Fake GoldSource engine for unit testing Half-Life mods and plugins.
The implementation is in foolsgoldsource.cpp with foolsgoldsource/hlsdk containing the required headers definitions from the Half-Life SDK (with minimal changes to avoid having to recreate the whole directory structure).
The CLIENT_DLL guard is so that the server code can build without needing to know about the client code.
Import foolsgoldsource as a git submodule:
git submodule add https://github.com/tschumann/foolsgoldsource
Then include foolsgoldsource.cpp and foolsgoldsource.h as part of the project.
Include foolsgoldsource.h in your test files, and if you don't have a separate unit test project and are using Visual Studio C++ Unit tests you can include vscu_test.h as well to allow the tests to be run without breaking the .dll file.
foolsgoldsource.cpp instantiates a global variable whose constructor populates gEngfuncs, IEngineStudio, g_engfuncs and gpGlobals so that these SDK globals resolve in tests.
Open "Developer Powershell for VS"
Set-ExecutionPolicy -ExecutionPolicy Unrestricted -Scope Process
./test.ps1
The code in foolsgoldsource/hlsdk is from https://github.com/ValveSoftware/halflife and is covered by the license at https://github.com/ValveSoftware/halflife/blob/master/LICENSE