public void When_inizialize_twice_Then_throw_exception()
{
// Arrange
MongoMigration.Initialize();
// Act
Action comparison = MongoMigration.Initialize;
// Assert
comparison.ShouldThrow <AlreadyInitializedException>();
}
private Task SaveMigrationRecord(IMongoDatabase database, MongoMigration migration)
{
var migrations = database.GetCollection <MongoMigrationRecord>("__Migrations");
return(migrations.InsertOneAsync(new MongoMigrationRecord
{
Name = migration.Name,
MigrationId = migration.Id,
MigrationDate = migration.MigrationDate
}));
}
public void When_migrating_number_of_documents()
{
// Arrange
// Worm up MongoCache
ClearCollection();
AddDocumentsToCache();
ClearCollection();
// Act
// Measure time of MongoDb processing without Mongo.Migration
var sw = new Stopwatch();
sw.Start();
InsertMany(DOCUMENT_COUNT, false);
MigrateAll(false);
sw.Stop();
ClearCollection();
// Measure time of MongoDb processing without Mongo.Migration
MongoMigration.Initialize();
var swWithMigration = new Stopwatch();
swWithMigration.Start();
InsertMany(DOCUMENT_COUNT, true);
MigrateAll(true);
swWithMigration.Stop();
ClearCollection();
var result = swWithMigration.ElapsedMilliseconds - sw.ElapsedMilliseconds;
Console.WriteLine(
$"MongoDB: {sw.ElapsedMilliseconds}ms, Mongo.Migration: {swWithMigration.ElapsedMilliseconds}ms, Diff: {result}ms (Tolerance: {TOLERANCE_MS}ms), Documents: {DOCUMENT_COUNT}, Migrations per Document: 2");
// Assert
result.Should().BeLessThan(TOLERANCE_MS);
}
private static void Main(string[] args)
{
// Arrange
// Worm up MongoCache
ClearCollection();
AddDocumentsToCache();
ClearCollection();
// Act
// Measure time of MongoDb processing without Mongo.Migration
var sw = new Stopwatch();
sw.Start();
InsertMany(DOCUMENT_COUNT, false);
MigrateAll(false);
sw.Stop();
ClearCollection();
// Measure time of MongoDb processing without Mongo.Migration
MongoMigration.MigrationOnDeserialization();
var swWithMigration = new Stopwatch();
swWithMigration.Start();
InsertMany(DOCUMENT_COUNT, true);
MigrateAll(true);
swWithMigration.Stop();
ClearCollection();
var result = swWithMigration.ElapsedMilliseconds - sw.ElapsedMilliseconds;
System.Console.WriteLine(
$"MongoDB: {sw.ElapsedMilliseconds}ms, Mongo.Migration: {swWithMigration.ElapsedMilliseconds}ms, Diff: {result}ms (Tolerance: {TOLERANCE_MS}ms), Documents: {DOCUMENT_COUNT}, Migrations per Document: 2");
System.Console.ReadLine();
}
private static void Main(string[] args)
{
// Init MongoDB
var runner = MongoDbRunner.StartForDebugging();
var client = new MongoClient(runner.ConnectionString);
// Init MongoMigration
MongoMigration.Initialize();
client.GetDatabase("TestCars").DropCollection("Car");
// Insert old and new version of cars into MongoDB
var cars = new List <BsonDocument>
{
new BsonDocument {
{ "Dors", 3 }, { "Type", "Cabrio" }, { "UnnecessaryField", "" }
},
new BsonDocument {
{ "Dors", 5 }, { "Type", "Combi" }, { "UnnecessaryField", "" }
},
new BsonDocument {
{ "Doors", 3 }, { "Type", "Truck" }, { "UnnecessaryField", "" }, { "Version", "0.0.1" }
},
new BsonDocument {
{ "Doors", 5 }, { "Type", "Van" }, { "Version", "0.1.1" }
}
};
var bsonCollection =
client.GetDatabase("TestCars").GetCollection <BsonDocument>("Car");
bsonCollection.InsertManyAsync(cars).Wait();
Console.WriteLine("Migrate from:");
cars.ForEach(c => Console.WriteLine(c.ToBsonDocument() + "\n"));
// Migrate old version to current version by reading collection
var typedCollection = client.GetDatabase("TestCars").GetCollection <Car>("Car");
var result = typedCollection.FindAsync(_ => true).Result.ToListAsync().Result;
Console.WriteLine("To:");
result.ForEach(r => Console.WriteLine(r.ToBsonDocument() + "\n"));
// Create new car and add it with current version number into MongoDB
var id = ObjectId.GenerateNewId();
var type = "Test" + id;
var car = new Car {
Doors = 2, Type = type
};
typedCollection.InsertOne(car);
var test = typedCollection.FindAsync(Builders <Car> .Filter.Eq(c => c.Type, type)).Result.Single();
var aggregate = typedCollection.Aggregate()
.Match(new BsonDocument {
{ "Dors", 3 }
});
var results = aggregate.ToListAsync().Result;
Console.WriteLine("New Car was created with version: " + test.Version);
Console.WriteLine("\n");
Console.WriteLine("\n");
Console.WriteLine("Press any Key to exit...");
Console.Read();
client.GetDatabase("TestCars").DropCollection("Car");
}
public void TearDown()
{
MongoMigration.Reset();
_client = null;
_runner.Dispose();
}
public void TearDown()
{
MongoMigration.Reset();
}
