test: use vim.mpack and vim.uv directly

31 files changed, 150 insertions, 176 deletions

diff --git a/test/client/msgpack_rpc_stream.lua b/test/client/msgpack_rpc_stream.lua
index ff054ae62b..c91c4fdc2e 100644
--- a/test/client/msgpack_rpc_stream.lua
+++ b/test/client/msgpack_rpc_stream.lua
@@ -1,4 +1,4 @@
-local mpack = require('mpack')
+local mpack = vim.mpack
 
 -- temporary hack to be able to manipulate buffer/window/tabpage
 local Buffer = {}
diff --git a/test/client/session.lua b/test/client/session.lua
index 78909d1061..86b4ee7103 100644
--- a/test/client/session.lua
+++ b/test/client/session.lua
@@ -1,4 +1,4 @@
-local uv = require('luv')
+local uv = vim.uv
 local MsgpackRpcStream = require('test.client.msgpack_rpc_stream')
 
 local Session = {}
diff --git a/test/client/uv_stream.lua b/test/client/uv_stream.lua
index f37a0ec3ce..9e9a69e0a1 100644
--- a/test/client/uv_stream.lua
+++ b/test/client/uv_stream.lua
@@ -1,4 +1,4 @@
-local uv = require('luv')
+local uv = vim.uv
 
 local StdioStream = {}
 StdioStream.__index = StdioStream
diff --git a/test/functional/api/version_spec.lua b/test/functional/api/version_spec.lua
index 76cdb9cbca..41f8fccab9 100644
--- a/test/functional/api/version_spec.lua
+++ b/test/functional/api/version_spec.lua
@@ -1,5 +1,4 @@
 local helpers = require('test.functional.helpers')(after_each)
-local mpack = require('mpack')
 local clear, funcs, eq = helpers.clear, helpers.funcs, helpers.eq
 local call = helpers.call
 local meths = helpers.meths
@@ -12,7 +11,7 @@ local function read_mpack_file(fname)
 
   local data = fd:read('*a')
   fd:close()
-  local unpack = mpack.Unpacker()
+  local unpack = vim.mpack.Unpacker()
   return unpack(data)
 end
 
diff --git a/test/functional/autocmd/dirchanged_spec.lua b/test/functional/autocmd/dirchanged_spec.lua
index 208bd0f0e9..7ad529891f 100644
--- a/test/functional/autocmd/dirchanged_spec.lua
+++ b/test/functional/autocmd/dirchanged_spec.lua
@@ -1,4 +1,3 @@
-local luv = require('luv')
 local helpers = require('test.functional.helpers')(after_each)
 
 local clear = helpers.clear
@@ -9,7 +8,7 @@ local request = helpers.request
 local is_os = helpers.is_os
 
 describe('autocmd DirChanged and DirChangedPre', function()
-  local curdir = string.gsub(luv.cwd(), '\\', '/')
+  local curdir = vim.uv.cwd():gsub('\\', '/')
   local dirs = {
     curdir .. '/Xtest-functional-autocmd-dirchanged.dir1',
     curdir .. '/Xtest-functional-autocmd-dirchanged.dir2',
diff --git a/test/functional/autocmd/focus_spec.lua b/test/functional/autocmd/focus_spec.lua
index cd9f2c96c1..b9bab206fc 100644
--- a/test/functional/autocmd/focus_spec.lua
+++ b/test/functional/autocmd/focus_spec.lua
@@ -1,6 +1,5 @@
 local helpers = require('test.functional.helpers')(after_each)
 local thelpers = require('test.functional.terminal.helpers')
-local luv = require('luv')
 local clear = helpers.clear
 local feed_command = helpers.feed_command
 local feed_data = thelpers.feed_data
@@ -42,7 +41,7 @@ describe('autoread TUI FocusGained/FocusLost', function()
 
     helpers.write_file(path, '')
     local atime = os.time() - 10
-    luv.fs_utime(path, atime, atime)
+    vim.uv.fs_utime(path, atime, atime)
 
     screen:expect {
       grid = [[
diff --git a/test/functional/autocmd/termxx_spec.lua b/test/functional/autocmd/termxx_spec.lua
index 71ae7dfe9b..dd79de4c37 100644
--- a/test/functional/autocmd/termxx_spec.lua
+++ b/test/functional/autocmd/termxx_spec.lua
@@ -1,4 +1,4 @@
-local luv = require('luv')
+local uv = vim.uv
 local helpers = require('test.functional.helpers')(after_each)
 local thelpers = require('test.functional.terminal.helpers')
 
@@ -78,14 +78,14 @@ describe('autocmd TermClose', function()
       eq(1, eval('get(g:, "test_job_started", 0)'))
     end)
 
-    luv.update_time()
-    local start = luv.now()
+    uv.update_time()
+    local start = uv.now()
     command('call jobstop(g:test_job)')
     retry(nil, nil, function()
       eq(1, eval('get(g:, "test_job_exited", 0)'))
     end)
-    luv.update_time()
-    local duration = luv.now() - start
+    uv.update_time()
+    local duration = uv.now() - start
     -- Nvim begins SIGTERM after KILL_TIMEOUT_MS.
     ok(duration >= 2000)
     ok(duration <= 4000) -- Epsilon for slow CI
@@ -105,14 +105,14 @@ describe('autocmd TermClose', function()
       eq(1, eval('get(g:, "test_job_started", 0)'))
     end)
 
-    luv.update_time()
-    local start = luv.now()
+    uv.update_time()
+    local start = uv.now()
     command('call jobstop(g:test_job)')
     retry(nil, nil, function()
       eq(1, eval('get(g:, "test_job_exited", 0)'))
     end)
-    luv.update_time()
-    local duration = luv.now() - start
+    uv.update_time()
+    local duration = uv.now() - start
     -- Nvim begins SIGKILL after (2 * KILL_TIMEOUT_MS).
     ok(duration >= 4000)
     ok(duration <= 7000) -- Epsilon for slow CI
diff --git a/test/functional/core/main_spec.lua b/test/functional/core/main_spec.lua
index 4a9943be20..47b96535b3 100644
--- a/test/functional/core/main_spec.lua
+++ b/test/functional/core/main_spec.lua
@@ -1,4 +1,4 @@
-local luv = require('luv')
+local uv = vim.uv
 local helpers = require('test.functional.helpers')(after_each)
 local Screen = require('test.functional.ui.screen')
 
@@ -32,7 +32,7 @@ describe('command-line option', function()
     end)
 
     it('treats - as stdin', function()
-      eq(nil, luv.fs_stat(fname))
+      eq(nil, uv.fs_stat(fname))
       funcs.system({
         nvim_prog_abs(),
         '-u',
@@ -47,12 +47,12 @@ describe('command-line option', function()
         fname,
       }, { ':call setline(1, "42")', ':wqall!', '' })
       eq(0, eval('v:shell_error'))
-      local attrs = luv.fs_stat(fname)
+      local attrs = uv.fs_stat(fname)
       eq(#'42\n', attrs.size)
     end)
 
     it('does not expand $VAR', function()
-      eq(nil, luv.fs_stat(fname))
+      eq(nil, uv.fs_stat(fname))
       eq(true, not not dollar_fname:find('%$%w+'))
       write_file(dollar_fname, ':call setline(1, "100500")\n:wqall!\n')
       funcs.system({
@@ -69,7 +69,7 @@ describe('command-line option', function()
         fname,
       })
       eq(0, eval('v:shell_error'))
-      local attrs = luv.fs_stat(fname)
+      local attrs = uv.fs_stat(fname)
       eq(#'100500\n', attrs.size)
     end)
 
