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

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2.6 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.Linq;
using NUnit.Framework;
using QuantConnect.Data;
using QuantConnect.Data.Market;
using QuantConnect.Lean.Engine.DataFeeds.Enumerators;
namespace QuantConnect.Tests.Engine.DataFeeds.Enumerators
{
[TestFixture]
public class MappingEventProviderTests
{
private SubscriptionDataConfig _config;
[SetUp]
public void SetUp()
{
var symbol = Symbol.Create("TFCFA", SecurityType.Equity, Market.USA);
_config = new SubscriptionDataConfig(typeof(TradeBar),
symbol,
Resolution.Daily,
TimeZones.NewYork,
TimeZones.NewYork,
true,
true,
false);
}
[Test]
public void InitialMapping()
{
var provider = new MappingEventProvider();
Assert.AreEqual("TFCFA", _config.MappedSymbol);
provider.Initialize(_config,
null,
TestGlobals.MapFileProvider,
new DateTime(2006, 1, 1));
Assert.AreEqual("NWSA", _config.MappedSymbol);
}
[Test]
public void MappingEvent()
{
var provider = new MappingEventProvider();
provider.Initialize(_config,
null,
TestGlobals.MapFileProvider,
new DateTime(2006, 1, 1));
Assert.AreEqual("NWSA", _config.MappedSymbol);
var symbolEvent = (SymbolChangedEvent)provider
.GetEvents(new NewTradableDateEventArgs(
new DateTime(2013, 6, 29),
null,
_config.Symbol,
null)).Single();
Assert.AreEqual("FOXA", symbolEvent.NewSymbol);
Assert.AreEqual("NWSA", symbolEvent.OldSymbol);
Assert.AreEqual("FOXA", _config.MappedSymbol);
}
}
}