mirror of
https://github.com/neovim/neovim.git
synced 2024-12-25 21:55:17 -07:00
600 lines
20 KiB
Lua
600 lines
20 KiB
Lua
-- Test suite for testing luaeval() function
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local t = require('test.testutil')
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local n = require('test.functional.testnvim')()
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local Screen = require('test.functional.ui.screen')
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local pcall_err = t.pcall_err
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local exc_exec = n.exc_exec
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local remove_trace = t.remove_trace
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local exec_lua = n.exec_lua
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local command = n.command
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local api = n.api
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local fn = n.fn
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local clear = n.clear
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local eval = n.eval
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local feed = n.feed
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local assert_alive = n.assert_alive
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local NIL = vim.NIL
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local eq = t.eq
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before_each(clear)
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local function startswith(expected, actual)
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eq(expected, actual:sub(1, #expected))
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end
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describe('luaeval()', function()
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local nested_by_level = {}
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local nested = {}
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local nested_s = '{}'
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for i=1,100 do
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if i % 2 == 0 then
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nested = {nested}
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nested_s = '{' .. nested_s .. '}'
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else
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nested = {nested=nested}
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nested_s = '{nested=' .. nested_s .. '}'
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end
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nested_by_level[i] = {o=nested, s=nested_s}
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end
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describe('second argument', function()
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it('is successfully received', function()
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local q = {t=true, f=false, --[[n=NIL,]] d={l={'string', 42, 0.42}}}
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eq(q, fn.luaeval("_A", q))
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-- Not tested: nil, funcrefs, returned object identity: behaviour will
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-- most likely change.
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end)
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end)
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describe('lua values', function()
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it('are successfully transformed', function()
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eq({n=1, f=1.5, s='string', l={4, 2}},
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fn.luaeval('{n=1, f=1.5, s="string", l={4, 2}}'))
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-- Not tested: nil inside containers: behaviour will most likely change.
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eq(NIL, fn.luaeval('nil'))
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eq({['']=1}, fn.luaeval('{[""]=1}'))
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end)
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end)
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describe('recursive lua values', function()
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it('are successfully transformed', function()
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command('lua rawset(_G, "d", {})')
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command('lua rawset(d, "d", d)')
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eq('\n{\'d\': {...@0}}', fn.execute('echo luaeval("d")'))
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command('lua rawset(_G, "l", {})')
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command('lua table.insert(l, l)')
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eq('\n[[...@0]]', fn.execute('echo luaeval("l")'))
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end)
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end)
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describe('strings with NULs', function()
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it('are successfully converted to blobs', function()
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command([[let s = luaeval('"\0"')]])
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eq('\000', api.nvim_get_var('s'))
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end)
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it('are successfully converted to special dictionaries in table keys', function()
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command([[let d = luaeval('{["\0"]=1}')]])
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eq({_TYPE={}, _VAL={{'\000', 1}}}, api.nvim_get_var('d'))
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eq(1, fn.eval('d._TYPE is v:msgpack_types.map'))
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eq(eval('v:t_blob'), fn.eval('type(d._VAL[0][0])'))
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end)
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it('are successfully converted to blobs from a list', function()
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command([[let l = luaeval('{"abc", "a\0b", "c\0d", "def"}')]])
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eq({'abc', 'a\000b', 'c\000d', 'def'}, api.nvim_get_var('l'))
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end)
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end)
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-- Not checked: funcrefs converted to NIL. To be altered to something more
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-- meaningful later.
