vim-patch:8.2.1340: some tests fail on Cirrus CI and/or with FreeBSD (#20967)

Problem:    Some tests fail on Cirrus CI and/or with FreeBSD.
Solution:   Make 'backupskip' empty. Do not run tests as root. Check for
            directory when using viminfo. (Ozaki Kiichi, closes vim/vim#6596)

https://github.com/vim/vim/commit/b86abadf87bd0f85f800077171ec4b98aefff776

1 files changed, 9 insertions, 19 deletions

diff --git a/src/nvim/testdir/test_writefile.vim b/src/nvim/testdir/test_writefile.vim
index 8fb4c8fa4c..e4950de658 100644
--- a/src/nvim/testdir/test_writefile.vim
+++ b/src/nvim/testdir/test_writefile.vim
@@ -136,9 +136,7 @@ func Test_writefile_sync_arg()
 endfunc
 
 func Test_writefile_sync_dev_stdout()
-  if !has('unix')
-    return
-  endif
+  CheckUnix
   if filewritable('/dev/stdout')
     " Just check that this doesn't cause an error.
     call writefile(['one'], '/dev/stdout', 's')
@@ -386,13 +384,10 @@ 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
+  set noreadonly backupskip=
   call assert_fails('write', 'E505:')
   let save_cpo = &cpo
   set cpo+=W
@@ -401,37 +396,32 @@ func Test_write_readonly()
   call setline(1, ['line1'])
   write!
   call assert_equal(['line1'], readfile('Xfile'))
+  set backupskip&
   call delete('Xfile')
 endfunc
 
 " Test for 'patchmode'
 func Test_patchmode()
-  CheckNotBSD
   call writefile(['one'], 'Xfile')
-  set patchmode=.orig nobackup writebackup
+  set patchmode=.orig nobackup backupskip= writebackup
   new Xfile
   call setline(1, 'two')
   " first write should create the .orig file
   write
-  " TODO: Xfile.orig is not created in Cirrus FreeBSD CI test
   call assert_equal(['one'], readfile('Xfile.orig'))
   call setline(1, 'three')
   " subsequent writes should not create/modify the .orig file
   write
   call assert_equal(['one'], readfile('Xfile.orig'))
-  set patchmode& backup& writebackup&
+  set patchmode& backup& backupskip& writebackup&
   call delete('Xfile')
   call delete('Xfile.orig')
 endfunc
 
 " Test for writing to a file in a readonly directory
 func Test_write_readonly_dir()
-  if !has('unix') || has('bsd')
-    " On MS-Windows, modifying files in a read-only directory is allowed.
-    " In Cirrus-CI for Freebsd, tests are run under a root account where
-    " modifying files in a read-only directory are allowed.
-    return
-  endif
+  " On MS-Windows, modifying files in a read-only directory is allowed.
+  CheckUnix
   call mkdir('Xdir')
   call writefile(['one'], 'Xdir/Xfile1')
   call setfperm('Xdir', 'r-xr--r--')
@@ -441,12 +431,12 @@ func Test_write_readonly_dir()
   call assert_fails('write', 'E212:')
   " try to create a backup file in the directory
   edit! Xdir/Xfile1
-  set backupdir=./Xdir
+  set backupdir=./Xdir backupskip=
   set patchmode=.orig
   call assert_fails('write', 'E509:')
   call setfperm('Xdir', 'rwxr--r--')
   call delete('Xdir', 'rf')
-  set backupdir& patchmode&
+  set backupdir& backupskip& patchmode&
 endfunc
 
 " Test for writing a file using invalid file encoding