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/*
* Copyright 2003-2013 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.psi.*;
import com.intellij.psi.util.PsiTreeUtil;
import com.siyeh.IntentionPowerPackBundle;
import com.siyeh.ig.PsiReplacementUtil;
import com.siyeh.ig.psiutils.ImportUtils;
import com.siyeh.ipp.base.MutablyNamedIntention;
import com.siyeh.ipp.base.PsiElementPredicate;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
public class ReplaceAssertEqualsWithAssertLiteralIntention extends MutablyNamedIntention {
@Override
protected String getTextForElement(PsiElement element) {
final PsiMethodCallExpression call = (PsiMethodCallExpression)element;
final PsiExpressionList argumentList = call.getArgumentList();
final PsiExpression[] args = argumentList.getExpressions();
final String assertString;
if (args.length == 2) {
final String argText = args[0].getText();
assertString = getAssertString(argText);
}
else {
final String argText = args[1].getText();
assertString = getAssertString(argText);
}
return IntentionPowerPackBundle.message("replace.assert.equals.with.assert.literal.intention.name", assertString);
}
@Override
@NotNull
public PsiElementPredicate getElementPredicate() {
return new AssertEqualsWithLiteralPredicate();
}
@Override
public void processIntention(@NotNull PsiElement element) {
final PsiMethodCallExpression call = (PsiMethodCallExpression)element;
final PsiReferenceExpression expression = call.getMethodExpression();
final PsiExpressionList argumentList = call.getArgumentList();
final PsiExpression[] args = argumentList.getExpressions();
final String assertString;
final String actualArgumentText;
if (args.length == 2) {
@NonNls final String argText = args[0].getText();
final PsiExpression otherArg;
if ("true".equals(argText) || "false".equals(argText) || "null".equals(argText)) {
otherArg = args[1];
}
else {
otherArg = args[0];
}
actualArgumentText = otherArg.getText();
assertString = getAssertString(argText);
}
else {
@NonNls final String argText = args[1].getText();
final PsiExpression otherArg;
if ("true".equals(argText) || "false".equals(argText) || "null".equals(argText)) {
otherArg = args[2];
}
else {
otherArg = args[1];
}
actualArgumentText = args[0].getText() + ", " + otherArg.getText();
assertString = getAssertString(argText);
}
final PsiElement qualifier = expression.getQualifier();
@NonNls final StringBuilder newExpression = new StringBuilder();
if (qualifier == null) {
final PsiMethod containingMethod = PsiTreeUtil.getParentOfType(call, PsiMethod.class);
if (containingMethod != null && AnnotationUtil.isAnnotated(containingMethod, "org.junit.Test", true)) {
if (!ImportUtils.addStaticImport("org.junit.Assert", assertString, element)) {
newExpression.append("org.junit.Assert.");
}
}
}
else {
newExpression.append(qualifier.getText()).append('.');
}
newExpression.append(assertString).append('(').append(actualArgumentText).append(')');
PsiReplacementUtil.replaceExpression(call, newExpression.toString());
}
@NonNls
private static String getAssertString(@NonNls String text) {
if ("true".equals(text)) {
return "assertTrue";
}
if ("false".equals(text)) {
return "assertFalse";
}
return "assertNull";
}
}
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