module Typhoeus::ClassMethods

def mock_key_for(url, params = nil)

a corresponding mock.
set of Typhoeus options to be used to store/retrieve
Returns a key for a given URL and passed in

def mock_key_for(url, params = nil)
  if url == :catch_all
    url
  else
    key = url
    if params and !params.empty?
      key += flatten_and_sort_hash(params).to_s
    end
    key
  end
end