def test_path(self):
n1 = SearchNode(problem=self.problem, state='i')
n2 = SearchNode(action='a', state='ia', parent=n1)
n3 = SearchNode(action='b', state='iab', parent=n2)
path = [(None, 'i'), ('a', 'ia'), ('b', 'iab')]
self.assertEqual(n3.path(), path)
def test_path(self):
n1 = SearchNode(problem=self.problem, state='i')
n2 = SearchNode(action='a', state='ia', parent=n1)
n3 = SearchNode(action='b', state='iab', parent=n2)
path = [(None, 'i'), ('a', 'ia'), ('b', 'iab')]
self.assertEquals(n3.path(), path)