| /******************************************************************************* |
| * Copyright (c) 2000, 2017 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * James Blackburn (Broadcom Corp.) - ongoing development |
| *******************************************************************************/ |
| package org.eclipse.core.tests.internal.builders; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.InputStream; |
| import java.util.Map; |
| import org.eclipse.core.resources.*; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.junit.Assert; |
| |
| /** |
| * Helper builder for cycle related tests. |
| */ |
| public class CycleBuilder extends TestBuilder { |
| public static final String BUILDER_NAME = "org.eclipse.core.tests.resources.cyclebuilder"; |
| |
| protected IProject[] beforeProjects = new IProject[0]; |
| protected IProject[] afterProjects = new IProject[0]; |
| protected int rebuildsToRequest = 0; |
| private static CycleBuilder singleton; |
| protected int buildCount = 0; |
| |
| /** |
| * Returns the most recently created instance. |
| */ |
| public static CycleBuilder getInstance() { |
| return singleton; |
| } |
| |
| public CycleBuilder() { |
| singleton = this; |
| } |
| |
| @Override |
| protected IProject[] build(int kind, Map<String, String> args, IProgressMonitor monitor) throws CoreException { |
| if (beforeProjects != null) { |
| for (IProject beforeProject : beforeProjects) { |
| Assert.assertTrue("Missing before project: " + beforeProject, hasBeenBuilt(beforeProject)); |
| } |
| } |
| if (afterProjects != null) { |
| for (int i = 0; i < afterProjects.length; i++) { |
| Assert.assertTrue("Missing after project: " + afterProjects[i], !hasBeenBuilt(afterProjects[i])); |
| } |
| } |
| if (rebuildsToRequest > buildCount) { |
| changeAllFiles(); |
| needRebuild(); |
| } |
| //ensure that subsequent builds are always incremental |
| if (buildCount > 0) { |
| Assert.assertTrue("Should be incremental build", kind == IncrementalProjectBuilder.INCREMENTAL_BUILD); |
| } |
| buildCount++; |
| return null; |
| } |
| |
| /** |
| * Method getRandomContents. |
| * @return InputStream |
| */ |
| protected InputStream getRandomContents() { |
| return new ByteArrayInputStream("foo".getBytes()); |
| } |
| |
| /** |
| * Method changeSomething. |
| */ |
| private void changeAllFiles() throws CoreException { |
| IResourceVisitor visitor = resource -> { |
| if (resource.getType() == IResource.FILE) { |
| if (resource.getName().equals(IProjectDescription.DESCRIPTION_FILE_NAME)) { |
| return false; |
| } |
| ((IFile) resource).setContents(getRandomContents(), IResource.NONE, null); |
| } |
| return true; |
| }; |
| getProject().accept(visitor, IResource.DEPTH_INFINITE, IResource.NONE); |
| } |
| |
| public int getBuildCount() { |
| return buildCount; |
| } |
| |
| public void resetBuildCount() { |
| buildCount = 0; |
| } |
| |
| public void setAfterProjects(IProject[] afterProjects) { |
| this.afterProjects = afterProjects; |
| } |
| |
| public void setBeforeProjects(IProject[] beforeProjects) { |
| this.beforeProjects = beforeProjects; |
| } |
| |
| public void setRebuildsToRequest(int rebuildsToRequest) { |
| this.rebuildsToRequest = rebuildsToRequest; |
| } |
| } |