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" Tests for the backup function
source check.vim
func Test_backup()
set backup backupdir=. backupskip=
new
call setline(1, ['line1', 'line2'])
:f Xbackup.txt
:w! Xbackup.txt
" backup file is only created after
" writing a second time (before overwriting)
:w! Xbackup.txt
let l = readfile('Xbackup.txt~')
call assert_equal(['line1', 'line2'], l)
bw!
set backup&vim backupdir&vim backupskip&vim
call delete('Xbackup.txt')
call delete('Xbackup.txt~')
endfunc
func Test_backup_backupskip()
set backup backupdir=. backupskip=*.txt
new
call setline(1, ['line1', 'line2'])
:f Xbackup.txt
:w! Xbackup.txt
" backup file is only created after
" writing a second time (before overwriting)
:w! Xbackup.txt
call assert_false(filereadable('Xbackup.txt~'))
bw!
set backup&vim backupdir&vim backupskip&vim
call delete('Xbackup.txt')
call delete('Xbackup.txt~')
endfunc
func Test_backup2()
set backup backupdir=.// backupskip=
new
call setline(1, ['line1', 'line2', 'line3'])
:f Xbackup.txt
:w! Xbackup.txt
" backup file is only created after
" writing a second time (before overwriting)
:w! Xbackup.txt
sp *Xbackup.txt~
call assert_equal(['line1', 'line2', 'line3'], getline(1,'$'))
let f = expand('%')
call assert_match('%testdir%Xbackup.txt\~', f)
bw!
bw!
call delete('Xbackup.txt')
call delete(f)
set backup&vim backupdir&vim backupskip&vim
endfunc
func Test_backup2_backupcopy()
set backup backupdir=.// backupcopy=yes backupskip=
new
call setline(1, ['line1', 'line2', 'line3'])
:f Xbackup.txt
:w! Xbackup.txt
" backup file is only created after
" writing a second time (before overwriting)
:w! Xbackup.txt
sp *Xbackup.txt~
call assert_equal(['line1', 'line2', 'line3'], getline(1,'$'))
let f = expand('%')
call assert_match('%testdir%Xbackup.txt\~', f)
bw!
bw!
call delete('Xbackup.txt')
call delete(f)
set backup&vim backupdir&vim backupcopy&vim backupskip&vim
endfunc
" Test for using a non-existing directory as a backup directory
func Test_non_existing_backupdir()
throw 'Skipped: Nvim auto-creates backup directory'
set backupdir=./non_existing_dir backupskip=
call writefile(['line1'], 'Xbackupdir', 'D')
new Xbackupdir
call assert_fails('write', 'E510:')
set backupdir&vim backupskip&vim
endfunc
" vim: shiftwidth=2 sts=2 expandtab
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