def test_adding_multiple_products(self):
c = Cart()
p1 = Product(fake.ean13(), round(random.random(), 2))
p2 = Product(fake.ean13(), round(random.random(), 2))
c.add_products([p1, p2])
assert c.products_count == 2
assert c.calculate_total() == p1.price + p2.price
def test_clearing_cart(self):
c = Cart()
p1 = Product(fake.ean13(), round(random.random(), 2))
p2 = Product(fake.ean13(), round(random.random(), 2))
c.add_products([p1, p2])
c.clear()
assert c.products_count == 0
def test_calculate_with_discount(self):
c = Cart()
p1 = Product(fake.ean13(), round(random.random(), 2))
p2 = Product(fake.ean13(), round(random.random(), 2))
c.add_products([p1, p2])
c.apply_discount('XYZ123')
actual_price = c.calculate_total()
expected_price = (p1.price + p2.price) * 0.8
assert actual_price == expected_price
def single_product():
return Product(fake.ean13(), round(random.random(), 2))
def test_adding_more_than_10_products_to_empty_cart(self):
c = Cart()
products = [Product(fake.ean13(), round(random.random(), 2)) for _ in range(11)]
with pytest.raises(NoSpaceInCartError):
c.add_products(products)
def test_adding_10_products_to_empty_cart(self):
c = Cart()
products = [Product(fake.ean13(), round(random.random(), 2)) for _ in range(10)]
c.add_products(products)
assert c.products_count == 10
def test_product_price(self):
p = Product('Black Dress', 99.99)
assert p.price == 99.99
def test_product_name(self):
p = Product('Black Dress', 99.99)
assert p.name == 'Black Dress'