def test_replace_cart_line_form(cart, product): variant = product.variants.get() initial_quantity = 1 replaced_quantity = 4 add_variant_to_cart(cart, variant, initial_quantity) data = {'quantity': replaced_quantity} form = forms.ReplaceCartLineForm(data=data, cart=cart, variant=variant) assert form.is_valid() form.save() assert cart.quantity == replaced_quantity
def test_replace_cartline_form_when_insufficient_stock(monkeypatch, cart, product): variant = product.variants.get() initial_quantity = 1 replaced_quantity = 4 add_variant_to_cart(cart, variant, initial_quantity) exception_mock = InsufficientStock(Mock(quantity_available=2)) monkeypatch.setattr('saleor.product.models.ProductVariant.check_quantity', Mock(side_effect=exception_mock)) data = {'quantity': replaced_quantity} form = forms.ReplaceCartLineForm(data=data, cart=cart, variant=variant) assert not form.is_valid() with pytest.raises(KeyError): form.save() assert cart.quantity == initial_quantity