/*
* 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.router;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.junit.Test;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.context.support.GenericApplicationContext;
import org.springframework.integration.channel.QueueChannel;
import org.springframework.integration.channel.TestChannelResolver;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.MessageDeliveryException;
import org.springframework.messaging.MessagingException;
import org.springframework.util.CollectionUtils;
/**
* @author Mark Fisher
* @author Oleg Zhurakousky
* @author Gunnar Hillert
* @author Artem Bilan
*/
public class RouterTests {
@Test(expected = MessageDeliveryException.class)
public void nullChannelRaisesMessageDeliveryExceptionByDefault() {
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
@Override
protected List<Object> getChannelKeys(Message<?> message) {
return null;
}
};
Message<String> message = new GenericMessage<String>("test");
router.handleMessage(message);
}
@Test(expected = MessageDeliveryException.class)
public void nullChannelIdentifierUsingChannelResolverRaisesMessageDeliveryExceptionByDefault() {
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
@Override
protected List<Object> getChannelKeys(Message<?> message) {
return null;
}
};
TestChannelResolver channelResolver = new TestChannelResolver();
router.setChannelResolver(channelResolver);
Message<String> message = new GenericMessage<String>("test");
router.handleMessage(message);
}
@Test(expected = MessageDeliveryException.class)
public void nullChannelIdentifierInListRaisesMessageDeliveryExceptionByDefault() {
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
@Override
protected List<Object> getChannelKeys(Message<?> message) {
return Collections.singletonList(null);
}
};
TestChannelResolver channelResolver = new TestChannelResolver();
router.setChannelResolver(channelResolver);
Message<String> message = new GenericMessage<String>("test");
router.handleMessage(message);
}
@Test(expected = MessageDeliveryException.class)
public void emptyChannelNameArrayRaisesMessageDeliveryExceptionByDefault() {
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
protected List<Object> getChannelKeys(Message<?> message) {
return new ArrayList<Object>();
}
};
TestChannelResolver channelResolver = new TestChannelResolver();
router.setChannelResolver(channelResolver);
Message<String> message = new GenericMessage<String>("test");
router.handleMessage(message);
}
@Test(expected = MessagingException.class)
public void channelMappingIsRequiredWhenResolvingChannelNames() {
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
@SuppressWarnings("unchecked")
protected List<Object> getChannelKeys(Message<?> message) {
return CollectionUtils.arrayToList(new String[] { "notImportant" });
}
};
router.setBeanFactory(mock(BeanFactory.class));
router.handleMessage(new GenericMessage<String>("this should fail"));
}
@Test
public void beanFactoryWithRouter() {
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
@SuppressWarnings("unchecked")
protected List<Object> getChannelKeys(Message<?> message) {
return CollectionUtils.arrayToList(new String[] { "testChannel" });
}
};
QueueChannel testChannel = new QueueChannel();
GenericApplicationContext context = new GenericApplicationContext();
context.getBeanFactory().registerSingleton("testChannel", testChannel);
router.setBeanFactory(context);
context.refresh();
router.handleMessage(new GenericMessage<String>("test"));
Message<?> reply = testChannel.receive(0);
assertEquals("test", reply.getPayload());
}
@Test
public void beanFactoryWithRouterAndMultipleCommaSeparatedChannelNames() {
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
@SuppressWarnings("unchecked")
protected List<Object> getChannelKeys(Message<?> message) {
return CollectionUtils.arrayToList(new String[] { "testChannel1, , testChannel2 " });
}
};
QueueChannel testChannel1 = new QueueChannel();
QueueChannel testChannel2 = new QueueChannel();
GenericApplicationContext context = new GenericApplicationContext();
context.getBeanFactory().registerSingleton("testChannel1", testChannel1);
context.getBeanFactory().registerSingleton("testChannel2", testChannel2);
router.setBeanFactory(context);
