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|
local helpers = require('test.functional.helpers')(after_each)
local Screen = require('test.functional.ui.screen')
local eq = helpers.eq
local feed = helpers.feed
local clear = helpers.clear
local meths = helpers.meths
local funcs = helpers.funcs
local source = helpers.source
local dedent = helpers.dedent
local curbufmeths = helpers.curbufmeths
local screen
-- Bug in input() handling: {REDRAW} will erase the whole prompt up until
-- user types something. It exists in Vim as well, so using `h<BS>` as
-- a workaround.
local function redraw_input()
feed('{REDRAW}h<BS>')
end
before_each(function()
clear()
screen = Screen.new(40, 8)
screen:attach()
source([[
highlight RBP1 guibg=Red
highlight RBP2 guibg=Yellow
highlight RBP3 guibg=Green
highlight RBP4 guibg=Blue
let g:NUM_LVLS = 4
function Redraw()
redraw!
return ''
endfunction
let g:EMPTY = ''
cnoremap <expr> {REDRAW} Redraw()
nnoremap <expr> {PROMPT} extend(g:, {"out": input({"prompt": ":", "highlight": g:Nvim_color_input})}).EMPTY
function RainBowParens(cmdline)
let ret = []
let i = 0
let lvl = 0
while i < len(a:cmdline)
if a:cmdline[i] is# '('
call add(ret, [i, i + 1, 'RBP' . ((lvl % g:NUM_LVLS) + 1)])
let lvl += 1
elseif a:cmdline[i] is# ')'
let lvl -= 1
call add(ret, [i, i + 1, 'RBP' . ((lvl % g:NUM_LVLS) + 1)])
endif
let i += 1
endwhile
return ret
endfunction
function SplittedMultibyteStart(cmdline)
let ret = []
let i = 0
while i < len(a:cmdline)
let char = nr2char(char2nr(a:cmdline[i:]))
if a:cmdline[i:i + len(char) - 1] is# char
if len(char) > 1
call add(ret, [i + 1, i + len(char), 'RBP2'])
endif
let i += len(char)
else
let i += 1
endif
endwhile
return ret
endfunction
function SplittedMultibyteEnd(cmdline)
let ret = []
let i = 0
while i < len(a:cmdline)
let char = nr2char(char2nr(a:cmdline[i:]))
if a:cmdline[i:i + len(char) - 1] is# char
if len(char) > 1
call add(ret, [i, i + 1, 'RBP1'])
endif
let i += len(char)
else
let i += 1
endif
endwhile
return ret
endfunction
function Echoing(cmdline)
echo 'HERE'
return v:_null_list
endfunction
function Echoning(cmdline)
echon 'HERE'
return v:_null_list
endfunction
function Echomsging(cmdline)
echomsg 'HERE'
return v:_null_list
endfunction
function Echoerring(cmdline)
echoerr 'HERE'
return v:_null_list
endfunction
function Redrawing(cmdline)
redraw!
return v:_null_list
endfunction
function Throwing(cmdline)
throw "ABC"
return v:_null_list
endfunction
function Halting(cmdline)
while 1
endwhile
endfunction
]])
screen:set_default_attr_ids({
RBP1={background = Screen.colors.Red},
RBP2={background = Screen.colors.Yellow},
RBP3={background = Screen.colors.Green},
RBP4={background = Screen.colors.Blue},
EOB={bold = true, foreground = Screen.colors.Blue1},
ERR={foreground = Screen.colors.Grey100, background = Screen.colors.Red},
SK={foreground = Screen.colors.Blue},
PE={bold = true, foreground = Screen.colors.SeaGreen4}
})
end)
local function set_color_cb(funcname)
meths.set_var('Nvim_color_input', funcname)
end
local function start_prompt(text)
feed('{PROMPT}' .. (text or ''))
end
describe('Command-line coloring', function()
it('works', function()
set_color_cb('RainBowParens')
meths.set_option('more', false)
start_prompt()
screen:expect([[
|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:^ |
]])
feed('e')
screen:expect([[
|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:e^ |
]])
feed('cho ')
screen:expect([[
|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:echo ^ |
]])
feed('(')
screen:expect([[
|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:echo {RBP1:(}^ |
]])
feed('(')
screen:expect([[
|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:echo {RBP1:(}{RBP2:(}^ |
]])
feed('42')
screen:expect([[
|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:echo {RBP1:(}{RBP2:(}42^ |
]])
feed('))')
screen:expect([[
|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:echo {RBP1:(}{RBP2:(}42{RBP2:)}{RBP1:)}^ |
]])
feed('<BS>')
screen:expect([[
|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:echo {RBP1:(}{RBP2:(}42{RBP2:)}^ |
]])
redraw_input()
screen:expect([[
|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:echo {RBP1:(}{RBP2:(}42{RBP2:)}^ |
]])
end)
for _, func_part in ipairs({'', 'n', 'msg'}) do
it('disables :echo' .. func_part .. ' messages', function()
set_color_cb('Echo' .. func_part .. 'ing')
start_prompt('echo')
screen:expect([[
|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:echo^ |
]])
end)
end
it('does the right thing when hl start appears to split multibyte char',
function()
set_color_cb('SplittedMultibyteStart')
start_prompt('echo "«')
screen:expect([[
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:echo " |
{ERR:E5405: Chunk 0 start 7 splits multibyte }|
{ERR:character} |
:echo "«^ |
]])
feed('»')
screen:expect([[
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:echo " |
