@Before
  public void init() {

    notaBDAO = new NotaBDAO();

    try {
      db = new DBAccess();
      conn = db.getConnection();

      notaB1 = new NotaB();
      notaB1.setIdNotaB(1);
      notaB1.setDescrizione("asd");
      notaB1.setData(cd.getTime());
      notaB1.setIdStrumento(2);
      notaB1.setIdUtente(1);

      notaB2 = new NotaB();
      // notaB2.setIdNotaB(2);
      notaB2.setDescrizione("asd");
      // notaB2.setData(cd.getTime());
      notaB2.setIdStrumento(2);
      notaB2.setIdUtente(1);

    } catch (DBAccessException e) {
      fail(e.getMessage());
    }
  }
  @Test
  public void testCreate() {
    try {
      notaB2.setData(cd.getTime());
      notaBDAO.create(conn, notaB2);
      String query = NOTA_B_FIND_BYPK;

      Statement stmt2 = conn.createStatement();
      ResultSet rs =
          stmt2.executeQuery(
              "SELECT `AUTO_INCREMENT` FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'db_qualita' AND TABLE_NAME = 'nota_b'");
      rs.next();
      int id = rs.getInt(1);

      PreparedStatement stmt = conn.prepareStatement(query);
      stmt.setInt(1, id - 1);
      rs = stmt.executeQuery();

      rs.next();
      int a = rs.getInt(1);
      db.rollbackConnection(conn);
      assertTrue(rs.getInt(1) == (id - 1));

    } catch (DAOException e) {
      fail(e.getMessage());
    } catch (SQLException e) {
      fail(e.getMessage());
    } catch (DBAccessException e) {
      e.printStackTrace();
    } finally {
      try {
        db.closeConnection(conn);
      } catch (DBAccessException e) {
        e.printStackTrace();
      }
    }

    // TEST 2 test null
    try {

      notaBDAO.create(null, notaB2);
      fail();
    } catch (DAOException e) {
      // return;

      assertTrue(e.getMessageKey().equals(INV_OBJ_NOTA_B));
    } finally {
      try {
        db.closeConnection(conn);
      } catch (DBAccessException e) {
        e.printStackTrace();
      }
    }

    // TEST 3 test class exception
    try {

      notaBDAO.create(conn, new Allegato());
      fail();

    } catch (DAOException e) {
      assertTrue(e.getMessageKey().equals(INV_OBJ_NOTA_B));
    } finally {
      try {
        db.closeConnection(conn);
      } catch (DBAccessException e) {
        e.printStackTrace();
      }
    }
  }