/*
* 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.gateway;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import org.junit.Test;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.handler.AbstractReplyProducingMessageHandler;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.Message;
/**
* @author Mark Fisher
* @author Gary Russell
*/
public class NestedGatewayTests {
@Test
public void nestedWithinHandler() {
DirectChannel innerChannel = new DirectChannel();
DirectChannel outerChannel = new DirectChannel();
innerChannel.subscribe(new AbstractReplyProducingMessageHandler() {
@Override
protected Object handleRequestMessage(Message<?> requestMessage) {
return requestMessage.getPayload() + "-reply";
}
});
final MessagingGatewaySupport innerGateway = new MessagingGatewaySupport() { };
innerGateway.setRequestChannel(innerChannel);
innerGateway.setBeanFactory(mock(BeanFactory.class));
innerGateway.afterPropertiesSet();
outerChannel.subscribe(new AbstractReplyProducingMessageHandler() {
@Override
protected Object handleRequestMessage(Message<?> requestMessage) {
return innerGateway.sendAndReceiveMessage(
"pre-" + requestMessage.getPayload()).getPayload() + "-post";
}
});
MessagingGatewaySupport outerGateway = new MessagingGatewaySupport() { };
outerGateway.setRequestChannel(outerChannel);
outerGateway.setBeanFactory(mock(BeanFactory.class));
outerGateway.afterPropertiesSet();
Message<?> reply = outerGateway.sendAndReceiveMessage("test");
assertEquals("pre-test-reply-post", reply.getPayload());
}
@Test
public void replyChannelRetained() {
DirectChannel requestChannel = new DirectChannel();
DirectChannel replyChannel = new DirectChannel();
requestChannel.subscribe(new AbstractReplyProducingMessageHandler() {
@Override
protected Object handleRequestMessage(Message<?> requestMessage) {
return requestMessage.getPayload() + "-reply";
}
});
MessagingGatewaySupport gateway = new MessagingGatewaySupport() { };
gateway.setRequestChannel(requestChannel);
gateway.setBeanFactory(mock(BeanFactory.class));
gateway.afterPropertiesSet();
Message<?> message = MessageBuilder.withPayload("test")
.setReplyChannel(replyChannel).build();
Message<?> reply = gateway.sendAndReceiveMessage(message);
assertEquals("test-reply", reply.getPayload());
assertEquals(replyChannel, reply.getHeaders().getReplyChannel());
}
@Test
public void errorChannelRetained() {
DirectChannel requestChannel = new DirectChannel();
DirectChannel errorChannel = new DirectChannel();
requestChannel.subscribe(new AbstractReplyProducingMessageHandler() {
@Override
protected Object handleRequestMessage(Message<?> requestMessage) {
return requestMessage.getPayload() + "-reply";
}
});
MessagingGatewaySupport gateway = new MessagingGatewaySupport() { };
gateway.setRequestChannel(requestChannel);
gateway.setBeanFactory(mock(BeanFactory.class));
gateway.afterPropertiesSet();
Message<?> message = MessageBuilder.withPayload("test")
.setErrorChannel(errorChannel).build();
Message<?> reply = gateway.sendAndReceiveMessage(message);
assertEquals("test-reply", reply.getPayload());
assertEquals(errorChannel, reply.getHeaders().getErrorChannel());
}
}