tests/org.eclipse.emf.emfstore.client.recording.test/src/org/eclipse/emf/emfstore/client/recording/test/SimpleOperationObserverTest.java

/*******************************************************************************
 * Copyright (c) 2012-2013 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 v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 ******************************************************************************/
package org.eclipse.emf.emfstore.client.recording.test;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.util.concurrent.Callable;

import org.eclipse.emf.emfstore.client.test.common.cases.ESTest;
import org.eclipse.emf.emfstore.client.test.common.dsl.Add;
import org.eclipse.emf.emfstore.client.test.common.dsl.Create;
import org.eclipse.emf.emfstore.client.util.RunESCommand;
import org.eclipse.emf.emfstore.internal.client.model.ESWorkspaceProviderImpl;
import org.eclipse.emf.emfstore.internal.client.observers.SimpleOperationObserver;
import org.eclipse.emf.emfstore.internal.server.model.versioning.operations.AbstractOperation;
import org.junit.Before;
import org.junit.Test;

public class SimpleOperationObserverTest extends ESTest {

	private static final String A = "A"; //$NON-NLS-1$
	private boolean operationPerformed;

	@Override
	@Before
	public void before() {
		super.before();
		operationPerformed = false;
	}

	@Test
	public void testForwards() {
		final SimpleOperationObserver observer = new SimpleOperationObserver() {
			@Override
			public void operationPerformed(AbstractOperation operation) {
				operationPerformed = true;
			}
		};
		ESWorkspaceProviderImpl.getObserverBus().register(observer);

		Add.toProject(getLocalProject(), Create.testElement(A));

		assertTrue(operationPerformed);
	}

	@Test
	public void testBackwards() {

		Add.toProject(getLocalProject(), Create.testElement(A));

		assertFalse(operationPerformed);

		final SimpleOperationObserver observer = new SimpleOperationObserver() {

			@Override
			public void operationPerformed(AbstractOperation operation) {
				operationPerformed = true;
			}

		};

		ESWorkspaceProviderImpl.getObserverBus().register(observer);

		RunESCommand.run(new Callable<Void>() {
			public Void call() throws Exception {
				getProjectSpace().revert();
				return null;
			}
		});

		assertTrue(operationPerformed);
	}
}