public void Create_Database_With_Initial_Size_Encrypted()
{
var initial = 40 * 1024; // initial size: 40kb
var minimal = 4096 * 5; // 1 header + 1 lock + 1 collection + 1 data + 1 index = 5 pages minimal
using (var file = new TempFile(checkIntegrity: false))
using (var db = new UltraLiteDatabase(file.Conn("initial size=40kb; password=123")))
{
// just ensure open datafile
var uv = db.Engine.UserVersion;
// test if file has 40kb
Assert.AreEqual(initial, file.Size);
// simple insert to test if datafile still with 40kb
BsonDocument doc = new BsonDocument();
doc["a"] = 1;
db.Engine.Insert("col1", doc);
Assert.AreEqual(initial, file.Size);
// ok, now shrink and test if file are minimal size
db.Shrink();
Assert.AreEqual(minimal, file.Size);
}
}
public async Task PerformanceTest1()
{
AssertV2.throwExeptionIfAssertionFails = true;
var dataTree = NewTreeLayer("1", 1000, () => NewTreeLayer("2", 2, () => NewTreeLayer("3", 4, () => NewTreeLayer("4", 1))));
var testFolder = EnvironmentV2.instance.GetOrAddTempFolder("tests.io.db").CreateV2();
Log.d("Path=" + testFolder);
var dbFile = testFolder.GetChild("PerformanceTestDB_" + Guid.NewGuid().ToString());
// Open database (or create if doesn't exist)
using (var db = new UltraLiteDatabase(dbFile.OpenOrCreateForReadWrite(), disposeStream: true)) {
await InsertIntoDb(dataTree, db);
await ReadFromDb(dataTree, db);
}
await WriteFiles(dataTree, testFolder);
await ReadFiles(dataTree, testFolder);
// cleanup after the test
await ParallelExec(dataTree, (elem) => { GetFileForElem(testFolder, elem).DeleteV2(); });
Assert.True(dbFile.DeleteV2());
Assert.False(dbFile.Exists);
}
public void ULongList_Mapper()
{
using (var file = new TempFile())
using (var db = new UltraLiteDatabase(file.Filename))
{
var col = db.GetCollection <Gang>();
col.Insert(new Gang
{
GuildId = 1,
LeaderId = 2,
Members = new List <ulong> {
5, 6, 7
}
});
ulong userId = 5;
ulong guildId = 1;
Query q = Query.And(Query.EQ("GuildId", guildId), Query.EQ("LeaderId", userId));
var e = col.Exists(q);
//Assert.IsTrue(e);
}
}
public void FindAll()
{
using (var f = new TempFile())
{
using (var db = new UltraLiteDatabase(f.Filename))
{
var col = db.GetCollection <Person>("Person");
col.Insert(new Person {
Fullname = "John"
});
col.Insert(new Person {
Fullname = "Doe"
});
col.Insert(new Person {
Fullname = "Joana"
});
col.Insert(new Person {
Fullname = "Marcus"
});
}
// close datafile
using (var db = new UltraLiteDatabase(f.Filename))
{
var p = db.GetCollection <Person>("Person").Find(Query.All("Fullname", Query.Ascending));
Assert.AreEqual(4, p.Count());
}
}
}
public void Query_Min_Max()
{
using (var f = new TempFile())
using (var db = new UltraLiteDatabase(f.Filename))
{
var c = db.GetCollection <EntityMinMax>("col");
c.Insert(new EntityMinMax {
});
c.Insert(new EntityMinMax
{
ByteValue = 200,
IntValue = 443500,
LongValue = 443500,
UintValue = 443500
});
c.EnsureIndex("ByteValue");
c.EnsureIndex("IntValue");
c.EnsureIndex("LongValue");
c.EnsureIndex("UintValue");
Assert.AreEqual(200, c.Max("ByteValue").AsInt32);
Assert.AreEqual(443500, c.Max("IntValue").AsInt32);
Assert.AreEqual(443500, c.Max("LongValue").AsInt64);
Assert.AreEqual(443500, c.Max("UintValue").AsInt32);
}
}
public void Delete_By_Name()
{
using (var f = new TempFile())
using (var db = new UltraLiteDatabase(f.Filename))
