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local helpers = require('test.functional.helpers')(nil)
local spawn, set_session, meths, nvim_prog =
helpers.spawn, helpers.set_session, helpers.meths, helpers.nvim_prog
local write_file, merge_args = helpers.write_file, helpers.merge_args
local mpack = require('mpack')
local tmpname = helpers.tmpname()
local additional_cmd = ''
local function nvim_argv(shada_file)
local argv = {nvim_prog, '-u', 'NONE', '-i', shada_file or tmpname, '-N',
'--cmd', 'set shortmess+=I background=light noswapfile',
'--cmd', additional_cmd,
'--embed'}
if helpers.prepend_argv then
return merge_args(helpers.prepend_argv, argv)
else
return argv
end
end
local reset = function(shada_file)
set_session(spawn(nvim_argv(shada_file)))
meths.set_var('tmpname', tmpname)
end
local set_additional_cmd = function(s)
additional_cmd = s
end
local clear = function()
os.remove(tmpname)
set_additional_cmd('')
end
local get_shada_rw = function(fname)
local wshada = function(text)
write_file(fname, text, true)
end
local sdrcmd = function(bang)
return 'rshada' .. (bang and '!' or '') .. ' ' .. fname
end
local clean = function()
os.remove(fname)
local i = ('a'):byte()
while i <= ('z'):byte() do
if not os.remove(fname .. ('.tmp.%c'):format(i)) then
break
end
i = i + 1
end
end
return wshada, sdrcmd, fname, clean
end
local mpack_keys = {'type', 'timestamp', 'length', 'value'}
local read_shada_file = function(fname)
local fd = io.open(fname, 'r')
local mstring = fd:read('*a')
fd:close()
local unpack = mpack.Unpacker()
local ret = {}
local cur, val
local i = 0
local off = 1
while off <= #mstring do
val, off = unpack(mstring, off)
if i % 4 == 0 then
cur = {}
ret[#ret + 1] = cur
end
cur[mpack_keys[(i % 4) + 1]] = val
i = i + 1
end
return ret
end
return {
reset=reset,
set_additional_cmd=set_additional_cmd,
clear=clear,
get_shada_rw=get_shada_rw,
read_shada_file=read_shada_file,
}
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