1 files changed, 15 insertions, 1 deletions
diff --git a/activerecord/test/models/topic.rb b/activerecord/test/models/topic.rb
index 2e386d7669..03430154db 100644
--- a/activerecord/test/models/topic.rb
+++ b/activerecord/test/models/topic.rb
@@ -24,7 +24,7 @@ class Topic < ActiveRecord::Base
   end
 
   scope "approved_as_string", -> { where(approved: true) }
-  scope :anonymous_extension, -> {} do
+  scope :anonymous_extension, -> { } do
     def one
       1
     end
@@ -81,6 +81,16 @@ class Topic < ActiveRecord::Base
     self.class.after_initialize_called = true
   end
 
+  attr_accessor :after_touch_called
+
+  after_initialize do
+    self.after_touch_called = 0
+  end
+
+  after_touch do
+    self.after_touch_called += 1
+  end
+
   def approved=(val)
     @custom_approved = val
     write_attribute(:approved, val)
@@ -128,6 +138,10 @@ class BlankTopic < Topic
   end
 end
 
+class TitlePrimaryKeyTopic < Topic
+  self.primary_key = :title
+end
+
 module Web
   class Topic < ActiveRecord::Base
     has_many :replies, dependent: :destroy, foreign_key: "parent_id", class_name: "Web::Reply"