def test_add_multiple_products(self):
""" Add multiple products to an existing cart """
cart = Shopcart(1, [{"pid": 1, "quantity": 1}])
cart.save()
cart.add_products([{
"pid": 1,
"quantity": 2
}, {
"pid": 2,
"quantity": 4
}])
self.assertEqual(len(cart.products), 2)
self.assertEqual(cart.products[0].quantity, 3)
self.assertEqual(cart.products[1].quantity, 4)
def test_add_products_with_invalid_type(self):
""" Try to add multiple products not as a dict """
cart = Shopcart(1)
with self.assertRaises(DataValidationError):
cart.add_products([(1, 2), (2, 4)])