/*
* 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.junit;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.junit.internal.runners.ErrorReportingRunner;
import org.junit.runner.Description;
import org.junit.runner.Runner;
import org.junit.runner.manipulation.Filter;
import org.junit.runners.Parameterized;
import org.pitest.functional.F;
import org.pitest.functional.FCollection;
import org.pitest.functional.Option;
import org.pitest.junit.adapter.AdaptedJUnitTestUnit;
import org.pitest.testapi.TestUnit;
import org.pitest.testapi.TestUnitFinder;
public class ParameterisedJUnitTestFinder implements TestUnitFinder {
@Override
public List<TestUnit> findTestUnits(final Class<?> clazz) {
final Runner runner = AdaptedJUnitTestUnit.createRunner(clazz);
if ((runner == null)
|| runner.getClass().isAssignableFrom(ErrorReportingRunner.class)) {
return Collections.emptyList();
}
if (isParameterizedTest(runner)) {
return handleParameterizedTest(clazz, runner.getDescription());
}
return Collections.emptyList();
}
private List<TestUnit> handleParameterizedTest(final Class<?> clazz,
final Description description) {
final List<TestUnit> result = new ArrayList<TestUnit>();
for (final Description each : description.getChildren()) {
FCollection.mapTo(each.getChildren(), parameterizedToTestUnit(clazz),
result);
}
return result;
}
private F<Description, TestUnit> parameterizedToTestUnit(final Class<?> clazz) {
return new F<Description, TestUnit>() {
@Override
public TestUnit apply(final Description a) {
return new AdaptedJUnitTestUnit(clazz,
Option.<Filter> some(new ParameterisedTestFilter(a.toString())));
}
};
}
private boolean isParameterizedTest(final Runner runner) {
return Parameterized.class.isAssignableFrom(runner.getClass());
}
}