Class Notifications::TestCase < ActiveSupport::TestCase

   # File activesupport/test/notifications_test.rb
 8 def setup
 9   @old_notifier = ActiveSupport::Notifications.notifier
10   @notifier = ActiveSupport::Notifications::Fanout.new
11   ActiveSupport::Notifications.notifier = @notifier
12   @events = []
13   @named_events = []
14   @subscription = @notifier.subscribe { |*args| @events << event(*args) }
15   @named_subscription = @notifier.subscribe("named.subscription") { |*args| @named_events << event(*args) }
16 end

   # File activesupport/test/notifications_test.rb
18 def teardown
19   ActiveSupport::Notifications.notifier = @old_notifier
20 end