Files
quantconnect--lean/Tests/Engine/DataFeeds/PrecalculatedSubscriptionDataTests.cs
2026-07-13 13:02:50 +08:00

103 lines
3.7 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 NUnit.Framework;
using QuantConnect.Data;
using QuantConnect.Data.Market;
using QuantConnect.Lean.Engine.DataFeeds;
using QuantConnect.Securities;
using System;
namespace QuantConnect.Tests.Engine.DataFeeds
{
[TestFixture]
public class PrecalculatedSubscriptionDataTests
{
private SubscriptionDataConfig _config;
[SetUp]
public void Setup()
{
_config = new SubscriptionDataConfig(typeof(TradeBar),
Symbols.SPY,
Resolution.Daily,
TimeZones.NewYork,
TimeZones.NewYork,
true,
true,
false);
}
[Test]
public void ChangeDataNormalizationMode()
{
var tb = new TradeBar
{
Time = new DateTime(2020, 5, 21, 8, 9, 0),
Period = TimeSpan.FromHours(1),
Symbol = Symbols.SPY,
Open = 100,
High = 200,
Low = 300,
Close = 400
};
var factor = 0.5m;
var sumOfDividends = 100m;
var adjustedTb = tb.Clone(tb.IsFillForward).Normalize(factor, DataNormalizationMode.Adjusted, 0);
var exchangeHours = SecurityExchangeHours.AlwaysOpen(TimeZones.Utc);
var offsetProvider = new TimeZoneOffsetProvider(TimeZones.Utc, new DateTime(2020, 5, 21), new DateTime(2020, 5, 22));
var emitTimeUtc = offsetProvider.ConvertToUtc(tb.EndTime);
_config.SumOfDividends = sumOfDividends;
var subscriptionData = new PrecalculatedSubscriptionData(
_config,
tb,
adjustedTb,
DataNormalizationMode.Adjusted,
emitTimeUtc);
_config.DataNormalizationMode = DataNormalizationMode.Raw;
Assert.AreEqual(tb.Open, (subscriptionData.Data as TradeBar).Open);
Assert.AreEqual(tb.High, (subscriptionData.Data as TradeBar).High);
Assert.AreEqual(tb.Low, (subscriptionData.Data as TradeBar).Low);
Assert.AreEqual(tb.Close, (subscriptionData.Data as TradeBar).Close);
_config.DataNormalizationMode = DataNormalizationMode.Adjusted;
Assert.AreEqual(tb.Open * factor, (subscriptionData.Data as TradeBar).Open);
Assert.AreEqual(tb.High * factor, (subscriptionData.Data as TradeBar).High);
Assert.AreEqual(tb.Low * factor, (subscriptionData.Data as TradeBar).Low);
Assert.AreEqual(tb.Close * factor, (subscriptionData.Data as TradeBar).Close);
_config.DataNormalizationMode = DataNormalizationMode.TotalReturn;
Assert.Throws<ArgumentException>(() =>
{
var data = subscriptionData.Data;
}
);
_config.DataNormalizationMode = DataNormalizationMode.SplitAdjusted;
Assert.Throws<ArgumentException>(() =>
{
var data = subscriptionData.Data;
}
);
}
}
}