def main(bundles, products, cart):
"""Calculates the applicable discount given a list of discount bundle,
a list of product and the products in the cart
"""
with open(bundles) as f:
discount_bundles = list(json.load(f))
with open(products) as f:
products_list = list(json.load(f))
click.echo(
"The total discount is: "
+ str(compute_discount(discount_bundles, products_list, cart))
+ "€"
)
def test_same_products_match_more_than_one_bundle(self):
cart = "FAWCD-2035,RIMYD-0243,VYVLA-7385"
total_discount = compute_discount(self.discount_bundles,
self.products_list, cart)
self.assertEqual(total_discount, 44.35)
def test_bundle_composed_from_same_element(self):
cart = "AQKQX-3571,FAWCD-2035"
total_discount = compute_discount(self.discount_bundles,
self.products_list, cart)
self.assertEqual(total_discount, 83.18)
def test_no_bundle_match(self):
cart = "LNIAL-8393,JSVVX-8355,EAZKL-0112,EAZKL-0112"
total_discount = compute_discount(self.discount_bundles,
self.products_list, cart)
self.assertEqual(total_discount, 0)
def test_six_products_without_bundle_match(self):
cart = "BMZZN-7122,OVVUK-8951,OWHEM-6595,HWYZJ-0056,FTGBE-9666,MOWIB-2747"
total_discount = compute_discount(self.discount_bundles,
self.products_list, cart)
self.assertEqual(total_discount, 21.07)
def test_different_order_single_bundle_match(self):
cart = "UGSXO-1999,HWKAM-9680"
total_discount = compute_discount(self.discount_bundles,
self.products_list, cart)
self.assertEqual(total_discount, 46.77)
def test_incorrect_parameter_type(self):
with self.assertRaises(TypeError):
compute_discount(self.discount_bundles, self.products_list,
["LNIAL-8393,JSVVX-8355"])
def test_void_cart(self):
cart = ""
total_discount = compute_discount(self.discount_bundles,
self.products_list, cart)
self.assertEqual(total_discount, 0)
def test_void_product_list(self):
cart = "ABC"
total_discount = compute_discount(self.discount_bundles, [], cart)
self.assertEqual(total_discount, 0)
def test_void_bundle(self):
cart = "ABC"
total_discount = compute_discount([], self.products_list, cart)
self.assertEqual(total_discount, 0)