module Spec::Rails::Example::RoutingHelpers

def ensure_that_routes_are_loaded 

def ensure_that_routes_are_loaded
  ActionController::Routing::Routes.reload if ActionController::Routing::Routes.empty?
end

def params_from(method, path)

=> :controller => 'registrations', :action => 'edit', :id => '1'
params_from(:get, '/registrations/1/edit')
== Example
an incoming path so the parameters it generates can be checked
Uses ActionController::Routing::Routes to parse 
def params_from(method, path)
  ensure_that_routes_are_loaded
  path, querystring = path.split('?')
  params = ActionController::Routing::Routes.recognize_path(path, :method => method)
  querystring.blank? ? params : params.merge(params_from_querystring(querystring))
end

def route_for(options)

=> {:path => "/registrations", :method => :post}
route_for(:controller => 'registrations', :action => 'create')
=> '/registrations/1/edit'
route_for(:controller => 'registrations', :action => 'edit', :id => '1')
== Examples
the correct route for a given set of options.
Uses ActionController::Routing::Routes to generate 
def route_for(options)
  RouteFor.new(self, options)
end