test: partially port Vim patches 8.1.2278 and 8.2.1432

src/nvim/testdir/test_autochdir.vim

@@ -22,7 +22,7 @@ func Test_set_filename()
   bwipe!
   au! DirChanged
   set noacd
-  exe 'cd ' . cwd
+  call chdir(cwd)
   call delete('samples/Xtest')
 endfunc
 

src/nvim/testdir/test_autocmd.vim

@@ -42,9 +42,7 @@ if has('timers')
   endfunc
 
   func Test_cursorhold_insert_with_timer_interrupt()
-    if !has('job')
-      return
-    endif
+    CheckFeature job
     " Need to move the cursor.
     call feedkeys("ggG", "xt")
 
@@ -551,9 +549,7 @@ endfunc
 
 func Test_OptionSet()
   CheckFunction test_override
-  if !has("eval") || !exists("+autochdir")
-    return
-  endif
+  CheckOption autochdir
 
   call test_override('starting', 1)
   set nocp
@@ -1334,14 +1330,14 @@ function s:Before_test_dirchanged()
   augroup END
   let s:li = []
   let s:dir_this = getcwd()
-  let s:dir_foo = s:dir_this . '/foo'
+  let s:dir_foo = s:dir_this . '/Xfoo'
   call mkdir(s:dir_foo)
-  let s:dir_bar = s:dir_this . '/bar'
+  let s:dir_bar = s:dir_this . '/Xbar'
   call mkdir(s:dir_bar)
 endfunc
 
 function s:After_test_dirchanged()
-  exe 'cd' s:dir_this
+  call chdir(s:dir_this)
   call delete(s:dir_foo, 'd')
   call delete(s:dir_bar, 'd')
   augroup test_dirchanged
@@ -1353,11 +1349,11 @@ function Test_dirchanged_global()
   call s:Before_test_dirchanged()
   autocmd test_dirchanged DirChanged global call add(s:li, "cd:")
   autocmd test_dirchanged DirChanged global call add(s:li, expand("<afile>"))
-  exe 'cd' s:dir_foo
+  call chdir(s:dir_foo)
   call assert_equal(["cd:", s:dir_foo], s:li)
-  exe 'cd' s:dir_foo
+  call chdir(s:dir_foo)
   call assert_equal(["cd:", s:dir_foo], s:li)
-  exe 'lcd' s:dir_bar
+  exe 'lcd ' .. fnameescape(s:dir_bar)
   call assert_equal(["cd:", s:dir_foo], s:li)
   call s:After_test_dirchanged()
 endfunc
@@ -1366,25 +1362,24 @@ function Test_dirchanged_local()
   call s:Before_test_dirchanged()
   autocmd test_dirchanged DirChanged window call add(s:li, "lcd:")
   autocmd test_dirchanged DirChanged window call add(s:li, expand("<afile>"))
-  exe 'cd' s:dir_foo
+  call chdir(s:dir_foo)
   call assert_equal([], s:li)
-  exe 'lcd' s:dir_bar
+  exe 'lcd ' .. fnameescape(s:dir_bar)
   call assert_equal(["lcd:", s:dir_bar], s:li)
-  exe 'lcd' s:dir_bar
+  exe 'lcd ' .. fnameescape(s:dir_bar)
   call assert_equal(["lcd:", s:dir_bar], s:li)
   call s:After_test_dirchanged()
 endfunc
 
 function Test_dirchanged_auto()
-  if !exists('+autochdir')
-    return
-  endif
+  CheckFunction test_autochdir
+  CheckOption autochdir
   call s:Before_test_dirchanged()
   call test_autochdir()
   autocmd test_dirchanged DirChanged auto call add(s:li, "auto:")
   autocmd test_dirchanged DirChanged auto call add(s:li, expand("<afile>"))
   set acd
-  exe 'cd ..'
+  cd ..
   call assert_equal([], s:li)
   exe 'edit ' . s:dir_foo . '/Xfile'
   call assert_equal(s:dir_foo, getcwd())

src/nvim/testdir/test_cd.vim

@@ -12,7 +12,7 @@ func Test_cd_up_and_down()
   let path = getcwd()
   cd ..
   call assert_notequal(path, getcwd())
-  exe 'cd ' . path
+  exe 'cd ' .. fnameescape(path)
   call assert_equal(path, getcwd())
 endfunc
 
