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quantconnect--lean/Tests/Common/Util/BaseDataExtensionsTests.cs
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2026-07-13 13:02:50 +08:00

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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.Common.Util
{
[TestFixture]
public class BaseDataExtensionsTests
{
private SubscriptionDataConfig _config;
const decimal _factor = 0.5m;
[SetUp]
public void Setup()
{
_config = new SubscriptionDataConfig(typeof(TradeBar),
Symbols.SPY,
Resolution.Daily,
TimeZones.NewYork,
TimeZones.NewYork,
true,
true,
false);
_config.DataNormalizationMode = DataNormalizationMode.Adjusted;
_config.PriceScaleFactor = _factor;
}
[Test]
public void AdjustTradeBar()
{
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,
Volume = 10000
};
var adjustedTb = tb.Clone(tb.IsFillForward).Normalize(_factor, DataNormalizationMode.Adjusted, 0);
Assert.AreEqual(tb.Open * _factor, (adjustedTb as TradeBar).Open);
Assert.AreEqual(tb.High * _factor, (adjustedTb as TradeBar).High);
Assert.AreEqual(tb.Low * _factor, (adjustedTb as TradeBar).Low);
Assert.AreEqual(tb.Close * _factor, (adjustedTb as TradeBar).Close);
Assert.AreEqual(tb.Volume / _factor, (adjustedTb as TradeBar).Volume);
}
[Test]
public void AdjustTick()
{
var tick = new Tick
{
Time = new DateTime(2020, 5, 21, 8, 9, 0),
Symbol = Symbols.SPY,
Value = 100,
Quantity = 10
};
var adjustedTick = tick.Clone(tick.IsFillForward).Normalize(_factor, DataNormalizationMode.Adjusted, 0);
Assert.AreEqual(tick.Value * _factor, (adjustedTick as Tick).Value);
Assert.AreEqual(tick.Quantity / _factor, (adjustedTick as Tick).Quantity);
}
[Test]
public void AdjustQuoteTick()
{
var tick = new Tick
{
Time = new DateTime(2020, 5, 21, 8, 9, 0),
Symbol = Symbols.SPY,
TickType = TickType.Quote,
AskPrice = 100,
BidPrice = 99,
AskSize = 100,
BidSize = 10
};
var adjustedTick = tick.Clone(tick.IsFillForward).Normalize(_factor, DataNormalizationMode.Adjusted, 0);
Assert.AreEqual(tick.AskPrice * _factor, (adjustedTick as Tick).AskPrice);
Assert.AreEqual(tick.BidPrice * _factor, (adjustedTick as Tick).BidPrice);
Assert.AreEqual(tick.AskSize / _factor, (adjustedTick as Tick).AskSize);
Assert.AreEqual(tick.BidSize / _factor, (adjustedTick as Tick).BidSize);
}
[Test]
public void AdjustQuoteBar()
{
var qb = new QuoteBar(
new DateTime(2018, 1, 1),
_config.Symbol,
new Bar(10, 10, 10, 10),
100,
new Bar(10, 10, 10, 10),
100);
var adjustedQb = qb.Clone(qb.IsFillForward).Normalize(_factor, DataNormalizationMode.Adjusted, 0);
Assert.AreEqual(qb.Value, qb.Close);
// bid
Assert.AreEqual(qb.Bid.Open * _factor, (adjustedQb as QuoteBar).Bid.Open);
Assert.AreEqual(qb.Bid.Close * _factor, (adjustedQb as QuoteBar).Bid.Close);
Assert.AreEqual(qb.Bid.High * _factor, (adjustedQb as QuoteBar).Bid.High);
Assert.AreEqual(qb.Bid.Low * _factor, (adjustedQb as QuoteBar).Bid.Low);
Assert.AreEqual(qb.LastBidSize / _factor, (adjustedQb as QuoteBar).LastBidSize);
// ask
Assert.AreEqual(qb.Ask.Open * _factor, (adjustedQb as QuoteBar).Ask.Open);
Assert.AreEqual(qb.Ask.Close * _factor, (adjustedQb as QuoteBar).Ask.Close);
