/*
* Copyright 2010 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.engine.gregor;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.Set;
import org.pitest.classinfo.ClassByteArraySource;
import org.pitest.functional.F;
import org.pitest.functional.FCollection;
import org.pitest.functional.predicate.Predicate;
import org.pitest.mutationtest.engine.Mutater;
import org.pitest.mutationtest.engine.MutationEngine;
import org.pitest.mutationtest.engine.gregor.inlinedcode.InlinedCodeFilter;
/**
* The default (and currently only) mutation engine for PIT.
*
* In case anyone was wondering I'm named after either Gregor Mendel or Gregor
* Samsa, or maybe both.
*/
public class GregorMutationEngine implements MutationEngine {
private final Set<MethodMutatorFactory> mutationOperators = new LinkedHashSet<MethodMutatorFactory>();
private final Set<String> loggingClasses = new LinkedHashSet<String>();
private final Predicate<MethodInfo> methodFilter;
private final InlinedCodeFilter inlinedCodeDetector;
public GregorMutationEngine(final MutationEngineConfiguration config) {
this.methodFilter = config.methodFilter();
this.mutationOperators.addAll(config.mutators());
this.loggingClasses.addAll(config.doNotMutateCallsTo());
this.inlinedCodeDetector = config.inlinedCodeDetector();
}
@Override
public Mutater createMutator(final ClassByteArraySource byteSource) {
return new GregorMutater(byteSource, this.methodFilter,
this.mutationOperators, this.loggingClasses, this.inlinedCodeDetector);
}
@Override
public String toString() {
return "GregorMutationEngine [filter=" + this.methodFilter
+ ", mutationOperators=" + this.mutationOperators + "]";
}
@Override
public Collection<String> getMutatorNames() {
return FCollection.map(this.mutationOperators, toName());
}
private static F<MethodMutatorFactory, String> toName() {
return new F<MethodMutatorFactory, String>() {
@Override
public String apply(final MethodMutatorFactory a) {
return a.getName();
}
};
}
}