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/*
* Copyright 2000-2014 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.testIntegration;
import com.intellij.codeInsight.TestFrameworks;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.roots.ProjectFileIndex;
import com.intellij.openapi.roots.ProjectRootManager;
import com.intellij.openapi.util.Pair;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiNamedElement;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.psi.search.PsiShortNamesCache;
import com.intellij.util.CommonProcessors;
import com.intellij.util.Processor;
import com.intellij.util.containers.HashSet;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.regex.Pattern;
public class JavaTestFinder implements TestFinder {
public PsiClass findSourceElement(@NotNull PsiElement element) {
return TestIntegrationUtils.findOuterClass(element);
}
@NotNull
public Collection<PsiElement> findClassesForTest(@NotNull PsiElement element) {
PsiClass klass = findSourceElement(element);
if (klass == null) return Collections.emptySet();
GlobalSearchScope scope = getSearchScope(element);
PsiShortNamesCache cache = PsiShortNamesCache.getInstance(element.getProject());
List<Pair<? extends PsiNamedElement, Integer>> classesWithWeights = new ArrayList<Pair<? extends PsiNamedElement, Integer>>();
for (Pair<String, Integer> eachNameWithWeight : TestFinderHelper.collectPossibleClassNamesWithWeights(klass.getName())) {
for (PsiClass eachClass : cache.getClassesByName(eachNameWithWeight.first, scope)) {
if (isTestSubjectClass(eachClass)) {
classesWithWeights.add(Pair.create(eachClass, eachNameWithWeight.second));
}
}
}
return TestFinderHelper.getSortedElements(classesWithWeights, false);
}
protected GlobalSearchScope getSearchScope(PsiElement element) {
final Module module = getModule(element);
if (module != null) {
return GlobalSearchScope.moduleWithDependenciesScope(module);
}
else {
return GlobalSearchScope.projectScope(element.getProject());
}
}
private static boolean isTestSubjectClass(PsiClass klass) {
if (klass.isAnnotationType() || TestFrameworks.getInstance().isTestClass(klass)) {
return false;
}
return true;
}
@NotNull
public Collection<PsiElement> findTestsForClass(@NotNull PsiElement element) {
PsiClass klass = findSourceElement(element);
if (klass == null) return Collections.emptySet();
List<Pair<? extends PsiNamedElement, Integer>> classesWithProximities = new ArrayList<Pair<? extends PsiNamedElement, Integer>>();
final CommonProcessors.CollectProcessor<Pair<? extends PsiNamedElement, Integer>> processor =
new CommonProcessors.CollectProcessor<Pair<? extends PsiNamedElement, Integer>>(classesWithProximities);
collectTests(klass, processor);
return TestFinderHelper.getSortedElements(classesWithProximities, true);
}
private boolean collectTests(PsiClass klass, Processor<Pair<? extends PsiNamedElement, Integer>> processor) {
GlobalSearchScope scope = getSearchScope(klass);
PsiShortNamesCache cache = PsiShortNamesCache.getInstance(klass.getProject());
String klassName = klass.getName();
Pattern pattern = Pattern.compile(".*" + klassName + ".*");
HashSet<String> names = new HashSet<String>();
cache.getAllClassNames(names);
final TestFrameworks frameworks = TestFrameworks.getInstance();
for (String eachName : names) {
if (pattern.matcher(eachName).matches()) {
for (PsiClass eachClass : cache.getClassesByName(eachName, scope)) {
if (frameworks.isTestClass(eachClass) || frameworks.isPotentialTestClass(eachClass)) {
if (!processor.process(Pair.create(eachClass, TestFinderHelper.calcTestNameProximity(klassName, eachName)))) {
return true;
}
}
}
}
}
return false;
}
@Nullable
private static Module getModule(PsiElement element) {
ProjectFileIndex index = ProjectRootManager.getInstance(element.getProject()).getFileIndex();
return index.getModuleForFile(element.getContainingFile().getVirtualFile());
}
public boolean isTest(@NotNull PsiElement element) {
return TestIntegrationUtils.isTest(element);
}
}
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