CompositeLCA_Test.java

/*******************************************************************************
 * Copyright (c) 2013, 2015 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.compositekit;

import static org.eclipse.rap.rwt.internal.protocol.RemoteObjectFactory.getRemoteObject;
import static org.eclipse.rap.rwt.internal.lifecycle.WidgetUtil.getId;
import static org.eclipse.rap.rwt.testfixture.internal.TestMessage.getParent;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;

import java.io.IOException;

import org.eclipse.rap.json.JsonArray;
import org.eclipse.rap.json.JsonObject;
import org.eclipse.rap.rwt.internal.remote.RemoteObjectRegistry;
import org.eclipse.rap.rwt.remote.OperationHandler;
import org.eclipse.rap.rwt.scripting.ClientListener;
import org.eclipse.rap.rwt.testfixture.internal.Fixture;
import org.eclipse.rap.rwt.testfixture.internal.TestMessage;
import org.eclipse.rap.rwt.internal.protocol.Operation.CreateOperation;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.internal.widgets.controlkit.ControlLCATestUtil;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;


public class CompositeLCA_Test {

  private Display display;
  private Shell shell;
  private CompositeLCA lca;
  private Composite composite;

  @Before
  public void setUp() {
    Fixture.setUp();
    display = new Display();
    shell = new Shell( display );
    lca = CompositeLCA.INSTANCE;
    composite = new Composite( shell, SWT.BORDER );
  }

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

  @Test
  public void testCommonControlProperties() throws IOException {
    ControlLCATestUtil.testCommonControlProperties( composite );
  }

  @Test
  public void testRenderCreate() throws IOException {
    lca.renderInitialization( composite );

    TestMessage message = Fixture.getProtocolMessage();
    CreateOperation operation = message.findCreateOperation( composite );
    assertEquals( "rwt.widgets.Composite", operation.getType() );
  }

  @Test
  public void testRenderInitialization_setsOperationHandler() throws IOException {
    String id = getId( composite );
    lca.renderInitialization( composite );

    OperationHandler handler = RemoteObjectRegistry.getInstance().get( id ).getHandler();
    assertTrue( handler instanceof CompositeOperationHandler );
  }

  @Test
  public void testReadData_usesOperationHandler() {
    CompositeOperationHandler handler = spy( new CompositeOperationHandler( composite ) );
    getRemoteObject( getId( composite ) ).setHandler( handler );

    Fixture.fakeNotifyOperation( getId( composite ), "Help", new JsonObject() );
    lca.readData( composite );

    verify( handler ).handleNotifyHelp( composite, new JsonObject() );
  }

  @Test
  public void testRenderParent() throws IOException {
    lca.renderInitialization( composite );

    TestMessage message = Fixture.getProtocolMessage();
    CreateOperation operation = message.findCreateOperation( composite );
    assertEquals( getId( composite.getParent() ), getParent( operation ) );
  }

  @Test
  public void testRenderClientArea() {
    composite.setSize( 110, 120 );

    lca.renderClientArea( composite );

    TestMessage message = Fixture.getProtocolMessage();
    Rectangle clientArea = composite.getClientArea();
    assertEquals( clientArea, toRectangle( message.findSetProperty( composite, "clientArea" ) ) );
  }

  @Test
  public void testRenderClientArea_SizeZero() {
    composite.setSize( 0, 0 );

    lca.renderClientArea( composite );

    TestMessage message = Fixture.getProtocolMessage();
    Rectangle clientArea = new Rectangle( 0, 0, 0, 0 );
    assertEquals( clientArea, toRectangle( message.findSetProperty( composite, "clientArea" ) ) );
  }

  @Test
  public void testRenderClientArea_SizeUnchanged() {
    Fixture.markInitialized( composite );
    composite.setSize( 110, 120 );

    lca.preserveValues( composite );
    lca.renderClientArea( composite );

    TestMessage message = Fixture.getProtocolMessage();
    assertNull( message.findSetOperation( composite, "clientArea" ) );
  }

  @Test
  public void testRenderChanges_rendersClientListener() throws IOException {
    composite.addListener( SWT.MouseDown, new ClientListener( "" ) );

    lca.renderChanges( composite );

    TestMessage message = Fixture.getProtocolMessage();
    assertNotNull( message.findCallOperation( composite, "addListener" ) );
  }

  private Rectangle toRectangle( Object property ) {
    JsonArray jsonArray = ( JsonArray )property;
    Rectangle result = new Rectangle(
      jsonArray.get( 0 ).asInt(),
      jsonArray.get( 1 ).asInt(),
      jsonArray.get( 2 ).asInt(),
      jsonArray.get( 3 ).asInt()
    );
    return result;
  }

}