123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853 |
- /*
- * Copyright (C) 2008, Charles O'Farrell <charleso@charleso.org>
- * Copyright (C) 2009-2010, Google Inc.
- * Copyright (C) 2008-2009, 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.storage.file;
-
- import java.io.File;
- import java.io.IOException;
- import java.util.List;
- import java.util.Map;
- import java.util.Map.Entry;
-
- import org.eclipse.jgit.lib.Constants;
- import org.eclipse.jgit.lib.ObjectId;
- import org.eclipse.jgit.lib.PersonIdent;
- import org.eclipse.jgit.lib.Ref;
- import org.eclipse.jgit.lib.RefRename;
- import org.eclipse.jgit.lib.RefUpdate;
- import org.eclipse.jgit.lib.Repository;
- import org.eclipse.jgit.lib.SampleDataRepositoryTestCase;
- import org.eclipse.jgit.lib.RefUpdate.Result;
- import org.eclipse.jgit.revwalk.RevCommit;
- import org.eclipse.jgit.revwalk.RevWalk;
- import org.eclipse.jgit.storage.file.FileRepository;
- import org.eclipse.jgit.storage.file.LockFile;
- import org.eclipse.jgit.storage.file.RefDirectory;
- import org.eclipse.jgit.storage.file.RefDirectoryUpdate;
- import org.eclipse.jgit.storage.file.ReflogReader;
-
- public class RefUpdateTest 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 RefUpdate updateRef(final String name) throws IOException {
- final RefUpdate ref = db.updateRef(name);
- ref.setNewObjectId(db.resolve(Constants.HEAD));
- return ref;
- }
-
- private void delete(final RefUpdate ref, final Result expected)
- throws IOException {
- delete(ref, expected, true, true);
- }
-
- private void delete(final RefUpdate ref, final Result expected,
- final boolean exists, final boolean removed) throws IOException {
- assertEquals(exists, db.getAllRefs().containsKey(ref.getName()));
- assertEquals(expected, ref.delete());
- assertEquals(!removed, db.getAllRefs().containsKey(ref.getName()));
- }
-
- public void testNoCacheObjectIdSubclass() throws IOException {
- final String newRef = "refs/heads/abc";
- final RefUpdate ru = updateRef(newRef);
- final RevCommit newid = new RevCommit(ru.getNewObjectId()) {
- // empty
- };
- ru.setNewObjectId(newid);
- Result update = ru.update();
- assertEquals(Result.NEW, update);
- final Ref r = db.getAllRefs().get(newRef);
- assertNotNull(r);
- assertEquals(newRef, r.getName());
- assertNotNull(r.getObjectId());
- assertNotSame(newid, r.getObjectId());
- assertSame(ObjectId.class, r.getObjectId().getClass());
- assertEquals(newid.copy(), r.getObjectId());
- List<org.eclipse.jgit.storage.file.ReflogReader.Entry> reverseEntries1 = db.getReflogReader("refs/heads/abc").getReverseEntries();
- org.eclipse.jgit.storage.file.ReflogReader.Entry entry1 = reverseEntries1.get(0);
- assertEquals(1, reverseEntries1.size());
- assertEquals(ObjectId.zeroId(), entry1.getOldId());
- assertEquals(r.getObjectId(), entry1.getNewId());
- assertEquals(new PersonIdent(db).toString(), entry1.getWho().toString());
- assertEquals("", entry1.getComment());
- List<org.eclipse.jgit.storage.file.ReflogReader.Entry> reverseEntries2 = db.getReflogReader("HEAD").getReverseEntries();
- assertEquals(0, reverseEntries2.size());
- }
-
- public void testNewNamespaceConflictWithLoosePrefixNameExists()
- throws IOException {
- final String newRef = "refs/heads/z";
- final RefUpdate ru = updateRef(newRef);
- final RevCommit newid = new RevCommit(ru.getNewObjectId()) {
- // empty
- };
- ru.setNewObjectId(newid);
- Result update = ru.update();
- assertEquals(Result.NEW, update);
- // end setup
- final String newRef2 = "refs/heads/z/a";
- final RefUpdate ru2 = updateRef(newRef2);
- final RevCommit newid2 = new RevCommit(ru2.getNewObjectId()) {
- // empty
- };
- ru.setNewObjectId(newid2);
- Result update2 = ru2.update();
- assertEquals(Result.LOCK_FAILURE, update2);
- assertEquals(1, db.getReflogReader("refs/heads/z").getReverseEntries().size());
- assertEquals(0, db.getReflogReader("HEAD").getReverseEntries().size());
- }
-
- public void testNewNamespaceConflictWithPackedPrefixNameExists()
