Module:User:Mr. Stradivarius/gambiarra
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--[[
-- MIT LICENSE
--
-- Copyright (c) 2015 Serge Zaitsev
--
-- Permission is hereby granted, free of charge, to any person obtaining a
-- copy of this software and associated documentation files (the
-- "Software"), to deal in the Software without restriction, including
-- without limitation the rights to use, copy, modify, merge, publish,
-- distribute, sublicense, and/or sell copies of the Software, and to
-- permit persons to whom the Software is furnished to do so, subject to
-- the following conditions:
--
-- The above copyright notice and this permission notice shall be included
-- in all copies or substantial portions of the Software.
--
-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-- IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-- CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-- TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-- SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
--]]
local function TERMINAL_HANDLER(e, test, msg)
if e == 'pass' then
mw.log("�[32m✔�[0m "..test..': '..msg)
elseif e == 'fail' then
mw.log("�[31m✘�[0m "..test..': '..msg)
elseif e == 'except' then
mw.log("�[31m✘�[0m "..test..': '..msg)
end
end
local function deepeq(a, b)
-- Different types: false
if type(a) ~= type(b) then return false end
-- Functions
if type(a) == 'function' then
return string.dump(a) == string.dump(b)
end
-- Primitives and equal pointers
if a == b then return true end
-- Only equal tables could have passed previous tests
if type(a) ~= 'table' then return false end
-- Compare tables field by field
for k,v in pairs(a) do
if b[k] == nil or not deepeq(v, b[k]) then return false end
end
for k,v in pairs(b) do
if a[k] == nil or not deepeq(v, a[k]) then return false end
end
return true
end
-- Compatibility for Lua 5.1 and Lua 5.2
local function args(...)
return {n=select('#', ...), ...}
end
local function spy(f)
local s = {}
setmetatable(s, {__call = function(s, ...)
s.called = s.called or {}
local a = args(...)
table.insert(s.called, {...})
if f then
local r
r = args(pcall(f, (unpack or table.unpack)(a, 1, a.n)))
if not r[1] then
s.errors = s.errors or {}
s.errors[#s.called] = r[2]
else
return (unpack or table.unpack)(r, 2, r.n)
end
end
end})
return s
end
return function(handler, env)
local pendingtests = {}
local function runpending()
if pendingtests[1] ~= nil then pendingtests[1](runpending) end
end
local function test(name, f, async)
local testfn = function(next)
local prev = {
ok = env.ok,
spy = env.spy,
eq = env.eq
}
local restore = function()
env.ok = prev.ok
env.spy = prev.spy
env.eq = prev.eq
env.gambiarrahandler('end', name)
table.remove(pendingtests, 1)
if next then next() end
end
local handler = env.gambiarrahandler
env.eq = deepeq
env.spy = spy
env.ok = function(cond, msg)
if cond then
handler('pass', name, msg)
else
handler('fail', name, msg)
end
end
handler('begin', name);
local ok, err = pcall(f, restore)
if not ok then
handler('except', name, err)
end
if not async then
handler('end', name);
env.ok = prev.ok;
env.spy = prev.spy;
env.eq = prev.eq;
end
end
if not async then
testfn()
else
table.insert(pendingtests, testfn)
if #pendingtests == 1 then
runpending()
end
end
end
env = env or _G
env.gambiarrahandler = handler or TERMINAL_HANDLER
env.test = test
end