diff options
Diffstat (limited to 'test/functional/api/vim_spec.lua')
| -rw-r--r-- | test/functional/api/vim_spec.lua | 614 |
1 files changed, 598 insertions, 16 deletions
diff --git a/test/functional/api/vim_spec.lua b/test/functional/api/vim_spec.lua index 8f9f155110..718294d941 100644 --- a/test/functional/api/vim_spec.lua +++ b/test/functional/api/vim_spec.lua @@ -1,5 +1,7 @@ local helpers = require('test.functional.helpers')(after_each) local Screen = require('test.functional.ui.screen') +local global_helpers = require('test.helpers') + local NIL = helpers.NIL local clear, nvim, eq, neq = helpers.clear, helpers.nvim, helpers.eq, helpers.neq local ok, nvim_async, feed = helpers.ok, helpers.nvim_async, helpers.feed @@ -9,6 +11,11 @@ local funcs = helpers.funcs local request = helpers.request local meth_pcall = helpers.meth_pcall local command = helpers.command +local iswin = helpers.iswin + +local intchar2lua = global_helpers.intchar2lua +local format_string = global_helpers.format_string +local mergedicts_copy = global_helpers.mergedicts_copy describe('api', function() before_each(clear) @@ -31,7 +38,7 @@ describe('api', function() os.remove(fname) end) - it("VimL error: fails (VimL error), does NOT update v:errmsg", function() + it("parse error: fails (specific error), does NOT update v:errmsg", function() -- Most API methods return generic errors (or no error) if a VimL -- expression fails; nvim_command returns the VimL error details. local status, rv = pcall(nvim, "command", "bogus_command") @@ -39,6 +46,85 @@ describe('api', function() eq("E492:", string.match(rv, "E%d*:")) -- VimL error was returned. eq("", nvim("eval", "v:errmsg")) -- v:errmsg was not updated. end) + + it("runtime error: fails (specific error)", function() + local status, rv = pcall(nvim, "command_output", "buffer 23487") + eq(false, status) -- nvim_command() failed. + eq("E86: Buffer 23487 does not exist", string.match(rv, "E%d*:.*")) + eq("", nvim("eval", "v:errmsg")) -- v:errmsg was not updated. + end) + end) + + describe('nvim_command_output', function() + it('does not induce hit-enter prompt', function() + -- Induce a hit-enter prompt use nvim_input (non-blocking). + nvim('command', 'set cmdheight=1') + nvim('input', [[:echo "hi\nhi2"<CR>]]) + + -- Verify hit-enter prompt. + eq({mode='r', blocking=true}, nvim("get_mode")) + nvim('input', [[<C-c>]]) + + -- Verify NO hit-enter prompt. + nvim('command_output', [[echo "hi\nhi2"]]) + eq({mode='n', blocking=false}, nvim("get_mode")) + end) + + it('captures command output', function() + eq('this is\nspinal tap', + nvim('command_output', [[echo "this is\nspinal tap"]])) + eq('no line ending!', + nvim('command_output', [[echon "no line ending!"]])) + end) + + it('captures empty command output', function() + eq('', nvim('command_output', 'echo')) + end) + + it('captures single-char command output', function() + eq('x', nvim('command_output', 'echo "x"')) + end) + + it('captures multiple commands', function() + eq('foo\n 1 %a "[No Name]" line 1', + nvim('command_output', 'echo "foo" | ls')) + end) + + it('captures nested execute()', function() + eq('\nnested1\nnested2\n 1 %a "[No Name]" line 1', + nvim('command_output', + [[echo execute('echo "nested1\nnested2"') | ls]])) + end) + + it('captures nested nvim_command_output()', function() + eq('nested1\nnested2\n 1 %a "[No Name]" line 1', + nvim('command_output', + [[echo nvim_command_output('echo "nested1\nnested2"') | ls]])) + end) + + it('returns shell |:!