Merge #6490 from justinmk/test

Closes #6487

appveyor.yml

@@ -7,7 +7,7 @@ build_script:
 - call ci\build.bat
 cache:
 - C:\msys64\var\cache\pacman\pkg -> ci\build.bat
-- .deps -> third-party/**
+- .deps -> third-party\**
 artifacts:
 - path: build/Neovim.zip
 - path: build/bin/nvim.exe

src/nvim/macros.h

@@ -120,8 +120,10 @@
 /* mch_open_rw(): invoke os_open() with third argument for user R/W. */
 #if defined(UNIX)  /* open in rw------- mode */
 # define mch_open_rw(n, f)      os_open((n), (f), (mode_t)0600)
+#elif defined(WIN32)
+# define mch_open_rw(n, f)      os_open((n), (f), S_IREAD | S_IWRITE)
 #else
-#  define mch_open_rw(n, f)     os_open((n), (f), 0)
+# define mch_open_rw(n, f)      os_open((n), (f), 0)
 #endif
 
 # define REPLACE_NORMAL(s) (((s) & REPLACE_FLAG) && !((s) & VREPLACE_FLAG))

test/benchmark/bench_re_freeze_spec.lua

@@ -1,8 +1,8 @@
 -- Test for benchmarking RE engine.
 
-local helpers = require('test.functional.helpers')
+local helpers = require('test.functional.helpers')(after_each)
 local insert, source = helpers.insert, helpers.source
-local clear, execute, wait = helpers.clear, helpers.execute, helpers.wait
+local clear, command = helpers.clear, helpers.command
 
 -- Temporary file for gathering benchmarking results for each regexp engine.
 local result_file = 'benchmark.out'
@@ -31,7 +31,7 @@ describe('regexp search', function()
     clear()
     source(measure_script)
     insert('" Benchmark_results:')
-    execute('write! ' .. result_file)
+    command('write! ' .. result_file)
   end)
 
   -- At the end of the test run we just print the contents of the result file
@@ -46,22 +46,19 @@ describe('regexp search', function()
 
   it('is working with regexpengine=0', function()
     local regexpengine = 0
-    execute(string.format(measure_cmd, regexpengine))
-    execute('write')
-    wait()
+    command(string.format(measure_cmd, regexpengine))
+    command('write')
   end)
 
   it('is working with regexpengine=1', function()
     local regexpengine = 1
-    execute(string.format(measure_cmd, regexpengine))
-    execute('write')
-    wait()
+    command(string.format(measure_cmd, regexpengine))
+    command('write')
   end)
 
   it('is working with regexpengine=2', function()
     local regexpengine = 2
-    execute(string.format(measure_cmd, regexpengine))
-    execute('write')
-    wait()
+    command(string.format(measure_cmd, regexpengine))
+    command('write')
   end)
 end)

test/functional/ex_cmds/file_spec.lua

@@ -0,0 +1,35 @@
+local helpers = require('test.functional.helpers')(after_each)
+local lfs = require('lfs')
+local clear = helpers.clear
+local command = helpers.command
+local eq = helpers.eq
+local funcs = helpers.funcs
+local rmdir = helpers.rmdir
+
+describe(':file', function()
+  local swapdir = lfs.currentdir()..'/Xtest-file_spec'
+  before_each(function()
+    clear()
+    rmdir(swapdir)
+    lfs.mkdir(swapdir)
+  end)
+  after_each(function()
+    command('%bwipeout!')
+    rmdir(swapdir)
+  end)
+
+  it("rename does not lose swapfile #6487", function()
+    local testfile = 'test-file_spec'
+    local testfile_renamed = testfile..'-renamed'
+    -- Note: `set swapfile` *must* go after `set directory`: otherwise it may
+    -- attempt to create a swapfile in different directory.
+    command('set directory^='..swapdir..'//')
+    command('set swapfile fileformat=unix undolevels=-1')
+
+    command('edit! '..testfile)
+    -- Before #6487 this gave "E301: Oops, lost the swap file !!!" on Windows.
+    command('file '..testfile_renamed)
+    eq(testfile_renamed..'.swp',
+       string.match(funcs.execute('swapname'), '[^%%]+$'))
+  end)
+end)

