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

303 lines
14 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 NUnit.Framework;
using QuantConnect.Data.Consolidators;
using QuantConnect.Data.Market;
using QuantConnect.Indicators;
using System.Collections.Generic;
using System.Linq;
using static QuantConnect.Tests.Indicators.TestHelper;
namespace QuantConnect.Tests.Indicators
{
[TestFixture]
public class AdvanceDeclineDifferenceTests : CommonIndicatorTests<TradeBar>
{
protected override IndicatorBase<TradeBar> CreateIndicator()
{
var adDifference = new AdvanceDeclineDifference("test_name");
if (SymbolList.Count > 2)
{
SymbolList.Take(3).ToList().ForEach(adDifference.AddStock);
}
else
{
adDifference.AddStock(Symbols.AAPL);
adDifference.AddStock(Symbols.IBM);
adDifference.AddStock(Symbols.GOOG);
RenkoBarSize = 5000000;
}
return adDifference;
}
protected override List<Symbol> GetSymbols()
{
return [Symbols.SPY, Symbols.AAPL, Symbols.IBM];
}
[Test]
public virtual void ShouldIgnoreRemovedStocks()
{
var adDifference = (AdvanceDeclineDifference)CreateIndicator();
var reference = System.DateTime.Today;
adDifference.Update(new TradeBar() { Symbol = Symbols.AAPL, Close = 1, Volume = 100, Time = reference.AddMinutes(1) });
adDifference.Update(new TradeBar() { Symbol = Symbols.IBM, Close = 1, Volume = 100, Time = reference.AddMinutes(1) });
adDifference.Update(new TradeBar() { Symbol = Symbols.GOOG, Close = 1, Volume = 100, Time = reference.AddMinutes(1) });
// value is not ready yet
Assert.AreEqual(0m, adDifference.Current.Value);
adDifference.Update(new TradeBar() { Symbol = Symbols.AAPL, Close = 2, Volume = 100, Time = reference.AddMinutes(2) });
adDifference.Update(new TradeBar() { Symbol = Symbols.IBM, Close = 0.5m, Volume = 100, Time = reference.AddMinutes(2) });
adDifference.Update(new TradeBar() { Symbol = Symbols.GOOG, Close = 3, Volume = 100, Time = reference.AddMinutes(2) });
Assert.AreEqual(1m, adDifference.Current.Value);
adDifference.Reset();
adDifference.RemoveStock(Symbols.GOOG);
adDifference.Update(new TradeBar() { Symbol = Symbols.AAPL, Close = 1, Volume = 100, Time = reference.AddMinutes(1) });
adDifference.Update(new TradeBar() { Symbol = Symbols.IBM, Close = 1, Volume = 100, Time = reference.AddMinutes(1) });
adDifference.Update(new TradeBar() { Symbol = Symbols.GOOG, Close = 1, Volume = 100, Time = reference.AddMinutes(1) });
// value is not ready yet
Assert.AreEqual(0m, adDifference.Current.Value);
adDifference.Update(new TradeBar() { Symbol = Symbols.AAPL, Close = 2, Volume = 100, Time = reference.AddMinutes(2) });
adDifference.Update(new TradeBar() { Symbol = Symbols.IBM, Close = 0.5m, Volume = 100, Time = reference.AddMinutes(2) });
adDifference.Update(new TradeBar() { Symbol = Symbols.GOOG, Close = 3, Volume = 100, Time = reference.AddMinutes(2) });
Assert.AreEqual(0m, adDifference.Current.Value);
}
[Test]
public virtual void IgnorePeriodIfAnyStockMissed()
{
var adDifference = (AdvanceDeclineDifference)CreateIndicator();
adDifference.AddStock(Symbols.MSFT);
var reference = System.DateTime.Today;
adDifference.Update(new TradeBar() { Symbol = Symbols.AAPL, Close = 1, Time = reference.AddMinutes(1) });
adDifference.Update(new TradeBar() { Symbol = Symbols.IBM, Close = 1, Time = reference.AddMinutes(1) });
adDifference.Update(new TradeBar() { Symbol = Symbols.GOOG, Close = 1, Time = reference.AddMinutes(1) });
adDifference.Update(new TradeBar() { Symbol = Symbols.MSFT, Close = 1, Time = reference.AddMinutes(1) });
// value is not ready yet
Assert.AreEqual(0m, adDifference.Current.Value);
adDifference.Update(new TradeBar() { Symbol = Symbols.AAPL, Close = 2, Time = reference.AddMinutes(2) });
