blob: e648ce92f2f5ebe74501a7e5745c269e8dd9b5f7 [file] [log] [blame]
/*******************************************************************************
* Copyright (c) 2000, 2017 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* Sebastian Davids <sdavids@gmx.de> - bug 48696
*******************************************************************************/
package org.eclipse.jdt.internal.junit.ui;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.HashSet;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.resources.IFile;
import org.eclipse.text.edits.MalformedTreeException;
import org.eclipse.text.edits.TextEdit;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.contentassist.IContextInformation;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ltk.core.refactoring.Change;
import org.eclipse.ltk.core.refactoring.CompositeChange;
import org.eclipse.ltk.core.refactoring.PerformChangeOperation;
import org.eclipse.ltk.core.refactoring.RefactoringCore;
import org.eclipse.ltk.core.refactoring.TextFileChange;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.compiler.IProblem;
import org.eclipse.jdt.core.dom.ASTNode;
import org.eclipse.jdt.core.dom.BodyDeclaration;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jdt.core.dom.IAnnotationBinding;
import org.eclipse.jdt.core.dom.IMethodBinding;
import org.eclipse.jdt.core.dom.ITypeBinding;
import org.eclipse.jdt.core.dom.MarkerAnnotation;
import org.eclipse.jdt.core.dom.MethodDeclaration;
import org.eclipse.jdt.core.dom.rewrite.ImportRewrite;
import org.eclipse.jdt.internal.junit.BasicElementLabels;
import org.eclipse.jdt.internal.junit.JUnitCorePlugin;
import org.eclipse.jdt.internal.junit.Messages;
import org.eclipse.jdt.internal.junit.util.ExceptionHandler;
import org.eclipse.jdt.internal.junit.util.JUnitStubUtility;
import org.eclipse.jdt.ui.CodeStyleConfiguration;
import org.eclipse.jdt.ui.ISharedImages;
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.jdt.ui.PreferenceConstants;
import org.eclipse.jdt.ui.text.java.ClasspathFixProcessor;
import org.eclipse.jdt.ui.text.java.ClasspathFixProcessor.ClasspathFixProposal;
import org.eclipse.jdt.ui.text.java.IInvocationContext;
import org.eclipse.jdt.ui.text.java.IJavaCompletionProposal;
import org.eclipse.jdt.ui.text.java.IProblemLocation;
import org.eclipse.jdt.ui.text.java.IQuickFixProcessor;
public class JUnitQuickFixProcessor implements IQuickFixProcessor {
private static final HashSet<String> ASSERT_METHOD_NAMES= new HashSet<>();
public JUnitQuickFixProcessor() {
ASSERT_METHOD_NAMES.add("fail"); //$NON-NLS-1$
ASSERT_METHOD_NAMES.add("assertTrue"); //$NON-NLS-1$
ASSERT_METHOD_NAMES.add("assertFalse"); //$NON-NLS-1$
ASSERT_METHOD_NAMES.add("assertEquals"); //$NON-NLS-1$
ASSERT_METHOD_NAMES.add("assertNotNull"); //$NON-NLS-1$
ASSERT_METHOD_NAMES.add("assertNull"); //$NON-NLS-1$
ASSERT_METHOD_NAMES.add("assertSame"); //$NON-NLS-1$
ASSERT_METHOD_NAMES.add("assertNotSame"); //$NON-NLS-1$
ASSERT_METHOD_NAMES.add("failNotEquals"); //$NON-NLS-1$
ASSERT_METHOD_NAMES.add("failSame"); //$NON-NLS-1$
ASSERT_METHOD_NAMES.add("failNotSame"); //$NON-NLS-1$
}
@Override
public boolean hasCorrections(ICompilationUnit unit, int problemId) {
return problemId == IProblem.UndefinedType || problemId == IProblem.UndefinedMethod;
}
@Override
public IJavaCompletionProposal[] getCorrections(final IInvocationContext context, IProblemLocation[] locations) {
ArrayList<IJavaCompletionProposal> res= null;
for (IProblemLocation problem : locations) {
int id= problem.getProblemId();
if (IProblem.UndefinedType == id) {
res= getAddJUnitToBuildPathProposals(context, problem, res);
} else if (id == IProblem.UndefinedMethod) {
String currentPreferenceValue= PreferenceConstants.getPreferenceStore().getString(PreferenceConstants.CODEASSIST_FAVORITE_STATIC_MEMBERS);
if (!currentPreferenceValue.contains("org.junit.Assert.*")) { //$NON-NLS-1$
res= getAddAssertImportProposals(context, problem, res);
}
}
}
if (res == null || res.isEmpty()) {
return null;
}
return res.toArray(new IJavaCompletionProposal[res.size()]);
}
