org.pitest.mutationtest.build.TestInfoPriorisationComparator Maven / Gradle / Ivy
/*
* Copyright 2011 Henry Coles
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and limitations under the License.
*/
package org.pitest.mutationtest.build;
import java.io.Serializable;
import java.util.Comparator;
import org.pitest.classinfo.ClassName;
import org.pitest.coverage.TestInfo;
public class TestInfoPriorisationComparator implements Comparator,
Serializable {
private static final long serialVersionUID = 1L;
private final int distanceTimeWeighting;
private final ClassName targetClass;
public TestInfoPriorisationComparator(final ClassName targetClass,
final int distanceTimeWeighting) {
this.targetClass = targetClass;
this.distanceTimeWeighting = distanceTimeWeighting;
}
@Override
public int compare(final TestInfo arg0, final TestInfo arg1) {
final int t0 = arg0.getTime();
final int t1 = arg1.getTime();
return t0 - t1 - distanceWeighting(arg0, arg1);
}
private int distanceWeighting(final TestInfo arg0, final TestInfo arg1) {
return weightFor(arg0) - weightFor(arg1);
}
private int weightFor(final TestInfo ti) {
return weightForDirectHit(ti) - (ti.getNumberOfBlocksCovered() / 10);
}
private int weightForDirectHit(final TestInfo arg0) {
return arg0.directlyHits(this.targetClass) ? this.distanceTimeWeighting : 0;
}
}