@Test
public void testNextBinding() throws Exception {
when(mockValue.getString()).thenReturn("x");
final Binding binding = testObj.nextBinding();
assertTrue(binding.contains(Var.alloc("a")));
final Node a = binding.get(Var.alloc("a"));
assertEquals("x", a.getLiteralLexicalForm());
}
private ResultSetRewindable convertToStrings(ResultSetRewindable resultsActual) {
List<Binding> bindings = new ArrayList<Binding>();
while (resultsActual.hasNext()) {
Binding b = resultsActual.nextBinding();
BindingMap b2 = BindingFactory.create();
for (String vn : resultsActual.getResultVars()) {
Var v = Var.alloc(vn);
Node n = b.get(v);
String s;
if (n == null) s = "";
else if (n.isBlank()) s = "_:" + n.getBlankNodeLabel();
else s = NodeFunctions.str(n);
b2.add(v, NodeFactory.createLiteral(s));
}
bindings.add(b2);
}
ResultSet rs =
new ResultSetStream(
resultsActual.getResultVars(), null, new QueryIterPlainWrapper(bindings.iterator()));
return ResultSetFactory.makeRewindable(rs);
}
@Override
protected RDFNode _get(String varName) {
Node n = binding.get(Var.alloc(varName));
if (n == null) return null;
return ModelUtils.convertGraphNodeToRDFNode(n, model);
}