wehub-resource-sync
118 lines
4.8 KiB
C#
118 lines
4.8 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 ClrBubbledExceptionInterpreterTests
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{
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private string _pythonModuleName = "Test_PythonExceptionInterpreter";
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private ClrBubbledException _dotnetException;
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private PythonException _pythonException;
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[OneTimeSetUp]
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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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var module = Py.Import(_pythonModuleName);
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dynamic algorithm = module.GetAttr("Test_PythonExceptionInterpreter").Invoke();
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try
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{
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// self.MarketOrder(null, 1)
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algorithm.dotnet_error();
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}
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catch (ClrBubbledException e)
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{
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_dotnetException = e;
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}
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try
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{
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// x = 1 / 0
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algorithm.zero_division_error();
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}
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catch (PythonException e)
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{
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_pythonException = e;
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}
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Assert.IsNotNull(_dotnetException);
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Assert.IsNotNull(_pythonException);
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}
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}
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[Test]
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[TestCase(typeof(Exception), ExpectedResult = false)]
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[TestCase(typeof(KeyNotFoundException), ExpectedResult = false)]
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[TestCase(typeof(DivideByZeroException), ExpectedResult = false)]
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[TestCase(typeof(InvalidOperationException), ExpectedResult = false)]
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[TestCase(typeof(PythonException), ExpectedResult = false)]
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[TestCase(typeof(ClrBubbledException), ExpectedResult = true)]
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public bool CanInterpretReturnsTrueOnlyForClrBubbledExceptionType(Type exceptionType)
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{
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var exception = CreateExceptionFromType(exceptionType);
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return new ClrBubbledExceptionInterpreter().CanInterpret(exception);
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}
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[Test]
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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), true)]
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[TestCase(typeof(ClrBubbledException), false)]
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public void InterpretThrowsForNonClrBubbledExceptionTypes(Type exceptionType, bool expectThrow)
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{
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var exception = CreateExceptionFromType(exceptionType);
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var interpreter = new ClrBubbledExceptionInterpreter();
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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(ClrBubbledException));
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var assembly = typeof(ClrBubbledExceptionInterpreter).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("Object reference not set to an instance of an object.", StringComparison.InvariantCulture));
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Assert.True(exception.Message.Contains("at dotnet_error", StringComparison.InvariantCulture));
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Assert.True(exception.Message.Contains("self.market_order(None", StringComparison.InvariantCulture));
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Assert.True(exception.Message.Contains($"in {_pythonModuleName}.py: line ", StringComparison.InvariantCulture));
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}
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private Exception CreateExceptionFromType(Type type)
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{
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if (type == typeof(ClrBubbledException))
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{
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return _dotnetException;
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}
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return type == typeof(PythonException) ? _pythonException : (Exception)Activator.CreateInstance(type);
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}
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}
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}
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