module ActionController module Assertions module RoutingAssertions # Asserts that the routing of the given path was handled correctly and that the parsed options match. # # assert_recognizes({:controller => 'items', :action => 'index'}, 'items') # # Pass a hash in the second argument to specify the request method. This is useful for routes # requiring a specific method. # # assert_recognizes({:controller => 'items', :action => 'create'}, {:path => 'items', :method => :post}) # def assert_recognizes(expected_options, path, extras={}, message=nil) if path.is_a? Hash request_method = path[:method] path = path[:path] else request_method = nil end clean_backtrace do ActionController::Routing::Routes.reload if ActionController::Routing::Routes.empty? request = recognized_request_for(path, request_method) expected_options = expected_options.clone extras.each_key { |key| expected_options.delete key } unless extras.nil? expected_options.stringify_keys! routing_diff = expected_options.diff(request.path_parameters) msg = build_message(message, "The recognized options did not match , difference: ", request.path_parameters, expected_options, expected_options.diff(request.path_parameters)) assert_block(msg) { request.path_parameters == expected_options } end end # Asserts that the provided options can be used to generate the provided path. def assert_generates(expected_path, options, defaults={}, extras = {}, message=nil) clean_backtrace do expected_path = "/#{expected_path}" unless expected_path[0] == ?/ # Load routes.rb if it hasn't been loaded. ActionController::Routing::Routes.reload if ActionController::Routing::Routes.empty? generated_path, extra_keys = ActionController::Routing::Routes.generate_extras(options, defaults) found_extras = options.reject {|k, v| ! extra_keys.include? k} msg = build_message(message, "found extras , not ", found_extras, extras) assert_block(msg) { found_extras == extras } msg = build_message(message, "The generated path did not match ", generated_path, expected_path) assert_block(msg) { expected_path == generated_path } end end # Asserts that path and options match both ways; in other words, the URL generated from # options is the same as path, and also that the options recognized from path are the same as options def assert_routing(path, options, defaults={}, extras={}, message=nil) assert_recognizes(options, path, extras, message) controller, default_controller = options[:controller], defaults[:controller] if controller && controller.include?(?/) && default_controller && default_controller.include?(?/) options[:controller] = "/#{controller}" end assert_generates(path, options, defaults, extras, message) end private def recognized_request_for(path, request_method = nil) path = "/#{path}" unless path.first == '/' # Assume given controller request = ActionController::TestRequest.new({}, {}, nil) request.env["REQUEST_METHOD"] = request_method.to_s.upcase if request_method request.path = path ActionController::Routing::Routes.recognize(request) request end end end end