adDifference.Update(new TradeBar() { Symbol = Symbols.IBM, Close = 0.5m, Time = reference.AddMinutes(2) });
adDifference.Update(new TradeBar() { Symbol = Symbols.GOOG, Close = 3, Time = reference.AddMinutes(2) });
Assert.AreEqual(0m, adDifference.Current.Value);
adDifference.Update(new TradeBar() { Symbol = Symbols.AAPL, Close = 3, Time = reference.AddMinutes(3) });
adDifference.Update(new TradeBar() { Symbol = Symbols.IBM, Close = 1, Time = reference.AddMinutes(3) });
adDifference.Update(new TradeBar() { Symbol = Symbols.GOOG, Close = 2, Time = reference.AddMinutes(3) });
adDifference.Update(new TradeBar() { Symbol = Symbols.MSFT, Close = 1, Time = reference.AddMinutes(3) });
Assert.AreEqual(1m, adDifference.Current.Value);
adDifference.Update(new TradeBar() { Symbol = Symbols.AAPL, Close = 1, Time = reference.AddMinutes(4) });
adDifference.Update(new TradeBar() { Symbol = Symbols.IBM, Close = 2, Time = reference.AddMinutes(4) });
adDifference.Update(new TradeBar() { Symbol = Symbols.GOOG, Close = 3, Time = reference.AddMinutes(4) });
adDifference.Update(new TradeBar() { Symbol = Symbols.MSFT, Close = 2, Time = reference.AddMinutes(4) });
Assert.AreEqual(2m, adDifference.Current.Value);
adDifference.Update(new TradeBar() { Symbol = Symbols.AAPL, Close = 2, Time = reference.AddMinutes(5) });
adDifference.Update(new TradeBar() { Symbol = Symbols.IBM, Close = 3, Time = reference.AddMinutes(5) });
adDifference.Update(new TradeBar() { Symbol = Symbols.MSFT, Close = 1, Time = reference.AddMinutes(5) });
Assert.AreEqual(2m, adDifference.Current.Value);
adDifference.Update(new TradeBar() { Symbol = Symbols.AAPL, Close = 2, Time = reference.AddMinutes(6) });
adDifference.Update(new TradeBar() { Symbol = Symbols.GOOG, Close = 4, Time = reference.AddMinutes(6) });
adDifference.Update(new TradeBar() { Symbol = Symbols.MSFT, Close = 5, Time = reference.AddMinutes(6) });
Assert.AreEqual(2m, adDifference.Current.Value);
}
[Test]
public override void WarmsUpProperly()
{
var indicator = CreateIndicator();
var reference = System.DateTime.Today;
indicator.Update(new TradeBar() { Symbol = Symbols.AAPL, Close = 1, Volume = 1, Time = reference.AddMinutes(1) });
indicator.Update(new TradeBar() { Symbol = Symbols.AAPL, Close = 2, Volume = 1, Time = reference.AddMinutes(2) });
indicator.Update(new TradeBar() { Symbol = Symbols.IBM, Close = 1, Volume = 1, Time = reference.AddMinutes(1) });
indicator.Update(new TradeBar() { Symbol = Symbols.IBM, Close = 0.5m, Volume = 1, Time = reference.AddMinutes(2) });
indicator.Update(new TradeBar() { Symbol = Symbols.GOOG, Close = 1, Volume = 1, Time = reference.AddMinutes(1) });
indicator.Update(new TradeBar() { Symbol = Symbols.GOOG, Close = 3, Volume = 1, Time = reference.AddMinutes(2) });
Assert.IsTrue(indicator.IsReady);
Assert.AreEqual(1m, indicator.Current.Value);
Assert.AreEqual(6, indicator.Samples);
}
[Test]
public virtual void WarmsUpOrdered()
{
var indicator = CreateIndicator();
var reference = System.DateTime.Today;
indicator.Update(new TradeBar() { Symbol = Symbols.AAPL, Close = 1, Volume = 1, Time = reference.AddMinutes(1) });
indicator.Update(new TradeBar() { Symbol = Symbols.IBM, Close = 1, Volume = 1, Time = reference.AddMinutes(1) });
indicator.Update(new TradeBar() { Symbol = Symbols.GOOG, Close = 1, Volume = 1, Time = reference.AddMinutes(1) });
// indicator is not ready yet
Assert.IsFalse(indicator.IsReady);
indicator.Update(new TradeBar() { Symbol = Symbols.AAPL, Close = 2, Volume = 1, Time = reference.AddMinutes(2) });
indicator.Update(new TradeBar() { Symbol = Symbols.IBM, Close = 0.5m, Volume = 1, Time = reference.AddMinutes(2) });
indicator.Update(new TradeBar() { Symbol = Symbols.GOOG, Close = 3, Volume = 1, Time = reference.AddMinutes(2) });
Assert.IsTrue(indicator.IsReady);
