Debugging xUnit tests in .NET Core and Visual Studio Code

Question

I'm on a Mac, running .NET Core 1.0 and Visual Studio Code.

I have a console project and a test project. I have setup launch.json so that I can debug the console project.

How do I set up a launch configuration that launches my unit tests and attaches the debugger?

Answer 1

If you install the latest software and library, it is super easy to debug:

As you can see from the screenshot, just click "debug test" and debug it!

Answer 2

See Tyler Long's answer. The steps below are not required in the newest versions of Visual Studio Code :)

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I made a repository to demonstrate.

First off, the only way I could get the debugger to hit the test was to add a file, Program.cs, take control of the entry point from xUnit, and manually add code to test. It's not ideal, but I imagine you aren't going to be doing this very often, and it's easy to flip it back to normal.

Program.cs:

using System; namespace XUnitDebugging {     public class Program     {         public static void Main(string[] args)         {             var test = new TestClass();             test.PassingTest();             Console.WriteLine("Enter text...");             Console.ReadLine();          }     } } 

Next, in project.json add the following:

  "buildOptions": {     "emitEntryPoint": true,     "debugType": "portable"   }, 

project.json:

{   "version": "1.0.0-*",   "testRunner": "xunit",   "buildOptions": {     "emitEntryPoint": true,     "debugType": "portable"   },   "dependencies": {     "Microsoft.NETCore.App": {       "type": "platform",       "version": "1.0.0"     },     "xunit": "2.2.0-beta2-build3300",     "dotnet-test-xunit": "2.2.0-preview2-build1029"   },   "frameworks": {     "netcoreapp1.0": {       "dependencies": {         "Microsoft.NETCore.App": {           "type": "platform",           "version": "1.0.0"         }       }     }   } } 

This will allow you to debug an xUnit unit test project.