test/functional/ex_cmds/recover_spec.lua

@@ -1,12 +1,11 @@
--- Tests for :recover
-
 local helpers = require('test.functional.helpers')(after_each)
 local lfs = require('lfs')
 local feed_command, eq, clear, eval, feed, expect, source =
   helpers.feed_command, helpers.eq, helpers.clear, helpers.eval, helpers.feed,
   helpers.expect, helpers.source
-
-if helpers.pending_win32(pending) then return end
+local command = helpers.command
+local ok = helpers.ok
+local rmdir = helpers.rmdir
 
 describe(':recover', function()
   before_each(clear)
@@ -23,30 +22,29 @@ describe(':preserve', function()
   local swapdir = lfs.currentdir()..'/testdir_recover_spec'
   before_each(function()
     clear()
-    helpers.rmdir(swapdir)
+    rmdir(swapdir)
     lfs.mkdir(swapdir)
   end)
   after_each(function()
-    helpers.rmdir(swapdir)
+    command('%bwipeout!')
+    rmdir(swapdir)
   end)
 
   it("saves to custom 'directory' and (R)ecovers (issue #1836)", function()
     local testfile = 'testfile_recover_spec'
+    -- Put swapdir at the start of the 'directory' list. #1836
     -- Note: `set swapfile` *must* go after `set directory`: otherwise it may
     -- attempt to create a swapfile in different directory.
     local init = [[
-      set directory^=]]..swapdir..[[//
+      set directory^=]]..swapdir:gsub([[\]], [[\\]])..[[//
       set swapfile fileformat=unix undolevels=-1
     ]]
 
     source(init)
-    feed_command('set swapfile fileformat=unix undolevels=-1')
-    -- Put swapdir at the start of the 'directory' list. #1836
-    feed_command('set directory^='..swapdir..'//')
-    feed_command('edit '..testfile)
+    command('edit! '..testfile)
     feed('isometext<esc>')
-    feed_command('preserve')
-    source('redir => g:swapname | swapname | redir END')
+    command('preserve')
+    source('redir => g:swapname | silent swapname | redir END')
 
     local swappath1 = eval('g:swapname')
 
@@ -59,19 +57,20 @@ describe(':preserve', function()
     source(init)
 
     -- Use the "SwapExists" event to choose the (R)ecover choice at the dialog.
-    feed_command('autocmd SwapExists * let v:swapchoice = "r"')
-    feed_command('silent edit '..testfile)
-    source('redir => g:swapname | swapname | redir END')
+    command('autocmd SwapExists * let v:swapchoice = "r"')
+    command('silent edit! '..testfile)
+    source('redir => g:swapname | silent swapname | redir END')
 
     local swappath2 = eval('g:swapname')
 
-    -- swapfile from session 1 should end in .swp
-    assert(testfile..'.swp' == string.match(swappath1, '[^%%]+$'))
-
-    -- swapfile from session 2 should end in .swo
-    assert(testfile..'.swo' == string.match(swappath2, '[^%%]+$'))
-
     expect('sometext')
+    -- swapfile from session 1 should end in .swp
+    eq(testfile..'.swp', string.match(swappath1, '[^%%]+$'))
+    -- swapfile from session 2 should end in .swo
+    eq(testfile..'.swo', string.match(swappath2, '[^%%]+$'))
+    -- Verify that :swapname was not truncated (:help 'shortmess').
+    ok(nil == string.find(swappath1, '%.%.%.'))
+    ok(nil == string.find(swappath2, '%.%.%.'))
   end)
 
 end)

test/functional/helpers.lua

@@ -32,20 +32,15 @@ local nvim_set  = 'set shortmess+=I background=light noswapfile noautoindent'
                   ..' belloff= noshowcmd noruler nomore'
 local nvim_argv = {nvim_prog, '-u', 'NONE', '-i', 'NONE', '-N',
                    '--cmd', nvim_set, '--embed'}
-
-local mpack = require('mpack')
-
-local tmpname = global_helpers.tmpname
-local uname = global_helpers.uname
-
--- Formulate a path to the directory containing nvim.  We use this to
--- help run test executables.  It helps to keep the tests working, even
--- when the build is not in the default location.
+-- Directory containing nvim.
 local nvim_dir = nvim_prog:gsub("[/\\][^/\\]+$", "")
 if nvim_dir == nvim_prog then
   nvim_dir = "."
 end
 
