| /* |
| * 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 java.nio.charset.StandardCharsets.UTF_8; |
| 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.Collection; |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.TreeSet; |
| |
| import org.eclipse.jgit.lib.Ref.Storage; |
| import org.eclipse.jgit.lib.RefUpdate.Result; |
| import org.eclipse.jgit.storage.file.FileBasedConfig; |
| 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); |
| } |
| } |
| |
| private void writeNewRef(String name, ObjectId value) throws IOException { |
| RefUpdate updateRef = db.updateRef(name); |
| updateRef.setNewObjectId(value); |
| assertEquals(RefUpdate.Result.NEW, updateRef.update()); |
| } |
| |
| @Test |
| public void testRemoteNames() throws Exception { |
| FileBasedConfig config = db.getConfig(); |
| config.setBoolean(ConfigConstants.CONFIG_REMOTE_SECTION, |
| "origin", "dummy", true); |
| config.setBoolean(ConfigConstants.CONFIG_REMOTE_SECTION, |
| "ab/c", "dummy", true); |
| config.save(); |
| assertEquals("[ab/c, origin]", |
| new TreeSet<>(db.getRemoteNames()).toString()); |
| |
| // one-level deep remote branch |
| assertEquals("master", |
| db.shortenRemoteBranchName("refs/remotes/origin/master")); |
| assertEquals("origin", db.getRemoteName("refs/remotes/origin/master")); |
| |
| // two-level deep remote branch |
| assertEquals("masta/r", |
| db.shortenRemoteBranchName("refs/remotes/origin/masta/r")); |
| assertEquals("origin", db.getRemoteName("refs/remotes/origin/masta/r")); |
| |
| // Remote with slash and one-level deep branch name |
| assertEquals("xmaster", |
| db.shortenRemoteBranchName("refs/remotes/ab/c/xmaster")); |
| assertEquals("ab/c", db.getRemoteName("refs/remotes/ab/c/xmaster")); |
| |
| // Remote with slash and two-level deep branch name |
| assertEquals("xmasta/r", |
| db.shortenRemoteBranchName("refs/remotes/ab/c/xmasta/r")); |
| assertEquals("ab/c", db.getRemoteName("refs/remotes/ab/c/xmasta/r")); |
| |
| // no such remote |
| assertNull(db.getRemoteName("refs/remotes/nosuchremote/x")); |
| assertNull(db.shortenRemoteBranchName("refs/remotes/nosuchremote/x")); |
| |
| // no such remote too, no branch name either |
| assertNull(db.getRemoteName("refs/remotes/abranch")); |
| assertNull(db.shortenRemoteBranchName("refs/remotes/abranch")); |
| |
| // // local branch |
| assertNull(db.getRemoteName("refs/heads/abranch")); |
| assertNull(db.shortenRemoteBranchName("refs/heads/abranch")); |
| } |
| |
| @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); |
| |
| List<Ref> allRefs = db.getRefDatabase().getRefs(); |
| Optional<Ref> refHEAD = allRefs.stream() |
| .filter(ref -> ref.getName().equals("refs/remotes/origin/HEAD")) |
| .findAny(); |
| assertTrue(refHEAD.isPresent()); |
| assertEquals(masterId, refHEAD.get().getObjectId()); |
| assertFalse(refHEAD.get().isPeeled()); |
| assertNull(refHEAD.get().getPeeledObjectId()); |
| |
| Optional<Ref> refmaster = allRefs.stream().filter( |
| ref -> ref.getName().equals("refs/remotes/origin/master")) |
| .findAny(); |
| assertTrue(refmaster.isPresent()); |
| assertEquals(masterId, refmaster.get().getObjectId()); |
| assertFalse(refmaster.get().isPeeled()); |
| assertNull(refmaster.get().getPeeledObjectId()); |
| } |
| |
| @Test |
| public void testReadSymRefToPacked() throws IOException { |
| writeSymref("HEAD", "refs/heads/b"); |
| Ref ref = db.exactRef("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.exactRef("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.exactRef("ref/heads/new"); |
| assertEquals(Storage.LOOSE, ref.getStorage()); |
| } |
| |
| @Test |
| public void testGetShortRef() throws IOException { |
| Ref ref = db.exactRef("refs/heads/master"); |
| assertEquals("refs/heads/master", ref.getName()); |
| assertEquals(db.resolve("refs/heads/master"), ref.getObjectId()); |
| } |
| |
| @Test |
| public void testGetShortExactRef() throws IOException { |
