Files
quantconnect--lean/Tests/Common/Securities/ProcessVolatilityHistoryRequirementsTests.cs
2026-07-13 13:02:50 +08:00

101 lines
3.6 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 NodaTime;
using NUnit.Framework;
using QuantConnect.Data;
using QuantConnect.Data.Market;
using QuantConnect.Lean.Engine;
using QuantConnect.Securities;
using QuantConnect.Securities.Volatility;
using QuantConnect.Tests.Engine.DataFeeds;
using QuantConnect.Util;
namespace QuantConnect.Tests.Common.Securities
{
[TestFixture]
class ProcessVolatilityHistoryRequirementsTests
{
[Test]
public void Works()
{
var algorithm = new AlgorithmStub();
algorithm.HistoryProvider = new TestHistoryProvider();
var security = algorithm.AddEquity(Symbols.SPY.Value);
var model = new TestVolatilityModel();
security.VolatilityModel = model;
AlgorithmManager.ProcessVolatilityHistoryRequirements(algorithm, false);
Assert.AreEqual(1, model.dataUpdate.Count);
Assert.AreEqual(Symbols.SPY, model.dataUpdate.First().Symbol);
Assert.AreEqual(4, model.dataUpdate.First().Price);
}
}
internal class TestVolatilityModel : BaseVolatilityModel
{
public List<BaseData> dataUpdate = new List<BaseData>();
public override decimal Volatility { get; }
public override void Update(Security security, BaseData data)
{
dataUpdate.Add(data);
}
public override IEnumerable<HistoryRequest> GetHistoryRequirements(Security security, DateTime utcTime)
{
var configuration = SubscriptionDataConfigProvider.GetSubscriptionDataConfigs(security.Symbol).First();
return new[]
{
new HistoryRequest(
utcTime,
utcTime,
typeof(TradeBar),
configuration.Symbol,
configuration.Resolution,
security.Exchange.Hours,
configuration.DataTimeZone,
configuration.Resolution,
configuration.ExtendedMarketHours,
configuration.IsCustomData,
configuration.DataNormalizationMode,
LeanData.GetCommonTickTypeForCommonDataTypes(typeof(TradeBar), security.Type)
)
};
}
}
internal class TestHistoryProvider : HistoryProviderBase
{
public override int DataPointCount { get; }
public override void Initialize(HistoryProviderInitializeParameters parameters)
{
throw new NotImplementedException();
}
public override IEnumerable<Slice> GetHistory(IEnumerable<HistoryRequest> requests, DateTimeZone sliceTimeZone)
{
var request = requests.First();
return new List<Slice>{ new Slice(DateTime.UtcNow,
new List<BaseData> {new TradeBar(DateTime.MinValue, request.Symbol, 1, 2, 3, 4, 5) }, DateTime.UtcNow)};
}
}
}