trunk/tests/camel-itest-osgi/src/test/java/org/apache/camel/itest/osgi/velocity/VelocityTest.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.itest.osgi.velocity;

import org.apache.camel.Exchange;
import org.apache.camel.InvalidPayloadException;
import org.apache.camel.Message;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.itest.osgi.OSGiIntegrationTestSupport;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.ops4j.pax.exam.Option;
import org.ops4j.pax.exam.junit.Configuration;
import org.ops4j.pax.exam.junit.JUnit4TestRunner;

import static org.ops4j.pax.exam.OptionUtils.combine;
import static org.ops4j.pax.exam.container.def.PaxRunnerOptions.scanFeatures;

@RunWith(JUnit4TestRunner.class)
public class VelocityTest extends OSGiIntegrationTestSupport {
    
    @Test
    public void testReceivesResponse() throws Exception {        
        assertRespondsWith("foo", "<header>foo</header><hello>foo</hello>");
        assertRespondsWith("bar", "<header>bar</header><hello>bar</hello>");
    }

    protected void assertRespondsWith(final String value, String expectedBody) throws InvalidPayloadException {
        Exchange response = template.request("direct:a", new Processor() {
            public void process(Exchange exchange) throws Exception {
                Message in = exchange.getIn();
                in.setBody("answer");
                in.setHeader("cheese", value);
            }
        });
        assertOutMessageBodyEquals(response, expectedBody);
    }

    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {
            public void configure() {
                from("direct:a").
                        to("velocity:org/apache/camel/itest/osgi/velocity/example.vm");
            }
        };
    }
    
    @Configuration
    public static Option[] configure() {
        Option[] options = combine(
            getDefaultCamelKarafOptions(),
            // using the features to install the other camel components             
            scanFeatures(getCamelKarafFeatureUrl(), "camel-velocity"));
        
        return options;
    }
    
   
}