require "abstract_unit" require "active_support/testing/autorun" require "active_support/test_case" require "rails/rack/logger" require "logger" module Rails module Rack class LoggerTest < ActiveSupport::TestCase class TestLogger < Rails::Rack::Logger NULL = ::Logger.new File::NULL attr_reader :logger def initialize(logger = NULL, taggers = nil, &block) super(->(_) { block.call; [200, {}, []] }, taggers) @logger = logger end def development?; false; end end class Subscriber < Struct.new(:starts, :finishes) def initialize(starts = [], finishes = []) super end def start(name, id, payload) starts << [name, id, payload] end def finish(name, id, payload) finishes << [name, id, payload] end end attr_reader :subscriber, :notifier def setup @subscriber = Subscriber.new @notifier = ActiveSupport::Notifications.notifier @subscription = notifier.subscribe "request.action_dispatch", subscriber end def teardown notifier.unsubscribe @subscription end def test_notification logger = TestLogger.new { } assert_difference("subscriber.starts.length") do assert_difference("subscriber.finishes.length") do logger.call("REQUEST_METHOD" => "GET").last.close end end end def test_notification_on_raise logger = TestLogger.new do # using an exception class that is not a StandardError subclass on purpose raise NotImplementedError end assert_difference("subscriber.starts.length") do assert_difference("subscriber.finishes.length") do assert_raises(NotImplementedError) do logger.call "REQUEST_METHOD" => "GET" end end end end end end end