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-- Other ShaDa tests
local helpers = require('test.functional.helpers')
local nvim, nvim_window, nvim_curwin, nvim_command, nvim_feed, nvim_eval, eq =
helpers.nvim, helpers.window, helpers.curwin, helpers.command, helpers.feed,
helpers.eval, helpers.eq
local write_file, spawn, set_session, nvim_prog, exc_exec =
helpers.write_file, helpers.spawn, helpers.set_session, helpers.nvim_prog,
helpers.exc_exec
local lfs = require('lfs')
local paths = require('test.config.paths')
local msgpack = require('MessagePack')
local shada_helpers = require('test.functional.shada.helpers')
local reset, set_additional_cmd, clear, get_shada_rw =
shada_helpers.reset, shada_helpers.set_additional_cmd,
shada_helpers.clear, shada_helpers.get_shada_rw
local read_shada_file = shada_helpers.read_shada_file
local wshada, sdrcmd, shada_fname, clean = get_shada_rw('Xtest-functional-shada-shada.shada')
describe('ShaDa support code', function()
before_each(reset)
after_each(function()
clear()
clean()
end)
it('preserves `s` item size limit with unknown entries', function()
wshada('\100\000\207\000\000\000\000\000\000\004\000\218\003\253' .. ('-'):rep(1024 - 3)
.. '\100\000\207\000\000\000\000\000\000\004\001\218\003\254' .. ('-'):rep(1025 - 3))
eq(0, exc_exec('wshada ' .. shada_fname))
local found = 0
for _, v in ipairs(read_shada_file(shada_fname)) do
if v.type == 100 then
found = found + 1
end
end
eq(2, found)
eq(0, exc_exec('set shada-=s10 shada+=s1'))
eq(0, exc_exec('wshada ' .. shada_fname))
found = 0
for _, v in ipairs(read_shada_file(shada_fname)) do
if v.type == 100 then
found = found + 1
end
end
eq(1, found)
end)
it('preserves `s` item size limit with instance history entries', function()
local hist1 = ('-'):rep(1024 - 5)
local hist2 = ('-'):rep(1025 - 5)
nvim_command('set shada-=s10 shada+=s1')
nvim_eval(('histadd(":", "%s")'):format(hist1))
nvim_eval(('histadd(":", "%s")'):format(hist2))
eq(0, exc_exec('wshada ' .. shada_fname))
local found = 0
for _, v in ipairs(read_shada_file(shada_fname)) do
if v.type == 4 then
found = found + 1
eq(hist1, v.value[2])
end
end
eq(1, found)
end)
it('leaves .tmp.a in-place when there is error in original ShaDa', function()
wshada('Some text file')
eq('Vim(wshada):E576: Error while reading ShaDa file: last entry specified that it occupies 109 bytes, but file ended earlier', exc_exec('wshada ' .. shada_fname))
eq(1, read_shada_file(shada_fname .. '.tmp.a')[1].type)
end)
it('does not leave .tmp.a in-place when there is error in original ShaDa, but writing with bang', function()
wshada('Some text file')
eq(0, exc_exec('wshada! ' .. shada_fname))
eq(1, read_shada_file(shada_fname)[1].type)
eq(nil, lfs.attributes(shada_fname .. '.tmp.a'))
end)
it('leaves .tmp.b in-place when there is error in original ShaDa and it has .tmp.a', function()
wshada('Some text file')
eq('Vim(wshada):E576: Error while reading ShaDa file: last entry specified that it occupies 109 bytes, but file ended earlier', exc_exec('wshada ' .. shada_fname))
eq('Vim(wshada):E576: Error while reading ShaDa file: last entry specified that it occupies 109 bytes, but file ended earlier', exc_exec('wshada ' .. shada_fname))
eq(1, read_shada_file(shada_fname .. '.tmp.a')[1].type)
