Inherit Notification from parent class

CHANGELOG.md

@@ -1,5 +1,6 @@
 ### Unreleased
 
+* Inherit Notification from parent class Notification.
 * Support callbacks in bulk delivery methods.
 
 ### 2.4.3

app/models/concerns/noticed/notification_methods.rb

@@ -6,7 +6,7 @@ module NotificationMethods
       # Generate a Notification class each time a Notifier is defined
       def inherited(notifier)
         super
-        notifier.const_set :Notification, Class.new(Noticed::Notification)
+        notifier.const_set :Notification, Class.new(const_defined?(:Notification) ? const_get(:Notification) : Noticed::Notification)
       end
 
       def notification_methods(&block)

test/dummy/app/notifiers/application_notifier.rb

@@ -1,2 +1,6 @@
 class ApplicationNotifier < Noticed::Event
+  notification_methods do
+    def inherited_method
+    end
+  end
 end

test/notifier_test.rb

@@ -232,4 +232,8 @@ class RecipientsLambdaEphemeral < Noticed::Ephemeral
       end
     end
   end
+
+  test "inherits notification_methods from application notifier" do
+    assert SimpleNotifier::Notification.new.respond_to?(:inherited_method)
+  end
 end