CatFilter.java

public class CatFilter implements Filter
{

   @Inject
   Sewer sewer;

   public void init(FilterConfig filterConfig) throws ServletException
   {
      isSewerNameOk();
   }

   public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException
   {
      ((HttpServletResponse) response).setStatus(isSewerNameOk() ? HttpServletResponse.SC_OK : HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
   }

   public void destroy()
   {
      isSewerNameOk();
   }

   private boolean isSewerNameOk() throws NullPointerException
   {
      return Sewer.NAME.equals(sewer.getName());
   }
}

FilterInjectionTest.java

@RunWith(Arquillian.class)
@Run(AS_CLIENT)
public class FilterInjectionTest
{
   
   public static final Asset WEB_XML = new ByteArrayAsset(("<web-app><listener><listener-class>org.jboss.weld.environment.servlet.Listener</listener-class></listener> <filter><filter-name>Cat Filter</filter-name><filter-class>" + CatFilter.class.getName() + "</filter-class></filter><filter-mapping><filter-name>Cat Filter</filter-name><url-pattern>/cat</url-pattern></filter-mapping></web-app>").getBytes());
   
   @Deployment
   public static WebArchive deployment()
   {
      return DeploymentDescriptor.deployment(WEB_XML).addClasses(CatFilter.class, Sewer.class);
   }
   
   @Test
   public void testFilterInjection() throws Exception
   {
      HttpClient client = new HttpClient();
      HttpMethod method = new GetMethod(CONTEXT_PATH + "/cat");
      int sc = client.executeMethod(method);
      assert sc == HttpServletResponse.SC_OK;
   }
}