/*
* Copyright (C) Scott Cranton and Jakub Korab
* https://github.com/CamelCookbook
*
* 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.camelcookbook.transactions.idempotentconsumer;
import org.apache.camel.CamelExecutionException;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.test.spring.CamelSpringTestSupport;
import org.junit.Test;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
/**
* Tests that demonstrate the behavior of idempotent consumption.
*/
public class IdempotentConsumerMultipleEndpointsSpringTest extends CamelSpringTestSupport {
@Override
protected AbstractApplicationContext createApplicationContext() {
return new ClassPathXmlApplicationContext("META-INF/spring/idempotentConsumerMultipleEndpoints-context.xml");
}
@Test
public void testErrorWithinBlockWillEnableBlockReentry() throws InterruptedException {
MockEndpoint mockWs = getMockEndpoint("mock:ws");
mockWs.whenExchangeReceived(1, new Processor() {
@Override
public void process(Exchange exchange) throws Exception {
throw new IllegalStateException("System is down");
}
});
// the web service should be invoked twice
// the IdempotentRepository should remove the fact that it has seen this message before
mockWs.setExpectedMessageCount(2);
MockEndpoint mockOut = getMockEndpoint("mock:out");
mockOut.setExpectedMessageCount(1);
try {
template.sendBodyAndHeader("direct:in", "Insert", "messageId", 1);
fail("No exception thrown");
} catch (CamelExecutionException cee) {
assertEquals("System is down", cee.getCause().getMessage());
}
template.sendBodyAndHeader("direct:in", "Insert", "messageId", 1); // again
assertMockEndpointsSatisfied();
}
@Test
public void testErrorAfterBlockWillMeanBlockNotReentered() throws InterruptedException {
MockEndpoint mockWs = getMockEndpoint("mock:ws");
// the web service should be invoked once only
mockWs.setExpectedMessageCount(1);
MockEndpoint mockOut = getMockEndpoint("mock:out");
mockOut.whenExchangeReceived(1, new Processor() {
@Override
public void process(Exchange exchange) throws Exception {
throw new IllegalStateException("Out system is down");
}
});
mockOut.setExpectedMessageCount(2);
try {
template.sendBodyAndHeader("direct:in", "Insert", "messageId", 1);
fail("No exception thrown");
} catch (CamelExecutionException cee) {
assertEquals("Out system is down", cee.getCause().getMessage());
}
template.sendBodyAndHeader("direct:in", "Insert", "messageId", 1); // again
assertMockEndpointsSatisfied();
}
}