@@ -170,7 +170,7 @@ describe('command-line option', function()
         })
       )
       eq(2, eval('v:shell_error'))
-      eq(nil, luv.fs_stat(fname_2))
+      eq(nil, uv.fs_stat(fname_2))
     end)
   end)
 
diff --git a/test/functional/ex_cmds/cd_spec.lua b/test/functional/ex_cmds/cd_spec.lua
index a6ee5afe49..1815c672dc 100644
--- a/test/functional/ex_cmds/cd_spec.lua
+++ b/test/functional/ex_cmds/cd_spec.lua
@@ -1,6 +1,5 @@
 -- Specs for :cd, :tcd, :lcd and getcwd()
 
-local luv = require('luv')
 local helpers = require('test.functional.helpers')(after_each)
 
 local eq = helpers.eq
@@ -56,7 +55,7 @@ for _, cmd in ipairs { 'cd', 'chdir' } do
 
     after_each(function()
       for _, d in pairs(directories) do
-        luv.fs_rmdir(d)
+        vim.uv.fs_rmdir(d)
       end
     end)
 
diff --git a/test/functional/ex_cmds/file_spec.lua b/test/functional/ex_cmds/file_spec.lua
index bfcfccda7b..ce55b61d53 100644
--- a/test/functional/ex_cmds/file_spec.lua
+++ b/test/functional/ex_cmds/file_spec.lua
@@ -1,5 +1,4 @@
 local helpers = require('test.functional.helpers')(after_each)
-local luv = require('luv')
 local clear = helpers.clear
 local command = helpers.command
 local eq = helpers.eq
@@ -8,7 +7,7 @@ local rmdir = helpers.rmdir
 local mkdir = helpers.mkdir
 
 describe(':file', function()
-  local swapdir = luv.cwd() .. '/Xtest-file_spec'
+  local swapdir = vim.uv.cwd() .. '/Xtest-file_spec'
   before_each(function()
     clear()
     rmdir(swapdir)
diff --git a/test/functional/ex_cmds/profile_spec.lua b/test/functional/ex_cmds/profile_spec.lua
index fb594c70e6..f85dcc60ff 100644
--- a/test/functional/ex_cmds/profile_spec.lua
+++ b/test/functional/ex_cmds/profile_spec.lua
@@ -1,5 +1,5 @@
 require('os')
-local luv = require('luv')
+local uv = vim.uv
 
 local helpers = require('test.functional.helpers')(after_each)
 local eval = helpers.eval
@@ -12,16 +12,16 @@ local read_file = helpers.read_file
 
 -- tmpname() also creates the file on POSIX systems. Remove it again.
 -- We just need the name, ignoring any race conditions.
-if luv.fs_stat(tempfile).uid then
+if uv.fs_stat(tempfile).uid then
   os.remove(tempfile)
 end
 
 local function assert_file_exists(filepath)
-  neq(nil, luv.fs_stat(filepath).uid)
+  neq(nil, uv.fs_stat(filepath).uid)
 end
 
 local function assert_file_exists_not(filepath)
-  eq(nil, luv.fs_stat(filepath))
+  eq(nil, uv.fs_stat(filepath))
 end
 
 describe(':profile', function()
@@ -29,7 +29,7 @@ describe(':profile', function()
 
   after_each(function()
     helpers.expect_exit(command, 'qall!')
-    if luv.fs_stat(tempfile).uid ~= nil then
+    if uv.fs_stat(tempfile).uid ~= nil then
       os.remove(tempfile)
     end
   end)
diff --git a/test/functional/ex_cmds/write_spec.lua b/test/functional/ex_cmds/write_spec.lua
index e1cb33f060..a363578ce6 100644
--- a/test/functional/ex_cmds/write_spec.lua
+++ b/test/functional/ex_cmds/write_spec.lua
@@ -1,5 +1,4 @@
 local helpers = require('test.functional.helpers')(after_each)
-local luv = require('luv')
 local eq, eval, clear, write_file, source, insert =
   helpers.eq, helpers.eval, helpers.clear, helpers.write_file, helpers.source, helpers.insert
 local pcall_err = helpers.pcall_err
@@ -159,7 +158,7 @@ describe(':write', function()
     end
     write_file(fname_bak, 'TTYX')
     skip(is_os('win'), [[FIXME: exc_exec('write!') outputs 0 in Windows]])
-    luv.fs_symlink(fname_bak .. ('/xxxxx'):rep(20), fname)
+    vim.uv.fs_symlink(fname_bak .. ('/xxxxx'):rep(20), fname)
     eq("Vim(write):E166: Can't open linked file for writing", pcall_err(command, 'write!'))
   end)
 end)
diff --git a/test/functional/ex_cmds/wviminfo_spec.lua b/test/functional/ex_cmds/wviminfo_spec.lua
index 5e840c2ab5..23ae1440e6 100644
--- a/test/functional/ex_cmds/wviminfo_spec.lua
+++ b/test/functional/ex_cmds/wviminfo_spec.lua
@@ -1,5 +1,4 @@
 local helpers = require('test.functional.helpers')(after_each)
-local luv = require('luv')
 local clear = helpers.clear
 local command, eq, neq, write_file = helpers.command, helpers.eq, helpers.neq, helpers.write_file
 local read_file = helpers.read_file
@@ -26,10 +25,10 @@ describe(':wshada', function()
 
   it('creates a shada file', function()
     -- file should _not_ exist
-    eq(nil, luv.fs_stat(shada_file))
+    eq(nil, vim.uv.fs_stat(shada_file))
     command('wsh! ' .. shada_file)
     -- file _should_ exist
-    neq(nil, luv.fs_stat(shada_file))
+    neq(nil, vim.uv.fs_stat(shada_file))
   end)
 
   it('overwrites existing files', function()
@@ -40,7 +39,7 @@ describe(':wshada', function()
 
     -- sanity check
     eq(text, read_file(shada_file))
-    neq(nil, luv.fs_stat(shada_file))
+    neq(nil, vim.uv.fs_stat(shada_file))
 
     command('wsh! ' .. shada_file)
 
diff --git a/test/functional/legacy/011_autocommands_spec.lua b/test/functional/legacy/011_autocommands_spec.lua
index 0cce6bcd11..eba878b99a 100644
--- a/test/functional/legacy/011_autocommands_spec.lua
+++ b/test/functional/legacy/011_autocommands_spec.lua
@@ -13,7 +13,6 @@
 -- being modified outside of Vim (noticed on Solaris).
 
