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local helpers = require('test.functional.helpers')(nil)
local meths = helpers.meths
local write_file = helpers.write_file
local concat_tables = helpers.concat_tables
local mpack = require('mpack')
local tmpname = helpers.tmpname()
-- o={
-- args=…,
-- args_rm=…,
-- shadafile=…,
-- }
local function reset(o)
assert(o == nil or type(o) == 'table' or type(o) == 'string')
o = o and o or {}
local args_rm = o.args_rm or {}
table.insert(args_rm, '-i')
local args={
'-i', o.shadafile or tmpname,
}
if type(o) == 'string' then
args = concat_tables(args, {'--cmd', o})
elseif o.args then
args = concat_tables(args, o.args)
end
helpers.clear{
args_rm=args_rm,
args=args,
}
meths.set_var('tmpname', tmpname)
end
local clear = function()
os.remove(tmpname)
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,
clear=clear,
get_shada_rw=get_shada_rw,
read_shada_file=read_shada_file,
}
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