/*
* Copyright 2002-2015 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.event.config;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import java.util.Date;
import java.util.Properties;
import java.util.Set;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.DirectFieldAccessor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.core.ResolvableType;
import org.springframework.expression.Expression;
import org.springframework.integration.event.inbound.ApplicationEventListeningMessageProducer;
import org.springframework.integration.history.MessageHistory;
import org.springframework.integration.test.util.TestUtils;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.PollableChannel;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Oleg Zhurakousky
* @author Mark Fisher
* @author Gary Russell
* @author Gunnar Hillert
* @author Artem Bilan
* @since 2.0
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration
public class EventInboundChannelAdapterParserTests {
@Autowired
private ApplicationContext context;
@Autowired
MessageChannel errorChannel;
@Autowired
MessageChannel autoChannel;
@Autowired
@Qualifier("autoChannel.adapter")
ApplicationEventListeningMessageProducer eventListener;
@Test
public void validateEventParser() {
Object adapter = context.getBean("eventAdapterSimple");
Assert.assertNotNull(adapter);
Assert.assertTrue(adapter instanceof ApplicationEventListeningMessageProducer);
DirectFieldAccessor adapterAccessor = new DirectFieldAccessor(adapter);
Assert.assertEquals(context.getBean("input"), adapterAccessor.getPropertyValue("outputChannel"));
Assert.assertSame(errorChannel, adapterAccessor.getPropertyValue("errorChannel"));
}
@Test
@SuppressWarnings("unchecked")
public void validateEventParserWithEventTypes() {
Object adapter = context.getBean("eventAdapterFiltered");
Assert.assertNotNull(adapter);
Assert.assertTrue(adapter instanceof ApplicationEventListeningMessageProducer);
DirectFieldAccessor adapterAccessor = new DirectFieldAccessor(adapter);
Assert.assertEquals(context.getBean("inputFiltered"), adapterAccessor.getPropertyValue("outputChannel"));
Set<ResolvableType> eventTypes = (Set<ResolvableType>) adapterAccessor.getPropertyValue("eventTypes");
assertNotNull(eventTypes);
assertTrue(eventTypes.size() == 3);
assertTrue(eventTypes.contains(ResolvableType.forClass(SampleEvent.class)));
assertTrue(eventTypes.contains(ResolvableType.forClass(AnotherSampleEvent.class)));
assertTrue(eventTypes.contains(ResolvableType.forClass(Date.class)));
assertNull(adapterAccessor.getPropertyValue("errorChannel"));
}
@Test
@SuppressWarnings("unchecked")
public void validateEventParserWithEventTypesAndPlaceholder() {
Object adapter = context.getBean("eventAdapterFilteredPlaceHolder");
Assert.assertNotNull(adapter);
Assert.assertTrue(adapter instanceof ApplicationEventListeningMessageProducer);
DirectFieldAccessor adapterAccessor = new DirectFieldAccessor(adapter);
Assert.assertEquals(context.getBean("inputFilteredPlaceHolder"), adapterAccessor.getPropertyValue("outputChannel"));
Set<ResolvableType> eventTypes = (Set<ResolvableType>) adapterAccessor.getPropertyValue("eventTypes");
assertNotNull(eventTypes);
assertTrue(eventTypes.size() == 2);
assertTrue(eventTypes.contains(ResolvableType.forClass(SampleEvent.class)));
assertTrue(eventTypes.contains(ResolvableType.forClass(AnotherSampleEvent.class)));
}
@Test
public void validateUsageWithHistory() {
PollableChannel channel = context.getBean("input", PollableChannel.class);
assertEquals(ContextRefreshedEvent.class, channel.receive(0).getPayload().getClass());
context.publishEvent(new SampleEvent("hello"));
Message<?> message = channel.receive(0);
MessageHistory history = MessageHistory.read(message);
assertNotNull(history);
Properties componentHistoryRecord = TestUtils.locateComponentInHistory(history, "eventAdapterSimple", 0);
assertNotNull(componentHistoryRecord);
assertEquals("event:inbound-channel-adapter", componentHistoryRecord.get("type"));
assertNotNull(message);
assertEquals(SampleEvent.class, message.getPayload().getClass());
}
@Test
public void validatePayloadExpression() {
Object adapter = context.getBean("eventAdapterSpel");
Assert.assertNotNull(adapter);
Assert.assertTrue(adapter instanceof ApplicationEventListeningMessageProducer);
DirectFieldAccessor adapterAccessor = new DirectFieldAccessor(adapter);
Expression expression = (Expression) adapterAccessor.getPropertyValue("payloadExpression");
Assert.assertEquals("source + '-test'", expression.getExpressionString());
}
@Test
public void testAutoCreateChannel() {
assertSame(autoChannel, TestUtils.getPropertyValue(eventListener, "outputChannel"));
}
@SuppressWarnings("serial")
public static class SampleEvent extends ApplicationEvent {
public SampleEvent(Object source) {
super(source);
}
}
@SuppressWarnings("serial")
public static class AnotherSampleEvent extends ApplicationEvent {
public AnotherSampleEvent(Object source) {
super(source);
}
}
}