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it('correctly evaluates scalars', function()
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-- Also test method call (->) syntax
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eq(1, fn.luaeval('1'))
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eq(0, eval('"1"->luaeval()->type()'))
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eq(1.5, fn.luaeval('1.5'))
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eq(5, eval('"1.5"->luaeval()->type()'))
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eq("test", fn.luaeval('"test"'))
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eq(1, eval('"\'test\'"->luaeval()->type()'))
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eq('', fn.luaeval('""'))
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eq('\000', fn.luaeval([['\0']]))
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eq('\000\n\000', fn.luaeval([['\0\n\0']]))
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eq(10, eval([[type(luaeval("'\\0\\n\\0'"))]]))
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eq(true, fn.luaeval('true'))
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eq(false, fn.luaeval('false'))
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eq(NIL, fn.luaeval('nil'))
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end)
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it('correctly evaluates containers', function()
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eq({}, fn.luaeval('{}'))
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eq(3, eval('type(luaeval("{}"))'))
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eq({test=1, foo=2}, fn.luaeval('{test=1, foo=2}'))
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eq(4, eval('type(luaeval("{test=1, foo=2}"))'))
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eq({4, 2}, fn.luaeval('{4, 2}'))
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eq(3, eval('type(luaeval("{4, 2}"))'))
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eq({NIL, 20}, fn.luaeval('{[2] = 20}'))
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eq(3, eval('type(luaeval("{[2] = 20}"))'))
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eq({10, NIL, 30}, fn.luaeval('{[1] = 10, [3] = 30}'))
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eq(3, eval('type(luaeval("{[1] = 10, [3] = 30}"))'))
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local level = 30
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eq(nested_by_level[level].o, fn.luaeval(nested_by_level[level].s))
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eq({_TYPE={}, _VAL={{'\000\n\000', '\000\n\000\000'}}},
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fn.luaeval([[{['\0\n\0']='\0\n\0\0'}]]))
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eq(1, eval([[luaeval('{["\0\n\0"]="\0\n\0\0"}')._TYPE is v:msgpack_types.map]]))
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eq(eval("v:t_blob"), eval([[type(luaeval('{["\0\n\0"]="\0\n\0\0"}')._VAL[0][0])]]))
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eq({nested={{_TYPE={}, _VAL={{'\000\n\000', '\000\n\000\000'}}}}},
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fn.luaeval([[{nested={{['\0\n\0']='\0\n\0\0'}}}]]))
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end)
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it('correctly passes scalars as argument', function()
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eq(1, fn.luaeval('_A', 1))
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eq(1.5, fn.luaeval('_A', 1.5))
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eq('', fn.luaeval('_A', ''))
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eq('test', fn.luaeval('_A', 'test'))
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eq(NIL, fn.luaeval('_A', NIL))
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eq(true, fn.luaeval('_A', true))
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eq(false, fn.luaeval('_A', false))
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end)
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it('correctly passes containers as argument', function()
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eq({}, fn.luaeval('_A', {}))
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eq({test=1}, fn.luaeval('_A', {test=1}))
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eq({4, 2}, fn.luaeval('_A', {4, 2}))
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local level = 28
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eq(nested_by_level[level].o, fn.luaeval('_A', nested_by_level[level].o))
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end)
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local function sp(typ, val)
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return ('{"_TYPE": v:msgpack_types.%s, "_VAL": %s}'):format(typ, val)
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end
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local function mapsp(...)
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local val = ''
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for i=1,(select('#', ...)/2) do
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val = ('%s[%s,%s],'):format(val, select(i * 2 - 1, ...),
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select(i * 2, ...))
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end
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return sp('map', '[' .. val .. ']')
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end
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local function luaevalarg(argexpr, expr)
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return eval((([=[
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[
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extend(g:, {'_ret': luaeval(%s, %s)})._ret,
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type(g:_ret)==type({})&&has_key(g:_ret, '_TYPE')
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? [
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get(keys(filter(copy(v:msgpack_types), 'v:val is g:_ret._TYPE')), 0,
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g:_ret._TYPE),
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get(g:_ret, '_VAL', g:_ret)
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]
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: [0, g:_ret]][1]
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]=]):format(expr or '"_A"', argexpr):gsub('\n', '')))
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end
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it('correctly passes special dictionaries', function()
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eq({0, '\000\n\000'}, luaevalarg(sp('string', '["\\n", "\\n"]')))
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eq({0, true}, luaevalarg(sp('boolean', 1)))
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eq({0, false}, luaevalarg(sp('boolean', 0)))
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eq({0, NIL}, luaevalarg(sp('nil', 0)))
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eq({0, {[""]=""}}, luaevalarg(mapsp(sp('string', '[""]'), '""')))
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end)
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it('issues an error in some cases', function()
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eq("Vim(call):E5100: Cannot convert given lua table: table should contain either only integer keys or only string keys",
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exc_exec('call luaeval("{1, foo=2}")'))
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startswith("Vim(call):E5107: Error loading lua [string \"luaeval()\"]:",
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exc_exec('call luaeval("1, 2, 3")'))
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startswith("Vim(call):E5108: Error executing lua [string \"luaeval()\"]:",
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exc_exec('call luaeval("(nil)()")'))
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end)
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it('should handle sending lua functions to viml', function()
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eq(true, exec_lua [[
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can_pass_lua_callback_to_vim_from_lua_result = nil
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vim.fn.call(function()
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can_pass_lua_callback_to_vim_from_lua_result = true
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end, {})
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return can_pass_lua_callback_to_vim_from_lua_result
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]])
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end)
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it('run functions even in timers', function()
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eq(true, exec_lua [[
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can_pass_lua_callback_to_vim_from_lua_result = nil
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vim.fn.timer_start(50, function()
