FaultRouteTest.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.processor;

import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.processor.interceptor.HandleFault;

/**
 * @version 
 */
public class FaultRouteTest extends ContextTestSupport {
    protected MockEndpoint a;
    protected MockEndpoint b;
    protected MockEndpoint c;
    protected MockEndpoint err;

    public void testWithOut() throws Exception {
        a.whenExchangeReceived(1, new Processor() {
            public void process(Exchange exchange) throws Exception {
                exchange.getOut().setBody("out");
            }
        });
        a.expectedMessageCount(1);
        b.expectedBodiesReceived("out");

        template.sendBody("direct:start", "in");

        assertMockEndpointsSatisfied();
    }

    public void testWithFault() throws Exception {
        a.whenExchangeReceived(1, new Processor() {
            public void process(Exchange exchange) throws Exception {
                exchange.getOut().setFault(true);
                exchange.getOut().setBody("fault");
            }
        });
        a.expectedMessageCount(1);
        b.expectedMessageCount(0);

        Exchange response = template.request("direct:start", new Processor() {
            public void process(Exchange exchange) throws Exception {
                exchange.getIn().setBody("in");
            }
        });
        assertMockEndpointsSatisfied();

        assertFalse("Fault should be removed", response.hasOut());
        assertNotNull("Should have exception", response.getException());
        assertEquals("fault", response.getException().getMessage());
    }

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        a = resolveMandatoryEndpoint("mock:a", MockEndpoint.class);
        b = resolveMandatoryEndpoint("mock:b", MockEndpoint.class);
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() {
                getContext().addInterceptStrategy(new HandleFault());

                from("direct:start").to("mock:a").to("mock:b");
            }
        };
    }
}