/*
* 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.junit.Assert.assertTrue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.integration.endpoint.SourcePollingChannelAdapter;
import org.springframework.messaging.SubscribableChannel;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Oleg Zhurakousky
* @author Gunnar Hillert
* @author Artem Bilan
*
*/
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
public class InnerGatewayWithChainTests {
@Autowired
private TestGateway testGatewayWithErrorChannelA;
@Autowired
private TestGateway testGatewayWithErrorChannelAA;
@Autowired
private TestGateway testGatewayWithNoErrorChannelAAA;
@Autowired
private SourcePollingChannelAdapter inboundAdapterDefaultErrorChannel;
@Autowired
private SourcePollingChannelAdapter inboundAdapterAssignedErrorChannel;
@Autowired
private SubscribableChannel errorChannel;
@Autowired
private SubscribableChannel assignedErrorChannel;
@Test
public void testExceptionHandledByMainGateway() {
String reply = testGatewayWithErrorChannelA.echo(5);
assertEquals("ERROR from errorChannelA", reply);
}
@Test
public void testExceptionHandledByMainGatewayNoErrorChannelInChain() {
String reply = testGatewayWithErrorChannelAA.echo(0);
assertEquals("ERROR from errorChannelA", reply);
}
@Test
public void testExceptionHandledByInnerGateway() {
String reply = testGatewayWithErrorChannelA.echo(0);
assertEquals("ERROR from errorChannelB", reply);
}
// if no error channels explicitly defined exception is rethrown
@Test(expected = ArithmeticException.class)
public void testGatewaysNoErrorChannel() {
testGatewayWithNoErrorChannelAAA.echo(0);
}
@Test
public void testWithSPCADefaultErrorChannel() throws Exception {
CountDownLatch errorLatch = new CountDownLatch(1);
errorChannel.subscribe(message -> errorLatch.countDown());
inboundAdapterDefaultErrorChannel.start();
assertTrue(errorLatch.await(10, TimeUnit.SECONDS));
inboundAdapterDefaultErrorChannel.stop();
}
@Test
public void testWithSPCAAssignedErrorChannel() throws Exception {
CountDownLatch errorLatch = new CountDownLatch(1);
assignedErrorChannel.subscribe(message -> errorLatch.countDown());
inboundAdapterAssignedErrorChannel.start();
assertTrue(errorLatch.await(10, TimeUnit.SECONDS));
inboundAdapterAssignedErrorChannel.stop();
}
public interface TestGateway {
String echo(int value);
}
}