assertEquals(new HashSet<>(), graph.contentsOf(node));
}
@Test
public void categorizerGetsApplied() {
JavaGraph graph = new JavaGraph(new ConstantCategorizer(new SimpleNode(
"x", "x")));
SimpleNode node = new SimpleNode("", "");
graph.add(node);
assertEquals(new HashSet<>(asList(node)),
graph.contentsOf(new SimpleNode("x", "x")));
}