camel-2.8.x/camel-core/src/test/java/org/apache/camel/processor/SplitWithEndTest.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 java.util.List;

import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.Navigate;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.processor.aggregate.AggregationStrategy;

/**
 * @version 
 */
public class SplitWithEndTest extends ContextTestSupport {

    @SuppressWarnings("unchecked")
    public void testRouteIsCorrectAtRuntime() throws Exception {
        // use navigate to find that the end works as expected
        Navigate<Processor> nav = context.getRoutes().get(0).navigate();
        List<Processor> node = nav.next();
        node = ((Navigate) node.get(0)).next();

        // there should be 4 outputs as the end in the otherwise should
        // ensure that the transform and last send is not within the choice
        assertEquals(4, node.size());
        // the navigate API is a bit simple at this time of writing so it does take a little
        // bit of ugly code to find the correct processor in the runtime route
        assertIsInstanceOf(SendProcessor.class, unwrapChannel(node.get(0)).getNextProcessor());
        assertIsInstanceOf(Splitter.class, unwrapChannel(node.get(1)).getNextProcessor());
        assertIsInstanceOf(TransformProcessor.class, unwrapChannel(node.get(2)).getNextProcessor());
        assertIsInstanceOf(SendProcessor.class, unwrapChannel(node.get(3)).getNextProcessor());
    }

    public void testSplit() throws Exception {
        getMockEndpoint("mock:start").expectedBodiesReceived("Hello,World,Moon");
        getMockEndpoint("mock:last").expectedBodiesReceived("last hi Hello@hi World@hi Moon");

        template.sendBody("direct:start", "Hello,World,Moon");

        assertMockEndpointsSatisfied();
    }


    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                context.setTracing(true);

                MySplitBean bean = new MySplitBean();

                from("direct:start")
                    .to("mock:start")
                    .split(body().tokenize(","),
                            new AggregationStrategy() {
                                public Exchange aggregate(Exchange oldExchange, Exchange newExchange) {
                                    if (oldExchange == null) {
                                        return newExchange;
                                    }
                                    String body = oldExchange.getIn().getBody(String.class);
                                    String newBody = newExchange.getIn().getBody(String.class);
                                    newExchange.getIn().setBody(body + "@" + newBody);
                                    return newExchange;
                                }
                            })
                        .bean(bean, "hi").to("mock:split").to("log:foo")
                    .end()
                    .transform(body().prepend("last "))
                    .to("mock:last");
            }
        };
    }

    public class MySplitBean {

        public String hi(String s) {
            return "hi " + s;
        }

    }

}