- throws IOException {
- final String newRef = "refs/heads/master/x";
- final RefUpdate ru = updateRef(newRef);
- final RevCommit newid = new RevCommit(ru.getNewObjectId()) {
- // empty
- };
- ru.setNewObjectId(newid);
- Result update = ru.update();
- assertEquals(Result.LOCK_FAILURE, update);
- assertNull(db.getReflogReader("refs/heads/master/x"));
- assertEquals(0, db.getReflogReader("HEAD").getReverseEntries().size());
- }
-
- public void testNewNamespaceConflictWithLoosePrefixOfExisting()
- throws IOException {
- final String newRef = "refs/heads/z/a";
- final RefUpdate ru = updateRef(newRef);
- final RevCommit newid = new RevCommit(ru.getNewObjectId()) {
- // empty
- };
- ru.setNewObjectId(newid);
- Result update = ru.update();
- assertEquals(Result.NEW, update);
- // end setup
- final String newRef2 = "refs/heads/z";
- final RefUpdate ru2 = updateRef(newRef2);
- final RevCommit newid2 = new RevCommit(ru2.getNewObjectId()) {
- // empty
- };
- ru.setNewObjectId(newid2);
- Result update2 = ru2.update();
- assertEquals(Result.LOCK_FAILURE, update2);
- assertEquals(1, db.getReflogReader("refs/heads/z/a").getReverseEntries().size());
- assertNull(db.getReflogReader("refs/heads/z"));
- assertEquals(0, db.getReflogReader("HEAD").getReverseEntries().size());
- }
-
- public void testNewNamespaceConflictWithPackedPrefixOfExisting()
- throws IOException {
- final String newRef = "refs/heads/prefix";
- final RefUpdate ru = updateRef(newRef);
- final RevCommit newid = new RevCommit(ru.getNewObjectId()) {
- // empty
- };
- ru.setNewObjectId(newid);
- Result update = ru.update();
- assertEquals(Result.LOCK_FAILURE, update);
- assertNull(db.getReflogReader("refs/heads/prefix"));
- assertEquals(0, db.getReflogReader("HEAD").getReverseEntries().size());
- }
-
- /**
- * Delete a ref that is pointed to by HEAD
- *
- * @throws IOException
- */
- public void testDeleteHEADreferencedRef() 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
-
- RefUpdate updateRef2 = db.updateRef("refs/heads/master");
- Result delete = updateRef2.delete();
- assertEquals(Result.REJECTED_CURRENT_BRANCH, delete);
- assertEquals(pid, db.resolve("refs/heads/master"));
- assertEquals(1,db.getReflogReader("refs/heads/master").getReverseEntries().size());
- assertEquals(0,db.getReflogReader("HEAD").getReverseEntries().size());
- }
-
- public void testLooseDelete() throws IOException {
- final String newRef = "refs/heads/abc";
- RefUpdate ref = updateRef(newRef);
- ref.update(); // create loose ref
- ref = updateRef(newRef); // refresh
- delete(ref, Result.NO_CHANGE);
- assertNull(db.getReflogReader("refs/heads/abc"));
- }
-
- public void testDeleteHead() throws IOException {
- final RefUpdate ref = updateRef(Constants.HEAD);
- delete(ref, Result.REJECTED_CURRENT_BRANCH, true, false);
- assertEquals(0, db.getReflogReader("refs/heads/master").getReverseEntries().size());
- assertEquals(0, db.getReflogReader("HEAD").getReverseEntries().size());
- }
-
- /**
- * Delete a loose ref and make sure the directory in refs is deleted too,
- * and the reflog dir too
- *
- * @throws IOException
- */
- public void testDeleteLooseAndItsDirectory() throws IOException {
- ObjectId pid = db.resolve("refs/heads/c^");
- RefUpdate updateRef = db.updateRef("refs/heads/z/c");
- updateRef.setNewObjectId(pid);
- updateRef.setForceUpdate(true);
- updateRef.setRefLogMessage("new test ref", false);
- Result update = updateRef.update();
- assertEquals(Result.NEW, update); // internal
- assertTrue(new File(db.getDirectory(), Constants.R_HEADS + "z")
- .exists());
- assertTrue(new File(db.getDirectory(), "logs/refs/heads/z").exists());
-
- // The real test here
- RefUpdate updateRef2 = db.updateRef("refs/heads/z/c");
- updateRef2.setForceUpdate(true);
- Result delete = updateRef2.delete();
- assertEquals(Result.FORCED, delete);
- assertNull(db.resolve("refs/heads/z/c"));
- assertFalse(new File(db.getDirectory(), Constants.R_HEADS + "z")
- .exists());
- assertFalse(new File(db.getDirectory(), "logs/refs/heads/z").exists());