{
var col = db.GetCollection <Person>("Person");
col.Insert(new Person {
Fullname = "John"
});
col.Insert(new Person {
Fullname = "Doe"
});
col.Insert(new Person {
Fullname = "Joana"
});
col.Insert(new Person {
Fullname = "Marcus"
});
// lets auto-create index in FullName and delete from a non-pk node
var del = col.Delete(Query.StartsWith("Fullname", "J"));
Assert.AreEqual(2, del);
}
}
public void Simple_Polymorphics()
{
using (var file = new TempFile())
{
using (var db = new UltraLiteDatabase(file.Filename))
{
var col = db.GetCollection <MyBase>("col1");
col.Insert(new Descendant1()
{
Id = 1
});
col.Insert(new Descendant2()
{
Id = 2
});
}
using (var db = new UltraLiteDatabase(file.Filename))
{
var col = db.GetCollection <MyBase>("col1");
var d1 = col.FindById(1);
var d2 = col.FindById(2);
Assert.AreEqual(typeof(Descendant1), d1.GetType());
Assert.AreEqual(typeof(Descendant2), d2.GetType());
}
}
}
private void Init(Stream stream, string collectionName = "Default")
{
dbStream = stream;
bsonMapper = new BsonMapper();
bsonMapper.IncludeFields = true;
db = new UltraLiteDatabase(dbStream, bsonMapper);
collection = db.GetCollection(collectionName);
}
private void Init(FileEntry dbFile, string collectionName = "Default")
{
bsonMapper = new BsonMapper();
bsonMapper.IncludeFields = true;
dbStream = dbFile.OpenOrCreateForReadWrite();
db = new UltraLiteDatabase(dbStream, bsonMapper);
collection = db.GetCollection(collectionName);
}
public StorageManager()
{
var filepath = Application.isEditor ? Application.streamingAssetsPath : Application.persistentDataPath;
if (!Directory.Exists(filepath))
{
Directory.CreateDirectory(filepath);
}
_database = new UltraLiteDatabase(new ConnectionString($"Filename={filepath}/{DatabaseName};Password=efcf8794-8c30-4d1b-940a-df1475c7b26d"));
}
public void ConnectionString_Sets_Log_Level()
{
var connectionString = "filename=foo;";
var db = new UltraLiteDatabase(connectionString);
Assert.AreEqual(0, db.Log.Level);
connectionString = "filename=foo;log=" + Logger.FULL;
db = new UltraLiteDatabase(connectionString);
Assert.AreEqual(Logger.FULL, db.Log.Level);
}
public void DateTimeMinMax_Test()
{
var memory = new MemoryStream();
using (var db = new UltraLiteDatabase(memory))
{
var col = db.GetCollection <DateTimeTest>();
col.EnsureIndex("Date");
col.Insert(new DateTimeTest()
{
Id = 1, Date = new DateTime(2018, 02, 22, 0, 0, 0)
});
col.Insert(new DateTimeTest()
{
Id = 2, Date = new DateTime(2018, 02, 22, 23, 59, 59)
});
MinMaxCommon(col);
}
using (var db = new UltraLiteDatabase(memory))
{
var col = db.GetCollection <DateTimeTest>();
MinMaxCommon(col);
col.Insert(new DateTimeTest()
{
Id = 3, Date = new DateTime(2018, 02, 21, 23, 59, 59)
});
col.Insert(new DateTimeTest()
{
Id = 4, Date = new DateTime(2018, 02, 23, 0, 0, 0)
});
col.Insert(new DateTimeTest()
{
Id = 5, Date = new DateTime(2018, 02, 22, 0, 0, 1)
});
col.Insert(new DateTimeTest()
{
Id = 6, Date = new DateTime(2018, 02, 22, 23, 59, 58)
});
MinMaxCommon(col);
}
using (var db = new UltraLiteDatabase(memory))
{
var col = db.GetCollection <DateTimeTest>();
MinMaxCommon(col);
}
}
private static async Task ReadFromDb(List <TreeElem> dataTree, UltraLiteDatabase db)
{
var readTimer = Log.MethodEntered("LiteDbPerformanceTest1.ReadFromDb");
