mirror of
https://github.com/neovim/neovim.git
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a5a5c83608
It used to 1. Always omit last component in runtimepath. 2. Always omit trailing empty item and leave uninitialized memory in place of it.
641 lines
23 KiB
Lua
641 lines
23 KiB
Lua
local helpers = require('test.functional.helpers')(after_each)
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local Screen = require('test.functional.ui.screen')
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local NIL = helpers.NIL
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local clear, nvim, eq, neq = helpers.clear, helpers.nvim, helpers.eq, helpers.neq
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local ok, nvim_async, feed = helpers.ok, helpers.nvim_async, helpers.feed
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local os_name = helpers.os_name
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local meths = helpers.meths
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local funcs = helpers.funcs
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local request = helpers.request
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local meth_pcall = helpers.meth_pcall
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local command = helpers.command
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describe('api', function()
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before_each(clear)
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describe('nvim_command', function()
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it('works', function()
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local fname = helpers.tmpname()
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nvim('command', 'new')
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nvim('command', 'edit '..fname)
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nvim('command', 'normal itesting\napi')
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nvim('command', 'w')
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local f = io.open(fname)
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ok(f ~= nil)
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if os_name() == 'windows' then
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eq('testing\r\napi\r\n', f:read('*a'))
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else
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eq('testing\napi\n', f:read('*a'))
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end
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f:close()
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os.remove(fname)
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end)
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it("VimL error: fails (VimL error), does NOT update v:errmsg", function()
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-- Most API methods return generic errors (or no error) if a VimL
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-- expression fails; nvim_command returns the VimL error details.
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local status, rv = pcall(nvim, "command", "bogus_command")
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eq(false, status) -- nvim_command() failed.
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eq("E492:", string.match(rv, "E%d*:")) -- VimL error was returned.
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eq("", nvim("eval", "v:errmsg")) -- v:errmsg was not updated.
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end)
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end)
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describe('nvim_eval', function()
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it('works', function()
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nvim('command', 'let g:v1 = "a"')
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nvim('command', 'let g:v2 = [1, 2, {"v3": 3}]')
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eq({v1 = 'a', v2 = { 1, 2, { v3 = 3 } } }, nvim('eval', 'g:'))
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end)
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it('handles NULL-initialized strings correctly', function()
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eq(1, nvim('eval',"matcharg(1) == ['', '']"))
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eq({'', ''}, nvim('eval','matcharg(1)'))
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end)
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it('works under deprecated name', function()
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eq(2, request("vim_eval", "1+1"))
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end)
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it("VimL error: fails (generic error), does NOT update v:errmsg", function()
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local status, rv = pcall(nvim, "eval", "bogus expression")
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eq(false, status) -- nvim_eval() failed.
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ok(nil ~= string.find(rv, "Failed to evaluate expression"))
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eq("", nvim("eval", "v:errmsg")) -- v:errmsg was not updated.
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end)
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end)
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describe('nvim_call_function', function()
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it('works', function()
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nvim('call_function', 'setqflist', { { { filename = 'something', lnum = 17 } }, 'r' })
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eq(17, nvim('call_function', 'getqflist', {})[1].lnum)
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eq(17, nvim('call_function', 'eval', {17}))
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eq('foo', nvim('call_function', 'simplify', {'this/./is//redundant/../../../foo'}))
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end)
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it("VimL error: fails (generic error), does NOT update v:errmsg", function()
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local status, rv = pcall(nvim, "call_function", "bogus function", {"arg1"})
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eq(false, status) -- nvim_call_function() failed.
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ok(nil ~= string.find(rv, "Error calling function"))
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eq("", nvim("eval", "v:errmsg")) -- v:errmsg was not updated.
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end)
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end)
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describe('nvim_execute_lua', function()
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it('works', function()
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meths.execute_lua('vim.api.nvim_set_var("test", 3)', {})
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eq(3, meths.get_var('test'))
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eq(17, meths.execute_lua('a, b = ...\nreturn a + b', {10,7}))
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eq(NIL, meths.execute_lua('function xx(a,b)\nreturn a..b\nend',{}))
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eq("xy", meths.execute_lua('return xx(...)', {'x','y'}))
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end)
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it('reports errors', function()
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eq({false, 'Error loading lua: [string "<nvim>"]:1: '..
