
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.CoreOptions.equinox;
import static org.ops4j.pax.exam.CoreOptions.felix;
import static org.ops4j.pax.exam.CoreOptions.options;
import static org.ops4j.pax.exam.container.def.PaxRunnerOptions.profile;
import static org.ops4j.pax.exam.container.def.PaxRunnerOptions.scanFeatures;
import static org.ops4j.pax.exam.container.def.PaxRunnerOptions.workingDirectory;

@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 = options(
            // install the spring dm profile            
            profile("spring.dm").version("1.2.0"),    
            // this is how you set the default log level when using pax logging (logProfile)
            org.ops4j.pax.exam.CoreOptions.systemProperty("org.ops4j.pax.logging.DefaultServiceLog.level").value("INFO"),
            
            // using the features to install the camel components             
            scanFeatures(getCamelKarafFeatureUrl(),                         
                          "camel-core", "camel-spring", "camel-test", "camel-velocity"),
            
            workingDirectory("target/paxrunner/"),

            felix(), equinox());
        
        return options;
    }
}