def test_remove_dart(self): a = Vertex("a") b = Vertex("b") a.add_dart(b, 1) # Remove the dart a.remove_dart(b) self.assertFalse(a.is_neighbor(b))
def test_is_neighbor(self): a = Vertex("a") b = Vertex("b") a.add_dart(b, 1) self.assertTrue(a.is_neighbor(b)) self.assertFalse(b.is_neighbor(a))