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" Functions about terminal shared by several tests
" Only load this script once.
if exists('*CanRunVimInTerminal')
finish
endif
" For most tests we need to be able to run terminal Vim with 256 colors. On
" MS-Windows the console only has 16 colors and the GUI can't run in a
" terminal.
func CanRunVimInTerminal()
return has('terminal') && !has('win32')
endfunc
" Skip the rest if there is no terminal feature at all.
if !has('terminal')
finish
endif
" Stops the shell running in terminal "buf".
func StopShellInTerminal(buf)
call term_sendkeys(a:buf, "exit\r")
let job = term_getjob(a:buf)
call WaitFor({-> job_status(job) == "dead"})
endfunc
" Wrapper around term_wait() to allow more time for re-runs of flaky tests
" 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
if g:run_nr == 2
let wait_time *= 4
elseif g:run_nr > 2
let wait_time *= 10
endif
call term_wait(a:buf, wait_time)
" In case it wasn't set yet.
let g:test_is_flaky = 1
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:
" "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
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.
let rows = get(a:options, 'rows', 20)
let cols = get(a:options, 'cols', 75)
let statusoff = get(a:options, 'statusoff', 1)
let cmd = GetVimCommandCleanTerm() .. a:arguments
let options = {
\ 'curwin': 1,
\ 'term_rows': rows,
\ 'term_cols': cols,
\ }
" 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)
" 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 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
" Starting a terminal to run Vim is always considered flaky.
let g:test_is_flaky = 1
return buf
endfunc
" Stop a Vim running in terminal buffer "buf".
func StopVimInTerminal(buf)
" Using a terminal to run Vim is always considered flaky.
let g:test_is_flaky = 1
call assert_equal("running", term_getstatus(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>")
call WaitForAssert({-> assert_equal("finished", term_getstatus(a:buf))})
only!
endfunc
" vim: shiftwidth=2 sts=2 expandtab
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