refactor: format test/*

1 files changed, 689 insertions, 383 deletions

diff --git a/test/functional/options/defaults_spec.lua b/test/functional/options/defaults_spec.lua
index 4a0aa7d023..1d5f657542 100644
--- a/test/functional/options/defaults_spec.lua
+++ b/test/functional/options/defaults_spec.lua
@@ -33,49 +33,38 @@ describe('startup defaults', function()
       screen:expect([[
         ^                                                  |
         ~                                                 |*2
-        ]]..expected
-      )
+        ]] .. expected)
     end
 
     it('all ON after `-u NORC`', function()
       clear('-u', 'NORC')
-      expect_filetype(
-        'filetype detection:ON  plugin:ON  indent:ON       |')
+      expect_filetype('filetype detection:ON  plugin:ON  indent:ON       |')
     end)
 
     it('all ON after `:syntax …` #7765', function()
       clear('-u', 'NORC', '--cmd', 'syntax on')
-      expect_filetype(
-        'filetype detection:ON  plugin:ON  indent:ON       |')
+      expect_filetype('filetype detection:ON  plugin:ON  indent:ON       |')
       clear('-u', 'NORC', '--cmd', 'syntax off')
-      expect_filetype(
-        'filetype detection:ON  plugin:ON  indent:ON       |')
+      expect_filetype('filetype detection:ON  plugin:ON  indent:ON       |')
     end)
 
     it('all OFF after `-u NONE`', function()
       clear('-u', 'NONE')
-      expect_filetype(
-        'filetype detection:OFF  plugin:OFF  indent:OFF    |')
+      expect_filetype('filetype detection:OFF  plugin:OFF  indent:OFF    |')
     end)
 
     it('explicit OFF stays OFF', function()
-      clear('-u', 'NORC', '--cmd',
-            'syntax off | filetype off | filetype plugin indent off')
-      expect_filetype(
-        'filetype detection:OFF  plugin:OFF  indent:OFF    |')
+      clear('-u', 'NORC', '--cmd', 'syntax off | filetype off | filetype plugin indent off')
+      expect_filetype('filetype detection:OFF  plugin:OFF  indent:OFF    |')
       clear('-u', 'NORC', '--cmd', 'syntax off | filetype plugin indent off')
-      expect_filetype(
-        'filetype detection:ON  plugin:OFF  indent:OFF     |')
+      expect_filetype('filetype detection:ON  plugin:OFF  indent:OFF     |')
       clear('-u', 'NORC', '--cmd', 'filetype indent off')
-      expect_filetype(
-        'filetype detection:ON  plugin:ON  indent:OFF      |')
+      expect_filetype('filetype detection:ON  plugin:ON  indent:OFF      |')
       clear('-u', 'NORC', '--cmd', 'syntax off | filetype off')
-      expect_filetype(
-        'filetype detection:OFF  plugin:(on)  indent:(on)  |')
+      expect_filetype('filetype detection:OFF  plugin:(on)  indent:(on)  |')
       -- Swap the order.
       clear('-u', 'NORC', '--cmd', 'filetype off | syntax off')
-      expect_filetype(
-        'filetype detection:OFF  plugin:(on)  indent:(on)  |')
+      expect_filetype('filetype detection:OFF  plugin:(on)  indent:(on)  |')
     end)
 
     it('all ON after early `:filetype … on`', function()
@@ -83,26 +72,20 @@ describe('startup defaults', function()
       -- Only an explicit `:filetype … off` sets OFF.
 
       clear('-u', 'NORC', '--cmd', 'filetype on')
-      expect_filetype(
-        'filetype detection:ON  plugin:ON  indent:ON       |')
+      expect_filetype('filetype detection:ON  plugin:ON  indent:ON       |')
       clear('-u', 'NORC', '--cmd', 'filetype plugin on')
-      expect_filetype(
-        'filetype detection:ON  plugin:ON  indent:ON       |')
+      expect_filetype('filetype detection:ON  plugin:ON  indent:ON       |')
       clear('-u', 'NORC', '--cmd', 'filetype indent on')
-      expect_filetype(
-        'filetype detection:ON  plugin:ON  indent:ON       |')
+      expect_filetype('filetype detection:ON  plugin:ON  indent:ON       |')
     end)
 
     it('late `:filetype … off` stays OFF', function()
       clear('-u', 'NORC', '-c', 'filetype off')
-      expect_filetype(
-        'filetype detection:OFF  plugin:(on)  indent:(on)  |')
+      expect_filetype('filetype detection:OFF  plugin:(on)  indent:(on)  |')
       clear('-u', 'NORC', '-c', 'filetype plugin off')
-      expect_filetype(
-        'filetype detection:ON  plugin:OFF  indent:ON      |')
+      expect_filetype('filetype detection:ON  plugin:OFF  indent:ON      |')
       clear('-u', 'NORC', '-c', 'filetype indent off')
-      expect_filetype(
-        'filetype detection:ON  plugin:ON  indent:OFF      |')
+      expect_filetype('filetype detection:ON  plugin:ON  indent:OFF      |')
     end)
   end)
 
@@ -166,7 +149,7 @@ describe('startup defaults', function()
       ]])
 
       -- change "vert" character to single-cell
-      funcs.setcellwidths({{0x2502, 0x2502, 1}})
+      funcs.setcellwidths({ { 0x2502, 0x2502, 1 } })
       screen:expect([[
         1                        │1                       |
         ^+--  2 lines: 2----------│+--  2 lines: 2---------|
@@ -176,7 +159,7 @@ describe('startup defaults', function()
       ]])
 
