@Test(dataProvider = "objects") public void testURIs(Object object, String expectedPrefix) { Serializable id = URIGenerator.generate(object); assertNotNull(id, "generated null id"); assertFalse(id.toString().isEmpty(), "returned empty id"); assertTrue( id.toString().startsWith(expectedPrefix), "Generated id didn't start with correct prefix; expected: " + expectedPrefix + " but found " + id); }