- }
-
- public void testDeleteNotFound() throws IOException {
- final RefUpdate ref = updateRef("refs/heads/xyz");
- delete(ref, Result.NEW, false, true);
- }
-
- public void testDeleteFastForward() throws IOException {
- final RefUpdate ref = updateRef("refs/heads/a");
- delete(ref, Result.FAST_FORWARD);
- }
-
- public void testDeleteForce() throws IOException {
- final RefUpdate ref = db.updateRef("refs/heads/b");
- ref.setNewObjectId(db.resolve("refs/heads/a"));
- delete(ref, Result.REJECTED, true, false);
- ref.setForceUpdate(true);
- delete(ref, Result.FORCED);
- }
-
- public void testRefKeySameAsName() {
- Map<String, Ref> allRefs = db.getAllRefs();
- for (Entry<String, Ref> e : allRefs.entrySet()) {
- assertEquals(e.getKey(), e.getValue().getName());
-
- }
- }
-
- /**
- * Try modify a ref forward, fast forward
- *
- * @throws IOException
- */
- public void testUpdateRefForward() throws IOException {
- ObjectId ppid = db.resolve("refs/heads/master^");
- ObjectId pid = db.resolve("refs/heads/master");
-
- RefUpdate updateRef = db.updateRef("refs/heads/master");
- updateRef.setNewObjectId(ppid);
- updateRef.setForceUpdate(true);
- Result update = updateRef.update();
- assertEquals(Result.FORCED, update);
- assertEquals(ppid, db.resolve("refs/heads/master"));
-
- // real test
- RefUpdate updateRef2 = db.updateRef("refs/heads/master");
- updateRef2.setNewObjectId(pid);
- Result update2 = updateRef2.update();
- assertEquals(Result.FAST_FORWARD, update2);
- assertEquals(pid, db.resolve("refs/heads/master"));
- }
-
- /**
- * Update the HEAD ref. Only it should be changed, not what it points to.
- *
- * @throws Exception
- */
- public void testUpdateRefDetached() throws Exception {
- ObjectId pid = db.resolve("refs/heads/master");
- ObjectId ppid = db.resolve("refs/heads/master^");
- RefUpdate updateRef = db.updateRef("HEAD", true);
- updateRef.setForceUpdate(true);
- updateRef.setNewObjectId(ppid);
- Result update = updateRef.update();
- assertEquals(Result.FORCED, update);
- assertEquals(ppid, db.resolve("HEAD"));
- Ref ref = db.getRef("HEAD");
- assertEquals("HEAD", ref.getName());
- assertTrue("is detached", !ref.isSymbolic());
-
- // the branch HEAD referred to is left untouched
- assertEquals(pid, db.resolve("refs/heads/master"));
- ReflogReader reflogReader = new ReflogReader(db, "HEAD");
- org.eclipse.jgit.storage.file.ReflogReader.Entry e = reflogReader.getReverseEntries().get(0);
- assertEquals(pid, e.getOldId());
- assertEquals(ppid, e.getNewId());
- assertEquals("GIT_COMMITTER_EMAIL", e.getWho().getEmailAddress());
- assertEquals("GIT_COMMITTER_NAME", e.getWho().getName());
- assertEquals(1250379778000L, e.getWho().getWhen().getTime());
- }
-
- /**
- * Update the HEAD ref when the referenced branch is unborn
- *
- * @throws Exception
- */
- public void testUpdateRefDetachedUnbornHead() throws Exception {
- ObjectId ppid = db.resolve("refs/heads/master^");
- writeSymref("HEAD", "refs/heads/unborn");
- RefUpdate updateRef = db.updateRef("HEAD", true);
- updateRef.setForceUpdate(true);
- updateRef.setNewObjectId(ppid);
- Result update = updateRef.update();
- assertEquals(Result.NEW, update);
- assertEquals(ppid, db.resolve("HEAD"));
- Ref ref = db.getRef("HEAD");
- assertEquals("HEAD", ref.getName());
- assertTrue("is detached", !ref.isSymbolic());
-
- // the branch HEAD referred to is left untouched
- assertNull(db.resolve("refs/heads/unborn"));
- ReflogReader reflogReader = new ReflogReader(db, "HEAD");
- org.eclipse.jgit.storage.file.ReflogReader.Entry e = reflogReader.getReverseEntries().get(0);
- assertEquals(ObjectId.zeroId(), e.getOldId());
- assertEquals(ppid, e.getNewId());
- assertEquals("GIT_COMMITTER_EMAIL", e.getWho().getEmailAddress());
- assertEquals("GIT_COMMITTER_NAME", e.getWho().getName());
- assertEquals(1250379778000L, e.getWho().getWhen().getTime());
- }
-
- /**
- * Delete a ref that exists both as packed and loose. Make sure the ref
- * cannot be resolved after delete.
