def test_add_node_to_parent_equal_node(self):
bt = BinaryTree()
node = Node(4)
bt._add_node_to_parent(node, 4)
self.assertEqual(4, node.right_child.value)
self.assertEqual(None, node.left_child)
def test_add_node_to_parent_equal_node(self):
bt = BinaryTree()
node = Node(4)
bt._add_node_to_parent(node, 4)
self.assertEqual(4, node.right_child.value)
self.assertEqual(None, node.left_child)
