/usr/lib/python2.7/dist-packages/txamqp/testlib.py is in python-txamqp 0.6.1-0ubuntu3.
This file is owned by root:root, with mode 0o644.
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# 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 os
import warnings
from txamqp.content import Content
import txamqp.spec
from txamqp.protocol import AMQClient
from txamqp.client import TwistedDelegate
from twisted.internet import error, protocol, reactor
from twisted.trial import unittest
from twisted.internet.defer import inlineCallbacks, Deferred, returnValue
from txamqp.queue import Empty
RABBITMQ = "RABBITMQ"
OPENAMQ = "OPENAMQ"
QPID = "QPID"
class supportedBrokers(object):
def __init__(self, *supporterBrokers):
self.supporterBrokers = supporterBrokers
def __call__(self, f):
if _get_broker() not in self.supporterBrokers:
f.skip = "Not supported for this broker."
return f
def _get_broker():
return os.environ.get("TXAMQP_BROKER")
USERNAME='guest'
PASSWORD='guest'
VHOST='/'
HEARTBEAT = 0
class TestBase(unittest.TestCase):
clientClass = AMQClient
heartbeat = HEARTBEAT
def __init__(self, *args, **kwargs):
unittest.TestCase.__init__(self, *args, **kwargs)
self.host = 'localhost'
self.port = 5672
self.broker = _get_broker()
if self.broker is None:
warnings.warn(
"Using default broker rabbitmq. Define TXAMQP_BROKER "
"environment variable to customized it.")
self.broker = RABBITMQ
if self.broker == RABBITMQ:
self.spec = '../specs/rabbitmq/amqp0-8.stripped.rabbitmq.xml'
elif self.broker == OPENAMQ:
self.spec = '../specs/standard/amqp0-9.stripped.xml'
elif self.broker == QPID:
self.spec = '../specs/qpid/amqp.0-8.xml'
else:
raise RuntimeError(
"Unsupported broker '%s'. Use one of RABBITMQ, OPENAMQ or "
"QPID" % self.broker)
self.user = USERNAME
self.password = PASSWORD
self.vhost = VHOST
self.queues = []
self.exchanges = []
self.connectors = []
@inlineCallbacks
def connect(self, host=None, port=None, spec=None, user=None, password=None, vhost=None,
heartbeat=None, clientClass=None):
host = host or self.host
port = port or self.port
spec = spec or self.spec
user = user or self.user
password = password or self.password
vhost = vhost or self.vhost
heartbeat = heartbeat or self.heartbeat
clientClass = clientClass or self.clientClass
delegate = TwistedDelegate()
onConn = Deferred()
p = clientClass(delegate, vhost, txamqp.spec.load(spec), heartbeat=heartbeat)
f = protocol._InstanceFactory(reactor, p, onConn)
c = reactor.connectTCP(host, port, f)
def errb(thefailure):
thefailure.trap(error.ConnectionRefusedError)
print "failed to connect to host: %s, port: %s; These tests are designed to run against a running instance" \
" of the %s AMQP broker on the given host and port. failure: %r" % (host, port, self.broker, thefailure,)
thefailure.raiseException()
onConn.addErrback(errb)
self.connectors.append(c)
client = yield onConn
yield client.authenticate(user, password)
returnValue(client)
@inlineCallbacks
def setUp(self):
try:
self.client = yield self.connect()
except txamqp.client.Closed, le:
le.args = tuple(("Unable to connect to AMQP broker in order to run tests (perhaps due to auth failure?). " \
"The tests assume that an instance of the %s AMQP broker is already set up and that this test script " \
"can connect to it and use it as user '%s', password '%s', vhost '%s'." % (_get_broker(),
USERNAME, PASSWORD, VHOST),) + le.args)
raise
self.channel = yield self.client.channel(1)
yield self.channel.channel_open()
@inlineCallbacks
def tearDown(self):
for ch, q in self.queues:
yield ch.queue_delete(queue=q)
for ch, ex in self.exchanges:
yield ch.exchange_delete(exchange=ex)
for connector in self.connectors:
yield connector.disconnect()
@inlineCallbacks
def queue_declare(self, channel=None, *args, **keys):
channel = channel or self.channel
reply = yield channel.queue_declare(*args, **keys)
self.queues.append((channel, reply.queue))
returnValue(reply)
@inlineCallbacks
def exchange_declare(self, channel=None, ticket=0, exchange='',
type='', passive=False, durable=False,
auto_delete=False, internal=False, nowait=False,
arguments={}):
channel = channel or self.channel
reply = yield channel.exchange_declare(ticket, exchange, type, passive, durable, auto_delete, internal, nowait, arguments)
self.exchanges.append((channel,exchange))
returnValue(reply)
def assertChannelException(self, expectedCode, message):
self.assertEqual("channel", message.method.klass.name)
self.assertEqual("close", message.method.name)
self.assertEqual(expectedCode, message.reply_code)
def assertConnectionException(self, expectedCode, message):
self.assertEqual("connection", message.method.klass.name)
self.assertEqual("close", message.method.name)
self.assertEqual(expectedCode, message.reply_code)
@inlineCallbacks
def consume(self, queueName):
"""Consume from named queue returns the Queue object."""
reply = yield self.channel.basic_consume(queue=queueName, no_ack=True)
returnValue((yield self.client.queue(reply.consumer_tag)))
@inlineCallbacks
def assertEmpty(self, queue):
"""Assert that the queue is empty"""
try:
yield queue.get(timeout=1)
self.fail("Queue is not empty.")
except Empty: None # Ignore
@inlineCallbacks
def assertPublishGet(self, queue, exchange="", routing_key="", properties=None):
"""
Publish to exchange and assert queue.get() returns the same message.
"""
body = self.uniqueString()
self.channel.basic_publish(exchange=exchange,
content=Content(body, properties=properties),
routing_key=routing_key)
msg = yield queue.get(timeout=1)
self.assertEqual(body, msg.content.body)
if (properties): self.assertEqual(properties, msg.content.properties)
def uniqueString(self):
"""Generate a unique string, unique for this TestBase instance"""
if not "uniqueCounter" in dir(self): self.uniqueCounter = 1;
return "Test Message " + str(self.uniqueCounter)
@inlineCallbacks
def assertPublishConsume(self, queue="", exchange="", routing_key="", properties=None):
"""
Publish a message and consume it, assert it comes back intact.
Return the Queue object used to consume.
"""
yield self.assertPublishGet((yield self.consume(queue)), exchange, routing_key, properties)
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