Merge commit 'mainstream/master'

16 files changed, 371 insertions, 255 deletions

diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb
index f7178f2c5e..b193f8d8ba 100644
--- a/activerecord/test/cases/associations/has_many_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_associations_test.rb
@@ -813,7 +813,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
     firm = companies(:first_firm)
     clients = firm.clients
     assert_equal 2, clients.length
-    clients.last.instance_eval { def before_destroy() raise "Trigger rollback" end }
+    clients.last.instance_eval { def overwrite_to_raise() raise "Trigger rollback" end }
 
     firm.destroy rescue "do nothing"
 
diff --git a/activerecord/test/cases/associations/has_one_associations_test.rb b/activerecord/test/cases/associations/has_one_associations_test.rb
index 7140de77ea..cdac86a3b9 100644
--- a/activerecord/test/cases/associations/has_one_associations_test.rb
+++ b/activerecord/test/cases/associations/has_one_associations_test.rb
@@ -36,6 +36,15 @@ class HasOneAssociationsTest < ActiveRecord::TestCase
     assert_equal accounts(:rails_core_account), firm.account_using_primary_key
   end
 
+  def test_update_with_foreign_and_primary_keys
+    firm = companies(:first_firm)
+    account = firm.account_using_foreign_and_primary_keys
+    assert_equal Account.find_by_firm_name(firm.name), account
+    firm.save
+    firm.reload
+    assert_equal account, firm.account_using_foreign_and_primary_keys
+  end
+
   def test_can_marshal_has_one_association_with_nil_target
     firm = Firm.new
     assert_nothing_raised do
diff --git a/activerecord/test/cases/autosave_association_test.rb b/activerecord/test/cases/autosave_association_test.rb
index 271086af8e..9164701601 100644
--- a/activerecord/test/cases/autosave_association_test.rb
+++ b/activerecord/test/cases/autosave_association_test.rb
@@ -443,6 +443,70 @@ class TestDefaultAutosaveAssociationOnAHasManyAssociation < ActiveRecord::TestCa
   end
 end
 
+class TestDefaultAutosaveAssociationOnNewRecord < ActiveRecord::TestCase
+  def test_autosave_new_record_on_belongs_to_can_be_disabled_per_relationship
+    new_account = Account.new("credit_limit" => 1000)
+    new_firm = Firm.new("name" => "some firm")
+
+    assert new_firm.new_record?
+    new_account.firm = new_firm
+    new_account.save!
+
+    assert !new_firm.new_record?
+
+    new_account = Account.new("credit_limit" => 1000)
+    new_autosaved_firm = Firm.new("name" => "some firm")
+
+    assert new_autosaved_firm.new_record?
+    new_account.unautosaved_firm = new_autosaved_firm
+    new_account.save!
+
+    assert new_autosaved_firm.new_record?
+  end
+
+  def test_autosave_new_record_on_has_one_can_be_disabled_per_relationship
+    firm = Firm.new("name" => "some firm")
+    account = Account.new("credit_limit" => 1000)
+
+    assert account.new_record?
+    firm.account = account
+    firm.save!
+
+    assert !account.new_record?
+
+    firm = Firm.new("name" => "some firm")
+    account = Account.new("credit_limit" => 1000)
+
+    firm.unautosaved_account = account
+
+    assert account.new_record?
+    firm.unautosaved_account = account
+    firm.save!
+
+    assert account.new_record?
+  end
+
+  def test_autosave_new_record_on_has_many_can_be_disabled_per_relationship
+    firm = Firm.new("name" => "some firm")
+    account = Account.new("credit_limit" => 1000)
+
+    assert account.new_record?
+    firm.accounts << account
+
+    firm.save!
+    assert !account.new_record?
+
+    firm = Firm.new("name" => "some firm")
+    account = Account.new("credit_limit" => 1000)
+
+    assert account.new_record?
+    firm.unautosaved_accounts << account
+
+    firm.save!
+    assert account.new_record?
+  end
+end
+
 class TestDestroyAsPartOfAutosaveAssociation < ActiveRecord::TestCase
   self.use_transactional_fixtures = false
 
@@ -480,9 +544,17 @@ class TestDestroyAsPartOfAutosaveAssociation < ActiveRecord::TestCase
     assert !@pirate.valid?
 
     @pirate.ship.mark_for_destruction
+    @pirate.ship.expects(:valid?).never
     assert_difference('Ship.count', -1) { @pirate.save! }
   end
 
+  def test_a_child_marked_for_destruction_should_not_be_destroyed_twice
+    @pirate.ship.mark_for_destruction
+    assert @pirate.save
+    @pirate.ship.expects(:destroy).never
+    assert @pirate.save
+  end
+
   def test_should_rollback_destructions_if_an_exception_occurred_while_saving_a_child
     # Stub the save method of the @pirate.ship instance to destroy and then raise an exception
     class << @pirate.ship
@@ -517,9 +589,17 @@ class TestDestroyAsPartOfAutosaveAssociation < ActiveRecord::TestCase
     assert !@ship.valid?
 
     @ship.pirate.mark_for_destruction
+    @ship.pirate.expects(:valid?).never
     assert_difference('Pirate.count', -1) { @ship.save! }
   end
 
+  def test_a_parent_marked_for_destruction_should_not_be_destroyed_twice
+    @ship.pirate.mark_for_destruction
+    assert @ship.save
+    @ship.pirate.expects(:destroy).never
+    assert @ship.save
+  end
+
   def test_should_rollback_destructions_if_an_exception_occurred_while_saving_a_parent
     # Stub the save method of the @ship.pirate instance to destroy and then raise an exception
     class << @ship.pirate
@@ -560,9 +640,33 @@ class TestDestroyAsPartOfAutosaveAssociation < ActiveRecord::TestCase
       children.each { |child| child.name = '' }
       assert !@pirate.valid?
 
