Files
quantconnect--lean/Tests/Report/DrawdownCollectionTests.cs
T
2026-07-13 13:02:50 +08:00

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2.5 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 NUnit.Framework;
using QuantConnect.Packets;
using QuantConnect.Report;
namespace QuantConnect.Tests.Report
{
[TestFixture]
public class DrawdownCollectionTests
{
[Test]
public void MaxDrawdown()
{
var series = new Deedle.Series<DateTime, double>(new []
{
new KeyValuePair<DateTime, double>(new DateTime(2020, 1, 1), 100000),
new KeyValuePair<DateTime, double>(new DateTime(2020, 1, 2), 90000),
new KeyValuePair<DateTime, double>(new DateTime(2020, 1, 3), 100000),
new KeyValuePair<DateTime, double>(new DateTime(2020, 1, 4), 100000),
new KeyValuePair<DateTime, double>(new DateTime(2020, 1, 5), 80000)
});
var collection = DrawdownCollection.GetDrawdownPeriods(series, 1).ToList();
Assert.AreEqual(1, collection.Count);
Assert.AreEqual(0.2, collection.First().Drawdown, 0.0001);
}
[TestCase(false)]
[TestCase(true)]
public void NoDrawdown(bool hasEquityPoint)
{
var strategyEquityChart = new Chart("Strategy Equity");
var equitySeries = new Series("Equity");
strategyEquityChart.AddSeries(equitySeries);
if (hasEquityPoint)
{
equitySeries.AddPoint(new DateTime(2020, 1, 1), 100000);
}
var backtest = new BacktestResult
{
Charts = new Dictionary<string, Chart> {[strategyEquityChart.Name] = strategyEquityChart}
};
var normalizedResults = DrawdownCollection.NormalizeResults(backtest, null);
Assert.AreEqual(0, normalizedResults.KeyCount);
Assert.AreEqual(0, normalizedResults.ValueCount);
}
}
}