diff options
Diffstat (limited to 'activerecord/test')
| -rw-r--r-- | activerecord/test/cases/persistence_test.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/activerecord/test/cases/persistence_test.rb b/activerecord/test/cases/persistence_test.rb index 57d1441128..9cd07fa8a5 100644 --- a/activerecord/test/cases/persistence_test.rb +++ b/activerecord/test/cases/persistence_test.rb @@ -29,6 +29,26 @@ class PersistencesTest < ActiveRecord::TestCase end end + def test_update_all_doesnt_ignore_order + assert_equal authors(:david).id + 1, authors(:mary).id # make sure there is going to be a duplicate PK error + test_update_with_order_succeeds = lambda do |order| + begin + Author.order(order).update_all('id = id + 1') + rescue ActiveRecord::ActiveRecordError + false + end + end + + if test_update_with_order_succeeds.call('id DESC') + assert !test_update_with_order_succeeds.call('id ASC') # test that this wasn't a fluke and using an incorrect order results in an exception + else + # test that we're failing because the current Arel's engine doesn't support UPDATE ORDER BY queries is using subselects instead + assert_sql(/\AUPDATE .+ \(SELECT .* ORDER BY id DESC\)\Z/i) do + test_update_with_order_succeeds.call('id DESC') + end + end + end + def test_update_all_with_order_and_limit_updates_subset_only author = authors(:david) assert_nothing_raised do |