2016-12-30 11:03:14 +00:00
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2017-01-05 14:50:44 +00:00
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--------------------------------------------------------------------------------
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-- Lua 5.2 compat
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if not setfenv then -- Lua 5.2
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-- based on http://lua-users.org/lists/lua-l/2010-06/msg00314.html
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-- this assumes f is a function
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local function findenv(f)
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local level = 1
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repeat
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local name, value = debug.getupvalue(f, level)
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if name == '_ENV' then return level, value end
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level = level + 1
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until name == nil
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return nil end
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getfenv = function (f) return(select(2, findenv(f)) or _G) end
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setfenv = function (f, t)
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local level = findenv(f)
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if level then debug.setupvalue(f, level, t) end
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return f end
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end
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--------------------------------------------------------------------------------
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2016-12-30 11:03:14 +00:00
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local SUITE = require('TestSuite').new('resilience')
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SUITE:setEnviroment{
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2017-04-03 14:39:19 +00:00
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pretty = require('pretty'),
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setfenv = setfenv,
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2016-12-30 11:03:14 +00:00
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}
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2017-04-03 14:39:19 +00:00
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--------------------------------------------------------------------------------
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-- Prevent usage of unknown options.
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SUITE:addTest('Dont allow unknown options', function ()
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local error_msg = bad_call(pretty, 'Hello World', { some_random_option = true })
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assert(error_msg)
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end)
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SUITE:addTest('Dont allow bad types in options', function ()
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local error_msg = bad_call(pretty, 'Hello World', { max_depth = "hello world" })
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assert(error_msg)
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end)
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2016-12-30 11:03:14 +00:00
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--------------------------------------------------------------------------------
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2017-05-25 20:53:02 +00:00
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-- Survive not loading libs
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-- TODO: Find a way to test this.
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--------------------------------------------------------------------------------
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-- Strange standard libs
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2016-12-30 11:03:14 +00:00
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2017-01-05 12:22:25 +00:00
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SUITE:addTest('no_std_lib', function ()
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2016-12-30 11:03:14 +00:00
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-- This tests whether one could load the library with an empty env, without
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-- an error.
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2017-04-14 10:19:23 +00:00
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local env = {}
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local library = setfenv(loadfile('./library.lua'), env)()
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2017-01-05 12:22:25 +00:00
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for func, func_info in pairs(library) do
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error(('For some reason %s is defined in the library'):format(func_info.name))
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end
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end)
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SUITE:addTest('a_very_small_part_of_math', function ()
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-- This tests whether one could load the library with an empty env, without
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-- an error.
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2017-04-14 11:24:29 +00:00
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local env = { debug = debug, math = { abs = math.abs } }
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2017-04-14 10:19:23 +00:00
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local library = setfenv(loadfile('./library.lua'), env)()
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2017-01-05 12:22:25 +00:00
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assert( library[math.abs], 'Why is math.abs not defined in the library?' )
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2016-12-30 11:03:14 +00:00
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end)
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2017-04-14 10:19:23 +00:00
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SUITE:addTest('redefined part of math', function ()
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-- This tests whether the library ignores a redefined function of an
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-- builtin, when defining documentation.
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2017-04-14 11:24:29 +00:00
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local env = { debug = debug, setfenv = setfenv, loadfile = function() end }
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2017-04-14 10:19:23 +00:00
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local library = setfenv(loadfile('./library.lua'), env)()
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assert( library[env.setfenv], 'Why is setfenv not defined in the library?' )
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assert( not library[env.loadfile], 'Why is loadfile defined in the library?' )
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end)
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2017-04-14 11:24:29 +00:00
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SUITE:addTest('redefined part of math 2', function ()
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-- This tests whether the library allows a redefined function of an
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-- builtin, when defining documentation, due to not being able to determine
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-- the origin of the function.
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local env = { setfenv = setfenv, loadfile = function() end }
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local library = setfenv(loadfile('./library.lua'), env)()
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assert( library[env.setfenv], 'Why is setfenv not defined in the library?' )
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assert( library[env.loadfile], 'Why is loadfile not defined in the library?' )
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end)
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2016-12-30 11:03:14 +00:00
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--------------------------------------------------------------------------------
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return SUITE
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