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Subject: RE: MockStrutsTestCase, action method with form data
Date: Wed, 8 Jun 2005 11:14:07 -0700
Message-ID: 
 <4DEF16167D0B3A4889E4C5940F9E5B1C057C6CCC@cacexc03.americas.cpqcorp.net>
Thread-Topic: MockStrutsTestCase, action method with form data
thread-index: AcVsS0Q/ZgFv8yzEQAWCjDDXexw4ywACVD7w
From: "Yee, Sunny K" <sunny.yee@hp.com>
To: "Beehive Users" <beehive-user@incubator.apache.org>

Hi Richard,

I subclassed from MockPageFlowTestCase, and ran the test case, resulting
in the same exception with a console warning.  It doesn't look like that
I set the first parameter value correctly to AddUpdateExpression.   I
tried different values, and each one doesn't work:=20

addUpdateExpression("username", "testuser")
addUpdateExpression("actionForm.username", "testuser")
addUpdateExpression("LoginForm.username", "testuser")

Warning message in console:

NetUI Warning: Unable to update expression "{username}".  The typical
cause is that the object represented by the expression is not available
or is the wrong type for updating.  Cause:
org.apache.beehive.netui.script.ExpressionUpdateException: Exception
when attempting to update the expression "{username}" with available
binding contexts [actionForm, pageFlow, globalApp]. Root cause:
org.apache.beehive.netui.script.IllegalExpressionException: Could not
resolve variable named "username" for an expression update.

Stack trace:

servletunit.struts.ExceptionDuringTestError: An uncaught exception was
thrown during actionExecute()
	at
servletunit.struts.MockStrutsTestCase.actionPerform(MockStrutsTestCase.j
ava:409)
	at
com.hp.frameworks.wpa.test.preprocessor.MockPageFlowTestCase.runAction(M
ockPageFlowTestCase.java:84)
	at
com.hp.frameworks.wpa.test.preprocessor.TestPreprocessor.testRequestWith
Form(TestPreprocessor.java:80)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
a:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at junit.framework.TestCase.runTest(TestCase.java:154)
	at junit.framework.TestCase.runBare(TestCase.java:127)
	at junit.framework.TestResult$1.protect(TestResult.java:106)
	at junit.framework.TestResult.runProtected(TestResult.java:124)
	at junit.framework.TestResult.run(TestResult.java:109)
	at junit.framework.TestCase.run(TestCase.java:118)
	at junit.framework.TestSuite.runTest(TestSuite.java:208)
	at junit.framework.TestSuite.run(TestSuite.java:203)
	at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTe
stRunner.java:474)
	at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRun
ner.java:342)
	at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRu
nner.java:194)
------------
Root Cause:
------------
javax.servlet.ServletException: Could not find matching action method
for action=3DdoLogin, form=3D[none] in page flow
/com/hp/frameworks/wpa/test/preprocessor/Controller.jpf.
	at
org.apache.beehive.netui.pageflow.internal.DefaultExceptionsHandler.hand
leException(DefaultExceptionsHandler.java:188)
	at
org.apache.beehive.netui.pageflow.FlowController.handleException(FlowCon
troller.java:258)
	at
org.apache.beehive.netui.pageflow.FlowController.internalExecute(FlowCon
troller.java:442)
	at
org.apache.beehive.netui.pageflow.PageFlowController.internalExecute(Pag
eFlowController.java:282)
	at
org.apache.beehive.netui.pageflow.FlowController.execute(FlowController.
java:306)
	at
org.apache.beehive.netui.pageflow.internal.FlowControllerAction.execute(
FlowControllerAction.java:48)
	at
org.apache.struts.action.RequestProcessor.processActionPerform(RequestPr
ocessor.java:421)
	at
org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.access$201(Pa
geFlowRequestProcessor.java:109)
	at
org.apache.beehive.netui.pageflow.PageFlowRequestProcessor$ActionRunner.
execute(PageFlowRequestProcessor.java:1979)
	at
org.apache.beehive.netui.pageflow.interceptor.action.internal.ActionInte
rceptors$WrapActionInterceptorChain.continueChain(ActionInterceptors.jav
a:63)
	at
org.apache.beehive.netui.pageflow.interceptor.action.internal.ActionInte
rceptors.wrapAction(ActionInterceptors.java:86)
	at
org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processAction
Perform(PageFlowRequestProcessor.java:2048)
	at
com.hp.frameworks.wpa.pageflow.action.WpaPageFlowRequestProcessor.proces
sActionPerform(WpaPageFlowRequestProcessor.java:120)
	at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:
226)
	at
org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processIntern
al(PageFlowRequestProcessor.java:592)
	at
org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.process(PageF
lowRequestProcessor.java:856)
	at
org.apache.beehive.netui.pageflow.AutoRegisterActionServlet.process(Auto
RegisterActionServlet.java:600)
	at
org.apache.beehive.netui.pageflow.PageFlowActionServlet.process(PageFlow
ActionServlet.java:163)
	at
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:415)
	at
servletunit.struts.MockStrutsTestCase.actionPerform(MockStrutsTestCase.j
ava:394)
	at
com.hp.frameworks.wpa.test.preprocessor.MockPageFlowTestCase.runAction(M
ockPageFlowTestCase.java:84)
	at
com.hp.frameworks.wpa.test.preprocessor.TestPreprocessor.testRequestWith
Form(TestPreprocessor.java:80)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
a:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at junit.framework.TestCase.runTest(TestCase.java:154)
	at junit.framework.TestCase.runBare(TestCase.java:127)
	at junit.framework.TestResult$1.protect(TestResult.java:106)
	at junit.framework.TestResult.runProtected(TestResult.java:124)
	at junit.framework.TestResult.run(TestResult.java:109)
	at junit.framework.TestCase.run(TestCase.java:118)
	at junit.framework.TestSuite.runTest(TestSuite.java:208)
	at junit.framework.TestSuite.run(TestSuite.java:203)
	at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTe
stRunner.java:474)
	at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRun
ner.java:342)
	at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRu
nner.java:194)
------------
Root Cause:
------------
org.apache.beehive.netui.pageflow.NoMatchingActionMethodException: Could
not find matching action method for action=3DdoLogin, form=3D[none] in =
page
flow /com/hp/frameworks/wpa/test/preprocessor/Controller.jpf.
	at
org.apache.beehive.netui.pageflow.FlowController.getActionMethodForward(
FlowController.java:761)
	at
org.apache.beehive.netui.pageflow.FlowController.internalExecute(FlowCon
troller.java:425)
	at
org.apache.beehive.netui.pageflow.PageFlowController.internalExecute(Pag
eFlowController.java:282)
	at
org.apache.beehive.netui.pageflow.FlowController.execute(FlowController.
java:306)
	at
org.apache.beehive.netui.pageflow.internal.FlowControllerAction.execute(
FlowControllerAction.java:48)
	at
org.apache.struts.action.RequestProcessor.processActionPerform(RequestPr
ocessor.java:421)
	at
org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.access$201(Pa
geFlowRequestProcessor.java:109)
	at
org.apache.beehive.netui.pageflow.PageFlowRequestProcessor$ActionRunner.
execute(PageFlowRequestProcessor.java:1979)
	at
org.apache.beehive.netui.pageflow.interceptor.action.internal.ActionInte
rceptors$WrapActionInterceptorChain.continueChain(ActionInterceptors.jav
a:63)
	at
org.apache.beehive.netui.pageflow.interceptor.action.internal.ActionInte
rceptors.wrapAction(ActionInterceptors.java:86)
	at
org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processAction
Perform(PageFlowRequestProcessor.java:2048)
	at
com.hp.frameworks.wpa.pageflow.action.WpaPageFlowRequestProcessor.proces
sActionPerform(WpaPageFlowRequestProcessor.java:120)
	at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:
226)
	at
org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processIntern
al(PageFlowRequestProcessor.java:592)
	at
org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.process(PageF
lowRequestProcessor.java:856)
	at
org.apache.beehive.netui.pageflow.AutoRegisterActionServlet.process(Auto
RegisterActionServlet.java:600)
	at
org.apache.beehive.netui.pageflow.PageFlowActionServlet.process(PageFlow
ActionServlet.java:163)
	at
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:415)
	at
servletunit.struts.MockStrutsTestCase.actionPerform(MockStrutsTestCase.j
ava:394)
	at
com.hp.frameworks.wpa.test.preprocessor.MockPageFlowTestCase.runAction(M
ockPageFlowTestCase.java:84)
	at
com.hp.frameworks.wpa.test.preprocessor.TestPreprocessor.testRequestWith
Form(TestPreprocessor.java:80)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
a:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at junit.framework.TestCase.runTest(TestCase.java:154)
	at junit.framework.TestCase.runBare(TestCase.java:127)
	at junit.framework.TestResult$1.protect(TestResult.java:106)
	at junit.framework.TestResult.runProtected(TestResult.java:124)
	at junit.framework.TestResult.run(TestResult.java:109)
	at junit.framework.TestCase.run(TestCase.java:118)
	at junit.framework.TestSuite.runTest(TestSuite.java:208)
	at junit.framework.TestSuite.run(TestSuite.java:203)
	at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTe
stRunner.java:474)
	at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRun
ner.java:342)
	at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRu
nner.java:194)