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can_pass_lua_callback_to_vim_from_lua_result = true
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end)
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vim.wait(1000, function()
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return can_pass_lua_callback_to_vim_from_lua_result
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end)
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return can_pass_lua_callback_to_vim_from_lua_result
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]])
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end)
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it('can run named functions more than once', function()
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eq(5, exec_lua [[
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count_of_vals = 0
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vim.fn.timer_start(5, function()
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count_of_vals = count_of_vals + 1
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end, {['repeat'] = 5})
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vim.fn.wait(1000, function()
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return count_of_vals >= 5
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end)
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return count_of_vals
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]])
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end)
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it('can handle clashing names', function()
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eq(1, exec_lua [[
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local f_loc = function() return 1 end
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local result = nil
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vim.fn.timer_start(100, function()
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result = f_loc()
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end)
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local f_loc = function() return 2 end
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vim.wait(1000, function() return result ~= nil end)
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return result
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]])
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end)
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it('can handle functions with errors', function()
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eq(true, exec_lua [[
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vim.fn.timer_start(10, function()
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error("dead function")
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end)
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vim.wait(1000, function() return false end)
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return true
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]])
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end)
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it('should handle passing functions around', function()
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command [[
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function VimCanCallLuaCallbacks(Concat, Cb)
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let message = a:Concat("Hello Vim", "I'm Lua")
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call a:Cb(message)
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endfunction
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]]
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eq("Hello Vim I'm Lua", exec_lua [[
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can_pass_lua_callback_to_vim_from_lua_result = ""
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vim.fn.VimCanCallLuaCallbacks(
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function(greeting, message) return greeting .. " " .. message end,
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function(message) can_pass_lua_callback_to_vim_from_lua_result = message end
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)
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return can_pass_lua_callback_to_vim_from_lua_result
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]])
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end)
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it('should handle funcrefs', function()
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command [[
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function VimCanCallLuaCallbacks(Concat, Cb)
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let message = a:Concat("Hello Vim", "I'm Lua")
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call a:Cb(message)
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endfunction
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]]
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eq("Hello Vim I'm Lua", exec_lua [[
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can_pass_lua_callback_to_vim_from_lua_result = ""
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vim.funcref('VimCanCallLuaCallbacks')(
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function(greeting, message) return greeting .. " " .. message end,
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function(message) can_pass_lua_callback_to_vim_from_lua_result = message end
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)
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return can_pass_lua_callback_to_vim_from_lua_result
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]])
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end)
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it('should work with metatables using __call', function()
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eq(1, exec_lua [[
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local this_is_local_variable = false
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local callable_table = setmetatable({x = 1}, {
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__call = function(t, ...)
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this_is_local_variable = t.x
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end
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})
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vim.fn.timer_start(5, callable_table)
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vim.wait(1000, function()
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return this_is_local_variable
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end)
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return this_is_local_variable
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]])
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end)
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it('should handle being called from a timer once.', function()
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eq(3, exec_lua [[
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local this_is_local_variable = false
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local callable_table = setmetatable({5, 4, 3, 2, 1}, {
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__call = function(t, ...) this_is_local_variable = t[3] end
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})
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vim.fn.timer_start(5, callable_table)
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vim.wait(1000, function()
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return this_is_local_variable
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end)
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return this_is_local_variable
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]])
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end)
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it('should call functions once with __call metamethod', function()
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eq(true, exec_lua [[
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local this_is_local_variable = false
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local callable_table = setmetatable({a = true, b = false}, {
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__call = function(t, ...) this_is_local_variable = t.a end
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})
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assert(getmetatable(callable_table).__call)
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vim.fn.call(callable_table, {})
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return this_is_local_variable
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]])
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end)
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it('should work with lists using __call', function()
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eq(3, exec_lua [[
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local this_is_local_variable = false
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local mt = {
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__call = function(t, ...)