| output', function() + local win_lf = iswin() and '\r' or '' + eq(':!echo foo\r\n\nfoo'..win_lf..'\n', nvim('command_output', [[!echo foo]])) + end) + + it("parse error: fails (specific error), does NOT update v:errmsg", function() + local status, rv = pcall(nvim, "command_output", "bogus commannnd") + eq(false, status) -- nvim_command_output() failed. + eq("E492: Not an editor command: bogus commannnd", + string.match(rv, "E%d*:.*")) + eq("", nvim("eval", "v:errmsg")) -- v:errmsg was not updated. + -- Verify NO hit-enter prompt. + eq({mode='n', blocking=false}, nvim("get_mode")) + end) + + it("runtime error: fails (specific error)", function() + local status, rv = pcall(nvim, "command_output", "buffer 42") + eq(false, status) -- nvim_command_output() failed. + eq("E86: Buffer 42 does not exist", string.match(rv, "E%d*:.*")) + eq("", nvim("eval", "v:errmsg")) -- v:errmsg was not updated. + -- Verify NO hit-enter prompt. + eq({mode='n', blocking=false}, nvim("get_mode")) + end) end) describe('nvim_eval', function() @@ -81,6 +167,36 @@ describe('api', function() end) end) + describe('nvim_execute_lua', function() + it('works', function() + meths.execute_lua('vim.api.nvim_set_var("test", 3)', {}) + eq(3, meths.get_var('test')) + + eq(17, meths.execute_lua('a, b = ...\nreturn a + b', {10,7})) + + eq(NIL, meths.execute_lua('function xx(a,b)\nreturn a..b\nend',{})) + eq("xy", meths.execute_lua('return xx(...)', {'x','y'})) + end) + + it('reports errors', function() + eq({false, 'Error loading lua: [string "<nvim>"]:1: '.. + "'=' expected near '+'"}, + meth_pcall(meths.execute_lua, 'a+*b', {})) + + eq({false, 'Error loading lua: [string "<nvim>"]:1: '.. + "unexpected symbol near '1'"}, + meth_pcall(meths.execute_lua, '1+2', {})) + + eq({false, 'Error loading lua: [string "<nvim>"]:1: '.. + "unexpected symbol"}, + meth_pcall(meths.execute_lua, 'aa=bb\0', {})) + + eq({false, 'Error executing lua: [string "<nvim>"]:1: '.. + "attempt to call global 'bork' (a nil value)"}, + meth_pcall(meths.execute_lua, 'bork()', {})) + end) + end) + describe('nvim_input', function() it("VimL error: does NOT fail, updates v:errmsg", function() local status, _ = pcall(nvim, "input", ":call bogus_fn()<CR>") @@ -119,7 +235,7 @@ describe('api', function() eq(1, funcs.exists('g:lua')) meths.del_var('lua') eq(0, funcs.exists('g:lua')) - eq({false, 'Key "lua" doesn\'t exist'}, meth_pcall(meths.del_var, 'lua')) + eq({false, 'Key does not exist: lua'}, meth_pcall(meths.del_var, 'lua')) meths.set_var('lua', 1) command('lockvar lua') eq({false, 'Key is locked: lua'}, meth_pcall(meths.del_var, 'lua')) @@ -221,6 +337,170 @@ describe('api', function() end) end) + describe('nvim_get_mode', function() + it("during normal-mode `g` returns blocking=true", function() + nvim("input", "o") -- add a line + eq({mode='i', blocking=false}, nvim("get_mode")) + nvim("input", [[<C-\><C-N>]]) + eq(2, nvim("eval", "line('.')")) + eq({mode='n', blocking=false}, nvim("get_mode")) + + nvim("input", "g") + eq({mode='n', blocking=true}, nvim("get_mode")) + + nvim("input", "k") -- complete the operator + eq(1, nvim("eval", "line('.')")) -- verify the completed operator + eq({mode='n', blocking=false}, nvim("get_mode")) + end) + + it("returns the correct result multiple consecutive times", function() + for _ = 1,5 do + eq({mode='n', blocking=false}, nvim("get_mode")) + end + nvim("input", "g") + for _ = 1,4 do + eq({mode='n', blocking=true}, nvim("get_mode")) + end + nvim("input", "g") + for _ = 1,7 do + eq({mode='n', blocking=false}, nvim("get_mode")) + end + end) + + it("during