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/*****************************************************************************
* Copyright (c) 2015 Christian W. Damus 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:
* Christian W. Damus - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.commands.util;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import java.util.Iterator;
import java.util.Set;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.common.command.AbstractCommand;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.CompoundCommand;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.diagram.ui.commands.CommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
import org.eclipse.papyrus.commands.wrappers.EMFtoGEFCommandWrapper;
import org.eclipse.papyrus.infra.emf.gmf.command.EMFtoGMFCommandWrapper;
import org.eclipse.papyrus.commands.wrappers.GEFtoEMFCommandWrapper;
import org.eclipse.papyrus.infra.emf.gmf.command.GMFtoEMFCommandWrapper;
import org.eclipse.papyrus.junit.framework.classification.tests.AbstractPapyrusTest;
import org.junit.Before;
import org.junit.Test;
import com.google.common.collect.Sets;
/**
* Test suite for the {@link CommandTreeIterator} class.
*/
public class CommandTreeIteratorTest extends AbstractPapyrusTest {
private Object fixture;
private int gefCount;
private int emfCount;
private int gmfCount;
public CommandTreeIteratorTest() {
super();
}
@Test
public void gefCompoundsAndWrappers() {
assertThat(collectAll(fixture, Command.class).size(), is(gefCount));
}
@Test
public void emfCompoundsAndWrappers() {
assertThat(collectAll(fixture, org.eclipse.emf.common.command.Command.class).size(), is(emfCount));
}
@Test
public void gmfCompoundsAndWrappers() {
assertThat(collectAll(fixture, ICommand.class).size(), is(gmfCount));
}
@Test
public void genericCompoundsAndWrappers() {
assertThat(collectAll(fixture).size(), is(gefCount + emfCount + gmfCount));
}
//
// Test framework
//
@Before
public void createFixture() {
CompoundCommand compoundGEFCommand = new CompoundCommand();
// Add a simple EMF command wrapped
compoundGEFCommand.add(EMFtoGEFCommandWrapper.wrap(new TestEMFCommand()));
// Add a double-wrapped GMF command
compoundGEFCommand.add(EMFtoGEFCommandWrapper.wrap(GMFtoEMFCommandWrapper.wrap(new TestGMFCommand())));
// Add a (wrapped differently) GMF compound
CompositeCommand compoundGMFCommand = new CompositeCommand("composite");
compoundGEFCommand.add(new ICommandProxy(compoundGMFCommand));
// Add a GEF command (wrapped) to the GMF compound
compoundGMFCommand.add(new CommandProxy(new TestGEFCommand()));
compoundGMFCommand.add(EMFtoGMFCommandWrapper.wrap(GEFtoEMFCommandWrapper.wrap(new TestGEFCommand())));
// And now an EMF compound
org.eclipse.emf.common.command.CompoundCommand compoundEMFCommand = new org.eclipse.emf.common.command.CompoundCommand();
compoundGMFCommand.add(EMFtoGMFCommandWrapper.wrap(compoundEMFCommand));
// And an EMF command to the EMF compound
compoundEMFCommand.append(new TestEMFCommand());
// and a GEF command
compoundEMFCommand.append(GEFtoEMFCommandWrapper.wrap(new TestGEFCommand()));
// Top it off with a GMF command on the GMF compound
compoundGMFCommand.add(new TestGMFCommand());
fixture = compoundGEFCommand;
}
<C> Set<C> collectAll(Object command, Class<C> type) {
Set<C> result = Sets.newLinkedHashSet();
for (Iterator<C> iter = CommandTreeIterator.iterate(command, type); iter.hasNext();) {
result.add(iter.next());
}
return result;
}
Set<?> collectAll(Object command) {
Set<Object> result = Sets.newLinkedHashSet();
for (Iterator<?> iter = CommandTreeIterator.iterate(command); iter.hasNext();) {
result.add(iter.next());
}
return result;
}
//
// Nested types
//
private class TestEMFCommand extends AbstractCommand {
TestEMFCommand() {
super();
if (fixture == null) {
emfCount++;
}
}
public void execute() {
// Pass
}
public void redo() {
// Pass
}
}
private class TestGEFCommand extends Command {
TestGEFCommand() {
super();
if (fixture == null) {
gefCount++;
}
}
}
private class TestGMFCommand extends org.eclipse.gmf.runtime.common.core.command.AbstractCommand {
TestGMFCommand() {
super("test");
if (fixture == null) {
gmfCount++;
}
}
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor progressMonitor, IAdaptable info) throws ExecutionException {
return CommandResult.newCancelledCommandResult();
}
@Override
protected CommandResult doRedoWithResult(IProgressMonitor progressMonitor, IAdaptable info) throws ExecutionException {
return CommandResult.newCancelledCommandResult();
}
@Override
protected CommandResult doUndoWithResult(IProgressMonitor progressMonitor, IAdaptable info) throws ExecutionException {
return CommandResult.newCancelledCommandResult();
}
}
}
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