adding

LCU.API.Internal.Document/LCU.API.Internal.Document.PerformanceTest/DB/LocalMongoDatabase.cs

@@ -0,0 +1,26 @@
+using Mongo2Go;
+using MongoDB.Driver;
+
+namespace LCU.API.Internal.Document.PerformanceTest.DB;
+
+public class LocalMongoDatabase : IDatabase
+{
+    private MongoDbRunner? _mongoDb;
+
+    public Task<IMongoClient> SpinUp()
+    {
+        _mongoDb ??= MongoDbRunner.Start();
+
+        return Task.FromResult<IMongoClient>(new MongoClient(ConnectionString));
+    }
+
+    public Task TearDown()
+    {
+        _mongoDb?.Dispose();
+        _mongoDb = null;
+
+        return Task.CompletedTask;
+    }
+
+    public string ConnectionString => _mongoDb?.ConnectionString ?? throw new InvalidOperationException("spin up the database first");
+}