       -- change "vert" character to double-cell
-      funcs.setcellwidths({{0x2502, 0x2502, 2}})
+      funcs.setcellwidths({ { 0x2502, 0x2502, 2 } })
       screen:expect([[
         1                        |1                       |
         ^+--  2 lines: 2----------|+--  2 lines: 2---------|
@@ -198,14 +181,18 @@ describe('startup defaults', function()
   end)
 
   it("'shadafile' ('viminfofile')", function()
-    local env = {XDG_DATA_HOME='Xtest-userdata', XDG_STATE_HOME='Xtest-userstate', XDG_CONFIG_HOME='Xtest-userconfig'}
+    local env = {
+      XDG_DATA_HOME = 'Xtest-userdata',
+      XDG_STATE_HOME = 'Xtest-userstate',
+      XDG_CONFIG_HOME = 'Xtest-userconfig',
+    }
     finally(function()
-      command('set shadafile=NONE')  -- Avoid writing shada file on exit
+      command('set shadafile=NONE') -- Avoid writing shada file on exit
       rmdir('Xtest-userstate')
       os.remove('Xtest-foo')
     end)
 
-    clear{args={}, args_rm={'-i'}, env=env}
+    clear { args = {}, args_rm = { '-i' }, env = env }
     -- Default 'shadafile' is empty.
     -- This means use the default location. :help shada-file-name
     eq('', meths.get_option_value('shadafile', {}))
@@ -222,13 +209,13 @@ describe('startup defaults', function()
     local f = eval('fnamemodify(@%,":p")')
     assert(string.len(f) > 3)
     expect_exit(command, 'qall')
-    clear{args={}, args_rm={'-i'}, env=env}
+    clear { args = {}, args_rm = { '-i' }, env = env }
     eq({ f }, eval('v:oldfiles'))
   end)
 
   it("'packpath'", function()
-    clear{
-      args_rm={'runtimepath'},
+    clear {
+      args_rm = { 'runtimepath' },
     }
     -- Defaults to &runtimepath.
     eq(meths.get_option_value('runtimepath', {}), meths.get_option_value('packpath', {}))
@@ -247,33 +234,37 @@ describe('startup defaults', function()
 
   describe('$NVIM_LOG_FILE', function()
     local xdgdir = 'Xtest-startup-xdg-logpath'
-    local xdgstatedir = is_os('win') and xdgdir..'/nvim-data' or xdgdir..'/nvim'
+    local xdgstatedir = is_os('win') and xdgdir .. '/nvim-data' or xdgdir .. '/nvim'
     after_each(function()
       os.remove('Xtest-logpath')
       rmdir(xdgdir)
     end)
 
     it('is used if expansion succeeds', function()
-      clear({env={
-        NVIM_LOG_FILE='Xtest-logpath',
-      }})
+      clear({ env = {
+        NVIM_LOG_FILE = 'Xtest-logpath',
+      } })
       eq('Xtest-logpath', eval('$NVIM_LOG_FILE'))
     end)
     it('defaults to stdpath("log")/log if empty', function()
       eq(true, mkdir(xdgdir) and mkdir(xdgstatedir))
-      clear({env={
-        XDG_STATE_HOME=xdgdir,
-        NVIM_LOG_FILE='',  -- Empty is invalid.
-      }})
-      eq(xdgstatedir..'/log', string.gsub(eval('$NVIM_LOG_FILE'), '\\', '/'))
+      clear({
+        env = {
+          XDG_STATE_HOME = xdgdir,
+          NVIM_LOG_FILE = '', -- Empty is invalid.
+        },
+      })
+      eq(xdgstatedir .. '/log', string.gsub(eval('$NVIM_LOG_FILE'), '\\', '/'))
     end)
     it('defaults to stdpath("log")/log if invalid', function()
       eq(true, mkdir(xdgdir) and mkdir(xdgstatedir))
-      clear({env={
-        XDG_STATE_HOME=xdgdir,
-        NVIM_LOG_FILE='.',  -- Any directory is invalid.
-      }})
-      eq(xdgstatedir..'/log', string.gsub(eval('$NVIM_LOG_FILE'), '\\', '/'))
+      clear({
+        env = {
+          XDG_STATE_HOME = xdgdir,
+          NVIM_LOG_FILE = '.', -- Any directory is invalid.
+        },
+      })
+      eq(xdgstatedir .. '/log', string.gsub(eval('$NVIM_LOG_FILE'), '\\', '/'))
     end)
   end)
 end)
@@ -290,11 +281,12 @@ describe('XDG defaults', function()
     clear()
     local rtp = eval('split(&runtimepath, ",")')
     local rv = {}
-    local expected = (is_os('win')
-                      and { [[\nvim-data\site]], [[\nvim-data\site\after]], }
-                      or { '/nvim/site', '/nvim/site/after', })
+    local expected = (
+      is_os('win') and { [[\nvim-data\site]], [[\nvim-data\site\after]] }
+      or { '/nvim/site', '/nvim/site/after' }
+    )
 