var elements = db.GetCollection <TreeElem>("elements");
await ParallelExec(dataTree, (elem) => {
var found = elements.FindById(elem.id);
Assert.Equal(elem.name, found.name);
});
Log.MethodDone(readTimer, 800);
}
private static async Task InsertIntoDb(List <TreeElem> dataTree, UltraLiteDatabase db)
{
var insertTimer = Log.MethodEntered("LiteDbPerformanceTest1.InsertIntoDb");
var elements = db.GetCollection <TreeElem>("elements");
object threadLock = new object();
await ParallelExec(dataTree, (elem) => {
lock (threadLock) {
elements.Insert(elem);
}
});
Log.MethodDone(insertTimer, 4000);
Assert.Equal(dataTree.Count, elements.FindAll().Count());
}
public void Init()
{
// Open database (or create if doesn't exist)
var db = new UltraLiteDatabase("MyData.db");
return;
// Get a collection
var col = db.GetCollection(this.GetType().Name);
// Create a new character document
var character = new BsonDocument();
character["Name"] = "John Doe";
character["Level"] = 1;
character["IsActive"] = true;
// Insert new customer document (Id will be auto generated)
BsonValue id = col.Insert(character);
// new Id has also been added to the document at character["_id"]
// Update a document inside a collection
character["Name"] = "Joana Doe";
col.Update(character);
// Insert a document with a manually chosen Id
var character2 = new BsonDocument();
character2["_id"] = 10;
character2["Name"] = "Test Bob";
character2["Level"] = 10;
character2["IsActive"] = true;
col.Insert(character2);
// Load all documents
List <BsonDocument> allCharacters = new List <BsonDocument>(col.FindAll());
// Delete something
col.Delete(10);
// Upsert (Update if present or insert if not)
col.Upsert(character);
// Don't forget to cleanup!
db.Dispose();
}
public LiteDBStorageItem(UltraLiteDatabase db, string key)
{
Key = key;
_database = db;
_collection = _database.GetCollection <Definition>(TableName);
_filter = Query.EQ("Key", new BsonValue(key));
var doc = _collection.FindOne(_filter);
if (doc == null)
{
_collection.Insert(new Definition {
Key = key
});
}
else if (!string.IsNullOrWhiteSpace(doc.Json))
{
data = JsonConvert.DeserializeObject <T>(doc.Json);
}
}
void ExampleUsage1()
{
string testId = Guid.NewGuid().ToString();
var dbFile = EnvironmentV2.instance.GetOrAddTempFolder("tests.io.db").GetChild("TestDB_" + testId);
// Open database (or create if doesn't exist)
using (var db = new UltraLiteDatabase(dbFile.OpenOrCreateForReadWrite(), disposeStream: true)) {
var users = db.GetCollection <User>("users");
var user1 = new User {
id = testId,
name = "John Doe",
age = 39
};
// Create unique index in Name field
// https://github.com/mbdavid/LiteDB/wiki/Indexes#ensureindex
users.EnsureIndex("name", true);
users.Insert(user1);
user1.name = "Joana Doe";
users.Update(user1);
Assert.Equal("Joana Doe", users.FindById(testId).name);
user1.name = "Joana Doe 2";
users.Upsert(user1); // insert or update if already found
Assert.Equal("Joana Doe 2", users.FindById(testId).name);
// Use LINQ to query documents (with no index)
var queryResults = users.Find(Query.GT("age", 20));
Assert.Single(queryResults);
Assert.Equal("Joana Doe 2", queryResults.First().name);
}
Assert.True(dbFile.IsNotNullAndExists());
dbFile.DeleteV2(); // cleanup after the test
}
// [TestMethod]
public void UpgradeScript_Test()
{
// export data TO JSON
