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class MyAppliactionMyApplication extends WebApplication {
    public void init() {
        // notice in 2.0+ versions this is no longer necessary, 
        // simply drop the wicket-spring jar onto the classpath and start using @SpringBean
        addComponentInstantiationListener(new SpringComponentInjector(this));
    }
}

class EditContact extends WebPage {
   @SpringBean
   private ContactDao dao;

   @SpringBean(name="userDao")
   private UserDao userDao;
    
   public EditContact(long userId) {
       ...
   }
}

public class DeleteContactPageTest extends TestCase {
	public void test() throws ServletException {
		// 1. setup dependencies and mock objects
		Contact contact=new Contact();
		
		MockControl daoCtrl=MockControl.createControl(ContactDao.class);
		ContactDao dao=(ContactDao) daoCtrl.getMock();
		
		daoCtrl.expectAndReturn(dao.load(10), contact);
		dao.delete(10);
		
		daoCtrl.replay();
		
		// 2. setup mock injection environment
		ApplicationContextMock appctx=new ApplicationContextMock();
		appctx.putBean("contactDao", dao);
		
		SpringContextLocatorMock ctxLocator=new SpringContextLocatorMock(appctx);
		
		AnnotSpringInjector injector=new AnnotSpringInjector(ctxLocator);
		
		// 3. set our mock injection environment as active
		InjectorHolder.setInjector(injector);

		// 3. setup WicketTester and injector for @SpringBean
		WicketTester app=new WicketTester();
                app.getApplication().addComponentInstantiationListener(new SpringComponentInjector(app.getApplication(), appctx ));
		
                // 4. run the test
		WicketTester app=new WicketTester();
		
		app.startPage(new DeleteContactPage(new DummyHomePage(), 10));
		app.assertRenderedPage(DeleteContactPage.class);
		app.assertComponent("confirmForm", Form.class);
		app.assertComponent("confirmForm:confirm", Button.class);
		app.setParameterForNextRequest("confirmForm:confirm", "pressed");
		app.submitForm("confirmForm");
		app.assertRenderedPage(DummyHomePage.class);
		
		daoCtrl.verify();
	}
}