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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.tests.postprocess;
import static junit.framework.Assert.assertSame;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.util.List;
import java.util.regex.Pattern;
import org.eclipse.emf.compare.Comparison;
import org.eclipse.emf.compare.EMFCompare;
import org.eclipse.emf.compare.postprocessor.IPostProcessor;
import org.eclipse.emf.compare.postprocessor.PostProcessorDescriptorRegistryImpl;
import org.eclipse.emf.compare.scope.DefaultComparisonScope;
import org.eclipse.emf.compare.scope.IComparisonScope;
import org.eclipse.emf.compare.tests.nodes.NodesPackage;
import org.eclipse.emf.compare.tests.postprocess.data.PostProcessInputData;
import org.eclipse.emf.compare.tests.postprocess.data.TestPostProcessor;
import org.eclipse.emf.compare.tests.postprocess.data.TestPostProcessor.TestPostProcessorDescriptor;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.resource.Resource;
import org.junit.BeforeClass;
import org.junit.Test;
@SuppressWarnings("nls")
public class PostProcessorTest {
private PostProcessInputData input = new PostProcessInputData();
@BeforeClass
public static void beforeClass() {
EPackage.Registry.INSTANCE.put(NodesPackage.eNS_URI, NodesPackage.eINSTANCE);
}
@Test
public void testNominalUseCase() throws IOException {
// No post processes.
final Resource left = input.getLeft();
final Resource right = input.getRight();
final IComparisonScope scope = new DefaultComparisonScope(left, right, null);
final Comparison comparison = EMFCompare.builder().build().compare(scope);
assertSame(Integer.valueOf(1), Integer.valueOf(comparison.getMatches().size()));
}
@Test
public void testA1UseCase() throws IOException {
final Resource left = input.getLeft();
final Resource right = input.getRight();
// Post processing (add a match element) if EMF Compare scans a model coming from the namespace URI
// "http://www.eclipse.org/emf/compare/tests/nodes" at least.
final Comparison comparison = compareWithPostProcessing(left, right, Pattern
.compile("http://www.eclipse.org/emf/compare/tests/nodes"), null);
assertSame(Integer.valueOf(2), Integer.valueOf(comparison.getMatches().size()));
}
@Test
public void testA2UseCase() throws IOException {
final Resource left = input.getLeft();
final Resource right = input.getRight();
// Post processing (add a match element) if EMF Compare scans a model from the names
// matches the regex ".*/nodes" at least.
final Comparison comparison = compareWithPostProcessing(left, right, Pattern.compile(".*/nodes"),
null);
assertSame(Integer.valueOf(2), Integer.valueOf(comparison.getMatches().size()));
}
@Test
public void testA3UseCase() throws IOException {
final Resource left = input.getLeft();
final Resource right = input.getRight();
// No post processes if the regex matches no scanned namespace URIs.
final Comparison comparison = compareWithPostProcessing(left, right, Pattern.compile(".*/nides"),
null);
assertSame(Integer.valueOf(1), Integer.valueOf(comparison.getMatches().size()));
}
@Test
public void testA4UseCase() throws IOException {
final Resource left = input.getLeft();
final Resource right = input.getRight();
// No post processes if the regex matches no scanned namespace URIs (null value case)
final Comparison comparison = compareWithPostProcessing(left, right, null, null);
assertSame(Integer.valueOf(1), Integer.valueOf(comparison.getMatches().size()));
}
@Test
public void testA5UseCase() throws IOException {
final Resource left = input.getLeft();
final Resource right = input.getRight();
// No post processes if the regex matches no scanned namespace URIs (empty value cas)
final Comparison comparison = compareWithPostProcessing(left, right, Pattern.compile(""), null);
assertSame(Integer.valueOf(1), Integer.valueOf(comparison.getMatches().size()));
}
@Test
public void testA6UseCase() throws IOException {
final Resource left = input.getLeft();
final Resource right = input.getRight();
// No post processes if the regex matches no scanned namespace URIs (blank value cas)
final Comparison comparison = compareWithPostProcessing(left, right, Pattern.compile(" "), null);
assertSame(Integer.valueOf(1), Integer.valueOf(comparison.getMatches().size()));
}
@Test
public void testB1UseCase() throws IOException {
final Resource left = input.getLeft();
final Resource right = input.getRight();
// Post processing (add a match element) if EMF Compare scans a resource where its U
// the specified one at least.
