2 files changed, 83 insertions, 0 deletions
diff --git a/activerecord/test/aggregations_test.rb b/activerecord/test/aggregations_test.rb
index 89927e5044..299e0484e3 100644
--- a/activerecord/test/aggregations_test.rb
+++ b/activerecord/test/aggregations_test.rb
@@ -108,3 +108,21 @@ class AggregationsTest < Test::Unit::TestCase
     assert_equal nil, customers(:david).gps_location
   end
 end
+
+class OverridingAggregationsTest < Test::Unit::TestCase
+  class Name; end
+  class DifferentName; end
+
+  class Person   < ActiveRecord::Base
+    composed_of :composed_of, :mapping => %w(person_first_name first_name)
+  end
+
+  class DifferentPerson < Person
+    composed_of :composed_of, :class_name => 'DifferentName', :mapping => %w(different_person_first_name first_name)
+  end
+
+  def test_composed_of_aggregation_redefinition_reflections_should_differ_and_not_inherited
+    assert_not_equal Person.reflect_on_aggregation(:composed_of),
+                     DifferentPerson.reflect_on_aggregation(:composed_of)
+  end
+end
diff --git a/activerecord/test/associations_test.rb b/activerecord/test/associations_test.rb
index 121a8c5ac4..1fe8d2a417 100755
--- a/activerecord/test/associations_test.rb
+++ b/activerecord/test/associations_test.rb
@@ -1932,3 +1932,68 @@ class HasAndBelongsToManyAssociationsTest < Test::Unit::TestCase
     end
   end
 end
+
+
+class OverridingAssociationsTest < Test::Unit::TestCase
+  class Person < ActiveRecord::Base; end
+  class DifferentPerson < ActiveRecord::Base; end
+
+  class PeopleList < ActiveRecord::Base
+    has_and_belongs_to_many :has_and_belongs_to_many, :before_add => :enlist
+    has_many :has_many, :before_add => :enlist
+    belongs_to :belongs_to
+    has_one :has_one
+  end
+
+  class DifferentPeopleList < PeopleList
+    # Different association with the same name, callbacks should be omitted here.
+    has_and_belongs_to_many :has_and_belongs_to_many, :class_name => 'DifferentPerson'
+    has_many :has_many, :class_name => 'DifferentPerson'
+    belongs_to :belongs_to, :class_name => 'DifferentPerson'
+    has_one :has_one, :class_name => 'DifferentPerson'
+  end
+
+  def test_habtm_association_redefinition_callbacks_should_differ_and_not_inherited
+    # redeclared association on AR descendant should not inherit callbacks from superclass
+    callbacks = PeopleList.read_inheritable_attribute(:before_add_for_has_and_belongs_to_many)
+    assert_equal([:enlist], callbacks)
+    callbacks = DifferentPeopleList.read_inheritable_attribute(:before_add_for_has_and_belongs_to_many)
+    assert_equal([], callbacks)
+  end
+
+  def test_has_many_association_redefinition_callbacks_should_differ_and_not_inherited
+    # redeclared association on AR descendant should not inherit callbacks from superclass
+    callbacks = PeopleList.read_inheritable_attribute(:before_add_for_has_many)
+    assert_equal([:enlist], callbacks)
+    callbacks = DifferentPeopleList.read_inheritable_attribute(:before_add_for_has_many)
+    assert_equal([], callbacks)
+  end
+
+  def test_habtm_association_redefinition_reflections_should_differ_and_not_inherited
+    assert_not_equal(
+      PeopleList.reflect_on_association(:has_and_belongs_to_many),
+      DifferentPeopleList.reflect_on_association(:has_and_belongs_to_many)
+    )
+  end
+
+  def test_has_many_association_redefinition_reflections_should_differ_and_not_inherited
+    assert_not_equal(
+      PeopleList.reflect_on_association(:has_many),
+      DifferentPeopleList.reflect_on_association(:has_many)
+    )
+  end
+
+  def test_belongs_to_association_redefinition_reflections_should_differ_and_not_inherited
+    assert_not_equal(
+      PeopleList.reflect_on_association(:belongs_to),
+      DifferentPeopleList.reflect_on_association(:belongs_to)
+    )
+  end
+
+  def test_has_one_association_redefinition_reflections_should_differ_and_not_inherited
+    assert_not_equal(
+      PeopleList.reflect_on_association(:has_one),
+      DifferentPeopleList.reflect_on_association(:has_one)
+    )
+  end
+end