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this_is_local_variable = t[3]
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end
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}
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local callable_table = setmetatable({5, 4, 3, 2, 1}, mt)
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-- Call it once...
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vim.fn.timer_start(5, callable_table)
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vim.wait(1000, function()
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return this_is_local_variable
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end)
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assert(this_is_local_variable)
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this_is_local_variable = false
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vim.fn.timer_start(5, callable_table)
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vim.wait(1000, function()
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return this_is_local_variable
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end)
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return this_is_local_variable
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]])
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end)
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it('should not work with tables not using __call', function()
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eq({false, 'Vim:E921: Invalid callback argument'}, exec_lua [[
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local this_is_local_variable = false
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local callable_table = setmetatable({x = 1}, {})
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return {pcall(function() vim.fn.timer_start(5, callable_table) end)}
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]])
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end)
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it('correctly converts containers with type_idx', function()
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eq(5, eval('type(luaeval("{[vim.type_idx]=vim.types.float, [vim.val_idx]=0}"))'))
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eq(4, eval([[type(luaeval('{[vim.type_idx]=vim.types.dictionary}'))]]))
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eq(3, eval([[type(luaeval('{[vim.type_idx]=vim.types.array}'))]]))
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eq({}, fn.luaeval('{[vim.type_idx]=vim.types.array}'))
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-- Presence of type_idx makes Vim ignore some keys
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eq({42}, fn.luaeval('{[vim.type_idx]=vim.types.array, [vim.val_idx]=10, [5]=1, foo=2, [1]=42}'))
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eq({foo=2}, fn.luaeval('{[vim.type_idx]=vim.types.dictionary, [vim.val_idx]=10, [5]=1, foo=2, [1]=42}'))
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eq(10, fn.luaeval('{[vim.type_idx]=vim.types.float, [vim.val_idx]=10, [5]=1, foo=2, [1]=42}'))
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-- The following should not crash
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eq({}, fn.luaeval('{[vim.type_idx]=vim.types.dictionary}'))
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end)
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it('correctly converts self-containing containers', function()
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api.nvim_set_var('l', {})
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eval('add(l, l)')
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eq(true, eval('luaeval("_A == _A[1]", l)'))
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eq(true, eval('luaeval("_A[1] == _A[1][1]", [l])'))
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eq(true, eval('luaeval("_A.d == _A.d[1]", {"d": l})'))
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eq(true, eval('luaeval("_A ~= _A[1]", [l])'))
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api.nvim_set_var('d', {foo=42})
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eval('extend(d, {"d": d})')
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eq(true, eval('luaeval("_A == _A.d", d)'))
