@Test public void getUserFromScanner() { Long fid0 = Long.valueOf(0); // scanner of koko Long fid1 = Long.valueOf(1); // scanner of riko User u = dao.getUserFromScanner(dao.read(fid0)); Assert.assertNotNull(u); Assert.assertEquals(u.getUsername(), "koko"); u = dao.getUserFromScanner(dao.read(fid1)); Assert.assertNotNull(u); Assert.assertEquals(u.getUsername(), "riko"); u = dao.getUserFromScanner(null); Assert.assertNull(u); }