final Comparison comparison = compareWithPostProcessing(left, right, null, Pattern.compile(left
.getURI().toString()));
assertSame(Integer.valueOf(2), Integer.valueOf(comparison.getMatches().size()));
}
@Test
public void testB2UseCase() throws IOException {
final Resource left = input.getLeft();
final Resource right = input.getRight();
// Post processing (add a match element) if EMF Compare scans a resource where its U
// specified regex at least.
final Comparison comparison = compareWithPostProcessing(left, right, null, Pattern
.compile(".*.nodes"));
assertSame(Integer.valueOf(2), Integer.valueOf(comparison.getMatches().size()));
}
@Test
public void testB3UseCase() throws IOException {
final Resource left = input.getLeft();
final Resource right = input.getRight();
// No post processes if the regex matches no scanned resource URIs
final Comparison comparison = compareWithPostProcessing(left, right, null, Pattern
.compile(".*.nides"));
assertSame(Integer.valueOf(1), Integer.valueOf(comparison.getMatches().size()));
}
@Test
public void testB4UseCase() throws IOException {
final Resource left = input.getLeft();
final Resource right = input.getRight();
// No post processes if the regex matches no scanned resource URIs (empty value)
final Comparison comparison = compareWithPostProcessing(left, right, null, Pattern.compile(""));
assertSame(Integer.valueOf(1), Integer.valueOf(comparison.getMatches().size()));
}
@Test
public void testB5UseCase() throws IOException {
final Resource left = input.getLeft();
final Resource right = input.getRight();
// No post processes if the regex matches no scanned resource URIs (blank value)
final Comparison comparison = compareWithPostProcessing(left, right, null, Pattern.compile(" "));
assertSame(Integer.valueOf(1), Integer.valueOf(comparison.getMatches().size()));
}
@Test
public void testOrderingPostProcessors() throws IOException {
final Resource left = input.getLeft();
final Resource right = input.getRight();
final IComparisonScope scope = new DefaultComparisonScope(left, right, null);
PostProcessorDescriptorRegistryImpl registry = new PostProcessorDescriptorRegistryImpl();
registry.put(TestPostProcessor1.class.getName(), new TestPostProcessorDescriptor(Pattern.compile(""),
null, new TestPostProcessor1(), 1));
registry.put(TestPostProcessor2.class.getName(), new TestPostProcessorDescriptor(Pattern
.compile("http://www.eclipse.org/emf/compare/tests/nodes"), null, new TestPostProcessor2(),
10));
registry.put(TestPostProcessor3.class.getName(),
new TestPostProcessorDescriptor(Pattern
.compile("http://www.eclipse.org/emf/compare/tests/nodes"), null,
new TestPostProcessor3(), 9));
registry.put(TestPostProcessor4.class.getName(), new TestPostProcessorDescriptor(Pattern
.compile("http://www.eclipse.org/emf/compare/tests/nodes"), null, new TestPostProcessor4(),
11));
// Populate nsURIs of the scope.
EMFCompare.builder().setPostProcessorRegistry(registry).build().compare(scope);
List<IPostProcessor> postProcessors = registry.getPostProcessors(scope);
assertEquals(3, postProcessors.size());
assertTrue(postProcessors.get(0) instanceof TestPostProcessor3);
assertTrue(postProcessors.get(1) instanceof TestPostProcessor2);
assertTrue(postProcessors.get(2) instanceof TestPostProcessor4);
}
private Comparison compareWithPostProcessing(Resource left, Resource right, Pattern nsURI,
Pattern resourceURI) {
PostProcessorDescriptorRegistryImpl registry = new PostProcessorDescriptorRegistryImpl();
registry.put(TestPostProcessor.class.getName(), new TestPostProcessorDescriptor(nsURI, resourceURI,
new TestPostProcessor(), 10));
final IComparisonScope scope = new DefaultComparisonScope(left, right, null);
return EMFCompare.builder().setPostProcessorRegistry(registry).build().compare(scope);
}
/**
* Empty Implementation, used to test ordering
*/
private class TestPostProcessor1 extends TestPostProcessor {
}
/**
* Empty Implementation, used to test ordering
*/
private class TestPostProcessor2 extends TestPostProcessor {
}
/**
* Empty Implementation, used to test ordering
*/
private class TestPostProcessor3 extends TestPostProcessor {
}
/**
* Empty Implementation, used to test ordering
*/
private class TestPostProcessor4 extends TestPostProcessor {
}
}
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