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/**
* Copyright (c) 2012, 2013 Obeo.
* 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:
* Obeo - initial API and implementation
*/
package org.eclipse.emf.compare.uml2.tests;
import static org.junit.Assert.assertTrue;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterators;
import java.util.Iterator;
import java.util.List;
import java.util.regex.Pattern;
import org.eclipse.emf.common.notify.Notifier;
import org.eclipse.emf.common.util.BasicMonitor;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.compare.AttributeChange;
import org.eclipse.emf.compare.ComparePackage;
import org.eclipse.emf.compare.Comparison;
import org.eclipse.emf.compare.Diff;
import org.eclipse.emf.compare.EMFCompare;
import org.eclipse.emf.compare.ReferenceChange;
import org.eclipse.emf.compare.merge.BatchMerger;
import org.eclipse.emf.compare.merge.IBatchMerger;
import org.eclipse.emf.compare.merge.IMerger;
import org.eclipse.emf.compare.postprocessor.PostProcessorDescriptorRegistryImpl;
import org.eclipse.emf.compare.scope.IComparisonScope;
import org.eclipse.emf.compare.tests.framework.AbstractInputData;
import org.eclipse.emf.compare.tests.postprocess.data.TestPostProcessor;
import org.eclipse.emf.compare.uml2.internal.merge.UMLMerger;
import org.eclipse.emf.compare.uml2.internal.postprocessor.UMLPostProcessor;
import org.eclipse.emf.compare.utils.ReferenceUtil;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.uml2.uml.UMLPackage;
import org.eclipse.uml2.uml.internal.resource.UMLResourceFactoryImpl;
import org.junit.Before;
import org.junit.BeforeClass;
@SuppressWarnings("nls")
public abstract class AbstractTest {
private EMFCompare emfCompare;
private static final IMerger.Registry mergerRegistry = IMerger.RegistryImpl.createStandaloneInstance();
@BeforeClass
public static void fillRegistries() {
EPackage.Registry.INSTANCE.put(ComparePackage.eNS_URI, ComparePackage.eINSTANCE);
EPackage.Registry.INSTANCE.put(UMLPackage.eNS_URI, UMLPackage.eINSTANCE);
Resource.Factory.Registry.INSTANCE.getExtensionToFactoryMap().put("uml", //$NON-NLS-1$
new UMLResourceFactoryImpl());
final IMerger umlMerger = new UMLMerger();
umlMerger.setRanking(11);
mergerRegistry.add(umlMerger);
}
@Before
public void before() {
PostProcessorDescriptorRegistryImpl<String> registry = new PostProcessorDescriptorRegistryImpl<String>();
registry.put(UMLPostProcessor.class.getName(), new TestPostProcessor.TestPostProcessorDescriptor(
Pattern.compile("http://www.eclipse.org/uml2/\\d\\.0\\.0/UML"), null, new UMLPostProcessor(),
20));
emfCompare = EMFCompare.builder().setPostProcessorRegistry(registry).build();
}
protected EMFCompare getCompare() {
return emfCompare;
}
protected enum TestKind {
ADD, DELETE;
}
protected static Integer count(List<Diff> differences, Predicate<Object> p) {
int count = 0;
final Iterator<Diff> result = Iterators.filter(differences.iterator(), p);
while (result.hasNext()) {
count++;
result.next();
}
return Integer.valueOf(count);
}
public static Predicate<? super Diff> onRealFeature(final EStructuralFeature feature) {
return new Predicate<Diff>() {
public boolean apply(Diff input) {
final EStructuralFeature affectedFeature;
if (input instanceof AttributeChange) {
affectedFeature = ((AttributeChange)input).getAttribute();
} else if (input instanceof ReferenceChange) {
affectedFeature = ((ReferenceChange)input).getReference();
} else {
return false;
}
return feature == affectedFeature;
}
};
}
public static Predicate<? super Diff> isChangeAdd() {
return new Predicate<Diff>() {
public boolean apply(Diff input) {
if (input instanceof ReferenceChange) {
return ReferenceUtil.getAsList(input.getMatch().getLeft(),
((ReferenceChange)input).getReference()).contains(
((ReferenceChange)input).getValue());
} else if (input instanceof AttributeChange) {
return ReferenceUtil.getAsList(input.getMatch().getLeft(),
((AttributeChange)input).getAttribute()).contains(
((AttributeChange)input).getValue());
}
return false;
}
};
}
protected abstract AbstractInputData getInput();
protected void testMergeLeftToRight(Notifier left, Notifier right, Notifier origin) {
final IComparisonScope scope = EMFCompare.createDefaultScope(left, right, origin);
final Comparison comparisonBefore = getCompare().compare(scope);
EList<Diff> differences = comparisonBefore.getDifferences();
final IBatchMerger merger = new BatchMerger(mergerRegistry);
merger.copyAllLeftToRight(differences, new BasicMonitor());
final Comparison comparisonAfter = getCompare().compare(scope);
assertTrue("Comparison#getDifferences() must be empty after copyAllLeftToRight", comparisonAfter
.getDifferences().isEmpty());
}
protected void testMergeRightToLeft(Notifier left, Notifier right, Notifier origin) {
final IComparisonScope scope = EMFCompare.createDefaultScope(left, right, origin);
final Comparison comparisonBefore = getCompare().compare(scope);
EList<Diff> differences = comparisonBefore.getDifferences();
final IBatchMerger merger = new BatchMerger(mergerRegistry);
merger.copyAllRightToLeft(differences, new BasicMonitor());
final Comparison comparisonAfter = getCompare().compare(scope);
assertTrue("Comparison#getDifferences() must be empty after copyAllRightToLeft", comparisonAfter
.getDifferences().isEmpty());
}
}
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