public void testRenameRefNameColission1avoided()
{
// setup
ObjectId rb = db.Resolve("refs/heads/b");
db.WriteSymref(Constants.HEAD, "refs/heads/a");
RefUpdate updateRef = db.UpdateRef("refs/heads/a");
updateRef.NewObjectId = rb;
updateRef.SetRefLogMessage("Setup", false);
Assert.AreEqual(RefUpdate.RefUpdateResult.FastForward, updateRef.Update());
ObjectId oldHead = db.Resolve(Constants.HEAD);
Assert.IsTrue(rb.Equals(oldHead)); // assumption for this test
RefLogWriter.WriteReflog(db, rb, rb, "Just a message", "refs/heads/a");
Assert.IsTrue(new FileInfo(Path.Combine(db.Directory.FullName, "logs/refs/heads/a")).Exists, "internal check, we have a log");
// Now this is our test
RefRename renameRef = db.RenameRef("refs/heads/a", "refs/heads/a/b");
RefUpdate.RefUpdateResult result = renameRef.Rename();
Assert.AreEqual(RefUpdate.RefUpdateResult.Renamed, result);
Assert.IsNull(db.Resolve("refs/heads/a"));
Assert.AreEqual(rb, db.Resolve("refs/heads/a/b"));
Assert.AreEqual(3, db.ReflogReader("a/b").getReverseEntries().Count);
Assert.AreEqual("Branch: renamed a to a/b", db.ReflogReader("a/b")
.getReverseEntries()[0].getComment());
Assert.AreEqual("Just a message", db.ReflogReader("a/b")
.getReverseEntries()[1].getComment());
Assert.AreEqual("Setup", db.ReflogReader("a/b").getReverseEntries()
[2].getComment());
// same thing was logged to HEAD
Assert.AreEqual("Branch: renamed a to a/b", db.ReflogReader("HEAD")
.getReverseEntries()[0].getComment());
}
public void testRenameCurrentBranch()
{
ObjectId rb = db.Resolve("refs/heads/b");
db.WriteSymref(Constants.HEAD, "refs/heads/b");
ObjectId oldHead = db.Resolve(Constants.HEAD);
Assert.IsTrue(rb.Equals(oldHead), "internal test condition, b == HEAD");
RefLogWriter.WriteReflog(db, rb, rb, "Just a message", "refs/heads/b");
Assert.IsTrue(new FileInfo(Path.Combine(db.Directory.FullName, "logs/refs/heads/b")).Exists, "no log on old branch");
RefRename renameRef = db.RenameRef("refs/heads/b",
"refs/heads/new/name");
RefUpdate.RefUpdateResult result = renameRef.Rename();
Assert.AreEqual(RefUpdate.RefUpdateResult.Renamed, result);
Assert.AreEqual(rb, db.Resolve("refs/heads/new/name"));
Assert.IsNull(db.Resolve("refs/heads/b"));
Assert.AreEqual("Branch: renamed b to new/name", db.ReflogReader(
"new/name").getLastEntry().getComment());
Assert.IsFalse(new FileInfo(Path.Combine(db.Directory.FullName, "logs/refs/heads/b")).Exists);
Assert.AreEqual(rb, db.Resolve(Constants.HEAD));
Assert.AreEqual(2, db.ReflogReader("new/name").getReverseEntries().Count);
Assert.AreEqual("Branch: renamed b to new/name", db.ReflogReader("new/name").getReverseEntries()[0].getComment());
Assert.AreEqual("Just a message", db.ReflogReader("new/name").getReverseEntries()[1].getComment());
}
public void tryRenameWhenLocked(string toLock, string fromName,
string toName, string headPointsTo)
{
// setup
db.WriteSymref(Constants.HEAD, headPointsTo);
ObjectId oldfromId = db.Resolve(fromName);
ObjectId oldHeadId = db.Resolve(Constants.HEAD);