using (var db = new UltraLiteDatabase(new MemoryStream()))
{
var data = new BsonDocument();
foreach (var name in db.GetCollectionNames())
{
data[name] = new BsonArray(db.GetCollection(name).FindAll());
}
File.WriteAllText(@"C:\Temp\dump-data.json", JsonSerializer.Serialize(data));
}
// import data FROM JSON
using (var db = new UltraLiteDatabase(new MemoryStream()))
{
var data = JsonSerializer.Deserialize(File.ReadAllText(@"C:\Temp\dump-data.json")).AsDocument;
foreach (var name in data.Keys)
{
db.GetCollection(name).Insert(data[name].AsArray.Select(x => x.AsDocument));
}
}
}
public void Derived_Type()
{
using (var db = new UltraLiteDatabase(new MemoryStream()))
{
var derived1 = new Derived1 {
Id = 1, Member1 = "Derived1"
};
var derived2 = new Derived2 {
Id = 2, Member2 = "Dereived2"
};
var colTyped = db.GetCollection <Base>("Collection");
colTyped.Insert(derived1);
colTyped.Insert(derived2);
var colBson = db.GetCollection <BsonDocument>("Collection");
var docs = colBson.FindAll().ToList();
Assert.IsTrue(docs.Count > 0);
// checks if BsonDocument contains _type
var doc1 = colBson.FindById(1);
var doc2 = colBson.FindById(2);
Assert.IsTrue(doc1["_type"].AsString.Contains("Derived1"));
Assert.IsTrue(doc2["_type"].AsString.Contains("Derived2"));
// now, test if all document will deserialize with right type
var d1 = colTyped.FindById(1);
var d2 = colTyped.FindById(2);
Assert.IsTrue(d1 is Derived1);
Assert.IsTrue(d2 is Derived2);
}
}
void ExampleUsage1()
{
var dbFile = EnvironmentV2.instance.GetOrAddTempFolder("tests.io.db").GetChild("TestDB_" + NewId());
// Open database (or create if doesn't exist)
using (var db = new UltraLiteDatabase(dbFile.OpenOrCreateForReadWrite(), disposeStream: true)) {
var elems = db.GetCollection <ClassA>("users");
{
var ele = new ClassA {
id = NewId(), a = "abc"
};
elems.Insert(ele);
Assert.Equal("abc", elems.FindById(ele.id).a);
}
{
var ele = new ClassA1 {
id = NewId(), a = "abc", name = "A1"
};
elems.Insert(ele);
var r = elems.FindById(ele.id) as ClassA1;
Assert.Equal("abc", r.a);
Assert.Equal("A1", r.name);
}
{
var ele = new ClassA2 {
id = NewId(), a = "abc", age = 99
};
elems.Insert(ele);
var r = elems.FindById(ele.id) as ClassA2;
Assert.Equal("abc", r.a);
Assert.Equal(99, r.age);
}
}
Assert.True(dbFile.IsNotNullAndExists());
dbFile.DeleteV2(); // cleanup after the test
}
public void AutoId_Strong_Typed()
{
var mapper = new BsonMapper();
using (var db = new UltraLiteDatabase(new MemoryStream(), mapper))
{
var cs_int = db.GetCollection <EntityInt>("int");
var cs_long = db.GetCollection <EntityLong>("long");
var cs_guid = db.GetCollection <EntityGuid>("guid");
var cs_oid = db.GetCollection <EntityOid>("oid");
var cs_str = db.GetCollection <EntityString>("str");
// int32
var cint_1 = new EntityInt()
{
Name = "R1"
};
var cint_2 = new EntityInt()
{
Name = "R2"
};
var cint_3 = new EntityInt()
{
Name = "R3"
};
var cint_4 = new EntityInt()
{
Name = "R4"
};
// long
var clong_1 = new EntityLong()
{
Name = "R1"
};
var clong_2 = new EntityLong()
{
Name = "R2"
};
var clong_3 = new EntityLong()
{
Name = "R3"
};
var clong_4 = new EntityLong()
{
Name = "R4"
};
// guid
var cguid_1 = new EntityGuid()
{
Name = "R1"
};
var cguid_2 = new EntityGuid()
{
Name = "R2"
};
var cguid_3 = new EntityGuid()
{
Name = "R3"
};
var cguid_4 = new EntityGuid()
