13 files changed, 42 insertions, 5 deletions
diff --git a/activerecord/test/models/author.rb b/activerecord/test/models/author.rb
index 8949cf5826..3f34d09a04 100644
--- a/activerecord/test/models/author.rb
+++ b/activerecord/test/models/author.rb
@@ -44,6 +44,7 @@ class Author < ActiveRecord::Base
 
   has_many :special_posts
   has_many :special_post_comments, :through => :special_posts, :source => :comments
+  has_many :special_posts_with_default_scope, :class_name => 'SpecialPostWithDefaultScope'
 
   has_many :sti_posts, :class_name => 'StiPost'
   has_many :sti_post_comments, :through => :sti_posts, :source => :comments
diff --git a/activerecord/test/models/comment.rb b/activerecord/test/models/comment.rb
index 15970758db..b38b17e90e 100644
--- a/activerecord/test/models/comment.rb
+++ b/activerecord/test/models/comment.rb
@@ -9,6 +9,7 @@ class Comment < ActiveRecord::Base
   belongs_to :post, :counter_cache => true
   belongs_to :author,   polymorphic: true
   belongs_to :resource, polymorphic: true
+  belongs_to :developer
 
   has_many :ratings
 
@@ -51,3 +52,8 @@ class CommentThatAutomaticallyAltersPostBody < Comment
     comment.post.update_attributes(body: "Automatically altered")
   end
 end
+
+class CommentWithDefaultScopeReferencesAssociation < Comment
+  default_scope ->{ includes(:developer).order('developers.name').references(:developer) }
+  belongs_to :developer
+end
diff --git a/activerecord/test/models/company.rb b/activerecord/test/models/company.rb
index 76411ecb37..42f7fb4680 100644
--- a/activerecord/test/models/company.rb
+++ b/activerecord/test/models/company.rb
@@ -10,6 +10,7 @@ class Company < AbstractCompany
   has_one :dummy_account, :foreign_key => "firm_id", :class_name => "Account"
   has_many :contracts
   has_many :developers, :through => :contracts
+  has_many :accounts
 
   scope :of_first_firm, lambda {
     joins(:account => :firm).
diff --git a/activerecord/test/models/contact.rb b/activerecord/test/models/contact.rb
index a1cb8d62b6..3ea17c3abf 100644
--- a/activerecord/test/models/contact.rb
+++ b/activerecord/test/models/contact.rb
@@ -8,6 +8,7 @@ module ContactFakeColumns
         table_name => 'id'
       }
 
+      column :id,             :integer
       column :name,           :string
       column :age,            :integer
       column :avatar,         :binary
diff --git a/activerecord/test/models/developer.rb b/activerecord/test/models/developer.rb
index 5bd2f00129..3627cfdd09 100644
--- a/activerecord/test/models/developer.rb
+++ b/activerecord/test/models/developer.rb
@@ -46,6 +46,8 @@ class Developer < ActiveRecord::Base
   has_many :audit_logs
   has_many :contracts
   has_many :firms, :through => :contracts, :source => :firm
+  has_many :comments, ->(developer) { where(body: "I'm #{developer.name}") }
+  has_many :ratings, through: :comments
 
   scope :jamises, -> { where(:name => 'Jamis') }
 
diff --git a/activerecord/test/models/face.rb b/activerecord/test/models/face.rb
index 3d7f0626e2..91e46f83e5 100644
--- a/activerecord/test/models/face.rb
+++ b/activerecord/test/models/face.rb
@@ -1,7 +1,8 @@
 class Face < ActiveRecord::Base
   belongs_to :man, :inverse_of => :face
   belongs_to :polymorphic_man, :polymorphic => true, :inverse_of => :polymorphic_face
-  belongs_to :polymorphic_man_without_inverse, :polymorphic => true
+  # Oracle identifier lengh is limited to 30 bytes or less, `polymorphic` renamed `poly`
+  belongs_to :poly_man_without_inverse, :polymorphic => true
   # These is a "broken" inverse_of for the purposes of testing
   belongs_to :horrible_man, :class_name => 'Man', :inverse_of => :horrible_face
   belongs_to :horrible_polymorphic_man, :polymorphic => true, :inverse_of => :horrible_polymorphic_face
diff --git a/activerecord/test/models/man.rb b/activerecord/test/models/man.rb
index a26491ce61..4fbb6b226b 100644
--- a/activerecord/test/models/man.rb
+++ b/activerecord/test/models/man.rb
@@ -1,7 +1,7 @@
 class Man < ActiveRecord::Base
   has_one :face, :inverse_of => :man
   has_one :polymorphic_face, :class_name => 'Face', :as => :polymorphic_man, :inverse_of => :polymorphic_man
-  has_one :polymorphic_face_without_inverse, :class_name => 'Face', :as => :polymorphic_man_without_inverse
+  has_one :polymorphic_face_without_inverse, :class_name => 'Face', :as => :poly_man_without_inverse
   has_many :interests, :inverse_of => :man
   has_many :polymorphic_interests, :class_name => 'Interest', :as => :polymorphic_man, :inverse_of => :polymorphic_man
   # These are "broken" inverse_of associations for the purposes of testing
diff --git a/activerecord/test/models/member.rb b/activerecord/test/models/member.rb
index 72095f9236..dc0566d8a7 100644
--- a/activerecord/test/models/member.rb
+++ b/activerecord/test/models/member.rb
@@ -27,6 +27,9 @@ class Member < ActiveRecord::Base
   has_many :clubs, :through => :current_memberships
 
