def test_binary_tree_search(self):
b = BinaryTree(key=5)
b.extend([2, 4, 6, 8, 10])
b.insert(7, 'Test')
self.assertEquals('Test', b.search(7))
def test_binary_tree_insert(self):
b = BinaryTree(key=5)
b.insert(1)
b.insert(8)
self.assertEquals('(5, None) -> ((1, None) -> (-, -), (8, None) -> (-, -))', str(b))
