def test_or_false_true(self):
true = AtLeastOne(Uri('http://example.eg/predicate', None))
false = AtLeastOne(Uri('http://test.eg/#notthere', None))
conjunction = Or(false, true)
triples = list(self.pack.triples)
conjunction.run(self.pack)
self.assertEqual(triples, self.pack.triples)
def test_and_false_true(self):
true = AtLeastOne(Uri('http://example.eg/predicate', None))
false = AtLeastOne(Uri('http://test.eg/#notthere', None))
conjunction = And(false, true)
triples = list(self.pack.triples)
with self.assertRaises(ExtensionError):
conjunction.run(self.pack)
self.assertEqual(triples, self.pack.triples)
def test_at_least_one(self):
triples = list(self.pack.triples)
with self.assertRaises(CardinalityError):
ext = AtLeastOne(Uri('http://test.eg/#notthere'))
ext.run(self.pack)
ext = AtLeastOne(Uri('http://example.eg/predicate'))
ext.run(self.pack)
self.assertEqual(triples, self.pack.triples)
def test_and_true_true(self):
true = AtLeastOne(Uri('http://example.eg/predicate', None))
conjunction = And(true, true)
triples = list(self.pack.triples)
conjunction.run(self.pack)
self.assertEqual(triples, self.pack.triples)
def test_or_false_false(self):
false = AtLeastOne(Uri('http://test.eg/#notthere', None))
conjunction = Or(false, false)
triples = list(self.pack.triples)
with self.assertRaises(ExtensionError):
conjunction.run(self.pack)
self.assertEqual(triples, self.pack.triples)