class BSTTest(unittest.TestCase):
def setUp(self):
self.bst = BST()
# node0 = BinarySearchTreeNode(1)
# node1 = BinarySearchTreeNode(2)
# node2 = BinarySearchTreeNode(3)
# node3 = BinarySearchTreeNode(4)
# node4 = BinarySearchTreeNode(5)
# self.bst.insert(node0)
# self.bst.insert(node4)
# self.bst.insert(node2)
# self.bst.insert(node1)
# self.bst.insert(node3)
self.bst.insert(Node(3))
self.bst.insert(Node(7))
self.bst.insert(Node(1))
self.bst.insert(Node(5))
# self.bst.print_in_order()
def test_is_valid(self):
self.assertEqual(True, self.bst.is_valid())