- *
- * @throws IOException
- */
- public void testDeleteLoosePacked() throws IOException {
- ObjectId pid = db.resolve("refs/heads/c^");
- RefUpdate updateRef = db.updateRef("refs/heads/c");
- updateRef.setNewObjectId(pid);
- updateRef.setForceUpdate(true);
- Result update = updateRef.update();
- assertEquals(Result.FORCED, update); // internal
-
- // The real test here
- RefUpdate updateRef2 = db.updateRef("refs/heads/c");
- updateRef2.setForceUpdate(true);
- Result delete = updateRef2.delete();
- assertEquals(Result.FORCED, delete);
- assertNull(db.resolve("refs/heads/c"));
- }
-
- /**
- * Try modify a ref to same
- *
- * @throws IOException
- */
- public void testUpdateRefNoChange() throws IOException {
- ObjectId pid = db.resolve("refs/heads/master");
- RefUpdate updateRef = db.updateRef("refs/heads/master");
- updateRef.setNewObjectId(pid);
- Result update = updateRef.update();
- assertEquals(Result.NO_CHANGE, update);
- assertEquals(pid, db.resolve("refs/heads/master"));
- }
-
- /**
- * Test case originating from
- * <a href="http://bugs.eclipse.org/285991">bug 285991</a>
- *
- * Make sure the in memory cache is updated properly after
- * update of symref. This one did not fail because the
- * ref was packed due to implementation issues.
- *
- * @throws Exception
- */
- public void testRefsCacheAfterUpdate() throws Exception {
- // Do not use the defalt repo for this case.
- Map<String, Ref> allRefs = db.getAllRefs();
- ObjectId oldValue = db.resolve("HEAD");
- ObjectId newValue = db.resolve("HEAD^");
- // first make HEAD refer to loose ref
- RefUpdate updateRef = db.updateRef(Constants.HEAD);
- updateRef.setForceUpdate(true);
- updateRef.setNewObjectId(newValue);
- Result update = updateRef.update();
- assertEquals(Result.FORCED, update);
-
- // now update that ref
- updateRef = db.updateRef(Constants.HEAD);
- updateRef.setForceUpdate(true);
- updateRef.setNewObjectId(oldValue);
- update = updateRef.update();
- assertEquals(Result.FAST_FORWARD, update);
-
- allRefs = db.getAllRefs();
- Ref master = allRefs.get("refs/heads/master");
- Ref head = allRefs.get("HEAD");
- assertEquals("refs/heads/master", master.getName());
- assertEquals("HEAD", head.getName());
- assertTrue("is symbolic reference", head.isSymbolic());
- assertSame(master, head.getTarget());
- }
-
- /**
- * Test case originating from
- * <a href="http://bugs.eclipse.org/285991">bug 285991</a>
- *
- * Make sure the in memory cache is updated properly after
- * update of symref.
- *
- * @throws Exception
- */
- public void testRefsCacheAfterUpdateLooseOnly() throws Exception {
- // Do not use the defalt repo for this case.
