def test_node_hashing(self):
node_1 = Node()
node_1.id = 1234
node_2 = Node()
node_2.id = 1234
node_3 = Node()
node_3.id = 5678
assert hash(node_1) == hash(node_2)
assert hash(node_1) != hash(node_3)
def test_node_equality(self):
node_1 = Node()
node_1.id = 1234
node_2 = Node()
node_2.id = 1234
node_3 = Node()
node_3.id = 5678
assert node_1 == node_2
assert node_1 != node_3
assert node_1 != "this is not a node"
