From 02f8ca59a80cd3570593c717ff6ceadc33239b89 Mon Sep 17 00:00:00 2001
From: bfredl <bjorn.linse@gmail.com>
Date: Tue, 20 Sep 2022 22:03:16 +0200
Subject: fix(tests): indicate in test logs when nvim exit times out

When it happens it wastes 2 seconds which is NOT included in the
normal busted timing info. It is hard to correct this, but we
can at least print a warning when this happens.
---
 .../fixtures/start/nvim-leftpad/lua/async_leftpad.lua     |  4 +++-
 test/functional/helpers.lua                               | 15 ++++++++++++++-
 2 files changed, 17 insertions(+), 2 deletions(-)

(limited to 'test')

diff --git a/test/functional/fixtures/start/nvim-leftpad/lua/async_leftpad.lua b/test/functional/fixtures/start/nvim-leftpad/lua/async_leftpad.lua
index a312572c5b..45226ce24b 100644
--- a/test/functional/fixtures/start/nvim-leftpad/lua/async_leftpad.lua
+++ b/test/functional/fixtures/start/nvim-leftpad/lua/async_leftpad.lua
@@ -1,3 +1,5 @@
 return function (val, res)
-  vim.loop.new_async(function() _G[res] = require'leftpad'(val) end):send()
+  local handle
+  handle = vim.loop.new_async(function() _G[res] = require'leftpad'(val) handle:close() end)
+  handle:send()
 end
diff --git a/test/functional/helpers.lua b/test/functional/helpers.lua
index d672037a1e..eff54b6d4a 100644
--- a/test/functional/helpers.lua
+++ b/test/functional/helpers.lua
@@ -380,10 +380,23 @@ local function remove_args(args, args_rm)
   return new_args
 end
 
+function module.check_close(old_session)
+  local start_time = luv.now()
+  old_session:close()
+  luv.update_time()  -- Update cached value of luv.now() (libuv: uv_now()).
+  local end_time = luv.now()
+  local delta = end_time - start_time
+  if delta > 500 then
+    print("nvim took " .. delta .. " milliseconds to exit after last test\n"..
+          "This indicates a likely problem with the test even if it passed!\n")
+    io.stdout:flush()
+  end
+end
+
 --- @param io_extra used for stdin_fd, see :help ui-option
 function module.spawn(argv, merge, env, keep, io_extra)
   if session and not keep then
-    session:close()
+    module.check_close(session)
   end
 
   local child_stream = ChildProcessStream.spawn(
-- 
cgit