- Map<String, Ref> allRefs = db.getAllRefs();
- ObjectId oldValue = db.resolve("HEAD");
- writeSymref(Constants.HEAD, "refs/heads/newref");
- RefUpdate updateRef = db.updateRef(Constants.HEAD);
- updateRef.setForceUpdate(true);
- updateRef.setNewObjectId(oldValue);
- Result update = updateRef.update();
- assertEquals(Result.NEW, update);
-
- allRefs = db.getAllRefs();
- Ref head = allRefs.get("HEAD");
- Ref newref = allRefs.get("refs/heads/newref");
- assertEquals("refs/heads/newref", newref.getName());
- assertEquals("HEAD", head.getName());
- assertTrue("is symbolic reference", head.isSymbolic());
- assertSame(newref, head.getTarget());
- }
-
- /**
- * Try modify a ref, but get wrong expected old value
- *
- * @throws IOException
- */
- public void testUpdateRefLockFailureWrongOldValue() throws IOException {
- ObjectId pid = db.resolve("refs/heads/master");
- RefUpdate updateRef = db.updateRef("refs/heads/master");
- updateRef.setNewObjectId(pid);
- updateRef.setExpectedOldObjectId(db.resolve("refs/heads/master^"));
- Result update = updateRef.update();
- assertEquals(Result.LOCK_FAILURE, update);
- assertEquals(pid, db.resolve("refs/heads/master"));
- }
-
- /**
- * Try modify a ref forward, fast forward, checking old value first
- *
- * @throws IOException
- */
- public void testUpdateRefForwardWithCheck1() throws IOException {
- ObjectId ppid = db.resolve("refs/heads/master^");
- ObjectId pid = db.resolve("refs/heads/master");
-
- RefUpdate updateRef = db.updateRef("refs/heads/master");
- updateRef.setNewObjectId(ppid);
- updateRef.setForceUpdate(true);
- Result update = updateRef.update();
- assertEquals(Result.FORCED, update);
- assertEquals(ppid, db.resolve("refs/heads/master"));
-
- // real test
- RefUpdate updateRef2 = db.updateRef("refs/heads/master");
- updateRef2.setExpectedOldObjectId(ppid);
- updateRef2.setNewObjectId(pid);
- Result update2 = updateRef2.update();
- assertEquals(Result.FAST_FORWARD, update2);
- assertEquals(pid, db.resolve("refs/heads/master"));
- }
-
- /**
- * Try modify a ref forward, fast forward, checking old commit first
- *
- * @throws IOException
- */
- public void testUpdateRefForwardWithCheck2() throws IOException {
- ObjectId ppid = db.resolve("refs/heads/master^");
- ObjectId pid = db.resolve("refs/heads/master");
-
- RefUpdate updateRef = db.updateRef("refs/heads/master");
- updateRef.setNewObjectId(ppid);
- updateRef.setForceUpdate(true);
- Result update = updateRef.update();
- assertEquals(Result.FORCED, update);
- assertEquals(ppid, db.resolve("refs/heads/master"));
-
- // real test
- RevCommit old = new RevWalk(db).parseCommit(ppid);
- RefUpdate updateRef2 = db.updateRef("refs/heads/master");
- updateRef2.setExpectedOldObjectId(old);
- updateRef2.setNewObjectId(pid);
- Result update2 = updateRef2.update();
- assertEquals(Result.FAST_FORWARD, update2);
- assertEquals(pid, db.resolve("refs/heads/master"));
- }
-
- /**
- * Try modify a ref that is locked
- *
- * @throws IOException
- */
- public void testUpdateRefLockFailureLocked() throws IOException {
- ObjectId opid = db.resolve("refs/heads/master");
- ObjectId pid = db.resolve("refs/heads/master^");
- RefUpdate updateRef = db.updateRef("refs/heads/master");
- updateRef.setNewObjectId(pid);
- LockFile lockFile1 = new LockFile(new File(db.getDirectory(),"refs/heads/master"));
- try {
- assertTrue(lockFile1.lock()); // precondition to test
- Result update = updateRef.update();
- assertEquals(Result.LOCK_FAILURE, update);
- assertEquals(opid, db.resolve("refs/heads/master"));
- LockFile lockFile2 = new LockFile(new File(db.getDirectory(),"refs/heads/master"));
- assertFalse(lockFile2.lock()); // was locked, still is
- } finally {
- lockFile1.unlock();
- }
- }
-
- /**
- * Try to delete a ref. Delete requires force.