 local helpers = require('test.functional.helpers')(after_each)
-local luv = require('luv')
 local clear, feed_command, expect, eq, neq, dedent, write_file, feed =
   helpers.clear,
   helpers.feed_command,
@@ -37,8 +36,8 @@ local function prepare_gz_file(name, text)
   -- Compress the file with gzip.
   command([[call system(['gzip', '--force', ']] .. name .. [['])]])
   -- This should create the .gz file and delete the original.
-  neq(nil, luv.fs_stat(name .. '.gz'))
-  eq(nil, luv.fs_stat(name))
+  neq(nil, vim.uv.fs_stat(name .. '.gz'))
+  eq(nil, vim.uv.fs_stat(name))
 end
 
 describe('file reading, writing and bufnew and filter autocommands', function()
diff --git a/test/functional/legacy/012_directory_spec.lua b/test/functional/legacy/012_directory_spec.lua
index f78648a328..8f0abc471a 100644
--- a/test/functional/legacy/012_directory_spec.lua
+++ b/test/functional/legacy/012_directory_spec.lua
@@ -4,7 +4,6 @@
 -- - "dir", in directory relative to current dir
 
 local helpers = require('test.functional.helpers')(after_each)
-local luv = require('luv')
 
 local eq = helpers.eq
 local neq = helpers.neq
@@ -62,21 +61,21 @@ describe("'directory' option", function()
     meths.set_option_value('directory', '.', {})
 
     -- sanity check: files should not exist yet.
-    eq(nil, luv.fs_stat('.Xtest1.swp'))
+    eq(nil, vim.uv.fs_stat('.Xtest1.swp'))
 
     command('edit! Xtest1')
     poke_eventloop()
     eq('Xtest1', funcs.buffer_name('%'))
     -- Verify that the swapfile exists. In the legacy test this was done by
     -- reading the output from :!ls.
-    neq(nil, luv.fs_stat('.Xtest1.swp'))
+    neq(nil, vim.uv.fs_stat('.Xtest1.swp'))
 
     meths.set_option_value('directory', './Xtest2,.', {})
     command('edit Xtest1')
     poke_eventloop()
 
     -- swapfile should no longer exist in CWD.
-    eq(nil, luv.fs_stat('.Xtest1.swp'))
+    eq(nil, vim.uv.fs_stat('.Xtest1.swp'))
 
     eq({ 'Xtest1.swp', 'Xtest3' }, ls_dir_sorted('Xtest2'))
 
diff --git a/test/functional/legacy/074_global_var_in_viminfo_spec.lua b/test/functional/legacy/074_global_var_in_viminfo_spec.lua
index 3a4ab31bea..0a9ad330c2 100644
--- a/test/functional/legacy/074_global_var_in_viminfo_spec.lua
+++ b/test/functional/legacy/074_global_var_in_viminfo_spec.lua
@@ -1,7 +1,6 @@
 -- Tests for storing global variables in the .shada file
 
 local helpers = require('test.functional.helpers')(after_each)
-local luv = require('luv')
 local clear, command, eq, neq, eval, poke_eventloop =
   helpers.clear, helpers.command, helpers.eq, helpers.neq, helpers.eval, helpers.poke_eventloop
 
@@ -134,7 +133,7 @@ describe('storing global variables in ShaDa files', function()
     poke_eventloop()
 
     -- Assert that the shada file exists.
-    neq(nil, luv.fs_stat(tempname))
+    neq(nil, vim.uv.fs_stat(tempname))
     command('unlet MY_GLOBAL_DICT')
     command('unlet MY_GLOBAL_LIST')
     -- Assert that the variables where deleted.
diff --git a/test/functional/lua/buffer_updates_spec.lua b/test/functional/lua/buffer_updates_spec.lua
index 073ac40ef1..79e221de4c 100644
--- a/test/functional/lua/buffer_updates_spec.lua
+++ b/test/functional/lua/buffer_updates_spec.lua
@@ -1,6 +1,5 @@
 -- Test suite for testing interactions with API bindings
 local helpers = require('test.functional.helpers')(after_each)
-local luv = require('luv')
 
 local command = helpers.command
 local meths = helpers.meths
@@ -777,7 +776,7 @@ describe('lua: nvim_buf_attach on_bytes', function()
         old line 2]]
       )
       local atime = os.time() - 10
-      luv.fs_utime('Xtest-reload', atime, atime)
+      vim.uv.fs_utime('Xtest-reload', atime, atime)
       command 'e Xtest-reload'
       command 'set autoread'
 
diff --git a/test/functional/lua/fs_spec.lua b/test/functional/lua/fs_spec.lua
index c212f4ad9a..66ba0f71f2 100644
--- a/test/functional/lua/fs_spec.lua
+++ b/test/functional/lua/fs_spec.lua
@@ -1,5 +1,4 @@
 local helpers = require('test.functional.helpers')(after_each)
-local uv = require('luv')
 
 local clear = helpers.clear
 local exec_lua = helpers.exec_lua
@@ -293,7 +292,7 @@ describe('vim.fs', function()
       eq('/', vim.fs.normalize('/'))
     end)
     it('works with ~', function()
-      eq(vim.fs.normalize(uv.os_homedir()) .. '/src/foo', vim.fs.normalize('~/src/foo'))
+      eq(vim.fs.normalize(vim.uv.os_homedir()) .. '/src/foo', vim.fs.normalize('~/src/foo'))
     end)
     it('works with environment variables', function()
       local xdg_config_home = test_build_dir .. '/.config'
diff --git a/test/functional/lua/loop_spec.lua b/test/functional/lua/loop_spec.lua
index 38d6f1c24f..3bce30bffb 100644
--- a/test/functional/lua/loop_spec.lua
+++ b/test/functional/lua/loop_spec.lua
@@ -24,13 +24,11 @@ describe('vim.uv', function()
     exec_lua('vim.api.nvim_set_var("coroutine_cnt", 0)', {})
 
     local code = [[
-      local uv = vim.uv
-
       local touch = 0
       local function wait(ms)
         local this = coroutine.running()
         assert(this)
-        local timer = uv.new_timer()
+        local timer = vim.uv.new_timer()
         timer:start(ms, 0, vim.schedule_wrap(function ()
           timer:close()
           touch = touch + 1
diff --git a/test/functional/options/autochdir_spec.lua b/test/functional/options/autochdir_spec.lua
index 392c02b07e..5d6cf5082a 100644
--- a/test/functional/options/autochdir_spec.lua
+++ b/test/functional/options/autochdir_spec.lua
@@ -1,4 +1,3 @@
-local luv = require('luv')
 local helpers = require('test.functional.helpers')(after_each)
 local clear = helpers.clear
 local eq = helpers.eq
@@ -21,7 +20,7 @@ describe("'autochdir'", function()
   end)
 
   it('is not overwritten by getwinvar() call #17609', function()
-    local curdir = string.gsub(luv.cwd(), '\\', '/')
+    local curdir = vim.uv.cwd():gsub('\\', '/')
     local dir_a = curdir .. '/Xtest-functional-options-autochdir.dir_a'
     local dir_b = curdir .. '/Xtest-functional-options-autochdir.dir_b'
     mkdir(dir_a)
diff --git a/test/functional/plugin/shada_spec.lua b/test/functional/plugin/shada_spec.lua
index ef3fef1897..59ddd8f3ce 100644
--- a/test/functional/plugin/shada_spec.lua
+++ b/test/functional/plugin/shada_spec.lua
@@ -14,8 +14,6 @@ local eq, meths, nvim_eval, nvim_command, nvim, exc_exec, funcs, nvim_feed, curb
 local neq = helpers.neq
 local read_file = helpers.read_file
 
