def test_calculate_total_two(self):
pricer = BasketPricer([], [], [])
pricer.basket_catalogue = [
{
"name": "Baked Beans",
"quantity": 2,
"price": 0.99,
"total": 1.98,
"discount": 5.00,
},
{
"name": "Biscuits",
"quantity": 1,
"price": 1.20,
"total": 1.20,
},
{
"name": "Sardines",
"quantity": 2,
"price": 1.89,
"total": 3.78,
"discount": 0.95,
},
]
pricer.calculate_totals()
expected = {"sub-total": 6.96, "discount": 5.95, "total": 4.03}
self.assertEqual(expected, pricer.pricer)
def test_combines_basket_with_non_existant_catalogue_prices(self):
pricer = BasketPricer([{
"name": "Foo",
"quantity": 10
}], self.catalogue, {})
pricer.basket_catalogue_calc()
expected = [{"name": "Foo", "quantity": 10}]
self.assertEqual(expected, pricer.basket_catalogue)
def test_return_value(self):
pricer = BasketPricer([], [], {})
results = pricer.handle()
expected = {"sub-total": 0.00, "discount": 0.00, "total": 0.00}
self.assertEqual(expected, results)
self.assertEqual([], pricer.basket_catalogue)
def test_basket_offers_calculator(self):
basket = [{
"name": "Sardines",
"quantity": 10,
"price": 1.89,
"total": 18.90
}]
pricer = BasketPricer(basket, self.catalogue, self.offers)
pricer.basket_offers_calc()
self.assertEqual(4.72, pricer.basket_catalogue[0]["discount"])
def test_combines_basket_with_single_catalogue_prices(self):
pricer = BasketPricer([{
"name": "Sardines",
"quantity": 10
}], self.catalogue, {})
pricer.basket_catalogue_calc()
expected = [{
"name": "Sardines",
"quantity": 10,
"price": 1.89,
"total": 18.90
}]
self.assertEqual(expected, pricer.basket_catalogue)
def test_combines_default_basket_with_catalogue_prices(self):
pricer = BasketPricer(self.basket_one, self.catalogue, {})
pricer.basket_catalogue_calc()
expected = [
{
"name": "Baked Beans",
"quantity": 4,
"price": 0.99,
"total": 3.96
},
{
"name": "Biscuits",
"quantity": 1,
"price": 1.20,
"total": 1.20
},
]
self.assertEqual(expected, pricer.basket_catalogue)
def test_calculate_total_one(self):
pricer = BasketPricer([], [], [])
pricer.basket_catalogue = [
{
"name": "Baked Beans",
"quantity": 4,
"price": 0.99,
"total": 3.96,
"discount": 0.99,
},
{
"name": "Biscuits",
"quantity": 1,
"price": 1.20,
"total": 1.20,
"discount": 0.00,
},
]
pricer.calculate_totals()
expected = {"sub-total": 5.16, "discount": 0.99, "total": 4.17}
self.assertEqual(expected, pricer.pricer)
catalogue = {
"apple": 0.37,
"banana": 1.27,
"doge": 10000,
}
offers = {
"apple": "3get1",
"banana": "2for1",
"doge": "33%",
}
invalid_offers = {
"apple": "2get3",
}
# Initilize pricer
test_pricer = BasketPricer(basket, catalogue, offers)
# Execute pricer (prints the amounts)
test_pricer()
# Access amounts separately
print(
f"{test_pricer.sub_total} | {test_pricer.discount} | {test_pricer.total}\n"
)
# Replace basket
test_pricer.basket = second_basket
test_pricer()
# Provide invalid discount
test_pricer.DCN_TYP_REGEXPS = {
"X_GET_Y": re.compile(r"^(.*)$"),
}
# Raises exception