public YDoc RestoreDocument(YDoc originDoc, YDocOptions opts = null)
{
if (originDoc.Gc)
{
// We should try to restore a GC-ed document, because some of the restored items might have their content deleted.
throw new Exception("originDoc must not be garbage collected");
}
using var encoder = new UpdateEncoderV2();
originDoc.Transact(tr =>
{
int size = StateVector.Count(kvp => kvp.Value /* clock */ > 0);
encoder.RestWriter.WriteVarUint((uint)size);
// Splitting the structs before writing them to the encoder.
foreach (var kvp in StateVector)
{
int client = kvp.Key;
int clock = kvp.Value;
if (clock == 0)
{
continue;
}
if (clock < originDoc.Store.GetState(client))
{
tr.Doc.Store.GetItemCleanStart(tr, new ID(client, clock));
}
var structs = originDoc.Store.Clients[client];
var lastStructIndex = StructStore.FindIndexSS(structs, clock - 1);
// Write # encoded structs.
encoder.RestWriter.WriteVarUint((uint)(lastStructIndex + 1));
encoder.WriteClient(client);
// First clock written is 0.
encoder.RestWriter.WriteVarUint(0);
for (int i = 0; i <= lastStructIndex; i++)
{
structs[i].Write(encoder, 0);
}
}
DeleteSet.Write(encoder);
});
var newDoc = new YDoc(opts ?? originDoc.CloneOptionsWithNewGuid());
newDoc.ApplyUpdateV2(encoder.ToArray(), transactionOrigin: "snapshot");
return(newDoc);
}
public void TestGetTypeEmptyId()
{
var doc1 = new YDoc();
doc1.GetText(string.Empty).Insert(0, "h");
doc1.GetText().Insert(1, "i");
var doc2 = new YDoc();
doc2.ApplyUpdateV2(doc1.EncodeStateAsUpdateV2());
Assert.AreEqual("hi", doc2.GetText().ToString());
Assert.AreEqual("hi", doc2.GetText(string.Empty).ToString());
}
public void TestClientIdDuplicateChange()
{
var doc1 = new YDoc();
doc1.ClientId = 0;
var doc2 = new YDoc();
doc2.ClientId = 0;
Assert.AreEqual(doc1.ClientId, doc2.ClientId);
doc1.GetArray("a").Insert(0, new object[] { 1, 2 });
doc2.ApplyUpdateV2(doc1.EncodeStateAsUpdateV2());
Assert.AreNotEqual(doc1.ClientId, doc2.ClientId);
}
public void TestBasicUpdate()
{
var doc1 = new YDoc();
var doc2 = new YDoc();
var content = new List <object> {
"hi"
};
doc1.GetArray("array").Insert(0, content);
var update = doc1.EncodeStateAsUpdateV2();
doc2.ApplyUpdateV2(update);
CollectionAssert.AreEqual(content, (ICollection)doc2.GetArray("array").ToArray());
}
public static void ReadSyncStep2(Stream stream, YDoc doc, object transactionOrigin)
{
var update = stream.ReadVarUint8Array();
doc.ApplyUpdateV2(update, transactionOrigin);
}
public void TestSubdoc()
{
var doc = new YDoc();
doc.Load();
{
List <List <string> > events = null;
doc.SubdocsChanged += (s, e) =>
{
events = new List <List <string> >();
events.Add(new List <string>(e.Added.Select(d => d.Guid)));
events.Add(new List <string>(e.Removed.Select(d => d.Guid)));
events.Add(new List <string>(e.Loaded.Select(d => d.Guid)));
};
var subdocs = doc.GetMap("mysubdocs");
var docA = new YDoc(new YDocOptions {
Guid = "a"
});
docA.Load();
subdocs.Set("a", docA);
CollectionAssert.AreEqual(new[] { "a" }, events[0]);
CollectionAssert.AreEqual(new object[] { }, events[1]);
CollectionAssert.AreEqual(new[] { "a" }, events[2]);
events = null;
(subdocs.Get("a") as YDoc).Load();
Assert.IsNull(events);
events = null;
(subdocs.Get("a") as YDoc).Destroy();
CollectionAssert.AreEqual(new[] { "a" }, events[0]);
CollectionAssert.AreEqual(new[] { "a" }, events[1]);
CollectionAssert.AreEqual(new object[] { }, events[2]);
events = null;
(subdocs.Get("a") as YDoc).Load();
CollectionAssert.AreEqual(new object[] { }, events[0]);
CollectionAssert.AreEqual(new object[] { }, events[1]);
CollectionAssert.AreEqual(new[] { "a" }, events[2]);
events = null;
subdocs.Set("b", new YDoc(new YDocOptions {
Guid = "a"
}));
CollectionAssert.AreEqual(new[] { "a" }, events[0]);
CollectionAssert.AreEqual(new object[] { }, events[1]);
CollectionAssert.AreEqual(new object[] { }, events[2]);
events = null;
(subdocs.Get("b") as YDoc).Load();
CollectionAssert.AreEqual(new object[] { }, events[0]);
CollectionAssert.AreEqual(new object[] { }, events[1]);
CollectionAssert.AreEqual(new[] { "a" }, events[2]);
events = null;
var docC = new YDoc(new YDocOptions {
Guid = "c"
});
docC.Load();
subdocs.Set("c", docC);
CollectionAssert.AreEqual(new[] { "c" }, events[0]);
CollectionAssert.AreEqual(new object[] { }, events[1]);
CollectionAssert.AreEqual(new[] { "c" }, events[2]);
events = null;
var guids = doc.GetSubdocGuids().ToList();
guids.Sort();
CollectionAssert.AreEqual(new[] { "a", "c" }, guids);
}
var doc2 = new YDoc();
{
Assert.AreEqual(0, doc2.GetSubdocGuids().Count());
List <List <string> > events = null;
doc2.SubdocsChanged += (s, e) =>
{
events = new List <List <string> >();
events.Add(new List <string>(e.Added.Select(d => d.Guid)));
events.Add(new List <string>(e.Removed.Select(d => d.Guid)));
events.Add(new List <string>(e.Loaded.Select(d => d.Guid)));
};
doc2.ApplyUpdateV2(doc.EncodeStateAsUpdateV2());
CollectionAssert.AreEqual(new[] { "a", "a", "c" }, events[0]);
CollectionAssert.AreEqual(new object[] { }, events[1]);
CollectionAssert.AreEqual(new object[] { }, events[2]);
events = null;
(doc2.GetMap("mysubdocs").Get("a") as YDoc).Load();
CollectionAssert.AreEqual(new object[] { }, events[0]);
CollectionAssert.AreEqual(new object[] { }, events[1]);
CollectionAssert.AreEqual(new[] { "a" }, events[2]);
events = null;
var guids = doc2.GetSubdocGuids().ToList();
guids.Sort();
CollectionAssert.AreEqual(new[] { "a", "c" }, guids);
doc2.GetMap("mysubdocs").Delete("a");
CollectionAssert.AreEqual(new object[] { }, events[0]);
CollectionAssert.AreEqual(new[] { "a" }, events[1]);
CollectionAssert.AreEqual(new object[] { }, events[2]);
events = null;
guids = doc2.GetSubdocGuids().ToList();
guids.Sort();
CollectionAssert.AreEqual(new[] { "a", "c" }, guids);
}
}