-Sunny

-----Original Message-----
From: Richard Feit [mailto:richard.feit@bea.com]=20
Sent: Wednesday, June 08, 2005 9:55 AM
To: Beehive Users
Subject: Re: MockStrutsTestCase, action method with form data

Hi Sunny,

We do use a derivative of MockStrutsTestCase in our automated tests. =20
It's not ready for prime-time release, but it may be enough to get you
up and running.  I'll paste it below (this list doesn't accept
attachments).

    1) Does using this help with your problem?  To update the form bean,
you'd call addUpdateExpression("actionForm.username") rather than
addRequestParameter().  Then you'd call runAction("processData").

    2) If that doesn't help, would you paste in the entire stacktrace
from the log (including any "Caused by:" pieces)?

MockPageFlowTestCase.java:
---
import org.apache.beehive.netui.pageflow.PageFlowActionServlet;
import servletunit.struts.MockStrutsTestCase;
import servletunit.HttpServletRequestSimulator;
import junit.framework.AssertionFailedError;

/**
 * Base class for Page Flow test cases running under
StrutsTestCase/JUnit.
 */
public abstract class MockPageFlowTestCase
        extends MockStrutsTestCase
{
    protected void setUp()
        throws Exception
    {
        super.setUp();
        setActionServlet( new PageFlowActionServlet() );
      =20
        // The page flow class must be on classpath; if not, assert.
        try
        {
            Class.forName( getPageFlowClassName() );
        }
        catch ( ClassNotFoundException e )
        {
            throw new AssertionFailedError( "Page flow class " +
getPageFlowClassName() + " not found." );
        }
    }

    protected void tearDown()
            throws Exception
    {
        super.tearDown();
    }
  =20
    /**
     * Get the fully-qualified class name for the page flow to be
tested.
     */
    protected abstract String getPageFlowClassName();
  =20
    /**
     * Get the webapp name, to be used in constructing the request URI.