+local mpack = require('mpack')
+local tmpname = global_helpers.tmpname
+local uname = global_helpers.uname
 local prepend_argv
 
 if os.getenv('VALGRIND') then
@@ -430,21 +425,27 @@ end
 
 local function do_rmdir(path)
   if lfs.attributes(path, 'mode') ~= 'directory' then
-    return nil
+    return  -- Don't complain.
   end
   for file in lfs.dir(path) do
     if file ~= '.' and file ~= '..' then
       local abspath = path..'/'..file
       if lfs.attributes(abspath, 'mode') == 'directory' then
-        local ret = do_rmdir(abspath)  -- recurse
-        if not ret then
-          return nil
-        end
+        do_rmdir(abspath)  -- recurse
       else
         local ret, err = os.remove(abspath)
         if not ret then
-          error('os.remove: '..err)
-          return nil
+          if not session then
+            error('os.remove: '..err)
+          else
+            -- Try Nvim delete(): it handles `readonly` attribute on Windows,
+            -- and avoids Lua cross-version/platform incompatibilities.
+            if -1 == nvim_call('delete', abspath) then
+              local hint = (os_name() == 'windows'
+                and ' (hint: try :%bwipeout! before rmdir())' or '')
+              error('delete() failed'..hint..': '..abspath)
+            end
+          end
         end
       end
     end
@@ -453,7 +454,6 @@ local function do_rmdir(path)
   if not ret then
     error('lfs.rmdir('..path..'): '..err)
   end
-  return ret
 end
 
 local function rmdir(path)

test/functional/normal/lang_spec.lua

@@ -1,6 +1,6 @@
 local helpers = require('test.functional.helpers')(after_each)
 local clear, insert, eq = helpers.clear, helpers.insert, helpers.eq
-local execute, expect = helpers.execute, helpers.expect
+local command, expect = helpers.command, helpers.expect
 local feed, eval = helpers.feed, helpers.eval
 local exc_exec = helpers.exc_exec
 
@@ -32,7 +32,7 @@ describe('gu and gU', function()
     end
 
     before_each(function()
-      execute('lang ctype tr_TR.UTF-8')
+      command('lang ctype tr_TR.UTF-8')
     end)
 
     it('with default casemap', function()
@@ -46,7 +46,7 @@ describe('gu and gU', function()
     end)
 
     it('with casemap=""', function()
-      execute('set casemap=')
+      command('set casemap=')
       -- expect Turkish locale behavior
       insert("iI")
       feed("VgU")

test/functional/spell/spellfile_spec.lua

@@ -5,6 +5,7 @@ local eq = helpers.eq
 local clear = helpers.clear
 local meths = helpers.meths
 local exc_exec = helpers.exc_exec
+local rmdir = helpers.rmdir
 local write_file = helpers.write_file
 
 local testdir = 'Xtest-functional-spell-spellfile.d'
@@ -12,11 +13,12 @@ local testdir = 'Xtest-functional-spell-spellfile.d'
 describe('spellfile', function()
   before_each(function()
     clear()
+    rmdir(testdir)
     lfs.mkdir(testdir)
     lfs.mkdir(testdir .. '/spell')
   end)
   after_each(function()
-    lfs.rmdir(testdir)
+    rmdir(testdir)
   end)
   --                   ┌ Magic string (#VIMSPELLMAGIC)
   --                   │       ┌ Spell file version (#VIMSPELLVERSION)

test/functional/ui/inccommand_spec.lua

@@ -1,6 +1,7 @@
 local helpers = require('test.functional.helpers')(after_each)
 local Screen = require('test.functional.ui.screen')
 local clear = helpers.clear
+local command = helpers.command
 local curbufmeths = helpers.curbufmeths
 local eq = helpers.eq
 local eval = helpers.eval
@@ -21,9 +22,9 @@ local default_text = [[
 
 local function common_setup(screen, inccommand, text)
   if screen then
-    feed_command("syntax on")
-    feed_command("set nohlsearch")
-    feed_command("hi Substitute guifg=red guibg=yellow")
+    command("syntax on")
+    command("set nohlsearch")
+    command("hi Substitute guifg=red guibg=yellow")
     screen:attach()
     screen:set_default_attr_ids({
       [1]  = {foreground = Screen.colors.Fuchsia},
@@ -46,7 +47,7 @@ local function common_setup(screen, inccommand, text)
     })
   end
 