- *
- * @throws IOException
- */
- public void testDeleteLoosePackedRejected() throws IOException {
- ObjectId pid = db.resolve("refs/heads/c^");
- ObjectId oldpid = db.resolve("refs/heads/c");
- RefUpdate updateRef = db.updateRef("refs/heads/c");
- updateRef.setNewObjectId(pid);
- Result update = updateRef.update();
- assertEquals(Result.REJECTED, update);
- assertEquals(oldpid, db.resolve("refs/heads/c"));
- }
-
- public void testRenameBranchNoPreviousLog() throws IOException {
- assertFalse("precondition, no log on old branchg", new File(db
- .getDirectory(), "logs/refs/heads/b").exists());
- ObjectId rb = db.resolve("refs/heads/b");
- ObjectId oldHead = db.resolve(Constants.HEAD);
- assertFalse(rb.equals(oldHead)); // assumption for this test
- RefRename renameRef = db.renameRef("refs/heads/b",
- "refs/heads/new/name");
- Result result = renameRef.rename();
- assertEquals(Result.RENAMED, result);
- assertEquals(rb, db.resolve("refs/heads/new/name"));
- assertNull(db.resolve("refs/heads/b"));
- assertEquals(1, db.getReflogReader("new/name").getReverseEntries().size());
- assertEquals("Branch: renamed b to new/name", db.getReflogReader("new/name")
- .getLastEntry().getComment());
- assertFalse(new File(db.getDirectory(), "logs/refs/heads/b").exists());
- assertEquals(oldHead, db.resolve(Constants.HEAD)); // unchanged
- }
-
- public void testRenameBranchHasPreviousLog() throws IOException {
- ObjectId rb = db.resolve("refs/heads/b");
- ObjectId oldHead = db.resolve(Constants.HEAD);
- assertFalse("precondition for this test, branch b != HEAD", rb
- .equals(oldHead));
- writeReflog(db, rb, rb, "Just a message", "refs/heads/b");
- assertTrue("log on old branch", new File(db.getDirectory(),
- "logs/refs/heads/b").exists());
- RefRename renameRef = db.renameRef("refs/heads/b",
- "refs/heads/new/name");
- Result result = renameRef.rename();
- assertEquals(Result.RENAMED, result);
- assertEquals(rb, db.resolve("refs/heads/new/name"));
- assertNull(db.resolve("refs/heads/b"));
- assertEquals(2, db.getReflogReader("new/name").getReverseEntries().size());
- assertEquals("Branch: renamed b to new/name", db.getReflogReader("new/name")
- .getLastEntry().getComment());
- assertEquals("Just a message", db.getReflogReader("new/name")
- .getReverseEntries().get(1).getComment());
- assertFalse(new File(db.getDirectory(), "logs/refs/heads/b").exists());
- assertEquals(oldHead, db.resolve(Constants.HEAD)); // unchanged
- }
-
- public void testRenameCurrentBranch() throws IOException {
- ObjectId rb = db.resolve("refs/heads/b");
- writeSymref(Constants.HEAD, "refs/heads/b");
- ObjectId oldHead = db.resolve(Constants.HEAD);
- assertTrue("internal test condition, b == HEAD", rb.equals(oldHead));
- writeReflog(db, rb, rb, "Just a message", "refs/heads/b");
- assertTrue("log on old branch", new File(db.getDirectory(),
- "logs/refs/heads/b").exists());
- RefRename renameRef = db.renameRef("refs/heads/b",
- "refs/heads/new/name");
- Result result = renameRef.rename();
- assertEquals(Result.RENAMED, result);
- assertEquals(rb, db.resolve("refs/heads/new/name"));
- assertNull(db.resolve("refs/heads/b"));
- assertEquals("Branch: renamed b to new/name", db.getReflogReader(
- "new/name").getLastEntry().getComment());
- assertFalse(new File(db.getDirectory(), "logs/refs/heads/b").exists());
- assertEquals(rb, db.resolve(Constants.HEAD));
- assertEquals(2, db.getReflogReader("new/name").getReverseEntries().size());
- assertEquals("Branch: renamed b to new/name", db.getReflogReader("new/name").getReverseEntries().get(0).getComment());
- assertEquals("Just a message", db.getReflogReader("new/name").getReverseEntries().get(1).getComment());
- }
-
- public void testRenameBranchAlsoInPack() throws IOException {
- ObjectId rb = db.resolve("refs/heads/b");
- ObjectId rb2 = db.resolve("refs/heads/b~1");
- assertEquals(Ref.Storage.PACKED, db.getRef("refs/heads/b").getStorage());
- RefUpdate updateRef = db.updateRef("refs/heads/b");
- updateRef.setNewObjectId(rb2);
- updateRef.setForceUpdate(true);
- Result update = updateRef.update();
- assertEquals("internal check new ref is loose", Result.FORCED, update);
- assertEquals(Ref.Storage.LOOSE, db.getRef("refs/heads/b").getStorage());
- writeReflog(db, rb, rb, "Just a message", "refs/heads/b");
- assertTrue("log on old branch", new File(db.getDirectory(),
- "logs/refs/heads/b").exists());
- RefRename renameRef = db.renameRef("refs/heads/b",
- "refs/heads/new/name");
- Result result = renameRef.rename();
- assertEquals(Result.RENAMED, result);
- assertEquals(rb2, db.resolve("refs/heads/new/name"));
- assertNull(db.resolve("refs/heads/b"));
- assertEquals("Branch: renamed b to new/name", db.getReflogReader(
- "new/name").getLastEntry().getComment());
- assertEquals(3, db.getReflogReader("refs/heads/new/name").getReverseEntries().size());
- assertEquals("Branch: renamed b to new/name", db.getReflogReader("refs/heads/new/name").getReverseEntries().get(0).getComment());
- assertEquals(0, db.getReflogReader("HEAD").getReverseEntries().size());
- // make sure b's log file is gone too.
