Page History

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Here is the Camel Test example: Wiki Markup{snippet:lang=java|id=example|url=camel/trunk/components/camel-test/src/test/java/org/apache/camel/test/patterns/FilterTest.java}Notice how it derives from the Camel helper class CamelTestSupport but has no CDI, Spring or Guice dependency injection configuration but instead overrides the createRouteBuilder() method.

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Here is the CDI Testing example: Wiki Markup{snippet:lang=java|id=example|url=camel/trunk/components/camel-test-cdi/src/test/java/org/apache/camel/test/cdi/FilterTest.java}You can find more testing patterns illustrated in the camel-example-cdi-test example and the test classes that come with it.

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Here is the Spring Testing example using XML Config: Wiki Markup{snippet:lang=java|id=example|url=camel/trunk/components/camel-spring/src/test/java/org/apache/camel/spring/patterns/FilterTest.java}Notice that we use @DirtiesContext on the test methods to force Spring Testing to automatically reload the CamelContext after each test method - this ensures that the tests don't clash with each other, e.g., one test method sending to an endpoint that is then reused in another test method.

Also note the use of @ContextConfiguration to indicate that by default we should look for the FilterTest-context.xml on the classpath to configure the test case which looks like this: Wiki Markup{snippet:lang=xml|id=example|url=camel/trunk/components/camel-spring/src/test/resources/org/apache/camel/spring/patterns/FilterTest-context.xml}

Spring Test with Java Config Example

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For more information see Spring Java Config. Wiki Markup{snippet:lang=java|id=example|url=camel/trunk/components/camel-spring-javaconfig/src/test/java/org/apache/camel/spring/javaconfig/patterns/FilterTest.java}This is similar to the XML Config example above except that there is no XML file and instead the nested ContextConfig class does all of the configuration; so your entire test case is contained in a single Java class. We currently have to reference by class name this class in the @ContextConfiguration which is a bit ugly. Please vote for SJC-238 to address this and make Spring Test work more cleanly with Spring JavaConfig.

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Since Camel 2.11.0 you can use the CamelSpringJUnit4ClassRunner with CamelSpringDelegatingTestContextLoader like example using Java Config with CamelSpringJUnit4ClassRunner: Wiki Markup{snippet:lang=java|id=example|url=camel/trunk/components/camel-spring-javaconfig/src/test/java/org/apache/camel/spring/javaconfig/test/CamelSpringDelegatingTestContextLoaderTest.java}

Spring Test with XML Config and Declarative Configuration Example

Here is a Camel test support enhanced Spring Testing example using XML Config and pure Spring Test based configuration of the Camel Context: Wiki Markup{snippet:lang=java|id=e1|url=camel/trunk/components/camel-test-spring/src/test/java/org/apache/camel/test/spring/CamelSpringJUnit4ClassRunnerPlainTest.java}Notice how a custom test runner is used with the @RunWith annotation to support the features of CamelTestSupport through annotations on the test class. See Spring Testing for a list of annotations you can use in your tests.

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Here is the Blueprint Testing example using XML Config: Wiki Markup{snippet:lang=java|id=example|url=camel/trunk/components/camel-test-blueprint/src/test/java/org/apache/camel/test/blueprint/DebugBlueprintTest.java}Also notice the use of getBlueprintDescriptors to indicate that by default we should look for the camelContext.xml in the package to configure the test case which looks like this: Wiki Markup{snippet:lang=xml|id=example|url=camel/trunk/components/camel-test-blueprint/src/test/resources/org/apache/camel/test/blueprint/camelContext.xml}

Testing Endpoints

Camel provides a number of endpoints which can make testing easier.

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