def test_update():
pizza = Pizza(['pepperoni', 'small', ['chicken', 'olives']])
assert pizza.get_size() == 'small'
pizza.update([-1, 'medium', -1])
assert pizza.get_size() == 'medium'
pizza = Pizza(['vegetarian', 'medium', ['beef', 'olives']])
assert pizza.get_type() == 'vegetarian'
pizza.update(['pepperoni', -1, -1])
assert pizza.get_type() == 'pepperoni'
pizza = Pizza(['vegetarian', 'small', ['chicken', 'beef']])
assert pizza.get_toppings() == ['chicken', 'beef']
pizza.update([-1, -1, ['olives']])
assert pizza.get_toppings() == ['olives']
pizza = Pizza(['pepperoni', 'small', ['chicken', 'olives']])
assert not pizza.update([-1, 'invalid', -1])
pizza = Pizza(['vegetarian', 'medium', ['beef', 'olives']])
assert not pizza.update(['invalid', -1, -1])
pizza = Pizza(['vegetarian', 'small', ['chicken', 'beef']])
assert not pizza.update([-1, -1, 'invalid'])
def test_get_toppings():
pizza = Pizza(['pepperoni', 'small', ['chicken', 'olives']])
assert pizza.get_toppings() == ['chicken', 'olives']
pizza = Pizza(['vegetarian', 'medium', ['beef', 'olives']])
assert pizza.get_toppings() == ['beef', 'olives']