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"'=' expected near '+'"},
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meth_pcall(meths.execute_lua, 'a+*b', {}))
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eq({false, 'Error loading lua: [string "<nvim>"]:1: '..
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"unexpected symbol near '1'"},
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meth_pcall(meths.execute_lua, '1+2', {}))
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eq({false, 'Error loading lua: [string "<nvim>"]:1: '..
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"unexpected symbol"},
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meth_pcall(meths.execute_lua, 'aa=bb\0', {}))
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eq({false, 'Error executing lua: [string "<nvim>"]:1: '..
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"attempt to call global 'bork' (a nil value)"},
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meth_pcall(meths.execute_lua, 'bork()', {}))
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end)
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end)
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describe('nvim_input', function()
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it("VimL error: does NOT fail, updates v:errmsg", function()
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local status, _ = pcall(nvim, "input", ":call bogus_fn()<CR>")
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local v_errnum = string.match(nvim("eval", "v:errmsg"), "E%d*:")
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eq(true, status) -- nvim_input() did not fail.
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eq("E117:", v_errnum) -- v:errmsg was updated.
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end)
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end)
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describe('nvim_strwidth', function()
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it('works', function()
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eq(3, nvim('strwidth', 'abc'))
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-- 6 + (neovim)
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-- 19 * 2 (each japanese character occupies two cells)
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eq(44, nvim('strwidth', 'neovimのデザインかなりまともなのになってる。'))
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end)
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it('cannot handle NULs', function()
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eq(0, nvim('strwidth', '\0abc'))
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end)
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end)
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describe('nvim_get_current_line, nvim_set_current_line', function()
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it('works', function()
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eq('', nvim('get_current_line'))
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nvim('set_current_line', 'abc')
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eq('abc', nvim('get_current_line'))
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end)
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end)
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describe('nvim_get_var, nvim_set_var, nvim_del_var', function()
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it('works', function()
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nvim('set_var', 'lua', {1, 2, {['3'] = 1}})
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eq({1, 2, {['3'] = 1}}, nvim('get_var', 'lua'))
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eq({1, 2, {['3'] = 1}}, nvim('eval', 'g:lua'))
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eq(1, funcs.exists('g:lua'))
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meths.del_var('lua')
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eq(0, funcs.exists('g:lua'))
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eq({false, 'Key does not exist: lua'}, meth_pcall(meths.del_var, 'lua'))
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meths.set_var('lua', 1)
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command('lockvar lua')
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eq({false, 'Key is locked: lua'}, meth_pcall(meths.del_var, 'lua'))
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eq({false, 'Key is locked: lua'}, meth_pcall(meths.set_var, 'lua', 1))
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end)
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it('vim_set_var returns the old value', function()
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local val1 = {1, 2, {['3'] = 1}}
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local val2 = {4, 7}
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eq(NIL, request('vim_set_var', 'lua', val1))
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eq(val1, request('vim_set_var', 'lua', val2))
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end)
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it('vim_del_var returns the old value', function()
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local val1 = {1, 2, {['3'] = 1}}
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local val2 = {4, 7}
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eq(NIL, request('vim_set_var', 'lua', val1))
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eq(val1, request('vim_set_var', 'lua', val2))
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eq(val2, request('vim_del_var', 'lua'))
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end)
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it('truncates values with NULs in them', function()
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nvim('set_var', 'xxx', 'ab\0cd')
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eq('ab', nvim('get_var', 'xxx'))
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end)
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end)
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describe('nvim_get_option, nvim_set_option', function()
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it('works', function()
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ok(nvim('get_option', 'equalalways'))
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nvim('set_option', 'equalalways', false)
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ok(not nvim('get_option', 'equalalways'))
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end)
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it('works to get global value of local options', function()
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eq(false, nvim('get_option', 'lisp'))
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eq(8, nvim('get_option', 'shiftwidth'))
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end)
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it('works to set global value of local options', function()
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nvim('set_option', 'lisp', true)
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eq(true, nvim('get_option', 'lisp'))
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eq(false, helpers.curbuf('get_option', 'lisp'))