-      children.each { |child| child.mark_for_destruction }
+      children.each do |child|
+        child.mark_for_destruction
+        child.expects(:valid?).never
+      end
       assert_difference("#{association_name.classify}.count", -2) { @pirate.save! }
     end
+    
+    define_method("test_should_skip_validation_on_the_#{association_name}_association_if_destroyed") do
+      @pirate.send(association_name).create!(:name => "#{association_name}_1")
+      children = @pirate.send(association_name)
+
+      children.each { |child| child.name = '' }
+      assert !@pirate.valid?
+
+      children.each { |child| child.destroy }
+      assert @pirate.valid?
+    end
+
+    define_method("test_a_child_marked_for_destruction_should_not_be_destroyed_twice_while_saving_#{association_name}") do
+      @pirate.send(association_name).create!(:name => "#{association_name}_1")
+      children = @pirate.send(association_name)
+
+      children.each { |child| child.mark_for_destruction }
+      assert @pirate.save
+      children.each { |child| child.expects(:destroy).never }
+      assert @pirate.save
+    end
 
     define_method("test_should_rollback_destructions_if_an_exception_occurred_while_saving_#{association_name}") do
       2.times { |i| @pirate.send(association_name).create!(:name => "#{association_name}_#{i}") }
@@ -952,3 +1056,118 @@ class TestAutosaveAssociationOnAHasAndBelongsToManyAssociation < ActiveRecord::T
 
   include AutosaveAssociationOnACollectionAssociationTests
 end
+
+class TestAutosaveAssociationValidationsOnAHasManyAssocication < ActiveRecord::TestCase
+  self.use_transactional_fixtures = false
+
+  def setup
+    @pirate = Pirate.create(:catchphrase => "Don' botharrr talkin' like one, savvy?")
+    @pirate.birds.create(:name => 'cookoo')
+  end
+
+  test "should automatically validate associations" do
+    assert @pirate.valid?
+    @pirate.birds.each { |bird| bird.name = '' }
+
+    assert !@pirate.valid?
+  end
+end
+
+class TestAutosaveAssociationValidationsOnAHasOneAssocication < ActiveRecord::TestCase
+  self.use_transactional_fixtures = false
+
+  def setup
+    @pirate = Pirate.create(:catchphrase => "Don' botharrr talkin' like one, savvy?")
+    @pirate.create_ship(:name => 'titanic')
+  end
+
+  test "should automatically validate associations with :validate => true" do
+    assert @pirate.valid?
+    @pirate.ship.name = ''
+    assert !@pirate.valid?
+  end
+
+  test "should not automatically validate associations without :validate => true" do
+    assert @pirate.valid?
+    @pirate.non_validated_ship.name = ''
+    assert @pirate.valid?
+  end
+end
+
+class TestAutosaveAssociationValidationsOnABelongsToAssocication < ActiveRecord::TestCase
+  self.use_transactional_fixtures = false
+
+  def setup
+    @pirate = Pirate.create(:catchphrase => "Don' botharrr talkin' like one, savvy?")
+  end
+
+  test "should automatically validate associations with :validate => true" do
+    assert @pirate.valid?
+    @pirate.parrot = Parrot.new(:name => '')
+    assert !@pirate.valid?
+  end
+
+  test "should not automatically validate associations without :validate => true" do
+    assert @pirate.valid?
+    @pirate.non_validated_parrot = Parrot.new(:name => '')
+    assert @pirate.valid?
+  end
+end
+
+class TestAutosaveAssociationValidationsOnAHABTMAssocication < ActiveRecord::TestCase
+  self.use_transactional_fixtures = false
+
+  def setup
+    @pirate = Pirate.create(:catchphrase => "Don' botharrr talkin' like one, savvy?")
+  end
+
+  test "should automatically validate associations with :validate => true" do
+    assert @pirate.valid?
+    @pirate.parrots = [ Parrot.new(:name => 'popuga') ]
+    @pirate.parrots.each { |parrot| parrot.name = '' }
+    assert !@pirate.valid?
+  end
+
+  test "should not automatically validate associations without :validate => true" do
+    assert @pirate.valid?
+    @pirate.non_validated_parrots = [ Parrot.new(:name => 'popuga') ]
+    @pirate.non_validated_parrots.each { |parrot| parrot.name = '' }
+    assert @pirate.valid?
+  end
+end
+
+class TestAutosaveAssociationValidationMethodsGeneration < ActiveRecord::TestCase
+  self.use_transactional_fixtures = false
+
+  def setup
+    @pirate = Pirate.new
+  end
+
+  test "should generate validation methods for has_many associations" do
+    assert @pirate.respond_to?(:validate_associated_records_for_birds)
+  end
+
+  test "should generate validation methods for has_one associations with :validate => true" do
+    assert @pirate.respond_to?(:validate_associated_records_for_ship)
+  end
+
+  test "should not generate validation methods for has_one associations without :validate => true" do
+    assert !@pirate.respond_to?(:validate_associated_records_for_non_validated_ship)
+  end
+
+  test "should generate validation methods for belongs_to associations with :validate => true" do
+    assert @pirate.respond_to?(:validate_associated_records_for_parrot)
+  end
+
+  test "should not generate validation methods for belongs_to associations without :validate => true" do
+    assert !@pirate.respond_to?(:validate_associated_records_for_non_validated_parrot)
+  end
+
+  test "should generate validation methods for HABTM associations with :validate => true" do
+    assert @pirate.respond_to?(:validate_associated_records_for_parrots)
+  end
+
+  test "should not generate validation methods for HABTM associations without :validate => true" do
+    assert !@pirate.respond_to?(:validate_associated_records_for_non_validated_parrots)
+  end
+end
diff --git a/activerecord/test/cases/callbacks_observers_test.rb b/activerecord/test/cases/callbacks_observers_test.rb
index 87de524923..52ce384844 100644
--- a/activerecord/test/cases/callbacks_observers_test.rb
+++ b/activerecord/test/cases/callbacks_observers_test.rb
@@ -5,7 +5,7 @@ class Comment < ActiveRecord::Base
 
   before_validation :record_callers
 
-  def after_validation
+  after_validation do
     record_callers
   end
 
@@ -32,7 +32,6 @@ class CallbacksObserversTest < ActiveRecord::TestCase
     CommentObserver.instance.callers = callers
 
     comment.valid?
-
     assert_equal [Comment, Comment, CommentObserver], callers, "model callbacks did not fire before observers were notified"
   end
 end
diff --git a/activerecord/test/cases/callbacks_test.rb b/activerecord/test/cases/callbacks_test.rb
index 95fddaeef6..5a084a611e 100644
--- a/activerecord/test/cases/callbacks_test.rb
+++ b/activerecord/test/cases/callbacks_test.rb
@@ -13,8 +13,8 @@ class CallbackDeveloper < ActiveRecord::Base
     end
 
     def define_callback_method(callback_method)
-      define_method("#{callback_method}_method") do |model|
-        model.history << [callback_method, :method]
+      define_method(callback_method) do
+        self.history << [callback_method, :method]
       end
     end
 
