def test_can_add_items_of_the_same_type_into_basket(self):
baked_beans = Item("Baked Beans", 0.99)
basket = Basket()
basket.add_items(baked_beans, 4)
basket.add_items(baked_beans, 1)
self.assertEqual(basket.items,{baked_beans: 5})
def setUp(self):
"""Define the catalogue of items and basket"""
self.baked_beans = Item("Baked Beans", 0.99)
self.biscuits = Item("Biscuits", 1.20)
self.sardines = Item("Sardines", 1.89)
self.shampoo_small = Item("Shampoo (Small)", 2.00)
self.shampoo_medium = Item("Shampoo (Medium)", 2.50)
self.shampoo_large = Item("Shampoo (Large)", 3.50)
self.basket = Basket()
self.catalogue = CatalogueRepository()
def setUp(self):
"""Define the catalogue of items, basket and current offers"""
self.baked_beans = Item("Baked Beans", 0.99)
self.biscuits = Item("Biscuits", 1.20)
self.sardines = Item("Sardines", 1.89)
self.shampoo_small = Item("Shampoo (Small)", 2.00)
self.shampoo_medium = Item("Shampoo (Medium)", 2.50)
self.shampoo_large = Item("Shampoo (Large)", 3.50)
self.basket = Basket()
self.many_of_type_offer = {"Baked Beans" : 3}
self.percentage_offer = {"Sardines" : 0.25}
self.cheapest_item_offer = [["Shampoo (Small)", "Shampoo (Medium)", "Shampoo (Large)"]]
self.users_offer = Offer(self.basket.items)
self.cost = BasketCostCalculator(self.basket)
def test_can_create_item_with_positive_price(self):
price = 0.01
baked_beans = Item("Baked Beans", price)
self.assertIsInstance(baked_beans, Item)
def test_cannot_add_unavailable_items_into_basket(self):
baked_beans = Item("Baked Beans", 0.99)
baked_beans.set_out_of_stock()
basket = Basket()
self.assertRaises(ItemOutOfStockException, basket.add_items, baked_beans, 1)
def test_can_insert_items_into_empty_basket(self):
baked_beans = Item("Baked Beans", 0.99)
basket = Basket()
basket.add_items(baked_beans, 4)
self.assertEqual(basket.items,{baked_beans: 4})
def test_cannot_create_item_with_zero_price(self):
price = 0
with self.assertRaises(NegativePriceDetectedException) as error:
Item("Baked Beans", price)
self.assertEqual('the price of the item should be a positive number', str(error.exception))