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2026-07-13 13:02:50 +08:00

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2.5 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 NUnit.Framework;
using System.Threading;
using QuantConnect.Data;
using QuantConnect.Logging;
using System.Collections.Generic;
using QuantConnect.Lean.Engine.DataFeeds;
using QuantConnect.Lean.Engine.DataFeeds.Queues;
namespace QuantConnect.Tests.Engine.DataFeeds
{
[TestFixture, Parallelizable(ParallelScope.All)]
public class FakeDataQueueTests
{
[Test]
public void GeneratesDataCorrectly()
{
using var aggregator = new AggregationManager();
var algorithm = new AlgorithmStub();
var dataQueue = new FakeDataQueue(aggregator, dataPointsPerSecondPerSymbol: 10);
algorithm.AddEquity("SPY", Resolution.Second);
List<IEnumerator<BaseData>> enumerators = new();
foreach (var config in algorithm.SubscriptionManager.Subscriptions)
{
using var newDataEvent = new ManualResetEvent(false);
enumerators.Add(dataQueue.Subscribe(config, (_, _) => {
try
{
newDataEvent.Set();
}
catch (ObjectDisposedException)
{
}
}));
Assert.IsTrue(newDataEvent.WaitOne(15000));
// let's just generate a single point
dataQueue.Unsubscribe(config);
}
dataQueue.Dispose();
foreach (var enumerator in enumerators)
{
// assert each data type generate data correctly
Assert.IsTrue(enumerator.MoveNext());
Assert.IsNotNull(enumerator.Current);
Log.Debug($"FakeDataQueueTests.GeneratesDataCorrectly(): {enumerator.Current}");
}
}
}
}