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
@@ -0,0 +1,59 @@
+/*
+ * 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;
+
+namespace QuantConnect.Tests.Common.Data
+{
+    [TestFixture]
+    public class ChannelTests
+    {
+        private static TestCaseData[] Equality => new[]
+        {
+            new TestCaseData(new Channel("trade", Symbols.SPY), Symbols.SPY, "trade"),
+            new TestCaseData(new Channel("quote", Symbols.AAPL), Symbols.AAPL, "quote"),
+            new TestCaseData(new Channel("quote-trade", Symbols.IBM), Symbols.IBM, "quote-trade")
+        };
+
+        [TestCaseSource(nameof(Equality))]
+        public void Equal(Channel expected, Symbol symbol, string channelName)
+        {
+            var actual = new Channel(channelName, symbol);
+            Assert.AreNotSame(expected, actual);
+            Assert.AreEqual(expected, actual);
+            Assert.AreEqual(expected.GetHashCode(), actual.GetHashCode());
+        }
+
+        private static TestCaseData[] Inequality => new[]
+        {
+            new TestCaseData(new Channel("trade", Symbols.SPY), Symbols.SPY, "quote"),
+            new TestCaseData(new Channel("trade", Symbols.AAPL), Symbols.SPY, "trade"),
+            new TestCaseData(new Channel("quote-trade", Symbols.IBM), Symbols.IBM, "quote"),
+            new TestCaseData(new Channel("quote-trade", Symbols.MSFT), Symbols.MSFT, "trade")
+        };
+
+        [TestCaseSource(nameof(Inequality))]
+        public void NotEqual(Channel expected, Symbol symbol, string channelName)
+        {
+            var actual = new Channel(channelName, symbol);
+            Assert.AreNotSame(expected, actual);
+            Assert.AreNotEqual(expected, actual);
+            Assert.AreNotEqual(expected.GetHashCode(), actual.GetHashCode());
+        }
+    }
+}