require 'isolation/abstract_unit' module ApplicationTests class ShowExceptionsTest < Test::Unit::TestCase include ActiveSupport::Testing::Isolation def setup build_app boot_rails FileUtils.rm_rf "#{app_path}/config/environments" end def teardown teardown_app end def app @app ||= Rails.application end test "unspecified route when set action_dispatch.show_exceptions to false" do make_basic_app do |app| app.config.action_dispatch.show_exceptions = false end assert_raise(ActionController::RoutingError) do get '/foo' end end test "unspecified route when set action_dispatch.show_exceptions to true" do make_basic_app do |app| app.config.action_dispatch.show_exceptions = true end assert_nothing_raised(ActionController::RoutingError) do get '/foo' end end end end