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local t = require('test.testutil')
local n = require('test.functional.testnvim')()
local clear = n.clear
local command, eq, neq, write_file = n.command, t.eq, t.neq, t.write_file
local read_file = t.read_file
local is_os = t.is_os
describe(':wshada', function()
local shada_file = 'wshada_test'
before_each(function()
clear {
args = {
'-i',
is_os('win') and 'nul' or '/dev/null',
-- Need 'swapfile' for these tests.
'--cmd',
'set swapfile undodir=. directory=. viewdir=. backupdir=. belloff= noshowcmd noruler',
},
args_rm = { '-n', '-i', '--cmd' },
}
end)
after_each(function()
os.remove(shada_file)
end)
it('creates a shada file', function()
-- file should _not_ exist
eq(nil, vim.uv.fs_stat(shada_file))
command('wsh! ' .. shada_file)
-- file _should_ exist
neq(nil, vim.uv.fs_stat(shada_file))
end)
it('overwrites existing files', function()
local text = 'wshada test'
-- Create a dummy file
write_file(shada_file, text)
-- sanity check
eq(text, read_file(shada_file))
neq(nil, vim.uv.fs_stat(shada_file))
command('wsh! ' .. shada_file)
-- File should have been overwritten with a shada file.
local fp = io.open(shada_file, 'r')
local char1 = fp:read(1)
fp:close()
-- ShaDa file starts with a “header” entry
assert(char1:byte() == 0x01, shada_file .. ' should be a shada file')
end)
end)
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