org.eclipse.osbp.runtime.web.vaadin.databinding.tests/src/org/eclipse/osbp/runtime/web/vaadin/databinding/tests/model/PropertyReadonlyTest.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.CheckBox;

public class PropertyReadonlyTest {

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

	@Test
	public void test_propertyReadonly() {
		CheckBox property = new CheckBox();

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

		DataBindingContext dbc = new DataBindingContext();
		dbc.bindValue(value, VaadinObservables.observeReadonly(property));
		Assert.assertEquals(false, value.getValue());

		property.setReadOnly(true);
		Assert.assertEquals(true, value.getValue());
	}

	@Test
	public void test_propertyReadonly_updateFromTarget() {
		CheckBox property = new CheckBox();

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

		DataBindingContext dbc = new DataBindingContext();
		dbc.bindValue(value, VaadinObservables.observeReadonly(property));
		Assert.assertEquals(false, value.getValue());

		value.setValue(true);
		Assert.assertTrue(property.isReadOnly());
		value.setValue(false);
		Assert.assertFalse(property.isReadOnly());
	}
	
}