@Test
public void testSubclass() {
Node p1 = getNode("http://example.org/p1");
Node p2 = getNode("http://example.org/p2");
Node p3 = getNode("http://example.org/p3");
Relationship first =
getOnlyElement(
GraphUtil.getRelationships(p3, p1, OwlRelationships.OWL_PROPERTY_CHAIN_AXIOM));
assertThat(GraphUtil.getProperty(first, "order", Integer.class), is(Optional.of(0)));
Relationship second =
getOnlyElement(
GraphUtil.getRelationships(p3, p2, OwlRelationships.OWL_PROPERTY_CHAIN_AXIOM));
assertThat(GraphUtil.getProperty(second, "order", Integer.class), is(Optional.of(1)));
}
@Test
public void testPun() {
Node i = getNode("http://example.org/i");
Node j = getNode("http://example.org/j");
Node k = getNode("http://example.org/k");
RelationshipType p = DynamicRelationshipType.withName("p");
Relationship relationship = getOnlyElement(GraphUtil.getRelationships(i, j, p));
assertThat("OPE edge should start with the subject.", relationship.getStartNode(), is(i));
assertThat("OPE edge should end with the target.", relationship.getEndNode(), is(j));
relationship =
getOnlyElement(GraphUtil.getRelationships(i, k, OwlRelationships.RDFS_SUBCLASS_OF));
assertThat("Subclass edge should start with i.", relationship.getStartNode(), is(i));
assertThat("Subclass edge should end with k.", relationship.getEndNode(), is(k));
assertThat(
"i is both a class an a named individual",
i.getLabels(),
is(
IsIterableContainingInAnyOrder.containsInAnyOrder(
OwlLabels.OWL_CLASS, OwlLabels.OWL_NAMED_INDIVIDUAL)));
}