chore: import upstream snapshot with attribution

2026-07-13 13:02:50 +08:00
commit 0fc60fdcb1
5008 changed files with 910633 additions and 0 deletions
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+/*
+ * 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);
+                }
+            );
+        }
+    }
+}