chore: import upstream snapshot with attribution

2026-07-13 13:02:50 +08:00
commit 0fc60fdcb1
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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 System;
+using System.Linq;
+using NUnit.Framework;
+using QuantConnect.Algorithm;
+using QuantConnect.Algorithm.Framework.Selection;
+
+namespace QuantConnect.Tests.Algorithm.Framework.Selection
+{
+    [TestFixture]
+    public class ManualUniverseSelectionModelTests
+    {
+        [Test]
+        public void ExcludesCanonicalSymbols()
+        {
+            var symbols = new[]
+            {
+                Symbols.SPY,
+                Symbol.CreateOption(Symbols.SPY, Market.USA, default(OptionStyle), default(OptionRight), 0m, SecurityIdentifier.DefaultDate, "?SPY")
+            };
+
+            var model = new ManualUniverseSelectionModel(symbols);
+            var universe = model.CreateUniverses(new QCAlgorithm()).Single();
+            var selectedSymbols = universe.SelectSymbols(default(DateTime), null).ToList();
+
+            Assert.AreEqual(1, selectedSymbols.Count);
+            Assert.AreEqual(Symbols.SPY, selectedSymbols[0]);
+            Assert.IsFalse(selectedSymbols.Any(s => s.IsCanonical()));
+        }
+    }
+}