Merge pull request #31751 from yoreek/clear_transaction_state_when_ar_object_is_duped

Clear the transaction state when AR object is duped

1 files changed, 16 insertions, 0 deletions

diff --git a/activerecord/test/cases/dup_test.rb b/activerecord/test/cases/dup_test.rb
index 73da31996e..59c3331595 100644
--- a/activerecord/test/cases/dup_test.rb
+++ b/activerecord/test/cases/dup_test.rb
@@ -3,6 +3,7 @@
 require "cases/helper"
 require "models/reply"
 require "models/topic"
+require "models/movie"
 
 module ActiveRecord
   class DupTest < ActiveRecord::TestCase
@@ -157,5 +158,20 @@ module ActiveRecord
         record.dup
       end
     end
+
+    def test_dup_record_not_persisted_after_rollback_transaction
+      movie = Movie.new(name: "test")
+
+      assert_raises(ActiveRecord::RecordInvalid) do
+        Movie.transaction do
+          movie.save!
+          duped = movie.dup
+          duped.name = nil
+          duped.save!
+        end
+      end
+
+      assert !movie.persisted?
+    end
   end
 end