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local helpers = require('test.functional.helpers')(after_each)
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 command = helpers.command
describe('execute()', function()
before_each(clear)
it('captures the same result as :redir', function()
eq(redir_exec('messages'), funcs.execute('messages'))
end)
it('captures the concatenated outputs of a List of commands', function()
eq("foobar", funcs.execute({'echon "foo"', 'echon "bar"'}))
eq("\nfoo\nbar", funcs.execute({'echo "foo"', 'echo "bar"'}))
end)
it('supports 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.execute('call g:Bar()'))
eq('42', funcs.execute([[echon execute("echon execute('echon 42')")]]))
end)
it('captures a transformed string', function()
eq('^A', funcs.execute('echon "\\<C-a>"'))
end)
it('returns empty string if the argument list is empty', function()
eq('', funcs.execute({}))
eq(0, exc_exec('let g:ret = execute(v:_null_list)'))
eq('', eval('g:ret'))
end)
it('captures errors', function()
local ret
ret = exc_exec('call execute(0.0)')
eq('Vim(call):E806: using Float as a String', ret)
ret = exc_exec('call execute(v:_null_dict)')
eq('Vim(call):E731: using Dictionary as a String', ret)
ret = exc_exec('call execute(function("tr"))')
eq('Vim(call):E729: using Funcref as a String', ret)
ret = exc_exec('call execute(["echo 42", 0.0, "echo 44"])')
eq('Vim:E806: using Float as a String', ret)
ret = exc_exec('call execute(["echo 42", v:_null_dict, "echo 44"])')
eq('Vim:E731: using Dictionary as a String', ret)
ret = exc_exec('call execute(["echo 42", function("tr"), "echo 44"])')
eq('Vim:E729: using Funcref as a String', ret)
end)
-- This matches Vim behavior.
it('does not capture shell-command output', function()
eq('\n:!echo "foo"\13\n', funcs.execute('!echo "foo"'))
end)
describe('{silent} argument', function()
it('captures & displays output for ""', function()
local screen = Screen.new(40, 5)
screen:attach()
command('let g:mes = execute("echon 42", "")')
screen:expect([[
^ |
~ |
~ |
~ |
42 |
]])
eq('42', eval('g:mes'))
end)
it('captures but does not display output for "silent"', function()
local screen = Screen.new(40, 5)
screen:attach()
command('let g:mes = execute("echon 42")')
screen:expect([[
^ |
~ |
~ |
~ |
|
]])
eq('42', eval('g:mes'))
command('let g:mes = execute("echon 13", "silent")')
screen:expect([[
^ |
~ |
~ |
~ |
|
]])
eq('13', eval('g:mes'))
end)
it('suppresses errors for "silent!"', function()
eq(0, exc_exec('let g:mes = execute(0.0, "silent!")'))
eq('', eval('g:mes'))
eq(0, exc_exec('let g:mes = execute("echon add(1, 1)", "silent!")'))
eq('1', eval('g:mes'))
eq(0, exc_exec('let g:mes = execute(["echon 42", "echon add(1, 1)"], "silent!")'))
eq('421', eval('g:mes'))
end)
it('propagates errors for "" and "silent"', function()
local ret
ret = exc_exec('call execute(0.0, "")')
eq('Vim(call):E806: using Float as a String', ret)
ret = exc_exec('call execute(v:_null_dict, "silent")')
eq('Vim(call):E731: using Dictionary as a String', ret)
ret = exc_exec('call execute("echo add(1, 1)", "")')
eq('Vim(echo):E714: List required', ret)
ret = exc_exec('call execute(["echon 42", "echo add(1, 1)"], "")')
eq('Vim(echo):E714: List required', ret)
ret = exc_exec('call execute("echo add(1, 1)", "silent")')
eq('Vim(echo):E714: List required', ret)
ret = exc_exec('call execute(["echon 42", "echo add(1, 1)"], "silent")')
eq('Vim(echo):E714: List required', ret)
end)
end)
end)
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