normal-mode CTRL-W, returns blocking=true", function() + nvim("input", "<C-W>") + eq({mode='n', blocking=true}, nvim("get_mode")) + + nvim("input", "s") -- complete the operator + eq(2, nvim("eval", "winnr('$')")) -- verify the completed operator + eq({mode='n', blocking=false}, nvim("get_mode")) + end) + + it("during press-enter prompt returns blocking=true", function() + eq({mode='n', blocking=false}, nvim("get_mode")) + command("echom 'msg1'") + command("echom 'msg2'") + command("echom 'msg3'") + command("echom 'msg4'") + command("echom 'msg5'") + eq({mode='n', blocking=false}, nvim("get_mode")) + nvim("input", ":messages<CR>") + eq({mode='r', blocking=true}, nvim("get_mode")) + end) + + it("during getchar() returns blocking=false", function() + nvim("input", ":let g:test_input = nr2char(getchar())<CR>") + -- Events are enabled during getchar(), RPC calls are *not* blocked. #5384 + eq({mode='n', blocking=false}, nvim("get_mode")) + eq(0, nvim("eval", "exists('g:test_input')")) + nvim("input", "J") + eq("J", nvim("eval", "g:test_input")) + eq({mode='n', blocking=false}, nvim("get_mode")) + end) + + -- TODO: bug #6247#issuecomment-286403810 + it("batched with input", function() + eq({mode='n', blocking=false}, nvim("get_mode")) + command("echom 'msg1'") + command("echom 'msg2'") + command("echom 'msg3'") + command("echom 'msg4'") + command("echom 'msg5'") + + local req = { + {'nvim_get_mode', {}}, + {'nvim_input', {':messages<CR>'}}, + {'nvim_get_mode', {}}, + {'nvim_eval', {'1'}}, + } + eq({ { {mode='n', blocking=false}, + 13, + {mode='n', blocking=false}, -- TODO: should be blocked=true ? + 1 }, + NIL}, meths.call_atomic(req)) + eq({mode='r', blocking=true}, nvim("get_mode")) + end) + it("during insert-mode map-pending, returns blocking=true #6166", function() + command("inoremap xx foo") + nvim("input", "ix") + eq({mode='i', blocking=true}, nvim("get_mode")) + end) + it("during normal-mode gU, returns blocking=false #6166", function() + nvim("input", "gu") + eq({mode='no', blocking=false}, nvim("get_mode")) + end) + end) + + describe('RPC (K_EVENT) #6166', function() + it('does not complete ("interrupt") normal-mode operator-pending', function() + helpers.insert([[ + FIRST LINE + SECOND LINE]]) + nvim('input', 'gg') + nvim('input', 'gu') + -- Make any RPC request (can be non-async: op-pending does not block). + nvim('get_current_buf') + -- Buffer should not change. + helpers.expect([[ + FIRST LINE + SECOND LINE]]) + -- Now send input to complete the operator. + nvim('input', 'j') + helpers.expect([[ + first line + second line]]) + end) + + it('does not complete ("interrupt") `d` #3732', function() + local screen = Screen.new(20, 4) + screen:attach() + command('set listchars=eol:$') + command('set list') + feed('ia<cr>b<cr>c<cr><Esc>kkk') + feed('d') + -- Make any RPC request (can be non-async: op-pending does not block). + nvim('get_current_buf') + screen:expect([[ + ^a$ | + b$ | + c$ | + | + ]]) + end) + + it('does not complete ("interrupt") normal-mode map-pending', function() + command("nnoremap dd :let g:foo='it worked...'