-    for _,v in ipairs(rtp) do
+    for _, v in ipairs(rtp) do
       local m = string.match(v, [=[[/\]nvim[^/\]*[/\]site.*$]=])
       if m and not tbl_contains(rv, m) then
         table.insert(rv, m)
@@ -305,22 +297,24 @@ describe('XDG defaults', function()
 
   describe('with empty/broken environment', function()
     it('sets correct defaults', function()
-      clear({env={
-        XDG_CONFIG_HOME=nil,
-        XDG_DATA_HOME=nil,
-        XDG_CACHE_HOME=nil,
-        XDG_STATE_HOME=nil,
-        XDG_RUNTIME_DIR=nil,
-        XDG_CONFIG_DIRS=nil,
-        XDG_DATA_DIRS=nil,
-        LOCALAPPDATA=nil,
-        HOMEPATH=nil,
-        HOMEDRIVE=nil,
-        HOME=nil,
-        TEMP=nil,
-        VIMRUNTIME=nil,
-        USER=nil,
-      }})
+      clear({
+        env = {
+          XDG_CONFIG_HOME = nil,
+          XDG_DATA_HOME = nil,
+          XDG_CACHE_HOME = nil,
+          XDG_STATE_HOME = nil,
+          XDG_RUNTIME_DIR = nil,
+          XDG_CONFIG_DIRS = nil,
+          XDG_DATA_DIRS = nil,
+          LOCALAPPDATA = nil,
+          HOMEPATH = nil,
+          HOMEDRIVE = nil,
+          HOME = nil,
+          TEMP = nil,
+          VIMRUNTIME = nil,
+          USER = nil,
+        },
+      })
 
       eq('.', meths.get_option_value('backupdir', {}))
       eq('.', meths.get_option_value('viewdir', {}))
@@ -346,20 +340,21 @@ describe('XDG defaults', function()
   describe('with too long XDG variables', function()
     before_each(function()
       clear({
-        args_rm={'runtimepath'},
-        env={
-          NVIM_LOG_FILE=testlog,
-          XDG_CONFIG_HOME=(root_path .. ('/x'):rep(4096)),
-          XDG_CONFIG_DIRS=(root_path .. ('/a'):rep(2048)
-                           .. env_sep.. root_path .. ('/b'):rep(2048)
-                           .. (env_sep .. root_path .. '/c'):rep(512)),
-          XDG_DATA_HOME=(root_path .. ('/X'):rep(4096)),
-          XDG_RUNTIME_DIR=(root_path .. ('/X'):rep(4096)),
-          XDG_STATE_HOME=(root_path .. ('/X'):rep(4096)),
-          XDG_DATA_DIRS=(root_path .. ('/A'):rep(2048)
-                         .. env_sep .. root_path .. ('/B'):rep(2048)
-                         .. (env_sep .. root_path .. '/C'):rep(512)),
-      }})
+        args_rm = { 'runtimepath' },
+        env = {
+          NVIM_LOG_FILE = testlog,
+          XDG_CONFIG_HOME = (root_path .. ('/x'):rep(4096)),
+          XDG_CONFIG_DIRS = (root_path .. ('/a'):rep(2048) .. env_sep .. root_path .. ('/b'):rep(
+            2048
+          ) .. (env_sep .. root_path .. '/c'):rep(512)),
+          XDG_DATA_HOME = (root_path .. ('/X'):rep(4096)),
+          XDG_RUNTIME_DIR = (root_path .. ('/X'):rep(4096)),
+          XDG_STATE_HOME = (root_path .. ('/X'):rep(4096)),
+          XDG_DATA_DIRS = (root_path .. ('/A'):rep(2048) .. env_sep .. root_path .. ('/B'):rep(
+            2048
+          ) .. (env_sep .. root_path .. '/C'):rep(512)),
+        },
+      })
     end)
 
     it('are correctly set', function()
@@ -369,141 +364,297 @@ describe('XDG defaults', function()
 
       local vimruntime, libdir = vimruntime_and_libdir()
 
