tests: Fix luacheck warnings

This leaves one warning in tests/test-urgent.lua which points out an actual
bug/problem.

Signed-off-by: Uli Schlachter <psychon@znc.in>

tests/_runner.lua

@@ -1,7 +1,7 @@
 local timer = require("gears.timer")
 local awful = require("awful")
 
-runner = {
+local runner = {
   quit_awesome_on_error = os.getenv('TEST_PAUSE_ON_ERRORS') ~= '1',
   -- quit-on-timeout defaults to false: indicates some problem with the test itself.
   quit_awesome_on_timeout = os.getenv('TEST_QUIT_ON_TIMEOUT') ~= '1',

tests/test-benchmark.lua

@@ -15,7 +15,7 @@ do
     local timer_measure = GLib.Timer()
     measure = function(f, iter)
         timer_measure:start()
-        for i = 1, iter do
+        for _ = 1, iter do
             f()
         end
         local elapsed = timer_measure:elapsed()
@@ -47,7 +47,7 @@ local function create_and_draw_wibox()
     do_pending_repaint()
 end
 
-local wb, textclock = create_wibox()
+local _, textclock = create_wibox()
 
 local function relayout_textclock()
     textclock:emit_signal("widget::layout_changed")

tests/test-focus.lua

@@ -1,10 +1,9 @@
 --- Tests for focus signals / property.
 -- Test for https://github.com/awesomeWM/awesome/issues/134.
 
-awful = require("awful")
-timer = require("gears.timer")
+local awful = require("awful")
 
-beautiful = require("beautiful")
+local beautiful = require("beautiful")
 beautiful.border_normal = "#0000ff"
 beautiful.border_focus  = "#00ff00"
 

tests/test-leaks.lua

@@ -3,17 +3,15 @@
 local awful = require("awful")
 local cairo = require("lgi").cairo
 local create_wibox = require("_wibox_helper").create_wibox
-local gears = require("gears")
 local wibox = require("wibox")
 
-local errors = {}
-
 local prepare_for_collect = nil
 local function emit_refresh()
     awesome.emit_signal("refresh")
 end
 
 -- Make the layoutbox in the default config GC'able
+-- luacheck: globals mywibox mylayoutbox
 mywibox[1].visible = false
 mywibox = nil
 mylayoutbox = nil
@@ -23,7 +21,7 @@ emit_refresh()
 local function collectable(a, b, c, d, e, f, g, h, last)
     assert(last == nil, "got more arguments than supported")
     local objs = setmetatable({ a, b, c, d, e, f, g, h }, { __mode = "v" })
-    a, b, c, d, e, f, g, h = nil, nil, nil, nil, nil, nil, nil, nil
+    a, b, c, d, e, f, g, h = nil, nil, nil, nil, nil, nil, nil, nil -- luacheck: ignore
     if prepare_for_collect then
         prepare_for_collect()
         prepare_for_collect = nil
@@ -31,7 +29,7 @@ local function collectable(a, b, c, d, e, f, g, h, last)
     collectgarbage("collect")
     collectgarbage("collect")
     -- Check if the table is now empty
-    for k, v in pairs(objs) do
+    for _, v in pairs(objs) do
         print("Some object was not garbage collected!")
         error(v)
     end

tests/test-spawn-snid.lua

@@ -16,7 +16,6 @@ local steps = {
     if count == 1 then
       ret, snid = spawn('urxvt', true)
     elseif manage_called then
-      local c = client.get()[1]
       assert(ret)
       assert(snid)
       assert(snid == c_snid)

tests/test-urgent.lua

@@ -1,6 +1,10 @@
 --- Tests for urgent property.
 
-awful = require("awful")
+local awful = require("awful")
+local runner = require("_runner")
+
+-- This uses the global "tags" array set in the default config
+-- luacheck: globals tags
 
 -- Some basic assertion that the tag is not marked "urgent" already.
 assert(awful.tag.getproperty(tags[1][2], "urgent") == nil)
@@ -53,7 +57,7 @@ local steps = {
 
     elseif awful.tag.selectedlist()[1] == tags[1][2] then
       assert(#client.get() == 1)
-      c = client.get()[1]
+      local c = client.get()[1]
       assert(not c.urgent, "Client is not urgent anymore.")
       assert(c == client.focus, "Client is focused.")
       assert(awful.tag.getproperty(tags[1][2], "urgent") == false)
@@ -106,6 +110,6 @@ local steps = {
   end,
 }
 
-require("_runner").run_steps(steps)
+runner.run_steps(steps)
 
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