使用 pytest 進行單元測試

Question

Define a pytest test method 'test_add_new_stock_as_dict', which adds the new stock {'iPhone Model X':50, 'Xiaomi Model Y': 2000, 'Nokia Model A':10} to the existing inventory, and update the balance_inventory attribute. Also, check if the updated balance_inventory equals {'iPhone Model X':150, 'Xiaomi Model Y': 3000, 'Nokia Model Z':25, 'Nokia Model A':10}.

我寫了這段代碼：

def test_add_new_stock_as_dict(self):
    self.inventory({'iPhone Model X': 50, 'Xiaomi Model Y': 2000, 'Nokia Model A': 10})
    assert self.inventory.balance_inventory == {'iPhone Model X': 150, 'Xiaomi Model Y': 3000, 'Nokia Model Z': 25, 'Nokia Model A': 10}  

但我收到一個錯誤：

TypeError: 'MobileInventory' object is not callable

我的錯誤在哪里，請提出建議。

Answer 1

您必須創建一個實例“庫存”作為

def setup_class():
    inventory=MobileInventory({'iPhone Model X':100, 'Xiaomi Model Y': 1000, 'Nokia 
              Model Z':25})