/*
* Copyright 2002-2016 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.integration.redis.channel;
import static org.hamcrest.Matchers.containsString;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.mock;
import java.lang.reflect.InvocationTargetException;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.data.redis.listener.adapter.MessageListenerAdapter;
import org.springframework.integration.redis.rules.RedisAvailable;
import org.springframework.integration.redis.rules.RedisAvailableTests;
import org.springframework.integration.test.util.TestUtils;
import org.springframework.messaging.MessageHandler;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.util.ReflectionUtils;
/**
* @author Oleg Zhurakousky
* @author Gary Russell
* @author Artem Bilan
* @since 2.0
*/
public class SubscribableRedisChannelTests extends RedisAvailableTests {
@Test
@RedisAvailable
public void pubSubChannelTest() throws Exception {
RedisConnectionFactory connectionFactory = this.getConnectionFactoryForTest();
SubscribableRedisChannel channel = new SubscribableRedisChannel(connectionFactory, "si.test.channel");
channel.setBeanFactory(mock(BeanFactory.class));
channel.afterPropertiesSet();
channel.start();
this.awaitContainerSubscribed(TestUtils.getPropertyValue(channel, "container",
RedisMessageListenerContainer.class));
final CountDownLatch latch = new CountDownLatch(3);
MessageHandler handler = message -> latch.countDown();
channel.subscribe(handler);
channel.send(new GenericMessage<String>("1"));
channel.send(new GenericMessage<String>("2"));
channel.send(new GenericMessage<String>("3"));
assertTrue(latch.await(20, TimeUnit.SECONDS));
}
@Test
@RedisAvailable
public void dispatcherHasNoSubscribersTest() throws Exception {
RedisConnectionFactory connectionFactory = this.getConnectionFactoryForTest();
SubscribableRedisChannel channel = new SubscribableRedisChannel(connectionFactory, "si.test.channel.no.subs");
channel.setBeanName("dhnsChannel");
channel.setBeanFactory(mock(BeanFactory.class));
channel.afterPropertiesSet();
RedisMessageListenerContainer container = TestUtils.getPropertyValue(
channel, "container", RedisMessageListenerContainer.class);
@SuppressWarnings("unchecked")
Map<?, Set<MessageListenerAdapter>> channelMapping = (Map<?, Set<MessageListenerAdapter>>) TestUtils
.getPropertyValue(container, "channelMapping");
MessageListenerAdapter listener = channelMapping.entrySet().iterator().next().getValue().iterator().next();
Object delegate = TestUtils.getPropertyValue(listener, "delegate");
try {
ReflectionUtils.findMethod(delegate.getClass(), "handleMessage", Object.class).invoke(delegate,
"Hello, world!");
fail("Exception expected");
}
catch (InvocationTargetException e) {
Throwable cause = e.getCause();
assertNotNull(cause);
assertThat(cause.getMessage(),
containsString("Dispatcher has no subscribers for redis-channel 'si.test.channel.no.subs' (dhnsChannel)."));
}
}
}