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- /*
- * Copyright (C) 2009-2010, Google Inc.
- * Copyright (C) 2009, Robin Rosenberg
- * Copyright (C) 2009, Robin Rosenberg <robin.rosenberg@dewire.com>
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- * names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
- package org.eclipse.jgit.lib;
-
- import static org.eclipse.jgit.junit.Assert.assertEquals;
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertFalse;
- import static org.junit.Assert.assertNotNull;
- import static org.junit.Assert.assertNull;
- import static org.junit.Assert.assertSame;
- import static org.junit.Assert.assertTrue;
- import static org.junit.Assert.fail;
-
- import java.io.File;
- import java.io.FileOutputStream;
- import java.io.IOException;
- import java.util.Map;
-
- import org.eclipse.jgit.lib.Ref.Storage;
- import org.eclipse.jgit.lib.RefUpdate.Result;
- import org.eclipse.jgit.test.resources.SampleDataRepositoryTestCase;
- import org.junit.Test;
-
- /**
- * Misc tests for refs. A lot of things are tested elsewhere so not having a
- * test for a ref related method, does not mean it is untested.
- */
- public class RefTest extends SampleDataRepositoryTestCase {
-
- private void writeSymref(String src, String dst) throws IOException {
- RefUpdate u = db.updateRef(src);
- switch (u.link(dst)) {
- case NEW:
- case FORCED:
- case NO_CHANGE:
- break;
- default:
- fail("link " + src + " to " + dst);
- }
- }
-
- @Test
- public void testReadAllIncludingSymrefs() throws Exception {
- ObjectId masterId = db.resolve("refs/heads/master");
- RefUpdate updateRef = db.updateRef("refs/remotes/origin/master");
- updateRef.setNewObjectId(masterId);
- updateRef.setForceUpdate(true);
- updateRef.update();
- writeSymref("refs/remotes/origin/HEAD",
- "refs/remotes/origin/master");
-
- ObjectId r = db.resolve("refs/remotes/origin/HEAD");
- assertEquals(masterId, r);
-
- Map<String, Ref> allRefs = db.getAllRefs();
- Ref refHEAD = allRefs.get("refs/remotes/origin/HEAD");
- assertNotNull(refHEAD);
- assertEquals(masterId, refHEAD.getObjectId());
- assertFalse(refHEAD.isPeeled());
- assertNull(refHEAD.getPeeledObjectId());
-
- Ref refmaster = allRefs.get("refs/remotes/origin/master");
- assertEquals(masterId, refmaster.getObjectId());
- assertFalse(refmaster.isPeeled());
- assertNull(refmaster.getPeeledObjectId());
- }
-
- @Test
- public void testReadSymRefToPacked() throws IOException {
- writeSymref("HEAD", "refs/heads/b");
- Ref ref = db.getRef("HEAD");
- assertEquals(Ref.Storage.LOOSE, ref.getStorage());
- assertTrue("is symref", ref.isSymbolic());
- ref = ref.getTarget();
- assertEquals("refs/heads/b", ref.getName());
- assertEquals(Ref.Storage.PACKED, ref.getStorage());
- }
-
- @Test
- public void testReadSymRefToLoosePacked() throws IOException {
- ObjectId pid = db.resolve("refs/heads/master^");
- RefUpdate updateRef = db.updateRef("refs/heads/master");
- updateRef.setNewObjectId(pid);
- updateRef.setForceUpdate(true);
- Result update = updateRef.update();
- assertEquals(Result.FORCED, update); // internal
-
- writeSymref("HEAD", "refs/heads/master");
- Ref ref = db.getRef("HEAD");
- assertEquals(Ref.Storage.LOOSE, ref.getStorage());
- ref = ref.getTarget();
- assertEquals("refs/heads/master", ref.getName());
- assertEquals(Ref.Storage.LOOSE, ref.getStorage());
- }
-
- @Test
- public void testReadLooseRef() throws IOException {
- RefUpdate updateRef = db.updateRef("ref/heads/new");
- updateRef.setNewObjectId(db.resolve("refs/heads/master"));
- Result update = updateRef.update();
- assertEquals(Result.NEW, update);
- Ref ref = db.getRef("ref/heads/new");
- assertEquals(Storage.LOOSE, ref.getStorage());
- }
-
- /**
- * Let an "outsider" create a loose ref with the same name as a packed one
- *
- * @throws IOException
- * @throws InterruptedException
- */
- @Test
- public void testReadLoosePackedRef() throws IOException,
- InterruptedException {
- Ref ref = db.getRef("refs/heads/master");
- assertEquals(Storage.PACKED, ref.getStorage());
- FileOutputStream os = new FileOutputStream(new File(db.getDirectory(),
- "refs/heads/master"));
- os.write(ref.getObjectId().name().getBytes());
- os.write('\n');
- os.close();
-
- ref = db.getRef("refs/heads/master");
- assertEquals(Storage.LOOSE, ref.getStorage());
- }
-
- /**
- * Modify a packed ref using the API. This creates a loose ref too, ie.
- * LOOSE_PACKED
- *
- * @throws IOException
- */
- @Test
- public void testReadSimplePackedRefSameRepo() throws IOException {
- Ref ref = db.getRef("refs/heads/master");
- ObjectId pid = db.resolve("refs/heads/master^");
- assertEquals(Storage.PACKED, ref.getStorage());
- RefUpdate updateRef = db.updateRef("refs/heads/master");
- updateRef.setNewObjectId(pid);
- updateRef.setForceUpdate(true);
- Result update = updateRef.update();
- assertEquals(Result.FORCED, update);
-
- ref = db.getRef("refs/heads/master");
- assertEquals(Storage.LOOSE, ref.getStorage());
- }
-
- @Test
- public void testResolvedNamesBranch() throws IOException {
- Ref ref = db.getRef("a");
- assertEquals("refs/heads/a", ref.getName());
- }
-
- @Test
- public void testResolvedSymRef() throws IOException {
- Ref ref = db.getRef(Constants.HEAD);
- assertEquals(Constants.HEAD, ref.getName());
- assertTrue("is symbolic ref", ref.isSymbolic());
- assertSame(Ref.Storage.LOOSE, ref.getStorage());
-
- Ref dst = ref.getTarget();
- assertNotNull("has target", dst);
- assertEquals("refs/heads/master", dst.getName());
-
- assertSame(dst.getObjectId(), ref.getObjectId());
- assertSame(dst.getPeeledObjectId(), ref.getPeeledObjectId());
- assertEquals(dst.isPeeled(), ref.isPeeled());
- }
- }
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