{ERR:E5405: Chunk 0 start 7 splits multibyte }|
{ERR:character} |
:echo "«»^ |
]])
end)
it('does the right thing when hl end appears to split multibyte char',
function()
set_color_cb('SplittedMultibyteEnd')
start_prompt('echo "«')
screen:expect([[
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:echo " |
{ERR:E5406: Chunk 0 end 7 splits multibyte ch}|
{ERR:aracter} |
:echo "«^ |
]])
end)
it('does the right thing when errorring', function()
set_color_cb('Echoerring')
start_prompt('e')
screen:expect([[
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
: |
{ERR:E5407: Callback has thrown an exception:}|
{ERR: Vim(echoerr):HERE} |
:e^ |
]])
end)
it('does the right thing when throwing', function()
set_color_cb('Throwing')
start_prompt('e')
screen:expect([[
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
: |
{ERR:E5407: Callback has thrown an exception:}|
{ERR: ABC} |
:e^ |
]])
end)
it('stops executing callback after a number of errors', function()
set_color_cb('SplittedMultibyteStart')
start_prompt('let x = "«»«»«»«»«»"\n')
screen:expect([[
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:let x = " |
{ERR:E5405: Chunk 0 start 10 splits multibyte}|
{ERR: character} |
^:let x = "«»«»«»«»«»" |
]])
feed('\n')
screen:expect([[
^ |
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
|
]])
eq('let x = "«»«»«»«»«»"', meths.get_var('out'))
local msg = '\nE5405: Chunk 0 start 10 splits multibyte character'
eq(msg:rep(1), funcs.execute('messages'))
end)
it('allows interrupting callback with <C-c>', function()
set_color_cb('Halting')
start_prompt('echo 42')
screen:expect([[
^ |
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
|
]])
feed('<C-c>')
screen:expect([[
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
: |
{ERR:E5407: Callback has thrown an exception:}|
{ERR: Keyboard interrupt} |
:echo 42^ |
]])
redraw_input()
screen:expect([[
|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:echo 42^ |
]])
feed('\n')
screen:expect([[
|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
^:echo 42 |
]])
feed('\n')
eq('echo 42', meths.get_var('out'))
feed('<C-c>')
screen:expect([[
^ |
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
Type :quit<Enter> to exit Nvim |
]])
end)
it('works fine with NUL, NL, CR', function()
set_color_cb('RainBowParens')
start_prompt('echo ("<C-v><CR><C-v><Nul><C-v><NL>")')
screen:expect([[
|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:echo {RBP1:(}"{SK:^M^@^@}"{RBP1:)}^ |
]])
end)
-- TODO Check for all other errors
-- TODO Check for colored input() called in a cycle which previously errorred
-- out
end)
describe('Ex commands coloring support', function()
it('still executes command-line even if errored out', function()
meths.set_var('Nvim_color_cmdline', 'SplittedMultibyteStart')
feed(':let x = "«"\n')
eq('«', meths.get_var('x'))
local msg = 'E5405: Chunk 0 start 10 splits multibyte character'
eq('\n'..msg, funcs.execute('messages'))
end)
it('does not error out when called from a errorred out cycle', function()
-- Apparently when there is a cycle in which one of the commands errors out
-- this error may be caught by color_cmdline before it is presented to the
-- user.
feed(dedent([[
:set regexpengine=2
:for pat in [' \ze*', ' \zs*']
: try
: let l = matchlist('x x', pat)
: $put ='E888 NOT detected for ' . pat
: catch
: $put ='E888 detected for ' . pat
: endtry
:endfor
]]))
eq({'', 'E888 detected for \\ze*', 'E888 detected for \\zs*'},
curbufmeths.get_lines(0, -1, false))
eq('', funcs.execute('messages'))
end)
it('does not crash when using `n` in debug mode', function()
feed(':debug execute "echo 1"\n')
screen:expect([[
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
Entering Debug mode. Type "cont" to con|
tinue. |
cmd: execute "echo 1" |
>^ |
]])
feed('n\n')
screen:expect([[
{EOB:~ }|
{EOB:~ }|
Entering Debug mode. Type "cont" to con|
tinue. |
cmd: execute "echo 1" |
>n |
1 |
{PE:Press ENTER or type command to continue}^ |
]])
feed('\n')
screen:expect([[
^ |
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
|
]])
end)
it('does not prevent mapping error from cancelling prompt', function()
meths.command("cnoremap <expr> x execute('throw 42')[-1]")
feed(':#x')
screen:expect([[
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
:# |
{ERR:Error detected while processing :} |
{ERR:E605: Exception not caught: 42} |
:#^ |
]])
feed('<CR>')
screen:expect([[
^ |
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
|
]])
feed('<CR>')
screen:expect([[
^ |
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
{EOB:~ }|
|
]])
eq('\nError detected while processing :\nE605: Exception not caught: 42',
meths.command_output('messages'))
end)
end)
-- TODO Specifically test for coloring in cmdline and expr modes
-- TODO Check for errors from tv_dict_get_callback()
-- TODO Check using highlighted input() from inside highlighted input()
|