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local helpers = require('test.functional.helpers')(after_each)
local Screen = require('test.functional.ui.screen')
local clear = helpers.clear
local eq = helpers.eq
local eval = helpers.eval
local meths = helpers.meths
local request = helpers.request
local pcall_err = helpers.pcall_err
local command = helpers.command
describe('nvim_ui_attach()', function()
before_each(function()
clear()
end)
it('handles very large width/height #2180', function()
local screen = Screen.new(999, 999)
screen:attach()
eq(999, eval('&lines'))
eq(999, eval('&columns'))
end)
it('invalid option returns error', function()
eq('No such UI option: foo',
pcall_err(meths.ui_attach, 80, 24, { foo={'foo'} }))
end)
it('validates channel arg', function()
eq('UI not attached to channel: 1',
pcall_err(request, 'nvim_ui_try_resize', 40, 10))
eq('UI not attached to channel: 1',
pcall_err(request, 'nvim_ui_set_option', 'rgb', true))
eq('UI not attached to channel: 1',
pcall_err(request, 'nvim_ui_detach'))
local screen = Screen.new()
screen:attach({rgb=false})
eq('UI already attached to channel: 1',
pcall_err(request, 'nvim_ui_attach', 40, 10, { rgb=false }))
end)
it('autocmds UIAttach/Detach set v:event', function()
local screen = Screen.new()
command('autocmd UIAttach * :let g:ui_attach_v_event = deepcopy(v:event)')
command('autocmd UIDetach * :let g:ui_detach_v_event = deepcopy(v:event)')
screen:attach()
assert.same({chan=1}, eval('g:ui_attach_v_event'))
screen:detach()
assert.same({chan=1}, eval('g:ui_detach_v_event'))
end)
end)
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