wehub-resource-sync
84 lines
3.5 KiB
C#
84 lines
3.5 KiB
C#
/*
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* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
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* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using NUnit.Framework;
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using NUnit.Framework.Constraints;
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using Python.Runtime;
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using QuantConnect.Exceptions;
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using System;
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using System.Collections.Generic;
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namespace QuantConnect.Tests.Common.Exceptions
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{
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[TestFixture]
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public class InvalidTokenPythonExceptionInterpreterTests
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{
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private PythonException _pythonException;
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[SetUp]
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public void Setup()
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{
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using (Py.GIL())
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{
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try
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{
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// importing a module with syntax error 'x = 01' will throw
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PyModule.FromString(Guid.NewGuid().ToString(), "x = 01");
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}
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catch (PythonException pythonException)
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{
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_pythonException = pythonException;
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}
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}
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}
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[TestCase(typeof(Exception), false)]
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[TestCase(typeof(KeyNotFoundException), false)]
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[TestCase(typeof(DivideByZeroException), false)]
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[TestCase(typeof(InvalidOperationException), false)]
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[TestCase(typeof(PythonException), true)]
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public void CanInterpretReturnsTrueForOnlyInvalidTokenPythonExceptionType(Type exceptionType, bool expectedResult)
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{
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var exception = CreateExceptionFromType(exceptionType);
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Assert.AreEqual(expectedResult, new InvalidTokenPythonExceptionInterpreter().CanInterpret(exception), $"Unexpected response for: {exception}");
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}
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[TestCase(typeof(Exception), true)]
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[TestCase(typeof(KeyNotFoundException), true)]
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[TestCase(typeof(DivideByZeroException), true)]
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[TestCase(typeof(InvalidOperationException), true)]
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[TestCase(typeof(PythonException), false)]
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public void InterpretThrowsForNonInvalidTokenPythonExceptionTypes(Type exceptionType, bool expectThrow)
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{
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var exception = CreateExceptionFromType(exceptionType);
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var interpreter = new InvalidTokenPythonExceptionInterpreter();
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var constraint = expectThrow ? (IResolveConstraint)Throws.Exception : Throws.Nothing;
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Assert.That(() => interpreter.Interpret(exception, NullExceptionInterpreter.Instance), constraint);
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}
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[Test]
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public void VerifyMessageContainsStackTraceInformation()
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{
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var exception = CreateExceptionFromType(typeof(PythonException));
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var assembly = typeof(PythonExceptionInterpreter).Assembly;
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var interpreter = StackExceptionInterpreter.CreateFromAssemblies();
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exception = interpreter.Interpret(exception, NullExceptionInterpreter.Instance);
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Assert.True(exception.Message.Contains("x = 01"));
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}
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private Exception CreateExceptionFromType(Type type) => type == typeof(PythonException) ? _pythonException : (Exception)Activator.CreateInstance(type);
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}
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}
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