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/*
* Copyright 2000-2009 JetBrains s.r.o.
*
* 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 com.intellij.execution.testframework;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
public abstract class Filter<T extends AbstractTestProxy> {
/**
* All instances (and subclasses's instances) should be singletons.
*
* @see com.intellij.execution.junit2.TestProxy#selectChildren
*/
protected Filter() {
}
public abstract boolean shouldAccept(T test);
public List<T> select(final List<? extends T> tests) {
final List<T> result = new ArrayList<T>();
for (final T test : tests) {
if (shouldAccept(test)) result.add(test);
}
return result;
}
@Nullable
public T detectIn(final Collection<? extends T> collection) {
for (final T test : collection) {
if (shouldAccept(test)) return test;
}
return null;
}
public Filter not() {
return new NotFilter(this);
}
public Filter and(final Filter filter) {
return new AndFilter(this, filter);
}
public Filter or(final Filter filter) {
return new OrFilter(this, filter);
}
public static final Filter NO_FILTER = new Filter() {
public boolean shouldAccept(final AbstractTestProxy test) {
return true;
}
};
public static final Filter DEFECT = new Filter() {
public boolean shouldAccept(final AbstractTestProxy test) {
return test.isDefect();
}
};
public static final Filter IGNORED = new Filter() {
public boolean shouldAccept(final AbstractTestProxy test) {
return test.isIgnored();
}
};
public static final Filter NOT_PASSED = new Filter() {
public boolean shouldAccept(final AbstractTestProxy test) {
return !test.isPassed();
}
};
public static final Filter PASSED = new Filter() {
public boolean shouldAccept(final AbstractTestProxy test) {
return test.isPassed();
}
};
public static final Filter FAILED_OR_INTERRUPTED = new Filter() {
public boolean shouldAccept(final AbstractTestProxy test) {
return test.isInterrupted() || test.isDefect();
}
};
public static final Filter LEAF = new Filter() {
public boolean shouldAccept(final AbstractTestProxy test) {
return test.isLeaf();
}
};
public static final Filter DEFECTIVE_LEAF = DEFECT.and(new Filter() {
@Override
public boolean shouldAccept(AbstractTestProxy test) {
if (test.isLeaf()) return true;
for (AbstractTestProxy testProxy : test.getChildren()) {
if (testProxy.isDefect()) return false;
}
return true;
}
});
private static class AndFilter extends Filter {
private final Filter myFilter1;
private final Filter myFilter2;
public AndFilter(final Filter filter1, final Filter filter2) {
myFilter1 = filter1;
myFilter2 = filter2;
}
public boolean shouldAccept(final AbstractTestProxy test) {
return myFilter1.shouldAccept(test) && myFilter2.shouldAccept(test);
}
}
private static class NotFilter extends Filter {
private final Filter myFilter;
public NotFilter(final Filter filter) {
myFilter = filter;
}
public boolean shouldAccept(final AbstractTestProxy test) {
return !myFilter.shouldAccept(test);
}
}
private static class OrFilter extends Filter {
private final Filter myFilter1;
private final Filter myFilter2;
public OrFilter(final Filter filter1, final Filter filter2) {
myFilter1 = filter1;
myFilter2 = filter2;
}
public boolean shouldAccept(final AbstractTestProxy test) {
return myFilter1.shouldAccept(test) || myFilter2.shouldAccept(test);
}
}
}
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