- assertFalse(new File(db.getDirectory(), "logs/refs/heads/b").exists());
-
- // Create new Repository instance, to reread caches and make sure our
- // assumptions are persistent.
- Repository ndb = new FileRepository(db.getDirectory());
- assertEquals(rb2, ndb.resolve("refs/heads/new/name"));
- assertNull(ndb.resolve("refs/heads/b"));
- }
-
- public void tryRenameWhenLocked(String toLock, String fromName,
- String toName, String headPointsTo) throws IOException {
- // setup
- writeSymref(Constants.HEAD, headPointsTo);
- ObjectId oldfromId = db.resolve(fromName);
- ObjectId oldHeadId = db.resolve(Constants.HEAD);
- writeReflog(db, oldfromId, oldfromId, "Just a message",
- fromName);
- List<org.eclipse.jgit.storage.file.ReflogReader.Entry> oldFromLog = db
- .getReflogReader(fromName).getReverseEntries();
- List<org.eclipse.jgit.storage.file.ReflogReader.Entry> oldHeadLog = oldHeadId != null ? db
- .getReflogReader(Constants.HEAD).getReverseEntries() : null;
-
- assertTrue("internal check, we have a log", new File(db.getDirectory(),
- "logs/" + fromName).exists());
-
- // "someone" has branch X locked
- LockFile lockFile = new LockFile(new File(db.getDirectory(), toLock));
- try {
- assertTrue(lockFile.lock());
-
- // Now this is our test
- RefRename renameRef = db.renameRef(fromName, toName);
- Result result = renameRef.rename();
- assertEquals(Result.LOCK_FAILURE, result);
-
- // Check that the involved refs are the same despite the failure
- assertExists(false, toName);
- if (!toLock.equals(toName))
- assertExists(false, toName + ".lock");
- assertExists(true, toLock + ".lock");
- if (!toLock.equals(fromName))
- assertExists(false, "logs/" + fromName + ".lock");
- assertExists(false, "logs/" + toName + ".lock");
- assertEquals(oldHeadId, db.resolve(Constants.HEAD));
- assertEquals(oldfromId, db.resolve(fromName));
- assertNull(db.resolve(toName));
- assertEquals(oldFromLog.toString(), db.getReflogReader(fromName)
- .getReverseEntries().toString());
- if (oldHeadId != null)
- assertEquals(oldHeadLog.toString(), db.getReflogReader(
- Constants.HEAD).getReverseEntries().toString());
- } finally {
- lockFile.unlock();
- }
- }
-
- private void assertExists(boolean positive, String toName) {
- assertEquals(toName + (positive ? " " : " does not ") + "exist",
- positive, new File(db.getDirectory(), toName).exists());
- }
-
- public void testRenameBranchCannotLockAFileHEADisFromLockHEAD()
- throws IOException {
- tryRenameWhenLocked("HEAD", "refs/heads/b", "refs/heads/new/name",
- "refs/heads/b");
- }
-
- public void testRenameBranchCannotLockAFileHEADisFromLockFrom()
- throws IOException {
- tryRenameWhenLocked("refs/heads/b", "refs/heads/b",
- "refs/heads/new/name", "refs/heads/b");
- }
-
- public void testRenameBranchCannotLockAFileHEADisFromLockTo()
- throws IOException {
- tryRenameWhenLocked("refs/heads/new/name", "refs/heads/b",
- "refs/heads/new/name", "refs/heads/b");
- }
-
- public void testRenameBranchCannotLockAFileHEADisToLockFrom()
- throws IOException {
- tryRenameWhenLocked("refs/heads/b", "refs/heads/b",
- "refs/heads/new/name", "refs/heads/new/name");
- }
-
- public void testRenameBranchCannotLockAFileHEADisToLockTo()
- throws IOException {
- tryRenameWhenLocked("refs/heads/new/name", "refs/heads/b",
- "refs/heads/new/name", "refs/heads/new/name");
- }
-
- public void testRenameBranchCannotLockAFileHEADisOtherLockFrom()
- throws IOException {
- tryRenameWhenLocked("refs/heads/b", "refs/heads/b",
- "refs/heads/new/name", "refs/heads/a");
