2 files changed, 26 insertions, 0 deletions
diff --git a/activerecord/test/models/developer.rb b/activerecord/test/models/developer.rb
index 683cb54a10..81bc87bd42 100644
--- a/activerecord/test/models/developer.rb
+++ b/activerecord/test/models/developer.rb
@@ -101,6 +101,15 @@ class DeveloperWithIncludes < ActiveRecord::Base
   default_scope { includes(:audit_logs) }
 end
 
+class DeveloperFilteredOnJoins < ActiveRecord::Base
+  self.table_name = 'developers'
+  has_and_belongs_to_many :projects, -> { order('projects.id') }, :foreign_key => 'developer_id', :join_table => 'developers_projects'
+
+  def self.default_scope
+    joins(:projects).where(:projects => { :name => 'Active Controller' })
+  end
+end
+
 class DeveloperOrderedBySalary < ActiveRecord::Base
   self.table_name = 'developers'
   default_scope { order('salary DESC') }
diff --git a/activerecord/test/models/post.rb b/activerecord/test/models/post.rb
index c995f59a15..603f1f2555 100644
--- a/activerecord/test/models/post.rb
+++ b/activerecord/test/models/post.rb
@@ -5,6 +5,12 @@ class Post < ActiveRecord::Base
     end
   end
 
+  module NamedExtension2
+    def greeting
+      "hello"
+    end
+  end
+
   scope :containing_the_letter_a, -> { where("body LIKE '%a%'") }
   scope :ranked_by_comments,      -> { order("comments_count DESC") }
 
@@ -29,6 +35,9 @@ class Post < ActiveRecord::Base
   scope :with_very_special_comments, -> { joins(:comments).where(:comments => {:type => 'VerySpecialComment'}) }
   scope :with_post, ->(post_id) { joins(:comments).where(:comments => { :post_id => post_id }) }
 
+  scope :with_comments, -> { preload(:comments) }
+  scope :with_tags, -> { preload(:taggings) }
+
   has_many   :comments do
     def find_most_recent
       order("id DESC").first
@@ -43,6 +52,14 @@ class Post < ActiveRecord::Base
     end
   end
 
+  has_many :comments_with_extend, extend: NamedExtension, class_name: "Comment", foreign_key: "post_id" do
+    def greeting
+      "hello"
+    end
+  end
+
+  has_many :comments_with_extend_2, extend: [NamedExtension, NamedExtension2], class_name: "Comment", foreign_key: "post_id"
+
   has_many :author_favorites, :through => :author
   has_many :author_categorizations, :through => :author, :source => :categorizations
   has_many :author_addresses, :through => :author