Sandbox::https://github.com/pythonnet/pythonnet/blob/master/src/embed

Repository navigation

23 lines (21 loc) · 864 Bytes

using System;

using NUnit.Framework;

using Python.Runtime;

namespace Python.EmbeddingTest {

public class TestCallbacks {

[Test]

public void TestNoOverloadException() {

int passed = 0;

var aFunctionThatCallsIntoPython = new Action<int>(value => passed = value);

using (Py.GIL()) {

using dynamic callWith42 = PythonEngine.Eval("lambda f: f([42])");

using var pyFunc = aFunctionThatCallsIntoPython.ToPython();

var error = Assert.Throws<PythonException>(() => callWith42(pyFunc));

Assert.That(error.Type.Name, Is.EqualTo("TypeError"));

string expectedArgTypes = "(<class 'list'>)";

StringAssert.EndsWith(expectedArgTypes, error.Message);

error.Traceback.Dispose();

}