I remember testing this approach when playing around with the GWT Maps
API,
(the GWT specific API for Google Maps), and it didn´t work very well.
It seems like you run into trouble when testing complex Widgets that
make calls to other widgets.
I was using Jmock, not EasyMock, but it should be pretty much the
same.
@Test
public void testPresenter() {
final MapDisplayWidget widget = context.mock
(MapDisplayWidget.class);
final MapWidget map = context.mock(MapWidget.class);
MapData data = new MapData();
HandlerManager eventBus = new HandlerManager(null);
context.checking(new Expectations() {{
final Sequence seq = context.sequence("test");
oneOf(widget).getMap();inSequence(seq);
}});
MapDisplayPresenter presenter = new MapDisplayPresenter
(widget,data,eventBus);
}
Doing this a get an UnsatisfiedLinkError from
com.google.gwt.maps.client.overlay.Overlay...
However, the problem here is that i couldn´t see any resonable way to
access the MapWidgets functions
without returning the entire widget from the interface.
On 19 Aug, 16:09, 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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