<CR>") + helpers.insert([[ + FIRST LINE + SECOND LINE]]) + nvim('input', 'gg') + nvim('input', 'd') + -- Make any RPC request (must be async, because map-pending blocks). + nvim('get_api_info') + -- Send input to complete the mapping. + nvim('input', 'd') + helpers.expect([[ + FIRST LINE + SECOND LINE]]) + eq('it worked...', helpers.eval('g:foo')) + end) + it('does not complete ("interrupt") insert-mode map-pending', function() + command('inoremap xx foo') + command('set timeoutlen=9999') + helpers.insert([[ + FIRST LINE + SECOND LINE]]) + nvim('input', 'ix') + -- Make any RPC request (must be async, because map-pending blocks). + nvim('get_api_info') + -- Send input to complete the mapping. + nvim('input', 'x') + helpers.expect([[ + FIRST LINE + SECOND LINfooE]]) + end) + end) + describe('nvim_replace_termcodes', function() it('escapes K_SPECIAL as K_SPECIAL KS_SPECIAL KE_FILLER', function() eq('\128\254X', helpers.nvim('replace_termcodes', '\128', true, true, true)) @@ -241,6 +521,27 @@ describe('api', function() eq('\128\253\44', helpers.nvim('replace_termcodes', '<LeftMouse>', true, true, true)) end) + + it('converts keycodes', function() + eq('\nx\27x\rx<x', helpers.nvim('replace_termcodes', + '<NL>x<Esc>x<CR>x<lt>x', true, true, true)) + end) + + it('does not convert keycodes if special=false', function() + eq('<NL>x<Esc>x<CR>x<lt>x', helpers.nvim('replace_termcodes', + '<NL>x<Esc>x<CR>x<lt>x', true, true, false)) + end) + + it('does not crash when transforming an empty string', function() + -- Actually does not test anything, because current code will use NULL for + -- an empty string. + -- + -- Problem here is that if String argument has .data in allocated memory + -- then `return str` in vim_replace_termcodes body will make Neovim free + -- `str.data` twice: once when freeing arguments, then when freeing return + -- value. + eq('', meths.replace_termcodes('', true, true, true)) + end) end) describe('nvim_feedkeys', function() @@ -249,13 +550,13 @@ describe('api', function() -- notice the special char(…) \xe2\80\xa6 nvim('feedkeys', ':let x1="…"\n', '', true) - -- Both replace_termcodes and feedkeys escape \x80 + -- Both nvim_replace_termcodes and nvim_feedkeys escape \x80 local inp = helpers.nvim('replace_termcodes', ':let x2="…"<CR>', true, true, true) - nvim('feedkeys', inp, '', true) + nvim('feedkeys', inp, '', true) -- escape_csi=true - -- Disabling CSI escaping in feedkeys + -- nvim_feedkeys with CSI escaping disabled inp = helpers.nvim('replace_termcodes', ':let x3="…"<CR>', true, true, true) - nvim('feedkeys', inp, '', false) + nvim('feedkeys', inp, '', false) -- escape_csi=false helpers.stop() end @@ -280,7 +581,8 @@ describe('api', function() screen:set_default_attr_ids({ [0] = {bold=true, foreground=Screen.colors.Blue}, [1] = {foreground = Screen.colors.White, background = Screen.colors.Red}, - [2] = {bold = true, foreground = Screen.colors.SeaGreen} + [2] = {bold = true, foreground = Screen.colors.SeaGreen}, + [3] = {bold = true, reverse = true}, }) end) @@ -301,11 +603,11 @@ describe('api', function() 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:~ }| + {3: }| {1:something happened} | {1:very bad} | {2:Press ENTER or type command to continue}^ | @@ -315,9 +617,9 @@ describe('api', function() it('shows return prompt after all lines are shown', function() nvim_async('err_write', 'FAILURE\nERROR\nEXCEPTION\nTRACEBACK\n') screen:expect([[ + | {0:~ }| - {0:~ }| - {0:~ }| + {3: }| {1:FAILURE} | {1:ERROR} | {1:EXCEPTION} | @@ -345,11 +647,11 @@ describe('api', function() -- shows up to &cmdheight lines nvim_async('err_write', 'more fail\ntoo fail\n') screen:expect([[ + | {0:~ }| {0:~ }| {0:~ }| - {0:~ }| - {0:~ }| + {3: }| {1:more fail} | {1:too fail} | {2:Press ENTER or type command to continue}^ | @@ -412,7 +714,7 @@ describe('api', function() eq(5, meths.get_var('avar')) end) - it('throws error on malformated arguments', function() + it('throws error on malformed arguments', function() local