-local mpack = require('mpack')
-
 local shada_helpers = require('test.functional.shada.helpers')
 local get_shada_rw = shada_helpers.get_shada_rw
 
@@ -26,7 +24,7 @@ end
 local mpack_eq = function(expected, mpack_result)
   local mpack_keys = { 'type', 'timestamp', 'length', 'value' }
 
-  local unpack = mpack.Unpacker()
+  local unpack = vim.mpack.Unpacker()
   local actual = {}
   local cur, val
   local i = 0
diff --git a/test/functional/shada/helpers.lua b/test/functional/shada/helpers.lua
index b8d0352862..d8ffdaf753 100644
--- a/test/functional/shada/helpers.lua
+++ b/test/functional/shada/helpers.lua
@@ -3,8 +3,6 @@ local meths = helpers.meths
 local write_file = helpers.write_file
 local concat_tables = helpers.concat_tables
 
-local mpack = require('mpack')
-
 local tmpname = helpers.tmpname()
 
 --   o={
@@ -64,7 +62,7 @@ local read_shada_file = function(fname)
   local fd = io.open(fname, 'r')
   local mstring = fd:read('*a')
   fd:close()
-  local unpack = mpack.Unpacker()
+  local unpack = vim.mpack.Unpacker()
   local ret = {}
   local cur, val
   local i = 0
diff --git a/test/functional/shada/shada_spec.lua b/test/functional/shada/shada_spec.lua
index 9e3d2f7a58..4b52c1835b 100644
--- a/test/functional/shada/shada_spec.lua
+++ b/test/functional/shada/shada_spec.lua
@@ -6,11 +6,9 @@ local write_file, spawn, set_session, nvim_prog, exc_exec =
 local is_os = helpers.is_os
 local skip = helpers.skip
 
-local luv = require('luv')
+local uv = vim.uv
 local paths = require('test.cmakeconfig.paths')
 
-local mpack = require('mpack')
-
 local shada_helpers = require('test.functional.shada.helpers')
 local reset, clear, get_shada_rw =
   shada_helpers.reset, shada_helpers.clear, shada_helpers.get_shada_rw
@@ -26,7 +24,7 @@ describe('ShaDa support code', function()
   after_each(function()
     clear()
     clean()
-    luv.fs_rmdir(dirname)
+    uv.fs_rmdir(dirname)
   end)
 
   it('preserves `s` item size limit with unknown entries', function()
@@ -87,7 +85,7 @@ describe('ShaDa support code', function()
       wshada('Some text file')
       eq(0, exc_exec('wshada! ' .. shada_fname))
       eq(1, read_shada_file(shada_fname)[1].type)
-      eq(nil, luv.fs_stat(shada_fname .. '.tmp.a'))
+      eq(nil, uv.fs_stat(shada_fname .. '.tmp.a'))
     end
   )
 
@@ -148,11 +146,11 @@ describe('ShaDa support code', function()
     wshada(s .. table.concat(msgpack, e .. s) .. e)
     eq(0, exc_exec('wshada ' .. shada_fname))
     local found = 0
-    local typ = mpack.decode(s)
+    local typ = vim.mpack.decode(s)
     for _, v in ipairs(read_shada_file(shada_fname)) do
       if v.type == typ then
         found = found + 1
-        eq(mpack.decode(msgpack[found]), v.timestamp)
+        eq(vim.mpack.decode(msgpack[found]), v.timestamp)
       end
     end
     eq(#msgpack, found)
@@ -279,8 +277,8 @@ describe('ShaDa support code', function()
       true
     )
     session:close()
-    eq(nil, luv.fs_stat('NONE'))
-    eq(nil, luv.fs_stat('NONE.tmp.a'))
+    eq(nil, uv.fs_stat('NONE'))
+    eq(nil, uv.fs_stat('NONE.tmp.a'))
   end)
 
   it('does not read NONE file', function()
diff --git a/test/functional/ui/embed_spec.lua b/test/functional/ui/embed_spec.lua
index 1ce465eaae..a9506f2b38 100644
--- a/test/functional/ui/embed_spec.lua
+++ b/test/functional/ui/embed_spec.lua
@@ -1,4 +1,4 @@
-local uv = require 'luv'
+local uv = vim.uv
 
 local helpers = require('test.functional.helpers')(after_each)
 local Screen = require('test.functional.ui.screen')
diff --git a/test/functional/vimscript/buf_functions_spec.lua b/test/functional/vimscript/buf_functions_spec.lua
index c17edfad62..1b722247a8 100644
--- a/test/functional/vimscript/buf_functions_spec.lua
+++ b/test/functional/vimscript/buf_functions_spec.lua
@@ -1,7 +1,5 @@
 local helpers = require('test.functional.helpers')(after_each)
 
-local luv = require('luv')
-
 local eq = helpers.eq
 local clear = helpers.clear
 local funcs = helpers.funcs
@@ -87,7 +85,7 @@ describe('bufname() function', function()
   it('returns expected buffer name', function()
     eq('', funcs.bufname('%')) -- Buffer has no name yet
     command('file ' .. fname)
-    local wd = luv.cwd()
+    local wd = vim.uv.cwd()
     local sep = get_pathsep()
     local curdirname = funcs.fnamemodify(wd, ':t')
     for _, arg in ipairs({ '%', 1, 'X', wd }) do
@@ -120,7 +118,7 @@ describe('bufnr() function', function()
   it('returns expected buffer number', function()
     eq(1, funcs.bufnr('%'))
     command('file ' .. fname)
-    local wd = luv.cwd()
+    local wd = vim.uv.cwd()
     local curdirname = funcs.fnamemodify(wd, ':t')
     eq(1, funcs.bufnr(fname))
     eq(1, funcs.bufnr(wd))
diff --git a/test/functional/vimscript/glob_spec.lua b/test/functional/vimscript/glob_spec.lua
index ea49552310..77351f95fa 100644
--- a/test/functional/vimscript/glob_spec.lua
+++ b/test/functional/vimscript/glob_spec.lua
@@ -1,4 +1,3 @@
-local luv = require('luv')
 local helpers = require('test.functional.helpers')(after_each)
 local clear, command, eval, eq = helpers.clear, helpers.command, helpers.eval, helpers.eq
 local mkdir = helpers.mkdir
@@ -12,7 +11,7 @@ before_each(function()
 end)
 
 after_each(function()
-  luv.fs_rmdir('test-glob')
+  vim.uv.fs_rmdir('test-glob')
 end)
 
 describe('glob()', function()
diff --git a/test/functional/vimscript/has_spec.lua b/test/functional/vimscript/has_spec.lua
index 4e232daeb3..c797a3bbf9 100644
--- a/test/functional/vimscript/has_spec.lua
+++ b/test/functional/vimscript/has_spec.lua
@@ -62,8 +62,7 @@ describe('has()', function()
   end)
 