-      eq(((root_path .. ('/x'):rep(4096) .. '/nvim'
-          .. ',' .. root_path .. ('/a'):rep(2048) .. '/nvim'
-          .. ',' .. root_path .. ('/b'):rep(2048) .. '/nvim'
-          .. (',' .. root_path .. '/c/nvim'):rep(512)
-          .. ',' .. root_path .. ('/X'):rep(4096) .. '/' .. data_dir .. '/site'
-          .. ',' .. root_path .. ('/A'):rep(2048) .. '/nvim/site'
-          .. ',' .. root_path .. ('/B'):rep(2048) .. '/nvim/site'
-          .. (',' .. root_path .. '/C/nvim/site'):rep(512)
-          .. ',' .. vimruntime
-          .. ',' .. libdir
-          .. (',' .. root_path .. '/C/nvim/site/after'):rep(512)
-          .. ',' .. root_path .. ('/B'):rep(2048) .. '/nvim/site/after'
-          .. ',' .. root_path .. ('/A'):rep(2048) .. '/nvim/site/after'
-          .. ',' .. root_path .. ('/X'):rep(4096) .. '/' .. data_dir .. '/site/after'
-          .. (',' .. root_path .. '/c/nvim/after'):rep(512)
-          .. ',' .. root_path .. ('/b'):rep(2048) .. '/nvim/after'
-          .. ',' .. root_path .. ('/a'):rep(2048) .. '/nvim/after'
-          .. ',' .. root_path .. ('/x'):rep(4096) .. '/nvim/after'
-      ):gsub('\\', '/')), (meths.get_option_value('runtimepath', {})):gsub('\\', '/'))
+      eq(
+        (
+          (
+            root_path
+            .. ('/x'):rep(4096)
+            .. '/nvim'
+            .. ','
+            .. root_path
+            .. ('/a'):rep(2048)
+            .. '/nvim'
+            .. ','
+            .. root_path
+            .. ('/b'):rep(2048)
+            .. '/nvim'
+            .. (',' .. root_path .. '/c/nvim'):rep(512)
+            .. ','
+            .. root_path
+            .. ('/X'):rep(4096)
+            .. '/'
+            .. data_dir
+            .. '/site'
+            .. ','
+            .. root_path
+            .. ('/A'):rep(2048)
+            .. '/nvim/site'
+            .. ','
+            .. root_path
+            .. ('/B'):rep(2048)
+            .. '/nvim/site'
+            .. (',' .. root_path .. '/C/nvim/site'):rep(512)
+            .. ','
+            .. vimruntime
+            .. ','
+            .. libdir
+            .. (',' .. root_path .. '/C/nvim/site/after'):rep(512)
+            .. ','
+            .. root_path
+            .. ('/B'):rep(2048)
+            .. '/nvim/site/after'
+            .. ','
+            .. root_path
+            .. ('/A'):rep(2048)
+            .. '/nvim/site/after'
+            .. ','
+            .. root_path
+            .. ('/X'):rep(4096)
+            .. '/'
+            .. data_dir
+            .. '/site/after'
+            .. (',' .. root_path .. '/c/nvim/after'):rep(512)
+            .. ','
+            .. root_path
+            .. ('/b'):rep(2048)
+            .. '/nvim/after'
+            .. ','
+            .. root_path
+            .. ('/a'):rep(2048)
+            .. '/nvim/after'
+            .. ','
+            .. root_path
+            .. ('/x'):rep(4096)
+            .. '/nvim/after'
+          ):gsub('\\', '/')
+        ),
+        (meths.get_option_value('runtimepath', {})):gsub('\\', '/')
+      )
       meths.command('set runtimepath&')
       meths.command('set backupdir&')
       meths.command('set directory&')
       meths.command('set undodir&')
       meths.command('set viewdir&')
-      eq(((root_path .. ('/x'):rep(4096) .. '/nvim'
-          .. ',' .. root_path .. ('/a'):rep(2048) .. '/nvim'
-          .. ',' .. root_path .. ('/b'):rep(2048) .. '/nvim'
-          .. (',' .. root_path .. '/c/nvim'):rep(512)
-          .. ',' .. root_path .. ('/X'):rep(4096) .. '/' .. data_dir .. '/site'
-          .. ',' .. root_path .. ('/A'):rep(2048) .. '/nvim/site'
-          .. ',' .. root_path .. ('/B'):rep(2048) .. '/nvim/site'
-          .. (',' .. root_path .. '/C/nvim/site'):rep(512)
-          .. ',' .. vimruntime
-          .. ',' .. libdir
-          .. (',' .. root_path .. '/C/nvim/site/after'):rep(512)
-          .. ',' .. root_path .. ('/B'):rep(2048) .. '/nvim/site/after'
-          .. ',' .. root_path .. ('/A'):rep(2048) .. '/nvim/site/after'
-          .. ',' .. root_path .. ('/X'):rep(4096) .. '/' .. data_dir .. '/site/after'
-          .. (',' .. root_path .. '/c/nvim/after'):rep(512)
-          .. ',' .. root_path .. ('/b'):rep(2048) .. '/nvim/after'
-          .. ',' .. root_path .. ('/a'):rep(2048) .. '/nvim/after'
-          .. ',' .. root_path .. ('/x'):rep(4096) .. '/nvim/after'
-      ):gsub('\\', '/')), (meths.get_option_value('runtimepath', {})):gsub('\\', '/'))
-      eq('.,' .. root_path .. ('/X'):rep(4096).. '/' .. state_dir .. '/backup//',
-         (meths.get_option_value('backupdir', {}):gsub('\\', '/')))
-      eq(root_path .. ('/X'):rep(4096) .. '/' .. state_dir .. '/swap//',
-         (meths.get_option_value('directory', {})):gsub('\\', '/'))
-      eq(root_path .. ('/X'):rep(4096) .. '/' .. state_dir .. '/undo//',
-         (meths.get_option_value('undodir', {})):gsub('\\', '/'))
-      eq(root_path .. ('/X'):rep(4096) .. '/'  ..  state_dir .. '/view//',
-         (meths.get_option_value('viewdir', {})):gsub('\\', '/'))
+      eq(
+        (
+          (
+            root_path
+            .. ('/x'):rep(4096)
+            .. '/nvim'
+            .. ','
+            .. root_path
+            .. ('/a'):rep(2048)
+            .. '/nvim'
+            .. ','
+            .. root_path
+            .. ('/b'):rep(2048)
+            .. '/nvim'
+            .. (',' .. root_path .. '/c/nvim'):rep(512)
+            .. ','
+            .. root_path
+            .. ('/X'):rep(4096)
+            .. '/'
+            .. data_dir
+            .. '/site'
+            .. ','
+            .. root_path
+            .. ('/A'):rep(2048)
+            .. '/nvim/site'
+            .. ','
+            .. root_path
+            .. ('/B'):rep(2048)
+            .. '/nvim/site'
+            .. (',' .. root_path .. '/C/nvim/site'):rep(512)
+            .. ','
+            .. vimruntime
+            .. ','
+            .. libdir
+            .. (',' .. root_path .. '/C/nvim/site/after'):rep(512)
+            .. ','
+            .. root_path
+            .. ('/B'):rep(2048)
+            .. '/nvim/site/after'
+            .. ','
+            .. root_path
+            .. ('/A'):rep(2048)
+            .. '/nvim/site/after'
+            .. ','
+            .. root_path
+            .. ('/X'):rep(4096)
+            .. '/'
+            .. data_dir
+            .. '/site/after'
+            .. (',' .. root_path .. '/c/nvim/after'):rep(512)
+            .. ','
+            .. root_path
+            .. ('/b'):rep(2048)
+            .. '/nvim/after'
+            .. ','
+            .. root_path
+            .. ('/a'):rep(2048)
+            .. '/nvim/after'
+            .. ','
+            .. root_path
+            .. ('/x'):rep(4096)
+            .. '/nvim/after'
+          ):gsub('\\', '/')
+        ),
+        (meths.get_option_value('runtimepath', {})):gsub('\\', '/')
+      )
+      eq(
+        '.,' .. root_path .. ('/X'):rep(4096) .. '/' .. state_dir .. '/backup//',
+        (meths.get_option_value('backupdir', {}):gsub('\\', '/'))
+      )
+      eq(
+        root_path .. ('/X'):rep(4096) .. '/' .. state_dir .. '/swap//',
+        (meths.get_option_value('directory', {})):gsub('\\', '/')
+      )
+      eq(
+        root_path .. ('/X'):rep(4096) .. '/' .. state_dir .. '/undo//',
+        (meths.get_option_value('undodir', {})):gsub('\\', '/')
+      )
+      eq(
+        root_path .. ('/X'):rep(4096) .. '/' .. state_dir .. '/view//',
+        (meths.get_option_value('viewdir', {})):gsub('\\', '/')
+      )
     end)
   end)
 
