diff options
Diffstat (limited to 'activerecord/test/cases/identity_map_test.rb')
| -rw-r--r-- | activerecord/test/cases/identity_map_test.rb | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/activerecord/test/cases/identity_map_test.rb b/activerecord/test/cases/identity_map_test.rb index 649715fbb5..a0e16400d2 100644 --- a/activerecord/test/cases/identity_map_test.rb +++ b/activerecord/test/cases/identity_map_test.rb @@ -129,6 +129,41 @@ class IdentityMapTest < ActiveRecord::TestCase end ############################################################################## + # Tests checking if IM is functioning properly on classes with multiple # + # types of inheritance # + ############################################################################## + + def test_inherited_without_type_attribute_without_identity_map + ActiveRecord::IdentityMap.without do + p1 = DestructivePirate.create!(:catchphrase => "I'm not a regular Pirate") + p2 = Pirate.find(p1.id) + assert_not_same(p1, p2) + end + end + + def test_inherited_with_type_attribute_without_identity_map + ActiveRecord::IdentityMap.without do + c = comments(:sub_special_comment) + c1 = SubSpecialComment.find(c.id) + c2 = Comment.find(c.id) + assert_same(c1.class, c2.class) + end + end + + def test_inherited_without_type_attribute + p1 = DestructivePirate.create!(:catchphrase => "I'm not a regular Pirate") + p2 = Pirate.find(p1.id) + assert_not_same(p1, p2) + end + + def test_inherited_with_type_attribute + c = comments(:sub_special_comment) + c1 = SubSpecialComment.find(c.id) + c2 = Comment.find(c.id) + assert_same(c1, c2) + end + + ############################################################################## # Tests checking dirty attribute behaviour with IM # ############################################################################## |