@@ -27,26 +27,20 @@ class CallbackDeveloper < ActiveRecord::Base
     end
   end
 
-  ActiveRecord::Callbacks::CALLBACKS.each do |callback_method|
-    callback_method_sym = callback_method.to_sym
-    define_callback_method(callback_method_sym)
-    send(callback_method, callback_method_sym)
-    send(callback_method, callback_string(callback_method_sym))
-    send(callback_method, callback_proc(callback_method_sym))
-    send(callback_method, callback_object(callback_method_sym))
-    send(callback_method) { |model| model.history << [callback_method_sym, :block] }
+  ActiveSupport::Deprecation.silence do
+    ActiveRecord::Callbacks::CALLBACKS.each do |callback_method|
+      next if callback_method.to_s =~ /^around_/
+      define_callback_method(callback_method)
+      send(callback_method, callback_string(callback_method))
+      send(callback_method, callback_proc(callback_method))
+      send(callback_method, callback_object(callback_method))
+      send(callback_method) { |model| model.history << [callback_method, :block] }
+    end
   end
 
   def history
     @history ||= []
   end
-
-  # after_initialize and after_find are invoked only if instance methods have been defined.
-  def after_initialize
-  end
-
-  def after_find
-  end
 end
 
 class ParentDeveloper < ActiveRecord::Base
@@ -108,12 +102,12 @@ class ImmutableMethodDeveloper < ActiveRecord::Base
     @cancelled == true
   end
 
-  def before_save
+  before_save do
     @cancelled = true
     false
   end
 
-  def before_destroy
+  before_destroy do
     @cancelled = true
     false
   end
@@ -125,15 +119,15 @@ class CallbackCancellationDeveloper < ActiveRecord::Base
   attr_reader   :after_save_called, :after_create_called, :after_update_called, :after_destroy_called
   attr_accessor :cancel_before_save, :cancel_before_create, :cancel_before_update, :cancel_before_destroy
 
-  def before_save;    !@cancel_before_save;    end
-  def before_create;  !@cancel_before_create;  end
-  def before_update;  !@cancel_before_update;  end
-  def before_destroy; !@cancel_before_destroy; end
+  before_save    { !@cancel_before_save    }
+  before_create  { !@cancel_before_create  }
+  before_update  { !@cancel_before_update  }
+  before_destroy { !@cancel_before_destroy }
 
-  def after_save;      @after_save_called    = true; end
-  def after_update;    @after_update_called  = true; end
-  def after_create;    @after_create_called  = true; end
-  def after_destroy;   @after_destroy_called = true; end
+  after_save    { @after_save_called    = true }
+  after_update  { @after_update_called  = true }
+  after_create  { @after_create_called  = true }
+  after_destroy { @after_destroy_called = true }
 end
 
 class CallbacksTest < ActiveRecord::TestCase
@@ -142,6 +136,7 @@ class CallbacksTest < ActiveRecord::TestCase
   def test_initialize
     david = CallbackDeveloper.new
     assert_equal [
+      [ :after_initialize,            :method ],
       [ :after_initialize,            :string ],
       [ :after_initialize,            :proc   ],
       [ :after_initialize,            :object ],
@@ -152,10 +147,12 @@ class CallbacksTest < ActiveRecord::TestCase
   def test_find
     david = CallbackDeveloper.find(1)
     assert_equal [
+      [ :after_find,            :method ],
       [ :after_find,            :string ],
       [ :after_find,            :proc   ],
       [ :after_find,            :object ],
       [ :after_find,            :block  ],
+      [ :after_initialize,            :method ],
       [ :after_initialize,            :string ],
       [ :after_initialize,            :proc   ],
       [ :after_initialize,            :object ],
@@ -167,26 +164,21 @@ class CallbacksTest < ActiveRecord::TestCase
     david = CallbackDeveloper.new
     david.valid?
     assert_equal [
+      [ :after_initialize,            :method ],
       [ :after_initialize,            :string ],
       [ :after_initialize,            :proc   ],
       [ :after_initialize,            :object ],
       [ :after_initialize,            :block  ],
+      [ :before_validation,           :method ],
       [ :before_validation,           :string ],
       [ :before_validation,           :proc   ],
       [ :before_validation,           :object ],
       [ :before_validation,           :block  ],
-      [ :before_validation_on_create, :string ],
-      [ :before_validation_on_create, :proc   ],
-      [ :before_validation_on_create, :object ],
-      [ :before_validation_on_create, :block  ],
+      [ :after_validation,            :method ],
       [ :after_validation,            :string ],
       [ :after_validation,            :proc   ],
       [ :after_validation,            :object ],
       [ :after_validation,            :block  ],
-      [ :after_validation_on_create,  :string ],
-      [ :after_validation_on_create,  :proc   ],
-      [ :after_validation_on_create,  :object ],
-      [ :after_validation_on_create,  :block  ]
     ], david.history
   end
 
@@ -194,68 +186,63 @@ class CallbacksTest < ActiveRecord::TestCase
     david = CallbackDeveloper.find(1)
     david.valid?
     assert_equal [
+      [ :after_find,            :method ],
       [ :after_find,            :string ],
       [ :after_find,            :proc   ],
       [ :after_find,            :object ],
       [ :after_find,            :block  ],
+      [ :after_initialize,            :method ],
       [ :after_initialize,            :string ],
       [ :after_initialize,            :proc   ],
       [ :after_initialize,            :object ],
       [ :after_initialize,            :block  ],
+      [ :before_validation,           :method ],
       [ :before_validation,           :string ],
       [ :before_validation,           :proc   ],
       [ :before_validation,           :object ],
       [ :before_validation,           :block  ],
-      [ :before_validation_on_update, :string ],
-      [ :before_validation_on_update, :proc   ],
-      [ :before_validation_on_update, :object ],
-      [ :before_validation_on_update, :block  ],
+      [ :after_validation,            :method ],
       [ :after_validation,            :string ],
       [ :after_validation,            :proc   ],
       [ :after_validation,            :object ],
       [ :after_validation,            :block  ],
-      [ :after_validation_on_update,  :string ],
-      [ :after_validation_on_update,  :proc   ],
-      [ :after_validation_on_update,  :object ],
-      [ :after_validation_on_update,  :block  ]
     ], david.history
   end
 