   describe('with XDG variables that can be expanded', function()
     before_each(function()
       clear({
-        args_rm={'runtimepath'},
-        env={
-          NVIM_LOG_FILE=testlog,
-          XDG_CONFIG_HOME='$XDG_DATA_HOME',
-          XDG_CONFIG_DIRS='$XDG_DATA_DIRS',
-          XDG_DATA_HOME='$XDG_CONFIG_HOME',
-          XDG_RUNTIME_DIR='$XDG_RUNTIME_DIR',
-          XDG_STATE_HOME='$XDG_CONFIG_HOME',
-          XDG_DATA_DIRS='$XDG_CONFIG_DIRS',
-        }
+        args_rm = { 'runtimepath' },
+        env = {
+          NVIM_LOG_FILE = testlog,
+          XDG_CONFIG_HOME = '$XDG_DATA_HOME',
+          XDG_CONFIG_DIRS = '$XDG_DATA_DIRS',
+          XDG_DATA_HOME = '$XDG_CONFIG_HOME',
+          XDG_RUNTIME_DIR = '$XDG_RUNTIME_DIR',
+          XDG_STATE_HOME = '$XDG_CONFIG_HOME',
+          XDG_DATA_DIRS = '$XDG_CONFIG_DIRS',
+        },
       })
     end)
 
     after_each(function()
-      command('set shadafile=NONE')  -- Avoid writing shada file on exit
+      command('set shadafile=NONE') -- Avoid writing shada file on exit
     end)
 
     it('are not expanded', function()
       if not is_os('win') then
-        assert_log('Failed to start server: no such file or directory: %$XDG_RUNTIME_DIR%/', testlog, 10)
+        assert_log(
+          'Failed to start server: no such file or directory: %$XDG_RUNTIME_DIR%/',
+          testlog,
+          10
+        )
       end
 
