diff options
Diffstat (limited to 'activerecord')
| -rw-r--r-- | activerecord/test/cases/associations/eager_test.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/eager_test.rb b/activerecord/test/cases/associations/eager_test.rb index 559f0e9338..9afe6a893c 100644 --- a/activerecord/test/cases/associations/eager_test.rb +++ b/activerecord/test/cases/associations/eager_test.rb @@ -1501,6 +1501,10 @@ class EagerAssociationTest < ActiveRecord::TestCase assert_equal posts(:welcome), post end + test "eager-loading with a polymorphic association and using the existential predicate" do + assert_equal true, authors(:david).essays.eager_load(:writer).exists? + end + # CollectionProxy#reader is expensive, so the preloader avoids calling it. test "preloading has_many_through association avoids calling association.reader" do ActiveRecord::Associations::HasManyAssociation.any_instance.expects(:reader).never |