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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.codeHighlighting.Pass;
import com.intellij.codeInsight.AnnotationUtil;
import com.intellij.codeInsight.daemon.GutterIconNavigationHandler;
import com.intellij.codeInsight.daemon.LineMarkerInfo;
import com.intellij.codeInsight.daemon.LineMarkerProvider;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.editor.markup.GutterIconRenderer;
import com.intellij.openapi.fileEditor.OpenFileDescriptor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.ProjectFileIndex;
import com.intellij.openapi.roots.ProjectRootManager;
import com.intellij.openapi.vfs.VfsUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.*;
import com.intellij.psi.util.PsiUtilCore;
import com.intellij.util.Function;
import com.intellij.util.PlatformIcons;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.awt.event.MouseEvent;
import java.io.File;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
/**
* @author yole
*/
public class TestDataLineMarkerProvider implements LineMarkerProvider {
public static final String TEST_DATA_PATH_ANNOTATION_QUALIFIED_NAME = "com.intellij.testFramework.TestDataPath";
public static final String CONTENT_ROOT_VARIABLE = "$CONTENT_ROOT";
public static final String PROJECT_ROOT_VARIABLE = "$PROJECT_ROOT";
public LineMarkerInfo getLineMarkerInfo(@NotNull PsiElement element) {
if (ApplicationManager.getApplication().isUnitTestMode()) {
return null;
}
final VirtualFile file = PsiUtilCore.getVirtualFile(element);
if (file == null || !ProjectFileIndex.SERVICE.getInstance(element.getProject()).isInTestSourceContent(file)) {
return null;
}
if (element instanceof PsiMethod) {
final PsiMethod method = (PsiMethod)element;
if (isTestMethod(method)) {
return new LineMarkerInfo<PsiMethod>(
method, method.getModifierList().getTextRange(), PlatformIcons.TEST_SOURCE_FOLDER, Pass.UPDATE_ALL, null, new TestDataNavigationHandler(),
GutterIconRenderer.Alignment.LEFT);
}
} else if (element instanceof PsiClass) {
final PsiClass psiClass = (PsiClass)element;
final String basePath = getTestDataBasePath(psiClass);
if (basePath != null) {
PsiModifierList modifierList = psiClass.getModifierList();
assert modifierList != null;
return new LineMarkerInfo<PsiClass>(
psiClass, modifierList.getTextRange(), PlatformIcons.TEST_SOURCE_FOLDER, Pass.UPDATE_ALL,
new TooltipProvider(basePath), new GutterIconNavigationHandler<PsiClass>() {
@Override
public void navigate(MouseEvent e, PsiClass elt) {
final VirtualFile baseDir = VfsUtil.findFileByIoFile(new File(basePath), true);
if (baseDir != null) {
new OpenFileDescriptor(psiClass.getProject(), baseDir).navigate(true);
}
}
},
GutterIconRenderer.Alignment.LEFT);
}
}
return null;
}
private static boolean isTestMethod(@NotNull PsiMethod method) {
if (isTestMethodWithAnnotation(method)) {
return true;
}
final List<String> files = TestDataGuessByExistingFilesUtil.collectTestDataByExistingFiles(method);
return files != null && !files.isEmpty();
}
private static boolean isTestMethodWithAnnotation(@NotNull PsiMethod method) {
String name = method.getName();
if (!name.startsWith("test")) {
return false;
}
String testDataPath = getTestDataBasePath(method.getContainingClass());
if (testDataPath == null) {
return false;
}
List<String> fileNames = new TestDataReferenceCollector(testDataPath, TestDataGuessByExistingFilesUtil.getTestName(name)).collectTestDataReferences(method);
return fileNames != null && !fileNames.isEmpty();
}
public void collectSlowLineMarkers(@NotNull List<PsiElement> elements, @NotNull Collection<LineMarkerInfo> result) {
}
@Nullable
public static String getTestDataBasePath(PsiClass psiClass) {
final PsiAnnotation annotation = AnnotationUtil.findAnnotationInHierarchy(psiClass,
Collections.singleton(TEST_DATA_PATH_ANNOTATION_QUALIFIED_NAME));
if (annotation != null) {
final PsiAnnotationMemberValue value = annotation.findAttributeValue(PsiAnnotation.DEFAULT_REFERENCED_METHOD_NAME);
if (value instanceof PsiExpression) {
final Project project = value.getProject();
final PsiConstantEvaluationHelper evaluationHelper = JavaPsiFacade.getInstance(project).getConstantEvaluationHelper();
final Object constantValue = evaluationHelper.computeConstantExpression(value, false);
if (constantValue instanceof String) {
String path = (String) constantValue;
if (path.contains(CONTENT_ROOT_VARIABLE)) {
final ProjectFileIndex fileIndex = ProjectRootManager.getInstance(project).getFileIndex();
final VirtualFile file = psiClass.getContainingFile().getVirtualFile();
if (file == null) {
return null;
}
final VirtualFile contentRoot = fileIndex.getContentRootForFile(file);
if (contentRoot == null) return null;
path = path.replace(CONTENT_ROOT_VARIABLE, contentRoot.getPath());
}
if (path.contains(PROJECT_ROOT_VARIABLE)) {
final VirtualFile baseDir = project.getBaseDir();
if (baseDir == null) {
return null;
}
path = path.replace(PROJECT_ROOT_VARIABLE, baseDir.getPath());
}
return path;
}
}
}
return null;
}
private static class TooltipProvider implements Function<PsiClass, String> {
@NotNull private final String myBasePath;
public TooltipProvider(@NotNull String basePath) {
myBasePath = basePath;
}
@Override
public String fun(PsiClass aClass) {
return myBasePath;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof TooltipProvider)) return false;
TooltipProvider provider = (TooltipProvider)o;
if (!myBasePath.equals(provider.myBasePath)) return false;
return true;
}
@Override
public int hashCode() {
return myBasePath.hashCode();
}
}
}
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