80 lines
2.4 KiB
C#
80 lines
2.4 KiB
C#
/*
|
|
* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
|
|
* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Threading.Tasks;
|
|
using QuantConnect.Optimizer;
|
|
using QuantConnect.Optimizer.Parameters;
|
|
|
|
namespace QuantConnect.Tests.Optimizer
|
|
{
|
|
public class FakeLeanOptimizer : LeanOptimizer
|
|
{
|
|
private readonly HashSet<string> _backtests = new HashSet<string>();
|
|
|
|
public event EventHandler Update;
|
|
|
|
public FakeLeanOptimizer(OptimizationNodePacket nodePacket)
|
|
: base(nodePacket)
|
|
{
|
|
}
|
|
|
|
protected override string RunLean(ParameterSet parameterSet, string backtestName)
|
|
{
|
|
var id = Guid.NewGuid().ToString();
|
|
_backtests.Add(id);
|
|
|
|
Task.Delay(100).ContinueWith(task =>
|
|
{
|
|
try
|
|
{
|
|
var sum = parameterSet.Value.Where(pair => pair.Key != "skipFromResultSum").Sum(s => s.Value.ToDecimal());
|
|
if (sum != 29)
|
|
{
|
|
NewResult(BacktestResult.Create(sum, sum / 100).ToJson(), id);
|
|
}
|
|
else
|
|
{
|
|
// fail some backtests by passing empty json
|
|
NewResult(string.Empty, id);
|
|
}
|
|
}
|
|
catch
|
|
{
|
|
}
|
|
});
|
|
|
|
return id;
|
|
}
|
|
|
|
protected override void AbortLean(string backtestId)
|
|
{
|
|
_backtests.Remove(backtestId);
|
|
}
|
|
|
|
protected override void SendUpdate()
|
|
{
|
|
OnUpdate();
|
|
}
|
|
|
|
private void OnUpdate()
|
|
{
|
|
Update?.Invoke(this, EventArgs.Empty);
|
|
}
|
|
}
|
|
}
|