require "isolation/abstract_unit" require "rack/test" module ApplicationTests class RoutingTest < ActiveSupport::TestCase include ActiveSupport::Testing::Isolation include Rack::Test::Methods def setup build_app end def teardown teardown_app end test "Unknown format falls back to HTML template" do app_file "config/routes.rb", <<-RUBY Rails.application.routes.draw do get 'pages/:id', to: 'pages#show' end RUBY app_file "app/controllers/pages_controller.rb", <<-RUBY class PagesController < ApplicationController layout false def show end end RUBY app_file "app/views/pages/show.html.erb", <<-RUBY <%= params[:id] %> RUBY get "/pages/foo" assert_equal 200, last_response.status get "/pages/foo.bar" assert_equal 200, last_response.status end end end