def test_datapropertyassertion(self):
x = Literal('"17"^^xsd:integer')
y = DataPropertyAssertion(A.hasAge, A.Meg, x)
self.assertEqual(
'DataPropertyAssertion( a:hasAge a:Meg "17"^^xsd:integer )',
DataPropertyAssertion(A.hasAge, A.Meg,
Literal('"17"^^xsd:integer')).to_functional(
self.wa).getvalue())
def test_literal(self):
self.assertEqual('"testing"',
Literal("testing").to_functional(self.w).getvalue())
self.w.reset()
self.assertEqual(
'"testing"',
Literal("'testing'^^xsd:string").to_functional(self.w).getvalue())
self.w.reset()
self.assertEqual(
'"AB\\"\\\\C\\""',
Literal('AB\\"\\\\C\\"').to_functional(self.w).getvalue())
self.w.reset()
self.assertEqual(
'"42"^^xsd:integer',
Literal('"42"^^xsd:integer').to_functional(self.w).getvalue())
with self.assertRaises(ValueError):
Literal('"AB\\"\\\\C\\""^^xsd:integer')
with self.assertRaises(ValueError):
Literal('"ABC"^xsd:integer')
with self.assertRaises(ValueError):
Literal('"123"^^xsd.integer')
self.assertTrue(isinstance('"42"^^xsd:integer', Literal))
self.assertFalse(isinstance('"123"^^xsd.integer', Literal))
self.w.reset()
self.assertEqual(
'"abc"@en-GB',
Literal('"abc"@en-GB').to_functional(self.w).getvalue())
def dataPropertyAssertion(
self, expr: DataPropertyExpression.types(),
sourceIndividual: Individual.types(), targetValue: Literal.types()
) -> "Ontology":
self.axioms.append(
DataPropertyAssertion(expr, sourceIndividual, targetValue))
return self
def test_bare_literal(self):
for v, expected in various_literals:
lv = Literal(v)
self.w.reset()
self.assertEqual(str(lv.to_functional(self.w)), expected)
def test_datapropertyassertion_rdf(self):
x = Literal('"17"^^xsd:integer')
g = Graph()
DataPropertyAssertion(A.hasAge, A.Meg, x).to_rdf(g)
print('test_datapropertyassertion_rdf')
print(g.serialize(format='turtle').decode())