def test__property(self):
"""Test the _property method.
Also tests _compute_property implicitly.
"""
namespace_registry = math._namespace_registry
for data, restriction in zip(self.restriction_data, self.restrictions):
data_property = namespace_registry.from_iri(data["property"])
self.assertEqual(data_property, restriction._property)
def test_rtype(self):
"""Test the rtype method.
Also tests _compute_rtype implicitly.
"""
namespace_registry = math._namespace_registry
for data, restriction in zip(self.restriction_data, self.restrictions):
data_property = namespace_registry.from_iri(data["property"])
data_property_type = type(data_property)
self.assertIs(rtypes[data_property_type], restriction.rtype)
def test__property(self):
"""Test the _property method.
Also tests _compute_property implicitly.
"""
for r in self.iter_restrictions():
b_node = r._bnode
graph = r._graph
namespace_registry = r._namespace_registry
properties = graph.objects(
subject=b_node, predicate=rdflib.OWL.onProperty
)
properties = list(properties)
self.assertTrue(
len(properties) == 1,
"The restriction refers not " "exactly to one property.",
)
prop = namespace_registry.from_iri(properties[0])
self.assertEqual(prop, r._property)
def test_attribute_and_relationship(self):
"""Tests both the relationship and the attribute method*.
Make sure that the __init__ method of this class instantiates at least
one example of a restriction on a relationship and on an attribute so
that all cases are covered.
"""
namespace_registry = math._namespace_registry
for data, restriction in zip(self.restriction_data, self.restrictions):
data_property = namespace_registry.from_iri(data["property"])
class_data_property = type(data_property)
if rtypes[class_data_property] == RTYPE.RELATIONSHIP_RESTRICTION:
self.assertRaises(
AttributeError, getattr, restriction, "attribute"
)
elif rtypes[class_data_property] == RTYPE.ATTRIBUTE_RESTRICTION:
self.assertRaises(
AttributeError, getattr, restriction, "relationship"
)
else:
raise Exception(
f"Incomplete test, restrictions of type "
f"{restriction.rtype} are not considered."
)