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eq(nil, nvim('command_output', 'setglobal lisp?'):match('nolisp'))
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eq('nolisp', nvim('command_output', 'setlocal lisp?'):match('nolisp'))
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nvim('set_option', 'shiftwidth', 20)
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eq('20', nvim('command_output', 'setglobal shiftwidth?'):match('%d+'))
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eq('8', nvim('command_output', 'setlocal shiftwidth?'):match('%d+'))
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end)
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it('most window-local options have no global value', function()
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local status, err = pcall(nvim, 'get_option', 'foldcolumn')
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eq(false, status)
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ok(err:match('Invalid option name') ~= nil)
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end)
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end)
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describe('nvim_{get,set}_current_buf, nvim_list_bufs', function()
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it('works', function()
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eq(1, #nvim('list_bufs'))
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eq(nvim('list_bufs')[1], nvim('get_current_buf'))
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nvim('command', 'new')
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eq(2, #nvim('list_bufs'))
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eq(nvim('list_bufs')[2], nvim('get_current_buf'))
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nvim('set_current_buf', nvim('list_bufs')[1])
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eq(nvim('list_bufs')[1], nvim('get_current_buf'))
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end)
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end)
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describe('nvim_{get,set}_current_win, nvim_list_wins', function()
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it('works', function()
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eq(1, #nvim('list_wins'))
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eq(nvim('list_wins')[1], nvim('get_current_win'))
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nvim('command', 'vsplit')
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nvim('command', 'split')
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eq(3, #nvim('list_wins'))
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eq(nvim('list_wins')[1], nvim('get_current_win'))
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nvim('set_current_win', nvim('list_wins')[2])
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eq(nvim('list_wins')[2], nvim('get_current_win'))
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end)
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end)
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describe('nvim_{get,set}_current_tabpage, nvim_list_tabpages', function()
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it('works', function()
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eq(1, #nvim('list_tabpages'))
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eq(nvim('list_tabpages')[1], nvim('get_current_tabpage'))
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nvim('command', 'tabnew')
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eq(2, #nvim('list_tabpages'))
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eq(2, #nvim('list_wins'))
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eq(nvim('list_wins')[2], nvim('get_current_win'))
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eq(nvim('list_tabpages')[2], nvim('get_current_tabpage'))
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nvim('set_current_win', nvim('list_wins')[1])
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-- Switching window also switches tabpages if necessary
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eq(nvim('list_tabpages')[1], nvim('get_current_tabpage'))
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eq(nvim('list_wins')[1], nvim('get_current_win'))
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nvim('set_current_tabpage', nvim('list_tabpages')[2])
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eq(nvim('list_tabpages')[2], nvim('get_current_tabpage'))
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eq(nvim('list_wins')[2], nvim('get_current_win'))
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end)
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end)
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describe('nvim_get_mode', function()
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it("during normal-mode `g` returns blocking=true", function()
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nvim("input", "o") -- add a line
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eq({mode='i', blocking=false}, nvim("get_mode"))
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nvim("input", [[<C-\><C-N>]])
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eq(2, nvim("eval", "line('.')"))
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eq({mode='n', blocking=false}, nvim("get_mode"))
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nvim("input", "g")
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eq({mode='n', blocking=true}, nvim("get_mode"))
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nvim("input", "k") -- complete the operator
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eq(1, nvim("eval", "line('.')")) -- verify the completed operator
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eq({mode='n', blocking=false}, nvim("get_mode"))
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end)
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it("returns the correct result multiple consecutive times", function()
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for _ = 1,5 do
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eq({mode='n', blocking=false}, nvim("get_mode"))
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end
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nvim("input", "g")
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for _ = 1,4 do
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eq({mode='n', blocking=true}, nvim("get_mode"))
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end
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nvim("input", "g")
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for _ = 1,7 do
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eq({mode='n', blocking=false}, nvim("get_mode"))
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end
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end)
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it("during normal-mode CTRL-W, returns blocking=true", function()
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nvim("input", "<C-W>")
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eq({mode='n', blocking=true}, nvim("get_mode"))
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nvim("input", "s") -- complete the operator
