Arquillian testing

All

Arquillian testing framework helps considerably doing a simple Wildfly/EAP test.

Reasons to be very easy:
1. It is pretty simple to write a test, as any unit test should be and it allows to package the application in one function pretty smothly:

    @Deployment
    public static WebArchive createDeployment()
    {
        System.out.println("create Deployment");

        WebArchive archive = ShrinkWrap.create(WebArchive.class, "sample.war")
                .addPackage("com.example")
                .addAsWebInfResource(EmptyAsset.INSTANCE, "beans.xml")
                .addAsResource("validation.xml", "META-INF/validation.xml");

        System.out.println(archive.toString(true));

        archive.as(ZipExporter.class).exportTo(new File("/tmp/" + archive.getName()), true);

        return archive;
    }

2. Using arquilllian.xml enables to select a certain specific container to be deployed, as little as the lines below to select the container:

  </container>
  <container qualifier="arquillian-wildfly-managed">
    <configuration>
      <property name="chameleonTarget">${chameleon.target}</property>
      <property name="serverConfig">standalone-full.xml</property>
    </configuration>
  </container>

3. Testing is pretty straightforward

    @Test
    public void Test1() throws Exception
    {
        System.out.println("Calling URI: " + serviceUri.toString()); //to show the url being called

        final String targetUrl = serviceUri.toString() + "hello";
        log.info("The target URL is: {}", targetUrl);
        ResteasyClient client = new ResteasyClientBuilder().build();
        ResteasyWebTarget target = client.target(targetUrl);
        ValidatedJaxRsInterface validatedJaxRs = target.proxy(ValidateJaxRsInt.class);
        try
        {
            log.info("Testing");
            log.info("Validated call responded with: {}", validation.Hello());
        }
        catch (Exception exception)
        {
            log.error("Got an error when calling the validated endpoint: {}", exception.getMessage(),exception);
            if (exception instanceof BadRequestException)
            {
                BadRequestException exp = (BadRequestException) exception;
                log.error("The response was bad request :/ {}", exp.getMessage());
            }
        }
        log.info("Calling validation.Hello");
    }

4. One can use chameleon or wildfly arquillian straight on the pom to get the container, like below:

    <configuration>
      <forkCount>1</forkCount>
      <redirectTestOutputToFile>false</redirectTestOutputToFile>
      <systemPropertyVariables>
        <arquillian.launch>arquillian-wildfly-${container.type}</arquillian.launch>
        <chameleon.target>jboss eap:${jboss.version}:${container.type}</chameleon.target>
      </systemPropertyVariables>
    </configuration>

Depending on the EAP version one should use the wildfly arquillian container image instead, see difference below:

<!-- Arquillian Chameleon -->
    <dependency>
      <groupId>org.arquillian.universe</groupId>
      <artifactId>arquillian-chameleon</artifactId>
      <type>pom</type>
      <scope>test</scope>
    </dependency> 


<!--- wildfly-arquillian-container-managed -->
    <dependency>
      <groupId>org.wildfly.arquillian</groupId>
      <artifactId>wildfly-arquillian-container-managed</artifactId>
      <scope>test</scope>
    </dependency>

5. Adding validation becomes almost trivial with the validation.xml file:

   <executable-validation enabled="true">
    <default-validated-executable-types>
      <executable-type>CONSTRUCTORS</executable-type>
      <executable-type>NON_GETTER_METHODS</executable-type>
    </default-validated-executable-types>
  </executable-validation>

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