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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.tree.IElementType;
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 ReplaceAssertLiteralWithAssertEqualsIntention extends MutablyNamedIntention {
@Override
protected String getTextForElement(PsiElement element) {
final PsiMethodCallExpression call = (PsiMethodCallExpression)element;
final PsiExpressionList argumentList = call.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
final PsiReferenceExpression methodExpression = call.getMethodExpression();
@NonNls final String methodName = methodExpression.getReferenceName();
assert methodName != null;
final String postfix = methodName.substring("assert".length());
final PsiExpression lastArgument = arguments[arguments.length - 1];
if (lastArgument instanceof PsiBinaryExpression) {
final PsiBinaryExpression binaryExpression = (PsiBinaryExpression)lastArgument;
final IElementType tokenType = binaryExpression.getOperationTokenType();
if (("assertTrue".equals(methodName) && JavaTokenType.EQEQ.equals(tokenType)) ||
("assertFalse".equals(methodName) && JavaTokenType.NE.equals(tokenType))) {
return IntentionPowerPackBundle.message("replace.assert.literal.with.assert.equals.intention.name2", methodName);
}
}
final String literal = postfix.toLowerCase();
if (arguments.length == 1) {
return IntentionPowerPackBundle.message("replace.assert.literal.with.assert.equals.intention.name", methodName, literal);
}
else {
return IntentionPowerPackBundle.message("replace.assert.literal.with.assert.equals.intention.name1", methodName, literal);
}
}
@Override
@NotNull
public PsiElementPredicate getElementPredicate() {
return new AssertLiteralPredicate();
}
@Override
public void processIntention(@NotNull PsiElement element) {
final PsiMethodCallExpression call = (PsiMethodCallExpression)element;
final PsiReferenceExpression methodExpression = call.getMethodExpression();
@NonNls final String methodName = methodExpression.getReferenceName();
if (methodName == null) {
return;
}
@NonNls final StringBuilder newExpression = new StringBuilder();
final PsiElement qualifier = methodExpression.getQualifier();
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", "assertEquals", element)) {
newExpression.append("org.junit.Assert.");
}
}
}
else {
newExpression.append(qualifier.getText());
newExpression.append('.');
}
newExpression.append("assertEquals(");
final String postfix = methodName.substring("assert".length());
final String literal = postfix.toLowerCase();
final PsiExpressionList argumentList = call.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length > 1) {
newExpression.append(arguments[0].getText()).append(", ");
}
final PsiExpression lastArgument = arguments[arguments.length - 1];
if (lastArgument instanceof PsiBinaryExpression) {
final PsiBinaryExpression binaryExpression = (PsiBinaryExpression)lastArgument;
final IElementType tokenType = binaryExpression.getOperationTokenType();
if (("assertTrue".equals(methodName) && JavaTokenType.EQEQ.equals(tokenType)) ||
("assertFalse".equals(methodName) && JavaTokenType.NE.equals(tokenType))) {
final PsiExpression lhs = binaryExpression.getLOperand();
newExpression.append(lhs.getText()).append(", ");
final PsiExpression rhs = binaryExpression.getROperand();
if (rhs != null) {
newExpression.append(rhs.getText());
}
}
else {
newExpression.append(literal).append(", ").append(lastArgument.getText());
}
}
else {
newExpression.append(literal).append(", ").append(lastArgument.getText());
}
newExpression.append(')');
PsiReplacementUtil.replaceExpression(call, newExpression.toString());
}
}
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