Module:Sandbox

Le module Sandbox est utile aux tests relatifs à l’étude du document Lua pour MédiaWiki. Par extension il peut servir à tout type de test sur les modules.

---

local p = {}
 
local function reciprocal1(value)
    return 1 / value
end
 
function p.test1(frame)
    local value = frame.args[1]
    return reciprocal1(value)
end
 
local function reciprocal2(value)
    if value == nil then
        error('value must exist')
    end
    if tonumber(value) == nil then
        error('value must be a number')
    end
    if tonumber(value) == 0 then
        error('value must not be 0')
    end
    return 1 / value
end
 
function p.test2(frame)
    local value = frame.args[1]
    return reciprocal2(value)
end
 
local function reciprocal3(value)
    assert(value, 'value must exist')
    assert(tonumber(value), 'value must be a number')
    assert(tonumber(value) ~= 0, 'value must not be zero')
    return 1 / value
end
 
function p.test3(frame)
    local value = frame.args[1]
    return reciprocal3(value)
end
 
function p.test4(frame)
    local value = frame.args[1]
    if pcall(function () result = reciprocal3(value) end) then 
        return result
    else
        return 'Error: Value must exist, must be numeric, and not zero.'
    end
end
 
return p