77 lines
2.8 KiB
C#
77 lines
2.8 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.Indicators;
|
|
using System;
|
|
|
|
namespace QuantConnect.Tests.Indicators
|
|
{
|
|
[TestFixture]
|
|
public class AccelerationBandsTests : CommonIndicatorTests<IBaseDataBar>
|
|
{
|
|
protected override IndicatorBase<IBaseDataBar> CreateIndicator()
|
|
{
|
|
RenkoBarSize = 1m;
|
|
VolumeRenkoBarSize = 0.5m;
|
|
return new AccelerationBands(period: 20, width: 4m);
|
|
}
|
|
|
|
protected override string TestFileName => "spy_acceleration_bands_20_4.txt";
|
|
|
|
protected override string TestColumnName => "MiddleBand";
|
|
|
|
[Test]
|
|
public void ComparesWithExternalDataLowerBand()
|
|
{
|
|
var abands = CreateIndicator();
|
|
TestHelper.TestIndicator(
|
|
abands,
|
|
"spy_acceleration_bands_20_4.txt",
|
|
"LowerBand",
|
|
(ind, expected) => Assert.AreEqual(expected, (double) ((AccelerationBands) ind).LowerBand.Current.Value,
|
|
delta: 1e-4, message: "Lower band test fail.")
|
|
);
|
|
}
|
|
|
|
[Test]
|
|
public void ComparesWithExternalDataUpperBand()
|
|
{
|
|
var abands = CreateIndicator();
|
|
TestHelper.TestIndicator(
|
|
abands,
|
|
"spy_acceleration_bands_20_4.txt",
|
|
"UpperBand",
|
|
(ind, expected) => Assert.AreEqual(expected, (double) ((AccelerationBands) ind).UpperBand.Current.Value,
|
|
delta: 1e-4, message: "Upper band test fail.")
|
|
);
|
|
}
|
|
|
|
[Test]
|
|
public void WorksWithLowValues()
|
|
{
|
|
var abands = CreateIndicator();
|
|
var random = new Random();
|
|
var time = DateTime.UtcNow;
|
|
for(int i = 0; i < 40; i++)
|
|
{
|
|
var value = random.NextDouble() * 0.000000000000000000000000000001;
|
|
Assert.DoesNotThrow(() => abands.Update(new TradeBar { High = (decimal)value, Low = (decimal)value, Time = time.AddDays(i)}));
|
|
}
|
|
}
|
|
}
|
|
} |