mirror of
https://github.com/neovim/neovim.git
synced 2024-12-23 04:35:04 -07:00
207 lines
6.9 KiB
Lua
207 lines
6.9 KiB
Lua
local helpers = require('test.functional.helpers')(after_each)
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local eq = helpers.eq
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local eval = helpers.eval
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local clear = helpers.clear
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local source = helpers.source
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local redir_exec = helpers.redir_exec
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local exc_exec = helpers.exc_exec
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local funcs = helpers.funcs
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local Screen = require('test.functional.ui.screen')
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local command = helpers.command
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local feed = helpers.feed
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local iswin = helpers.iswin
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describe('execute()', function()
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before_each(clear)
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it('captures the same result as :redir', function()
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eq(redir_exec('messages'), funcs.execute('messages'))
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end)
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it('captures the concatenated outputs of a List of commands', function()
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eq("foobar", funcs.execute({'echon "foo"', 'echon "bar"'}))
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eq("\nfoo\nbar", funcs.execute({'echo "foo"', 'echo "bar"'}))
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end)
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it('supports nested execute("execute(...)")', function()
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eq('42', funcs.execute([[echon execute("echon execute('echon 42')")]]))
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end)
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it('supports nested :redir to a variable', function()
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source([[
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function! g:Foo()
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let a = ''
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redir => a
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silent echon "foo"
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redir END
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return a
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endfunction
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function! g:Bar()
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let a = ''
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redir => a
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silent echon "bar1"
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call g:Foo()
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silent echon "bar2"
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redir END
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silent echon "bar3"
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return a
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endfunction
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]])
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eq('top1bar1foobar2bar3', funcs.execute('echon "top1"|call g:Bar()'))
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end)
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it('supports nested :redir to a register', function()
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source([[
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let @a = ''
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function! g:Foo()
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redir @a>>
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silent echon "foo"
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redir END
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return @a
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endfunction
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function! g:Bar()
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redir @a>>
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silent echon "bar1"
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call g:Foo()
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silent echon "bar2"
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redir END
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silent echon "bar3"
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return @a
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endfunction
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]])
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eq('top1bar1foobar2bar3', funcs.execute('echon "top1"|call g:Bar()'))
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-- :redir itself doesn't nest, so the redirection ends in g:Foo
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eq('bar1foo', eval('@a'))
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end)
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it('captures a transformed string', function()
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eq('^A', funcs.execute('echon "\\<C-a>"'))
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end)
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it('returns empty string if the argument list is empty', function()
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eq('', funcs.execute({}))
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eq(0, exc_exec('let g:ret = execute(v:_null_list)'))
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eq('', eval('g:ret'))
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end)
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it('captures errors', function()
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local ret
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ret = exc_exec('call execute(0.0)')
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eq('Vim(call):E806: using Float as a String', ret)
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ret = exc_exec('call execute(v:_null_dict)')
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eq('Vim(call):E731: using Dictionary as a String', ret)
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ret = exc_exec('call execute(function("tr"))')
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eq('Vim(call):E729: using Funcref as a String', ret)
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ret = exc_exec('call execute(["echo 42", 0.0, "echo 44"])')
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eq('Vim:E806: using Float as a String', ret)
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ret = exc_exec('call execute(["echo 42", v:_null_dict, "echo 44"])')
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eq('Vim:E731: using Dictionary as a String', ret)
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ret = exc_exec('call execute(["echo 42", function("tr"), "echo 44"])')
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eq('Vim:E729: using Funcref as a String', ret)
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end)
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it('captures output with highlights', function()
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eq('\nErrorMsg xxx ctermfg=15 ctermbg=1 guifg=White guibg=Red',
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eval('execute("hi ErrorMsg")'))
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end)
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it('does not corrupt the command display #5422', function()
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local screen = Screen.new(70, 7)
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screen:attach()
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feed(':echo execute("hi ErrorMsg")<CR>')
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screen:expect([[
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{1:~ }|
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{1:~ }|
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{2: }|
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:echo execute("hi ErrorMsg") |
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ErrorMsg xxx ctermfg=15 ctermbg=1 guifg=White guibg=Red |
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{3:Press ENTER or type command to continue}^ |
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]], {
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[1] = {bold = true, foreground = Screen.colors.Blue1},
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[2] = {bold = true, reverse = true},
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[3] = {bold = true, foreground = Screen.colors.SeaGreen4},
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})
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feed('<CR>')
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end)
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-- This deviates from vim behavior, but is consistent
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-- with how nvim currently displays the output.
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it('does capture shell-command output', function()
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local win_lf = iswin() and '\13' or ''
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eq('\n:!echo foo\r\n\nfoo'..win_lf..'\n', funcs.execute('!echo foo'))
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end)
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describe('{silent} argument', function()
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it('captures & displays output for ""', function()
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local screen = Screen.new(40, 5)
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screen:attach()
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command('let g:mes = execute("echon 42", "")')
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screen:expect([[
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^ |
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~ |
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~ |
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~ |
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42 |
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]])
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eq('42', eval('g:mes'))
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end)
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it('captures but does not display output for "silent"', function()
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local screen = Screen.new(40, 5)
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screen:attach()
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command('let g:mes = execute("echon 42")')
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screen:expect([[
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^ |
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~ |
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~ |
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~ |
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]])
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eq('42', eval('g:mes'))
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command('let g:mes = execute("echon 13", "silent")')
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screen:expect{grid=[[
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^ |
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~ |
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~ |
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~ |
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]], unchanged=true}
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eq('13', eval('g:mes'))
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end)
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it('suppresses errors for "silent!"', function()
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eq(0, exc_exec('let g:mes = execute(0.0, "silent!")'))
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eq('', eval('g:mes'))
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eq(0, exc_exec('let g:mes = execute("echon add(1, 1)", "silent!")'))
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eq('1', eval('g:mes'))
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eq(0, exc_exec('let g:mes = execute(["echon 42", "echon add(1, 1)"], "silent!")'))
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eq('421', eval('g:mes'))
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end)
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it('propagates errors for "" and "silent"', function()
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local ret
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ret = exc_exec('call execute(0.0, "")')
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eq('Vim(call):E806: using Float as a String', ret)
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ret = exc_exec('call execute(v:_null_dict, "silent")')
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eq('Vim(call):E731: using Dictionary as a String', ret)
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ret = exc_exec('call execute("echo add(1, 1)", "")')
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eq('Vim(echo):E714: List required', ret)
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ret = exc_exec('call execute(["echon 42", "echo add(1, 1)"], "")')
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eq('Vim(echo):E714: List required', ret)
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ret = exc_exec('call execute("echo add(1, 1)", "silent")')
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eq('Vim(echo):E714: List required', ret)
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ret = exc_exec('call execute(["echon 42", "echo add(1, 1)"], "silent")')
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eq('Vim(echo):E714: List required', ret)
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end)
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end)
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end)
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