req = { {'nvim_set_var', {'avar', 1}}, {'nvim_set_var'}, @@ -439,23 +741,303 @@ describe('api', function() } status, err = pcall(meths.call_atomic, req) eq(false, status) - ok(err:match('args must be Array') ~= nil) + 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('nvim_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("doesn't leak memory on incorrect argument types", function() + 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) + describe('nvim_parse_expression', function() + before_each(function() + meths.set_option('isident', '') + end) + local function simplify_east_api_node(line, east_api_node) + if east_api_node == NIL then + return nil + end + if east_api_node.children then + for k, v in pairs(east_api_node.children) do + east_api_node.children[k] = simplify_east_api_node(line, v) + end + end + local typ = east_api_node.type + if typ == 'Register' then + typ = typ .. ('(name=%s)'):format( + tostring(intchar2lua(east_api_node.name))) + east_api_node.name = nil + elseif typ == 'PlainIdentifier' then + typ = typ .. ('(scope=%s,ident=%s)'):format( + tostring(intchar2lua(east_api_node.scope)), east_api_node.ident) + east_api_node.scope = nil + east_api_node.ident = nil + elseif typ == 'PlainKey' then + typ = typ .. ('(key=%s)'):format(east_api_node.ident) + east_api_node.ident = nil + elseif typ == 'Comparison' then + typ = typ .. ('(type=%s,inv=%u,ccs=%s)'):format( + east_api_node.cmp_type, east_api_node.invert and 1 or 0, + east_api_node.ccs_strategy) + east_api_node.ccs_strategy = nil + east_api_node.cmp_type = nil + east_api_node.invert = nil + elseif typ == 'Integer' then + typ = typ .. ('(val=%u)'):format(east_api_node.ivalue) + east_api_node.ivalue = nil + elseif typ == 'Float' then + typ = typ .. format_string('(val=%e)', east_api_node.fvalue) + east_api_node.fvalue = nil + elseif typ == 'SingleQuotedString' or typ == 'DoubleQuotedString' then + typ = format_string('%s(val=%q)', typ, east_api_node.svalue) + east_api_node.svalue = nil + elseif typ == 'Option' then + typ = ('%s(scope=%s,ident=%s)'):format( + typ, + tostring(intchar2lua(east_api_node.scope)), + east_api_node.ident) + east_api_node.ident = nil + east_api_node.scope = nil + elseif typ == 'Environment' then + typ = ('%s(ident=%s)'):format(typ, east_api_node.ident) + east_api_node.ident = nil + elseif typ == 'Assignment' then + local aug = east_api_node.augmentation + if aug == '' then aug = 'Plain' end + typ = ('%s(%s)'):format(typ, aug) + east_api_node.augmentation = nil + end + typ = ('%s:%u:%u:%s'):format( + typ, east_api_node.start[1], east_api_node.start[2], + line:sub(east_api_node.start[2] + 1, + east_api_node.start[2] + 1 + east_api_node.len - 1)) + assert(east_api_node.start[2] + east_api_node.len - 1 <= #line) + for k, _ in pairs(east_api_node.start) do + assert(({true, true})[k]) + end + east_api_node.start = nil + east_api_node.type = nil + east_api_node.len = nil + local can_simplify = true + for _, _ in pairs(east_api_node) do + if can_simplify then can_simplify = false end + end + if can_simplify then + return typ + else + east_api_node[1] = typ + return east_api_node + end + end + local function simplify_east_api(line, east_api) + if east_api.error then + east_api.err = east_api.error + east_api.error = nil + east_api.err.msg = east_api.err.message + east_api.err.message = nil + end + if east_api.ast then + east_api.ast = {simplify_east_api_node(line, east_api.ast)} + if #east_api.ast == 0 then + east_api.ast = nil + end + end + if east_api.len == #line then + east_api.len = nil + end + return east_api + end + local function simplify_east_hl(line, east_hl) + for i, v in ipairs(east_hl) do + east_hl[i] = ('%s:%u:%u:%s'):format( + v[4], + v[1], + v[2], + line:sub(v[2] + 1, v[3])) + end + return east_hl + end + local FLAGS_TO_STR = { + [0] = "", + [1] = "m", + [2] = "E", + [3] = "mE", + [4] = "l", + [5] = "lm", + [6] = "lE", + [7] = "lmE", + } + local function _check_parsing(opts, str, exp_ast, exp_highlighting_fs, + nz_flags_exps) + if type(str) ~= 'string' then + return + end + local zflags = opts.flags[1] + nz_flags_exps = nz_flags_exps or {} + for _, flags in ipairs(opts.flags) do + local err, msg = pcall(function() + local east_api = meths.parse_expression(str, FLAGS_TO_STR[flags], true) + local east_hl = east_api.highlight + east_api.highlight = nil + local ast = simplify_east_api(str, east_api) + local hls = simplify_east_hl(str, east_hl) + local exps = { + ast = exp_ast, + hl_fs = exp_highlighting_fs, + } + local add_exps = nz_flags_exps[flags] + if not add_exps and flags == 3 + zflags then + add_exps = nz_flags_exps[1 + zflags] or nz_flags_exps[2 + zflags] + end + if add_exps then + if add_exps.ast then + exps.ast = mergedicts_copy(exps.ast, add_exps.ast) + end + if add_exps.hl_fs then + exps.hl_fs = mergedicts_copy(exps.hl_fs, add_exps.hl_fs) + end + end + eq(exps.ast, ast) + if exp_highlighting_fs then + local exp_highlighting = {} + local next_col = 0 + for i, h in ipairs(exps.hl_fs) do + exp_highlighting[i], next_col = h(next_col) + end + eq(exp_highlighting, hls) + end + end) + if not err then + if type(msg) == 'table' then + local merr, new_msg = pcall( + format_string, 'table error:\n%s\n\n(%r)', msg.message, msg) + if merr then + msg = new_msg + else + msg = format_string('table error without .message:\n(%r)', + msg) + end + elseif type(msg) ~= 'string' then + msg = format_string('non-string non-table error:\n%r', msg) + end + error(format_string('Error while processing test (%r, %s):\n%s', + str, FLAGS_TO_STR[flags], msg)) + end + end + end + local function hl(group, str, shift) + return function(next_col) + local col = next_col + (shift or 0) + return (('%s:%u:%u:%s'):format( + 'Nvim' .. group, + 0, + col, + str)), (col + #str) + end + end + local function fmtn(typ, args, rest) + if (typ == 'UnknownFigure' + or typ == 'DictLiteral' + or typ == 'CurlyBracesIdentifier' + or typ == 'Lambda') then + return ('%s%s'):format(typ, rest) + elseif typ == 'DoubleQuotedString' or typ == 'SingleQuotedString' then + if args:sub(-4) == 'NULL' then + args = args:sub(1, -5) .. '""' + end + return ('%s(%s)%s'):format(typ, args, rest) + end + end + assert:set_parameter('TableFormatLevel', 1000000) + require('test.unit.viml.expressions.parser_tests')( + it, _check_parsing, hl, fmtn) + end) + + describe('nvim_list_uis', function() + it('returns empty if --headless', function() + -- --embed implies --headless. + eq({}, nvim("list_uis")) + end) + it('returns attached UIs', function() + local screen = Screen.new(20, 4) + screen:attach() + local expected = { + { + ext_cmdline = false, + ext_popupmenu = false, + ext_tabline = false, + ext_wildmenu = false, + height = 4, + rgb = true, + width = 20, + } + } + eq(expected, nvim("list_uis")) + + screen:detach() + screen = Screen.new(44, 99) + screen:attach({ rgb = false }) + expected = { + { + ext_cmdline = false, + ext_popupmenu = false, + ext_tabline = false, + ext_wildmenu = false, + height = 99, + rgb = false, + width = 44, + } + } + eq(expected, nvim("list_uis")) + end) + end) + end) |