self.session_send = get_fake_qpid_session()
else:
self.broker = QPID_BROKER
# connection for the Consumer.
self.con_receive = qpid.messaging.Connection(self.broker)
self.con_receive.open()
# session to receive the messages
self.session_receive = self.con_receive.session()
# connection for sending the message
self.con_send = qpid.messaging.Connection(self.broker)
self.con_send.open()
# session to send the messages
self.session_send = self.con_send.session()
# to store the expected messages and the
# actual received messages
self._expected = {}
self._messages = {}
self._senders = []
self._receivers = []
self._sender_threads = []
self._receiver_threads = []
def tearDown(self):
self.qpid_conf.unregister_opts(self.qpid_opts)
super(TestQpidTopicAndFanout, self).tearDown()
if self._fake_qpid:
_fake_session.flush_exchanges()
else:
self.con_receive.close()
self.con_send.close()
def consumer_callback(self, msg):
"""callback function called by the ConsumerBase class of
qpid driver.
Message will be received in the format x-y
where x is the sender id and y is the msg number of the sender
extract the sender id 'x' and store the msg 'x-y' with 'x' as
the key
"""
if isinstance(msg, dict):
msgcontent = msg['content']
else:
msgcontent = msg
splitmsg = msgcontent.split('-')
key = thread.get_ident()
if key not in self._messages:
self._messages[key] = dict()
tdict = self._messages[key]
if splitmsg[0] not in tdict:
tdict[splitmsg[0]] = []
tdict[splitmsg[0]].append(msgcontent)
def _try_send_msg(self, sender_id, no_msgs):
for i in range(no_msgs):
sendmsg = '%s-%s' % (str(sender_id), str(i))
key = str(sender_id)
# Store the message in the self._expected for each sender.
# This will be used later to
# validate the test by comparing it with the
# received messages by all the receivers
if key not in self._expected:
self._expected[key] = []
self._expected[key].append(sendmsg)
send_dict = {'content_type': 'text/plain', 'content': sendmsg}
self._senders[sender_id].send(send_dict)
def _try_receive_msg(self, receiver_id, no_msgs):
for i in range(self.no_senders * no_msgs):
no_of_attempts = 0
# ConsumerBase.consume blocks indefinitely until a message
# is received.
# So qpid_receiver.available() is called before calling
# ConsumerBase.consume() so that we are not
# blocked indefinitely
qpid_receiver = self._receivers[receiver_id].get_receiver()
while no_of_attempts < 50:
if qpid_receiver.available() > 0:
self._receivers[receiver_id].consume()
break
no_of_attempts += 1
time.sleep(0.05)
def test_qpid_topic_and_fanout(self):
for receiver_id in range(self.no_receivers):
consumer = self.consumer_cls(self.qpid_conf,
self.session_receive,
self.receive_topic,
self.consumer_callback)
self._receivers.append(consumer)
# create receivers threads
thread = threading.Thread(target=self._try_receive_msg,
args=(receiver_id, self.no_msgs,))
self._receiver_threads.append(thread)
for sender_id in range(self.no_senders):
publisher = self.publisher_cls(self.qpid_conf,
self.session_send,
self.topic)
self._senders.append(publisher)
# create sender threads
thread = threading.Thread(target=self._try_send_msg,
args=(sender_id, self.no_msgs,))
self._sender_threads.append(thread)
for thread in self._receiver_threads:
thread.start()
for thread in self._sender_threads:
thread.start()
for thread in self._receiver_threads:
thread.join()
for thread in self._sender_threads:
thread.join()
