tests/org.eclipse.emf.ecp.view.validation.test/src/org/eclipse/emf/ecp/view/validation/test/SubstitutionLabel_PTest.java

/*******************************************************************************
 * Copyright (c) 2011-2014 EclipseSource Muenchen GmbH and others.
 *
 * 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:
 * Eugen - initial API and implementation
 ******************************************************************************/
package org.eclipse.emf.ecp.view.validation.test;

import static org.junit.Assert.assertEquals;

import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notifier;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.ecp.view.internal.validation.ECPSubstitutionLabelProvider;
import org.eclipse.emf.ecp.view.spi.model.VViewPackage;
import org.eclipse.emf.ecp.view.spi.table.model.VTableDomainModelReference;
import org.eclipse.emf.ecp.view.spi.table.model.VTableFactory;
import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * @author Eugen
 *
 */
public class SubstitutionLabel_PTest {

	private ComposedAdapterFactory adapterFactory;
	private ECPSubstitutionLabelProvider labelProvider;
	private VTableDomainModelReference modelReference;
	private int modelReferenceAdapters;

	/**
	 * @throws java.lang.Exception
	 */
	@Before
	public void setUp() throws Exception {
		adapterFactory = new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE);
		labelProvider = new ECPSubstitutionLabelProvider(adapterFactory);
		modelReference = VTableFactory.eINSTANCE
			.createTableDomainModelReference();
		modelReferenceAdapters = modelReference.eAdapters().size();
	}

	@After
	public void tearDown() throws Exception {
		adapterFactory.dispose();
		assertEquals(modelReferenceAdapters, modelReference.eAdapters().size());
	}

	@Test
	public void testFeatureLabelProvider() {
		final String featureLabel = labelProvider.getFeatureLabel(VViewPackage.eINSTANCE.getControl_LabelAlignment());
		assertEquals("Label Alignment", featureLabel);
	}

	@Test
	public void testEObjectLabelProvider() {
		final String eObjectLabel = labelProvider.getObjectLabel(modelReference);
		assertEquals("Table Domain Model Reference", eObjectLabel);
	}

	@Test
	public void testBug529402() {
		/* setup factory which is not implemented as expected (contract does not guarantee that) */
		adapterFactory = new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE) {
			@Override
			public Adapter adapt(Notifier target, Object type) {
				if (target == modelReference && type == IItemLabelProvider.class) {
					return new AdapterImpl();
				}
				return super.adapt(target, type);
			}
		};
		labelProvider = new ECPSubstitutionLabelProvider(adapterFactory);
		final String eObjectLabel = labelProvider.getObjectLabel(modelReference);
		assertEquals(EcoreUtil.getIdentification(modelReference),
			eObjectLabel);
	}

}