   def test_create
     david = CallbackDeveloper.create('name' => 'David', 'salary' => 1000000)
     assert_equal [
+      [ :after_initialize,            :method ],
       [ :after_initialize,            :string ],
       [ :after_initialize,            :proc   ],
       [ :after_initialize,            :object ],
       [ :after_initialize,            :block  ],
+      [ :before_validation,           :method ],
       [ :before_validation,           :string ],
       [ :before_validation,           :proc   ],
       [ :before_validation,           :object ],
       [ :before_validation,           :block  ],
-      [ :before_validation_on_create, :string ],
-      [ :before_validation_on_create, :proc   ],
-      [ :before_validation_on_create, :object ],
-      [ :before_validation_on_create, :block  ],
+      [ :after_validation,            :method ],
       [ :after_validation,            :string ],
       [ :after_validation,            :proc   ],
       [ :after_validation,            :object ],
       [ :after_validation,            :block  ],
-      [ :after_validation_on_create,  :string ],
-      [ :after_validation_on_create,  :proc   ],
-      [ :after_validation_on_create,  :object ],
-      [ :after_validation_on_create,  :block  ],
+      [ :before_save,                 :method ],
       [ :before_save,                 :string ],
       [ :before_save,                 :proc   ],
       [ :before_save,                 :object ],
       [ :before_save,                 :block  ],
+      [ :before_create,               :method ],
       [ :before_create,               :string ],
       [ :before_create,               :proc   ],
       [ :before_create,               :object ],
       [ :before_create,               :block  ],
+      [ :after_create,                :method ],
       [ :after_create,                :string ],
       [ :after_create,                :proc   ],
       [ :after_create,                :object ],
       [ :after_create,                :block  ],
+      [ :after_save,                  :method ],
       [ :after_save,                  :string ],
       [ :after_save,                  :proc   ],
       [ :after_save,                  :object ],
@@ -267,42 +254,42 @@ class CallbacksTest < ActiveRecord::TestCase
     david = CallbackDeveloper.find(1)
     david.save
     assert_equal [
+      [ :after_find,            :method ],
       [ :after_find,            :string ],
       [ :after_find,            :proc   ],
       [ :after_find,            :object ],
       [ :after_find,            :block  ],
+      [ :after_initialize,            :method ],
       [ :after_initialize,            :string ],
       [ :after_initialize,            :proc   ],
       [ :after_initialize,            :object ],
       [ :after_initialize,            :block  ],
+      [ :before_validation,           :method ],
       [ :before_validation,           :string ],
       [ :before_validation,           :proc   ],
       [ :before_validation,           :object ],
       [ :before_validation,           :block  ],
-      [ :before_validation_on_update, :string ],
-      [ :before_validation_on_update, :proc   ],
-      [ :before_validation_on_update, :object ],
-      [ :before_validation_on_update, :block  ],
+      [ :after_validation,            :method ],
       [ :after_validation,            :string ],
       [ :after_validation,            :proc   ],
       [ :after_validation,            :object ],
       [ :after_validation,            :block  ],
-      [ :after_validation_on_update,  :string ],
-      [ :after_validation_on_update,  :proc   ],
-      [ :after_validation_on_update,  :object ],
-      [ :after_validation_on_update,  :block  ],
+      [ :before_save,                 :method ],
       [ :before_save,                 :string ],
       [ :before_save,                 :proc   ],
       [ :before_save,                 :object ],
       [ :before_save,                 :block  ],
+      [ :before_update,               :method ],
       [ :before_update,               :string ],
       [ :before_update,               :proc   ],
       [ :before_update,               :object ],
       [ :before_update,               :block  ],
+      [ :after_update,                :method ],
       [ :after_update,                :string ],
       [ :after_update,                :proc   ],
       [ :after_update,                :object ],
       [ :after_update,                :block  ],
+      [ :after_save,                  :method ],
       [ :after_save,                  :string ],
       [ :after_save,                  :proc   ],
       [ :after_save,                  :object ],
@@ -314,18 +301,22 @@ class CallbacksTest < ActiveRecord::TestCase
     david = CallbackDeveloper.find(1)
     david.destroy
     assert_equal [
+      [ :after_find,            :method ],
       [ :after_find,            :string ],
       [ :after_find,            :proc   ],
       [ :after_find,            :object ],
       [ :after_find,            :block  ],
+      [ :after_initialize,            :method ],
       [ :after_initialize,            :string ],
       [ :after_initialize,            :proc   ],
       [ :after_initialize,            :object ],
       [ :after_initialize,            :block  ],
+      [ :before_destroy,              :method ],
       [ :before_destroy,              :string ],
       [ :before_destroy,              :proc   ],
       [ :before_destroy,              :object ],
       [ :before_destroy,              :block  ],
+      [ :after_destroy,               :method ],
       [ :after_destroy,               :string ],
       [ :after_destroy,               :proc   ],
       [ :after_destroy,               :object ],
@@ -337,10 +328,12 @@ class CallbacksTest < ActiveRecord::TestCase
     david = CallbackDeveloper.find(1)
     CallbackDeveloper.delete(david.id)
     assert_equal [
+      [ :after_find,            :method ],
       [ :after_find,            :string ],
       [ :after_find,            :proc   ],
       [ :after_find,            :object ],
       [ :after_find,            :block  ],
+      [ :after_initialize,            :method ],
       [ :after_initialize,            :string ],
       [ :after_initialize,            :proc   ],
       [ :after_initialize,            :object ],
@@ -407,14 +400,17 @@ class CallbacksTest < ActiveRecord::TestCase
     CallbackDeveloper.before_validation proc { |model| model.history << [:before_validation, :should_never_get_here] }
     david.save
     assert_equal [
+      [ :after_find,            :method ],
       [ :after_find,            :string ],
       [ :after_find,            :proc   ],
       [ :after_find,            :object ],
       [ :after_find,            :block  ],
+      [ :after_initialize,            :method ],
       [ :after_initialize,            :string ],
       [ :after_initialize,            :proc   ],
       [ :after_initialize,            :object ],
       [ :after_initialize,            :block  ],
+      [ :before_validation,           :method ],
       [ :before_validation,           :string ],
       [ :before_validation,           :proc   ],
       [ :before_validation,           :object ],
diff --git a/activerecord/test/cases/class_inheritable_attributes_test.rb b/activerecord/test/cases/class_inheritable_attributes_test.rb
deleted file mode 100644
index abeb63c591..0000000000
--- a/activerecord/test/cases/class_inheritable_attributes_test.rb
+++ /dev/null
@@ -1,32 +0,0 @@
-require 'test/unit'
-require "cases/helper"
-require 'active_support/core_ext/class/inheritable_attributes'
-
-class A
-  include ClassInheritableAttributes
-end
-
-class B < A
-  write_inheritable_array "first", [ :one, :two ]
-end
-
-class C < A
-  write_inheritable_array "first", [ :three ]
-end
-
-class D < B
-  write_inheritable_array "first", [ :four ]
-end
-
-
-class ClassInheritableAttributesTest < ActiveRecord::TestCase
-  def test_first_level
-    assert_equal [ :one, :two ], B.read_inheritable_attribute("first")
-    assert_equal [ :three ], C.read_inheritable_attribute("first")
-  end
-
-  def test_second_level
-    assert_equal [ :one, :two, :four ], D.read_inheritable_attribute("first")
-    assert_equal [ :one, :two ], B.read_inheritable_attribute("first")
-  end
-end
diff --git a/activerecord/test/cases/connection_test_mysql.rb b/activerecord/test/cases/connection_test_mysql.rb
index f79ee2f1f7..8e4842a1b6 100644
--- a/activerecord/test/cases/connection_test_mysql.rb
+++ b/activerecord/test/cases/connection_test_mysql.rb
@@ -41,6 +41,14 @@ class MysqlConnectionTest < ActiveRecord::TestCase
     sleep 2
     @connection.verify!
     assert @connection.active?
+ end
+
+  # Test that MySQL allows multiple results for stored procedures
+  if Mysql.const_defined?(:CLIENT_MULTI_RESULTS)
+    def test_multi_results
+      rows = ActiveRecord::Base.connection.select_rows('CALL ten();')
+      assert_equal 10, rows[0][0].to_i, "ten() did not return 10 as expected: #{rows.inspect}"
+    end
   end
 
   private
diff --git a/activerecord/test/cases/helper.rb b/activerecord/test/cases/helper.rb
index d1e7caed89..aa09c7061f 100644
--- a/activerecord/test/cases/helper.rb
+++ b/activerecord/test/cases/helper.rb
@@ -12,8 +12,6 @@ require 'active_record/test_case'
 require 'active_record/fixtures'
 require 'connection'
 