   has_one :club_through_many, :through => :current_memberships, :source => :club
+
+  belongs_to :admittable, polymorphic: true
+  has_one :premium_club, through: :admittable
 end
 
 class SelfMember < ActiveRecord::Base
diff --git a/activerecord/test/models/parrot.rb b/activerecord/test/models/parrot.rb
index e76e83f314..8c83de573f 100644
--- a/activerecord/test/models/parrot.rb
+++ b/activerecord/test/models/parrot.rb
@@ -19,7 +19,7 @@ class LiveParrot < Parrot
 end
 
 class DeadParrot < Parrot
-  belongs_to :killer, :class_name => 'Pirate'
+  belongs_to :killer, :class_name => 'Pirate', foreign_key: :killer_id
 end
 
 class FunkyParrot < Parrot
diff --git a/activerecord/test/models/person.rb b/activerecord/test/models/person.rb
index c7e54e7b63..ad12f00d42 100644
--- a/activerecord/test/models/person.rb
+++ b/activerecord/test/models/person.rb
@@ -30,6 +30,8 @@ class Person < ActiveRecord::Base
   has_many :agents_of_agents, :through => :agents, :source => :agents
   belongs_to :number1_fan, :class_name => 'Person'
 
+  has_many :personal_legacy_things, :dependent => :destroy
+
   has_many :agents_posts,         :through => :agents,       :source => :posts
   has_many :agents_posts_authors, :through => :agents_posts, :source => :author
   has_many :essays, primary_key: "first_name", foreign_key: "writer_id"
diff --git a/activerecord/test/models/personal_legacy_thing.rb b/activerecord/test/models/personal_legacy_thing.rb
new file mode 100644
index 0000000000..a7ee3a0bca
--- /dev/null
+++ b/activerecord/test/models/personal_legacy_thing.rb
@@ -0,0 +1,4 @@
+class PersonalLegacyThing < ActiveRecord::Base
+  self.locking_column = :version
+  belongs_to :person, :counter_cache => true
+end
diff --git a/activerecord/test/models/post.rb b/activerecord/test/models/post.rb
index 5f01ab0a82..67027cbc22 100644
--- a/activerecord/test/models/post.rb
+++ b/activerecord/test/models/post.rb
@@ -41,6 +41,7 @@ class Post < ActiveRecord::Base
   scope :with_tags, -> { preload(:taggings) }
 
   scope :tagged_with, ->(id) { joins(:taggings).where(taggings: { tag_id: id }) }
+  scope :tagged_with_comment, ->(comment) { joins(:taggings).where(taggings: { comment: comment }) }
 
   has_many   :comments do
     def find_most_recent
@@ -88,7 +89,7 @@ class Post < ActiveRecord::Base
   has_and_belongs_to_many :categories
   has_and_belongs_to_many :special_categories, :join_table => "categories_posts", :association_foreign_key => 'category_id'
 
-  has_many :taggings, :as => :taggable
+  has_many :taggings, :as => :taggable, :counter_cache => :tags_count
   has_many :tags, :through => :taggings do
     def add_joins_and_select
       select('tags.*, authors.id as author_id')
@@ -217,3 +218,18 @@ class PostThatLoadsCommentsInAnAfterSaveHook < ActiveRecord::Base
     post.comments.load
   end
 end
+
+class PostWithAfterCreateCallback < ActiveRecord::Base
+  self.table_name = 'posts'
+  has_many :comments, foreign_key: :post_id
+
+  after_create do |post|
+    update_attribute(:author_id, comments.first.id)
+  end
+end
+
+class PostWithCommentWithDefaultScopeReferencesAssociation < ActiveRecord::Base
+  self.table_name = 'posts'
+  has_many :comment_with_default_scope_references_associations, foreign_key: :post_id
+  has_one :first_comment, class_name: "CommentWithDefaultScopeReferencesAssociation", foreign_key: :post_id
+end
diff --git a/activerecord/test/models/tagging.rb b/activerecord/test/models/tagging.rb
index f91f2ad2e9..a6c05da26a 100644
--- a/activerecord/test/models/tagging.rb
+++ b/activerecord/test/models/tagging.rb
@@ -8,6 +8,6 @@ class Tagging < ActiveRecord::Base
   belongs_to :invalid_tag, :class_name => 'Tag', :foreign_key => 'tag_id'
   belongs_to :blue_tag, -> { where :tags => { :name => 'Blue' } }, :class_name => 'Tag', :foreign_key => :tag_id
   belongs_to :tag_with_primary_key, :class_name => 'Tag', :foreign_key => :tag_id, :primary_key => :custom_primary_key
-  belongs_to :taggable, :polymorphic => true, :counter_cache => true
+  belongs_to :taggable, :polymorphic => true, :counter_cache => :tags_count
   has_many :things, :through => :taggable
 end