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 +1,83 @@
+/*
+ * 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 NUnit.Framework.Constraints;
+using Python.Runtime;
+using QuantConnect.Exceptions;
+using System;
+using System.Collections.Generic;
+
+namespace QuantConnect.Tests.Common.Exceptions
+{
+    [TestFixture]
+    public class InvalidTokenPythonExceptionInterpreterTests
+    {
+        private PythonException _pythonException;
+
+        [SetUp]
+        public void Setup()
+        {
+            using (Py.GIL())
+            {
+                try
+                {
+                    // importing a module with syntax error 'x = 01' will throw
+                    PyModule.FromString(Guid.NewGuid().ToString(), "x = 01");
+                }
+                catch (PythonException pythonException)
+                {
+                    _pythonException = pythonException;
+                }
+            }
+        }
+
+        [TestCase(typeof(Exception), false)]
+        [TestCase(typeof(KeyNotFoundException), false)]
+        [TestCase(typeof(DivideByZeroException), false)]
+        [TestCase(typeof(InvalidOperationException), false)]
+        [TestCase(typeof(PythonException), true)]
+        public void CanInterpretReturnsTrueForOnlyInvalidTokenPythonExceptionType(Type exceptionType, bool expectedResult)
+        {
+            var exception = CreateExceptionFromType(exceptionType);
+            Assert.AreEqual(expectedResult, new InvalidTokenPythonExceptionInterpreter().CanInterpret(exception), $"Unexpected response for: {exception}");
+        }
+
+        [TestCase(typeof(Exception), true)]
+        [TestCase(typeof(KeyNotFoundException), true)]
+        [TestCase(typeof(DivideByZeroException), true)]
+        [TestCase(typeof(InvalidOperationException), true)]
+        [TestCase(typeof(PythonException), false)]
+        public void InterpretThrowsForNonInvalidTokenPythonExceptionTypes(Type exceptionType, bool expectThrow)
+        {
+            var exception = CreateExceptionFromType(exceptionType);
+            var interpreter = new InvalidTokenPythonExceptionInterpreter();
+            var constraint = expectThrow ? (IResolveConstraint)Throws.Exception : Throws.Nothing;
+            Assert.That(() => interpreter.Interpret(exception, NullExceptionInterpreter.Instance), constraint);
+        }
+
+        [Test]
+        public void VerifyMessageContainsStackTraceInformation()
+        {
+            var exception = CreateExceptionFromType(typeof(PythonException));
+            var assembly = typeof(PythonExceptionInterpreter).Assembly;
+            var interpreter = StackExceptionInterpreter.CreateFromAssemblies();
+            exception = interpreter.Interpret(exception, NullExceptionInterpreter.Instance);
+            Assert.True(exception.Message.Contains("x = 01"));
+        }
+
+        private Exception CreateExceptionFromType(Type type) => type == typeof(PythonException) ? _pythonException : (Exception)Activator.CreateInstance(type);
+    }
+}