@@ -23,7 +23,7 @@ func Test_cd_no_arg()
     cd
     call assert_equal($HOME, getcwd())
     call assert_notequal(path, getcwd())
-    exe 'cd ' . path
+    exe 'cd ' .. fnameescape(path)
     call assert_equal(path, getcwd())
   else
     " Test that cd without argument echoes cwd on non-Unix systems.
@@ -61,7 +61,7 @@ func Test_cd_with_cpo_chdir()
 
   " :cd should succeed when buffer has been written.
   w!
-  exe 'cd ' . path
+  exe 'cd ' .. fnameescape(path)
   call assert_equal(path, getcwd())
 
   call delete('Xfoo')
@@ -106,7 +106,7 @@ func Test_chdir_func()
   call assert_equal("", d)
 
   only | tabonly
-  exe 'cd ' . topdir
+  call chdir(topdir)
   call delete('Xdir', 'rf')
 endfunc
 

src/nvim/testdir/test_find_complete.vim

@@ -36,7 +36,7 @@ func Test_find_complete()
   " We shouldn't find any file till this point
 
   call mkdir('in/path', 'p')
-  exe 'cd ' . cwd
+  call chdir(cwd)
   call writefile(['Holy Grail'], 'Xfind/file.txt')
   call writefile(['Jimmy Hoffa'], 'Xfind/in/file.txt')
   call writefile(['Another Holy Grail'], 'Xfind/in/stuff.txt')
@@ -133,12 +133,12 @@ func Test_find_complete()
   call assert_equal('Voyager 2', getline(1))
 
   " Check for correct handling of shorten_fname()'s behavior on windows
-  exec "cd " . cwd . "/Xfind/in"
+  call chdir(cwd .. "/Xfind/in")
   call feedkeys(":find file\t\n", "xt")
   call assert_equal('Jimmy Hoffa', getline(1))
 
   " Test for relative to current buffer 'path' item
-  exec "cd " . cwd . "/Xfind/"
+  call chdir(cwd . "/Xfind/")
   set path=./path
   " Open the file where Jimmy Hoffa is found
   e in/file.txt
@@ -157,7 +157,7 @@ func Test_find_complete()
   call assert_equal('Another Holy Grail', getline(1))
 
   enew | only
-  exe 'cd ' . cwd
+  call chdir(cwd)
   call delete('Xfind', 'rf')
   set path&
 endfunc

src/nvim/testdir/test_findfile.vim

@@ -113,7 +113,7 @@ func Test_findfile()
   call assert_match('.*/Xdir1/bar', findfile('bar', '**;', 2))
 
   bwipe!
-  exe 'cd  ' . save_dir
+  call chdir(save_dir)
   call CleanFiles()
   let &path = save_path
   let &shellslash = save_shellslash
@@ -171,7 +171,7 @@ func Test_finddir()
   call assert_match('.*/Xdir1/Xdir2', finddir('Xdir2', '**;', 2))
   call assert_equal('Xdir3',          finddir('Xdir3', '**;', 1))
 
-  exe 'cd  ' . save_dir
+  call chdir(save_dir)
   call CleanFiles()
   let &path = save_path
   let &shellslash = save_shellslash

src/nvim/testdir/test_getcwd.vim

@@ -46,7 +46,7 @@ endfunction
 let g:cwd=getcwd()
 function TearDown()
   q
-  exec "cd " . g:cwd
+  call chdir(g:cwd)
   call delete("Xtopdir", "rf")
 endfunction