components/camel-mina/src/test/java/org/apache/camel/component/mina/MinaTcpWithIoOutProcessorExceptionTest.java

/**
 * 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.component.mina;

import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.junit.Test;

/**
 * To unit test CAMEL-364.
 */
public class MinaTcpWithIoOutProcessorExceptionTest extends BaseMinaTest {

    @Test
    public void testExceptionThrownInProcessor() {
        String body = "Hello World";
        Object result = template.requestBody("mina:tcp://localhost:{{port}}?textline=true&sync=true", body);
        // The exception should be passed to the client
        assertNotNull("the result should not be null", result);
        assertEquals("result is IllegalArgumentException", result, "java.lang.IllegalArgumentException: Forced exception");
    }

    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {
            public void configure() {
                // use no delay for fast unit testing
                errorHandler(defaultErrorHandler().maximumRedeliveries(2));

                from("mina:tcp://localhost:{{port}}?textline=true&sync=true").process(new Processor() {
                    public void process(Exchange e) {
                        assertEquals("Hello World", e.getIn().getBody(String.class));
                        // simulate a problem processing the input to see if we can handle it properly
                        throw new IllegalArgumentException("Forced exception");
                    }
                });
            }
        };
    }

}