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" Functions about terminal shared by several tests
" Wrapper around term_wait().
" The second argument is the minimum time to wait in msec, 10 if omitted.
func TermWait(buf, ...)
let wait_time = a:0 ? a:1 : 10
call term_wait(a:buf, wait_time)
endfunc
" Run Vim with "arguments" in a new terminal window.
" By default uses a size of 20 lines and 75 columns.
" Returns the buffer number of the terminal.
"
" Options is a dictionary, these items are recognized:
" "keep_t_u7" - when 1 do not make t_u7 empty (resetting t_u7 avoids clearing
" parts of line 2 and 3 on the display)
" "rows" - height of the terminal window (max. 20)
" "cols" - width of the terminal window (max. 78)
" "statusoff" - number of lines the status is offset from default
" "wait_for_ruler" - if zero then don't wait for ruler to show
" "no_clean" - if non-zero then remove "--clean" from the command
func RunVimInTerminal(arguments, options)
" If Vim doesn't exit a swap file remains, causing other tests to fail.
" Remove it here.
call delete(".swp")
if exists('$COLORFGBG')
" Clear $COLORFGBG to avoid 'background' being set to "dark", which will
" only be corrected if the response to t_RB is received, which may be too
" late.
let $COLORFGBG = ''
endif
" Make a horizontal and vertical split, so that we can get exactly the right
" size terminal window. Works only when the current window is full width.
call assert_equal(&columns, winwidth(0))
split
vsplit
" Always do this with 256 colors and a light background.
set t_Co=256 background=light
hi Normal ctermfg=NONE ctermbg=NONE
" Make the window 20 lines high and 75 columns, unless told otherwise or
" 'termwinsize' is set.
let rows = get(a:options, 'rows', 20)
let cols = get(a:options, 'cols', 75)
let statusoff = get(a:options, 'statusoff', 1)
if get(a:options, 'keep_t_u7', 0)
let reset_u7 = ''
else
let reset_u7 = ' --cmd "set t_u7=" '
endif
let cmd = exepath('vim') .. ' -u NONE --clean --not-a-term --cmd "set enc=utf8"'.. reset_u7 .. a:arguments
if get(a:options, 'no_clean', 0)
let cmd = substitute(cmd, '--clean', '', '')
endif
let options = #{curwin: 1}
if &termwinsize == ''
let options.term_rows = rows
let options.term_cols = cols
endif
" Accept other options whose name starts with 'term_'.
call extend(options, filter(copy(a:options), 'v:key =~# "^term_"'))
let buf = term_start(cmd, options)
if &termwinsize == ''
" in the GUI we may end up with a different size, try to set it.
if term_getsize(buf) != [rows, cols]
call term_setsize(buf, rows, cols)
endif
call assert_equal([rows, cols], term_getsize(buf))
else
let rows = term_getsize(buf)[0]
let cols = term_getsize(buf)[1]
endif
call TermWait(buf)
if get(a:options, 'wait_for_ruler', 1)
" Wait for "All" or "Top" of the ruler to be shown in the last line or in
" the status line of the last window. This can be quite slow (e.g. when
" using valgrind).
" If it fails then show the terminal contents for debugging.
try
call g:WaitFor({-> len(term_getline(buf, rows)) >= cols - 1 || len(term_getline(buf, rows - statusoff)) >= cols - 1})
catch /timed out after/
let lines = map(range(1, rows), {key, val -> term_getline(buf, val)})
call assert_report('RunVimInTerminal() failed, screen contents: ' . join(lines, "<NL>"))
endtry
endif
return buf
endfunc
" Stop a Vim running in terminal buffer "buf".
func StopVimInTerminal(buf, kill = 1)
call assert_equal("running", term_getstatus(a:buf))
" Wait for all the pending updates to terminal to complete
call TermWait(a:buf)
" CTRL-O : works both in Normal mode and Insert mode to start a command line.
" In Command-line it's inserted, the CTRL-U removes it again.
call term_sendkeys(a:buf, "\<C-O>:\<C-U>qa!\<cr>")
" Wait for all the pending updates to terminal to complete
call TermWait(a:buf)
" Wait for the terminal to end.
call WaitForAssert({-> assert_equal("finished", term_getstatus(a:buf))})
" If the buffer still exists forcefully wipe it.
if a:kill && bufexists(a:buf)
exe a:buf .. 'bwipe!'
endif
endfunc
" vim: shiftwidth=2 sts=2 expandtab
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