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eq(2, nvim("eval", "winnr('$')")) -- verify the completed operator
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eq({mode='n', blocking=false}, nvim("get_mode"))
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end)
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it("during press-enter prompt returns blocking=true", function()
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eq({mode='n', blocking=false}, nvim("get_mode"))
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command("echom 'msg1'")
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command("echom 'msg2'")
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command("echom 'msg3'")
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command("echom 'msg4'")
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command("echom 'msg5'")
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eq({mode='n', blocking=false}, nvim("get_mode"))
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nvim("input", ":messages<CR>")
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eq({mode='r', blocking=true}, nvim("get_mode"))
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end)
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it("during getchar() returns blocking=false", function()
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nvim("input", ":let g:test_input = nr2char(getchar())<CR>")
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-- Events are enabled during getchar(), RPC calls are *not* blocked. #5384
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eq({mode='n', blocking=false}, nvim("get_mode"))
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eq(0, nvim("eval", "exists('g:test_input')"))
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nvim("input", "J")
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eq("J", nvim("eval", "g:test_input"))
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eq({mode='n', blocking=false}, nvim("get_mode"))
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end)
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-- TODO: bug #6247#issuecomment-286403810
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it("batched with input", function()
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eq({mode='n', blocking=false}, nvim("get_mode"))
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command("echom 'msg1'")
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command("echom 'msg2'")
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command("echom 'msg3'")
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command("echom 'msg4'")
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command("echom 'msg5'")
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local req = {
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{'nvim_get_mode', {}},
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{'nvim_input', {':messages<CR>'}},
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{'nvim_get_mode', {}},
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{'nvim_eval', {'1'}},
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}
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eq({ { {mode='n', blocking=false},
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13,
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{mode='n', blocking=false}, -- TODO: should be blocked=true
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1 },
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NIL}, meths.call_atomic(req))
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eq({mode='r', blocking=true}, nvim("get_mode"))
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end)
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-- TODO: bug #6166
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it("during insert-mode map-pending, returns blocking=true #6166", function()
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command("inoremap xx foo")
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nvim("input", "ix")
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eq({mode='i', blocking=true}, nvim("get_mode"))
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end)
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-- TODO: bug #6166
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it("during normal-mode gU, returns blocking=false #6166", function()
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nvim("input", "gu")
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eq({mode='no', blocking=false}, nvim("get_mode"))
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end)
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end)
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describe('nvim_replace_termcodes', function()
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it('escapes K_SPECIAL as K_SPECIAL KS_SPECIAL KE_FILLER', function()
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eq('\128\254X', helpers.nvim('replace_termcodes', '\128', true, true, true))
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end)
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it('leaves non-K_SPECIAL string unchanged', function()
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eq('abc', helpers.nvim('replace_termcodes', 'abc', true, true, true))
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end)
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it('converts <expressions>', function()
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eq('\\', helpers.nvim('replace_termcodes', '<Leader>', true, true, true))
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end)
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it('converts <LeftMouse> to K_SPECIAL KS_EXTRA KE_LEFTMOUSE', function()
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-- K_SPECIAL KS_EXTRA KE_LEFTMOUSE
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-- 0x80 0xfd 0x2c
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-- 128 253 44
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eq('\128\253\44', helpers.nvim('replace_termcodes',
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'<LeftMouse>', true, true, true))
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end)
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it('converts keycodes', function()
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eq('\nx\27x\rx<x', helpers.nvim('replace_termcodes',
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'<NL>x<Esc>x<CR>x<lt>x', true, true, true))
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end)
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it('does not crash when transforming an empty string', function()
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-- Actually does not test anything, because current code will use NULL for
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-- an empty string.
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--
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-- Problem here is that if String argument has .data in allocated memory
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-- then `return str` in vim_replace_termcodes body will make Neovim free
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-- `str.data` twice: once when freeing arguments, then when freeing return
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-- value.
