/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.processor.enricher;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.apache.camel.CamelContext;
import org.apache.camel.CamelExchangeException;
import org.apache.camel.CamelExecutionException;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.processor.aggregate.AggregationStrategy;
import org.apache.camel.processor.async.MyAsyncComponent;
import org.apache.camel.spi.ShutdownStrategy;
import org.junit.Test;
/**
* @version
*/
public class EnricherAsyncUnhandledExceptionTest extends ContextTestSupport {
@Test
public void testInOutWithRequestBody() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:pickedUp");
mock.expectedMessageCount(1);
// this direct endpoint should receive an exception
try {
Future<Object> obj = template.asyncRequestBody("direct:in", "Hello World");
// wait five seconds at most; else, let's assume something went wrong
obj.get(5000, TimeUnit.MILLISECONDS);
} catch (Exception e) {
// if we receive an exception, the async routing engine is working correctly
// before the Enricher was fixed for cases where routing was async and the AggregationStrategy
// threw an exception, the call to requestBody would stall indefinitely
// unwrap the exception chain
assertTrue(e instanceof ExecutionException);
assertTrue(e.getCause() instanceof CamelExecutionException);
assertTrue(e.getCause().getCause() instanceof CamelExchangeException);
assertTrue(e.getCause().getCause().getCause() instanceof RuntimeException);
assertTrue(e.getCause().getCause().getCause().getMessage().equals("Bang! Unhandled exception"));
mock.assertIsSatisfied();
return;
}
fail("Expected an RuntimeException");
}
protected CamelContext createCamelContext() throws Exception {
CamelContext camelContext = super.createCamelContext();
ShutdownStrategy shutdownStrategy = camelContext.getShutdownStrategy();
camelContext.addComponent("async", new MyAsyncComponent());
shutdownStrategy.setTimeout(1000);
shutdownStrategy.setTimeUnit(TimeUnit.MILLISECONDS);
shutdownStrategy.setShutdownNowOnTimeout(true);
return camelContext;
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
public void configure() throws Exception {
from("direct:in")
.to("mock:pickedUp")
// using the async utility component to ensure that the async routing engine kicks in
.enrich("async:out?reply=Reply", new AggregationStrategy() {
@Override
public Exchange aggregate(Exchange oldExchange, Exchange newExchange) {
throw new RuntimeException("Bang! Unhandled exception");
}
});
}
};
}
}