TabFolderOperationHandler_Test.java

/*******************************************************************************
 * Copyright (c) 2013, 2014 EclipseSource and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    EclipseSource - initial API and implementation
 ******************************************************************************/
package org.eclipse.swt.internal.widgets.tabfolderkit;

import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_SELECTION;
import static org.eclipse.rap.rwt.internal.lifecycle.WidgetUtil.getId;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;

import org.eclipse.rap.json.JsonObject;
import org.eclipse.rap.rwt.internal.lifecycle.PhaseId;
import org.eclipse.rap.rwt.testfixture.internal.Fixture;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TabFolder;
import org.eclipse.swt.widgets.TabItem;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.mockito.ArgumentCaptor;


public class TabFolderOperationHandler_Test {

  private TabFolder folder;
  private TabFolderOperationHandler handler;

  @Before
  public void setUp() {
    Fixture.setUp();
    Fixture.fakePhase( PhaseId.PROCESS_ACTION );
    Display display = new Display();
    Shell shell = new Shell( display, SWT.NONE );
    folder = new TabFolder( shell, SWT.NONE );
    createTabFolderItems( folder, 3 );
    handler = new TabFolderOperationHandler( folder );
  }

  @After
  public void tearDown() {
    Fixture.tearDown();
  }

  @Test
  public void testHandleSetSelection() {
    TabItem item = folder.getItem( 1 );

    handler.handleSet( new JsonObject().add( "selection", getId( item ) ) );

    assertArrayEquals( new TabItem[] { item }, folder.getSelection() );
  }

  @Test
  public void testHandleNotifySelection() {
    TabItem item = folder.getItem( 1 );
    Listener listener = mock( Listener.class );
    folder.addListener( SWT.Selection, listener  );

    JsonObject properties = new JsonObject()
      .add( "altKey", true )
      .add( "shiftKey", true )
      .add( "item", getId( item ) );
    handler.handleNotify( EVENT_SELECTION, properties );

    ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
    verify( listener ).handleEvent( captor.capture() );
    Event event = captor.getValue();
    assertEquals( SWT.ALT | SWT.SHIFT, event.stateMask );
    assertSame( item, event.item );
  }

  private static void createTabFolderItems( TabFolder folder, int number ) {
    for( int i = 0; i < number; i++ ) {
      TabItem item = new TabItem( folder, SWT.NONE );
      item.setText( "item " + i );
    }
  }

}