/*******************************************************************************
* Copyright (c) 2012 Original authors 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:
* Original authors and others - initial API and implementation
******************************************************************************/
package org.eclipse.nebula.widgets.nattable.layer;
import org.eclipse.nebula.widgets.nattable.edit.command.UpdateDataCommand;
import org.eclipse.nebula.widgets.nattable.layer.event.CellVisualChangeEvent;
import org.eclipse.nebula.widgets.nattable.test.fixture.layer.DataLayerFixture;
import org.eclipse.nebula.widgets.nattable.test.fixture.layer.LayerListenerFixture;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class DataLayerCommandHandlingTest {
private static final String TEST_VALUE = "New Value";
private DataLayer dataLayer;
private UpdateDataCommand command;
@Before
public void setup() {
dataLayer = new DataLayerFixture();
command = new UpdateDataCommand(dataLayer, 2, 2, TEST_VALUE);
}
@Test
public void handleUpdateDataCommand() throws Exception {
dataLayer.doCommand(command);
Assert.assertEquals(TEST_VALUE, dataLayer.getDataProvider()
.getDataValue(2, 2));
}
@Test
public void handleUpdateDataCommandRaisesEvents() throws Exception {
LayerListenerFixture listener = new LayerListenerFixture();
dataLayer.addLayerListener(listener);
dataLayer.doCommand(command);
Assert.assertTrue(listener.getReceivedEvents().get(0) instanceof CellVisualChangeEvent);
}
@Test
public void handleSameUpdateDataCommandRaisesNoEvents() throws Exception {
LayerListenerFixture listener = new LayerListenerFixture();
dataLayer.addLayerListener(listener);
dataLayer.doCommand(command);
Assert.assertTrue(listener.getReceivedEvents().size() == 1);
Assert.assertTrue(listener.getReceivedEvents().get(0) instanceof CellVisualChangeEvent);
// as calling the UpdateCommand with the same value should not trigger
// any event
// the size of the received events will stay 1 (the one event from
// before which is cached)
dataLayer.doCommand(command);
Assert.assertTrue(listener.getReceivedEvents().size() == 1);
}
}