module DatabaseCleaner::ActiveRecord class Transaction def start if ActiveRecord::Base.connection.respond_to?(:increment_open_transactions) ActiveRecord::Base.connection.increment_open_transactions else ActiveRecord::Base.__send__(:increment_open_transactions) end ActiveRecord::Base.connection.begin_db_transaction end def clean ActiveRecord::Base.connection.rollback_db_transaction if ActiveRecord::Base.connection.respond_to?(:decrement_open_transactions) ActiveRecord::Base.connection.decrement_open_transactions else ActiveRecord::Base.__send__(:decrement_open_transactions) end end end end