   it('"wsl"', function()
-    local luv = require('luv')
-    local is_wsl = luv.os_uname()['release']:lower():match('microsoft') and true or false
+    local is_wsl = vim.uv.os_uname()['release']:lower():match('microsoft') and true or false
     if is_wsl then
       eq(1, funcs.has('wsl'))
     else
diff --git a/test/functional/vimscript/writefile_spec.lua b/test/functional/vimscript/writefile_spec.lua
index b83d6c4a25..f03baa6ddd 100644
--- a/test/functional/vimscript/writefile_spec.lua
+++ b/test/functional/vimscript/writefile_spec.lua
@@ -1,5 +1,4 @@
 local helpers = require('test.functional.helpers')(after_each)
-local luv = require('luv')
 
 local mkdir = helpers.mkdir
 local clear = helpers.clear
@@ -28,8 +27,8 @@ end)
 after_each(function()
   os.remove(fname)
   os.remove(dfname)
-  luv.fs_rmdir(ddname)
-  luv.fs_rmdir(dname)
+  vim.uv.fs_rmdir(ddname)
+  vim.uv.fs_rmdir(dname)
 end)
 
 describe('writefile()', function()
diff --git a/test/unit/os/fileio_spec.lua b/test/unit/os/fileio_spec.lua
index 30e4fad88f..385f4fa4b0 100644
--- a/test/unit/os/fileio_spec.lua
+++ b/test/unit/os/fileio_spec.lua
@@ -1,4 +1,4 @@
-local luv = require('luv')
+local uv = vim.uv
 
 local helpers = require('test.unit.helpers')(after_each)
 local itp = helpers.gen_itp(it)
@@ -36,8 +36,8 @@ before_each(function()
   f2:write(fcontents)
   f2:close()
 
-  luv.fs_symlink('file1.dat', linkf)
-  luv.fs_symlink('broken.dat', linkb)
+  uv.fs_symlink('file1.dat', linkf)
+  uv.fs_symlink('broken.dat', linkb)
 end)
 
 after_each(function()
@@ -46,7 +46,7 @@ after_each(function()
   os.remove(linkf)
   os.remove(linkb)
   os.remove(filec)
-  luv.fs_rmdir(dir)
+  uv.fs_rmdir(dir)
 end)
 
 local function file_open(fname, flags, mode)
@@ -120,13 +120,13 @@ describe('file_open_fd', function()
     eq(0, m.file_close(fp, false))
   end)
   itp('can use file descriptor returned by os_open for writing', function()
-    eq(nil, luv.fs_stat(filec))
+    eq(nil, uv.fs_stat(filec))
     local fd = m.os_open(filec, m.kO_WRONLY + m.kO_CREAT, 384)
     local err, fp = file_open_fd(fd, m.kFileWriteOnly)
     eq(0, err)
     eq(4, file_write(fp, 'test'))
     eq(0, m.file_close(fp, false))
-    eq(4, luv.fs_stat(filec).size)
+    eq(4, uv.fs_stat(filec).size)
     eq('test', io.open(filec):read('*a'))
   end)
 end)
@@ -140,13 +140,13 @@ describe('file_open_fd_new', function()
     eq(0, m.file_free(fp, false))
   end)
   itp('can use file descriptor returned by os_open for writing', function()
-    eq(nil, luv.fs_stat(filec))
+    eq(nil, uv.fs_stat(filec))
     local fd = m.os_open(filec, m.kO_WRONLY + m.kO_CREAT, 384)
     local err, fp = file_open_fd_new(fd, m.kFileWriteOnly)
     eq(0, err)
     eq(4, file_write(fp, 'test'))
     eq(0, m.file_free(fp, false))
-    eq(4, luv.fs_stat(filec).size)
+    eq(4, uv.fs_stat(filec).size)
     eq('test', io.open(filec):read('*a'))
   end)
 end)
@@ -155,7 +155,7 @@ describe('file_open', function()
   itp('can create a rwx------ file with kFileCreate', function()
     local err, fp = file_open(filec, m.kFileCreate, 448)
     eq(0, err)
-    local attrs = luv.fs_stat(filec)
+    local attrs = uv.fs_stat(filec)
     eq(33216, attrs.mode)
     eq(0, m.file_close(fp, false))
   end)
@@ -163,7 +163,7 @@ describe('file_open', function()
   itp('can create a rw------- file with kFileCreate', function()
     local err, fp = file_open(filec, m.kFileCreate, 384)
     eq(0, err)
-    local attrs = luv.fs_stat(filec)
+    local attrs = uv.fs_stat(filec)
     eq(33152, attrs.mode)
     eq(0, m.file_close(fp, false))
   end)
@@ -171,7 +171,7 @@ describe('file_open', function()
   itp('can create a rwx------ file with kFileCreateOnly', function()
     local err, fp = file_open(filec, m.kFileCreateOnly, 448)
     eq(0, err)
-    local attrs = luv.fs_stat(filec)
+    local attrs = uv.fs_stat(filec)
     eq(33216, attrs.mode)
     eq(0, m.file_close(fp, false))
   end)
@@ -179,7 +179,7 @@ describe('file_open', function()
   itp('can create a rw------- file with kFileCreateOnly', function()
     local err, fp = file_open(filec, m.kFileCreateOnly, 384)
     eq(0, err)
-    local attrs = luv.fs_stat(filec)
+    local attrs = uv.fs_stat(filec)
     eq(33152, attrs.mode)
     eq(0, m.file_close(fp, false))
   end)
@@ -231,7 +231,7 @@ describe('file_open', function()
     eq(0, err)
     eq(true, fp.wr)
     eq(0, m.file_close(fp, false))
-    local attrs = luv.fs_stat(file1)
+    local attrs = uv.fs_stat(file1)
     eq(0, attrs.size)
   end)
 
@@ -240,14 +240,14 @@ describe('file_open', function()
     eq(0, err)
     eq(true, fp.wr)
     eq(0, m.file_close(fp, false))
-    local attrs = luv.fs_stat(file1)
+    local attrs = uv.fs_stat(file1)
     eq(4096, attrs.size)
   end)
 
   itp('fails to create a file with just kFileWriteOnly', function()
     local err, _ = file_open(filec, m.kFileWriteOnly, 384)
     eq(m.UV_ENOENT, err)
-    local attrs = luv.fs_stat(filec)
+    local attrs = uv.fs_stat(filec)
     eq(nil, attrs)
   end)
 
@@ -256,7 +256,7 @@ describe('file_open', function()
     eq(0, err)
     eq(true, fp.wr)
     eq(0, m.file_close(fp, false))
-    local attrs = luv.fs_stat(file1)
+    local attrs = uv.fs_stat(file1)
     eq(0, attrs.size)
   end)
 
@@ -297,9 +297,9 @@ describe('file_close', function()
     eq(0, err)
     local wsize = file_write(fp, 'test')
     eq(4, wsize)
-    eq(0, luv.fs_stat(filec).size)
+    eq(0, uv.fs_stat(filec).size)
     eq(0, m.file_close(fp, true))
-    eq(wsize, luv.fs_stat(filec).size)
+    eq(wsize, uv.fs_stat(filec).size)
   end)
 end)
 