       local vimruntime, libdir = vimruntime_and_libdir()
-      eq((('$XDG_DATA_HOME/nvim'
-          .. ',$XDG_DATA_DIRS/nvim'
-          .. ',$XDG_CONFIG_HOME/' .. data_dir .. '/site'
-          .. ',$XDG_CONFIG_DIRS/nvim/site'
-          .. ',' .. vimruntime
-          .. ',' .. libdir
-          .. ',$XDG_CONFIG_DIRS/nvim/site/after'
-          .. ',$XDG_CONFIG_HOME/' .. data_dir .. '/site/after'
-          .. ',$XDG_DATA_DIRS/nvim/after'
-          .. ',$XDG_DATA_HOME/nvim/after'
-      ):gsub('\\', '/')), (meths.get_option_value('runtimepath', {})):gsub('\\', '/'))
+      eq(
+        (
+          (
+            '$XDG_DATA_HOME/nvim'
+            .. ',$XDG_DATA_DIRS/nvim'
+            .. ',$XDG_CONFIG_HOME/'
+            .. data_dir
+            .. '/site'
+            .. ',$XDG_CONFIG_DIRS/nvim/site'
+            .. ','
+            .. vimruntime
+            .. ','
+            .. libdir
+            .. ',$XDG_CONFIG_DIRS/nvim/site/after'
+            .. ',$XDG_CONFIG_HOME/'
+            .. data_dir
+            .. '/site/after'
+            .. ',$XDG_DATA_DIRS/nvim/after'
+            .. ',$XDG_DATA_HOME/nvim/after'
+          ):gsub('\\', '/')
+        ),
+        (meths.get_option_value('runtimepath', {})):gsub('\\', '/')
+      )
       meths.command('set runtimepath&')
       meths.command('set backupdir&')
       meths.command('set directory&')
       meths.command('set undodir&')
       meths.command('set viewdir&')
-      eq((('$XDG_DATA_HOME/nvim'
-          .. ',$XDG_DATA_DIRS/nvim'
-          .. ',$XDG_CONFIG_HOME/' .. data_dir .. '/site'
-          .. ',$XDG_CONFIG_DIRS/nvim/site'
-          .. ',' .. vimruntime
-          .. ',' .. libdir
-          .. ',$XDG_CONFIG_DIRS/nvim/site/after'
-          .. ',$XDG_CONFIG_HOME/' .. data_dir .. '/site/after'
-          .. ',$XDG_DATA_DIRS/nvim/after'
-          .. ',$XDG_DATA_HOME/nvim/after'
-      ):gsub('\\', '/')), (meths.get_option_value('runtimepath', {})):gsub('\\', '/'))
-      eq(('.,$XDG_CONFIG_HOME/' .. state_dir .. '/backup//'),
-          meths.get_option_value('backupdir', {}):gsub('\\', '/'))
-      eq(('$XDG_CONFIG_HOME/' .. state_dir .. '/swap//'),
-          meths.get_option_value('directory', {}):gsub('\\', '/'))
-      eq(('$XDG_CONFIG_HOME/' .. state_dir .. '/undo//'),
-          meths.get_option_value('undodir', {}):gsub('\\', '/'))
-      eq(('$XDG_CONFIG_HOME/' .. state_dir .. '/view//'),
-          meths.get_option_value('viewdir', {}):gsub('\\', '/'))
+      eq(
+        (
+          (
+            '$XDG_DATA_HOME/nvim'
+            .. ',$XDG_DATA_DIRS/nvim'
+            .. ',$XDG_CONFIG_HOME/'
+            .. data_dir
+            .. '/site'
+            .. ',$XDG_CONFIG_DIRS/nvim/site'
+            .. ','
+            .. vimruntime
+            .. ','
+            .. libdir
+            .. ',$XDG_CONFIG_DIRS/nvim/site/after'
+            .. ',$XDG_CONFIG_HOME/'
+            .. data_dir
+            .. '/site/after'
+            .. ',$XDG_DATA_DIRS/nvim/after'
+            .. ',$XDG_DATA_HOME/nvim/after'
+          ):gsub('\\', '/')
+        ),
+        (meths.get_option_value('runtimepath', {})):gsub('\\', '/')
+      )
+      eq(
+        ('.,$XDG_CONFIG_HOME/' .. state_dir .. '/backup//'),
+        meths.get_option_value('backupdir', {}):gsub('\\', '/')
+      )
+      eq(
+        ('$XDG_CONFIG_HOME/' .. state_dir .. '/swap//'),
+        meths.get_option_value('directory', {}):gsub('\\', '/')
+      )
+      eq(
+        ('$XDG_CONFIG_HOME/' .. state_dir .. '/undo//'),
+        meths.get_option_value('undodir', {}):gsub('\\', '/')
+      )
+      eq(
+        ('$XDG_CONFIG_HOME/' .. state_dir .. '/view//'),
+        meths.get_option_value('viewdir', {}):gsub('\\', '/')
+      )
       meths.command('set all&')
-      eq(('$XDG_DATA_HOME/nvim'
+      eq(
+        (
+          '$XDG_DATA_HOME/nvim'
           .. ',$XDG_DATA_DIRS/nvim'
-          .. ',$XDG_CONFIG_HOME/' .. data_dir .. '/site'
+          .. ',$XDG_CONFIG_HOME/'
+          .. data_dir
+          .. '/site'
           .. ',$XDG_CONFIG_DIRS/nvim/site'
-          .. ',' .. vimruntime
-          .. ',' .. libdir
+          .. ','
+          .. vimruntime
+          .. ','
+          .. libdir
           .. ',$XDG_CONFIG_DIRS/nvim/site/after'
-          .. ',$XDG_CONFIG_HOME/' .. data_dir .. '/site/after'
+          .. ',$XDG_CONFIG_HOME/'
+          .. data_dir
+          .. '/site/after'
           .. ',$XDG_DATA_DIRS/nvim/after'
           .. ',$XDG_DATA_HOME/nvim/after'
-      ):gsub('\\', '/'), (meths.get_option_value('runtimepath', {})):gsub('\\', '/'))
-      eq(('.,$XDG_CONFIG_HOME/' .. state_dir .. '/backup//'),
-          meths.get_option_value('backupdir', {}):gsub('\\', '/'))
-      eq(('$XDG_CONFIG_HOME/' .. state_dir .. '/swap//'),
-          meths.get_option_value('directory', {}):gsub('\\', '/'))
-      eq(('$XDG_CONFIG_HOME/' .. state_dir .. '/undo//'),
-          meths.get_option_value('undodir', {}):gsub('\\', '/'))
-      eq(('$XDG_CONFIG_HOME/' .. state_dir .. '/view//'),
-          meths.get_option_value('viewdir', {}):gsub('\\', '/'))
+        ):gsub('\\', '/'),
+        (meths.get_option_value('runtimepath', {})):gsub('\\', '/')
+      )
+      eq(
+        ('.,$XDG_CONFIG_HOME/' .. state_dir .. '/backup//'),
+        meths.get_option_value('backupdir', {}):gsub('\\', '/')
+      )
+      eq(
+        ('$XDG_CONFIG_HOME/' .. state_dir .. '/swap//'),
+        meths.get_option_value('directory', {}):gsub('\\', '/')
+      )
+      eq(
+        ('$XDG_CONFIG_HOME/' .. state_dir .. '/undo//'),
+        meths.get_option_value('undodir', {}):gsub('\\', '/')
+      )
+      eq(
+        ('$XDG_CONFIG_HOME/' .. state_dir .. '/view//'),
+        meths.get_option_value('viewdir', {}):gsub('\\', '/')
+      )
       eq(nil, (funcs.tempname()):match('XDG_RUNTIME_DIR'))
     end)
   end)
@@ -511,67 +662,208 @@ describe('XDG defaults', function()
   describe('with commas', function()
     before_each(function()
       clear({
-        args_rm={'runtimepath'},
-        env={
-          XDG_CONFIG_HOME=', , ,',
-          XDG_CONFIG_DIRS=',-,-,' .. env_sep .. '-,-,-',
-          XDG_DATA_HOME=',=,=,',
-          XDG_STATE_HOME=',=,=,',
-          XDG_DATA_DIRS=',≡,≡,' .. env_sep .. '≡,≡,≡',
-      }})
+        args_rm = { 'runtimepath' },
+        env = {
+          XDG_CONFIG_HOME = ', , ,',
+          XDG_CONFIG_DIRS = ',-,-,' .. env_sep .. '-,-,-',
+          XDG_DATA_HOME = ',=,=,',
+          XDG_STATE_HOME = ',=,=,',
+          XDG_DATA_DIRS = ',≡,≡,' .. env_sep .. '≡,≡,≡',
+        },
+      })
     end)
 