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eq('', meths.replace_termcodes('', true, true, true))
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end)
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end)
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describe('nvim_feedkeys', function()
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it('CSI escaping', function()
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local function on_setup()
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-- notice the special char(…) \xe2\80\xa6
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nvim('feedkeys', ':let x1="…"\n', '', true)
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-- Both replace_termcodes and feedkeys escape \x80
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local inp = helpers.nvim('replace_termcodes', ':let x2="…"<CR>', true, true, true)
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nvim('feedkeys', inp, '', true)
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-- Disabling CSI escaping in feedkeys
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inp = helpers.nvim('replace_termcodes', ':let x3="…"<CR>', true, true, true)
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nvim('feedkeys', inp, '', false)
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helpers.stop()
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end
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-- spin the loop a bit
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helpers.run(nil, nil, on_setup)
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eq(nvim('get_var', 'x1'), '…')
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-- Because of the double escaping this is neq
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neq(nvim('get_var', 'x2'), '…')
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eq(nvim('get_var', 'x3'), '…')
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end)
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end)
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describe('nvim_err_write', function()
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local screen
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before_each(function()
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clear()
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screen = Screen.new(40, 8)
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screen:attach()
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screen:set_default_attr_ids({
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[0] = {bold=true, foreground=Screen.colors.Blue},
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[1] = {foreground = Screen.colors.White, background = Screen.colors.Red},
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[2] = {bold = true, foreground = Screen.colors.SeaGreen}
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})
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end)
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it('can show one line', function()
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nvim_async('err_write', 'has bork\n')
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screen:expect([[
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^ |
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{1:has bork} |
|
|
]])
|
|
end)
|
|
|
|
it('shows return prompt when more than &cmdheight lines', function()
|
|
nvim_async('err_write', 'something happened\nvery bad\n')
|
|
screen:expect([[
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{1:something happened} |
|
|
{1:very bad} |
|
|
{2:Press ENTER or type command to continue}^ |
|
|
]])
|
|
end)
|
|
|
|
it('shows return prompt after all lines are shown', function()
|
|
nvim_async('err_write', 'FAILURE\nERROR\nEXCEPTION\nTRACEBACK\n')
|
|
screen:expect([[
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{1:FAILURE} |
|
|
{1:ERROR} |
|
|
{1:EXCEPTION} |
|
|
{1:TRACEBACK} |
|
|
{2:Press ENTER or type command to continue}^ |
|
|
]])
|
|
end)
|
|
|
|
it('handles multiple calls', function()
|
|
-- without linebreak text is joined to one line
|
|
nvim_async('err_write', 'very ')
|
|
nvim_async('err_write', 'fail\n')
|
|
screen:expect([[
|
|
^ |
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{1:very fail} |
|
|
]])
|
|
helpers.wait()
|
|
|
|
-- shows up to &cmdheight lines
|
|
nvim_async('err_write', 'more fail\ntoo fail\n')
|
|
screen:expect([[
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{0:~ }|
