org.springframework.amqp.rabbit.core.RabbitAdminTests.java Source code

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Here is the source code for org.springframework.amqp.rabbit.core.RabbitAdminTests.java

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/*
 * Copyright 2002-2014 the original author or authors.
 *
 * 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.
 */
package org.springframework.amqp.rabbit.core;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.util.Properties;

import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;

import org.springframework.amqp.core.Queue;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.connection.SingleConnectionFactory;
import org.springframework.amqp.rabbit.test.BrokerRunning;
import org.springframework.context.support.GenericApplicationContext;

import com.rabbitmq.client.Channel;
import com.rabbitmq.client.DefaultConsumer;

public class RabbitAdminTests {

    @Rule
    public ExpectedException exception = ExpectedException.none();

    @Rule
    public BrokerRunning brokerIsRunning = BrokerRunning.isRunning();

    @Test
    public void testSettingOfNullConectionFactory() {
        ConnectionFactory connectionFactory = null;
        try {
            new RabbitAdmin(connectionFactory);
            fail("should have thrown IllegalArgumentException when ConnectionFactory is null.");
        } catch (IllegalArgumentException e) {
            assertEquals("ConnectionFactory must not be null", e.getMessage());
        }
    }

    @Test
    public void testNoFailOnStartupWithMissingBroker() throws Exception {
        SingleConnectionFactory connectionFactory = new SingleConnectionFactory("foo");
        connectionFactory.setPort(434343);
        GenericApplicationContext applicationContext = new GenericApplicationContext();
        applicationContext.getBeanFactory().registerSingleton("foo", new Queue("queue"));
        RabbitAdmin rabbitAdmin = new RabbitAdmin(connectionFactory);
        rabbitAdmin.setApplicationContext(applicationContext);
        rabbitAdmin.setAutoStartup(true);
        rabbitAdmin.afterPropertiesSet();
        connectionFactory.destroy();
    }

    @Test
    public void testFailOnFirstUseWithMissingBroker() throws Exception {
        SingleConnectionFactory connectionFactory = new SingleConnectionFactory("foo");
        connectionFactory.setPort(434343);
        GenericApplicationContext applicationContext = new GenericApplicationContext();
        applicationContext.getBeanFactory().registerSingleton("foo", new Queue("queue"));
        RabbitAdmin rabbitAdmin = new RabbitAdmin(connectionFactory);
        rabbitAdmin.setApplicationContext(applicationContext);
        rabbitAdmin.setAutoStartup(true);
        rabbitAdmin.afterPropertiesSet();
        exception.expect(IllegalArgumentException.class);
        rabbitAdmin.declareQueue();
        connectionFactory.destroy();
    }

    @Test
    public void testProperties() throws Exception {
        SingleConnectionFactory connectionFactory = new SingleConnectionFactory();
        connectionFactory.setHost("localhost");
        RabbitAdmin rabbitAdmin = new RabbitAdmin(connectionFactory);
        String queueName = "test.properties." + System.currentTimeMillis();
        try {
            rabbitAdmin.declareQueue(new Queue(queueName));
            new RabbitTemplate(connectionFactory).convertAndSend(queueName, "foo");
            int n = 0;
            while (n++ < 100 && messageCount(rabbitAdmin, queueName) == 0) {
                Thread.sleep(100);
            }
            assertTrue("Message count = 0", n < 100);
            Channel channel = connectionFactory.createConnection().createChannel(false);
            DefaultConsumer consumer = new DefaultConsumer(channel);
            channel.basicConsume(queueName, true, consumer);
            n = 0;
            while (n++ < 100 && messageCount(rabbitAdmin, queueName) > 0) {
                Thread.sleep(100);
            }
            assertTrue("Message count > 0", n < 100);
            Properties props = rabbitAdmin.getQueueProperties(queueName);
            assertNotNull(props.get(RabbitAdmin.QUEUE_CONSUMER_COUNT));
            assertEquals(1, props.get(RabbitAdmin.QUEUE_CONSUMER_COUNT));
            channel.close();
        } finally {
            rabbitAdmin.deleteQueue(queueName);
            connectionFactory.destroy();
        }
    }

    private int messageCount(RabbitAdmin rabbitAdmin, String queueName) {
        Properties props = rabbitAdmin.getQueueProperties(queueName);
        assertNotNull(props);
        assertNotNull(props.get(RabbitAdmin.QUEUE_MESSAGE_COUNT));
        return Integer.valueOf((Integer) props.get(RabbitAdmin.QUEUE_MESSAGE_COUNT));
    }
}