| /******************************************************************************* |
| * Copyright (c) 2000, 2013 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ltk.core.refactoring.tests.participants; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.ILogListener; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.core.runtime.OperationCanceledException; |
| import org.eclipse.core.runtime.Platform; |
| |
| import org.eclipse.core.resources.ResourcesPlugin; |
| |
| import org.eclipse.ltk.core.refactoring.Change; |
| import org.eclipse.ltk.core.refactoring.CheckConditionsOperation; |
| import org.eclipse.ltk.core.refactoring.NullChange; |
| import org.eclipse.ltk.core.refactoring.PerformRefactoringOperation; |
| import org.eclipse.ltk.core.refactoring.RefactoringStatus; |
| import org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext; |
| import org.eclipse.ltk.core.refactoring.participants.RefactoringParticipant; |
| import org.eclipse.ltk.core.refactoring.participants.RenameArguments; |
| import org.eclipse.ltk.core.refactoring.participants.RenameParticipant; |
| import org.eclipse.ltk.core.refactoring.participants.RenameProcessor; |
| import org.eclipse.ltk.core.refactoring.participants.RenameRefactoring; |
| import org.eclipse.ltk.core.refactoring.participants.SharableParticipants; |
| |
| public class CancelingParticipantTests { |
| |
| private class CancelingParticipant extends RenameParticipant { |
| @Override |
| protected boolean initialize(Object element) { |
| return true; |
| } |
| @Override |
| public String getName() { |
| return "canceling participant"; |
| } |
| |
| @Override |
| public RefactoringStatus checkConditions(IProgressMonitor pm, CheckConditionsContext context) throws OperationCanceledException { |
| if (fCancelStep == 0) { |
| pm.setCanceled(true); |
| throw new OperationCanceledException(); |
| } |
| return new RefactoringStatus(); |
| } |
| |
| @Override |
| public Change createChange(IProgressMonitor pm) throws CoreException, OperationCanceledException { |
| if (fCancelStep == 1) { |
| pm.setCanceled(true); |
| throw new OperationCanceledException(); |
| } |
| return new NullChange("1"); |
| } |
| |
| @Override |
| public Change createPreChange(IProgressMonitor pm) throws CoreException, OperationCanceledException { |
| if (fCancelStep == 2) { |
| pm.setCanceled(true); |
| throw new OperationCanceledException(); |
| } |
| return new NullChange("2"); |
| } |
| } |
| |
| private class TestProcessor extends RenameProcessor { |
| private Object fElement= Boolean.TRUE; |
| |
| @Override |
| public Object[] getElements() { |
| return new Object[] { fElement }; |
| } |
| @Override |
| public String getIdentifier() { |
| return "org.eclipse.ltk.core.refactoring.tests.TestProcessor"; |
| } |
| @Override |
| public String getProcessorName() { |
| return "processor"; |
| } |
| @Override |
| public boolean isApplicable() throws CoreException { |
| return true; |
| } |
| @Override |
| public RefactoringStatus checkInitialConditions(IProgressMonitor pm) throws CoreException, OperationCanceledException { |
| return new RefactoringStatus(); |
| } |
| @Override |
| public RefactoringStatus checkFinalConditions(IProgressMonitor pm, CheckConditionsContext context) throws CoreException, OperationCanceledException { |
| return new RefactoringStatus(); |
| } |
| @Override |
| public Change createChange(IProgressMonitor pm) throws CoreException, OperationCanceledException { |
| return new NullChange("test change"); |
| } |
| @Override |
| public RefactoringParticipant[] loadParticipants(RefactoringStatus status, SharableParticipants sharedParticipants) throws CoreException { |
| CancelingParticipant participant= new CancelingParticipant(); |
| participant.initialize(this, fElement, new RenameArguments("", false)); |
| return new RefactoringParticipant[] { participant }; |
| } |
| } |
| |
| private int fCancelStep; |
| |
| private ILogListener fLogListener; |
| private List<IStatus> fLogEntries; |
| |
| @Before |
| public void setUp() { |
| fLogListener= new ILogListener() { |
| @Override |
| public void logging(IStatus status, String plugin) { |
| fLogEntries.add(status); |
| } |
| }; |
| Platform.addLogListener(fLogListener); |
| fLogEntries= new ArrayList<>(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| Platform.removeLogListener(fLogListener); |
| } |
| |
| @Test |
| public void testCheckConditions() throws Exception { |
| RenameRefactoring refactoring= new RenameRefactoring(new TestProcessor()); |
| |
| fCancelStep= 0; |
| PerformRefactoringOperation op= new PerformRefactoringOperation(refactoring, CheckConditionsOperation.ALL_CONDITIONS); |
| NullProgressMonitor pm= new NullProgressMonitor(); |
| |
| boolean exception= false; |
| try { |
| ResourcesPlugin.getWorkspace().run(op, pm); |
| } catch (OperationCanceledException e) { |
| exception= true; |
| } |
| |
| assertTrue(pm.isCanceled()); |
| assertEquals(Collections.EMPTY_LIST.toString(), fLogEntries.toString()); |
| assertTrue(exception); |
| } |
| |
| |
| @Test |
| public void testCreateChange() throws Exception { |
| RenameRefactoring refactoring= new RenameRefactoring(new TestProcessor()); |
| |
| fCancelStep= 1; |
| PerformRefactoringOperation op= new PerformRefactoringOperation(refactoring, CheckConditionsOperation.ALL_CONDITIONS); |
| NullProgressMonitor pm= new NullProgressMonitor(); |
| |
| boolean exception= false; |
| try { |
| ResourcesPlugin.getWorkspace().run(op, pm); |
| } catch (OperationCanceledException e) { |
| exception= true; |
| } |
| |
| assertTrue(pm.isCanceled()); |
| assertEquals(Collections.EMPTY_LIST.toString(), fLogEntries.toString()); |
| assertTrue(exception); |
| } |
| |
| @Test |
| public void testCreatePreChange() throws Exception { |
| RenameRefactoring refactoring= new RenameRefactoring(new TestProcessor()); |
| |
| fCancelStep= 2; |
| PerformRefactoringOperation op= new PerformRefactoringOperation(refactoring, CheckConditionsOperation.ALL_CONDITIONS); |
| NullProgressMonitor pm= new NullProgressMonitor(); |
| |
| boolean exception= false; |
| try { |
| ResourcesPlugin.getWorkspace().run(op, pm); |
| } catch (OperationCanceledException e) { |
| exception= true; |
| } |
| |
| assertTrue(pm.isCanceled()); |
| assertEquals(Collections.EMPTY_LIST.toString(), fLogEntries.toString()); |
| assertTrue(exception); |
| } |
| } |