neovim/test/functional/editor/ctrl_c_spec.lua
zeertzjq cf3b871fa9
test: use poke_eventloop() instead of sleep(10) where possible (#19794)
Using sleep(10) to wait for typeahead to finish is flaky, especially on
macOS, where legacy/global_spec.lua has failed several times.
2022-08-16 15:21:46 +08:00

93 lines
2.9 KiB
Lua

local helpers = require('test.functional.helpers')(after_each)
local Screen = require('test.functional.ui.screen')
local clear, feed, source = helpers.clear, helpers.feed, helpers.source
local command = helpers.command
local poke_eventloop = helpers.poke_eventloop
local sleep = helpers.sleep
describe("CTRL-C (mapped)", function()
local screen
before_each(function()
clear()
screen = Screen.new(52, 6)
screen:attach()
end)
it("interrupts :global", function()
-- Crashes luajit.
if helpers.skip_fragile(pending) then
return
end
source([[
set nomore nohlsearch undolevels=-1
nnoremap <C-C> <NOP>
]])
command("silent edit! test/functional/fixtures/bigfile.txt")
screen:expect([[
^0000;<control>;Cc;0;BN;;;;;N;NULL;;;; |
0001;<control>;Cc;0;BN;;;;;N;START OF HEADING;;;; |
0002;<control>;Cc;0;BN;;;;;N;START OF TEXT;;;; |
0003;<control>;Cc;0;BN;;;;;N;END OF TEXT;;;; |
0004;<control>;Cc;0;BN;;;;;N;END OF TRANSMISSION;;;;|
|
]])
local function test_ctrl_c(ms)
feed(":global/^/p<CR>")
screen:sleep(ms)
feed("<C-C>")
screen:expect{any="Interrupt"}
end
-- The test is time-sensitive. Try different sleep values.
local ms_values = {100, 1000, 10000}
for i, ms in ipairs(ms_values) do
if i < #ms_values then
local status, _ = pcall(test_ctrl_c, ms)
if status then break end
else -- Call the last attempt directly.
test_ctrl_c(ms)
end
end
end)
it('interrupts :sleep', function()
command('nnoremap <C-C> <Nop>')
feed(':sleep 100<CR>')
poke_eventloop() -- wait for :sleep to start
feed('foo<C-C>')
poke_eventloop() -- wait for input buffer to be flushed
feed('i')
screen:expect([[
^ |
~ |
~ |
~ |
~ |
-- INSERT -- |
]])
end)
it('interrupts recursive mapping', function()
command('nnoremap <C-C> <Nop>')
command('nmap <F2> <Ignore><F2>')
feed('<F2>')
sleep(10) -- wait for the key to enter typeahead
feed('foo<C-C>')
poke_eventloop() -- wait for input buffer to be flushed
feed('i')
screen:expect([[
^ |
~ |
~ |
~ |
~ |
-- INSERT -- |
]])
end)
end)