transactional_specs.rb

Spec::Runner.configure do |config|

  config.before do
    repository do |r|
      transaction = DataMapper::Transaction.new(r)
      transaction.begin
      r.adapter.push_transaction(transaction)
    end
  end
 
  config.after do
    repository do |r|
      adapter = r.adapter
      while adapter.current_transaction
        adapter.current_transaction.rollback
        adapter.pop_transaction
      end
    end
  end

end