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94 lines
3.8 KiB
Python
94 lines
3.8 KiB
Python
#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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from qpid.content import Content
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from qpid.testlib import TestBase
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class ExampleTest (TestBase):
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"""
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An example Qpid test, illustrating the unittest frameowkr and the
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python Qpid client. The test class must inherit TestCase. The
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test code uses the Qpid client to interact with a qpid broker and
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verify it behaves as expected.
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"""
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def test_example(self):
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"""
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An example test. Note that test functions must start with 'test_'
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to be recognized by the test framework.
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"""
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# By inheriting TestBase, self.client is automatically connected
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# and self.channel is automatically opened as channel(1)
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# Other channel methods mimic the protocol.
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channel = self.channel
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# Now we can send regular commands. If you want to see what the method
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# arguments mean or what other commands are available, you can use the
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# python builtin help() method. For example:
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#help(chan)
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#help(chan.exchange_declare)
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# If you want browse the available protocol methods without being
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# connected to a live server you can use the amqp-doc utility:
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#
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# Usage amqp-doc [<options>] <spec> [<pattern_1> ... <pattern_n>]
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#
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# Options:
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# -e, --regexp use regex instead of glob when matching
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# Now that we know what commands are available we can use them to
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# interact with the server.
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# Here we use ordinal arguments.
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self.exchange_declare(channel, 0, "test", "direct")
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# Here we use keyword arguments.
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self.queue_declare(channel, queue="test-queue")
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channel.queue_bind(queue="test-queue", exchange="test", routing_key="key")
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# Call Channel.basic_consume to register as a consumer.
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# All the protocol methods return a message object. The message object
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# has fields corresponding to the reply method fields, plus a content
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# field that is filled if the reply includes content. In this case the
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# interesting field is the consumer_tag.
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reply = channel.basic_consume(queue="test-queue")
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# We can use the Client.queue(...) method to access the queue
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# corresponding to our consumer_tag.
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queue = self.client.queue(reply.consumer_tag)
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# Now lets publish a message and see if our consumer gets it. To do
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# this we need to import the Content class.
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body = "Hello World!"
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channel.basic_publish(exchange="test",
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routing_key="key",
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content=Content(body))
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# Now we'll wait for the message to arrive. We can use the timeout
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# argument in case the server hangs. By default queue.get() will wait
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# until a message arrives or the connection to the server dies.
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msg = queue.get(timeout=10)
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# And check that we got the right response with assertEqual
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self.assertEqual(body, msg.content.body)
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# Now acknowledge the message.
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channel.basic_ack(msg.delivery_tag, True)
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