cleanup lua tests

rootfs/etc/nginx/lua/test/balancer/chash_test.lua

@@ -1,5 +1,3 @@
-package.path = "./rootfs/etc/nginx/lua/?.lua;./rootfs/etc/nginx/lua/test/mocks/?.lua;" .. package.path
-
 describe("Balancer chash", function()
   local balancer_chash = require("balancer.chash")
 

rootfs/etc/nginx/lua/test/balancer/ewma_test.lua

@@ -1,17 +1,5 @@
-package.path = "./rootfs/etc/nginx/lua/?.lua;./rootfs/etc/nginx/lua/test/mocks/?.lua;" .. package.path
-
 local util = require("util")
 
-local _ngx = {
-  shared = {
-    balancer_ewma = { flush_all = function() end },
-    balancer_ewma_last_touched_at = { flush_all = function() end }
-  },
-  log = function(...) end,
-  now = function() return os.time() end,
-}
-_G.ngx = _ngx
-
 describe("Balancer ewma", function()
   local balancer_ewma = require("balancer.ewma")
 

rootfs/etc/nginx/lua/test/balancer_test.lua

@@ -1,12 +1,5 @@
-package.path = "./rootfs/etc/nginx/lua/?.lua;./rootfs/etc/nginx/lua/test/mocks/?.lua;" .. package.path
 _G._TEST = true
 
-local _ngx = {
-  shared = {},
-  log = function(...) end,
-}
-_G.ngx = _ngx
-
 local balancer, expected_implementations, backends
 
 local function reset_balancer()
@@ -92,10 +85,10 @@ describe("Balancer", function()
 
       local s_old = spy.on(implementation, "new")
       local s = spy.on(new_implementation, "new")
-      local s_ngx_log = spy.on(_G.ngx, "log")
+      local s_ngx_log = spy.on(ngx, "log")
 
       assert.has_no.errors(function() balancer.sync_backend(backend) end)
-      assert.spy(s_ngx_log).was_called_with(ngx.ERR,
+      assert.spy(s_ngx_log).was_called_with(ngx.INFO,
       "LB algorithm changed from round_robin to ewma, resetting the instance")
       -- TODO(elvinefendi) figure out why
       -- assert.spy(s).was_called_with(new_implementation, backend) does not work here

rootfs/etc/nginx/lua/test/defer_test.lua

@@ -1,13 +1,5 @@
-package.path = "./rootfs/etc/nginx/lua/?.lua;./rootfs/etc/nginx/lua/test/mocks/?.lua;" .. package.path
 _G._TEST = true
-local defer = require('util.defer')
+local defer = require("util.defer")
-
-local _ngx = {
-    shared = {},
-    log = function(...) end,
-    get_phase = function() return "timer" end,
-}
-_G.ngx = _ngx
 
 describe("Defer", function()
    describe("to_timer_phase", function()

rootfs/etc/nginx/lua/test/mocks/ngx/balancer.lua

@@ -1 +0,0 @@
-return {}

rootfs/etc/nginx/lua/test/mocks/resty/chash.lua

@@ -1,3 +0,0 @@
-return {
-  new = function(self, nodes) return {} end
-}

rootfs/etc/nginx/lua/test/mocks/resty/cookie.lua

@@ -1 +0,0 @@
-return {}

rootfs/etc/nginx/lua/test/mocks/resty/lock.lua

@@ -1,3 +0,0 @@
-return {
-  new = function(self, name, ...) return {} end,
-}

rootfs/etc/nginx/lua/test/mocks/resty/md5.lua

@@ -1 +0,0 @@
-return {}

rootfs/etc/nginx/lua/test/mocks/resty/roundrobin.lua

@@ -1,3 +0,0 @@
-return {
-  new = function(self, nodes) return {} end
-}

rootfs/etc/nginx/lua/test/mocks/resty/sha1.lua

@@ -1 +0,0 @@
-return {}

rootfs/etc/nginx/lua/test/mocks/resty/string.lua

@@ -1 +0,0 @@
-return {}

rootfs/etc/nginx/lua/test/monitor_test.lua

@@ -1,25 +1,5 @@
-package.path = "./rootfs/etc/nginx/lua/?.lua;./rootfs/etc/nginx/lua/test/mocks/?.lua;" .. package.path
 _G._TEST = true
-local cjson = require('cjson')
+local cjson = require("cjson")
-
-local function udp_mock()
-    return {
-        setpeername = function(...) return true end,
-        send = function(payload) return payload end,
-        close = function(...) return true end
-    }
-end
-
-local _ngx = {
-    shared = {},
-    log = function(...) end,
-    socket = {
-        udp = udp_mock
-    },
-    get_phase = function() return "timer" end,
-    var = {}
-}
-_G.ngx = _ngx
 
 describe("Monitor", function()
     local monitor = require("monitor")