-require 'cases/repair_helper'
-
 begin
   require 'ruby-debug'
 rescue LoadError
diff --git a/activerecord/test/cases/lifecycle_test.rb b/activerecord/test/cases/lifecycle_test.rb
index 54fb3d8c39..aa7ce2ecb6 100644
--- a/activerecord/test/cases/lifecycle_test.rb
+++ b/activerecord/test/cases/lifecycle_test.rb
@@ -1,11 +1,9 @@
-require "cases/helper"
+require 'cases/helper'
 require 'models/topic'
 require 'models/developer'
 require 'models/reply'
 require 'models/minimalistic'
 
-class Topic; def after_find() end end
-class Developer; def after_find() end end
 class SpecialDeveloper < Developer; end
 
 class TopicManualObserver
@@ -43,6 +41,11 @@ class TopicObserver < ActiveRecord::Observer
   def after_find(topic)
     @topic = topic
   end
+
+  # Create an after_save callback, so a notify_observer hook is created
+  # on :topic.
+  def after_save(nothing)
+  end
 end
 
 class MinimalisticObserver < ActiveRecord::Observer
@@ -159,34 +162,6 @@ class LifecycleTest < ActiveRecord::TestCase
     assert_equal topic, observer.topic
   end
 
-  def test_after_find_is_not_created_if_its_not_used
-    # use a fresh class so an observer can't have defined an
-    # after_find on it
-    model_class = Class.new(ActiveRecord::Base)
-    observer_class = Class.new(ActiveRecord::Observer)
-    observer_class.observe(model_class)
-
-    observer = observer_class.instance
-
-    assert !model_class.method_defined?(:after_find)
-  end
-
-  def test_after_find_is_not_clobbered_if_it_already_exists
-    # use a fresh observer class so we can instantiate it (Observer is
-    # a Singleton)
-    model_class = Class.new(ActiveRecord::Base) do
-      def after_find; end
-    end
-    original_method = model_class.instance_method(:after_find)
-    observer_class = Class.new(ActiveRecord::Observer) do
-      def after_find; end
-    end
-    observer_class.observe(model_class)
-
-    observer = observer_class.instance
-    assert_equal original_method, model_class.instance_method(:after_find)
-  end
-
   def test_invalid_observer
     assert_raise(ArgumentError) { Topic.observers = Object.new; Topic.instantiate_observers }
   end
diff --git a/activerecord/test/cases/nested_attributes_test.rb b/activerecord/test/cases/nested_attributes_test.rb
index d033c1e760..721792132c 100644
--- a/activerecord/test/cases/nested_attributes_test.rb
+++ b/activerecord/test/cases/nested_attributes_test.rb
@@ -68,24 +68,38 @@ class TestNestedAttributesInGeneral < ActiveRecord::TestCase
     ship = pirate.create_ship(:name => 'Nights Dirty Lightning')
 
     assert_no_difference('Ship.count') do
-      pirate.update_attributes(:ship_attributes => { '_delete' => true })
+      pirate.update_attributes(:ship_attributes => { '_destroy' => true })
     end
   end
 
-  def test_a_model_should_respond_to_underscore_delete_and_return_if_it_is_marked_for_destruction
+  def test_a_model_should_respond_to_underscore_destroy_and_return_if_it_is_marked_for_destruction
     ship = Ship.create!(:name => 'Nights Dirty Lightning')
-    assert !ship._delete
+    assert !ship._destroy
     ship.mark_for_destruction
-    assert ship._delete
+    assert ship._destroy
+  end
+
+  def test_underscore_delete_is_deprecated
+    ActiveSupport::Deprecation.expects(:warn)
+    ship = Ship.create!(:name => 'Nights Dirty Lightning')
+    ship._delete
   end
 end
 
 class TestNestedAttributesOnAHasOneAssociation < ActiveRecord::TestCase
+  include AssertRaiseWithMessage
+
   def setup
     @pirate = Pirate.create!(:catchphrase => "Don' botharrr talkin' like one, savvy?")
     @ship = @pirate.create_ship(:name => 'Nights Dirty Lightning')
   end
 
+  def test_should_raise_argument_error_if_trying_to_build_polymorphic_belongs_to
+    assert_raise_with_message ArgumentError, "Cannot build association looter. Are you trying to build a polymorphic one-to-one association?" do
+      Treasure.new(:name => 'pearl', :looter_attributes => {:catchphrase => "Arrr"})
+    end
+  end
+
   def test_should_define_an_attribute_writer_method_for_the_association
     assert_respond_to @pirate, :ship_attributes=
   end
@@ -98,9 +112,9 @@ class TestNestedAttributesOnAHasOneAssociation < ActiveRecord::TestCase
     assert_equal 'Davy Jones Gold Dagger', @pirate.ship.name
   end
 
-  def test_should_not_build_a_new_record_if_there_is_no_id_and_delete_is_truthy
+  def test_should_not_build_a_new_record_if_there_is_no_id_and_destroy_is_truthy
     @ship.destroy
-    @pirate.reload.ship_attributes = { :name => 'Davy Jones Gold Dagger', :_delete => '1' }
+    @pirate.reload.ship_attributes = { :name => 'Davy Jones Gold Dagger', :_destroy => '1' }
 
     assert_nil @pirate.ship
   end
@@ -120,8 +134,8 @@ class TestNestedAttributesOnAHasOneAssociation < ActiveRecord::TestCase
     assert_equal 'Nights Dirty Lightning', @ship.name
   end
 
-  def test_should_not_replace_an_existing_record_if_there_is_no_id_and_delete_is_truthy
-    @pirate.reload.ship_attributes = { :name => 'Davy Jones Gold Dagger', :_delete => '1' }
+  def test_should_not_replace_an_existing_record_if_there_is_no_id_and_destroy_is_truthy
+    @pirate.reload.ship_attributes = { :name => 'Davy Jones Gold Dagger', :_destroy => '1' }
 
     assert_equal @ship, @pirate.ship
     assert_equal 'Nights Dirty Lightning', @pirate.ship.name
@@ -148,29 +162,29 @@ class TestNestedAttributesOnAHasOneAssociation < ActiveRecord::TestCase
     assert_equal 'Davy Jones Gold Dagger', @pirate.ship.name
   end
 
