org.springframework.amqp.rabbit.core.RabbitTemplatePublisherCallbacksIntegrationTests3.java Source code

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/*
 * Copyright 2018 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.assertj.core.api.Assertions.assertThat;

import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

import org.junit.jupiter.api.Test;

import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;
import org.springframework.amqp.rabbit.connection.Connection;
import org.springframework.amqp.rabbit.junit.RabbitAvailable;
import org.springframework.amqp.rabbit.junit.RabbitAvailableCondition;
import org.springframework.amqp.rabbit.support.CorrelationData;
import org.springframework.amqp.utils.test.TestUtils;

import com.rabbitmq.client.Channel;

/**
 * @author Gary Russell
 * @since 2.1
 *
 */
@RabbitAvailable(queues = { RabbitTemplatePublisherCallbacksIntegrationTests3.QUEUE1,
        RabbitTemplatePublisherCallbacksIntegrationTests3.QUEUE2 })
public class RabbitTemplatePublisherCallbacksIntegrationTests3 {

    public static final String QUEUE1 = "synthetic.nack";

    public static final String QUEUE2 = "defer.close";

    @Test
    public void testRepublishOnNackThreadNoExchange() throws Exception {
        CachingConnectionFactory cf = new CachingConnectionFactory(
                RabbitAvailableCondition.getBrokerRunning().getConnectionFactory());
        cf.setPublisherConfirms(true);
        final RabbitTemplate template = new RabbitTemplate(cf);
        final CountDownLatch confirmLatch = new CountDownLatch(2);
        template.setConfirmCallback((cd, a, c) -> {
            if (confirmLatch.getCount() == 2) {
                template.convertAndSend(QUEUE1, ((MyCD) cd).payload);
            }
            confirmLatch.countDown();
        });
        template.convertAndSend("bad.exchange", "junk", "foo", new MyCD("foo"));
        assertThat(confirmLatch.await(10, TimeUnit.SECONDS)).isTrue();
        assertThat(template.receive(QUEUE1, 10_000)).isNotNull();
    }

    @Test
    public void testDeferredChannelCacheNack() throws Exception {
        final CachingConnectionFactory cf = new CachingConnectionFactory(
                RabbitAvailableCondition.getBrokerRunning().getConnectionFactory());
        cf.setPublisherReturns(true);
        cf.setPublisherConfirms(true);
        final RabbitTemplate template = new RabbitTemplate(cf);
        final CountDownLatch returnLatch = new CountDownLatch(1);
        final CountDownLatch confirmLatch = new CountDownLatch(1);
        final AtomicInteger cacheCount = new AtomicInteger();
        template.setConfirmCallback((cd, a, c) -> {
            cacheCount.set(TestUtils.getPropertyValue(cf, "cachedChannelsNonTransactional", List.class).size());
            confirmLatch.countDown();
        });
        template.setReturnCallback((m, r, rt, e, rk) -> {
            returnLatch.countDown();
        });
        template.setMandatory(true);
        Connection conn = cf.createConnection();
        Channel channel1 = conn.createChannel(false);
        Channel channel2 = conn.createChannel(false);
        channel1.close();
        channel2.close();
        conn.close();
        assertThat(TestUtils.getPropertyValue(cf, "cachedChannelsNonTransactional", List.class).size())
                .isEqualTo(2);
        template.convertAndSend("", QUEUE2 + "junk", "foo", new MyCD("foo"));
        assertThat(returnLatch.await(10, TimeUnit.SECONDS)).isTrue();
        assertThat(confirmLatch.await(10, TimeUnit.SECONDS)).isTrue();
        assertThat(cacheCount.get()).isEqualTo(1);
        cf.destroy();
    }

    @Test
    public void testDeferredChannelCacheAck() throws Exception {
        final CachingConnectionFactory cf = new CachingConnectionFactory(
                RabbitAvailableCondition.getBrokerRunning().getConnectionFactory());
        cf.setPublisherConfirms(true);
        final RabbitTemplate template = new RabbitTemplate(cf);
        final CountDownLatch confirmLatch = new CountDownLatch(1);
        final AtomicInteger cacheCount = new AtomicInteger();
        template.setConfirmCallback((cd, a, c) -> {
            cacheCount.set(TestUtils.getPropertyValue(cf, "cachedChannelsNonTransactional", List.class).size());
            confirmLatch.countDown();
        });
        template.setMandatory(true);
        Connection conn = cf.createConnection();
        Channel channel1 = conn.createChannel(false);
        Channel channel2 = conn.createChannel(false);
        channel1.close();
        channel2.close();
        conn.close();
        assertThat(TestUtils.getPropertyValue(cf, "cachedChannelsNonTransactional", List.class).size())
                .isEqualTo(2);
        template.convertAndSend("", QUEUE2, "foo", new MyCD("foo"));
        assertThat(confirmLatch.await(10, TimeUnit.SECONDS)).isTrue();
        assertThat(cacheCount.get()).isEqualTo(1);
        cf.destroy();
    }

    private static class MyCD extends CorrelationData {

        private final String payload;

        MyCD(String payload) {
            this.payload = payload;
        }

    }

}