org.eclipse.osbp.runtime.web.vaadin.databinding.tests/src/org/eclipse/osbp/runtime/web/vaadin/databinding/tests/model/PropertyDescriptionTests.java

/**
 * Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0 
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *         Florian Pirchner - Initial implementation
 */


package org.eclipse.osbp.runtime.web.vaadin.databinding.tests.model;

import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.observable.value.WritableValue;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.eclipse.osbp.runtime.web.vaadin.databinding.VaadinObservables;

import com.vaadin.ui.Table;

public class PropertyDescriptionTests {

	@Before
	public void setup() {
		DefaultUI.setCurrent(new DefaultUI());
		VaadinObservables.getRealm(DefaultUI.getCurrent());
	}

	@Test
	public void test_table_propertyDescription() {
		Table table = new Table();

		WritableValue value = new WritableValue();
		Assert.assertNull(value.getValue());

		DataBindingContext dbc = new DataBindingContext();
		dbc.bindValue(value, VaadinObservables.observeDescription(table));

		Assert.assertEquals("", table.getDescription());
		Assert.assertEquals("", value.getValue());

		value.setValue("HUHU");
		Assert.assertEquals("HUHU", table.getDescription());
	}

	@Test
	public void test_table_propertyDescription_updateFromTarget() {
		Table table = new Table();

		WritableValue value = new WritableValue();
		Assert.assertNull(value.getValue());

		DataBindingContext dbc = new DataBindingContext();
		dbc.bindValue(value, VaadinObservables.observeDescription(table));

		Assert.assertEquals("", table.getDescription());
		Assert.assertEquals("", value.getValue());

		table.setDescription("HUHU");
		Assert.assertEquals("", value.getValue());
		Assert.assertEquals("HUHU", table.getDescription());
		dbc.updateTargets();

		Assert.assertEquals("HUHU", value.getValue());
	}
}