It is rarely necessary to specify this; it
     * defaults to "mockPageFlowWebapp".
     */
    protected String getWebappName()
    {
        return "mockPageFlowWebapp";
    }
  =20
    /**
     * Run the given action on the page flow determined by {@link
#getPageFlowClassName}.
     */
    protected void runAction( String actionName )
    {
        String modulePath =3D getPageFlowClassName().replace( '.', '/' =
);
        int lastSlash =3D modulePath.lastIndexOf( '/' );
        String actionPath =3D '/' + actionName + ".do";
        HttpServletRequestSimulator mockRequest =3D getMockRequest();
      =20
        //
        // Set up the request path-info and request servlet-path.  The
logic differs when the page flow is the root
        // module (the second case, below.
        //
        if ( lastSlash !=3D -1 )
        {
            modulePath =3D modulePath.substring( 0, lastSlash );
            setRequestPathInfo( modulePath, actionPath );
            mockRequest.setServletPath( modulePath + actionPath );
        }
        else
        {
            assertTrue( false );
            setRequestPathInfo( actionPath );
            mockRequest.setServletPath( actionPath );
        }
      =20
        mockRequest.setRequestURI( '/' + getWebappName() +
mockRequest.getServletPath() );
      =20
        actionPerform();
    }
  =20
    /**
     * Add an update expression and the value to be set.
     * @param expression the update expression, e.g., "actionForm.foo".
     * @param value the value to be set.
     */
    protected void addUpdateExpression( String expression, String value
)
    {
        addRequestParameter( '{' + expression + '}', new String[]{ value
} );
    }
  =20
    protected MockPageFlowTestCase( String name )
    {
        super( name );
    }
}
---

-Rich

Yee, Sunny K wrote:

>Hi,
>
>I'm using MockStrutsTestCase to write a pageflow test case, and have a
>simple action method with a form parameter in my controller.   I set
the
>form data in the test case method using the addRequestParameter method,

>but the pageflow controller doesn't recognize it (that it is for the=20
>form parameter), and looks for the action method with no form
parameter.
>Am I missing something in my test case code, or is the page flow=20
>controller, in working with the MockStrutsTestCase, not translating the

>request parameter to a form object?
>
>Thanks in advance.
>Sunny Yee
>Hewlett-Packard Co.
>=20
>
>Junit message:
>
>javax.servlet.ServletException: Could not find matching action method=20
>for action=3DdoLogin, form=3D[none] in page flow=20
>/com/hp/frameworks/wpa/test/preprocessor/Controller.jpf.
>	at
>org.apache.beehive.netui.pageflow.internal.DefaultExceptionsHandler.han
>d
>leException(DefaultExceptionsHandler.java:188)
>	at
>org.apache.beehive.netui.pageflow.FlowController.handleException(FlowCo
>n
>troller.java:258)
>	at
>org.apache.beehive.netui.pageflow.FlowController.internalExecute(FlowCo
>n
>troller.java:442)
>	at
>org.apache.beehive.netui.pageflow.PageFlowController.internalExecute(Pa
>g
>eFlowController.java:282)
>	at
>org.apache.beehive.netui.pageflow.FlowController.execute(FlowController
.
>java:306)
>	at
>org.apache.beehive.netui.pageflow.internal.FlowControllerAction.execute
>(
>FlowControllerAction.java:48)
>	at
>org.apache.struts.action.RequestProcessor.processActionPerform(RequestP
>r
>ocessor.java:421)
>	...
>
>
>My MockStrutsTestCase test case method:
>
>    public void testRequestWithForm()
>    {       =20
>        this.getMockRequest().setServletPath("/processData.do");
>        this.setRequestPathInfo(null, "/processData.do");
>	=09
>	  // Is this sufficient to set the form data?
>
>	  this.addRequestParameter("username", "testuser");
>        this.actionPerform();
>	=09
>	  ...
>
>    }
>
>My Controller.java:
>
>    ...
>    @Jpf.Action(
>        forwards=3D{
>           @Jpf.Forward(name=3D"success", path=3D"index.jsp"),
>           @Jpf.Forward(name=3D"login", path=3D"login.jsp")
>        }
>    )
>
>    // This is the action that I want call.
>
>    public Forward processData(LoginForm loginForm)
>    {
>		if (loginForm.getUsername().equals("test") =3D=3D true)
>			return new Forward("success");
>		else
>			return new Forward("login");
>    }
>    ...
>
>My LoginForm.java:
>
>    import org.apache.struts.action.ActionForm;
>
>
>    public class LoginForm extends ActionForm {
>=09
>	private String username;
>=09
>	public String getUsername() {
>		return username;
>	}
>=09
>	public void setUsername(String username) {
>		this.username =3D username;
>	}
>
>    }
>
> =20
>