| assertNull(db.getRefDatabase().exactRef("master")); |
| |
| Ref ref = db.getRefDatabase().exactRef("HEAD"); |
| assertEquals("HEAD", ref.getName()); |
| assertEquals("refs/heads/master", ref.getTarget().getName()); |
| assertEquals(db.resolve("refs/heads/master"), ref.getObjectId()); |
| } |
| |
| @Test |
| public void testRefsUnderRefs() throws IOException { |
| ObjectId masterId = db.resolve("refs/heads/master"); |
| writeNewRef("refs/heads/refs/foo/bar", masterId); |
| |
| assertNull(db.getRefDatabase().exactRef("refs/foo/bar")); |
| |
| Ref ref = db.findRef("refs/foo/bar"); |
| assertEquals("refs/heads/refs/foo/bar", ref.getName()); |
| assertEquals(db.resolve("refs/heads/master"), ref.getObjectId()); |
| } |
| |
| @Test |
| public void testAmbiguousRefsUnderRefs() throws IOException { |
| ObjectId masterId = db.resolve("refs/heads/master"); |
| writeNewRef("refs/foo/bar", masterId); |
| writeNewRef("refs/heads/refs/foo/bar", masterId); |
| |
| Ref exactRef = db.getRefDatabase().exactRef("refs/foo/bar"); |
| assertEquals("refs/foo/bar", exactRef.getName()); |
| assertEquals(masterId, exactRef.getObjectId()); |
| |
| Ref ref = db.findRef("refs/foo/bar"); |
| assertEquals("refs/foo/bar", ref.getName()); |
| assertEquals(masterId, ref.getObjectId()); |
| } |
| |
| /** |
| * 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.exactRef("refs/heads/master"); |
| assertEquals(Storage.PACKED, ref.getStorage()); |
| try (FileOutputStream os = new FileOutputStream( |
| new File(db.getDirectory(), "refs/heads/master"))) { |
| os.write(ref.getObjectId().name().getBytes(UTF_8)); |
| os.write('\n'); |
| } |
| |
| ref = db.exactRef("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.exactRef("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.exactRef("refs/heads/master"); |
| assertEquals(Storage.LOOSE, ref.getStorage()); |
| } |
| |
| @Test |
| public void testResolvedNamesBranch() throws IOException { |
| Ref ref = db.findRef("a"); |
| assertEquals("refs/heads/a", ref.getName()); |
| } |
| |
| @Test |
| public void testResolvedSymRef() throws IOException { |
| Ref ref = db.exactRef(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()); |
| } |
| |
| private static void checkContainsRef(Collection<Ref> haystack, Ref needle) { |
| for (Ref ref : haystack) { |
| if (ref.getName().equals(needle.getName()) && |
| ref.getObjectId().equals(needle.getObjectId())) { |
| return; |
| } |
| } |
| fail("list " + haystack + " does not contain ref " + needle); |
| } |
| |
| @Test |
| public void testGetRefsByPrefix() throws IOException { |
| List<Ref> refs = db.getRefDatabase().getRefsByPrefix("refs/heads/g"); |
| assertEquals(2, refs.size()); |
| checkContainsRef(refs, db.exactRef("refs/heads/g")); |
| checkContainsRef(refs, db.exactRef("refs/heads/gitlink")); |
| |
| refs = db.getRefDatabase().getRefsByPrefix("refs/heads/prefix/"); |
| assertEquals(1, refs.size()); |
| checkContainsRef(refs, db.exactRef("refs/heads/prefix/a")); |
| } |
| |
| @Test |
| public void testGetRefsByPrefixes() throws IOException { |
| List<Ref> refs = db.getRefDatabase().getRefsByPrefix(); |
| assertEquals(0, refs.size()); |
| |
| refs = db.getRefDatabase().getRefsByPrefix("refs/heads/p", |
| "refs/tags/A"); |
| assertEquals(3, refs.size()); |
| checkContainsRef(refs, db.exactRef("refs/heads/pa")); |
| checkContainsRef(refs, db.exactRef("refs/heads/prefix/a")); |
| checkContainsRef(refs, db.exactRef("refs/tags/A")); |
| } |
| |
| @Test |
| public void testResolveTipSha1() throws IOException { |
| ObjectId masterId = db.resolve("refs/heads/master"); |
| Set<Ref> resolved = db.getRefDatabase().getTipsWithSha1(masterId); |
| |
| assertEquals(2, resolved.size()); |
| checkContainsRef(resolved, db.exactRef("refs/heads/master")); |
| checkContainsRef(resolved, db.exactRef("HEAD")); |
| |
| assertEquals(db.getRefDatabase() |
| .getTipsWithSha1(ObjectId.zeroId()).size(), 0); |
| } |
| } |