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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.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.File;
import java.io.InputStream;
import java.util.Arrays;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.egit.core.op.ConnectProviderOperation;
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.TestProject;
import org.eclipse.egit.core.test.TestRepository;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.IType;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.team.core.variants.IResourceVariant;
import org.eclipse.team.core.variants.ResourceVariantByteStore;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class GitResourceVariantTreeTest extends GitTestCase {
private Repository repo;
private IProject iProject;
private TestRepository testRepo;
private ResourceVariantByteStore store;
@Before
public void createGitRepository() throws Exception {
iProject = project.project;
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();
}
/**
* roots() method should return list of projects that are associated with
* given repository. In this case there is only one project associated with
* this repository therefore only one root should be returned.
*/
@Test
public void shouldReturnOneRoot() {
// when
GitSynchronizeData data = new GitSynchronizeData(repo, "", "", false);
GitSynchronizeDataSet dataSet = new GitSynchronizeDataSet(data);
// given
GitResourceVariantTree grvt = new GitTestResourceVariantTree(dataSet,
store);
// then
assertEquals(1, grvt.roots().length);
IResource actualProject = grvt.roots()[0];
assertEquals(this.project.getProject(), actualProject);
}
/**
* When we have two or more project associated with repository, roots()
* method should return list of project. In this case we have two project
* associated with particular repository, therefore '2' value is expected.
*
* @throws Exception
*/
@Test
public void shouldReturnTwoRoots() throws Exception {
// when
// create second project
TestProject secondProject = new TestProject(true, "Project-2");
IProject secondIProject = secondProject.project;
// add connect project with repository
new ConnectProviderOperation(secondIProject, gitDir).execute(null);
GitSynchronizeData data = new GitSynchronizeData(repo, "", "", false);
GitSynchronizeDataSet dataSet = new GitSynchronizeDataSet(data);
// given
GitResourceVariantTree grvt = new GitTestResourceVariantTree(dataSet,
store);
// then
assertEquals(2, grvt.roots().length);
IResource actualProject = grvt.roots()[1];
assertEquals(this.project.project, actualProject);
IResource actualProject1 = grvt.roots()[0];
assertEquals(secondIProject, actualProject1);
}
/**
* Checks that getResourceVariant will not throw NPE for null argument. This
* method is called with null argument when local or remote resource does
* not exist.
*
* @throws Exception
*/
@Test
public void shouldReturnNullResourceVariant() throws Exception {
// when
GitSynchronizeData data = new GitSynchronizeData(repo, Constants.HEAD,
Constants.MASTER, false);
GitSynchronizeDataSet dataSet = new GitSynchronizeDataSet(data);
// given
GitResourceVariantTree grvt = new GitRemoteResourceVariantTree(dataSet);
// then
assertNull(grvt.getResourceVariant(null));
}
/**
* getResourceVariant() should return null when given resource doesn't exist
* in repository.
*
* @throws Exception
*/
@Test
public void shouldReturnNullResourceVariant2() throws Exception {
// when
IPackageFragment iPackage = project.createPackage("org.egit.test");
IType mainJava = project.createType(iPackage, "Main.java",
"class Main {}");
GitSynchronizeData data = new GitSynchronizeData(repo, Constants.HEAD,
Constants.MASTER, false);
GitSynchronizeDataSet dataSet = new GitSynchronizeDataSet(data);
// given
GitResourceVariantTree grvt = new GitRemoteResourceVariantTree(dataSet);
// then
assertNull(grvt.getResourceVariant(mainJava.getResource()));
}
/**
* Check if getResourceVariant() does return the same resource that was
* committed. Passes only when it is run as a single test, not as a part of
* largest test suite
*
* @throws Exception
*/
@Test
public void shoulReturnSameResourceVariant() 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);
GitSynchronizeData data = new GitSynchronizeData(repo, Constants.HEAD,
Constants.MASTER, false);
GitSynchronizeDataSet dataSet = new GitSynchronizeDataSet(data);
// given
GitResourceVariantTree grvt = new GitRemoteResourceVariantTree(dataSet);
// then
IResourceVariant actual = grvt.getResourceVariant(mainJava);
assertNotNull(actual);
assertEquals(fileName, actual.getName());
InputStream actualIn = actual.getStorage(new NullProgressMonitor())
.getContents();
byte[] actualByte = getBytesAndCloseStream(actualIn);
InputStream expectedIn = mainJava.getContents();
byte[] expectedByte = getBytesAndCloseStream(expectedIn);
assertArrayEquals(expectedByte, actualByte);
}
/**
* Create and commit Main.java file in master branch, then create branch
* "test" checkout nearly created branch and modify Main.java file.
* getResourceVariant() should obtain Main.java file content from "master"
* branch. Passes only when it is run as a single test, not as a part of
* largest test suite
*
* @throws Exception
*/
@Test
public void shouldReturnDifferentResourceVariant() 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.R_HEADS + Constants.MASTER, Constants.R_HEADS + "test");
testRepo.appendContentAndCommit(iProject, file, "// test", "first commit");
GitSynchronizeData data = new GitSynchronizeData(repo, Constants.HEAD,
Constants.MASTER, false);
GitSynchronizeDataSet dataSet = new GitSynchronizeDataSet(data);
// given
GitResourceVariantTree grvt = new GitRemoteResourceVariantTree(dataSet);
// then
IResourceVariant actual = grvt.getResourceVariant(mainJava);
assertNotNull(actual);
assertEquals(fileName, actual.getName());
InputStream actualIn = actual.getStorage(new NullProgressMonitor())
.getContents();
byte[] actualByte = getBytesAndCloseStream(actualIn);
InputStream expectedIn = mainJava.getContents();
byte[] expectedByte = getBytesAndCloseStream(expectedIn);
// assert arrays not equals
if (Arrays.equals(expectedByte, actualByte))
fail();
else
assertTrue(true);
}
private byte[] getBytesAndCloseStream(InputStream stream) throws Exception {
try {
byte[] actualByte = new byte[stream.available()];
stream.read(actualByte);
return actualByte;
} finally {
stream.close();
}
}
}
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