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|
" Test :recover
source check.vim
func Test_recover_root_dir()
" This used to access invalid memory.
split Xtest
set dir=/
call assert_fails('recover', 'E305:')
close!
if has('win32') || filewritable('/') == 2
" can write in / directory on MS-Windows
set dir=/notexist/
endif
call assert_fails('split Xtest', 'E303:')
" No error with empty 'directory' setting.
set directory=
split XtestOK
close!
set dir&
endfunc
" Make a copy of the current swap file to "Xswap".
" Return the name of the swap file.
func CopySwapfile()
preserve
" get the name of the swap file
let swname = split(execute("swapname"))[0]
let swname = substitute(swname, '[[:blank:][:cntrl:]]*\(.\{-}\)[[:blank:][:cntrl:]]*$', '\1', '')
" make a copy of the swap file in Xswap
set binary
exe 'sp ' . swname
w! Xswap
set nobinary
return swname
endfunc
" Inserts 10000 lines with text to fill the swap file with two levels of pointer
" blocks. Then recovers from the swap file and checks all text is restored.
"
" We need about 10000 lines of 100 characters to get two levels of pointer
" blocks.
func Test_swap_file()
set fileformat=unix undolevels=-1
edit! Xtest
let text = "\tabcdefghijklmnoparstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnoparstuvwxyz0123456789"
let i = 1
let linecount = 10000
while i <= linecount
call append(i - 1, i . text)
let i += 1
endwhile
$delete
let swname = CopySwapfile()
new
only!
bwipe! Xtest
call rename('Xswap', swname)
recover Xtest
call delete(swname)
let linedollar = line('$')
call assert_equal(linecount, linedollar)
if linedollar < linecount
let linecount = linedollar
endif
let i = 1
while i <= linecount
call assert_equal(i . text, getline(i))
let i += 1
endwhile
set undolevels&
enew! | only
endfunc
func Test_nocatch_process_still_running()
" sysinfo.uptime probably only works on Linux
if !has('linux')
let g:skipped_reason = 'only works on Linux'
return
endif
" the GUI dialog can't be handled
if has('gui_running')
let g:skipped_reason = 'only works in the terminal'
return
endif
" don't intercept existing swap file here
au! SwapExists
" Edit a file and grab its swapfile.
edit Xswaptest
call setline(1, ['a', 'b', 'c'])
let swname = CopySwapfile()
" Forget we edited this file
new
only!
bwipe! Xswaptest
call rename('Xswap', swname)
call feedkeys('e', 'tL')
redir => editOutput
edit Xswaptest
redir END
call assert_match('E325: ATTENTION', editOutput)
call assert_match('file name: .*Xswaptest', editOutput)
call assert_match('process ID: \d* (STILL RUNNING)', editOutput)
" Forget we edited this file
new
only!
bwipe! Xswaptest
" pretend we rebooted
call test_override("uptime", 0)
sleep 1
call rename('Xswap', swname)
call feedkeys('e', 'tL')
redir => editOutput
edit Xswaptest
redir END
call assert_match('E325: ATTENTION', editOutput)
call assert_notmatch('(STILL RUNNING)', editOutput)
call test_override("ALL", 0)
call delete(swname)
endfunc
" Test for :recover with multiple swap files
func Test_recover_multiple_swap_files()
CheckUnix
new Xfile1
call setline(1, ['a', 'b', 'c'])
preserve
let b = readblob('.Xfile1.swp')
call writefile(b, '.Xfile1.swm')
call writefile(b, '.Xfile1.swn')
call writefile(b, '.Xfile1.swo')
%bw!
call feedkeys(":recover Xfile1\<CR>3\<CR>q", 'xt')
call assert_equal(['a', 'b', 'c'], getline(1, '$'))
call delete('.Xfile1.swm')
call delete('.Xfile1.swn')
call delete('.Xfile1.swo')
endfunc
" Test for :recover using an empty swap file
func Test_recover_empty_swap_file()
CheckUnix
call writefile([], '.Xfile1.swp')
let msg = execute('recover Xfile1')
call assert_match('Unable to read block 0 from .Xfile1.swp', msg)
call assert_equal('Xfile1', @%)
bw!
" :recover from an empty buffer
call assert_fails('recover', 'E305:')
call delete('.Xfile1.swp')
endfunc
" Test for :recover using a corrupted swap file
func Test_recover_corrupted_swap_file()
CheckUnix
" recover using a partial swap file
call writefile(0z1234, '.Xfile1.swp')
call assert_fails('recover Xfile1', 'E295:')
bw!
" recover using invalid content in the swap file
call writefile([repeat('1', 2*1024)], '.Xfile1.swp')
call assert_fails('recover Xfile1', 'E307:')
call delete('.Xfile1.swp')
" :recover using a swap file with a corrupted header
edit Xfile1
preserve
let sn = swapname('')
let b = readblob(sn)
bw!
" clear the B0_MAGIC_LONG field
let b[1008:1011] = 0z00000000
call writefile(b, sn)
let msg = execute('recover Xfile1')
call assert_match('the file has been damaged', msg)
bw!
call delete(sn)
endfunc
" Test for :recover using an encrypted swap file
func Test_recover_encrypted_swap_file()
CheckUnix
" Recover an encrypted file from the swap file without the original file
new Xfile1
call feedkeys(":X\<CR>vim\<CR>vim\<CR>", 'xt')
call setline(1, ['aaa', 'bbb', 'ccc'])
preserve
let b = readblob('.Xfile1.swp')
call writefile(b, '.Xfile1.swm')
bw!
call feedkeys(":recover Xfile1\<CR>vim\<CR>\<CR>", 'xt')
call assert_equal(['aaa', 'bbb', 'ccc'], getline(1, '$'))
bw!
call delete('.Xfile1.swm')
" Recover an encrypted file from the swap file with the original file
new Xfile1
call feedkeys(":X\<CR>vim\<CR>vim\<CR>", 'xt')
call setline(1, ['aaa', 'bbb', 'ccc'])
update
call setline(1, ['111', '222', '333'])
preserve
let b = readblob('.Xfile1.swp')
call writefile(b, '.Xfile1.swm')
bw!
call feedkeys(":recover Xfile1\<CR>vim\<CR>\<CR>", 'xt')
call assert_equal(['111', '222', '333'], getline(1, '$'))
call assert_true(&modified)
bw!
call delete('.Xfile1.swm')
call delete('Xfile1')
endfunc
" Test for :recover using a unreadable swap file
func Test_recover_unreadble_swap_file()
CheckUnix
CheckNotRoot
new Xfile1
let b = readblob('.Xfile1.swp')
call writefile(b, '.Xfile1.swm')
bw!
call setfperm('.Xfile1.swm', '-w-------')
call assert_fails('recover Xfile1', 'E306:')
call delete('.Xfile1.swm')
endfunc
" Test for using :recover when the original file and the swap file have the
" same contents.
func Test_recover_unmodified_file()
CheckUnix
call writefile(['aaa', 'bbb', 'ccc'], 'Xfile1')
edit Xfile1
preserve
let b = readblob('.Xfile1.swp')
%bw!
call writefile(b, '.Xfile1.swz')
let msg = execute('recover Xfile1')
call assert_equal(['aaa', 'bbb', 'ccc'], getline(1, '$'))
call assert_false(&modified)
call assert_match('Buffer contents equals file contents', msg)
bw!
call delete('Xfile1')
call delete('.Xfile1.swz')
endfunc
" vim: shiftwidth=2 sts=2 expandtab
|
