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Diffstat (limited to 'src/nvim/testdir/test_recover.vim')
-rw-r--r-- | src/nvim/testdir/test_recover.vim | 467 |
1 files changed, 0 insertions, 467 deletions
diff --git a/src/nvim/testdir/test_recover.vim b/src/nvim/testdir/test_recover.vim deleted file mode 100644 index 92e22687af..0000000000 --- a/src/nvim/testdir/test_recover.vim +++ /dev/null @@ -1,467 +0,0 @@ -" 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') - " can write in / directory on MS-Windows - let &directory = 'F:\\' - elseif filewritable('/') == 2 - 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 directory=. - 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() - let g:skipped_reason = 'test_override() is N/A' - return - " 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 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(swapname('')) - 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, '$')) - " try using out-of-range number to select a swap file - bw! - call feedkeys(":recover Xfile1\<CR>4\<CR>q", 'xt') - call assert_equal('Xfile1', @%) - call assert_equal([''], getline(1, '$')) - bw! - call feedkeys(":recover Xfile1\<CR>0\<CR>q", 'xt') - call assert_equal('Xfile1', @%) - call assert_equal([''], getline(1, '$')) - bw! - - 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! - - " make sure there are no old swap files laying around - for f in glob('.sw?', 0, 1) - call delete(f) - endfor - - " :recover from an empty buffer - call assert_fails('recover', 'E305:') - call delete('.Xfile1.swp') -endfunc - -" Test for :recover using a corrupted swap file -" Refer to the comments in the memline.c file for the swap file headers -" definition. -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) - let save_b = copy(b) - bw! - - " Not all fields are written in a system-independent manner. Detect whether - " the test is running on a little or big-endian system, so the correct - " corruption values can be set. - " The B0_MAGIC_LONG field may be 32-bit or 64-bit, depending on the system, - " even though the value stored is only 32-bits. Therefore, need to check - " both the high and low 32-bits to compute these values. - let little_endian = (b[1008:1011] == 0z33323130) || (b[1012:1015] == 0z33323130) - let system_64bit = little_endian ? (b[1012:1015] == 0z00000000) : (b[1008:1011] == 0z00000000) - - " clear the B0_MAGIC_LONG field - if system_64bit - let b[1008:1015] = 0z00000000.00000000 - else - let b[1008:1011] = 0z00000000 - endif - call writefile(b, sn) - let msg = execute('recover Xfile1') - call assert_match('the file has been damaged', msg) - call assert_equal('Xfile1', @%) - call assert_equal([''], getline(1, '$')) - bw! - - " reduce the page size - let b = copy(save_b) - let b[12:15] = 0z00010000 - call writefile(b, sn) - let msg = execute('recover Xfile1') - call assert_match('page size is smaller than minimum value', msg) - call assert_equal('Xfile1', @%) - call assert_equal([''], getline(1, '$')) - bw! - - " clear the pointer ID - let b = copy(save_b) - let b[4096:4097] = 0z0000 - call writefile(b, sn) - call assert_fails('recover Xfile1', 'E310:') - call assert_equal('Xfile1', @%) - call assert_equal([''], getline(1, '$')) - bw! - - " set the number of pointers in a pointer block to zero - let b = copy(save_b) - let b[4098:4099] = 0z0000 - call writefile(b, sn) - call assert_fails('recover Xfile1', 'E312:') - call assert_equal('Xfile1', @%) - call assert_equal(['???EMPTY BLOCK'], getline(1, '$')) - bw! - - " set the block number in a pointer entry to a negative number - let b = copy(save_b) - if system_64bit - let b[4104:4111] = little_endian ? 0z00000000.00000080 : 0z80000000.00000000 - else - let b[4104:4107] = little_endian ? 