/*
* Copyright 2014-2017 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.mqtt;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.ArgumentMatchers.contains;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.TimeUnit;
import org.apache.commons.logging.Log;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.DirectFieldAccessor;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.integration.mqtt.inbound.MqttPahoMessageDrivenChannelAdapter;
import org.springframework.integration.mqtt.outbound.MqttPahoMessageHandler;
import org.springframework.integration.test.util.TestUtils;
import org.springframework.messaging.PollableChannel;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.junit4.SpringRunner;
/**
* @author Gary Russell
* @since 4.0
*
*/
@RunWith(SpringRunner.class)
@DirtiesContext
public class DownstreamExceptionTests {
@ClassRule
public static final BrokerRunning brokerRunning = BrokerRunning.isRunning(1883);
@Autowired
private Service service;
@Autowired
private MqttPahoMessageDrivenChannelAdapter noErrorChannel;
@Autowired
private MqttPahoMessageDrivenChannelAdapter withErrorChannel;
@Autowired
private PollableChannel errors;
@Test
public void testNoErrorChannel() throws Exception {
service.n = 0;
Log logger = spy(TestUtils.getPropertyValue(noErrorChannel, "logger", Log.class));
final CountDownLatch latch = new CountDownLatch(1);
doAnswer(invocation -> {
if (((String) invocation.getArgument(0)).contains("Unhandled")) {
latch.countDown();
}
return null;
}).when(logger).error(anyString(), any(Throwable.class));
new DirectFieldAccessor(noErrorChannel).setPropertyValue("logger", logger);
MqttPahoMessageHandler adapter = new MqttPahoMessageHandler("tcp://localhost:1883", "si-test-out");
adapter.setDefaultTopic("mqtt-fooEx1");
adapter.setBeanFactory(mock(BeanFactory.class));
adapter.afterPropertiesSet();
adapter.start();
adapter.handleMessage(new GenericMessage<String>("foo"));
service.barrier.await(10, TimeUnit.SECONDS);
service.barrier.reset();
adapter.handleMessage(new GenericMessage<String>("foo"));
service.barrier.await(10, TimeUnit.SECONDS);
assertTrue(latch.await(10, TimeUnit.SECONDS));
verify(logger).error(contains("Unhandled exception for"), any(Throwable.class));
service.barrier.reset();
adapter.stop();
}
@Test
public void testWithErrorChannel() throws Exception {
assertSame(this.errors, TestUtils.getPropertyValue(this.withErrorChannel, "errorChannel"));
service.n = 0;
MqttPahoMessageHandler adapter = new MqttPahoMessageHandler("tcp://localhost:1883", "si-test-out");
adapter.setDefaultTopic("mqtt-fooEx2");
adapter.setBeanFactory(mock(BeanFactory.class));
adapter.afterPropertiesSet();
adapter.start();
adapter.handleMessage(new GenericMessage<String>("foo"));
service.barrier.await(10, TimeUnit.SECONDS);
service.barrier.reset();
adapter.handleMessage(new GenericMessage<String>("foo"));
service.barrier.await(10, TimeUnit.SECONDS);
assertNotNull(errors.receive(10000));
service.barrier.reset();
adapter.stop();
}
public static class Service {
public CyclicBarrier barrier = new CyclicBarrier(2);
public int n;
public void foo(String foo) throws Exception {
barrier.await(10, TimeUnit.SECONDS);
if (n++ > 0) {
throw new RuntimeException("bar");
}
}
}
}