class Shoulda::ActionController::Matchers::RouteMatcher

def description
  "route #{@method.to_s.upcase} #{@path} to/from #{@params.inspect}"
end

def guess_controller!
  @params[:controller] ||= @controller.controller_path
end

def in_context(context)
  @context = context
  self
end

def initialize(method, path, context)
  @method  = method
  @path    = path
  @context = context
end

def matches?(controller)
  @controller = controller
  guess_controller!
  stringify_params!
  route_recognized?
end

def route_recognized?
  begin
    @context.send(:assert_routing, 
                  { :method => @method, :path => @path },
                  @params)
    @negative_failure_message = "Didn't expect to #{description}"
    true
  rescue ::ActionController::RoutingError => error
    @failure_message = error.message
    false
  rescue Test::Unit::AssertionFailedError => error
    @failure_message = error.message
    false
  end
end

def stringify_params!
  @params.each do |key, value|
    @params[key] = value.to_param
  end
end

def to(params)
  @params = params
  self
end