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-- Test suite for checking :lua* commands
local helpers = require('test.functional.helpers')(after_each)
local eq = helpers.eq
local NIL = helpers.NIL
local clear = helpers.clear
local meths = helpers.meths
local funcs = helpers.funcs
local source = helpers.source
local dedent = helpers.dedent
local exc_exec = helpers.exc_exec
local redir_exec = helpers.redir_exec
local curbufmeths = helpers.curbufmeths
before_each(clear)
describe(':lua command', function()
it('works', function()
eq('', redir_exec(
'lua vim.api.nvim_buf_set_lines(1, 1, 2, false, {"TEST"})'))
eq({'', 'TEST'}, curbufmeths.get_lines(0, 100, false))
source(dedent([[
lua << EOF
vim.api.nvim_buf_set_lines(1, 1, 2, false, {"TSET"})
EOF]]))
eq({'', 'TSET'}, curbufmeths.get_lines(0, 100, false))
source(dedent([[
lua << EOF
vim.api.nvim_buf_set_lines(1, 1, 2, false, {"SETT"})]]))
eq({'', 'SETT'}, curbufmeths.get_lines(0, 100, false))
source(dedent([[
lua << EOF
vim.api.nvim_buf_set_lines(1, 1, 2, false, {"ETTS"})
vim.api.nvim_buf_set_lines(1, 2, 3, false, {"TTSE"})
vim.api.nvim_buf_set_lines(1, 3, 4, false, {"STTE"})
EOF]]))
eq({'', 'ETTS', 'TTSE', 'STTE'}, curbufmeths.get_lines(0, 100, false))
end)
it('throws catchable errors', function()
eq([[Vim(lua):E5104: Error while creating lua chunk: [string "<VimL compiled string>"]:1: unexpected symbol near ')']],
exc_exec('lua ()'))
eq([[Vim(lua):E5105: Error while calling lua chunk: [string "<VimL compiled string>"]:1: TEST]],
exc_exec('lua error("TEST")'))
eq([[Vim(lua):E5105: Error while calling lua chunk: [string "<VimL compiled string>"]:1: Invalid buffer id]],
exc_exec('lua vim.api.nvim_buf_set_lines(-10, 1, 1, false, {"TEST"})'))
eq({''}, curbufmeths.get_lines(0, 100, false))
end)
it('accepts embedded NLs without heredoc', function()
-- Such code is usually used for `:execute 'lua' {generated_string}`:
-- heredocs do not work in this case.
meths.command([[
lua
vim.api.nvim_buf_set_lines(1, 1, 2, false, {"ETTS"})
vim.api.nvim_buf_set_lines(1, 2, 3, false, {"TTSE"})
vim.api.nvim_buf_set_lines(1, 3, 4, false, {"STTE"})
]])
eq({'', 'ETTS', 'TTSE', 'STTE'}, curbufmeths.get_lines(0, 100, false))
end)
it('preserves global and not preserves local variables', function()
eq('', redir_exec('lua gvar = 42'))
eq('', redir_exec('lua local lvar = 100500'))
eq(NIL, funcs.luaeval('lvar'))
eq(42, funcs.luaeval('gvar'))
end)
end)
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