@@ -309,9 +309,9 @@ describe('file_free', function()
     eq(0, err)
     local wsize = file_write(fp, 'test')
     eq(4, wsize)
-    eq(0, luv.fs_stat(filec).size)
+    eq(0, uv.fs_stat(filec).size)
     eq(0, m.file_free(fp, true))
-    eq(wsize, luv.fs_stat(filec).size)
+    eq(wsize, uv.fs_stat(filec).size)
   end)
 end)
 
@@ -320,12 +320,12 @@ describe('file_fsync', function()
     local err, fp = file_open(filec, m.kFileCreateOnly, 384)
     eq(0, file_fsync(fp))
     eq(0, err)
-    eq(0, luv.fs_stat(filec).size)
+    eq(0, uv.fs_stat(filec).size)
     local wsize = file_write(fp, 'test')
     eq(4, wsize)
-    eq(0, luv.fs_stat(filec).size)
+    eq(0, uv.fs_stat(filec).size)
     eq(0, file_fsync(fp))
-    eq(wsize, luv.fs_stat(filec).size)
+    eq(wsize, uv.fs_stat(filec).size)
     eq(0, m.file_close(fp, false))
   end)
 end)
@@ -335,12 +335,12 @@ describe('file_flush', function()
     local err, fp = file_open(filec, m.kFileCreateOnly, 384)
     eq(0, file_flush(fp))
     eq(0, err)
-    eq(0, luv.fs_stat(filec).size)
+    eq(0, uv.fs_stat(filec).size)
     local wsize = file_write(fp, 'test')
     eq(4, wsize)
-    eq(0, luv.fs_stat(filec).size)
+    eq(0, uv.fs_stat(filec).size)
     eq(0, file_flush(fp))
-    eq(wsize, luv.fs_stat(filec).size)
+    eq(wsize, uv.fs_stat(filec).size)
     eq(0, m.file_close(fp, false))
   end)
 end)
@@ -411,7 +411,7 @@ describe('file_write', function()
     local wr = file_write(fp, fcontents)
     eq(#fcontents, wr)
     eq(0, m.file_close(fp, false))
-    eq(wr, luv.fs_stat(filec).size)
+    eq(wr, uv.fs_stat(filec).size)
     eq(fcontents, io.open(filec):read('*a'))
   end)
 
@@ -428,7 +428,7 @@ describe('file_write', function()
       shift = shift + size
     end
     eq(0, m.file_close(fp, false))
-    eq(#fcontents, luv.fs_stat(filec).size)
+    eq(#fcontents, uv.fs_stat(filec).size)
     eq(fcontents, io.open(filec):read('*a'))
   end)
 
@@ -445,7 +445,7 @@ describe('file_write', function()
       shift = shift + size
     end
     eq(0, m.file_close(fp, false))
-    eq(#fcontents, luv.fs_stat(filec).size)
+    eq(#fcontents, uv.fs_stat(filec).size)
     eq(fcontents, io.open(filec):read('*a'))
   end)
 end)
diff --git a/test/unit/os/fs_spec.lua b/test/unit/os/fs_spec.lua
index 0a0aeaa35e..c15cd12fef 100644
--- a/test/unit/os/fs_spec.lua
+++ b/test/unit/os/fs_spec.lua
@@ -1,4 +1,4 @@
-local luv = require('luv')
+local uv = vim.uv
 local bit = require('bit')
 
 local helpers = require('test.unit.helpers')(after_each)
@@ -46,11 +46,11 @@ local function unset_bit(number, to_unset)
 end
 
 local function assert_file_exists(filepath)
-  neq(nil, luv.fs_stat(filepath))
+  neq(nil, uv.fs_stat(filepath))
 end
 
 local function assert_file_does_not_exist(filepath)
-  eq(nil, luv.fs_stat(filepath))
+  eq(nil, uv.fs_stat(filepath))
 end
 
 local function os_setperm(filename, perm)
@@ -73,9 +73,9 @@ describe('fs.c', function()
     io.open('unit-test-directory/test.file', 'w'):close()
 
     io.open('unit-test-directory/test_2.file', 'w'):close()
-    luv.fs_symlink('test.file', 'unit-test-directory/test_link.file')
+    uv.fs_symlink('test.file', 'unit-test-directory/test_link.file')
 
-    luv.fs_symlink('non_existing_file.file', 'unit-test-directory/test_broken_link.file')
+    uv.fs_symlink('non_existing_file.file', 'unit-test-directory/test_broken_link.file')
     -- The tests are invoked with an absolute path to `busted` executable.
     absolute_executable = arg[0]
     -- Split the absolute_executable path into a directory and filename.
@@ -88,19 +88,19 @@ describe('fs.c', function()
     os.remove('unit-test-directory/test_link.file')
     os.remove('unit-test-directory/test_hlink.file')
     os.remove('unit-test-directory/test_broken_link.file')
-    luv.fs_rmdir('unit-test-directory')
+    uv.fs_rmdir('unit-test-directory')
   end)
 
   describe('os_dirname', function()
     itp('returns OK and writes current directory to the buffer', function()
-      local length = string.len(luv.cwd()) + 1
+      local length = string.len(uv.cwd()) + 1
       local buf = cstr(length, '')
       eq(OK, fs.os_dirname(buf, length))
-      eq(luv.cwd(), ffi.string(buf))
+      eq(uv.cwd(), ffi.string(buf))
     end)
 
     itp('returns FAIL if the buffer is too small', function()
-      local length = string.len(luv.cwd()) + 1
+      local length = string.len(uv.cwd()) + 1
       local buf = cstr(length - 1, '')
       eq(FAIL, fs.os_dirname(buf, length - 1))
     end)
@@ -201,20 +201,20 @@ describe('fs.c', function()
     end)
 
     itp('returns the absolute path when given an executable relative to the current dir', function()
-      local old_dir = luv.cwd()
+      local old_dir = uv.cwd()
 
-      luv.chdir(directory)
+      uv.chdir(directory)
 
       -- Rely on currentdir to resolve symlinks, if any. Testing against
       -- the absolute path taken from arg[0] may result in failure where
       -- the path has a symlink in it.
-      local canonical = luv.cwd() .. '/' .. executable_name
+      local canonical = uv.cwd() .. '/' .. executable_name
       local expected = exe(canonical)
       local relative_executable = './' .. executable_name
       local res = exe(relative_executable)
 
       -- Don't test yet; we need to chdir back first.
-      luv.chdir(old_dir)
+      uv.chdir(old_dir)
       eq(expected, res)
     end)
   end)
@@ -276,11 +276,11 @@ describe('fs.c', function()
     describe('os_fchown', function()
       local filename = 'unit-test-directory/test.file'
       itp('does not change owner and group if respective IDs are equal to -1', function()
-        local uid = luv.fs_stat(filename).uid
-        local gid = luv.fs_stat(filename).gid
+        local uid = uv.fs_stat(filename).uid
+        local gid = uv.fs_stat(filename).gid
         eq(0, os_fchown(filename, -1, -1))
-        eq(uid, luv.fs_stat(filename).uid)
-        return eq(gid, luv.fs_stat(filename).gid)
+        eq(uid, uv.fs_stat(filename).uid)
+        return eq(gid, uv.fs_stat(filename).gid)
       end)
 
