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|
" Tests for :help
import './util/mnv9.mnv' as v9
func Test_help_restore_snapshot()
help
set buftype=
help
edit x
help
helpclose
endfunc
func Test_help_restore_snapshot_split()
" Squeeze the unnamed buffer, Xfoo and the help one side-by-side and focus
" the first one before calling :help.
let bnr = bufnr()
botright vsp Xfoo
wincmd h
help
wincmd L
let g:did_bufenter = v:false
augroup T
au!
au BufEnter Xfoo let g:did_bufenter = v:true
augroup END
helpclose
augroup! T
" We're back to the unnamed buffer.
call assert_equal(bnr, bufnr())
" No BufEnter was triggered for Xfoo.
call assert_equal(v:false, g:did_bufenter)
close!
bwipe!
endfunc
func Test_help_errors()
call assert_fails('help doesnotexist', 'E149:')
call assert_fails('help!', 'E478:')
if has('multi_lang')
call assert_fails('help help@xy', 'E661:')
endif
let save_hf = &helpfile
set helpfile=help_missing
help
call assert_equal(1, winnr('$'))
call assert_notequal('help', &buftype)
let &helpfile = save_hf
call assert_fails('help ' . repeat('a', 1048), 'E149:')
new
set keywordprg=:help
call setline(1, " ")
call assert_fails('normal VK', 'E349:')
bwipe!
endfunc
func Test_helpclose_errors()
call assert_fails('42helpclose', 'E481:')
call assert_fails('helpclose 42', 'E488:')
call assert_fails('helpclose foo', 'E488:')
call assert_fails('helpclose!', 'E477:')
endfunc
func Test_help_expr()
help expr-!~?
call assert_equal('eval.txt', expand('%:t'))
close
endfunc
func Test_help_keyword()
new
set keywordprg=:help
call setline(1, " Visual ")
normal VK
call assert_match('^Visual mode', getline('.'))
call assert_equal('help', &ft)
close
bwipe!
endfunc
func Test_help_local_additions()
call mkdir('Xruntime/doc', 'pR')
call writefile(['*mydoc.txt* my awesome doc'], 'Xruntime/doc/mydoc.txt')
call writefile(['*mydoc-ext.txt* my extended awesome doc'], 'Xruntime/doc/mydoc-ext.txt')
let rtp_save = &rtp
set rtp+=./Xruntime
help local-additions
let lines = getline(line(".") + 1, search("^$") - 1)
call assert_equal([
\ '|mydoc-ext.txt| my extended awesome doc',
\ '|mydoc.txt| my awesome doc'
\ ], lines)
call delete('Xruntime/doc/mydoc-ext.txt')
close
call mkdir('Xruntime-ja/doc', 'pR')
call writefile(["local-additions\thelp.jax\t/*local-additions*"], 'Xruntime-ja/doc/tags-ja')
call writefile(['*help.txt* This is jax file', '',
\ 'LOCAL ADDITIONS: *local-additions*', ''], 'Xruntime-ja/doc/help.jax')
call writefile(['*work.txt* This is jax file'], 'Xruntime-ja/doc/work.jax')
call writefile(['*work2.txt* This is jax file'], 'Xruntime-ja/doc/work2.jax')
set rtp+=./Xruntime-ja
help local-additions@en
let lines = getline(line(".") + 1, search("^$") - 1)
call assert_equal([
\ '|mydoc.txt| my awesome doc'
\ ], lines)
close
help local-additions@ja
let lines = getline(line(".") + 1, search("^$") - 1)
call assert_equal([
\ '|mydoc.txt| my awesome doc',
\ '|help.txt| This is jax file',
\ '|work.txt| This is jax file',
\ '|work2.txt| This is jax file',
\ ], lines)
close
let &rtp = rtp_save
endfunc
func Test_help_completion()
call feedkeys(":help :undo\<C-A>\<C-B>\"\<CR>", 'tx')
call assert_equal('"help :undo :undoj :undol :undojoin :undolist', @:)
endfunc
" Test for the :helptags command
" NOTE: if you run tests as root this will fail. Don't run tests as root!
