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1. Save the input-customer1.xml file to src/test/resources
2. Save your XSLT file (created in the previous step) to src/main/resources
3. Write a Camel Route, either right in the Spring XML, or using the Java DSL (in another class under src/test/java somewhere). This route should use the Pipes and Filters integration pattern to:
   1. Start from the endpoint direct:start (which lets the test conveniently pass messages into the route)
   2. Call the endpoint xslt:YourXSLTFile.xsl to transform the message
   3. Send the result to the endpoint mock:finish (which lets the test verify the route output)
4. Add a test method to the unit test class that:
   1. Get a reference to the Mock endpoint mock:finish using code like this:

      Code Block
      java java
      MockEndpoint finish = MockEndpoint.resolve(camelContext, "mock:finish");

   2. Set the expectedMessageCount on that endpoint to 1
   3. Get a reference to the Customer 1 input file, using code like this:

      Code Block
      java java
      InputStream in = XMLInputTest.class.getResourceAsStream("/input-partner1.xml"); assertNotNull(in);

   4. Send that InputStream as a message to the direct:start endpoint, using code like this:

      Code Block
      java java
      template.sendBody("direct:start", in);

   5. Ensure that the message made it through the route to the final endpoint, by testing all configured Mock endpoints like this:

      Code Block
      java java
      MockEndpoint.assertIsSatisfied(camelContext);

   6. If you like, inspect the final message body using some code like finish.getExchanges().get(0).getIn().getBody().
      • If you do this, you'll need to know what format that body is – String, byte array, InputStream, etc.
5. Run your test with mvn install and make sure the build completes successfully.

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