{
Name = "R4"
};
// oid
var coid_1 = new EntityOid()
{
Name = "R1"
};
var coid_2 = new EntityOid()
{
Name = "R2"
};
var coid_3 = new EntityOid()
{
Name = "R3"
};
var coid_4 = new EntityOid()
{
Name = "R4"
};
// string - there is no AutoId for string
var cstr_1 = new EntityString()
{
Id = "a", Name = "R1"
};
var cstr_2 = new EntityString()
{
Id = "b", Name = "R2"
};
var cstr_3 = new EntityString()
{
Id = "c", Name = "R3"
};
var cstr_4 = new EntityString()
{
Id = "d", Name = "R4"
};
// insert first 3 documents
cs_int.Insert(new[] { cint_1, cint_2, cint_3 });
cs_long.Insert(new[] { clong_1, clong_2, clong_3 });
cs_guid.Insert(new[] { cguid_1, cguid_2, cguid_3 });
cs_oid.Insert(new[] { coid_1, coid_2, coid_3 });
cs_str.Insert(new[] { cstr_1, cstr_2, cstr_3 });
// change document 2
cint_2.Name = "Changed 2";
clong_2.Name = "Changed 2";
cguid_2.Name = "Changed 2";
coid_2.Name = "Changed 2";
cstr_2.Name = "Changed 2";
// update document 2
var nu_int = cs_int.Update(cint_2);
var nu_long = cs_long.Update(clong_2);
var nu_guid = cs_guid.Update(cguid_2);
var nu_oid = cs_oid.Update(coid_2);
var nu_str = cs_str.Update(cstr_2);
Assert.IsTrue(nu_int);
Assert.IsTrue(nu_long);
Assert.IsTrue(nu_guid);
Assert.IsTrue(nu_oid);
Assert.IsTrue(nu_str);
// change document 3
cint_3.Name = "Changed 3";
clong_3.Name = "Changed 3";
cguid_3.Name = "Changed 3";
coid_3.Name = "Changed 3";
cstr_3.Name = "Changed 3";
// upsert (update) document 3
var fu_int = cs_int.Upsert(cint_3);
var fu_long = cs_long.Upsert(clong_3);
var fu_guid = cs_guid.Upsert(cguid_3);
var fu_oid = cs_oid.Upsert(coid_3);
var fu_str = cs_str.Upsert(cstr_3);
Assert.IsFalse(fu_int);
Assert.IsFalse(fu_long);
Assert.IsFalse(fu_guid);
Assert.IsFalse(fu_oid);
Assert.IsFalse(fu_str);
// test if was changed
Assert.AreEqual(cint_3.Name, cs_int.FindOne(Query.EQ("_id", cint_3.Id)).Name);
Assert.AreEqual(clong_3.Name, cs_long.FindOne(Query.EQ("_id", clong_3.Id)).Name);
Assert.AreEqual(cguid_3.Name, cs_guid.FindOne(Query.EQ("_id", cguid_3.Id)).Name);
Assert.AreEqual(coid_3.Name, cs_oid.FindOne(Query.EQ("_id", coid_3.Id)).Name);
Assert.AreEqual(cstr_3.Name, cs_str.FindOne(Query.EQ("_id", cstr_3.Id)).Name);
// upsert (insert) document 4
var tu_int = cs_int.Upsert(cint_4);
var tu_long = cs_long.Upsert(clong_4);
var tu_guid = cs_guid.Upsert(cguid_4);
var tu_oid = cs_oid.Upsert(coid_4);
var tu_str = cs_str.Upsert(cstr_4);
Assert.IsTrue(tu_int);
Assert.IsTrue(tu_long);
Assert.IsTrue(tu_guid);
Assert.IsTrue(tu_oid);
Assert.IsTrue(tu_str);
// test if was included
Assert.AreEqual(cint_4.Name, cs_int.FindOne(Query.EQ("_id", cint_4.Id)).Name);
Assert.AreEqual(clong_4.Name, cs_long.FindOne(Query.EQ("_id", clong_4.Id)).Name);
Assert.AreEqual(cguid_4.Name, cs_guid.FindOne(Query.EQ("_id", cguid_4.Id)).Name);
Assert.AreEqual(coid_4.Name, cs_oid.FindOne(Query.EQ("_id", coid_4.Id)).Name);
Assert.AreEqual(cstr_4.Name, cs_str.FindOne(Query.EQ("_id", cstr_4.Id)).Name);
// count must be 4
Assert.AreEqual(4, cs_int.Count(Query.All()));
Assert.AreEqual(4, cs_long.Count(Query.All()));
Assert.AreEqual(4, cs_guid.Count(Query.All()));
Assert.AreEqual(4, cs_oid.Count(Query.All()));
Assert.AreEqual(4, cs_str.Count(Query.All()));
// for Int32 (or Int64) - add "bouble" on sequence
var cint_10 = new EntityInt {
Id = 10, Name = "R10"
};