# Each receiver should receive all the messages sent by
# the sender(s).
# So, Iterate through each of the receiver items in
# self._messages and compare with the expected messages
# messages.
self.assertEqual(len(self._expected), self.no_senders)
self.assertEqual(len(self._messages), self.no_receivers)
for key, messages in self._messages.iteritems():
self.assertEqual(self._expected, messages)
TestQpidTopicAndFanout.generate_scenarios()
def synchronized(func):
func.__lock__ = threading.Lock()
def synced_func(*args, **kws):
with func.__lock__:
return func(*args, **kws)
return synced_func
class FakeQpidMsgManager(object):
def __init__(self):
self._exchanges = {}
@synchronized
def add_exchange(self, exchange):
if exchange not in self._exchanges:
self._exchanges[exchange] = {'msgs': [], 'consumers': {}}
@synchronized
def add_exchange_consumer(self, exchange, consumer_id):
exchange_info = self._exchanges[exchange]
cons_dict = exchange_info['consumers']
cons_dict[consumer_id] = 0
@synchronized
def add_exchange_msg(self, exchange, msg):
exchange_info = self._exchanges[exchange]
exchange_info['msgs'].append(msg)
def get_exchange_msg(self, exchange, index):
exchange_info = self._exchanges[exchange]
return exchange_info['msgs'][index]
def get_no_exch_msgs(self, exchange):
exchange_info = self._exchanges[exchange]
return len(exchange_info['msgs'])
def get_exch_cons_index(self, exchange, consumer_id):
exchange_info = self._exchanges[exchange]
cons_dict = exchange_info['consumers']
return cons_dict[consumer_id]
@synchronized
def inc_consumer_index(self, exchange, consumer_id):
exchange_info = self._exchanges[exchange]
cons_dict = exchange_info['consumers']
cons_dict[consumer_id] += 1
_fake_qpid_msg_manager = FakeQpidMsgManager()
class FakeQpidSessionSender(object):
def __init__(self, session, id, target, options):
self.session = session
self.id = id
self.target = target
self.options = options
@synchronized
def send(self, object, sync=True, timeout=None):
_fake_qpid_msg_manager.add_exchange_msg(self.target, object)
def close(self, timeout=None):
pass
class FakeQpidSessionReceiver(object):
def __init__(self, session, id, source, options):
self.session = session
self.id = id
self.source = source
self.options = options
@synchronized
def fetch(self, timeout=None):
if timeout is None:
# if timeout is not given, take a default time out
# of 30 seconds to avoid indefinite loop
_timeout = 30
else:
_timeout = timeout
deadline = time.time() + _timeout
while time.time() <= deadline:
index = _fake_qpid_msg_manager.get_exch_cons_index(self.source,
self.id)
try:
msg = _fake_qpid_msg_manager.get_exchange_msg(self.source,
index)
except IndexError:
pass
else:
_fake_qpid_msg_manager.inc_consumer_index(self.source,
self.id)
return qpid.messaging.Message(msg)
time.sleep(0.050)
if timeout is None:
raise Exception('timed out waiting for reply')
def close(self, timeout=None):
pass
@synchronized
def available(self):
no_msgs = _fake_qpid_msg_manager.get_no_exch_msgs(self.source)
index = _fake_qpid_msg_manager.get_exch_cons_index(self.source,
self.id)
if no_msgs == 0 or index >= no_msgs:
return 0
else:
return no_msgs - index
class FakeQpidSession(object):
def __init__(self, connection=None, name=None, transactional=None):
self.connection = connection
self.name = name
self.transactional = transactional
self._receivers = {}
self.conf = None
self.url = None
self._senders = {}
self._sender_id = 0
self._receiver_id = 0
@synchronized
def sender(self, target, **options):
exchange_key = self._extract_exchange_key(target)
_fake_qpid_msg_manager.add_exchange(exchange_key)
sendobj = FakeQpidSessionSender(self, self._sender_id,
exchange_key, options)
self._senders[self._sender_id] = sendobj
self._sender_id = self._sender_id + 1
return sendobj
@synchronized
def receiver(self, source, **options):
exchange_key = self._extract_exchange_key(source)
_fake_qpid_msg_manager.add_exchange(exchange_key)
recvobj = FakeQpidSessionReceiver(self, self._receiver_id,
exchange_key, options)
self._receivers[self._receiver_id] = recvobj
_fake_qpid_msg_manager.add_exchange_consumer(exchange_key,
self._receiver_id)
self._receiver_id += 1
return recvobj
def acknowledge(self, message=None, disposition=None, sync=True):
pass
@synchronized
def flush_exchanges(self):
_fake_qpid_msg_manager._exchanges = {}
def _extract_exchange_key(self, exchange_msg):
"""This function extracts a unique key for the exchange.
This key is used in the dictionary as a 'key' for
this exchange.
Eg. if the exchange_msg (for qpid topology version 1)
is 33/33 ; {"node": {"x-declare": {"auto-delete": true, ....
then 33 is returned as the key.
Eg 2. For topology v2, if the
exchange_msg is - amq.direct/44 ; {"link": {"x-dec.......
then 44 is returned
"""
# first check for ';'
semicolon_split = exchange_msg.split(';')
# split the first item of semicolon_split with '/'
slash_split = semicolon_split[0].split('/')
# return the last element of the list as the key
key = slash_split[-1]
return key.strip()
_fake_session = FakeQpidSession()
def get_fake_qpid_session():
return _fake_session
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