module RSpec::Rails::Matchers
  module RoutingMatchers
    extend RSpec::Matchers::DSL

    matcher :route_to do |route_options|
      match_unless_raises Test::Unit::AssertionFailedError do |path|
        assertion_path = { :method => path.keys.first, :path => path.values.first }
        assert_recognizes(route_options, assertion_path)
      end

      failure_message_for_should do
        rescued_exception.message
      end
    end

    matcher :be_routable do
      match_unless_raises ActionController::RoutingError do |path|
        @routing_options = routes.recognize_path(
          path.values.first, :method => path.keys.first
        )
      end

      failure_message_for_should_not do |path|
        "expected #{path.inspect} not to be routable, but it routes to #{@routing_options.inspect}"
      end
    end
  end
end