def test_get_customer_info(self):
customers = Customers()
customer_1 = Customer("001","jack", 0, [])
customers.add_customer(customer_1)
self.assertEqual(customers.dictionary, {'001': ['jack', 0, []]})
self.assertEqual(customers.get_customer_rented("001"), 0)
self.assertEqual(customers.get_customer_rentedArray("001"), [])
def test_add_customer(self):
customers = Customers()
customer_1 = Customer("001","jack", 0, [])
customer_2 = Customer("002","jack2", 0, [])
customers.add_customer(customer_1)
customers.add_customer(customer_2)
self.assertEqual(len(customers.dictionary), 2)