def _make_triple_from_graph(triple_tuple) -> 'P(A x A)':
"""Return a `triple` created from the rdflib triple tuple ``triple_tuple``."""
return _rdf.make_triple(
subject=_convert_identifier_to_mathobject(triple_tuple[0]),
predicate=_convert_identifier_to_mathobject(triple_tuple[1]),
object_=_convert_identifier_to_mathobject(triple_tuple[2])
)
def _make_triple_from_graph(triple_tuple) -> 'P(A x A)':
"""Return a `triple` created from the `~.rdflib` triple tuple ``triple_tuple``."""
return _rdf.make_triple(
subject=_convert_identifier_to_mathobject(triple_tuple[0]),
predicate=_convert_identifier_to_mathobject(triple_tuple[1]),
object_=_convert_identifier_to_mathobject(triple_tuple[2])
)
def test_is_absolute_graph(self):
"""Test identifying an absolute graph."""
graph = Set({make_triple(1, 2, 3)})
self.assertTrue(is_absolute_graph(graph))
# not a clan
not_graph = Atom('a')
self.assertFalse(is_absolute_graph(not_graph))
# not regular
not_graph = Set({Couplet('a', 1), Couplet('a', 2), Couplet('a', 3)})
self.assertFalse(is_absolute_graph(not_graph))
# left set is not spo
not_graph = Set({Couplet('a', 1), Couplet('b', 2), Couplet('c', 3)})
self.assertFalse(is_absolute_graph(not_graph))
def test_is_absolute_graph(self):
"""Test identifying an absolute graph."""
graph = Set({make_triple(1, 2, 3)})
self.assertTrue(is_absolute_graph(graph))
# not a clan
not_graph = Atom('a')
self.assertFalse(is_absolute_graph(not_graph))
# not regular
not_graph = Set({Couplet('a', 1), Couplet('a', 2), Couplet('a', 3)})
self.assertFalse(is_absolute_graph(not_graph))
# left set is not spo
not_graph = Set({Couplet('a', 1), Couplet('b', 2), Couplet('c', 3)})
self.assertFalse(is_absolute_graph(not_graph))
def test_make_triple(self):
self.assertEqual(
make_triple(1, 2, 3),
Set([Couplet('s', 1), Couplet('p', 2), Couplet('o', 3)])
)
def test_make_triple(self):
self.assertEqual(
make_triple(1, 2, 3),
Set([Couplet('s', 1),
Couplet('p', 2),
Couplet('o', 3)]))