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/*
* Copyright 2003-2009 Dave Griffith, 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.ipp.junit;
import com.intellij.codeInsight.AnnotationUtil;
import com.intellij.openapi.project.Project;
import com.intellij.psi.*;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.psi.util.InheritanceUtil;
import com.intellij.psi.util.PsiTreeUtil;
import com.siyeh.ipp.base.PsiElementPredicate;
import org.jetbrains.annotations.NonNls;
class CreateAssertPredicate implements PsiElementPredicate {
public boolean satisfiedBy(PsiElement element) {
if (!(element instanceof PsiExpressionStatement)) {
return false;
}
final PsiExpressionStatement statement =
(PsiExpressionStatement)element;
final PsiExpression expression = statement.getExpression();
final PsiElement parent = expression.getParent();
if (!(parent instanceof PsiExpressionStatement)) {
return false;
}
final PsiType type = expression.getType();
if (!PsiType.BOOLEAN.equals(type)) {
return false;
}
final PsiMethod containingMethod =
PsiTreeUtil.getParentOfType(expression, PsiMethod.class);
return isTestMethod(containingMethod);
}
private static boolean isTestMethod(PsiMethod method) {
if (method == null) {
return false;
}
if (AnnotationUtil.isAnnotated(method, "org.junit.Test", true)) {
return true;
}
if (method.hasModifierProperty(PsiModifier.ABSTRACT) ||
!method.hasModifierProperty(PsiModifier.PUBLIC)) {
return false;
}
final PsiType returnType = method.getReturnType();
if (returnType == null) {
return false;
}
if (!returnType.equals(PsiType.VOID)) {
return false;
}
final PsiParameterList parameterList = method.getParameterList();
final PsiParameter[] parameters = parameterList.getParameters();
if (parameters.length != 0) {
return false;
}
@NonNls final String methodName = method.getName();
if (!methodName.startsWith("test")) {
return false;
}
final PsiClass containingClass = method.getContainingClass();
return isTestClass(containingClass);
}
private static boolean isTestClass(PsiClass aClass) {
if (aClass == null) {
return false;
}
final Project project = aClass.getProject();
final GlobalSearchScope scope = GlobalSearchScope.allScope(project);
final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
final PsiClass ancestorClass = psiFacade.findClass("junit.framework.TestCase", scope);
return InheritanceUtil.isInheritorOrSelf(aClass, ancestorClass, true);
}
}
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