-  feed_command("set inccommand=" .. (inccommand and inccommand or ""))
+  command("set inccommand=" .. (inccommand and inccommand or ""))
 
   if text then
     insert(text)
@@ -456,7 +457,7 @@ describe(":substitute, 'inccommand' preserves undo", function()
       insert("X")
       feed("IY<esc>")
       feed(":%s/tw/MO/<esc>")
-      -- execute("undo") here would cause "Press ENTER".
+      -- feed_command("undo") here would cause "Press ENTER".
       feed("u")
       expect(default_text:gsub("Inc", "XInc"))
       feed("u")
@@ -514,7 +515,7 @@ describe(":substitute, 'inccommand' preserves undo", function()
       feed("Ay<esc>")
       feed("Az<esc>")
       feed(":%s/tw/AR<esc>")
-      -- using execute("undo") here will result in a "Press ENTER" prompt
+      -- feed_command("undo") here would cause "Press ENTER".
       feed("u")
       expect(default_text:gsub("lines", "linesxy"))
       feed("u")
@@ -603,7 +604,7 @@ describe(":substitute, 'inccommand' preserves undo", function()
 
       feed_command("set undolevels=-1")
       feed(":%s/tw/MO/g<enter>")
-      -- using execute("undo") here will result in a "Press ENTER" prompt
+      -- feed_command("undo") here will result in a "Press ENTER" prompt
       feed("u")
       if case == "split" then
         screen:expect([[
@@ -804,7 +805,6 @@ describe(":substitute, inccommand=split", function()
   it('does not show split window for :s/', function()
     feed("2gg")
     feed(":s/tw")
-    wait()
     screen:expect([[
       Inc substitution on           |
       two lines                     |
@@ -1291,14 +1291,14 @@ describe("'inccommand' and :cnoremap", function()
   it('work with remapped characters', function()
     for _, case in pairs(cases) do
       refresh(case)
-      local command = "%s/lines/LINES/g"
+      local cmd = "%s/lines/LINES/g"
 
-      for i = 1, string.len(command) do
-        local c = string.sub(command, i, i)
+      for i = 1, string.len(cmd) do
+        local c = string.sub(cmd, i, i)
         feed_command("cnoremap ".. c .. " " .. c)
       end
 
-      feed_command(command)
+      feed_command(cmd)
       expect([[
         Inc substitution on
         two LINES

test/functional/ui/screen.lua

@@ -284,18 +284,13 @@ function Screen:wait(check, timeout)
 
   if failure_after_success then
     print([[
-Warning: Screen changes have been received after the expected state was seen.
-This is probably due to an indeterminism in the test. Try adding
-`wait()` (or even a separate `screen:expect(...)`) at a point of possible
-indeterminism, typically in between a `feed()` or `execute()` which is non-
-synchronous, and a synchronous api call.
 
-Note that sometimes a `wait` can trigger redraws and consequently generate more
-indeterminism. If adding `wait` calls seems to increase the frequency of these
-messages, try removing every `wait` call in the test.
-
-If everything else fails, use Screen:redraw_debug to help investigate what is
-  causing the problem.
+Warning: Screen changes were received after the expected state. This indicates
+indeterminism in the test. Try adding wait() (or screen:expect(...)) between
+asynchronous (feed(), nvim_input()) and synchronous API calls.
+  - Use Screen:redraw_debug() to investigate the problem.
+  - wait() can trigger redraws and consequently generate more indeterminism.
+    In that case try removing every wait().
       ]])
     local tb = debug.traceback()
     local index = string.find(tb, '\n%s*%[C]')