python练习3| 测试类

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#shopping_list.py
class ShoppingList:
    #shopping_list是一个字典结构
    def __init__(self,shopping_list):
        self.shopping_list = shopping_list
    def get_item_count(self):
        return len(self.shopping_list)
    def get_total_price(self):
        total_price = 0
        for price in self.shopping_list.values():
            total_price += price
            return total_price

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#test测试类
import unittest
from shopping_list import ShoppingList
class TestShoppingLit:
    def setUp(self):
        self.shopping_list = ShoppingList({"纸巾":8,"帽子":30,"拖鞋":15})
    def test_get_item_count(self):
        self.assertEqual(self.shopping_list.get_item_count(),3)
    def test_get_total_price(self):
        self.assertEqual(self.shopping_list.get_total_price(),53)