def test_checks_whether_passed_product_id_matches_a_real_product(self):
basket = factories.create_basket()
product = basket.all_lines()[0].product
# Add more of the same product
data = {'quantity': -1}
form = forms.AddToBasketForm(basket=basket, product=product, data=data)
self.assertFalse(form.is_valid())
def test_allows_a_product_quantity_to_be_increased(self):
basket = factories.create_basket()
product = basket.all_lines()[0].product
# Add more of the same product
data = {'quantity': 1}
form = forms.AddToBasketForm(basket=basket, product=product, data=data)
self.assertTrue(form.is_valid())
def test_for_empty_price_excl_tax(self):
basket = factories.BasketFactory()
product_class = factories.ProductClassFactory(track_stock=False)
product = factories.ProductFactory(product_class=product_class, stockrecords=[])
factories.StockRecordFactory.build(price_excl_tax=None, product=product)
data = {'quantity': 1}
form = forms.AddToBasketForm(basket=basket, product=product, data=data)
self.assertFalse(form.is_valid())
self.assertEqual(form.errors['__all__'][0], 'unavailable')
def test_cannot_add_a_product_without_price(self):
basket = factories.BasketFactory()
product = factories.create_product(price=None)
data = {'quantity': 1}
form = forms.AddToBasketForm(basket=basket, product=product, data=data)
self.assertFalse(form.is_valid())
self.assertEqual(
form.errors['__all__'][0],
'This product cannot be added to the basket because a price '
'could not be determined for it.',
)
def test_mixed_currency_baskets_are_not_permitted(self):
# Ensure basket is one currency
basket = mock.Mock()
basket.currency = 'GBP'
basket.num_items = 1
# Ensure new product has different currency
info = mock.Mock()
info.price.currency = 'EUR'
basket.strategy.fetch_for_product = mock.Mock(return_value=info)
product = factories.ProductFactory()
data = {'quantity': 1}
form = forms.AddToBasketForm(basket=basket, product=product, data=data)
self.assertFalse(form.is_valid())
def test_checks_if_purchase_is_permitted(self):
basket = factories.BasketFactory()
product = factories.ProductFactory()
# Build a 4-level mock monster so we can force the return value of
# whether the product is available to buy. This is a serious code smell
# and needs to be remedied.
info = mock.Mock()
info.availability = mock.Mock()
info.availability.is_purchase_permitted = mock.Mock(
return_value=(False, "Not on your nelly!"))
basket.strategy.fetch_for_product = mock.Mock(return_value=info)
data = {'quantity': 1}
form = forms.AddToBasketForm(basket=basket, product=product, data=data)
self.assertFalse(form.is_valid())
self.assertEqual('Not on your nelly!', form.errors['__all__'][0])
def _get_basket_form(self, basket, product, data=None):
return forms.AddToBasketForm(basket=basket, product=product, data=data)