World's fastest mock

todot.rb

# usage:
#   thing = todot(keys: { get: { turned: ["into", "reader", "methods"] } })
#   thing.keys.get.turned
#   # => ["into", "reader", "methods"]

require "ostruct"

def todot(obj)
  case obj
  when Array
    obj.map { todot(it) }
  when Hash
    OpenStruct.new(Hash[obj.map { |k, v| [k, todot(v)] }])
  else
    obj
  end
end