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You can see the tests in the camel-example-cdi-osgi example for a complete working example of testing a Camel CDI application deployed in an OSGi container using PAX Exam.

Testing Patterns

You can see the tests in the camel-example-cdi-test example for a thorough overview of the following testing patterns for Camel CDI applications.

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void advice(@Observes CamelContextStartingEvent event,
            @Uri("mock:test") MockEndpoint messages,
            ModelCamelContext context) throws Exception {

    context.getRouteDefinition("route")
        .adviceWith(context, new AdviceWithRouteBuilder() {
            @Override
            public void configure() {
                weaveAddLast().to("mock:test");
            }
        });
}

Bean alternatives

Test routes

Camel context customisation

JUnit rules

Camel CDI test starts the CDI container after all the JUnit class rules have executed.

That way, you can use JUnit class rules to initialise (resp. clean-up) resources that your test classes would require during their execution before the container initialises (resp. after the container has shutdown). For example, you could use an embedded JMS broker like ActiveMQ Artemis to test your Camel JMS application, e.g.:

import org.apache.activemq.artemis.jms.server.embedded.EmbeddedJMS;
 
@RunWith(CamelCdiRunner.class)
public class CamelCdiTest {
 
    @ClassRule
    public static final ExternalResource resources = new ExternalResource() {

        private final EmbeddedJMS jms = new EmbeddedJMS();

        @Override
        protected void before() throws Exception {
            jms.start();
        }
        @Override
        protected void after() throws Exception {
            jms.stop();
        }
    };
 
    @Inject
    @Uri("jms:destination")
    private ProducerTemplate producer;
 
    @Test
    public void sendMessage() {
        producer.sendBody("message");
    }
}

Another use case is to assert the behaviour of your application after it has shutdown. In that case, you can use the Verifier rule, e.g.:

@RunWith(CamelCdiRunner.class)
public class CamelCdiTest {
 
    @ClassRule
    public static Verifier verifier = new Verifier() {
 
        @Override
        protected void verify() {
            // Executes after the CDI container has shutdown
        }
    };
}

See Also

• CDI component
• Arquillian Web site
• ShrinkWrap Descriptors
• Creating Deployable Archives with ShrinkWrap
• PAX Exam