       -- Some systems may not have `id` utility.
@@ -290,7 +290,7 @@ describe('fs.c', function()
         itp(
           'owner of a file may change the group of the file to any group of which that owner is a member',
           function()
-            local file_gid = luv.fs_stat(filename).gid
+            local file_gid = uv.fs_stat(filename).gid
 
             -- Gets ID of any group of which current user is a member except the
             -- group that owns the file.
@@ -305,7 +305,7 @@ describe('fs.c', function()
             -- In that case we can not perform this test.
             if new_gid then
               eq(0, (os_fchown(filename, -1, new_gid)))
-              eq(new_gid, luv.fs_stat(filename).gid)
+              eq(new_gid, uv.fs_stat(filename).gid)
             end
           end
         )
@@ -554,7 +554,7 @@ describe('fs.c', function()
         --create the file
         local fd = os_open(new_file, ffi.C.kO_CREAT, tonumber('700', 8))
         --verify permissions
-        eq(33216, luv.fs_stat(new_file).mode)
+        eq(33216, uv.fs_stat(new_file).mode)
         eq(0, os_close(fd))
       end)
 
@@ -563,7 +563,7 @@ describe('fs.c', function()
         --create the file
         local fd = os_open(new_file, ffi.C.kO_CREAT, tonumber('600', 8))
         --verify permissions
-        eq(33152, luv.fs_stat(new_file).mode)
+        eq(33152, uv.fs_stat(new_file).mode)
         eq(0, os_close(fd))
       end)
 
@@ -793,7 +793,7 @@ describe('fs.c', function()
         eq(false, (os_isdir('unit-test-directory/new-dir')))
         eq(0, (os_mkdir('unit-test-directory/new-dir', mode)))
         eq(true, (os_isdir('unit-test-directory/new-dir')))
-        luv.fs_rmdir('unit-test-directory/new-dir')
+        uv.fs_rmdir('unit-test-directory/new-dir')
       end)
     end)
 
@@ -831,7 +831,7 @@ describe('fs.c', function()
         eq(nil, failed_dir)
         ok(endswith(created_dir, 'unit-test-directory/new-dir-recurse'))
         eq(true, os_isdir('unit-test-directory/new-dir-recurse'))
-        luv.fs_rmdir('unit-test-directory/new-dir-recurse')
+        uv.fs_rmdir('unit-test-directory/new-dir-recurse')
         eq(false, os_isdir('unit-test-directory/new-dir-recurse'))
       end)
 
@@ -843,7 +843,7 @@ describe('fs.c', function()
         eq(nil, failed_dir)
         ok(endswith(created_dir, 'unit-test-directory/new-dir-recurse'))
         eq(true, os_isdir('unit-test-directory/new-dir-recurse'))
-        luv.fs_rmdir('unit-test-directory/new-dir-recurse')
+        uv.fs_rmdir('unit-test-directory/new-dir-recurse')
         eq(false, os_isdir('unit-test-directory/new-dir-recurse'))
       end)
 
@@ -855,7 +855,7 @@ describe('fs.c', function()
         eq(nil, failed_dir)
         ok(endswith(created_dir, 'unit-test-directory/new-dir-recurse'))
         eq(true, os_isdir('unit-test-directory/new-dir-recurse'))
-        luv.fs_rmdir('unit-test-directory/new-dir-recurse')
+        uv.fs_rmdir('unit-test-directory/new-dir-recurse')
         eq(false, os_isdir('unit-test-directory/new-dir-recurse'))
       end)
 
@@ -870,10 +870,10 @@ describe('fs.c', function()
         eq(true, os_isdir('unit-test-directory/new-dir-recurse/1'))
         eq(true, os_isdir('unit-test-directory/new-dir-recurse/1/2'))
         eq(true, os_isdir('unit-test-directory/new-dir-recurse/1/2/3'))
-        luv.fs_rmdir('unit-test-directory/new-dir-recurse/1/2/3')
-        luv.fs_rmdir('unit-test-directory/new-dir-recurse/1/2')
-        luv.fs_rmdir('unit-test-directory/new-dir-recurse/1')
-        luv.fs_rmdir('unit-test-directory/new-dir-recurse')
+        uv.fs_rmdir('unit-test-directory/new-dir-recurse/1/2/3')
+        uv.fs_rmdir('unit-test-directory/new-dir-recurse/1/2')
+        uv.fs_rmdir('unit-test-directory/new-dir-recurse/1')
+        uv.fs_rmdir('unit-test-directory/new-dir-recurse')
         eq(false, os_isdir('unit-test-directory/new-dir-recurse'))
       end)
     end)
@@ -1038,7 +1038,7 @@ describe('fs.c', function()
         file:write('some bytes to get filesize != 0')
         file:flush()
         file:close()
-        local size = luv.fs_stat(path).size
+        local size = uv.fs_stat(path).size
         local info = file_info_new()
         assert.is_true(fs.os_fileinfo(path, info))
         eq(size, fs.os_fileinfo_size(info))
@@ -1052,7 +1052,7 @@ describe('fs.c', function()
         local info = file_info_new()
         assert.is_true(fs.os_fileinfo(path, info))
         eq(1, fs.os_fileinfo_hardlinks(info))
-        luv.fs_link(path, path_link)
+        uv.fs_link(path, path_link)
         assert.is_true(fs.os_fileinfo(path, info))
         eq(2, fs.os_fileinfo_hardlinks(info))
       end)
@@ -1061,7 +1061,7 @@ describe('fs.c', function()
     describe('os_fileinfo_blocksize', function()
       itp('returns the correct blocksize of a file', function()
         local path = 'unit-test-directory/test.file'
-        local blksize = luv.fs_stat(path).blksize
+        local blksize = uv.fs_stat(path).blksize
         local info = file_info_new()
         assert.is_true(fs.os_fileinfo(path, info))
         if blksize then
diff --git a/test/unit/path_spec.lua b/test/unit/path_spec.lua
index 3ed25b0ba7..c564ec119e 100644
--- a/test/unit/path_spec.lua
+++ b/test/unit/path_spec.lua
@@ -1,4 +1,4 @@
-local luv = require('luv')
+local uv = vim.uv
 local helpers = require('test.unit.helpers')(after_each)
 local itp = helpers.gen_itp(it)
 