func Test_helptag_cmd()
call mkdir('Xtagdir/a/doc', 'pR')
" No help file to process in the directory
call assert_fails('helptags Xtagdir', 'E151:')
call writefile([], 'Xtagdir/a/doc/sample.txt')
" Test for ++t argument
helptags ++t Xtagdir
call assert_equal(["help-tags\ttags\t1"], readfile('Xtagdir/tags'))
call delete('Xtagdir/tags')
" Test parsing tags
call writefile(['*tag1*', 'Example: >', ' *notag1*', 'Example end: *tag2*',
\ '>', ' *notag2*', '<',
\ '*tag3*', 'Code: >mnv', ' *notag3*', 'Code end: *tag4*',
\ '>i3config', ' *notag4*', '<'],
\ 'Xtagdir/a/doc/sample.txt')
helptags Xtagdir
call assert_equal(["tag1\ta/doc/sample.txt\t/*tag1*",
\ "tag2\ta/doc/sample.txt\t/*tag2*",
\ "tag3\ta/doc/sample.txt\t/*tag3*",
\ "tag4\ta/doc/sample.txt\t/*tag4*"],
\ readfile('Xtagdir/tags'))
" Duplicate tags in the help file
call writefile(['*tag1*', '*tag1*', '*tag2*'], 'Xtagdir/a/doc/sample.txt')
call assert_fails('helptags Xtagdir', 'E154:')
endfunc
func Test_helptag_cmd_readonly()
CheckUnix
CheckNotRoot
" Read-only tags file
call mkdir('Xrodir/doc', 'pR')
call writefile([''], 'Xrodir/doc/tags')
call writefile([], 'Xrodir/doc/sample.txt')
call setfperm('Xrodir/doc/tags', 'r-xr--r--')
call assert_fails('helptags Xrodir/doc', 'E152:', getfperm('Xrodir/doc/tags'))
let rtp = &rtp
let &rtp = 'Xrodir'
helptags ALL
let &rtp = rtp
call delete('Xrodir/doc/tags')
" No permission to read the help file
call mkdir('Xrodir/b/doc', 'p')
call writefile([], 'Xrodir/b/doc/sample.txt')
call setfperm('Xrodir/b/doc/sample.txt', '-w-------')
call assert_fails('helptags Xrodir', 'E153:', getfperm('Xrodir/b/doc/sample.txt'))
endfunc
" Test for setting the 'helpheight' option in the help window
func Test_help_window_height()
let &cmdheight = &lines - 23
set helpheight=10
help
set helpheight=14
call assert_equal(14, winheight(0))
set helpheight& cmdheight=1
close
endfunc
func Test_help_long_argument()
try
exe 'help \%' .. repeat('0', 1021)
catch
call assert_match("E149:", v:exception)
endtry
endfunc
func Test_help_using_visual_match()
let lines =<< trim END
call setline(1, ' ')
/^
exe "normal \<C-V>\<C-V>"
h5\%V]
END
call v9.CheckScriptFailure(lines, 'E149:')
endfunc
func Test_helptag_navigation()
let helpdir = tempname()
let tempfile = helpdir . '/test.txt'
call mkdir(helpdir, 'pR')
call writefile(['', '*[tag*', '', '|[tag|'], tempfile)
exe 'helptags' helpdir
exe 'sp' tempfile
exe 'lcd' helpdir
setl ft=help
let &l:iskeyword='!-~,^*,^|,^",192-255'
call cursor(4, 2)
" MNV must not escape `[` when expanding the tag
exe "normal! \<C-]>"
call assert_equal(2, line('.'))
bw
endfunc
func Test_help_command_termination()
" :help {arg}
call execute('help |')
call assert_match('*bar\*', getline('.'))
" :help {arg}
call execute('help ||')
call assert_match('*expr-barbar\*', getline('.'))
" :help | <whitespace> <empty-command>
call execute('help | ')
call assert_match('*help.txt\*', getline('.'))
" :help {arg} | <whitespace> <empty-command>
call execute('help || ')
call assert_match('*bar\*', getline('.'))
" :help {arg}
call assert_fails('help |||', 'E149:')
" :help {arg} | <whitespace> <empty-command>
call execute('help ||| ')
call assert_match('*expr-barbar\*', getline('.'))
" :help {invalid-arg}
call assert_fails('help ||||', 'E149:')
" :help {invalid-arg} | <whitespace> <empty-command>
" (aborted command sequence)
call assert_fails('help |||| ', 'E149:')
call assert_equal("nextcmd",
\ execute("help | echo 'nextcmd'")->split("\n")[-1])
call assert_equal("nextcmd",
\ execute("help || echo 'nextcmd'")->split("\n")[-1])
call assert_equal("nextcmd",
\ execute("help \<NL> echo 'nextcmd'")->split("\n")[-1])
call assert_equal("nextcmd",
\ execute("help \<CR> echo 'nextcmd'")->split("\n")[-1])
helpclose
endfunc
" This caused a buffer overflow
func Test_helpfile_overflow()
let _helpfile = &helpfile
let &helpfile = repeat('A', 5000)
help
helpclose
for i in range(4089, 4096)
let &helpfile = repeat('A', i) .. '/A'
help
helpclose
endfor
let &helpfile = _helpfile
endfunc
" mnv: shiftwidth=2 sts=2 expandtab
|
