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local helpers = require('test.functional.helpers')(after_each)
local lfs = require('lfs')
local command, eq, neq, spawn, nvim_prog, set_session, write_file =
helpers.command, helpers.eq, helpers.neq, helpers.spawn,
helpers.nvim_prog, helpers.set_session, helpers.write_file
describe(':wshada', function()
local shada_file = 'wshada_test'
local session
before_each(function()
if session then
session:close()
end
-- Override the default session because we need 'swapfile' for these tests.
session = spawn({nvim_prog, '-u', 'NONE', '-i', '/dev/null', '--embed',
'--cmd', 'set swapfile'})
set_session(session)
os.remove(shada_file)
end)
it('creates a shada file', function()
-- file should _not_ exist
eq(nil, lfs.attributes(shada_file))
command('wsh! '..shada_file)
-- file _should_ exist
neq(nil, lfs.attributes(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, io.open(shada_file):read())
neq(nil, lfs.attributes(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)
teardown(function()
os.remove(shada_file)
end)
end)
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