@@ -27,7 +27,7 @@ describe('path.c', function()
     end)
 
     teardown(function()
-      luv.fs_rmdir('unit-test-directory')
+      uv.fs_rmdir('unit-test-directory')
     end)
 
     local function path_full_dir_name(directory, buf, len)
@@ -37,34 +37,34 @@ describe('path.c', function()
 
     before_each(function()
       -- Create empty string buffer which will contain the resulting path.
-      length = string.len(luv.cwd()) + 22
+      length = string.len(uv.cwd()) + 22
       buffer = cstr(length, '')
     end)
 
     itp('returns the absolute directory name of a given relative one', function()
       local result = path_full_dir_name('..', buffer, length)
       eq(OK, result)
-      local old_dir = luv.cwd()
-      luv.chdir('..')
-      local expected = luv.cwd()
-      luv.chdir(old_dir)
+      local old_dir = uv.cwd()
+      uv.chdir('..')
+      local expected = uv.cwd()
+      uv.chdir(old_dir)
       eq(expected, (ffi.string(buffer)))
     end)
 
     itp('returns the current directory name if the given string is empty', function()
       eq(OK, (path_full_dir_name('', buffer, length)))
-      eq(luv.cwd(), (ffi.string(buffer)))
+      eq(uv.cwd(), (ffi.string(buffer)))
     end)
 
     itp('works with a normal relative dir', function()
       local result = path_full_dir_name('unit-test-directory', buffer, length)
-      eq(luv.cwd() .. '/unit-test-directory', (ffi.string(buffer)))
+      eq(uv.cwd() .. '/unit-test-directory', (ffi.string(buffer)))
       eq(OK, result)
     end)
 
     itp('works with a non-existing relative dir', function()
       local result = path_full_dir_name('does-not-exist', buffer, length)
-      eq(luv.cwd() .. '/does-not-exist', (ffi.string(buffer)))
+      eq(uv.cwd() .. '/does-not-exist', (ffi.string(buffer)))
       eq(OK, result)
     end)
 
@@ -270,27 +270,27 @@ describe('path.c', function()
 end)
 
 describe('path_try_shorten_fname', function()
-  local cwd = luv.cwd()
+  local cwd = uv.cwd()
 
   before_each(function()
     mkdir('ut_directory')
   end)
 
   after_each(function()
-    luv.chdir(cwd)
-    luv.fs_rmdir('ut_directory')
+    uv.chdir(cwd)
+    uv.fs_rmdir('ut_directory')
   end)
 
   describe('path_try_shorten_fname', function()
     itp('returns shortened path if possible', function()
-      luv.chdir('ut_directory')
-      local full = to_cstr(luv.cwd() .. '/subdir/file.txt')
+      uv.chdir('ut_directory')
+      local full = to_cstr(uv.cwd() .. '/subdir/file.txt')
       eq('subdir/file.txt', (ffi.string(cimp.path_try_shorten_fname(full))))
     end)
 
     itp('returns `full_path` if a shorter version is not possible', function()
-      local old = luv.cwd()
-      luv.chdir('ut_directory')
+      local old = uv.cwd()
+      uv.chdir('ut_directory')
       local full = old .. '/subdir/file.txt'
       eq(full, (ffi.string(cimp.path_try_shorten_fname(to_cstr(full)))))
     end)
@@ -302,7 +302,7 @@ describe('path_try_shorten_fname', function()
 end)
 
 describe('path.c path_guess_exepath', function()
-  local cwd = luv.cwd()
+  local cwd = uv.cwd()
 
   for _, name in ipairs({ './nvim', '.nvim', 'foo/nvim' }) do
     itp('"' .. name .. '" returns name catenated with CWD', function()
@@ -370,7 +370,7 @@ describe('path.c', function()
 
   teardown(function()
     os.remove('unit-test-directory/test.file')
-    luv.fs_rmdir('unit-test-directory')
+    uv.fs_rmdir('unit-test-directory')
   end)
 
   describe('vim_FullName', function()
@@ -422,7 +422,7 @@ describe('path.c', function()
     end)
 
     itp('concatenates filename if it does not contain a slash', function()
-      local expected = luv.cwd() .. '/test.file'
+      local expected = uv.cwd() .. '/test.file'
       local filename = 'test.file'
       local buflen = get_buf_len(expected, filename)
       local do_expand = 1
@@ -432,7 +432,7 @@ describe('path.c', function()
     end)
 
     itp('concatenates directory name if it does not contain a slash', function()
-      local expected = luv.cwd() .. '/..'
+      local expected = uv.cwd() .. '/..'
       local filename = '..'
       local buflen = get_buf_len(expected, filename)
       local do_expand = 1
@@ -444,10 +444,10 @@ describe('path.c', function()
     itp(
       'enters given directory (instead of just concatenating the strings) if possible and if path contains a slash',
       function()
-        local old_dir = luv.cwd()
-        luv.chdir('..')
-        local expected = luv.cwd() .. '/test.file'
-        luv.chdir(old_dir)
+        local old_dir = uv.cwd()
+        uv.chdir('..')
+        local expected = uv.cwd() .. '/test.file'
+        uv.chdir(old_dir)
         local filename = '../test.file'
         local buflen = get_buf_len(expected, filename)
         local do_expand = 1
@@ -477,7 +477,7 @@ describe('path.c', function()
     end)
 
     itp('works with some "normal" relative path with directories', function()
-      local expected = luv.cwd() .. '/unit-test-directory/test.file'
+      local expected = uv.cwd() .. '/unit-test-directory/test.file'
       local filename = 'unit-test-directory/test.file'
       local buflen = get_buf_len(expected, filename)
       local do_expand = 1
@@ -487,7 +487,7 @@ describe('path.c', function()
     end)
 
     itp('does not modify the given filename', function()
-      local expected = luv.cwd() .. '/unit-test-directory/test.file'
+      local expected = uv.cwd() .. '/unit-test-directory/test.file'
       local filename = to_cstr('unit-test-directory/test.file')
       local buflen = string.len(expected) + 1
       local buf = cstr(buflen, '')
@@ -510,7 +510,7 @@ describe('path.c', function()
     end)
 
     itp('does not remove trailing slash from non-existing relative directory #20847', function()
-      local expected = luv.cwd() .. '/non_existing_dir/'
+      local expected = uv.cwd() .. '/non_existing_dir/'
       local filename = 'non_existing_dir/'
       local buflen = get_buf_len(expected, filename)
       local do_expand = 1
@@ -520,7 +520,7 @@ describe('path.c', function()
     end)
 
     itp('expands "./" to the current directory #7117', function()
-      local expected = luv.cwd() .. '/unit-test-directory/test.file'
+      local expected = uv.cwd() .. '/unit-test-directory/test.file'
       local filename = './unit-test-directory/test.file'
       local buflen = get_buf_len(expected, filename)
       local do_expand = 1
@@ -530,7 +530,7 @@ describe('path.c', function()
     end)
 
     itp('collapses "foo/../foo" to "foo" #7117', function()
-      local expected = luv.cwd() .. '/unit-test-directory/test.file'
+      local expected = uv.cwd() .. '/unit-test-directory/test.file'
       local filename = 'unit-test-directory/../unit-test-directory/test.file'
       local buflen = get_buf_len(expected, filename)
       local do_expand = 1
@@ -551,7 +551,7 @@ describe('path.c', function()
       mkdir('CamelCase')
     end)
     after_each(function()
-      luv.fs_rmdir('CamelCase')
+      uv.fs_rmdir('CamelCase')
     end)
 
     if ffi.os == 'Windows' or ffi.os == 'OSX' then