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local helpers = require('test.functional.helpers')
local eq = helpers.eq
local eval = helpers.eval
local clear = helpers.clear
local source = helpers.source
local redir_exec = helpers.redir_exec
local exc_exec = helpers.exc_exec
local funcs = helpers.funcs
local Screen = require('test.functional.ui.screen')
local feed = helpers.feed
describe('capture()', function()
before_each(clear)
it('returns the same result with :redir', function()
eq(redir_exec('messages'), funcs.capture('messages'))
end)
it('returns the output of the commands if the argument is List', function()
eq("foobar", funcs.capture({'echon "foo"', 'echon "bar"'}))
eq("\nfoo\nbar", funcs.capture({'echo "foo"', 'echo "bar"'}))
end)
it('supports the nested redirection', function()
source([[
function! g:Foo()
let a = ''
redir => a
silent echon "foo"
redir END
return a
endfunction
function! g:Bar()
let a = ''
redir => a
call g:Foo()
redir END
return a
endfunction
]])
eq('foo', funcs.capture('call g:Bar()'))
eq('42', funcs.capture([[echon capture("echon capture('echon 42')")]]))
end)
it('returns the transformed string', function()
eq('^A', funcs.capture('echon "\\<C-a>"'))
end)
it('returns the empty string if the argument list is empty', function()
eq('', funcs.capture({}))
eq(0, exc_exec('let g:ret = capture(v:_null_list)'))
eq('', eval('g:ret'))
end)
it('returns the errors', function()
local ret
ret = exc_exec('call capture(0.0)')
eq('Vim(call):E806: using Float as a String', ret)
ret = exc_exec('call capture(v:_null_dict)')
eq('Vim(call):E731: using Dictionary as a String', ret)
ret = exc_exec('call capture(function("tr"))')
eq('Vim(call):E729: using Funcref as a String', ret)
ret = exc_exec('call capture(["echo 42", 0.0, "echo 44"])')
eq('Vim(call):E806: using Float as a String', ret)
ret = exc_exec('call capture(["echo 42", v:_null_dict, "echo 44"])')
eq('Vim(call):E731: using Dictionary as a String', ret)
ret = exc_exec('call capture(["echo 42", function("tr"), "echo 44"])')
eq('Vim(call):E729: using Funcref as a String', ret)
end)
it('silences command run inside', function()
local screen = Screen.new(20, 5)
screen:attach()
screen:set_default_attr_ignore({{bold=true, foreground=255}})
feed(':let g:mes = capture("echon 42")<CR>')
screen:expect([[
^ |
~ |
~ |
~ |
|
]])
eq('42', eval('g:mes'))
end)
end)
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