eq(1, read_shada_file(shada_fname .. '.tmp.b')[1].type)
end)
it('leaves .tmp.z in-place when there is error in original ShaDa and it has .tmp.a … .tmp.x', function()
wshada('Some text file')
local i = ('a'):byte()
while i < ('z'):byte() do
write_file(shada_fname .. ('.tmp.%c'):format(i), 'Some text file', true)
i = i + 1
end
eq('Vim(wshada):E576: Error while reading ShaDa file: last entry specified that it occupies 109 bytes, but file ended earlier', exc_exec('wshada ' .. shada_fname))
eq(1, read_shada_file(shada_fname .. '.tmp.z')[1].type)
end)
it('errors out when there are .tmp.a … .tmp.z ShaDa files', function()
wshada('')
local i = ('a'):byte()
while i <= ('z'):byte() do
write_file(shada_fname .. ('.tmp.%c'):format(i), '', true)
i = i + 1
end
eq('Vim(wshada):E138: All Xtest-functional-shada-shada.shada.tmp.X files exist, cannot write ShaDa file!', exc_exec('wshada ' .. shada_fname))
end)
it('reads correctly various timestamps', function()
local mpack = {
'\100', -- Positive fixnum 100
'\204\255', -- uint 8 255
'\205\010\003', -- uint 16 2563
'\206\255\010\030\004', -- uint 32 4278853124
'\207\005\100\060\250\255\010\030\004', -- uint 64 388502516579048964
}
local s = '\100'
local e = '\001\192'
wshada(s .. table.concat(mpack, e .. s) .. e)
eq(0, exc_exec('wshada ' .. shada_fname))
local found = 0
local typ = select(2, msgpack.unpacker(s)())
for _, v in ipairs(read_shada_file(shada_fname)) do
if v.type == typ then
found = found + 1
eq(select(2, msgpack.unpacker(mpack[found])()), v.timestamp)
end
end
eq(#mpack, found)
end)
it('does not write NONE file', function()
local session = spawn({nvim_prog, '-u', 'NONE', '-i', 'NONE', '--embed',
'--cmd', 'qall'}, true)
session:exit(0)
eq(nil, lfs.attributes('NONE'))
eq(nil, lfs.attributes('NONE.tmp.a'))
end)
it('does not read NONE file', function()
write_file('NONE', '\005\001\015\131\161na\162rX\194\162rc\145\196\001-')
local session = spawn({nvim_prog, '-u', 'NONE', '-i', 'NONE', '--embed'},
true)
set_session(session)
eq('', nvim_eval('@a'))
session:exit(0)
os.remove('NONE')
end)
it('correctly uses shada-r option', function()
nvim('set_var', '__home', paths.test_source_path)
nvim_command('let $HOME = __home')
nvim_command('unlet __home')
nvim_command('edit ~/README.md')
nvim_command('normal! GmAggmaAabc')
nvim_command('undo')
nvim_command('set shada+=%')
nvim_command('wshada! ' .. shada_fname)
local marklike = {[7]=true, [8]=true, [10]=true, [11]=true}
local readme_fname = paths.test_source_path .. '/README.md'
local find_readme = function()
local found = {}
for _, v in ipairs(read_shada_file(shada_fname)) do
if marklike[v.type] and v.value.f == readme_fname then
found[v.type] = (found[v.type] or 0) + 1
elseif v.type == 9 then
for _, b in ipairs(v.value) do
if b.f == readme_fname then
found[v.type] = (found[v.type] or 0) + 1
end
end
end
end
return found
end
eq({[7]=1, [8]=2, [9]=1, [10]=4, [11]=1}, find_readme())
nvim_command('set shada+=r~')
nvim_command('wshada! ' .. shada_fname)
eq({}, find_readme())
nvim_command('set shada-=r~')
nvim_command('wshada! ' .. shada_fname)
eq({[7]=1, [8]=2, [9]=1, [10]=4, [11]=1}, find_readme())
nvim_command('set shada+=r' .. paths.test_source_path)
nvim_command('wshada! ' .. shada_fname)
eq({}, find_readme())
end)
end)
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