|
|
{1:more fail} |
|
|
{1:too fail} |
|
|
{2:Press ENTER or type command to continue}^ |
|
|
]])
|
|
feed('<cr>') -- exit the press ENTER screen
|
|
end)
|
|
end)
|
|
|
|
describe('nvim_call_atomic', function()
|
|
it('works', function()
|
|
meths.buf_set_lines(0, 0, -1, true, {'first'})
|
|
local req = {
|
|
{'nvim_get_current_line', {}},
|
|
{'nvim_set_current_line', {'second'}},
|
|
}
|
|
eq({{'first', NIL}, NIL}, meths.call_atomic(req))
|
|
eq({'second'}, meths.buf_get_lines(0, 0, -1, true))
|
|
end)
|
|
|
|
it('allows multiple return values', function()
|
|
local req = {
|
|
{'nvim_set_var', {'avar', true}},
|
|
{'nvim_set_var', {'bvar', 'string'}},
|
|
{'nvim_get_var', {'avar'}},
|
|
{'nvim_get_var', {'bvar'}},
|
|
}
|
|
eq({{NIL, NIL, true, 'string'}, NIL}, meths.call_atomic(req))
|
|
end)
|
|
|
|
it('is aborted by errors in call', function()
|
|
local error_types = meths.get_api_info()[2].error_types
|
|
local req = {
|
|
{'nvim_set_var', {'one', 1}},
|
|
{'nvim_buf_set_lines', {}},
|
|
{'nvim_set_var', {'two', 2}},
|
|
}
|
|
eq({{NIL}, {1, error_types.Exception.id,
|
|
'Wrong number of arguments: expecting 5 but got 0'}},
|
|
meths.call_atomic(req))
|
|
eq(1, meths.get_var('one'))
|
|
eq(false, pcall(meths.get_var, 'two'))
|
|
|
|
-- still returns all previous successful calls
|
|
req = {
|
|
{'nvim_set_var', {'avar', 5}},
|
|
{'nvim_set_var', {'bvar', 'string'}},
|
|
{'nvim_get_var', {'avar'}},
|
|
{'nvim_buf_get_lines', {0, 10, 20, true}},
|
|
{'nvim_get_var', {'bvar'}},
|
|
}
|
|
eq({{NIL, NIL, 5}, {3, error_types.Validation.id, 'Index out of bounds'}},
|
|
meths.call_atomic(req))
|
|
|
|
req = {
|
|
{'i_am_not_a_method', {'xx'}},
|
|
{'nvim_set_var', {'avar', 10}},
|
|
}
|
|
eq({{}, {0, error_types.Exception.id, 'Invalid method name'}},
|
|
meths.call_atomic(req))
|
|
eq(5, meths.get_var('avar'))
|
|
end)
|
|
|
|
it('throws error on malformed arguments', function()
|
|
local req = {
|
|
{'nvim_set_var', {'avar', 1}},
|
|
{'nvim_set_var'},
|
|
{'nvim_set_var', {'avar', 2}},
|
|
}
|
|
local status, err = pcall(meths.call_atomic, req)
|
|
eq(false, status)
|
|
ok(err:match(' All items in calls array must be arrays of size 2') ~= nil)
|
|
-- call before was done, but not after
|
|
eq(1, meths.get_var('avar'))
|
|
|
|
req = {
|
|
{ 'nvim_set_var', { 'bvar', { 2, 3 } } },
|
|
12,
|
|
}
|
|
status, err = pcall(meths.call_atomic, req)
|
|
eq(false, status)
|
|
ok(err:match('All items in calls array must be arrays') ~= nil)
|
|
eq({2,3}, meths.get_var('bvar'))
|
|
|
|
req = {
|
|
{'nvim_set_current_line', 'little line'},
|
|
{'nvim_set_var', {'avar', 3}},
|
|
}
|
|
status, err = pcall(meths.call_atomic, req)
|
|
eq(false, status)
|
|
ok(err:match('Args must be Array') ~= nil)
|
|
-- call before was done, but not after
|
|
eq(1, meths.get_var('avar'))
|
|
eq({''}, meths.buf_get_lines(0, 0, -1, true))
|
|
end)
|
|
end)
|
|
|
|
describe('list_runtime_paths', function()
|
|
it('returns nothing with empty &runtimepath', function()
|
|
meths.set_option('runtimepath', '')
|
|
eq({}, meths.list_runtime_paths())
|
|
end)
|
|
it('returns single runtimepath', function()
|
|
meths.set_option('runtimepath', 'a')
|
|
eq({'a'}, meths.list_runtime_paths())
|
|
end)
|
|
it('returns two runtimepaths', function()
|
|
meths.set_option('runtimepath', 'a,b')
|
|
eq({'a', 'b'}, meths.list_runtime_paths())
|
|
end)
|
|
it('returns empty strings when appropriate', function()
|
|
meths.set_option('runtimepath', 'a,,b')
|
|
eq({'a', '', 'b'}, meths.list_runtime_paths())
|
|
meths.set_option('runtimepath', ',a,b')
|
|
eq({'', 'a', 'b'}, meths.list_runtime_paths())
|
|
meths.set_option('runtimepath', 'a,b,')
|
|
eq({'a', 'b', ''}, meths.list_runtime_paths())
|
|
end)
|
|
it('truncates too long paths', function()
|
|
local long_path = ('/a'):rep(8192)
|
|
meths.set_option('runtimepath', long_path)
|
|
local paths_list = meths.list_runtime_paths()
|
|
neq({long_path}, paths_list)
|
|
eq({long_path:sub(1, #(paths_list[1]))}, paths_list)
|
|
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)
|
|
|
|
it('does not truncate error message <1 MB #5984', function()
|
|
local very_long_name = 'A'..('x'):rep(10000)..'Z'
|
|
local status, err = pcall(nvim, 'get_option', very_long_name)
|
|
eq(false, status)
|
|
eq(very_long_name, err:match('Ax+Z?'))
|
|
end)
|
|
|
|
it("does not leak memory on incorrect argument types", function()
|
|
local status, err = pcall(nvim, 'set_current_dir',{'not', 'a', 'dir'})
|
|
eq(false, status)
|
|
ok(err:match(': Wrong type for argument 1, expecting String') ~= nil)
|
|
end)
|
|
|
|
end)
|