Files
quantconnect--lean/Tests/Indicators/ZeroLagExponentialMovingAverageTests.cs
2026-07-13 13:02:50 +08:00

73 lines
2.7 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 NUnit.Framework;
using QuantConnect.Indicators;
namespace QuantConnect.Tests.Indicators
{
[TestFixture]
public class ZeroLagExponentialMovingAverageTests : CommonIndicatorTests<IndicatorDataPoint>
{
protected override IndicatorBase<IndicatorDataPoint> CreateIndicator()
{
return new ZeroLagExponentialMovingAverage(5);
}
protected override string TestFileName => "spy_with_zlema.csv";
protected override string TestColumnName => "ZLEMA5";
[Test]
public void IsReadyAfterPeriodUpdates()
{
var zlema = new ZeroLagExponentialMovingAverage(5);
zlema.Update(new DateTime(2024, 07, 05, 0, 0, 0), 1m);
zlema.Update(new DateTime(2024, 07, 05, 0, 1, 0), 1m);
zlema.Update(new DateTime(2024, 07, 05, 0, 2, 0), 1m);
zlema.Update(new DateTime(2024, 07, 05, 0, 3, 0), 1m);
zlema.Update(new DateTime(2024, 07, 05, 0, 4, 0), 1m);
zlema.Update(new DateTime(2024, 07, 05, 0, 5, 0), 1m);
Assert.IsFalse(zlema.IsReady);
zlema.Update(new DateTime(2024, 07, 05, 0, 6, 0), 1m);
Assert.IsTrue(zlema.IsReady);
Assert.AreEqual(zlema.WarmUpPeriod, 7);
}
[Test]
public override void ResetsProperly()
{
var zlema = new ZeroLagExponentialMovingAverage(3);
foreach (var data in TestHelper.GetDataStream(4))
{
zlema.Update(data);
}
Assert.IsTrue(zlema.IsReady);
zlema.Reset();
TestHelper.AssertIndicatorIsInDefaultState(zlema);
zlema.Update(new DateTime(2024, 07, 05, 0, 0, 0), 2.0m);
zlema.Update(new DateTime(2024, 07, 05, 0, 1, 0), 2.0m);
zlema.Update(new DateTime(2024, 07, 05, 0, 2, 0), 2.0m);
zlema.Update(new DateTime(2024, 07, 05, 0, 3, 0), 2.0m);
Assert.AreEqual(zlema.Current.Value, 2.0m);
}
}
}