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local helpers, lfs = require('test.functional.helpers'), require('lfs')
local clear, execute, eq, neq, spawn, nvim_prog, set_session, wait =
helpers.clear, helpers.execute, helpers.eq, helpers.neq, helpers.spawn,
helpers.nvim_prog, helpers.set_session, helpers.wait
-- Lua does not have a sleep function so we use the system command. If the
-- command does not support sub second precision we use math.floor() to get
-- full seconds.
local sleep = function(millisec)
local sec = millisec / 1000
local round = math.floor(sec)
if round == 0 then round = 1 end
os.execute('sleep '..sec..' || sleep '..round)
end
describe(':wviminfo', function()
local file = 'foo'
before_each(function()
clear()
os.remove(file)
end)
it('creates a file', function()
-- TODO
-- Set up the nvim session to be able to write viminfo files. Is it
-- possible to do this outside of the it() call?
local nvim2 = spawn({nvim_prog, '-u', 'NONE', '--embed'})
--local nvim2 = spawn({nvim_prog, '-u', 'NONE', '--embed', '--cmd', 'let hans=42' })
set_session(nvim2)
--eq(43, eval('hans'))
-- Assert that the file does not exist.
eq(nil, lfs.attributes(file))
execute('wv! '..file)
wait()
-- Assert that the file does exist.
neq(nil, lfs.attributes(file))
end)
it('overwrites existing files', function()
-- TODO see above
local nvim2 = spawn({nvim_prog, '-u', 'NONE', '--embed'})
set_session(nvim2)
local text = 'foo test'
local fp = io.open(file, 'w')
fp:write(text)
fp:flush()
fp:close()
-- Assert that the file already exists.
neq(nil, lfs.attributes(file))
execute('wv! '..file)
wait()
-- Assert that the contents of the file changed.
neq(text, io.open(file):read())
end)
teardown(function()
os.remove(file)
end)
end)
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