def test_user(self):
item_shorts = Item(name='shorts', price=20, description='Some nice shorts')
item_tshirt = Item(name='tshirt', price=15, description='A nice t-shirt')
item_vest = Item(name='vest', price=15, description='A nice vest')
user = User('Mike')
self.assertIsInstance(user, User)
cart5 = Cart()
cart5.add_item(item_shorts, 2)
cart5.add_item(item_tshirt, 3)
cart5.add_item(item_vest, 1)
user.add_cart(cart5)
retrieved_cart5 = user.get_cart_by_id(cart_id=cart5.cart_id)
self.assertIsInstance(retrieved_cart5, Cart)
shorts = retrieved_cart5.get_item('shorts')
self.assertEqual(shorts['num_items'], 2)
cart6 = Cart()
cart6.add_item(item_shorts, 1)
cart6.add_item(item_tshirt, 2)
cart6.add_item(item_vest, 3)
user.add_cart(cart6)
retrieved_cart6 = user.get_cart_by_id(cart_id=cart6.cart_id)
self.assertIsInstance(retrieved_cart6, Cart)
vest = retrieved_cart6.get_item('vest')
self.assertEqual(vest['num_items'], 3)
cart5_vest = retrieved_cart5.get_item('vest')
self.assertEqual(cart5_vest['num_items'], 1)
self.assertFalse(retrieved_cart5.get_item('pants'))
def main():
item_shorts = Item(name='shorts', price=10, description='Some nice shorts')
item_tshirt = Item(name='tshirt', price=20, description='A nice t-shirt')
item_pants = Item(name='pants', price=30, description='Lovely pants')
# create user
user = User('Eric')
# create a new cart
cart = Cart()
user.add_cart(cart)
# Eric does some shopping
cart.add_item(item_shorts, 4)
cart.add_item(item_tshirt, 2)
cart.add_item(item_pants, 3)
# we want to display his cart
retrieved_cart = user.get_cart_by_id(cart_id=cart.cart_id)
print(retrieved_cart)
pants = retrieved_cart.get_item('pants')
print(pants)
cart2 = Cart()
cart2.add_item(item_shorts, 1)
cart2.add_item(item_tshirt, 2)
cart2.add_item(item_pants, 3)
user.add_cart(cart2)
retrieved_cart2 = user.get_cart_by_id(cart_id=2)
tshirt = retrieved_cart2.get_item('tshirt')
print(tshirt)
tshirt_total = cart2.get_item_total('tshirt')
print(tshirt_total)