-  def test_should_delete_an_existing_record_if_there_is_a_matching_id_and_delete_is_truthy
+  def test_should_destroy_an_existing_record_if_there_is_a_matching_id_and_destroy_is_truthy
     @pirate.ship.destroy
     [1, '1', true, 'true'].each do |truth|
       @pirate.reload.create_ship(:name => 'Mister Pablo')
       assert_difference('Ship.count', -1) do
-        @pirate.update_attribute(:ship_attributes, { :id => @pirate.ship.id, :_delete => truth })
+        @pirate.update_attribute(:ship_attributes, { :id => @pirate.ship.id, :_destroy => truth })
       end
     end
   end
 
-  def test_should_not_delete_an_existing_record_if_delete_is_not_truthy
+  def test_should_not_destroy_an_existing_record_if_destroy_is_not_truthy
     [nil, '0', 0, 'false', false].each do |not_truth|
       assert_no_difference('Ship.count') do
-        @pirate.update_attribute(:ship_attributes, { :id => @pirate.ship.id, :_delete => not_truth })
+        @pirate.update_attribute(:ship_attributes, { :id => @pirate.ship.id, :_destroy => not_truth })
       end
     end
   end
 
-  def test_should_not_delete_an_existing_record_if_allow_destroy_is_false
+  def test_should_not_destroy_an_existing_record_if_allow_destroy_is_false
     Pirate.accepts_nested_attributes_for :ship, :allow_destroy => false, :reject_if => proc { |attributes| attributes.empty? }
 
     assert_no_difference('Ship.count') do
-      @pirate.update_attribute(:ship_attributes, { :id => @pirate.ship.id, :_delete => '1' })
+      @pirate.update_attribute(:ship_attributes, { :id => @pirate.ship.id, :_destroy => '1' })
     end
 
     Pirate.accepts_nested_attributes_for :ship, :allow_destroy => true, :reject_if => proc { |attributes| attributes.empty? }
@@ -193,7 +207,7 @@ class TestNestedAttributesOnAHasOneAssociation < ActiveRecord::TestCase
 
   def test_should_not_destroy_the_associated_model_until_the_parent_is_saved
     assert_no_difference('Ship.count') do
-      @pirate.attributes = { :ship_attributes => { :id => @ship.id, :_delete => '1' } }
+      @pirate.attributes = { :ship_attributes => { :id => @ship.id, :_destroy => '1' } }
     end
     assert_difference('Ship.count', -1) do
       @pirate.save
@@ -224,9 +238,9 @@ class TestNestedAttributesOnABelongsToAssociation < ActiveRecord::TestCase
     assert_equal 'Arr', @ship.pirate.catchphrase
   end
 
-  def test_should_not_build_a_new_record_if_there_is_no_id_and_delete_is_truthy
+  def test_should_not_build_a_new_record_if_there_is_no_id_and_destroy_is_truthy
     @pirate.destroy
-    @ship.reload.pirate_attributes = { :catchphrase => 'Arr', :_delete => '1' }
+    @ship.reload.pirate_attributes = { :catchphrase => 'Arr', :_destroy => '1' }
 
     assert_nil @ship.pirate
   end
@@ -246,8 +260,8 @@ class TestNestedAttributesOnABelongsToAssociation < ActiveRecord::TestCase
     assert_equal 'Aye', @pirate.catchphrase
   end
 
-  def test_should_not_replace_an_existing_record_if_there_is_no_id_and_delete_is_truthy
-    @ship.reload.pirate_attributes = { :catchphrase => 'Arr', :_delete => '1' }
+  def test_should_not_replace_an_existing_record_if_there_is_no_id_and_destroy_is_truthy
+    @ship.reload.pirate_attributes = { :catchphrase => 'Arr', :_destroy => '1' }
 
     assert_equal @pirate, @ship.pirate
     assert_equal 'Aye', @ship.pirate.catchphrase
@@ -274,29 +288,29 @@ class TestNestedAttributesOnABelongsToAssociation < ActiveRecord::TestCase
     assert_equal 'Arr', @ship.pirate.catchphrase
   end
 
-  def test_should_delete_an_existing_record_if_there_is_a_matching_id_and_delete_is_truthy
+  def test_should_destroy_an_existing_record_if_there_is_a_matching_id_and_destroy_is_truthy
     @ship.pirate.destroy
     [1, '1', true, 'true'].each do |truth|
       @ship.reload.create_pirate(:catchphrase => 'Arr')
       assert_difference('Pirate.count', -1) do
-        @ship.update_attribute(:pirate_attributes, { :id => @ship.pirate.id, :_delete => truth })
+        @ship.update_attribute(:pirate_attributes, { :id => @ship.pirate.id, :_destroy => truth })
       end
     end
   end
 
-  def test_should_not_delete_an_existing_record_if_delete_is_not_truthy
+  def test_should_not_destroy_an_existing_record_if_destroy_is_not_truthy
     [nil, '0', 0, 'false', false].each do |not_truth|
       assert_no_difference('Pirate.count') do
-        @ship.update_attribute(:pirate_attributes, { :id => @ship.pirate.id, :_delete => not_truth })
+        @ship.update_attribute(:pirate_attributes, { :id => @ship.pirate.id, :_destroy => not_truth })
       end
     end
   end
 
-  def test_should_not_delete_an_existing_record_if_allow_destroy_is_false
+  def test_should_not_destroy_an_existing_record_if_allow_destroy_is_false
     Ship.accepts_nested_attributes_for :pirate, :allow_destroy => false, :reject_if => proc { |attributes| attributes.empty? }
 
     assert_no_difference('Pirate.count') do
-      @ship.update_attribute(:pirate_attributes, { :id => @ship.pirate.id, :_delete => '1' })
+      @ship.update_attribute(:pirate_attributes, { :id => @ship.pirate.id, :_destroy => '1' })
     end
 
     Ship.accepts_nested_attributes_for :pirate, :allow_destroy => true, :reject_if => proc { |attributes| attributes.empty? }
@@ -312,7 +326,7 @@ class TestNestedAttributesOnABelongsToAssociation < ActiveRecord::TestCase
 
   def test_should_not_destroy_the_associated_model_until_the_parent_is_saved
     assert_no_difference('Pirate.count') do
-      @ship.attributes = { :pirate_attributes => { :id => @ship.pirate.id, '_delete' => true } }
+      @ship.attributes = { :pirate_attributes => { :id => @ship.pirate.id, '_destroy' => true } }
     end
     assert_difference('Pirate.count', -1) { @ship.save }
   end
@@ -380,18 +394,18 @@ module NestedAttributesOnACollectionAssociationTests
     assert_equal 'Privateers Greed', @pirate.send(@association_name).last.name
   end
 
