def total_special_items(self):
unique_products = {item for item in self.special_items}
for item in unique_products:
if item.special_details['specialType'] == 'basic unit discount':
self.total += specials.basic_unit_discount(self, item.name)
elif item.special_details['specialType'] == 'buy some get some':
self.total += specials.buy_some_get_some(self, item.name)
elif item.special_details['specialType'] == 'buy some for amount':
self.total += specials.buy_some_for_amount(self, item.name)
def test_buy_some_for_amount__should_buy_three_for_five_with_one_extra(
self, mock_special):
item_name = 'soap'
special_details = {
'specialType': 'buy some for amount',
'buyAmount': 3,
'dollarAmount': 5,
'limit': 2
}
mock_special.return_value = special_details
actual = specials.buy_some_for_amount(self.cart, item_name)
assert actual == 7.49
def test_buy_some_for_amount__should_buy_three_for_five_twice_with_two_extra_due_to_limit_of_two(
self, mock_special):
self.cart.special_items += [self.soap, self.soap, self.soap, self.soap]
item_name = 'soap'
special_details = {
'specialType': 'buy some for amount',
'buyAmount': 3,
'dollarAmount': 5,
'limit': 2
}
mock_special.return_value = special_details
actual = specials.buy_some_for_amount(self.cart, item_name)
assert actual == 14.98