0z00000080 : 0z80000000 - endif - call writefile(b, sn) - call assert_fails('recover Xfile1', 'E312:') - call assert_equal('Xfile1', @%) - call assert_equal(['???LINES MISSING'], getline(1, '$')) - bw! - - " clear the data block ID - let b = copy(save_b) - let b[8192:8193] = 0z0000 - call writefile(b, sn) - call assert_fails('recover Xfile1', 'E312:') - call assert_equal('Xfile1', @%) - call assert_equal(['???BLOCK MISSING'], getline(1, '$')) - bw! - - " set the number of lines in the data block to zero - let b = copy(save_b) - if system_64bit - let b[8208:8215] = 0z00000000.00000000 - else - let b[8208:8211] = 0z00000000 - endif - call writefile(b, sn) - call assert_fails('recover Xfile1', 'E312:') - call assert_equal('Xfile1', @%) - call assert_equal(['??? from here until ???END lines may have been inserted/deleted', - \ '???END'], getline(1, '$')) - bw! - - " use an invalid text start for the lines in a data block - let b = copy(save_b) - if system_64bit - let b[8216:8219] = 0z00000000 - else - let b[8212:8215] = 0z00000000 - endif - call writefile(b, sn) - call assert_fails('recover Xfile1', 'E312:') - call assert_equal('Xfile1', @%) - call assert_equal(['???'], getline(1, '$')) - bw! - - " use an incorrect text end (db_txt_end) for the data block - let b = copy(save_b) - let b[8204:8207] = little_endian ? 0z80000000 : 0z00000080 - call writefile(b, sn) - call assert_fails('recover Xfile1', 'E312:') - call assert_equal('Xfile1', @%) - call assert_equal(['??? from here until ???END lines may be messed up', '', - \ '???END'], getline(1, '$')) - bw! - - " remove the data block - let b = copy(save_b) - call writefile(b[:8191], sn) - call assert_fails('recover Xfile1', 'E312:') - call assert_equal('Xfile1', @%) - call assert_equal(['???MANY LINES MISSING'], getline(1, '$')) - - bw! - call delete(sn) -endfunc - -" Test for :recover using an encrypted swap file -func Test_recover_encrypted_swap_file() - CheckFeature cryptv - CheckUnix - - " Recover an encrypted file from the swap file without the original file - new Xfile1 - call feedkeys(":X\<CR>vim\<CR>vim\<CR>", 'xt') - call setline(1, ['aaa', 'bbb', 'ccc']) - preserve - let b = readblob('.Xfile1.swp') - call writefile(b, '.Xfile1.swm') - bw! - call feedkeys(":recover Xfile1\<CR>vim\<CR>\<CR>", 'xt') - call assert_equal(['aaa', 'bbb', 'ccc'], getline(1, '$')) - 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 - -" Test for recovering a file when editing a symbolically linked file -func Test_recover_symbolic_link() - CheckUnix - call writefile(['aaa', 'bbb', 'ccc'], 'Xfile1') - silent !ln -s Xfile1 Xfile2 - edit Xfile2 - call assert_equal('.Xfile1.swp', fnamemodify(swapname(''), ':t')) - preserve - let b = readblob('.Xfile1.swp') - %bw! - call writefile([], 'Xfile1') - call writefile(b, '.Xfile1.swp') - silent! recover Xfile2 - call assert_equal(['aaa', 'bbb', 'ccc'], getline(1, '$')) - call assert_true(&modified) - update - %bw! - call assert_equal(['aaa', 'bbb', 'ccc'], readfile('Xfile1')) - call delete('Xfile1') - call delete('Xfile2') - call delete('.Xfile1.swp') -endfunc - -" Test for recovering a file when an autocmd moves the cursor to an invalid -" line. This used to result in an internal error (E315) which is fixed -" by 8.2.2966. -func Test_recover_invalid_cursor_pos() - call writefile([], 'Xfile1') - edit Xfile1 - preserve - let b = readblob('.Xfile1.swp') - bw! - augroup Test - au! - au BufReadPost Xfile1 normal! 3G - augroup END - call writefile(range(1, 3), 'Xfile1') - call writefile(b, '.Xfile1.swp') - try - recover Xfile1 - catch /E308:/ - " this test is for the :E315 internal error. - " ignore the 'E308: Original file may have been changed' error - endtry - redraw! - augroup Test - au! - augroup END - augroup! Test - call delete('Xfile1') - call delete('.Xfile1.swp') -endfunc - -" Test for recovering a buffer without a name -func Test_noname_buffer() - new - call setline(1, ['one', 'two']) - preserve - let sn = swapname('') - let b = readblob(sn) - bw! - call writefile(b, sn) - exe "recover " .. sn - call assert_equal(['one', 'two'], getline(1, '$')) - call delete(sn) -endfunc - -" vim: shiftwidth=2 sts=2 expandtab |