WindowTest.java

package org.vaadin.smartgwt.server;

import static org.mockito.Matchers.*;
import static org.mockito.Mockito.*;

import java.util.HashMap;

import org.junit.Before;
import org.junit.Test;
import org.vaadin.smartgwt.server.core.RegistrationEntry;
import org.vaadin.smartgwt.server.events.CloseClickHandler;
import org.vaadin.smartgwt.server.events.CloseClickEvent;
import org.vaadin.smartgwt.server.layout.MasterContainer;

import com.google.common.collect.Maps;
import com.vaadin.terminal.PaintException;
import com.vaadin.terminal.gwt.server.JsonPaintTarget;

public class WindowTest {
	private Window window;
	private MasterContainer container;
	private RegistrationEntry registrationEntry;

	@Before
	public void before() {
		window = new Window(container = mock(MasterContainer.class));
		when(container.register(window)).thenReturn(registrationEntry = mock(RegistrationEntry.class));
		when(registrationEntry.isRegistered()).thenReturn(true);
	}

	@Test
	public void test_registersToContainerWhenShowing() {
		window.show();
		verify(container).register(window);
	}

	@Test
	public void test_registersToContainerOnceWhenShowingMultipleTimes() {
		window.show();
		window.show();
		verify(container, times(1)).register(window);
	}

	@Test
	public void test_unregistersFromContainerOnDispose() {
		window.show();
		window.dispose();
		verify(registrationEntry).unregister();
	}

	@Test
	public void test_unregistersFromContainerWhenClientSideDestroys() {
		final HashMap<String, Object> variables = Maps.newHashMap();
		variables.put("destroyed", true);

		window.show();
		window.changeVariables(null, variables);
		verify(registrationEntry).unregister();
	}

	@Test
	public void test_notifiesClientWhenNoCloseClickHandlerRegistered() throws PaintException {
		final JsonPaintTarget paintTarget = mock(JsonPaintTarget.class);

		window.paintContent(paintTarget);
		verify(paintTarget, never()).addAttribute("*hasCloseClickHandlers", true);
	}

	@Test
	public void test_notifiesClientWhenCloseClickHandlerRegistered() throws PaintException {
		final JsonPaintTarget paintTarget = mock(JsonPaintTarget.class);

		window.addCloseClickHandler(mock(CloseClickHandler.class));
		window.paintContent(paintTarget);

		verify(paintTarget).addAttribute("*hasCloseClickHandlers", true);
	}

	@Test
	public void test_firesEventWhenClientCloseClick() {
		final CloseClickHandler handler = mock(CloseClickHandler.class);
		final HashMap<String, Object> variables = Maps.<String, Object> newHashMap();

		variables.put("onCloseClick", true);
		window.addCloseClickHandler(handler);
		window.changeVariables(null, variables);
		verify(handler).onCloseClick(isA(CloseClickEvent.class));
	}

	@Test
	public void test_unregistersClientCloseHandlerThroughRegistration() {
		final CloseClickHandler handler = mock(CloseClickHandler.class);
		final HashMap<String, Object> variables = Maps.<String, Object> newHashMap();

		variables.put("onCloseClick", true);
		window.addCloseClickHandler(handler).removeHandler();
		window.changeVariables(null, variables);
		verify(handler, never()).onCloseClick(isA(CloseClickEvent.class));
	}
}