David,

Maybe GWTMockUtilities could help, but didn't tried it.

On Wed, Aug 19, 2009 at 12:19 PM, davis <[email protected]>wrote:

>
> Probably stems from the constructor doing this:
>
>  /**
>   * Creates an empty text box.
>   */
>  public TextBox() {
>    this(Document.get().createTextInputElement(), "gwt-TextBox");
>  }
>
>
> http://code.google.com/p/google-web-toolkit/source/browse/releases/1.7/user/src/com/google/gwt/user/client/ui/TextBox.java
>
> Anyone have a mock workaround for ui elements they'd like to share?
> Is there a mock framework out there for GWT ui elements?
>
> On Aug 19, 11:14 am, davis <[email protected]> wrote:
> > My fault -- I thought you were talking about something else.  It
> > appears you are correct.  It looks like even easy mock class extension
> > can't do it.  Somewhere in the initialization code of TextBox.class it
> > calls GWT.create()...major bummer.
> >
> > On Aug 19, 10:59 am, "Alejandro D. Garin" <[email protected]> wrote:
> >
> > > Hi David,
> >
> > > I tried your example, but I have this error:
> >
> > > Caused by: java.lang.UnsupportedOperationException: ERROR: GWT.create()
> is
> > > only usable in client code!  It cannot be called, for example, from
> server
> > > code.  If you are running a unit test, check that your test case
> extends
> > > GWTTestCase and that GWT.create() is not called from within an
> initializer
> > > or constructor.
> >
> > > Stacktrace:
> >
> > > java.lang.ExceptionInInitializerError
> > >     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> > >     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> > >     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> > >     at java.lang.reflect.Method.invoke(Unknown Source)
> > >     at
> net.sf.cglib.proxy.Enhancer.setCallbacksHelper(Enhancer.java:619)
> > >     at
> net.sf.cglib.proxy.Enhancer.setThreadCallbacks(Enhancer.java:612)
> > >     at net.sf.cglib.proxy.Enhancer.registerCallbacks(Enhancer.java:581)
> > >     at
> > >
> org.easymock.classextension.internal.ClassProxyFactory.createProxy(ClassProxyFactory.java:108)
> > >     at
> org.easymock.internal.MocksControl.createMock(MocksControl.java:51)
> > >     at
> org.easymock.classextension.EasyMock.createMock(EasyMock.java:46)
> > >     at example.publico.client.SimpleTest.testSimple(SimpleTest.java:10)
> > >     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> > >     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> > >     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> > >     at java.lang.reflect.Method.invoke(Unknown Source)
> > >     at junit.framework.TestCase.runTest(TestCase.java:168)
> > >     at junit.framework.TestCase.runBare(TestCase.java:134)
> > >     at junit.framework.TestResult$1.protect(TestResult.java:110)
> > >     at junit.framework.TestResult.runProtected(TestResult.java:128)
> > >     at junit.framework.TestResult.run(TestResult.java:113)
> > >     at junit.framework.TestCase.run(TestCase.java:124)
> > >     at junit.framework.TestSuite.runTest(TestSuite.java:232)
> > >     at junit.framework.TestSuite.run(TestSuite.java:227)
> > >     at
> > >
> org.junit.internal.runners.OldTestClassRunner.run(OldTestClassRunner.java:76)
> > >     at
> > >
> org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:45)
> > >     at
> > >
> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> > >     at
> > >
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
> > >     at
> > >
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
> > >     at
> > >
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
> > >     at
> > >
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
> > > Caused by: java.lang.UnsupportedOperationException: ERROR: GWT.create()
> is
> > > only usable in client code!  It cannot be called, for example, from
> server
> > > code.  If you are running a unit test, check that your test case
> extends
> > > GWTTestCase and that GWT.create() is not called from within an
> initializer
> > > or constructor.
> > >     at com.google.gwt.core.client.GWT.create(GWT.java:85)
> > >     at
> com.google.gwt.user.client.ui.UIObject.<clinit>(UIObject.java:140)
> > >     ... 30 more
> >
> > > On Wed, Aug 19, 2009 at 11:09 AM, davis <[email protected]
> >wrote:
> >
> > > > > If your view interface return a TextBox you can't test the
> presenter with
> > > > > JUnit, you will need to use GWTTestCase.
> >
> > > > Sure you can:
> >
> > > > import static org.easymock.classextension.EasyMock.*;
> > > > import com.google.gwt.user.client.ui.TextBox;
> >
> > > > public class SomePresenterTestCase {
> >
> > > >   private MyPresenter presenter;
> > > >   private MyView view;
> >
> > > >   @Test
> > > >   public void testSomething() {
> > > >       TextBox mockBox = createMock(TextBox.class);
> > > >       MyView mockView = createMock(MyView.class);
> > > >       presenter = new MyPresenter(mockView);
> > > >       expect(mockView.getSomeTextBox()).andReturn(mockBox);
> > > >       replay(mockView);
> > > >       replay(mockBox);
> > > >       TextBox box = presenter.getDisplay().getSomeTextBox();
> > > >       verify(mockView);
> > > >    }
> > > > }
> >
>

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