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feat(ui): restore has('gui_running')

Browse Source 
Problem:
has('gui_running') is still common in the wild and our answer has
changed over time, causing frustration.
95a6ccbe9f

Solution:
Use stdin_tty/stdout_tty to decide if a UI is (not) a GUI.
This commit is contained in:
Justin M. Keyes
2023-02-27 16:31:05 +01:00
parent 7f424e2b65
commit ce597235a2
8 changed files with 43 additions and 9 deletions
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21
test/functional/vimscript/has_spec.lua
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@@ -1,8 +1,11 @@
local helpers = require('test.functional.helpers')(after_each)
local eq = helpers.eq
local Screen = require('test.functional.ui.screen')
local clear = helpers.clear
local connect = helpers.connect
local eq = helpers.eq
local funcs = helpers.funcs
local is_os = helpers.is_os
local nvim_prog = helpers.nvim_prog
describe('has()', function()
before_each(clear)
@@ -69,8 +72,22 @@ describe('has()', function()
end
end)
it('"gui_running"', function()
eq(0, funcs.has('gui_running'))
local tui = Screen.new(50,15)
local gui_session = connect(funcs.serverstart())
local gui = Screen.new(50,15)
eq(0, funcs.has('gui_running'))
tui:attach({ext_linegrid=true, rgb=true, stdin_tty=true, stdout_tty=true})
gui:attach({ext_multigrid=true, rgb=true}, gui_session)
eq(1, funcs.has('gui_running'))
tui:detach()
eq(1, funcs.has('gui_running'))
gui:detach()
eq(0, funcs.has('gui_running'))
end)
it('does not change v:shell_error', function()
local nvim_prog = helpers.nvim_prog
funcs.system({nvim_prog, '-es', '+73cquit'})
funcs.has('python3') -- use a call whose implementation shells out
eq(73, funcs.eval('v:shell_error'))