From a765c8426fe39c73cf9f3ad7f8edcf588c01a11d Mon Sep 17 00:00:00 2001 From: Matthew Robertson Date: Sat, 1 Dec 2012 17:56:28 -0800 Subject: Fix for has_many_through counter_cache bug This commit fixes reported issue #7630 in which counter caches were not being updated properly when replacing has_many_through relationships --- .../cases/associations/has_many_through_associations_test.rb | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'activerecord/test/cases') diff --git a/activerecord/test/cases/associations/has_many_through_associations_test.rb b/activerecord/test/cases/associations/has_many_through_associations_test.rb index 8e52ce1d91..2b96b42032 100644 --- a/activerecord/test/cases/associations/has_many_through_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_through_associations_test.rb @@ -330,6 +330,17 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase end end + def test_update_counter_caches_on_replace_association + post = posts(:welcome) + tag = post.tags.create!(:name => 'doomed') + tag.tagged_posts << posts(:thinking) + + tag.tagged_posts = [] + post.reload + + assert_equal(post.taggings.count, post.taggings_count) + end + def test_replace_association assert_queries(4){posts(:welcome);people(:david);people(:michael); posts(:welcome).people(true)} -- cgit v1.2.3