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/*******************************************************************************
* Copyright (c) 2010 Technical University of Denmark.
* 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:
* Patrick Koenemann, DTU Informatics - initial API and implementation
*******************************************************************************/
package org.eclipse.emf.compare.mpatch.test.junit;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import org.eclipse.emf.compare.mpatch.MPatchModel;
import org.eclipse.emf.compare.mpatch.apply.generic.util.InternalReferencesTransformation;
import org.eclipse.emf.compare.mpatch.apply.generic.util.MPatchDependencyTransformation;
import org.eclipse.emf.compare.mpatch.common.util.ExtensionManager;
import org.eclipse.emf.compare.mpatch.common.util.MPatchConstants;
import org.eclipse.emf.compare.mpatch.extension.IModelDescriptorCreator;
import org.eclipse.emf.compare.mpatch.extension.ISymbolicReferenceCreator;
import org.eclipse.emf.compare.mpatch.extension.MPatchApplicationResult;
import org.eclipse.emf.compare.mpatch.extension.ResolvedSymbolicReferences;
import org.eclipse.emf.compare.mpatch.test.util.CompareTestHelper;
import org.eclipse.emf.compare.mpatch.test.util.TestConstants;
import org.eclipse.emf.compare.mpatch.transform.util.GeneralizeTransformation;
import org.eclipse.emf.compare.mpatch.transform.util.GroupingTransformation;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.junit.Test;
/**
* Testing the library example:
* <ol>
* <li> Compare library.ecore and library_karl.ecore with EMF Compare
* <li> Create MPatch (condition-based only)
* <li> Perform all available transformations
* <li> Apply all changes to library_eve.ecore
* </ol>
*
* @author Patrick Koenemann (pk@imm.dtu.dk)
*/
public class LibraryExampleTest {
/**
* Test description: {@link LibraryExampleTest}
*/
@Test
public void testLibraryExample() {
// get creators
final ISymbolicReferenceCreator symrefCreator = ExtensionManager.getAllSymbolicReferenceCreators().get(
"Condition-based");
final IModelDescriptorCreator descriptorCreator = ExtensionManager.getAllModelDescriptorCreators().get(
"Default");
final String info = "symrefCreator: " + symrefCreator.getLabel() + ", descriptorCreator: "
+ descriptorCreator.getLabel();
// create mpatch
final MPatchModel mpatch = CompareTestHelper.getMPatchFromUris(TestConstants.LIBRARY_URI2,
TestConstants.LIBRARY_URI1, symrefCreator, descriptorCreator);
doTransformations(mpatch);
// resolve references to other model
final EPackage applyModel = (EPackage) CompareTestHelper.loadModel(TestConstants.LIBRARY_URI3,
new ResourceSetImpl()).get(0);
final ResolvedSymbolicReferences resolvedReferences = CompareTestHelper.resolveReferences(mpatch, applyModel, info);
// apply differences
final MPatchApplicationResult result = TestConstants.DIFF_APPLIER.applyMPatch(resolvedReferences, true);
// check application status
assertTrue("Some changes failed to apply: " + result.failed, result.failed.isEmpty());
assertTrue("Cross reference restoring failed for: " + result.crossReferences, result.crossReferences.isEmpty());
assertEquals("Application result was not successful!", MPatchApplicationResult.ApplicationStatus.SUCCESSFUL,
result.status);
}
private void doTransformations(MPatchModel mpatch) {
final int groups = GroupingTransformation.group(mpatch);
assertNull(MPatchConstants.MPATCH_SHORT_NAME + " is not valid!", CompareTestHelper.validateMPatch(mpatch));
assertEquals("Groups were not created correctly!", 2, groups);
final int deps = MPatchDependencyTransformation.calculateDependencies(mpatch);
assertNull(MPatchConstants.MPATCH_SHORT_NAME + " is not valid!", CompareTestHelper.validateMPatch(mpatch));
assertEquals("Dependencies were not calculated correctly!", 4, deps);
final int refs = InternalReferencesTransformation.createInternalReferences(mpatch);
assertNull(MPatchConstants.MPATCH_SHORT_NAME + " is not valid!", CompareTestHelper.validateMPatch(mpatch));
assertEquals("Internal references were not created correctly!", 6, refs);
final int card = GeneralizeTransformation.unboundSymbolicReferences(mpatch);
assertNull(MPatchConstants.MPATCH_SHORT_NAME + " is not valid!", CompareTestHelper.validateMPatch(mpatch));
assertEquals("Cardinality weakening was not performed correctly!", 16, card);
final int str = GeneralizeTransformation.expandScope(mpatch);
assertNull(MPatchConstants.MPATCH_SHORT_NAME + " is not valid!", CompareTestHelper.validateMPatch(mpatch));
assertTrue("String weakening was not performed correctly!", str >= 12);
}
}
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