JettySimulateInOnlyTest.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.jetty;

import org.apache.camel.Exchange;
import org.apache.camel.ExchangePattern;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.junit.Test;

/**
 * @version 
 */
public class JettySimulateInOnlyTest extends BaseJettyTest {

    private static String route = "";

    @Override
    public boolean isUseRouteBuilder() {
        return false;
    }

    @Test
    public void testSimulateInOnlyUsingWireTap() throws Exception {
        context.addRoutes(new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                // START SNIPPET: e1
                from("jetty://http://localhost:{{port}}/myserver")
                    // turn the route to in only as we do not want jetty to wait for the response
                    // we can do this using the wiretap EIP pattern
                    .wireTap("direct:continue")
                    // and then construct a canned empty response
                    .transform(constant("OK"));

                from("direct:continue")
                        .delay(1500)
                        .process(new Processor() {
                            public void process(Exchange exchange) throws Exception {
                                route += "B";
                            }
                        }).
                        to("mock:result");
                // END SNIPPET: e1
            }
        });
        context.start();

        route = "";

        MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedMessageCount(1);
        mock.expectedHeaderReceived("foo", "bar");

        String reply = template.requestBody("http://localhost:{{port}}/myserver?foo=bar", null, String.class);
        route += "A";
        assertEquals("OK", reply);

        assertMockEndpointsSatisfied();

        assertEquals("AB", route);
    }

    @Test
    public void testSimulateInOnly() throws Exception {
        context.addRoutes(new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("jetty://http://localhost:{{port}}/myserver")
                    // turn the route to in only as we do not want jetty to wait for the response
                    // we can do this by changing the MEP and sending to a seda endpoint to spin off
                    // a new thread continue doing the routing
                    .setExchangePattern(ExchangePattern.InOnly)
                    .to("seda:continue")
                    // and then construct a canned empty response
                    .transform(constant("OK"));

                from("seda:continue")
                        .delay(1000)
                        .process(new Processor() {
                            public void process(Exchange exchange) throws Exception {
                                route += "B";
                            }
                        }).
                        to("mock:result");
            }
        });
        context.start();

        route = "";

        MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedMessageCount(1);
        mock.expectedHeaderReceived("foo", "bar");

        String reply = template.requestBody("http://localhost:{{port}}/myserver?foo=bar", null, String.class);
        route += "A";
        assertEquals("OK", reply);

        assertMockEndpointsSatisfied();

        assertEquals("AB", route);
    }

}