neovim/test/functional/core/fileio_spec.lua
Justin M. Keyes 77cb14cc6d API: nvim__stats()
Use it to verify fsync() behavior.
2018-04-24 00:44:06 +02:00

69 lines
2.1 KiB
Lua

local helpers = require('test.functional.helpers')(after_each)
local clear = helpers.clear
local command = helpers.command
local eq = helpers.eq
local feed = helpers.feed
local funcs = helpers.funcs
local nvim_prog = helpers.nvim_prog
local request = helpers.request
local retry = helpers.retry
local rmdir = helpers.rmdir
local sleep = helpers.sleep
describe('fileio', function()
before_each(function()
end)
after_each(function()
command(':qall!')
os.remove('Xtest_startup_shada')
os.remove('Xtest_startup_file1')
os.remove('Xtest_startup_file2')
rmdir('Xtest_startup_swapdir')
end)
it('fsync() codepaths #8304', function()
clear({ args={ '-i', 'Xtest_startup_shada',
'--cmd', 'set directory=Xtest_startup_swapdir' } })
-- These cases ALWAYS force fsync (regardless of 'fsync' option):
-- 1. Idle (CursorHold) with modified buffers (+ 'swapfile').
command('write Xtest_startup_file1')
feed('ifoo<esc>h')
command('write')
eq(0, request('nvim__stats').fsync) -- 'nofsync' is the default.
command('set swapfile')
command('set updatetime=1')
feed('izub<esc>h') -- File is 'modified'.
sleep(3) -- Allow 'updatetime' to expire.
retry(3, nil, function()
eq(1, request('nvim__stats').fsync)
end)
command('set updatetime=9999')
-- 2. Exit caused by deadly signal (+ 'swapfile').
local j = funcs.jobstart({ nvim_prog, '-u', 'NONE', '-i',
'Xtest_startup_shada', '--headless',
'-c', 'set swapfile',
'-c', 'write Xtest_startup_file2',
'-c', 'put =localtime()', })
sleep(10) -- Let Nvim start.
funcs.jobstop(j) -- Send deadly signal.
-- 3. SIGPWR signal.
-- ??
-- 4. Explicit :preserve command.
command('preserve')
eq(2, request('nvim__stats').fsync)
-- 5. Enable 'fsync' option, write file.
command('set fsync')
feed('ibaz<esc>h')
command('write')
eq(4, request('nvim__stats').fsync)
end)
end)