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-rw-r--r--activerecord/test/cases/associations/has_many_associations_test.rb19
1 files changed, 19 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb
index a936017ae3..a7e16af88d 100644
--- a/activerecord/test/cases/associations/has_many_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_associations_test.rb
@@ -241,6 +241,13 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
assert_equal "defaulty", bulb.name
end
+ def test_build_from_association_sets_inverse_instance
+ car = Car.new(name: "honda")
+
+ bulb = car.bulbs.build
+ assert_equal car, bulb.car
+ end
+
def test_do_not_call_callbacks_for_delete_all
car = Car.create(name: "honda")
car.funky_bulbs.create!
@@ -2175,6 +2182,13 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
assert_equal "Post", tagging.taggable_type
end
+ def test_build_from_polymorphic_association_sets_inverse_instance
+ post = Post.new
+ tagging = post.taggings.build
+
+ assert_equal post, tagging.taggable
+ end
+
def test_dont_call_save_callbacks_twice_on_has_many
firm = companies(:first_firm)
contract = firm.contracts.create!
@@ -2544,6 +2558,11 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
assert_equal [bulb.id], car.bulb_ids
assert_no_queries { car.bulb_ids }
+
+ bulb2 = car.bulbs.create!
+
+ assert_equal [bulb.id, bulb2.id], car.bulb_ids
+ assert_no_queries { car.bulb_ids }
end
def test_loading_association_in_validate_callback_doesnt_affect_persistence