/*
 * 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.Indicators;

namespace QuantConnect.Tests.Indicators
{
    [TestFixture]
    public class TrueStrengthIndexTests : CommonIndicatorTests<IndicatorDataPoint>
    {
        protected override IndicatorBase<IndicatorDataPoint> CreateIndicator()
        {
            return new TrueStrengthIndex();
        }

        protected override string TestFileName => "spy_tsi.csv";

        protected override string TestColumnName => "TSI_25_13";

        [Test]
        public void ComparesWithExternalDataSignal()
        {
            var tsi = CreateIndicator();
            TestHelper.TestIndicator(
                tsi,
                TestFileName,
                "Signal_7",
                (ind, expected) =>
                {
                    var tsi = (TrueStrengthIndex)ind;
                    if (!tsi.Signal.IsReady) return;
                    Assert.AreEqual(expected, (double)tsi.Signal.Current.Value, delta: 1e-4);
                }
            );
        }
    }
}