     it('are escaped properly', function()
       local vimruntime, libdir = vimruntime_and_libdir()
       local path_sep = is_os('win') and '\\' or '/'
-      eq(('\\, \\, \\,' .. path_sep .. 'nvim'
-          .. ',\\,-\\,-\\,' .. path_sep .. 'nvim'
-          .. ',-\\,-\\,-' .. path_sep .. 'nvim'
-          .. ',\\,=\\,=\\,' .. path_sep .. data_dir .. path_sep .. 'site'
-          .. ',\\,≡\\,≡\\,' .. path_sep .. 'nvim'  .. path_sep .. 'site'
-          .. ',≡\\,≡\\,≡' .. path_sep .. 'nvim' .. path_sep .. 'site'
-          .. ',' .. vimruntime
-          .. ',' .. libdir
-          .. ',≡\\,≡\\,≡' .. path_sep .. 'nvim' .. path_sep .. 'site' .. path_sep .. 'after'
-          .. ',\\,≡\\,≡\\,' .. path_sep .. 'nvim' .. path_sep .. 'site' .. path_sep .. 'after'
-          .. ',\\,=\\,=\\,'  .. path_sep.. data_dir .. path_sep .. 'site' .. path_sep .. 'after'
-          .. ',-\\,-\\,-' .. path_sep .. 'nvim' .. path_sep .. 'after'
-          .. ',\\,-\\,-\\,' .. path_sep .. 'nvim' .. path_sep .. 'after'
-          .. ',\\, \\, \\,' .. path_sep .. 'nvim' .. path_sep .. 'after'
-      ), meths.get_option_value('runtimepath', {}))
+      eq(
+        (
+          '\\, \\, \\,'
+          .. path_sep
+          .. 'nvim'
+          .. ',\\,-\\,-\\,'
+          .. path_sep
+          .. 'nvim'
+          .. ',-\\,-\\,-'
+          .. path_sep
+          .. 'nvim'
+          .. ',\\,=\\,=\\,'
+          .. path_sep
+          .. data_dir
+          .. path_sep
+          .. 'site'
+          .. ',\\,≡\\,≡\\,'
+          .. path_sep
+          .. 'nvim'
+          .. path_sep
+          .. 'site'
+          .. ',≡\\,≡\\,≡'
+          .. path_sep
+          .. 'nvim'
+          .. path_sep
+          .. 'site'
+          .. ','
+          .. vimruntime
+          .. ','
+          .. libdir
+          .. ',≡\\,≡\\,≡'
+          .. path_sep
+          .. 'nvim'
+          .. path_sep
+          .. 'site'
+          .. path_sep
+          .. 'after'
+          .. ',\\,≡\\,≡\\,'
+          .. path_sep
+          .. 'nvim'
+          .. path_sep
+          .. 'site'
+          .. path_sep
+          .. 'after'
+          .. ',\\,=\\,=\\,'
+          .. path_sep
+          .. data_dir
+          .. path_sep
+          .. 'site'
+          .. path_sep
+          .. 'after'
+          .. ',-\\,-\\,-'
+          .. path_sep
+          .. 'nvim'
+          .. path_sep
+          .. 'after'
+          .. ',\\,-\\,-\\,'
+          .. path_sep
+          .. 'nvim'
+          .. path_sep
+          .. 'after'
+          .. ',\\, \\, \\,'
+          .. path_sep
+          .. 'nvim'
+          .. path_sep
+          .. 'after'
+        ),
+        meths.get_option_value('runtimepath', {})
+      )
       meths.command('set runtimepath&')
       meths.command('set backupdir&')
       meths.command('set directory&')
       meths.command('set undodir&')
       meths.command('set viewdir&')
-      eq(('\\, \\, \\,' .. path_sep .. 'nvim'
-          .. ',\\,-\\,-\\,' .. path_sep ..'nvim'
-          .. ',-\\,-\\,-' .. path_sep ..'nvim'
-          .. ',\\,=\\,=\\,' .. path_sep ..'' .. data_dir .. '' .. path_sep ..'site'
-          .. ',\\,≡\\,≡\\,' .. path_sep ..'nvim' .. path_sep ..'site'
-          .. ',≡\\,≡\\,≡' .. path_sep ..'nvim' .. path_sep ..'site'
-          .. ',' .. vimruntime
-          .. ',' .. libdir
-          .. ',≡\\,≡\\,≡' .. path_sep ..'nvim' .. path_sep ..'site' .. path_sep ..'after'
-          .. ',\\,≡\\,≡\\,' .. path_sep ..'nvim' .. path_sep ..'site' .. path_sep ..'after'
-          .. ',\\,=\\,=\\,' .. path_sep ..'' .. data_dir .. '' .. path_sep ..'site' .. path_sep ..'after'
-          .. ',-\\,-\\,-' .. path_sep ..'nvim' .. path_sep ..'after'
-          .. ',\\,-\\,-\\,' .. path_sep ..'nvim' .. path_sep ..'after'
-          .. ',\\, \\, \\,' .. path_sep ..'nvim' .. path_sep ..'after'
-      ), meths.get_option_value('runtimepath', {}))
