Testing UI in Lua?

[ggandor]

No description provided.

[rktjmp]

The Neovim source has a pretty extensive "screen checking" tool in their test suite.

Test checking screen highlights: https://github.com/neovim/neovim/blob/master/test/functional/ui/hlstate_spec.lua and you can check the cursor location too which probably covers most of what you need (+ selections, deletions which are just screen content).

I am not sure how practical it is to use without the nvim source tree though, at least without a maintenance headache. I would maybe run the tests in a docker instance that clones and sets up the env, hooking your code with a bind mount.

[ggandor]

Well, that's better than nothing, thanks for bringing it to my attention! I will definitely study that.