private void testQueryModel(String input, String output, String varStr, String valStr) { Query q1 = QueryFactory.create(PREFIX+input) ; Query qExpected = QueryFactory.create(PREFIX+output) ; Map<String, RDFNode> map = new HashMap<>() ; Node n = SSE.parseNode(valStr); RDFNode x = ModelUtils.convertGraphNodeToRDFNode(n); map.put(varStr, x); Query qTrans = QueryTransformOps.transformQuery(q1, map) ; assertEquals(qExpected, qTrans) ; }