fix Maven test

platform/lang-impl/src/com/intellij/refactoring/rename/PsiElementRenameHandler.java

@@ -28,6 +28,7 @@ import com.intellij.openapi.editor.ScrollType;
 import com.intellij.openapi.extensions.ExtensionPointName;
 import com.intellij.openapi.extensions.Extensions;
 import com.intellij.openapi.project.Project;
+import com.intellij.openapi.ui.DialogWrapper;
 import com.intellij.openapi.util.Condition;
 import com.intellij.psi.*;
 import com.intellij.psi.impl.source.tree.injected.InjectedLanguageUtil;
@@ -135,6 +136,7 @@ public class PsiElementRenameHandler implements RenameHandler {
     if (element == null) return;
 
     final RenameDialog dialog = processor.createRenameDialog(project, element, nameSuggestionContext, editor);
+
     if (defaultName == null && ApplicationManager.getApplication().isUnitTestMode()) {
       String[] strings = dialog.getSuggestedNames();
       if (strings != null && strings.length > 0) {
@@ -144,8 +146,14 @@ public class PsiElementRenameHandler implements RenameHandler {
         defaultName = "undefined"; // need to avoid show dialog in test
       }
     }
+
     if (defaultName != null) {
-      dialog.performRename(defaultName);
+      try {
+        dialog.performRename(defaultName);
+      } catch (CommonRefactoringUtil.RefactoringErrorHintException testErrorHintException){
+        dialog.close(DialogWrapper.CANCEL_EXIT_CODE); // to avoid dialog leak
+        throw testErrorHintException;
+      }
     }
     else {
       dialog.show();

platform/lang-impl/src/com/intellij/refactoring/rename/RenameProcessor.java

@@ -59,6 +59,8 @@ import java.util.*;
 
 public class RenameProcessor extends BaseRefactoringProcessor {
   private static final Logger LOG = Logger.getInstance("#com.intellij.refactoring.rename.RenameProcessor");
+  @NonNls public static final String FORCE_RENAME_PROCESSOR_TO_THROW_EXCEPTION_ON_BAD_RENAMEABILITY =
+    "force.rename.processor.to.throw.exception.on.bad.renameability";
 
   protected final LinkedHashMap<PsiElement, String> myAllRenames = new LinkedHashMap<PsiElement, String>();
 
@@ -415,7 +417,9 @@ public class RenameProcessor extends BaseRefactoringProcessor {
     prepareRenaming(myPrimaryElement, myNewName, myAllRenames);
   }
 
-  protected boolean inTestsProduceExceptionOnBadRenameabilityStatus() { return false; }
+  protected boolean inTestsProduceExceptionOnBadRenameabilityStatus() {
+    return System.getProperty(FORCE_RENAME_PROCESSOR_TO_THROW_EXCEPTION_ON_BAD_RENAMEABILITY) != null;
+  }
 
   public Collection<String> getNewNames() {
     return myAllRenames.values();

plugins/maven/src/test/java/org/jetbrains/idea/maven/dom/MavenDomTestCase.java

@@ -43,6 +43,8 @@ import com.intellij.psi.xml.XmlTag;
 import com.intellij.refactoring.rename.PsiElementRenameHandler;
 import com.intellij.refactoring.rename.RenameHandler;
 import com.intellij.refactoring.rename.RenameHandlerRegistry;
+import com.intellij.refactoring.rename.RenameProcessor;
+import com.intellij.refactoring.util.CommonRefactoringUtil;
 import com.intellij.testFramework.MapDataContext;
 import com.intellij.testFramework.fixtures.CodeInsightTestFixture;
 import com.intellij.testFramework.fixtures.CodeInsightTestUtil;
@@ -284,12 +286,15 @@ public abstract class MavenDomTestCase extends MavenImportingTestCase {
     RenameHandler handler = RenameHandlerRegistry.getInstance().getRenameHandler(context);
     if (handler == null) return;
     try {
+      System.getProperties().put(RenameProcessor.FORCE_RENAME_PROCESSOR_TO_THROW_EXCEPTION_ON_BAD_RENAMEABILITY, "");
       invokeRename(context, handler);
     }
-    catch (Exception e) {
+    catch (CommonRefactoringUtil.RefactoringErrorHintException e) {
       if (!e.getMessage().startsWith("Cannot perform refactoring.")) {
         throw e;
       }
+    } finally {
+      System.getProperties().remove(RenameProcessor.FORCE_RENAME_PROCESSOR_TO_THROW_EXCEPTION_ON_BAD_RENAMEABILITY);
     }
   }