Minetest-WorldEditAdditions/worldeditadditions/lib/normalize_test.lua
2024-10-14 10:32:11 -07:00

52 lines
1.9 KiB
Lua

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-- Metatable for tests
local metatable = {
__call = function(self,name, ...)
return xpcall(self.func, debug.traceback, name, ...)
end,
help = function(self)
return "Params: " .. self.params .. "\n" .. self.description
end
}
metatable.__index = metatable
local normalize_test = function(test_name, def)
---
-- 1: Validation
---
if type(test_name) ~= "string" then
error("The test name is not a string.")
end
if type(def) ~= "table" then
error("The test definition is not a table.")
end
if type(def.description) ~= "string" then
error("The test description is not a string.")
end
if type(def.params) ~= "string" or #def.params == 0 then
error("The test params param is not valid.")
end
if type(def.func) ~= "function" then
error("The test function is not a function.")
end
---
-- 2: Normalisation
---
setmetatable(def, metatable)
return test_name, def
end
return normalize_test