UnrealEngine/Engine/Source/Programs/UnrealVS/Unreal.TestAdapter/ReadMe.md

#Things to know

• dll must be called XXX.TestAdapter.dll. VS looks for dll's with this pattern.

• source.extension.vsixmanifest has a reference to this project. that does the deployment of the dll. Under Assets with a type of UnitTestExtension

• TestDiscoverer relies on a file called (exe).is_unreal_test existing. The TestTargetRules currently outputs this file The reason for this is to quickly identify text executables. Another option would be add a special string into the exe and then look for it in the binary

#Debugging

Easiest way to debug the TestDisoverer or the TestExecutor by adding System.Diagnostics.Debugger.Launch(); to DiscoverTests or RunTests respectively.