| /* |
| * Copyright 2008-2012 Bas Leijdekkers |
| * |
| * 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.siyeh.ig.junit; |
| |
| import com.intellij.codeInspection.ProblemDescriptor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.util.IncorrectOperationException; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.InspectionGadgetsFix; |
| import com.siyeh.ig.PsiReplacementUtil; |
| import com.siyeh.ig.psiutils.ImportUtils; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class AssertEqualsMayBeAssertSameInspection extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("assertequals.may.be.assertsame.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message("assertequals.may.be.assertsame.problem.descriptor"); |
| } |
| |
| @Override |
| protected InspectionGadgetsFix buildFix(Object... infos) { |
| return new AssertEqualsMayBeAssertSameFix(); |
| } |
| |
| private static class AssertEqualsMayBeAssertSameFix extends InspectionGadgetsFix { |
| |
| @Override |
| @NotNull |
| public String getName() { |
| return InspectionGadgetsBundle.message("assertequals.may.be.assertsame.quickfix"); |
| } |
| |
| @NotNull |
| @Override |
| public String getFamilyName() { |
| return getName(); |
| } |
| |
| @Override |
| protected void doFix(Project project, ProblemDescriptor descriptor) throws IncorrectOperationException { |
| final PsiElement element = descriptor.getPsiElement(); |
| final PsiElement parent = element.getParent(); |
| if (!(parent instanceof PsiReferenceExpression)) { |
| return; |
| } |
| final PsiReferenceExpression methodExpression = (PsiReferenceExpression)parent; |
| final PsiElement grandParent = methodExpression.getParent(); |
| if (!(grandParent instanceof PsiMethodCallExpression)) { |
| return; |
| } |
| final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression)grandParent; |
| final PsiMethod method = methodCallExpression.resolveMethod(); |
| if (method == null) { |
| return; |
| } |
| final PsiClass containingClass = method.getContainingClass(); |
| if (containingClass == null) { |
| return; |
| } |
| final String className = containingClass.getQualifiedName(); |
| if (className == null) { |
| return; |
| } |
| final PsiExpression qualifier = methodExpression.getQualifierExpression(); |
| if (qualifier == null && ImportUtils.addStaticImport(className, "assertSame", methodExpression)) { |
| PsiReplacementUtil.replaceExpression(methodExpression, "assertSame"); |
| } |
| else { |
| PsiReplacementUtil.replaceExpression(methodExpression, className + ".assertSame"); |
| } |
| } |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new AssertEqualsMayBeAssertSameVisitor(); |
| } |
| |
| private static class AssertEqualsMayBeAssertSameVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitMethodCallExpression(PsiMethodCallExpression expression) { |
| super.visitMethodCallExpression(expression); |
| final PsiReferenceExpression methodExpression = expression.getMethodExpression(); |
| @NonNls final String name = methodExpression.getReferenceName(); |
| if (!"assertEquals".equals(name)) { |
| return; |
| } |
| final PsiExpressionList argumentList = expression.getArgumentList(); |
| final PsiExpression[] arguments = argumentList.getExpressions(); |
| if (arguments.length != 3 && arguments.length != 2) { |
| return; |
| } |
| final PsiMethod method = expression.resolveMethod(); |
| if (method == null) { |
| return; |
| } |
| final PsiClass aClass = method.getContainingClass(); |
| if (aClass == null) { |
| return; |
| } |
| final String qualifiedName = aClass.getQualifiedName(); |
| if (!"org.junit.Assert".equals(qualifiedName) && !"junit.framework.Assert".equals(qualifiedName)) { |
| return; |
| } |
| final PsiExpression argument1 = arguments[arguments.length - 2]; |
| if (!couldBeAssertSameArgument(argument1)) { |
| return; |
| } |
| final PsiExpression argument2 = arguments[arguments.length - 1]; |
| if (!couldBeAssertSameArgument(argument2)) { |
| return; |
| } |
| registerMethodCallError(expression); |
| } |
| |
| private static boolean couldBeAssertSameArgument(PsiExpression expression) { |
| final PsiType type = expression.getType(); |
| if (!(type instanceof PsiClassType)) { |
| return false; |
| } |
| final PsiClassType classType = (PsiClassType)type; |
| final PsiClass argumentClass = classType.resolve(); |
| if (argumentClass == null) { |
| return false; |
| } |
| if (!argumentClass.hasModifierProperty(PsiModifier.FINAL)) { |
| return false; |
| } |
| final PsiMethod[] methods = argumentClass.findMethodsByName("equals", true); |
| final PsiManager manager = expression.getManager(); |
| final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(manager.getProject()); |
| final PsiClass objectClass = psiFacade.findClass(CommonClassNames.JAVA_LANG_OBJECT, argumentClass.getResolveScope()); |
| if (objectClass == null) { |
| return false; |
| } |
| for (PsiMethod method : methods) { |
| final PsiClass containingClass = method.getContainingClass(); |
| if (!objectClass.equals(containingClass)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| } |
| } |