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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 org.jetbrains.idea.devkit.testAssistant;
import com.intellij.codeInsight.AnnotationUtil;
import com.intellij.execution.Location;
import com.intellij.execution.PsiLocation;
import com.intellij.execution.junit2.PsiMemberParameterizedLocation;
import com.intellij.execution.junit2.info.MethodLocation;
import com.intellij.ide.impl.dataRules.GetDataRule;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.DataProvider;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.ProjectFileIndex;
import com.intellij.openapi.roots.ProjectRootManager;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.VfsUtilCore;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.*;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.psi.search.GlobalSearchScopesCore;
import com.intellij.psi.search.PsiSearchHelper;
import com.intellij.testFramework.Parameterized;
import com.intellij.testFramework.TestDataPath;
import com.intellij.util.CommonProcessors;
import com.intellij.util.containers.ContainerUtil;
import gnu.trove.THashSet;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.*;
public class TestLocationDataRule implements GetDataRule {
@Nullable
@Override
public Object getData(DataProvider dataProvider) {
final Project project = CommonDataKeys.PROJECT.getData(dataProvider);
final VirtualFile file = CommonDataKeys.VIRTUAL_FILE.getData(dataProvider);
if (project != null && file != null) {
final List<Location> locations = collectRelativeLocations(project, file);
return locations.size() == 1 ? locations.get(0) : null;
}
return null;
}
@NotNull
protected static List<Location> collectRelativeLocations(Project project, VirtualFile file) {
final List<Location> locations = new ArrayList<Location>();
final ProjectFileIndex fileIndex = ProjectRootManager.getInstance(project).getFileIndex();
if (fileIndex.isInContent(file) && !fileIndex.isInSource(file) && !fileIndex.isInLibraryClasses(file)) {
final VirtualFile parent = file.getParent();
final VirtualFile contentRoot = fileIndex.getContentRootForFile(file);
if (contentRoot != null) {
final String relativePath = VfsUtilCore.getRelativePath(parent, contentRoot, '/');
if (relativePath != null) {
final PsiSearchHelper searchHelper = PsiSearchHelper.SERVICE.getInstance(project);
final List<String> words = StringUtil.getWordsIn(relativePath);
// put longer strings first
Collections.sort(words, new Comparator<String>() {
@Override
public int compare(final String o1, final String o2) {
return o2.length() - o1.length();
}
});
final GlobalSearchScope testScope = GlobalSearchScopesCore.projectTestScope(project);
Set<PsiFile> resultFiles = null;
for (String word : words) {
if (word.length() < 5) {
continue;
}
final Set<PsiFile> files = new THashSet<PsiFile>();
searchHelper.processAllFilesWithWordInLiterals(word, testScope, new CommonProcessors.CollectProcessor<PsiFile>(files));
if (resultFiles == null) {
resultFiles = files;
}
else {
resultFiles.retainAll(files);
}
if (resultFiles.isEmpty()) break;
}
if (resultFiles != null) {
for (Iterator<PsiFile> iterator = resultFiles.iterator(); iterator.hasNext(); ) {
if (!VfsUtilCore.isAncestor(contentRoot, iterator.next().getVirtualFile(), true)) {
iterator.remove();
}
}
final String fileName = file.getName();
final String nameWithoutExtension = file.getNameWithoutExtension();
for (PsiFile resultFile : resultFiles) {
if (resultFile instanceof PsiClassOwner) {
final PsiClass[] classes = ((PsiClassOwner)resultFile).getClasses();
if (classes.length > 0) {
ContainerUtil.addIfNotNull(locations, getLocation(project, fileName, nameWithoutExtension, classes[0]));
}
}
}
}
}
}
}
return locations;
}
@Nullable
private static Location getLocation(Project project,
String fileName,
String nameWithoutExtension,
PsiClass aClass) {
final PsiAnnotation annotation = AnnotationUtil.findAnnotation(aClass, TestDataPath.class.getName());
if (annotation != null) {
final Location parameterizedLocation =
PsiMemberParameterizedLocation.getParameterizedLocation(aClass, "[" + fileName + "]", Parameterized.class.getName());
if (parameterizedLocation != null) {
return parameterizedLocation;
}
if (StringUtil.isJavaIdentifier(nameWithoutExtension)) {
final PsiElementFactory elementFactory = JavaPsiFacade.getElementFactory(project);
PsiMethod method = aClass.findMethodBySignature(elementFactory.createMethod("test" + nameWithoutExtension, PsiType.VOID), true);
if (method != null) {
return MethodLocation.elementInClass(method, aClass);
}
method = aClass.findMethodBySignature(elementFactory.createMethod("test" + StringUtil.capitalize(nameWithoutExtension), PsiType.VOID), true);
if (method != null) {
return MethodLocation.elementInClass(method, aClass);
}
}
return new PsiLocation<PsiElement>(project, aClass);
}
return null;
}
}
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