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eq(true, eval('luaeval("_A[1] == _A[1].d", [d])'))
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eq(true, eval('luaeval("_A.d == _A.d.d", {"d": d})'))
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eq(true, eval('luaeval("_A ~= _A.d", {"d": d})'))
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end)
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it('errors out correctly when doing incorrect things in lua', function()
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-- Conversion errors
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: attempt to call field \'xxx_nonexistent_key_xxx\' (a nil value)',
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remove_trace(exc_exec([[call luaeval("vim.xxx_nonexistent_key_xxx()")]])))
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: ERROR',
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remove_trace(exc_exec([[call luaeval("error('ERROR')")]])))
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eq('Vim(call):E5108: Error executing lua [NULL]',
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remove_trace(exc_exec([[call luaeval("error(nil)")]])))
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end)
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it('does not leak memory when called with too long line',
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function()
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local s = ('x'):rep(65536)
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eq('Vim(call):E5107: Error loading lua [string "luaeval()"]:1: unexpected symbol near \')\'',
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exc_exec([[call luaeval("(']] .. s ..[[' + )")]]))
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eq(s, fn.luaeval('"' .. s .. '"'))
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end)
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end)
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describe('v:lua', function()
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before_each(function()
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exec_lua([[
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function _G.foo(a,b,n)
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_G.val = n
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return a+b
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end
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mymod = {}
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function mymod.noisy(name)
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vim.api.nvim_set_current_line("hey "..name)
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end
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function mymod.crashy()
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nonexistent()
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end
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function mymod.whatis(value)
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return type(value) .. ": " .. tostring(value)
|
|
end
|
|
function mymod.omni(findstart, base)
|
|
if findstart == 1 then
|
|
return 5
|
|
else
|
|
if base == 'st' then
|
|
return {'stuff', 'steam', 'strange things'}
|
|
end
|
|
end
|
|
end
|
|
]])
|
|
end)
|
|
|
|
it('works in expressions', function()
|
|
eq(7, eval('v:lua.foo(3,4,v:null)'))
|
|
eq(true, exec_lua([[return _G.val == vim.NIL]]))
|
|
eq(NIL, eval('v:lua.mymod.noisy("eval")'))
|
|
eq("hey eval", api.nvim_get_current_line())
|
|
eq("string: abc", eval('v:lua.mymod.whatis(0z616263)'))
|
|
eq("string: ", eval('v:lua.mymod.whatis(v:_null_blob)'))
|
|
|
|
eq("Vim:E5108: Error executing lua [string \"<nvim>\"]:0: attempt to call global 'nonexistent' (a nil value)",
|
|
pcall_err(eval, 'v:lua.mymod.crashy()'))
|
|
end)
|
|
|
|
it('works when called as a method', function()
|
|
eq(123, eval('110->v:lua.foo(13)'))
|
|
eq(true, exec_lua([[return _G.val == nil]]))
|
|
|
|
eq(321, eval('300->v:lua.foo(21, "boop")'))
|
|
eq("boop", exec_lua([[return _G.val]]))
|
|
|
|
eq(NIL, eval('"there"->v:lua.mymod.noisy()'))
|
|
eq("hey there", api.nvim_get_current_line())
|
|
eq({5, 10, 15, 20}, eval('[[1], [2, 3], [4]]->v:lua.vim.tbl_flatten()->map({_, v -> v * 5})'))
|
|
