Java tutorial
/******************************************************************************* * Copyright (C) 2013, Laurent Goubet <laurent.goubet@obeo.fr> 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 *******************************************************************************/ package org.eclipse.egit.core.synchronize; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertTrue; import java.io.ByteArrayInputStream; import java.io.File; import java.io.UnsupportedEncodingException; import org.eclipse.core.resources.IFile; import org.eclipse.core.resources.IFolder; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.core.resources.mapping.RemoteResourceMappingContext; import org.eclipse.core.resources.mapping.ResourceTraversal; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.NullProgressMonitor; import org.eclipse.egit.core.project.RepositoryMapping; import org.eclipse.egit.core.synchronize.dto.GitSynchronizeData; import org.eclipse.egit.core.synchronize.dto.GitSynchronizeDataSet; import org.eclipse.egit.core.test.GitTestCase; import org.eclipse.egit.core.test.TestRepository; import org.eclipse.jgit.api.Git; import org.eclipse.jgit.junit.JGitTestUtil; import org.eclipse.jgit.lib.Constants; import org.eclipse.jgit.lib.Repository; import org.eclipse.jgit.revwalk.RevCommit; import org.junit.Before; import org.junit.Test; public class GitSubscriberResourceMappingContextTest extends GitTestCase { private static final String MASTER = Constants.R_HEADS + Constants.MASTER; private static final String BRANCH = Constants.R_HEADS + "branch"; private Repository repo; private IProject iProject; private TestRepository testRepo; @Override @Before public void setUp() throws Exception { super.setUp(); iProject = project.project; testRepo = new TestRepository(gitDir); testRepo.connect(iProject); repo = RepositoryMapping.getMapping(iProject).getRepository(); // make initial commit new Git(repo).commit().setAuthor("JUnit", "junit@jgit.org").setMessage("Initial commit").call(); } @Test public void hasLocalChange() throws Exception { File file1 = testRepo.createFile(iProject, "a.txt"); File file2 = testRepo.createFile(iProject, "b.txt"); testRepo.appendContentAndCommit(iProject, file1, "content a", "commit a"); testRepo.appendContentAndCommit(iProject, file2, "content b", "commit b"); IFile iFile1 = testRepo.getIFile(iProject, file1); IFile iFile2 = testRepo.getIFile(iProject, file2); RemoteResourceMappingContext context = prepareContext(MASTER, MASTER); assertFalse(context.hasLocalChange(iFile1, new NullProgressMonitor())); assertFalse(context.hasLocalChange(iFile2, new NullProgressMonitor())); JGitTestUtil.write(file1, "changed content a"); JGitTestUtil.write(file2, "changed content b"); refresh(context, iFile1, iFile2); assertTrue(context.hasLocalChange(iFile1, new NullProgressMonitor())); assertTrue(context.hasLocalChange(iFile2, new NullProgressMonitor())); JGitTestUtil.write(file2, "content b"); refresh(context, iFile2); assertTrue(context.hasLocalChange(iFile1, new NullProgressMonitor())); assertFalse(context.hasLocalChange(iFile2, new NullProgressMonitor())); } @Test public void hasLocalChangeWithFileRemoval() throws Exception { File file1 = testRepo.createFile(iProject, "a.txt"); File file2 = testRepo.createFile(iProject, "b.txt"); File file3 = testRepo.createFile(iProject, "c.txt"); IFile iFile1 = testRepo.getIFile(iProject, file1); IFile iFile2 = testRepo.getIFile(iProject, file2); IFile iFile3 = testRepo.getIFile(iProject, file3); RemoteResourceMappingContext context = prepareContext(MASTER, MASTER); assertTrue(context.hasLocalChange(iFile1, new NullProgressMonitor())); assertTrue(context.hasLocalChange(iFile2, new NullProgressMonitor())); assertTrue(context.hasLocalChange(iFile3, new NullProgressMonitor())); iFile1.delete(false, null); refresh(context, iFile1, iFile2, iFile3); assertTrue(context.hasLocalChange(iFile2, new NullProgressMonitor())); assertTrue(context.hasLocalChange(iFile3, new