def test_difference(self):
larger_graph = get_empty_graph()
larger_graph.add((URIRef(":Icaro"), RDF.type, URIRef(":Mortal")))
larger_graph.add((URIRef(":Mortal"), RDF.type, OWL.Class))
larger_graph.add((URIRef(":Human"), RDF.type, OWL.Class))
subset_graph = get_empty_graph()
subset_graph.add((URIRef(":Icaro"), RDF.type, URIRef(":Mortal")))
self.assertTrue(is_empty_graph(difference(subset_graph, larger_graph)))
def _infer(self):
"""
Method that constructs a ``diderot.inference.Inference`` object
and trigger the inference.
"""
inference = Inference()
inference.add_facts(self.facts)
inferred_facts = inference.get_inferred_facts()
self.not_inferred_facts = difference(self.expected_facts, inferred_facts)
if not self.not_inferred_facts:
self.assertion_value = True
else:
self.assertion_value = False
self._build_assertion_error_message()
def test_difference_not_empty(self):
larger_graph = get_empty_graph()
larger_graph.add((URIRef(":Icaro"), RDF.type, URIRef(":Mortal")))
larger_graph.add((URIRef(":Mortal"), RDF.type, OWL.Class))
larger_graph.add((URIRef(":Human"), RDF.type, OWL.Class))
subset_graph = get_empty_graph()
subset_graph.add((URIRef(":Icaro"), RDF.type, URIRef(":Mortal")))
subset_graph.add((URIRef(":Icaro"), RDF.type, URIRef(":Student"))) # Not in larger_graph
difference_expected_graph = get_empty_graph()
difference_expected_graph.add((URIRef(":Icaro"), RDF.type, URIRef(":Student"))) # Not in larger_graph
difference_expected_graph_set = set(difference_expected_graph)
difference_result_graph_set = difference(subset_graph, larger_graph)
self.assertEqual(len(difference_result_graph_set), 1)
self.assertEqual(difference_expected_graph_set, difference_result_graph_set)