-  def test_should_not_assign_delete_key_to_a_record
+  def test_should_not_assign_destroy_key_to_a_record
     assert_nothing_raised ActiveRecord::UnknownAttributeError do
-      @pirate.send(association_setter, { 'foo' => { '_delete' => '0' }})
+      @pirate.send(association_setter, { 'foo' => { '_destroy' => '0' }})
     end
   end
 
-  def test_should_ignore_new_associated_records_with_truthy_delete_attribute
+  def test_should_ignore_new_associated_records_with_truthy_destroy_attribute
     @pirate.send(@association_name).destroy_all
     @pirate.reload.attributes = {
       association_getter => {
         'foo' => { :name => 'Grace OMalley' },
-        'bar' => { :name => 'Privateers Greed', '_delete' => '1' }
+        'bar' => { :name => 'Privateers Greed', '_destroy' => '1' }
       }
     }
 
@@ -443,7 +457,7 @@ module NestedAttributesOnACollectionAssociationTests
     ['1', 1, 'true', true].each do |true_variable|
       record = @pirate.reload.send(@association_name).create!(:name => 'Grace OMalley')
       @pirate.send(association_setter,
-        @alternate_params[association_getter].merge('baz' => { :id => record.id, '_delete' => true_variable })
+        @alternate_params[association_getter].merge('baz' => { :id => record.id, '_destroy' => true_variable })
       )
 
       assert_difference('@pirate.send(@association_name).count', -1) do
@@ -454,7 +468,7 @@ module NestedAttributesOnACollectionAssociationTests
 
   def test_should_not_destroy_the_associated_model_with_a_non_truthy_argument
     [nil, '', '0', 0, 'false', false].each do |false_variable|
-      @alternate_params[association_getter]['foo']['_delete'] = false_variable
+      @alternate_params[association_getter]['foo']['_destroy'] = false_variable
       assert_no_difference('@pirate.send(@association_name).count') do
         @pirate.update_attributes(@alternate_params)
       end
@@ -463,7 +477,7 @@ module NestedAttributesOnACollectionAssociationTests
 
   def test_should_not_destroy_the_associated_model_until_the_parent_is_saved
     assert_no_difference('@pirate.send(@association_name).count') do
-      @pirate.send(association_setter, @alternate_params[association_getter].merge('baz' => { :id => @child_1.id, '_delete' => true }))
+      @pirate.send(association_setter, @alternate_params[association_getter].merge('baz' => { :id => @child_1.id, '_destroy' => true }))
     end
     assert_difference('@pirate.send(@association_name).count', -1) { @pirate.save }
   end
diff --git a/activerecord/test/cases/reflection_test.rb b/activerecord/test/cases/reflection_test.rb
index a164f5e060..0eb2da720e 100644
--- a/activerecord/test/cases/reflection_test.rb
+++ b/activerecord/test/cases/reflection_test.rb
@@ -176,9 +176,9 @@ class ReflectionTest < ActiveRecord::TestCase
 
   def test_reflection_of_all_associations
     # FIXME these assertions bust a lot
-    assert_equal 31, Firm.reflect_on_all_associations.size
-    assert_equal 24, Firm.reflect_on_all_associations(:has_many).size
-    assert_equal 7, Firm.reflect_on_all_associations(:has_one).size
+    assert_equal 35, Firm.reflect_on_all_associations.size
+    assert_equal 26, Firm.reflect_on_all_associations(:has_many).size
+    assert_equal 9, Firm.reflect_on_all_associations(:has_one).size
     assert_equal 0, Firm.reflect_on_all_associations(:belongs_to).size
   end
 
diff --git a/activerecord/test/cases/repair_helper.rb b/activerecord/test/cases/repair_helper.rb
deleted file mode 100644
index 80d04010d6..0000000000
--- a/activerecord/test/cases/repair_helper.rb
+++ /dev/null
@@ -1,46 +0,0 @@
-module ActiveRecord
-  module Testing
-    module RepairHelper
-      extend ActiveSupport::Concern
-
-      module Toolbox
-        def self.record_validations(*model_classes)
-          model_classes.inject({}) do |repair, klass|
-            repair[klass] ||= {}
-            [:validate, :validate_on_create, :validate_on_update].each do |callback|
-              the_callback = klass.instance_variable_get("@#{callback.to_s}_callbacks")
-              repair[klass][callback] = (the_callback.nil? ? nil : the_callback.dup)
-            end
-            repair
-          end
-        end
-
-        def self.reset_validations(recorded)
-          recorded.each do |klass, repairs|
-            [:validate, :validate_on_create, :validate_on_update].each do |callback|
-              klass.instance_variable_set("@#{callback.to_s}_callbacks", repairs[callback])
-            end
-          end
-        end
-      end
-
-      module ClassMethods
-        def repair_validations(*model_classes)
-          setup do
-            @validation_repairs = ActiveRecord::Testing::RepairHelper::Toolbox.record_validations(*model_classes)
-          end
-          teardown do
-            ActiveRecord::Testing::RepairHelper::Toolbox.reset_validations(@validation_repairs)
-          end
-        end
-      end
-
-      def repair_validations(*model_classes, &block)
-        validation_repairs = ActiveRecord::Testing::RepairHelper::Toolbox.record_validations(*model_classes)
-        return block.call
-      ensure
-        ActiveRecord::Testing::RepairHelper::Toolbox.reset_validations(validation_repairs)
-      end
-    end
-  end
-end
diff --git a/activerecord/test/cases/transactions_test.rb b/activerecord/test/cases/transactions_test.rb
index f6533b5396..aca70b4238 100644
--- a/activerecord/test/cases/transactions_test.rb
+++ b/activerecord/test/cases/transactions_test.rb
@@ -382,28 +382,28 @@ class TransactionTest < ActiveRecord::TestCase
 
   private
     def add_exception_raising_after_save_callback_to_topic
-      Topic.class_eval { def after_save() raise "Make the transaction rollback" end }
+      Topic.class_eval "def after_save_for_transaction; raise 'Make the transaction rollback' end"
     end
 
     def remove_exception_raising_after_save_callback_to_topic
-      Topic.class_eval { remove_method :after_save }
+      Topic.class_eval "def after_save_for_transaction; end"
     end
 
     def add_exception_raising_after_create_callback_to_topic
-      Topic.class_eval { def after_create() raise "Make the transaction rollback" end }
+      Topic.class_eval "def after_create_for_transaction; raise 'Make the transaction rollback' end"
     end
 
     def remove_exception_raising_after_create_callback_to_topic
-      Topic.class_eval { remove_method :after_create }
+      Topic.class_eval "def after_create_for_transaction; end"
     end
 
