From 25724eede9b5a62c74b3b78245944638f1cfcef4 Mon Sep 17 00:00:00 2001 From: Daniel Guettler Date: Sun, 17 May 2009 14:48:20 +0200 Subject: has_one :through should not create a new association when assigned nil [#698 state:resolved] Signed-off-by: Pratik Naik --- .../associations/has_one_through_association.rb | 16 ++++++++-------- .../associations/has_one_through_associations_test.rb | 9 ++++++++- 2 files changed, 16 insertions(+), 9 deletions(-) diff --git a/activerecord/lib/active_record/associations/has_one_through_association.rb b/activerecord/lib/active_record/associations/has_one_through_association.rb index 8073ebaf9f..d93c8e7852 100644 --- a/activerecord/lib/active_record/associations/has_one_through_association.rb +++ b/activerecord/lib/active_record/associations/has_one_through_association.rb @@ -1,31 +1,31 @@ module ActiveRecord module Associations class HasOneThroughAssociation < HasManyThroughAssociation - + def create_through_record(new_value) #nodoc: klass = @reflection.through_reflection.klass current_object = @owner.send(@reflection.through_reflection.name) - + if current_object - current_object.update_attributes(construct_join_attributes(new_value)) + new_value ? current_object.update_attributes(construct_join_attributes(new_value)) : current_object.destroy else - @owner.send(@reflection.through_reflection.name, klass.send(:create, construct_join_attributes(new_value))) + @owner.send(@reflection.through_reflection.name, klass.send(:create, construct_join_attributes(new_value))) if new_value end end - + private def find(*args) super(args.merge(:limit => 1)) end - + def find_target super.first end def reset_target! @target = nil - end - end + end + end end end diff --git a/activerecord/test/cases/associations/has_one_through_associations_test.rb b/activerecord/test/cases/associations/has_one_through_associations_test.rb index 12c598751b..ab6e6d20fc 100644 --- a/activerecord/test/cases/associations/has_one_through_associations_test.rb +++ b/activerecord/test/cases/associations/has_one_through_associations_test.rb @@ -43,7 +43,14 @@ class HasOneThroughAssociationsTest < ActiveRecord::TestCase @member.reload end end - + + def test_set_record_to_nil_should_delete_association + @member.club = nil + @member.reload + assert_equal nil, @member.current_membership + assert_nil @member.club + end + def test_has_one_through_polymorphic assert_equal clubs(:moustache_club), @member.sponsor_club end -- cgit v1.2.3