context.refresh();
router.handleMessage(new GenericMessage<String>("test"));
Message<?> reply1 = testChannel1.receive(0);
assertEquals("test", reply1.getPayload());
Message<?> reply2 = testChannel2.receive(0);
assertEquals("test", reply2.getPayload());
}
@Test(expected = MessagingException.class)
public void channelResolutionIsRequiredByDefault() {
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
@SuppressWarnings("unchecked")
protected List<Object> getChannelKeys(Message<?> message) {
return CollectionUtils.arrayToList(new String[] { "testChannelDoesNotExist", "testChannel" });
}
};
QueueChannel testChannel = new QueueChannel();
GenericApplicationContext context = new GenericApplicationContext();
context.getBeanFactory().registerSingleton("testChannel", testChannel);
context.refresh();
router.setBeanFactory(context);
router.handleMessage(new GenericMessage<String>("test"));
}
@Test
public void unresolvableChannelIdentifierInListAreIgnoredWhenResolutionRequiredIsFalse() {
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
@SuppressWarnings("unchecked")
protected List<Object> getChannelKeys(Message<?> message) {
return CollectionUtils.arrayToList(new String[] { "testChannelDoesNotExist", "testChannel" });
}
};
router.setResolutionRequired(false);
QueueChannel testChannel = new QueueChannel();
GenericApplicationContext context = new GenericApplicationContext();
context.getBeanFactory().registerSingleton("testChannel", testChannel);
router.setBeanFactory(context);
context.refresh();
router.handleMessage(new GenericMessage<String>("test"));
Message<?> reply = testChannel.receive(0);
assertEquals("test", reply.getPayload());
}
@Test
public void beanFactoryWithRouterAndChannelPrefix() {
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
@SuppressWarnings("unchecked")
protected List<Object> getChannelKeys(Message<?> message) {
return CollectionUtils.arrayToList(new String[] { "MyChannel" });
}
};
router.setPrefix("testing_");
QueueChannel testChannel = new QueueChannel();
GenericApplicationContext context = new GenericApplicationContext();
context.getBeanFactory().registerSingleton("testing_MyChannel", testChannel);
router.setBeanFactory(context);
context.refresh();
router.handleMessage(new GenericMessage<String>("test"));
Message<?> reply = testChannel.receive(0);
assertEquals("test", reply.getPayload());
}
@Test(expected = MessagingException.class)
public void beanFactoryWithRouterAndChannelPrefixFailing() {
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
@SuppressWarnings("unchecked")
protected List<Object> getChannelKeys(Message<?> message) {
return CollectionUtils.arrayToList(new String[] { "testing_MyChannel" });
}
};
router.setPrefix("testing_");
QueueChannel testChannel = new QueueChannel();
GenericApplicationContext context = new GenericApplicationContext();
context.getBeanFactory().registerSingleton("testing_MyChannel", testChannel);
context.refresh();
router.setBeanFactory(context);
router.handleMessage(new GenericMessage<String>("test"));
}
@Test
public void beanFactoryWithRouterAndChannelSuffix() {
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
@SuppressWarnings("unchecked")
protected List<Object> getChannelKeys(Message<?> message) {
return CollectionUtils.arrayToList(new String[] { "MyChannel" });
}
};
router.setSuffix("_withSuffix");
QueueChannel testChannel = new QueueChannel();
GenericApplicationContext context = new GenericApplicationContext();
context.getBeanFactory().registerSingleton("MyChannel_withSuffix", testChannel);
router.setBeanFactory(context);
context.refresh();
router.handleMessage(new GenericMessage<String>("test"));
Message<?> reply = testChannel.receive(0);
assertEquals("test", reply.getPayload());
}
@Test(expected = MessagingException.class)
public void beanFactoryWithRouterAndChannelSuffixFailing() {
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
@SuppressWarnings("unchecked")
protected List<Object> getChannelKeys(Message<?> message) {
return CollectionUtils.arrayToList(new String[] { "MyChannel_withSuffix" });
}
};
router.setSuffix("_withSuffix");
QueueChannel testChannel = new QueueChannel();
GenericApplicationContext context = new GenericApplicationContext();
context.getBeanFactory().registerSingleton("MyChannel_withSuffix", testChannel);