Assert.AreEqual(qb.Ask.High * _factor, (adjustedQb as QuoteBar).Ask.High);
Assert.AreEqual(qb.Ask.Low * _factor, (adjustedQb as QuoteBar).Ask.Low);
Assert.AreEqual(qb.LastAskSize / _factor, (adjustedQb as QuoteBar).LastAskSize);
}
[Test]
public void AdjustTradeBarUsingConfig()
{
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,
Volume = 1000
};
var adjustedTb = tb.Clone(tb.IsFillForward).Normalize(_config.PriceScaleFactor, _config.DataNormalizationMode, _config.SumOfDividends);
Assert.AreEqual(tb.Open * _factor, (adjustedTb as TradeBar).Open);
Assert.AreEqual(tb.High * _factor, (adjustedTb as TradeBar).High);
Assert.AreEqual(tb.Low * _factor, (adjustedTb as TradeBar).Low);
Assert.AreEqual(tb.Close * _factor, (adjustedTb as TradeBar).Close);
Assert.AreEqual(tb.Volume / _factor, (adjustedTb as TradeBar).Volume);
}
[Test]
public void AdjustTickUsingConfig()
{
var tick = new Tick
{
Time = new DateTime(2020, 5, 21, 8, 9, 0),
Symbol = Symbols.SPY,
Value = 100,
Quantity = 10
};
var adjustedTick = tick.Clone(tick.IsFillForward).Normalize(_config.PriceScaleFactor, _config.DataNormalizationMode, _config.SumOfDividends);
Assert.AreEqual(tick.Value * _factor, (adjustedTick as Tick).Value);
Assert.AreEqual(tick.Quantity / _factor, (adjustedTick as Tick).Quantity);
}
[Test]
public void AdjustQuoteTickUsingConfig()
{
var tick = new Tick
{
Time = new DateTime(2020, 5, 21, 8, 9, 0),
Symbol = Symbols.SPY,
TickType = TickType.Quote,
AskPrice = 100,
BidPrice = 99,
AskSize = 100,
BidSize = 10
};
var adjustedTick = tick.Clone(tick.IsFillForward).Normalize(_config.PriceScaleFactor, _config.DataNormalizationMode, _config.SumOfDividends);
Assert.AreEqual(tick.AskPrice * _factor, (adjustedTick as Tick).AskPrice);
Assert.AreEqual(tick.BidPrice * _factor, (adjustedTick as Tick).BidPrice);
Assert.AreEqual(tick.AskSize / _factor, (adjustedTick as Tick).AskSize);
Assert.AreEqual(tick.BidSize / _factor, (adjustedTick as Tick).BidSize);
}
[Test]
public void AdjustQuoteBarUsingConfig()
{
var qb = new QuoteBar(
new DateTime(2018, 1, 1),
_config.Symbol,
new Bar(10, 10, 10, 10),
100,
new Bar(10, 10, 10, 10),
100);
var adjustedQb = qb.Clone(qb.IsFillForward).Normalize(_config.PriceScaleFactor, _config.DataNormalizationMode, _config.SumOfDividends);
Assert.AreEqual(qb.Value, qb.Close);
// bid
Assert.AreEqual(qb.Bid.Open * _factor, (adjustedQb as QuoteBar).Bid.Open);
Assert.AreEqual(qb.Bid.Close * _factor, (adjustedQb as QuoteBar).Bid.Close);
Assert.AreEqual(qb.Bid.High * _factor, (adjustedQb as QuoteBar).Bid.High);
Assert.AreEqual(qb.Bid.Low * _factor, (adjustedQb as QuoteBar).Bid.Low);
Assert.AreEqual(qb.LastBidSize / _factor, (adjustedQb as QuoteBar).LastBidSize);
// ask
Assert.AreEqual(qb.Ask.Open * _factor, (adjustedQb as QuoteBar).Ask.Open);
Assert.AreEqual(qb.Ask.Close * _factor, (adjustedQb as QuoteBar).Ask.Close);
Assert.AreEqual(qb.Ask.High * _factor, (adjustedQb as QuoteBar).Ask.High);
Assert.AreEqual(qb.Ask.Low * _factor, (adjustedQb as QuoteBar).Ask.Low);
Assert.AreEqual(qb.LastAskSize / _factor, (adjustedQb as QuoteBar).LastAskSize);
}
}
}