-      eq('.,\\,=\\,=\\,' .. path_sep .. state_dir .. '' .. path_sep ..'backup' .. (path_sep):rep(2),
-          meths.get_option_value('backupdir', {}))
-      eq('\\,=\\,=\\,' .. path_sep ..'' .. state_dir .. '' .. path_sep ..'swap' .. (path_sep):rep(2),
-          meths.get_option_value('directory', {}))
-      eq('\\,=\\,=\\,' .. path_sep ..'' .. state_dir .. '' .. path_sep ..'undo' .. (path_sep):rep(2),
-          meths.get_option_value('undodir', {}))
-      eq('\\,=\\,=\\,' .. path_sep ..'' .. state_dir .. '' .. path_sep ..'view' .. (path_sep):rep(2),
-          meths.get_option_value('viewdir', {}))
+      eq(
+        (
+          '\\, \\, \\,'
+          .. path_sep
+          .. 'nvim'
+          .. ',\\,-\\,-\\,'
+          .. path_sep
+          .. 'nvim'
+          .. ',-\\,-\\,-'
+          .. path_sep
+          .. 'nvim'
+          .. ',\\,=\\,=\\,'
+          .. path_sep
+          .. ''
+          .. data_dir
+          .. ''
+          .. path_sep
+          .. 'site'
+          .. ',\\,≡\\,≡\\,'
+          .. path_sep
+          .. 'nvim'
+          .. path_sep
+          .. 'site'
+          .. ',≡\\,≡\\,≡'
+          .. path_sep
+          .. 'nvim'
+          .. path_sep
+          .. 'site'
+          .. ','
+          .. vimruntime
+          .. ','
+          .. libdir
+          .. ',≡\\,≡\\,≡'
+          .. path_sep
+          .. 'nvim'
+          .. path_sep
+          .. 'site'
+          .. path_sep
+          .. 'after'
+          .. ',\\,≡\\,≡\\,'
+          .. path_sep
+          .. 'nvim'
+          .. path_sep
+          .. 'site'
+          .. path_sep
+          .. 'after'
+          .. ',\\,=\\,=\\,'
+          .. path_sep
+          .. ''
+          .. data_dir
+          .. ''
+          .. path_sep
+          .. 'site'
+          .. path_sep
+          .. 'after'
+          .. ',-\\,-\\,-'
+          .. path_sep
+          .. 'nvim'
+          .. path_sep
+          .. 'after'
+          .. ',\\,-\\,-\\,'
+          .. path_sep
+          .. 'nvim'
+          .. path_sep
+          .. 'after'
+          .. ',\\, \\, \\,'
+          .. path_sep
+          .. 'nvim'
+          .. path_sep
+          .. 'after'
+        ),
+        meths.get_option_value('runtimepath', {})
+      )
+      eq(
+        '.,\\,=\\,=\\,' .. path_sep .. state_dir .. '' .. path_sep .. 'backup' .. (path_sep):rep(2),
+        meths.get_option_value('backupdir', {})
+      )
+      eq(
+        '\\,=\\,=\\,'
+          .. path_sep
+          .. ''
+          .. state_dir
+          .. ''
+          .. path_sep
+          .. 'swap'
+          .. (path_sep):rep(2),
+        meths.get_option_value('directory', {})
+      )
+      eq(
+        '\\,=\\,=\\,'
+          .. path_sep
+          .. ''
+          .. state_dir
+          .. ''
+          .. path_sep
+          .. 'undo'
+          .. (path_sep):rep(2),
+        meths.get_option_value('undodir', {})
+      )
+      eq(
+        '\\,=\\,=\\,'
+          .. path_sep
+          .. ''
+          .. state_dir
+          .. ''
+          .. path_sep
+          .. 'view'
+          .. (path_sep):rep(2),
+        meths.get_option_value('viewdir', {})
+      )
     end)
   end)
 end)
 
-
 describe('stdpath()', function()
   -- Windows appends 'nvim-data' instead of just 'nvim' to prevent collisions
   -- due to XDG_CONFIG_HOME, XDG_DATA_HOME and XDG_STATE_HOME being the same.
@@ -584,7 +876,7 @@ describe('stdpath()', function()
   local env_sep = is_os('win') and ';' or ':'
 
   it('acceptance', function()
-    clear()  -- Do not explicitly set any env vars.
+    clear() -- Do not explicitly set any env vars.
 
     eq('nvim', funcs.fnamemodify(funcs.stdpath('cache'), ':t'))
     eq('nvim', funcs.fnamemodify(funcs.stdpath('config'), ':t'))
@@ -593,12 +885,12 @@ describe('stdpath()', function()
     eq('table', type(funcs.stdpath('config_dirs')))
     eq('table', type(funcs.stdpath('dat