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/*******************************************************************************
* Copyright (c) 2007, 2008 compeople AG 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:
* compeople AG (Stefan Liebig) - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.p2.tests.artifact.optimizers;
import java.io.*;
import java.util.Arrays;
import junit.framework.TestCase;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.equinox.internal.p2.artifact.optimizers.jbdiff.JBDiffZipStep;
import org.eclipse.equinox.internal.p2.core.helpers.FileUtils;
import org.eclipse.equinox.internal.p2.metadata.ArtifactKey;
import org.eclipse.equinox.internal.provisional.p2.metadata.IArtifactKey;
import org.eclipse.equinox.internal.provisional.p2.metadata.Version;
import org.eclipse.equinox.p2.repository.artifact.IArtifactRepository;
import org.eclipse.equinox.p2.repository.artifact.ProcessingStepDescriptor;
import org.eclipse.equinox.p2.repository.artifact.spi.ArtifactDescriptor;
import org.eclipse.equinox.p2.tests.artifact.processors.ArtifactRepositoryMock;
import org.eclipse.equinox.p2.tests.optimizers.TestData;
/**
* Test the <code>JBDiffZipTest</code> processing step.
*/
public class JBDiffZipStepTest extends TestCase {
/**
* Test diffing the <b>normalized</b> jars. This is indicated by the extension ".njar".
*
* @throws IOException
*/
public void testDiffJdt32to33() throws IOException {
IArtifactRepository repoMock = ArtifactRepositoryMock.getMock("testData/optimizers/org.eclipse.jdt_3.2.0.v20060605-1400.njar");
MockableJBDiffZipStep differ = new MockableJBDiffZipStep(repoMock);
ProcessingStepDescriptor stepDescriptor = new ProcessingStepDescriptor("id", "ns,cl,id1,1.0", true);
IArtifactKey key = new ArtifactKey("cl", "id1", Version.create("1.1"));
ArtifactDescriptor descriptor = new ArtifactDescriptor(key);
differ.initialize(stepDescriptor, descriptor);
ByteArrayOutputStream destination = new ByteArrayOutputStream();
differ.link(destination, new NullProgressMonitor());
InputStream inputStream = TestData.get("optimizers", "org.eclipse.jdt_3.3.0.v20070607-1300.njar");
FileUtils.copyStream(inputStream, true, differ, true);
inputStream = TestData.get("optimizers", "org.eclipse.jdt_3.2.0-3.3.0.jbdiff");
ByteArrayOutputStream expected = new ByteArrayOutputStream();
FileUtils.copyStream(inputStream, true, expected, true);
assertTrue("Different diff bytes.", Arrays.equals(expected.toByteArray(), destination.toByteArray()));
}
/**
* Need to inject a repository!
*/
private static class MockableJBDiffZipStep extends JBDiffZipStep {
public MockableJBDiffZipStep(IArtifactRepository repository) {
super(repository);
}
}
}
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