     %w(validation save destroy).each do |filter|
       define_method("add_cancelling_before_#{filter}_with_db_side_effect_to_topic") do
-        Topic.class_eval "def before_#{filter}() Book.create; false end"
+        Topic.class_eval "def before_#{filter}_for_transaction() Book.create; false end"
       end
 
       define_method("remove_cancelling_before_#{filter}_with_db_side_effect_to_topic") do
-        Topic.class_eval "remove_method :before_#{filter}"
+        Topic.class_eval "def before_#{filter}_for_transaction; end"
       end
     end
 end
diff --git a/activerecord/test/cases/validations/i18n_generate_message_validation_test.rb b/activerecord/test/cases/validations/i18n_generate_message_validation_test.rb
index 29c10de4fe..3794a0ebb9 100644
--- a/activerecord/test/cases/validations/i18n_generate_message_validation_test.rb
+++ b/activerecord/test/cases/validations/i18n_generate_message_validation_test.rb
@@ -2,9 +2,9 @@ require "cases/helper"
 require 'models/topic'
 require 'models/reply'
 
-class I18nGenerateMessageValidationTest < Test::Unit::TestCase
+class I18nGenerateMessageValidationTest < ActiveRecord::TestCase
   def setup
-    reset_callbacks Topic
+    Topic.reset_callbacks(:validate)
     @topic = Topic.new
     I18n.backend.store_translations :'en', {
       :activerecord => {
@@ -17,14 +17,6 @@ class I18nGenerateMessageValidationTest < Test::Unit::TestCase
     }
   end
 
-  def reset_callbacks(*models)
-    models.each do |model|
-      model.instance_variable_set("@validate_callbacks", ActiveSupport::Callbacks::CallbackChain.new)
-      model.instance_variable_set("@validate_on_create_callbacks", ActiveSupport::Callbacks::CallbackChain.new)
-      model.instance_variable_set("@validate_on_update_callbacks", ActiveSupport::Callbacks::CallbackChain.new)
-    end
-  end
-
   # validates_inclusion_of: generate_message(attr_name, :inclusion, :default => configuration[:message], :value => value)
   def test_generate_message_inclusion_with_default_message
     assert_equal 'is not included in the list', @topic.errors.generate_message(:title, :inclusion, :default => nil, :value => 'title')
diff --git a/activerecord/test/cases/validations/i18n_validation_test.rb b/activerecord/test/cases/validations/i18n_validation_test.rb
index 73d9c7249c..252138c0d6 100644
--- a/activerecord/test/cases/validations/i18n_validation_test.rb
+++ b/activerecord/test/cases/validations/i18n_validation_test.rb
@@ -4,7 +4,7 @@ require 'models/reply'
 
 class I18nValidationTest < ActiveRecord::TestCase
   def setup
-    reset_callbacks Topic
+    Topic.reset_callbacks(:validate)
     @topic = Topic.new
     @old_load_path, @old_backend = I18n.load_path, I18n.backend
     I18n.load_path.clear
@@ -13,7 +13,7 @@ class I18nValidationTest < ActiveRecord::TestCase
   end
 
   def teardown
-    reset_callbacks Topic
+    Topic.reset_callbacks(:validate)
     I18n.load_path.replace @old_load_path
     I18n.backend = @old_backend
   end
@@ -30,14 +30,6 @@ class I18nValidationTest < ActiveRecord::TestCase
     end
   end
 
-  def reset_callbacks(*models)
-    models.each do |model|
-      model.instance_variable_set("@validate_callbacks", ActiveSupport::Callbacks::CallbackChain.new)
-      model.instance_variable_set("@validate_on_create_callbacks", ActiveSupport::Callbacks::CallbackChain.new)
-      model.instance_variable_set("@validate_on_update_callbacks", ActiveSupport::Callbacks::CallbackChain.new)
-    end
-  end
-
   def test_percent_s_interpolation_syntax_in_error_messages_was_deprecated
     assert_not_deprecated do
       default = "%s interpolation syntax was deprecated"
@@ -710,9 +702,9 @@ class I18nValidationTest < ActiveRecord::TestCase
   end
 end
 
-class ActiveRecordValidationsGenerateMessageI18nTests < ActiveSupport::TestCase
+class ActiveRecordValidationsGenerateMessageI18nTests < ActiveRecord::TestCase
+
   def setup
-    reset_callbacks Topic
     @topic = Topic.new
     I18n.backend.store_translations :'en', {
       :activerecord => {
@@ -743,14 +735,6 @@ class ActiveRecordValidationsGenerateMessageI18nTests < ActiveSupport::TestCase
     }
   end
 
-  def reset_callbacks(*models)
-    models.each do |model|
-      model.instance_variable_set("@validate_callbacks", ActiveSupport::Callbacks::CallbackChain.new)
-      model.instance_variable_set("@validate_on_create_callbacks", ActiveSupport::Callbacks::CallbackChain.new)
-      model.instance_variable_set("@validate_on_update_callbacks", ActiveSupport::Callbacks::CallbackChain.new)
-    end
-  end
-
   # validates_inclusion_of: generate_message(attr_name, :inclusion, :default => configuration[:message], :value => value)
   def test_generate_message_inclusion_with_default_message
     assert_equal 'is not included in the list', @topic.errors.generate_message(:title, :inclusion, :default => nil, :value => 'title')
diff --git a/activerecord/test/cases/validations_test.rb b/activerecord/test/cases/validations_test.rb
index a4e874e5e6..5cdb623eef 100644
--- a/activerecord/test/cases/validations_test.rb
+++ b/activerecord/test/cases/validations_test.rb
@@ -149,24 +149,24 @@ class ValidationsTest < ActiveRecord::TestCase
   end
 
   def test_validates_length_with_globally_modified_error_message
-    ActiveSupport::Deprecation.silence do
-      ActiveRecord::Errors.default_error_messages[:too_short] = 'tu est trops petit hombre {{count}}'
-    end
+    defaults = ActiveSupport::Deprecation.silence { ActiveRecord::Errors.default_error_messages }
+    original_message = defaults[:too_short]
+    defaults[:too_short] = 'tu est trops petit hombre {{count}}'
 
     Topic.validates_length_of :title, :minimum => 10
     t = Topic.create(:title => 'too short')
     assert !t.valid?
 
     assert_equal ['tu est trops petit hombre 10'], t.errors[:title]
+
+  ensure
+    defaults[:too_short] = original_message
   end
 
   def test_validates_acceptance_of_as_database_column
-    repair_validations(Reply) do
-      Reply.validates_acceptance_of(:author_name)
-
-      reply = Reply.create("author_name" => "Dan Brown")
-      assert_equal "Dan Brown", reply["author_name"]
-    end
+    Topic.validates_acceptance_of(:author_name)
+    topic = Topic.create("author_name" => "Dan Brown")
+    assert_equal "Dan Brown", topic["author_name"]
   end
 
   def test_deprecated_validation_instance_methods