FirstMockTest.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 camelinaction;

import org.apache.camel.CamelContext;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;

/**
 * Our first unit test using the Mock component
 *
 * @version $Revision$
 */
public class FirstMockTest extends CamelTestSupport {

    @Override
    protected CamelContext createCamelContext() throws Exception {
        CamelContext context = super.createCamelContext();
        // replace JMS with SEDA which we can do in this case as seda is a very very basic
        // in memory JMS broker ;). This is of course only possible to switch for a few components.
        context.addComponent("jms", context.getComponent("seda"));
        return context;
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                // a simple route which listen on messages on a JMS topic
                from("jms:topic:quote").to("mock:quote");
            }
        };
    }

    @Test
    public void testQuote() throws Exception {
        // get the mock endpoint
        MockEndpoint quote = getMockEndpoint("mock:quote");
        // set expectations such as 1 message should arrive
        quote.expectedMessageCount(1);

        // fire in a message to Camel
        template.sendBody("jms:topic:quote", "Camel rocks");

        // verify the result
        quote.assertIsSatisfied();
    }

    @Test
    public void testSameMessageArrived() throws Exception {
        // get the mock endpoint
        MockEndpoint quote = getMockEndpoint("mock:quote");
        // set expectations that the same message arrived as we send
        quote.expectedBodiesReceived("Camel rocks");

        // fire in a message to Camel
        template.sendBody("jms:topic:quote", "Camel rocks");

        // verify the result
        quote.assertIsSatisfied();
    }

    @Test
    public void testTwoMessages() throws Exception {
        // get the mock endpoint
        MockEndpoint quote = getMockEndpoint("mock:quote");
        // set expectations the two messages arrives in any order
        quote.expectedBodiesReceivedInAnyOrder("Camel rocks", "Hello Camel");

        // fire in a messages to Camel
        template.sendBody("jms:topic:quote", "Hello Camel");
        template.sendBody("jms:topic:quote", "Camel rocks");

        // verify the result
        quote.assertIsSatisfied();
    }

    @Test
    public void testTwoMessagesOrdered() throws Exception {
        // get the mock endpoint
        MockEndpoint quote = getMockEndpoint("mock:quote");
        // set expectations the two messages arrives in specified order
        quote.expectedBodiesReceived("Hello Camel", "Camel rocks");

        // fire in a messages to Camel
        template.sendBody("jms:topic:quote", "Hello Camel");
        template.sendBody("jms:topic:quote", "Camel rocks");

        // verify the result
        quote.assertIsSatisfied();
    }

    @Test
    public void testContains() throws Exception {
        // get the mock endpoint
        MockEndpoint quote = getMockEndpoint("mock:quote");
        // set expectations the two messages arrives in specified order
        quote.expectedMessageCount(2);
        // all messages should contain the Camel word
        quote.allMessages().body().contains("Camel");

        // fire in a messages to Camel
        template.sendBody("jms:topic:quote", "Hello Camel");
        template.sendBody("jms:topic:quote", "Camel rocks");

        // verify the result
        quote.assertIsSatisfied();
    }
}