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/*******************************************************************************
* Copyright (C) 2010, Dariusz Luksza <dariusz@luksza.org>
*
* 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.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
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.lib.Constants;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.treewalk.TreeWalk;
import org.eclipse.jgit.treewalk.filter.PathFilter;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.core.variants.IResourceVariant;
import org.eclipse.team.core.variants.IResourceVariantTree;
import org.junit.After;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
public class GitResourceVariantTreeSubscriberTest extends GitTestCase {
private Repository repo;
private IProject iProject;
private TestRepository testRepo;
@Before
public void setUp() throws Exception {
super.setUp();
iProject = project.getProject();
testRepo = new TestRepository(gitDir);
testRepo.connect(iProject);
repo = RepositoryMapping.getMapping(iProject).getRepository();
}
@After
public void clearGitResources() throws Exception {
testRepo.disconnect(iProject);
testRepo.dispose();
repo = null;
super.tearDown();
}
/**
* This test simulates that user work and made some changes on branch 'test'
* and then try to synchronize "test" and 'master' branch.
*
* @throws Exception
*/
@Test
public void shouldReturnSrcBranchAsBase() throws Exception {
// when
String fileName = "Main.java";
File file = testRepo.createFile(iProject, fileName);
RevCommit commit = testRepo.appendContentAndCommit(iProject, file,
"class Main {}", "initial commit");
IFile mainJava = testRepo.getIFile(iProject, file);
ObjectId fileId = findFileId(commit, mainJava);
testRepo.createAndCheckoutBranch(Constants.HEAD, Constants.R_HEADS
+ "test");
testRepo.appendContentAndCommit(iProject, file, "// test1",
"secont commit");
// given
GitResourceVariantTreeSubscriber grvts = createGitResourceVariantTreeSubscriber(
Constants.HEAD, Constants.R_HEADS + Constants.MASTER);
grvts.getBaseTree();
IResourceVariantTree baseTree = grvts.getBaseTree();
// then
IResourceVariant actual = commonAssertionsForBaseTree(baseTree,
mainJava);
assertEquals(fileId.getName(), actual.getContentIdentifier());
}
/**
* Both source and destination branches has some different commits but they
* has also common ancestor. This situation is described more detailed in
* bug #317934
*
* This test passes when it is run as a stand alone test case, but it fails
* when it is run as part of test suite. It throws NPE when it try's to
* checkout master branch.
*
* @throws Exception
*/
@Test
@Ignore
public void shouldReturnCommonAncestorAsBase() throws Exception {
// when
String fileName = "Main.java";
File file = testRepo.createFile(iProject, fileName);
RevCommit commit = testRepo.appendContentAndCommit(iProject, file,
"class Main {}", "initial commit");
IFile mainJava = testRepo.getIFile(iProject, file);
// this should be our common ancestor
ObjectId fileId = findFileId(commit, mainJava);
testRepo.createAndCheckoutBranch(Constants.HEAD, Constants.R_HEADS
+ "test");
testRepo.appendContentAndCommit(iProject, file, "// test 1",
"second commit");
testRepo.checkoutBranch(Constants.R_HEADS + Constants.MASTER);
testRepo.appendContentAndCommit(iProject, file, "// test 2",
"third commit");
// given
GitResourceVariantTreeSubscriber grvts = createGitResourceVariantTreeSubscriber(
Constants.HEAD, Constants.R_HEADS + "test");
grvts.getBaseTree();
IResourceVariantTree baseTree = grvts.getBaseTree();
// then
IResourceVariant actual = commonAssertionsForBaseTree(baseTree,
mainJava);
assertEquals(fileId.getName(), actual.getContentIdentifier());
}
/**
* This test passes when it is run as a stand alone test case, but it fails
* when it is run as part of test suite. It throws NPE when it try's to
* checkout master branch.
*
* @throws Exception
*/
@Test
@Ignore
public void shouldReturnRemoteTree() throws Exception {
// when
String fileName = "Main.java";
File file = testRepo.createFile(iProject, fileName);
testRepo.appendContentAndCommit(iProject, file,
"class Main {}", "initial commit");
IFile mainJava = testRepo.getIFile(iProject, file);
testRepo.createAndCheckoutBranch(Constants.HEAD, Constants.R_HEADS
+ "test");
RevCommit commit = testRepo.appendContentAndCommit(iProject, file, "// test 1",
"second commit");
ObjectId fileId = findFileId(commit, mainJava);
// given
GitResourceVariantTreeSubscriber grvts = createGitResourceVariantTreeSubscriber(
Constants.HEAD, "test");
grvts.getBaseTree();
IResourceVariantTree remoteTree = grvts.getRemoteTree();
// then
assertNotNull(remoteTree);
assertTrue(remoteTree instanceof GitRemoteResourceVariantTree);
IResourceVariant resourceVariant = remoteTree
.getResourceVariant(mainJava);
assertNotNull(resourceVariant);
assertTrue(resourceVariant instanceof GitResourceVariant);
assertEquals(fileId.getName(), resourceVariant.getContentIdentifier());
}
private GitResourceVariantTreeSubscriber createGitResourceVariantTreeSubscriber(
String src, String dst) throws IOException {
GitSynchronizeData gsd = new GitSynchronizeData(repo, src, dst, false);
GitSynchronizeDataSet gsds = new GitSynchronizeDataSet(gsd);
new GitResourceVariantTreeSubscriber(gsds);
return new GitResourceVariantTreeSubscriber(gsds);
}
private ObjectId findFileId(RevCommit commit, IFile mainJava)
throws Exception {
TreeWalk tw = new TreeWalk(repo);
tw.reset();
tw.setRecursive(true);
String path = Repository.stripWorkDir(repo.getWorkTree(), mainJava
.getLocation().toFile());
tw.setFilter(PathFilter.create(path));
int nth = tw.addTree(commit.getTree());
tw.next();
return tw.getObjectId(nth);
}
private IResourceVariant commonAssertionsForBaseTree(
IResourceVariantTree baseTree, IResource resource)
throws TeamException {
assertNotNull(baseTree);
assertTrue(baseTree instanceof GitBaseResourceVariantTree);
IResourceVariant resourceVariant = baseTree
.getResourceVariant(resource);
assertNotNull(resourceVariant);
assertTrue(resourceVariant instanceof GitResourceVariant);
return resourceVariant;
}
}
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