mirror of
https://github.com/neovim/neovim.git
synced 2025-09-06 11:28:22 +00:00
bda63d5b97
This is a breaking change which will make refactor of typval and shada code a lot easier. In particular, code that would use or check for v:msgpack_types.binary in the wild would be broken. This appears to be rarely used in existing plugins. Also some cases where v:msgpack_type.string would be used to represent a binary string of "string" type, we use a BLOB instead, which is vimscripts native type for binary blobs, and already was used for BIN formats when necessary. msgpackdump(msgpackparse(data)) no longer preserves the distinction of BIN and STR strings. This is very common behavior for language-specific msgpack bindings. Nvim uses msgpack as a tool to serialize its data. Nvim is not a tool to bit-perfectly manipulate arbitrary msgpack data out in the wild. The changed tests should indicate how behavior changes in various edge cases.
563 lines
19 KiB
Lua
563 lines
19 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 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([[
|
|
function _G.foo(a,b,n)
|
|
_G.val = n
|
|
return a+b
|
|
end
|
|
mymod = {}
|
|
function mymod.noisy(name)
|
|
vim.api.nvim_set_current_line("hey "..name)
|
|
end
|
|
function mymod.crashy()
|
|
nonexistent()
|
|
end
|
|
function mymod.whatis(value)
|
|
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.()"))
|
|
end)
|
|
end)
|