def testQuantity(self):
# test that quantity must be greater than zero
for quantity in [0, -1, -18]:
with self.assertRaises(ValidationError) as cm:
create_cart_item(quantity=quantity)
self.assertIn("Ensure this value is greater than or equal to 1", str(cm.exception))
# test that quantity defaults to 1
product = create_product()
ci = CartItem(product=product, cart_id=CartItem.generate_cart_id())
self.assertEqual(1, ci.quantity)
# test that the quantity cannot be nulled out
with self.assertRaises(ValidationError) as cm:
create_cart_item(quantity=None)
self.assertIn("This field cannot be null", str(cm.exception))
def create_cart_item(**kwargs):
cart_id = kwargs.pop('cart_id', None)
if not cart_id:
cart_id = CartItem.generate_cart_id()
product = kwargs.pop('product', None)
if not product:
product = create_product()
quantity = kwargs.pop('quantity', 1)
if len(kwargs) > 0:
raise Exception("Extra keyword args in create_cart_item: %s" % kwargs)
ci = CartItem(cart_id=cart_id, product=product, quantity=quantity)
ci.full_clean()
ci.save()
return ci
def testGenerateCartId(self):
for i in xrange(500):
cart_id = CartItem.generate_cart_id()
self.assertIsNotNone(cart_id)
self.assertEqual(50, len(cart_id))