Assert.AreEqual(1m, indicator.Current.Value);
}
[Test]
public override void AcceptsRenkoBarsAsInput()
{
var indicator = CreateIndicator();
if (indicator is IndicatorBase<TradeBar>)
{
var aaplRenkoConsolidator = new RenkoConsolidator(10000m);
aaplRenkoConsolidator.DataConsolidated += (sender, renkoBar) =>
{
Assert.DoesNotThrow(() => indicator.Update(renkoBar));
};
var googRenkoConsolidator = new RenkoConsolidator(100000m);
googRenkoConsolidator.DataConsolidated += (sender, renkoBar) =>
{
Assert.DoesNotThrow(() => indicator.Update(renkoBar));
};
var ibmRenkoConsolidator = new RenkoConsolidator(10000m);
ibmRenkoConsolidator.DataConsolidated += (sender, renkoBar) =>
{
Assert.DoesNotThrow(() => indicator.Update(renkoBar));
};
foreach (var parts in GetCsvFileStream(TestFileName))
{
var tradebar = parts.GetTradeBar();
if (tradebar.Symbol.Value == "AAPL")
{
aaplRenkoConsolidator.Update(tradebar);
}
else if (tradebar.Symbol.Value == "GOOG")
{
googRenkoConsolidator.Update(tradebar);
}
else
{
ibmRenkoConsolidator.Update(tradebar);
}
}
Assert.IsTrue(indicator.IsReady);
Assert.AreNotEqual(0, indicator.Samples);
IndicatorValueIsNotZeroAfterReceiveRenkoBars(indicator);
aaplRenkoConsolidator.Dispose();
googRenkoConsolidator.Dispose();
ibmRenkoConsolidator.Dispose();
}
}
[Test]
public override void AcceptsVolumeRenkoBarsAsInput()
{
var indicator = CreateIndicator();
if (indicator is IndicatorBase<TradeBar>)
{
var aaplRenkoConsolidator = new VolumeRenkoConsolidator(10000000m);
aaplRenkoConsolidator.DataConsolidated += (sender, renkoBar) =>
{
Assert.DoesNotThrow(() => indicator.Update(renkoBar));
};
var googRenkoConsolidator = new VolumeRenkoConsolidator(500000m);
googRenkoConsolidator.DataConsolidated += (sender, renkoBar) =>
{
Assert.DoesNotThrow(() => indicator.Update(renkoBar));
};
var ibmRenkoConsolidator = new VolumeRenkoConsolidator(500000m);
ibmRenkoConsolidator.DataConsolidated += (sender, renkoBar) =>
{
Assert.DoesNotThrow(() => indicator.Update(renkoBar));
};
foreach (var parts in GetCsvFileStream(TestFileName))
{
var tradebar = parts.GetTradeBar();
if (tradebar.Symbol.Value == "AAPL")
{
aaplRenkoConsolidator.Update(tradebar);
}
else if (tradebar.Symbol.Value == "GOOG")
{
googRenkoConsolidator.Update(tradebar);
}
else
{
ibmRenkoConsolidator.Update(tradebar);
}
}
Assert.IsTrue(indicator.IsReady);
Assert.AreNotEqual(0, indicator.Samples);
IndicatorValueIsNotZeroAfterReceiveVolumeRenkoBars(indicator);
aaplRenkoConsolidator.Dispose();
googRenkoConsolidator.Dispose();
ibmRenkoConsolidator.Dispose();
}
}
[Test]
public override void IndicatorShouldHaveSymbolAfterUpdates()
{
var indicator = CreateIndicator();
var reference = System.DateTime.Today;
for (int i = 0; i < 10; i++)
{
indicator.Update(new TradeBar() { Symbol = Symbols.AAPL, Close = 1, Volume = 1, Time = reference.AddMinutes(1) });
indicator.Update(new TradeBar() { Symbol = Symbols.IBM, Close = 1, Volume = 1, Time = reference.AddMinutes(1) });
indicator.Update(new TradeBar() { Symbol = Symbols.GOOG, Close = 1, Volume = 1, Time = reference.AddMinutes(1) });
// indicator is not ready yet
indicator.Update(new TradeBar() { Symbol = Symbols.AAPL, Close = 2, Volume = 1, Time = reference.AddMinutes(2) });
indicator.Update(new TradeBar() { Symbol = Symbols.IBM, Close = 0.5m, Volume = 1, Time = reference.AddMinutes(2) });
indicator.Update(new TradeBar() { Symbol = Symbols.GOOG, Close = 3, Volume = 1, Time = reference.AddMinutes(2) });
// indicator is ready
// The last update used Symbol.GOOG, so the indicator's current Symbol should be GOOG
Assert.AreEqual(Symbols.GOOG, indicator.Current.Symbol);
}
}
protected override string TestFileName => "arms_data.txt";
protected override string TestColumnName => "A/D Difference";
}
}