run_configuration.txt

-Dcactus.contextURL=http://localhost:8080/test
-Dcactus.jetty.resourceDir=./WebContent
-Dcactus.jetty.config=./test/jetty.xml

StringReverseAction.java

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;



public class StringReverseAction extends Action {

	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		// reverse parameter 'value'
		final String value = new StringBuilder(request.getParameter("value")).reverse().toString();
		request.setAttribute("result", value.toString());
		return mapping.findForward("success");
	}
	
}

StringReverseActionTest.java

import junit.framework.Test;
import junit.framework.TestSuite;

import org.apache.cactus.ServletTestCase;
import org.apache.cactus.extension.jetty.Jetty6xTestSetup;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForward;


public class StringReverseActionTest extends ServletTestCase {

	public static Test suite() {
		TestSuite suite = new TestSuite();

		suite.addTestSuite(StringReverseActionTest.class);

		return new Jetty6xTestSetup(suite);
	}
	
	public void testExecute() throws Exception {
		Action action = new StringReverseAction();
		ActionForward forward = action.execute(null, null, request, response);
		assertNotNull(forward);
		assertEquals("/success.jsp", forward.getPath());
	}
}