- }
-
- public void testRenameBranchCannotLockAFileHEADisOtherLockTo()
- throws IOException {
- tryRenameWhenLocked("refs/heads/new/name", "refs/heads/b",
- "refs/heads/new/name", "refs/heads/a");
- }
-
- public void testRenameRefNameColission1avoided() throws IOException {
- // setup
- ObjectId rb = db.resolve("refs/heads/b");
- writeSymref(Constants.HEAD, "refs/heads/a");
- RefUpdate updateRef = db.updateRef("refs/heads/a");
- updateRef.setNewObjectId(rb);
- updateRef.setRefLogMessage("Setup", false);
- assertEquals(Result.FAST_FORWARD, updateRef.update());
- ObjectId oldHead = db.resolve(Constants.HEAD);
- assertTrue(rb.equals(oldHead)); // assumption for this test
- writeReflog(db, rb, rb, "Just a message", "refs/heads/a");
- assertTrue("internal check, we have a log", new File(db.getDirectory(),
- "logs/refs/heads/a").exists());
-
- // Now this is our test
- RefRename renameRef = db.renameRef("refs/heads/a", "refs/heads/a/b");
- Result result = renameRef.rename();
- assertEquals(Result.RENAMED, result);
- assertNull(db.resolve("refs/heads/a"));
- assertEquals(rb, db.resolve("refs/heads/a/b"));
- assertEquals(3, db.getReflogReader("a/b").getReverseEntries().size());
- assertEquals("Branch: renamed a to a/b", db.getReflogReader("a/b")
- .getReverseEntries().get(0).getComment());
- assertEquals("Just a message", db.getReflogReader("a/b")
- .getReverseEntries().get(1).getComment());
- assertEquals("Setup", db.getReflogReader("a/b").getReverseEntries()
- .get(2).getComment());
- // same thing was logged to HEAD
- assertEquals("Branch: renamed a to a/b", db.getReflogReader("HEAD")
- .getReverseEntries().get(0).getComment());
- }
-
- public void testRenameRefNameColission2avoided() throws IOException {
- // setup
- ObjectId rb = db.resolve("refs/heads/b");
- writeSymref(Constants.HEAD, "refs/heads/prefix/a");
- RefUpdate updateRef = db.updateRef("refs/heads/prefix/a");
- updateRef.setNewObjectId(rb);
- updateRef.setRefLogMessage("Setup", false);
- updateRef.setForceUpdate(true);
- assertEquals(Result.FORCED, updateRef.update());
- ObjectId oldHead = db.resolve(Constants.HEAD);
- assertTrue(rb.equals(oldHead)); // assumption for this test
- writeReflog(db, rb, rb, "Just a message",
- "refs/heads/prefix/a");
- assertTrue("internal check, we have a log", new File(db.getDirectory(),
- "logs/refs/heads/prefix/a").exists());
-
- // Now this is our test
- RefRename renameRef = db.renameRef("refs/heads/prefix/a",
- "refs/heads/prefix");
- Result result = renameRef.rename();
- assertEquals(Result.RENAMED, result);
-
- assertNull(db.resolve("refs/heads/prefix/a"));
- assertEquals(rb, db.resolve("refs/heads/prefix"));
- assertEquals(3, db.getReflogReader("prefix").getReverseEntries().size());
- assertEquals("Branch: renamed prefix/a to prefix", db.getReflogReader(
- "prefix").getReverseEntries().get(0).getComment());
- assertEquals("Just a message", db.getReflogReader("prefix")
- .getReverseEntries().get(1).getComment());
- assertEquals("Setup", db.getReflogReader("prefix").getReverseEntries()
- .get(2).getComment());
- assertEquals("Branch: renamed prefix/a to prefix", db.getReflogReader(
- "HEAD").getReverseEntries().get(0).getComment());
- }
-
- private void writeReflog(Repository db, ObjectId oldId, ObjectId newId,
- String msg, String refName) throws IOException {
- RefDirectory refs = (RefDirectory) db.getRefDatabase();
- RefDirectoryUpdate update = refs.newUpdate(refName, true);
- update.setNewObjectId(newId);
- refs.log(update, msg, true);
- }
- }
|