NullProgressMonitor())); } @Test public void hasLocalChangeInNewFolder() throws Exception { iProject.getFolder("folder").create(false, true, null); RemoteResourceMappingContext context = prepareContext(MASTER, MASTER); // Folder is now known, but not yet file in it File file = testRepo.createFile(iProject, "folder/b.txt"); IFile iFile = testRepo.getIFile(iProject, file); refresh(context, iFile); assertTrue(context.hasLocalChange(iFile, new NullProgressMonitor())); testRepo.addToIndex(iProject, file); refresh(context, iFile); assertTrue(context.hasLocalChange(iFile, new NullProgressMonitor())); JGitTestUtil.write(file, "changed content b"); refresh(context, iFile); assertTrue(context.hasLocalChange(iFile, new NullProgressMonitor())); } @Test public void hasRemoteChanges() throws Exception { File file1 = testRepo.createFile(iProject, "file1.sample"); File file2 = testRepo.createFile(iProject, "file2.sample"); testRepo.appendContentAndCommit(iProject, file1, "initial content - file 1", "first file - initial commit MASTER"); testRepo.appendContentAndCommit(iProject, file2, "initial content - file 2", "second file - initial commit MASTER"); IFile iFile1 = testRepo.getIFile(iProject, file1); IFile iFile2 = testRepo.getIFile(iProject, file2); testRepo.createAndCheckoutBranch(MASTER, BRANCH); setContentsAndCommit(iFile1, "change in branch - file 1", "branch commit - file1"); setContentsAndCommit(iFile2, "change in branch - file 2", "branch commit - file2"); testRepo.checkoutBranch(MASTER); RemoteResourceMappingContext context = prepareContext(MASTER, BRANCH); assertFalse(context.hasLocalChange(iFile1, new NullProgressMonitor())); assertTrue(context.hasRemoteChange(iFile1, new NullProgressMonitor())); assertFalse(context.hasLocalChange(iFile2, new NullProgressMonitor())); assertTrue(context.hasRemoteChange(iFile2, new NullProgressMonitor())); setContents(iFile1, "change in master - file 1"); refresh(context, iFile1); assertTrue(context.hasLocalChange(iFile1, new NullProgressMonitor())); assertTrue(context.hasRemoteChange(iFile1, new NullProgressMonitor())); setContents(iFile2, "change in branch - file 2"); refresh(context, iFile2); assertTrue(context.hasLocalChange(iFile2, new NullProgressMonitor())); assertTrue(context.hasRemoteChange(iFile2, new NullProgressMonitor())); setContentsAndCommit(iFile1, "change in branch - file 1", "change in master (same as in branch) - file 2"); refresh(context, iFile1); assertTrue(context.hasLocalChange(iFile1, new NullProgressMonitor())); assertTrue(context.hasRemoteChange(iFile1, new NullProgressMonitor())); } @Test public void hasRemoteChangeInNewFile() throws Exception { File file1 = testRepo.createFile(iProject, "file1.sample"); String initialContent1 = "some content for the first file"; testRepo.appendContentAndCommit(iProject, file1, initialContent1, "first file - initial commit"); IFile iFile1 = testRepo.getIFile(iProject, file1); testRepo.createAndCheckoutBranch(MASTER, BRANCH); File file2 = testRepo.createFile(iProject, "file2.sample"); String initialContent2 = "some content for the second file"; testRepo.appendContentAndCommit(iProject, file2, initialContent2, "second file - initial commit"); IFile iFile2 = testRepo.getIFile(iProject, file2); testRepo.checkoutBranch(MASTER); RemoteResourceMappingContext context = prepareContext(MASTER, BRANCH); assertFalse(context.hasRemoteChange(iFile1, new NullProgressMonitor())); assertTrue(context.hasRemoteChange(iFile2, new NullProgressMonitor())); } @Test public void hasRemoteChangeInNewFolder() throws Exception { File file1 = testRepo.createFile(iProject, "file1.sample"); String initialContent1 = "some content for the first file"; testRepo.appendContentAndCommit(iProject, file1, initialContent1, "first file - initial commit"); IFile iFile1 = testRepo.getIFile(iProject, file1); testRepo.createAndCheckoutBranch(MASTER, BRANCH); iProject.getFolder("folder").create(true, true, new