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/*******************************************************************************
* Copyright (c) 2010 Sonatype, Inc 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:
* Sonatype, Inc. - initial API and implementation
* IBM Corporation - ongoing development
*******************************************************************************/
package org.eclipse.equinox.p2.tests.planner;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.equinox.p2.engine.IProfile;
import org.eclipse.equinox.p2.engine.IProvisioningPlan;
import org.eclipse.equinox.p2.metadata.*;
import org.eclipse.equinox.p2.planner.IPlanner;
import org.eclipse.equinox.p2.planner.IProfileChangeRequest;
import org.eclipse.equinox.p2.query.QueryUtil;
import org.eclipse.equinox.p2.tests.AbstractProvisioningTest;
public class Bug306279c extends AbstractProvisioningTest {
public void testGreedy() throws OperationCanceledException {
IInstallableUnit x, y, a1, a2, b;
x = createIU("X");
//Y -ng-> X
IRequirement[] reqY = new IRequirement[1];
reqY[0] = MetadataFactory.createRequirement(IInstallableUnit.NAMESPACE_IU_ID, "X", VersionRange.emptyRange, null, true, false, false);
y = createIU("Y", Version.create("1.0.0"), reqY);
//B --> As
IRequirement[] reqB = new IRequirement[1];
reqB[0] = MetadataFactory.createRequirement(IInstallableUnit.NAMESPACE_IU_ID, "A", VersionRange.emptyRange, null, false, false, true);
b = createIU("B", Version.create("1.0.0"), reqB);
//Av1 -> X
IRequirement[] reqXfromA1 = new IRequirement[1];
reqXfromA1[0] = MetadataFactory.createRequirement(IInstallableUnit.NAMESPACE_IU_ID, "X", VersionRange.emptyRange, null, false, false, true);
a1 = createIU("A", Version.create("1.0.0"), reqXfromA1);
//Av2 -ng-> X
IRequirement[] reqXfromA2 = new IRequirement[1];
reqXfromA2[0] = MetadataFactory.createRequirement(IInstallableUnit.NAMESPACE_IU_ID, "X", VersionRange.emptyRange, null, true, false, false);
a2 = createIU("A", Version.create("2.0.0"), reqXfromA2);
IPlanner planner = createPlanner();
IProfile profile = createProfile(getUniqueString());
IProfileChangeRequest pcr = planner.createChangeRequest(profile);
pcr.add(y);
pcr.add(b);
//Adding the following negative requirement on X shows that the problem has a solution without X being part of the solution
// IRequirement negation = MetadataFactory.createRequirement(IInstallableUnit.NAMESPACE_IU_ID, "X", VersionRange.emptyRange, null, 0, 0, false);
// Collection<IRequirement> req = new ArrayList<IRequirement>();
// req.add(negation);
// pcr.addExtraRequirements(req);
createTestMetdataRepository(new IInstallableUnit[] {x, y, a1, a2, b});
IProvisioningPlan result = planner.getProvisioningPlan(pcr, null, null);
assertEquals(IStatus.OK, result.getStatus().getCode());
//verify that x is not there.
assertTrue(result.getAdditions().query(QueryUtil.createIUQuery(x), null).isEmpty());
}
}
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