def test_return_desired_value(): tree = BinaryTree() node1 = Node(1) node2 = Node(3) node3 = Node(5) node1.left = node2 node1.right = node3 tree.root = node1 actual = tree.find_max_value() expected = 5 assert actual == expected
def test_nothing_in_tree(): tree = BinaryTree() actual = tree.find_max_value() expected = None assert actual == expected