private ArrayList<IJavaCompletionProposal> getAddAssertImportProposals(IInvocationContext context, IProblemLocation problem, ArrayList<IJavaCompletionProposal> proposals) {
String[] args= problem.getProblemArguments();
if (args.length > 1) {
String methodName= args[1];
if (ASSERT_METHOD_NAMES.contains(methodName) && isInsideJUnit4Test(context)) {
if (proposals == null) {
proposals= new ArrayList<>();
}
proposals.add(new AddAssertProposal(context.getASTRoot(), methodName, 9));
proposals.add(new AddAssertProposal(context.getASTRoot(), "*", 10)); //$NON-NLS-1$
}
}
return proposals;
}
private ArrayList<IJavaCompletionProposal> getAddJUnitToBuildPathProposals(IInvocationContext context, IProblemLocation location, ArrayList<IJavaCompletionProposal> proposals) {
try {
ICompilationUnit unit= context.getCompilationUnit();
String qualifiedName= null;
String qualifiedName1= null;
String s= unit.getBuffer().getText(location.getOffset(), location.getLength());
switch (s) {
case "TestCase": //$NON-NLS-1$
case "TestSuite": //$NON-NLS-1$
qualifiedName= "junit.framework." + s; //$NON-NLS-1$
break;
case "RunWith": //$NON-NLS-1$
qualifiedName= "org.junit.runner.RunWith"; //$NON-NLS-1$
break;
case "Test": //$NON-NLS-1$
ASTNode node= location.getCoveredNode(context.getASTRoot());
if (node != null && node.getLocationInParent() == MarkerAnnotation.TYPE_NAME_PROPERTY) {
qualifiedName= "org.junit.Test"; //$NON-NLS-1$
qualifiedName1= "org.junit.jupiter.api.Test"; //$NON-NLS-1$
} else {
qualifiedName= "junit.framework.Test"; //$NON-NLS-1$
}
break;
case "TestFactory": //$NON-NLS-1$
qualifiedName= "org.junit.jupiter.api.TestFactory"; //$NON-NLS-1$
break;
case "Testable": //$NON-NLS-1$
qualifiedName= "org.junit.platform.commons.annotation.Testable"; //$NON-NLS-1$
break;
case "TestTemplate": //$NON-NLS-1$
qualifiedName= "org.junit.jupiter.api.TestTemplate"; //$NON-NLS-1$
break;
case "ParameterizedTest": //$NON-NLS-1$
qualifiedName= "org.junit.jupiter.params.ParameterizedTest"; //$NON-NLS-1$
break;
case "RepeatedTest": //$NON-NLS-1$
qualifiedName= "org.junit.jupiter.api.RepeatedTest"; //$NON-NLS-1$
break;
default:
break;
}
IJavaProject javaProject= unit.getJavaProject();
if (!(foundInProjectClasspath(javaProject, qualifiedName) && foundInProjectClasspath(javaProject, qualifiedName1))) {
if (qualifiedName != null) {
proposals= addProposal(context, proposals, qualifiedName, javaProject);
}
if (qualifiedName1 != null) {
proposals= addProposal(context, proposals, qualifiedName1, javaProject);
}
} else {
return proposals;
}
} catch (JavaModelException e) {
JUnitPlugin.log(e.getStatus());
}
return proposals;
}
private ArrayList<IJavaCompletionProposal> addProposal(IInvocationContext context, ArrayList<IJavaCompletionProposal> proposals, String qualifiedName, IJavaProject javaProject) {
ClasspathFixProposal[] fixProposals= ClasspathFixProcessor.getContributedFixImportProposals(javaProject, qualifiedName, null);
for (ClasspathFixProposal fixProposal : fixProposals) {
if (proposals == null)
proposals= new ArrayList<>();
proposals.add(new JUnitClasspathFixCorrectionProposal(javaProject, fixProposal, getImportRewrite(context.getASTRoot(), qualifiedName)));
}
return proposals;
}
private boolean foundInProjectClasspath(IJavaProject javaProject, String qualifiedName) throws JavaModelException {
return qualifiedName != null && javaProject.findType(qualifiedName) != null;
}
private ImportRewrite getImportRewrite(CompilationUnit astRoot, String typeToImport) {
if (typeToImport != null) {
ImportRewrite importRewrite= CodeStyleConfiguration.createImportRewrite(astRoot, true);
importRewrite.addImport(typeToImport);
return importRewrite;
}
return null;
}
private boolean isInsideJUnit4Test(IInvocationContext context) {
if (!JUnitStubUtility.is50OrHigher(context.getCompilationUnit().getJavaProject())) {
return false;
}
ASTNode node= context.getCoveringNode();
while (node != null && !(node instanceof BodyDeclaration)) {
node= node.getParent();
}
if (node instanceof MethodDeclaration) {
IMethodBinding binding= ((MethodDeclaration) node).resolveBinding();
if (binding != null) {
IAnnotationBinding[] annotations= binding.getAnnotations();
for (IAnnotationBinding annotation : annotations) {