var cint_11 = new EntityInt {
Name = "R11"
};
var cint_7 = new EntityInt {
Id = 7, Name = "R7"
};
var cint_12 = new EntityInt {
Name = "R12"
};
cs_int.Insert(cint_10); // "loose" sequente between 5-9
cs_int.Insert(cint_11); // insert as 11
cs_int.Insert(cint_7); // insert as 7
cs_int.Insert(cint_12); // insert as 12
Assert.AreEqual(10, cint_10.Id);
Assert.AreEqual(11, cint_11.Id);
Assert.AreEqual(7, cint_7.Id);
Assert.AreEqual(12, cint_12.Id);
}
}
public void AutoId_No_Duplicate_After_Delete()
{
// using strong type
using (var db = new UltraLiteDatabase(new MemoryStream()))
{
var col = db.GetCollection <EntityInt>("col1");
var one = new EntityInt {
Name = "One"
};
var two = new EntityInt {
Name = "Two"
};
var three = new EntityInt {
Name = "Three"
};
var four = new EntityInt {
Name = "Four"
};
// insert
col.Insert(one);
col.Insert(two);
Assert.AreEqual(1, one.Id);
Assert.AreEqual(2, two.Id);
// now delete first 2 rows
col.Delete(one.Id);
col.Delete(two.Id);
// and insert new documents
col.Insert(new EntityInt[] { three, four });
Assert.AreEqual(3, three.Id);
Assert.AreEqual(4, four.Id);
}
// using bsondocument/engine
using (var db = new UltraLiteEngine(new MemoryStream()))
{
var one = new BsonDocument {
["Name"] = "One"
};
var two = new BsonDocument {
["Name"] = "Two"
};
var three = new BsonDocument {
["Name"] = "Three"
};
var four = new BsonDocument {
["Name"] = "Four"
};
db.Insert("col", one, BsonAutoId.Int32);
db.Insert("col", two, BsonAutoId.Int32);
Assert.AreEqual(1, one["_id"].AsInt32);
Assert.AreEqual(2, two["_id"].AsInt32);
// now delete first 2 rows
db.Delete("col", one["_id"].AsInt32);
db.Delete("col", two["_id"].AsInt32);
// and insert new documents
db.Insert("col", new BsonDocument[] { three, four }, BsonAutoId.Int32);
Assert.AreEqual(3, three["_id"].AsInt32);
Assert.AreEqual(4, four["_id"].AsInt32);
}
}
public void Shrink_Large_Files()
{
// do some tests
Action <UltraLiteEngine> DoTest = (db) =>
{
Assert.AreEqual(1, db.Count("col", null));
Assert.AreEqual(99, db.UserVersion);
Assert.IsNotNull(db.GetIndexes("col").FirstOrDefault(x => x.Field == "name"));
Assert.IsTrue(db.GetIndexes("col").FirstOrDefault(x => x.Field == "name").Unique);
};
using (var file = new TempFile())
{
using (var dbe = new UltraLiteDatabase(file.Filename))
{
var db = dbe.Engine;
db.UserVersion = 99;
db.EnsureIndex("col", "name", true);
db.Insert("col", GetDocs(1, 40000));
db.Delete("col", Query.GT("_id", 1)); // delete 29.999 docs
Assert.AreEqual(1, db.Count("col", null));
// file still large than 20mb (even with only 1 document)
Assert.IsTrue(file.Size > 20 * 1024 * 1024);
// reduce datafile (use temp disk) (from UltraLiteDatabase)
dbe.Shrink();
// now file are small than 50kb
Assert.IsTrue(file.Size < 50 * 1024);
DoTest(db);
}
// re-open datafile to check if is ok
using (var db = new UltraLiteDatabase(file.Filename))
{
// still 1 doc and 1 name unique index
DoTest(db.Engine);
// shrink again but now with password
var reduced = db.Shrink("abc123");
// file still same size (but now are encrypted)
Assert.AreEqual(0, reduced);
// still 1 doc and 1 name unique index
DoTest(db.Engine);
}
// re-open, again, but now with password
using (var db = new UltraLiteEngine(file.Filename, "abc123"))
{
DoTest(db);
// now, remove password
db.Shrink();
// test again
DoTest(db);
}
}
}