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/*
* Copyright 2000-2011 JetBrains s.r.o.
*
* 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.intellij.testIntegration.createTest;
import com.intellij.codeInsight.CodeInsightBundle;
import com.intellij.codeInsight.CodeInsightUtil;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.fileEditor.ex.IdeDocumentHistory;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.util.Computable;
import com.intellij.psi.*;
import com.intellij.psi.impl.source.PostprocessReformattingAspect;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.refactoring.util.classMembers.MemberInfo;
import com.intellij.testIntegration.TestFramework;
import com.intellij.testIntegration.TestIntegrationUtils;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.Nullable;
import java.util.Collection;
public class JavaTestGenerator implements TestGenerator {
public JavaTestGenerator() {
}
public PsiElement generateTest(final Project project, final CreateTestDialog d) {
return PostprocessReformattingAspect.getInstance(project).postponeFormattingInside(new Computable<PsiElement>() {
public PsiElement compute() {
return ApplicationManager.getApplication().runWriteAction(new Computable<PsiElement>() {
public PsiElement compute() {
try {
IdeDocumentHistory.getInstance(project).includeCurrentPlaceAsChangePlace();
PsiClass targetClass = JavaDirectoryService.getInstance().createClass(d.getTargetDirectory(), d.getClassName());
addSuperClass(targetClass, project, d.getSuperClassName());
Editor editor = CodeInsightUtil.positionCursor(project, targetClass.getContainingFile(), targetClass.getLBrace());
addTestMethods(editor,
targetClass,
d.getSelectedTestFrameworkDescriptor(),
d.getSelectedMethods(),
d.shouldGeneratedBefore(),
d.shouldGeneratedAfter());
return targetClass;
}
catch (IncorrectOperationException e) {
showErrorLater(project, d.getClassName());
return null;
}
}
});
}
});
}
private static void addSuperClass(PsiClass targetClass, Project project, String superClassName) throws IncorrectOperationException {
if (superClassName == null) return;
PsiElementFactory ef = JavaPsiFacade.getInstance(project).getElementFactory();
PsiJavaCodeReferenceElement superClassRef;
PsiClass superClass = findClass(project, superClassName);
if (superClass != null) {
superClassRef = ef.createClassReferenceElement(superClass);
}
else {
superClassRef = ef.createFQClassNameReferenceElement(superClassName, GlobalSearchScope.allScope(project));
}
targetClass.getExtendsList().add(superClassRef);
}
@Nullable
private static PsiClass findClass(Project project, String fqName) {
GlobalSearchScope scope = GlobalSearchScope.allScope(project);
return JavaPsiFacade.getInstance(project).findClass(fqName, scope);
}
private static void addTestMethods(Editor editor,
PsiClass targetClass,
TestFramework descriptor,
Collection<MemberInfo> methods,
boolean generateBefore,
boolean generateAfter) throws IncorrectOperationException {
if (generateBefore) {
generateMethod(TestIntegrationUtils.MethodKind.SET_UP, descriptor, targetClass, editor, null);
}
if (generateAfter) {
generateMethod(TestIntegrationUtils.MethodKind.TEAR_DOWN, descriptor, targetClass, editor, null);
}
for (MemberInfo m : methods) {
generateMethod(TestIntegrationUtils.MethodKind.TEST, descriptor, targetClass, editor, m.getMember().getName());
}
}
private static void showErrorLater(final Project project, final String targetClassName) {
ApplicationManager.getApplication().invokeLater(new Runnable() {
public void run() {
Messages.showErrorDialog(project,
CodeInsightBundle.message("intention.error.cannot.create.class.message", targetClassName),
CodeInsightBundle.message("intention.error.cannot.create.class.title"));
}
});
}
private static void generateMethod(TestIntegrationUtils.MethodKind methodKind,
TestFramework descriptor,
PsiClass targetClass,
Editor editor,
@Nullable String name) {
PsiMethod method = (PsiMethod)targetClass.add(TestIntegrationUtils.createDummyMethod(targetClass));
PsiDocumentManager.getInstance(targetClass.getProject()).doPostponedOperationsAndUnblockDocument(editor.getDocument());
TestIntegrationUtils.runTestMethodTemplate(methodKind, descriptor, editor, targetClass, method, name, true);
}
@Override
public String toString() {
return CodeInsightBundle.message("intention.create.test.dialog.java");
}
}
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