|
|
eq("Vim:E5108: Error executing lua [string \"<nvim>\"]:0: attempt to call global 'nonexistent' (a nil value)",
|
|
pcall_err(eval, '"huh?"->v:lua.mymod.crashy()'))
|
|
end)
|
|
|
|
it('works in :call', function()
|
|
command(":call v:lua.mymod.noisy('command')")
|
|
eq("hey command", api.nvim_get_current_line())
|
|
eq("Vim(call):E5108: Error executing lua [string \"<nvim>\"]:0: attempt to call global 'nonexistent' (a nil value)",
|
|
pcall_err(command, 'call v:lua.mymod.crashy()'))
|
|
end)
|
|
|
|
it('works in func options', function()
|
|
local screen = Screen.new(60, 8)
|
|
screen:set_default_attr_ids({
|
|
[1] = {bold = true, foreground = Screen.colors.Blue1},
|
|
[2] = {background = Screen.colors.WebGray},
|
|
[3] = {background = Screen.colors.LightMagenta},
|
|
[4] = {bold = true},
|
|
[5] = {bold = true, foreground = Screen.colors.SeaGreen4},
|
|
})
|
|
screen:attach()
|
|
api.nvim_set_option_value('omnifunc', 'v:lua.mymod.omni', {})
|
|
feed('isome st<c-x><c-o>')
|
|
screen:expect{grid=[[
|
|
some stuff^ |
|
|
{1:~ }{2: stuff }{1: }|
|
|
{1:~ }{3: steam }{1: }|
|
|
{1:~ }{3: strange things }{1: }|
|
|
{1:~ }|*3
|
|
{4:-- Omni completion (^O^N^P) }{5:match 1 of 3} |
|
|
]]}
|
|
api.nvim_set_option_value('operatorfunc', 'v:lua.mymod.noisy', {})
|
|
feed('<Esc>g@g@')
|
|
eq("hey line", api.nvim_get_current_line())
|
|
end)
|
|
|
|
it('supports packages', function()
|
|
command('set pp+=test/functional/fixtures')
|
|
eq('\tbadval', eval("v:lua.require'leftpad'('badval')"))
|
|
eq(9003, eval("v:lua.require'bar'.doit()"))
|
|
eq(9004, eval("v:lua.require'baz-quux'.doit()"))
|
|
eq(9003, eval("1 ? v:lua.require'bar'.doit() : v:lua.require'baz-quux'.doit()"))
|
|
eq(9004, eval("0 ? v:lua.require'bar'.doit() : v:lua.require'baz-quux'.doit()"))
|
|
end)
|
|
|
|
it('throw errors for invalid use', function()
|
|
eq([[Vim(let):E15: Invalid expression: "v:lua.func"]], pcall_err(command, "let g:Func = v:lua.func"))
|
|
eq([[Vim(let):E15: Invalid expression: "v:lua"]], pcall_err(command, "let g:Func = v:lua"))
|
|
eq([[Vim(let):E15: Invalid expression: "v:['lua']"]], pcall_err(command, "let g:Func = v:['lua']"))
|
|
|
|
eq([[Vim:E15: Invalid expression: "v:['lua'].foo()"]], pcall_err(eval, "v:['lua'].foo()"))
|
|
eq("Vim(call):E461: Illegal variable name: v:['lua']", pcall_err(command, "call v:['lua'].baar()"))
|
|
eq("Vim:E1085: Not a callable type: v:lua", pcall_err(eval, "v:lua()"))
|
|
|
|
eq("Vim(let):E46: Cannot change read-only variable \"v:['lua']\"", pcall_err(command, "let v:['lua'] = 'xx'"))
|
|
eq("Vim(let):E46: Cannot change read-only variable \"v:lua\"", pcall_err(command, "let v:lua = 'xx'"))
|
|
|
|
eq("Vim:E107: Missing parentheses: v:lua.func", pcall_err(eval, "'bad'->v:lua.func"))
|
|
eq("Vim:E274: No white space allowed before parenthesis", pcall_err(eval, "'bad'->v:lua.func ()"))
|
|
eq("Vim:E107: Missing parentheses: v:lua", pcall_err(eval, "'bad'->v:lua"))
|
|
eq("Vim:E1085: Not a callable type: v:lua", pcall_err(eval, "'bad'->v:lua()"))
|
|
eq([[Vim:E15: Invalid expression: "v:lua.()"]], pcall_err(eval, "'bad'->v:lua.()"))
|
|
|
|
eq("Vim:E1085: Not a callable type: v:lua", pcall_err(eval, "v:lua()"))
|
|
eq([[Vim:E15: Invalid expression: "v:lua.()"]], pcall_err(eval, "v:lua.()"))
|
|
end)
|
|
|
|
describe('invalid use in fold text', function()
|
|
before_each(function()
|
|
feed('ifoo<CR>bar<Esc>')
|
|
command('1,2fold')
|
|
end)
|
|
|
|
it('with missing function name when used as simple function', function()
|
|
api.nvim_set_option_value('debug', 'throw', {})
|
|
eq(
|
|
[[Vim(eval):E15: Invalid expression: "v:lua.()"]],
|
|
pcall_err(command, 'set foldtext=v:lua.() | eval foldtextresult(1)')
|
|
)
|
|
end)
|
|
|
|
it('with missing function name when used in expression', function()
|
|
api.nvim_set_option_value('debug', 'throw', {})
|
|
eq(
|
|
[[Vim(eval):E15: Invalid expression: "+v:lua.()"]],
|
|
pcall_err(command, 'set foldtext=+v:lua.() | eval foldtextresult(1)')
|
|
)
|
|
end)
|
|
|
|
it('with non-existent function when used as simple function', function()
|
|
command('set foldtext=v:lua.NoSuchFunc() | eval foldtextresult(1)')
|
|
assert_alive()
|
|
end)
|
|
|
|
it('with non-existent function when used in expression', function()
|
|
command('set foldtext=+v:lua.NoSuchFunc() | eval foldtextresult(1)')
|
|
assert_alive()
|
|
end)
|
|
end)
|
|
end)
|