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Diffstat (limited to 'activerecord/test/cases/persistence_test.rb')
-rw-r--r-- | activerecord/test/cases/persistence_test.rb | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/activerecord/test/cases/persistence_test.rb b/activerecord/test/cases/persistence_test.rb index d6816041bc..2803ad2de0 100644 --- a/activerecord/test/cases/persistence_test.rb +++ b/activerecord/test/cases/persistence_test.rb @@ -356,6 +356,16 @@ class PersistenceTest < ActiveRecord::TestCase assert_equal("David", topic_reloaded.author_name) end + def test_update_attribute_does_not_run_sql_if_attribute_is_not_changed + klass = Class.new(Topic) do + def self.name; 'Topic'; end + end + topic = klass.create(title: 'Another New Topic') + assert_queries(0) do + topic.update_attribute(:title, 'Another New Topic') + end + end + def test_delete topic = Topic.find(1) assert_equal topic, topic.delete, 'topic.delete did not return self' |