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 +1,80 @@
+/*
+ * 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 NUnit.Framework;
+using QuantConnect.Exceptions;
+using QuantConnect.Logging;
+
+namespace QuantConnect.Tests.Common.Exceptions
+{
+    [TestFixture]
+    public class SystemExceptionInterpreterTests
+    {
+        [Test]
+        public void InterpreterCorrectly()
+        {
+            var result = SystemExceptionInterpreter.TryGetLineAndFile(@"   at QuantConnect.Algorithm.CSharp.BasicTemplateAlgorithm.Initialize() in D:\QuantConnect\MyLean\Lean\Algorithm.CSharp\BasicTemplateAlgorithm.cs:line 50
+   at QuantConnect.Lean.Engine.Setup.BacktestingSetupHandler.<>c__DisplayClass27_0.<Setup>b__0() in D:\QuantConnect\MyLean\Lean\Engine\Setup\BacktestingSetupHandler.cs:line 186
+", out var fileAndLine);
+
+            Assert.IsTrue(result);
+            Assert.AreEqual(" in BasicTemplateAlgorithm.cs:line 50", fileAndLine);
+        }
+
+        [Test]
+        public void CleanupStacktrace()
+        {
+            var interpreter = new SystemExceptionInterpreter();
+
+            var message = "The ticker AAPL was not found in the SymbolCache. Use the Symbol object as key instead. Accessing the securities collection/slice object by string ticker is only available for" +
+                " securities added with the AddSecurity-family methods. For more details, please check out the documentation.";
+            var stackTrace = "   at QuantConnect.ExtendedDictionary`1.get_Item(String ticker) in D:\\QuantConnect\\MyLean\\Lean\\Common\\ExtendedDictionary.cs:line 121\r\n   at QuantConnect.Algorithm.CSh" +
+                "arp.BasicTemplateAlgorithm.OnData(Slice data) in D:\\QuantConnect\\MyLean\\Lean\\Algorithm.CSharp\\BasicTemplateAlgorithm.cs:line 58\r\n   at QuantConnect.Lean.Engine.AlgorithmManager.R" +
+                "un(AlgorithmNodePacket job, IAlgorithm algorithm, ISynchronizer synchronizer, ITransactionHandler transactions, IResultHandler results, IRealTimeHandler realtime, ILeanManager leanMana" +
+                "ger, CancellationToken token) in D:\\QuantConnect\\MyLean\\Lean\\Engine\\AlgorithmManager.cs:line 525";
+            var result = interpreter.Interpret(new TestException(message, stackTrace), null);
+
+            Assert.AreEqual("   at QuantConnect.ExtendedDictionary`1.get_Item(String ticker) in Common\\ExtendedDictionary.cs:line 121\r\n   at QuantConnect.Algorithm.CSharp.BasicTemplateAlgorithm.OnData(" +
+                "Slice data) in Algorithm.CSharp\\BasicTemplateAlgorithm.cs:line 58\r\n   at QuantConnect.Lean.Engine.AlgorithmManager.Run(AlgorithmNodePacket job, IAlgorithm algorithm, ISynchronizer sync" +
+                "hronizer, ITransactionHandler transactions, IResultHandler results, IRealTimeHandler realtime, ILeanManager leanManager, CancellationToken token) in Engine\\AlgorithmManager.cs:line 525", result.InnerException.StackTrace);
+        }
+
+        [TestCase("")]
+        [TestCase(null)]
+        public void CleanupStackTraceHandles(string stackTrace)
+        {
+            var interpreter = new SystemExceptionInterpreter();
+            var result = interpreter.Interpret(new TestException("Message", stackTrace), null);
+
+            Assert.IsNull(result.InnerException);
+        }
+
+        private class TestException : Exception
+        {
+            private readonly string _message;
+            private readonly string _stackTrace;
+
+            public override string Message => _message;
+            public override string StackTrace => _stackTrace;
+
+            public TestException(string message, string stackTrace)
+            {
+                _message = message;
+                _stackTrace = Log.ClearLeanPaths(stackTrace);
+            }
+        }
+    }
+}