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-- Sanity checks for vim_* API calls via msgpack-rpc
local helpers = require('test.functional.helpers')
local clear, nvim, eq, neq, ok = helpers.clear, helpers.nvim, helpers.eq, helpers.neq, helpers.ok
describe('vim_* functions', function()
before_each(clear)
describe('command', function()
it('works', function()
local fname = os.tmpname()
nvim('command', 'new')
nvim('command', 'edit '..fname)
nvim('command', 'normal itesting\napi')
nvim('command', 'w')
local f = io.open(fname)
ok(f ~= nil)
eq('testing\napi\n', f:read('*a'))
f:close()
os.remove(fname)
end)
end)
describe('eval', function()
it('works', function()
nvim('command', 'let g:v1 = "a"')
nvim('command', 'let g:v2 = [1, 2, {"v3": 3}]')
eq({v1 = 'a', v2 = {1, 2, {v3 = 3}}}, nvim('eval', 'g:'))
end)
end)
describe('strwidth', function()
it('works', function()
eq(3, nvim('strwidth', 'abc'))
-- 6 + (neovim)
-- 19 * 2 (each japanese character occupies two cells)
eq(44, nvim('strwidth', 'neovimのデザインかなりまともなのになってる。'))
end)
it('cannot handle NULs', function()
eq(0, nvim('strwidth', '\0abc'))
end)
end)
describe('{get,set}_current_line', function()
it('works', function()
eq('', nvim('get_current_line'))
nvim('set_current_line', 'abc')
eq('abc', nvim('get_current_line'))
end)
end)
describe('{get,set}_var', function()
it('works', function()
nvim('set_var', 'lua', {1, 2, {['3'] = 1}})
eq({1, 2, {['3'] = 1}}, nvim('get_var', 'lua'))
eq({1, 2, {['3'] = 1}}, nvim('eval', 'g:lua'))
end)
it('truncates values with NULs in them', function()
nvim('set_var', 'xxx', 'ab\0cd')
eq('ab', nvim('get_var', 'xxx'))
end)
end)
describe('{get,set}_option', function()
it('works', function()
ok(nvim('get_option', 'equalalways'))
nvim('set_option', 'equalalways', false)
ok(not nvim('get_option', 'equalalways'))
end)
end)
describe('{get,set}_current_buffer and get_buffers', function()
it('works', function()
eq(1, #nvim('get_buffers'))
eq(nvim('get_buffers')[1], nvim('get_current_buffer'))
nvim('command', 'new')
eq(2, #nvim('get_buffers'))
eq(nvim('get_buffers')[2], nvim('get_current_buffer'))
nvim('set_current_buffer', nvim('get_buffers')[1])
eq(nvim('get_buffers')[1], nvim('get_current_buffer'))
end)
end)
describe('{get,set}_current_window and get_windows', function()
it('works', function()
eq(1, #nvim('get_windows'))
eq(nvim('get_windows')[1], nvim('get_current_window'))
nvim('command', 'vsplit')
nvim('command', 'split')
eq(3, #nvim('get_windows'))
eq(nvim('get_windows')[1], nvim('get_current_window'))
nvim('set_current_window', nvim('get_windows')[2])
eq(nvim('get_windows')[2], nvim('get_current_window'))
end)
end)
describe('{get,set}_current_tabpage and get_tabpages', function()
it('works', function()
eq(1, #nvim('get_tabpages'))
eq(nvim('get_tabpages')[1], nvim('get_current_tabpage'))
nvim('command', 'tabnew')
eq(2, #nvim('get_tabpages'))
eq(2, #nvim('get_windows'))
eq(nvim('get_windows')[2], nvim('get_current_window'))
eq(nvim('get_tabpages')[2], nvim('get_current_tabpage'))
nvim('set_current_window', nvim('get_windows')[1])
-- Switching window also switches tabpages if necessary
eq(nvim('get_tabpages')[1], nvim('get_current_tabpage'))
eq(nvim('get_windows')[1], nvim('get_current_window'))
nvim('set_current_tabpage', nvim('get_tabpages')[2])
eq(nvim('get_tabpages')[2], nvim('get_current_tabpage'))
eq(nvim('get_windows')[2], nvim('get_current_window'))
end)
end)
describe('replace_termcodes', function()
it('escapes K_SPECIAL as K_SPECIAL KS_SPECIAL KE_FILLER', function()
eq(helpers.nvim('replace_termcodes', '\x80', true, true, true), '\x80\xfeX')
end)
it('leaves non K_SPECIAL string unchanged', function()
eq(helpers.nvim('replace_termcodes', 'abc', true, true, true), 'abc')
end)
it('converts <expressions>', function()
eq(helpers.nvim('replace_termcodes', '<Leader>', true, true, true), '\\')
end)
end)
describe('feedkeys', function()
it('CSI escaping', function()
local function on_setup()
-- notice the special char(…) \xe2\80\xa6
nvim('feedkeys', ':let x1="…"\n', '', true)
-- Both replace_termcodes and feedkeys escape \x80
local inp = helpers.nvim('replace_termcodes', ':let x2="…"<CR>', true, true, true)
nvim('feedkeys', inp, '', true)
-- Disabling CSI escaping in feedkeys
inp = helpers.nvim('replace_termcodes', ':let x3="…"<CR>', true, true, true)
nvim('feedkeys', inp, '', false)
helpers.stop()
end
-- spin the loop a bit
helpers.run(nil, nil, on_setup)
eq(nvim('get_var', 'x1'), '…')
-- Because of the double escaping this is neq
neq(nvim('get_var', 'x2'), '…')
eq(nvim('get_var', 'x3'), '…')
end)
end)
it('can throw exceptions', function()
local status, err = pcall(nvim, 'get_option', 'invalid-option')
eq(false, status)
ok(err:match('Invalid option name') ~= nil)
end)
end)
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