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

59 lines
2.2 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.Market;
using QuantConnect.Lean.Engine.DataFeeds.Enumerators;
namespace QuantConnect.Tests.Engine.DataFeeds.Enumerators
{
[TestFixture]
public class BaseDataCollectionAggregatorEnumeratorTests
{
[Test]
public void AggregatesUntilNull()
{
var time = new DateTime(2015, 10, 20);
var underlying = Enumerable.Range(0, 5).Select(x => new Tick { Time = time }).ToList();
underlying.AddRange(new Tick[] { null, null, null });
var aggregator = new BaseDataCollectionAggregatorEnumerator(underlying.GetEnumerator(), Symbols.SPY);
Assert.IsTrue(aggregator.MoveNext());
Assert.IsNotNull(aggregator.Current);
Assert.AreEqual(5, aggregator.Current.Data.Count);
aggregator.Dispose();
}
[Test]
public void AggregatesUntilTimeChange()
{
var time = new DateTime(2015, 10, 20);
var underlying = Enumerable.Range(0, 5).Select(x => new Tick { Time = time }).ToList();
underlying.AddRange(Enumerable.Range(0, 5).Select(x => new Tick {Time = time.AddSeconds(1)}));
var aggregator = new BaseDataCollectionAggregatorEnumerator(underlying.GetEnumerator(), Symbols.SPY);
Assert.IsTrue(aggregator.MoveNext());
Assert.IsNotNull(aggregator.Current);
Assert.AreEqual(5, aggregator.Current.Data.Count);
aggregator.Dispose();
}
}
}