require 'isolation/abstract_unit' module ApplicationTests class MiddlewareTest < Test::Unit::TestCase include ActiveSupport::Testing::Isolation def setup build_app boot_rails FileUtils.rm_rf "#{app_path}/config/environments" end test "default middleware stack" do boot! assert_equal [ "ActionDispatch::Static", "Rack::Lock", "Rack::Runtime", "Rails::Rack::Logger", "ActionDispatch::ShowExceptions", "ActionDispatch::Callbacks", "ActionDispatch::Cookies", "ActionDispatch::Session::CookieStore", "ActionDispatch::Flash", "ActionDispatch::ParamsParser", "Rack::MethodOverride", "ActionDispatch::Head", "ActiveRecord::ConnectionAdapters::ConnectionManagement", "ActiveRecord::QueryCache" ], middleware end test "removing activerecord omits its middleware" do use_frameworks [] boot! assert !middleware.include?("ActiveRecord::ConnectionAdapters::ConnectionManagement") assert !middleware.include?("ActiveRecord::QueryCache") end test "removes lock if allow concurrency is set" do add_to_config "config.allow_concurrency = true" boot! assert !middleware.include?("Rack::Lock") end test "removes static asset server if serve_static_assets is disabled" do add_to_config "config.serve_static_assets = false" boot! assert !middleware.include?("ActionDispatch::Static") end test "use middleware" do use_frameworks [] add_to_config "config.middleware.use Rack::Config" boot! assert_equal "Rack::Config", middleware.last end test "insert middleware after" do add_to_config "config.middleware.insert_after ActionDispatch::Static, Rack::Config" boot! assert_equal "Rack::Config", middleware.second end test "insert middleware before" do add_to_config "config.middleware.insert_before ActionDispatch::Static, Rack::Config" boot! assert_equal "Rack::Config", middleware.first end test "shows cascade if any metal exists" do app_file "app/metal/foo.rb", "class Foo; end" boot! assert middleware.include?("ActionDispatch::Cascade") end private def boot! require "#{app_path}/config/environment" end def middleware AppTemplate::Application.middleware.active.map(&:klass).map(&:name) end end end