class TestOptionalGroup(unittest.TestCase):
def setUp(self):
self.store = TripleStore()
self.store.add_triples(('a', 'name', 'name-a'), ('b', 'name', 'name-b'),
('a', 'weight', 'weight-a'), ('b', 'size', 'size-b'))
self.p = OptionalGroup(Pattern(self.store, VariableExpression('id'), LiteralExpression('name'), VariableExpression('name')))
def test_match_empty_solution(self):
self.assertEqual(
[dict(id='a', name='name-a'), dict(id='b', name='name-b')],
list(self.p.match({}))
)
def test_match_with_constraining_solution(self):
self.assertEqual(
[dict(id='a', name='name-a')],
list(self.p.match({'id': 'a'}))
)
self.assertEqual(
[dict(id='b', name='name-b')],
list(self.p.match({'name': 'name-b'}))
)
self.assertEqual(
[dict(id='c')],
list(self.p.match({'id': 'c'}))
)
self.assertEqual(
[dict(id='c', name='name-c')],
list(self.p.match({'id': 'c', 'name': 'name-c'}))
)
def test_match_with_nonconstraining_solution(self):
self.assertEqual(
[dict(id='a', name='name-a', bar='two'),
dict(id='b', name='name-b', bar='two')],
list(self.p.match({'bar': 'two'}))
)
def setUp(self):
self.store = TripleStore()
self.store.add_triples(('a', 'name', 'name-a'), ('b', 'name', 'name-b'),
('a', 'weight', 'weight-a'), ('b', 'size', 'size-b'))
self.p = OptionalGroup(Pattern(self.store, VariableExpression('id'), LiteralExpression('name'), VariableExpression('name')))