Mercurial > vim
diff src/testdir/test_writefile.vim @ 20625:116c7bd5e980 v8.2.0866
patch 8.2.0866: not enough tests for buffer writing
Commit: https://github.com/vim/vim/commit/494e9069cb32620f7688a7cb128a3feff827639e
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun May 31 21:28:02 2020 +0200
patch 8.2.0866: not enough tests for buffer writing
Problem: Not enough tests for buffer writing.
Solution: Add more tests. Use CheckRunVimInTerminal in more places.
(Yegappan Lakshmanan, closes #6167)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Sun, 31 May 2020 21:30:03 +0200 |
parents | 2fb397573541 |
children | d8628d75c47a |
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--- a/src/testdir/test_writefile.vim +++ b/src/testdir/test_writefile.vim @@ -1,6 +1,7 @@ " Tests for the writefile() function and some :write commands. source check.vim +source term_util.vim func Test_writefile() let f = tempname() @@ -207,12 +208,6 @@ func Test_saveas() close! enew | only call delete('Xfile') - - call writefile(test_null_list(), 'Xfile') - call assert_false(filereadable('Xfile')) - call writefile(test_null_blob(), 'Xfile') - call assert_false(filereadable('Xfile')) - call assert_fails('call writefile([], "")', 'E482:') endfunc func Test_write_errors() @@ -257,6 +252,138 @@ func Test_write_errors() call writefile(test_null_blob(), 'Xfile') call assert_false(filereadable('Xfile')) call assert_fails('call writefile([], "")', 'E482:') + + " very long file name + let long_fname = repeat('n', 5000) + call assert_fails('exe "w " .. long_fname', 'E75:') + call assert_fails('call writefile([], long_fname)', 'E482:') +endfunc + +" Test for writing to a file which is modified after Vim read it +func Test_write_file_mtime() + CheckEnglish + CheckRunVimInTerminal + + " First read the file into a buffer + call writefile(["Line1", "Line2"], 'Xfile') + let old_ftime = getftime('Xfile') + let buf = RunVimInTerminal('Xfile', #{rows : 10}) + call term_wait(buf) + call term_sendkeys(buf, ":set noswapfile\<CR>") + call term_wait(buf) + + " Modify the file directly. Make sure the file modification time is + " different. Note that on Linux/Unix, the file is considered modified + " outside, only if the difference is 2 seconds or more + sleep 1 + call writefile(["Line3", "Line4"], 'Xfile') + let new_ftime = getftime('Xfile') + while new_ftime - old_ftime < 2 + sleep 100m + call writefile(["Line3", "Line4"], 'Xfile') + let new_ftime = getftime('Xfile') + endwhile + + " Try to overwrite the file and check for the prompt + call term_sendkeys(buf, ":w\<CR>") + call term_wait(buf) + call WaitForAssert({-> assert_equal("WARNING: The file has been changed since reading it!!!", term_getline(buf, 9))}) + call assert_equal("Do you really want to write to it (y/n)?", + \ term_getline(buf, 10)) + call term_sendkeys(buf, "n\<CR>") + call term_wait(buf) + call assert_equal(new_ftime, getftime('Xfile')) + call term_sendkeys(buf, ":w\<CR>") + call term_wait(buf) + call term_sendkeys(buf, "y\<CR>") + call term_wait(buf) + call WaitForAssert({-> assert_equal('Line2', readfile('Xfile')[1])}) + + " clean up + call StopVimInTerminal(buf) + call delete('Xfile') +endfunc + +" Test for an autocmd unloading a buffer during a write command +func Test_write_autocmd_unloadbuf_lockmark() + augroup WriteTest + autocmd BufWritePre Xfile enew | write + augroup END + e Xfile + call assert_fails('lockmarks write', 'E203:') + augroup WriteTest + au! + augroup END + augroup! WriteTest +endfunc + +" Test for writing a buffer with 'acwrite' but without autocmds +func Test_write_acwrite_error() + new Xfile + call setline(1, ['line1', 'line2', 'line3']) + set buftype=acwrite + call assert_fails('write', 'E676:') + call assert_fails('1,2write!', 'E676:') + call assert_fails('w >>', 'E676:') + close! +endfunc + +" Test for adding and removing lines from an autocmd when writing a buffer +func Test_write_autocmd_add_remove_lines() + new Xfile + call setline(1, ['aaa', 'bbb', 'ccc', 'ddd']) + + " Autocmd deleting lines from the file when writing a partial file + augroup WriteTest2 + au! + autocmd FileWritePre Xfile 1,2d + augroup END + call assert_fails('2,3w!', 'E204:') + + " Autocmd adding lines to a file when writing a partial file + augroup WriteTest2 + au! + autocmd FileWritePre Xfile call append(0, ['xxx', 'yyy']) + augroup END + %d + call setline(1, ['aaa', 'bbb', 'ccc', 'ddd']) + 1,2w! + call assert_equal(['xxx', 'yyy', 'aaa', 'bbb'], readfile('Xfile')) + + " Autocmd deleting lines from the file when writing the whole file + augroup WriteTest2 + au! + autocmd BufWritePre Xfile 1,2d + augroup END + %d + call setline(1, ['aaa', 'bbb', 'ccc', 'ddd']) + w + call assert_equal(['ccc', 'ddd'], readfile('Xfile')) + + augroup WriteTest2 + au! + augroup END + augroup! WriteTest2 + + close! + call delete('Xfile') +endfunc + +" Test for writing to a readonly file +func Test_write_readonly() + " In Cirrus-CI, the freebsd tests are run under a root account. So this test + " doesn't fail. + CheckNotBSD + call writefile([], 'Xfile') + call setfperm('Xfile', "r--------") + edit Xfile + set noreadonly + call assert_fails('write', 'E505:') + let save_cpo = &cpo + set cpo+=W + call assert_fails('write!', 'E504:') + let &cpo = save_cpo + call delete('Xfile') endfunc " vim: shiftwidth=2 sts=2 expandtab