def test_empty_tree():
tree = BinaryTree()
new_tree = fizz_buzz_tree(tree)
assert new_tree.root == None
def test_fizz_buzz7_samevalue(my_tree):
tree_test = my_tree
new_tree = fizz_buzz_tree(tree_test)
assert new_tree.root.right.right.left.value == "7"
def test_fizz_buzz15_samevalue(my_tree):
tree_test = my_tree
new_tree = fizz_buzz_tree(tree_test)
assert new_tree.root.left.left.left.value == "FizzBuzz"
def test_fizz_buzz5(my_tree):
tree_test = my_tree
new_tree = fizz_buzz_tree(tree_test)
assert new_tree.root.right.right.value == "Buzz"
def test_fizz_buzz23(my_tree):
tree_test = my_tree
new_tree = fizz_buzz_tree(tree_test)
assert new_tree.root.left.left.value == "23"
def test_fizz_buzz6(my_tree):
tree_test = my_tree
new_tree = fizz_buzz_tree(tree_test)
assert new_tree.root.value == "Fizz"