RefLogWriter.WriteReflog(db, oldfromId, oldfromId, "Just a message",
fromName);
IList <ReflogReader.Entry> oldFromLog = db
.ReflogReader(fromName).getReverseEntries();
IList <ReflogReader.Entry> oldHeadLog = oldHeadId != null?db
.ReflogReader(Constants.HEAD).getReverseEntries() : null;
Assert.IsTrue(new FileInfo(Path.Combine(db.Directory.FullName, "logs/" + fromName)).Exists, "internal check, we have a log");
// "someone" has branch X locked
var lockFile = new LockFile(new FileInfo(Path.Combine(db.Directory.FullName, toLock)));
try
{
Assert.IsTrue(lockFile.Lock());
// Now this is our test
RefRename renameRef = db.RenameRef(fromName, toName);
RefUpdate.RefUpdateResult result = renameRef.Rename();
Assert.AreEqual(RefUpdate.RefUpdateResult.LockFailure, 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");
Assert.AreEqual(oldHeadId, db.Resolve(Constants.HEAD));
Assert.AreEqual(oldfromId, db.Resolve(fromName));
Assert.IsNull(db.Resolve(toName));
Assert.AreEqual(oldFromLog.ToString(), db.ReflogReader(fromName)
.getReverseEntries().ToString());
if (oldHeadId != null)
{
Assert.AreEqual(oldHeadLog, db.ReflogReader(Constants.HEAD)
.getReverseEntries());
}
}
finally
{
lockFile.Unlock();
}
}
public void testRenameBranchAlsoInPack()
{
ObjectId rb = db.Resolve("refs/heads/b");
ObjectId rb2 = db.Resolve("refs/heads/b~1");
Assert.AreEqual(Core.Ref.Storage.Packed, db.getRef("refs/heads/b").StorageFormat);
RefUpdate updateRef = db.UpdateRef("refs/heads/b");
updateRef.NewObjectId = rb2;
updateRef.IsForceUpdate = true;
RefUpdate.RefUpdateResult update = updateRef.Update();
Assert.AreEqual(RefUpdate.RefUpdateResult.Forced, update, "internal check new ref is loose");
Assert.AreEqual(Core.Ref.Storage.LoosePacked, db.getRef("refs/heads/b")
.StorageFormat);
RefLogWriter.WriteReflog(db, rb, rb, "Just a message", "refs/heads/b");
Assert.IsTrue(new FileInfo(Path.Combine(db.Directory.FullName, "logs/refs/heads/b")).Exists, "no log on old branch");
RefRename renameRef = db.RenameRef("refs/heads/b",
"refs/heads/new/name");
RefUpdate.RefUpdateResult result = renameRef.Rename();
Assert.AreEqual(RefUpdate.RefUpdateResult.Renamed, result);
Assert.AreEqual(rb2, db.Resolve("refs/heads/new/name"));
Assert.IsNull(db.Resolve("refs/heads/b"));
Assert.AreEqual("Branch: renamed b to new/name", db.ReflogReader(
"new/name").getLastEntry().getComment());
Assert.AreEqual(3, db.ReflogReader("refs/heads/new/name").getReverseEntries().Count);
Assert.AreEqual("Branch: renamed b to new/name", db.ReflogReader("refs/heads/new/name").getReverseEntries()[0].getComment());
Assert.AreEqual(0, db.ReflogReader("HEAD").getReverseEntries().Count);
// make sure b's log file is gone too.
Assert.IsFalse(new FileInfo(Path.Combine(db.Directory.FullName, "logs/refs/heads/b")).Exists);
// Create new Repository instance, to reread caches and make sure our
// assumptions are persistent.
using (Core.Repository ndb = new Core.Repository(db.Directory))
{
Assert.AreEqual(rb2, ndb.Resolve("refs/heads/new/name"));
Assert.IsNull(ndb.Resolve("refs/heads/b"));
}
}