context.refresh();
router.setBeanFactory(context);
router.handleMessage(new GenericMessage<String>("test"));
}
@Test
public void beanFactoryWithRouterAndChannelIdentifiersInListWithinAList() {
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
@SuppressWarnings("unchecked")
protected List<Object> getChannelKeys(Message<?> message) {
List<String> channelNames1 = CollectionUtils.arrayToList(new String[] { "channel1" });
List<String> channelNames2 = CollectionUtils.arrayToList(new String[] { "channel2" });
List<Object> listWithListOfChannelNames = new ArrayList<Object>();
listWithListOfChannelNames.add(channelNames1);
listWithListOfChannelNames.add(channelNames2);
return listWithListOfChannelNames;
}
};
QueueChannel testChannel1 = new QueueChannel();
QueueChannel testChannel2 = new QueueChannel();
GenericApplicationContext context = new GenericApplicationContext();
context.getBeanFactory().registerSingleton("channel1", testChannel1);
context.getBeanFactory().registerSingleton("channel2", testChannel2);
context.refresh();
router.setBeanFactory(context);
router.handleMessage(new GenericMessage<String>("test"));
Message<?> reply1 = testChannel1.receive(0);
assertEquals("test", reply1.getPayload());
Message<?> reply2 = testChannel2.receive(0);
assertEquals("test", reply2.getPayload());
}
@Test
public void beanFactoryWithRouterAndChannelIdentifiersInMessageChannelArrayWithinAList() {
final QueueChannel testChannel1 = new QueueChannel();
final QueueChannel testChannel2 = new QueueChannel();
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
protected List<Object> getChannelKeys(Message<?> message) {
MessageChannel[] channelNames1 = new MessageChannel[] { testChannel1 };
MessageChannel[] channelNames2 = new MessageChannel[] { testChannel2 };
List<Object> listWithListOfChannelNames = new ArrayList<Object>();
listWithListOfChannelNames.add(channelNames1);
listWithListOfChannelNames.add(channelNames2);
return listWithListOfChannelNames;
}
};
GenericApplicationContext context = new GenericApplicationContext();
context.getBeanFactory().registerSingleton("channel1", testChannel1);
context.getBeanFactory().registerSingleton("channel2", testChannel2);
context.refresh();
router.setBeanFactory(context);
router.handleMessage(new GenericMessage<String>("test"));
Message<?> reply1 = testChannel1.receive(0);
assertEquals("test", reply1.getPayload());
Message<?> reply2 = testChannel2.receive(0);
assertEquals("test", reply2.getPayload());
}
@Test
public void beanFactoryWithRouterAndRetrieveChannelIdentifiersUsingDefaultConversionService() {
final QueueChannel testChannel1 = new QueueChannel();
final QueueChannel testChannel2 = new QueueChannel();
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
@SuppressWarnings("unchecked")
protected List<Object> getChannelKeys(Message<?> message) {
return CollectionUtils.arrayToList(new Integer[] { 100, 200 });
}
};
GenericApplicationContext context = new GenericApplicationContext();
context.getBeanFactory().registerSingleton("100", testChannel1);
context.getBeanFactory().registerSingleton("200", testChannel2);
router.setBeanFactory(context);
context.refresh();
router.handleMessage(new GenericMessage<String>("test"));
Message<?> reply1 = testChannel1.receive(0);
assertEquals("test", reply1.getPayload());
Message<?> reply2 = testChannel2.receive(0);
assertEquals("test", reply2.getPayload());
}
private class CustomObjectWithChannelName {
String channel = "channel1";
@SuppressWarnings("unused")
public String getChannel() {
return this.channel;
}
}
@Test(expected = MessagingException.class)
public void beanFactoryWithRouterAndRetrieveChannelIdentifierUsingDefaultConversionServiceFailing() {
final QueueChannel testChannel1 = new QueueChannel();
AbstractMappingMessageRouter router = new AbstractMappingMessageRouter() {
@SuppressWarnings("unchecked")
protected List<Object> getChannelKeys(Message<?> message) {
return CollectionUtils.arrayToList(new CustomObjectWithChannelName[] { new CustomObjectWithChannelName() });
}
};
GenericApplicationContext context = new GenericApplicationContext();
context.getBeanFactory().registerSingleton("channel1", testChannel1);
context.refresh();
router.setBeanFactory(context);
router.handleMessage(new GenericMessage<String>("test"));
}
}