NullProgressMonitor()); File file2 = testRepo.createFile(iProject, "folder/file2.sample"); String initialContent2 = "some content for the second file"; testRepo.appendContentAndCommit(iProject, file2, initialContent2, "second file - initial commit"); IFile iFile2 = testRepo.getIFile(iProject, file2); testRepo.checkoutBranch(MASTER); RemoteResourceMappingContext context = prepareContext(MASTER, BRANCH); assertFalse(context.hasRemoteChange(iFile1, new NullProgressMonitor())); assertTrue(context.hasRemoteChange(iFile2, new NullProgressMonitor())); } @Test public void hasLocalAndRemoteChange() throws Exception { File file1 = testRepo.createFile(iProject, "file1.sample"); testRepo.appendContentAndCommit(iProject, file1, "initial content", "first commit in master"); IFile iFile1 = testRepo.getIFile(iProject, file1); testRepo.createAndCheckoutBranch(MASTER, BRANCH); setContentsAndCommit(iFile1, "changed content in branch", "first commit in BRANCH"); testRepo.checkoutBranch(MASTER); setContentsAndCommit(iFile1, "changed content in master", "second commit in MASTER"); RemoteResourceMappingContext context = prepareContext(MASTER, BRANCH); assertTrue(context.hasRemoteChange(iFile1, new NullProgressMonitor())); assertTrue(context.hasLocalChange(iFile1, new NullProgressMonitor())); } @Test public void hasLocalAndRemoteChangeInSubFolder() throws Exception { File file1 = testRepo.createFile(iProject, "folder/file1.sample"); testRepo.appendContentAndCommit(iProject, file1, "initial content", "first commit in master"); IFile iFile1 = testRepo.getIFile(iProject, file1); testRepo.createAndCheckoutBranch(MASTER, BRANCH); setContentsAndCommit(iFile1, "changed content in branch", "first commit in BRANCH"); testRepo.checkoutBranch(MASTER); setContentsAndCommit(iFile1, "changed content in master", "second commit in MASTER"); RemoteResourceMappingContext context = prepareContext(MASTER, BRANCH); assertTrue(context.hasRemoteChange(iFile1, new NullProgressMonitor())); assertTrue(context.hasLocalChange(iFile1, new NullProgressMonitor())); } @Test public void hasLocalChangeWhenRefreshingParentFolder() throws Exception { IFolder folder = iProject.getFolder("newfolder"); folder.create(false, true, null); IFile file = folder.getFile("a.txt"); file.create(new ByteArrayInputStream("a".getBytes("UTF-8")), false, null); RemoteResourceMappingContext context = prepareContext(MASTER, MASTER); refresh(context, file); assertTrue(context.hasLocalChange(file, new NullProgressMonitor())); file.delete(false, null); // Refresh of folder, not file directly refresh(context, folder); assertFalse(context.hasLocalChange(file, new NullProgressMonitor())); } private RevCommit setContentsAndCommit(IFile targetFile, String newContents, String commitMessage) throws Exception { setContents(targetFile, newContents); return addAndCommit(targetFile, commitMessage); } private RevCommit addAndCommit(IFile targetFile, String commitMessage) throws Exception { testRepo.addToIndex(targetFile); return testRepo.commit(commitMessage); } private void setContents(IFile targetFile, String newContents) throws CoreException, UnsupportedEncodingException { targetFile.setContents(new ByteArrayInputStream(newContents.getBytes("UTF-8")), IResource.FORCE, new NullProgressMonitor()); } private RemoteResourceMappingContext prepareContext(String srcRev, String dstRev) throws Exception { GitSynchronizeData gsd = new GitSynchronizeData(repo, srcRev, dstRev, true); GitSynchronizeDataSet gsds = new GitSynchronizeDataSet(gsd); GitResourceVariantTreeSubscriber subscriber = new GitResourceVariantTreeSubscriber(gsds); subscriber.init(new NullProgressMonitor()); return new GitSubscriberResourceMappingContext(subscriber, gsds); } private void refresh(RemoteResourceMappingContext context, IResource... resources) throws Exception { context.refresh(new ResourceTraversal[] { new ResourceTraversal(resources, IResource.DEPTH_INFINITE, 0) }, 0, new NullProgressMonitor()); } }