final ITypeBinding annotationType= annotation.getAnnotationType();
if (annotationType != null && JUnitCorePlugin.JUNIT4_ANNOTATION_NAME.equals(annotationType.getQualifiedName()))
return true;
}
}
}
return false;
}
private static class JUnitClasspathFixCorrectionProposal implements IJavaCompletionProposal {
private final ClasspathFixProposal fClasspathFixProposal;
private final ImportRewrite fImportRewrite;
private final IJavaProject fJavaProject;
public JUnitClasspathFixCorrectionProposal(IJavaProject javaProject, ClasspathFixProposal cpfix, ImportRewrite rewrite) {
fJavaProject= javaProject;
fClasspathFixProposal= cpfix;
fImportRewrite= rewrite;
}
protected Change createChange() throws CoreException {
Change change= fClasspathFixProposal.createChange(null);
if (fImportRewrite != null) {
TextFileChange cuChange= new TextFileChange("Add import", (IFile) fImportRewrite.getCompilationUnit().getResource()); //$NON-NLS-1$
cuChange.setEdit(fImportRewrite.rewriteImports(null));
CompositeChange composite= new CompositeChange(getDisplayString());
composite.add(change);
composite.add(cuChange);
return composite;
}
return change;
}
@Override
public void apply(IDocument document) {
try {
PlatformUI.getWorkbench().getActiveWorkbenchWindow().run(false, true, new IRunnableWithProgress() {
@Override
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
try {
Change change= createChange();
change.initializeValidationData(new NullProgressMonitor());
PerformChangeOperation op= new PerformChangeOperation(change);
op.setUndoManager(RefactoringCore.getUndoManager(), getDisplayString());
op.setSchedulingRule(fJavaProject.getProject().getWorkspace().getRoot());
op.run(monitor);
} catch (CoreException e) {
throw new InvocationTargetException(e);
} catch (OperationCanceledException e) {
throw new InterruptedException();
}
}
});
} catch (InvocationTargetException e) {
ExceptionHandler.handle(e, JUnitPlugin.getActiveWorkbenchShell(), JUnitMessages.JUnitQuickFixProcessor_apply_problem_title, JUnitMessages.JUnitQuickFixProcessor_apply_problem_description);
} catch (InterruptedException e) {
}
}
@Override
public String getAdditionalProposalInfo() {
return fClasspathFixProposal.getAdditionalProposalInfo();
}
@Override
public int getRelevance() {
return fClasspathFixProposal.getRelevance();
}
@Override
public IContextInformation getContextInformation() {
return null;
}
@Override
public String getDisplayString() {
return fClasspathFixProposal.getDisplayString();
}
@Override
public Image getImage() {
return fClasspathFixProposal.getImage();
}
@Override
public Point getSelection(IDocument document) {
return null;
}
}
private static class AddAssertProposal implements IJavaCompletionProposal {
private final CompilationUnit fAstRoot;
private final String fMethodName;
private final int fRelevance;
public AddAssertProposal(CompilationUnit astRoot, String methodName, int relevance) {
fAstRoot= astRoot;
fMethodName= methodName;
fRelevance= relevance;
}
@Override
public int getRelevance() {
return fRelevance;
}
@Override
public void apply(IDocument document) {
try {
ImportRewrite rewrite= CodeStyleConfiguration.createImportRewrite(fAstRoot, true);
rewrite.addStaticImport("org.junit.Assert", fMethodName, true); //$NON-NLS-1$
TextEdit edit= rewrite.rewriteImports(null);
edit.apply(document);
} catch (MalformedTreeException e) {
} catch (CoreException e) {
} catch (BadLocationException e) {
}
}
@Override
public String getAdditionalProposalInfo() {
return Messages.format(JUnitMessages.JUnitQuickFixProcessor_add_assert_info, BasicElementLabels.getJavaElementName("org.junit.Assert." + fMethodName)); //$NON-NLS-1$
}
@Override
public IContextInformation getContextInformation() {
return null;
}
@Override
public String getDisplayString() {
return Messages.format(JUnitMessages.JUnitQuickFixProcessor_add_assert_description, BasicElementLabels.getJavaElementName("org.junit.Assert." + fMethodName)); //$NON-NLS-1$
}
@Override
public Image getImage() {
return JavaUI.getSharedImages().getImage(ISharedImages.IMG_OBJS_IMPDECL);
}
@Override
public Point getSelection(IDocument document) {
return null;
}
}
}