class CartEmptinessTestCase(TestCase):
def setUp(self):
self.cart = Cart()
def test_is_empty_without_items(self):
self.assertTrue(self.cart.is_empty())
def test_is_empty_with_one_item(self):
self.add_item(1)
self.assertFalse(self.cart.is_empty())
def test_is_empty_with_multiple_items(self):
self.add_item(3)
self.add_item(1)
self.add_item(6)
self.assertFalse(self.cart.is_empty())
# helpers
def add_item(self, quantity):
item = self.create_item(quantity)
self.cart.add_item(item)
def create_item(self, quantity):
article = create_article()
return CartItem(article, quantity)
def setUp(self):
self.cart = Cart()
