def test_multibuy_eight_item_buy_5_2_free(self):
'''Correct line total for item with 8 quantity (buy 5 get 2 free).'''
product_store = self._create_product_store()
multibuy_apples = MultiBuyOffer('apple', 5, 2)
cartitem = CartItem('apple', 8)
self.assertEqual(multibuy_apples.calculate_line_total(
cartitem, product_store), Decimal('0.90'))
def test_bogof_one_item_six_quantity(self):
'''Correct line total for item with 6 quantity.'''
product_store = self._create_product_store()
bogof_apples = MultiBuyOffer('apple', 1, 1)
cartitem = CartItem('apple', 6)
self.assertEqual(bogof_apples.calculate_line_total(
cartitem, product_store), Decimal('0.45'))
def test_multibuy_seven_item_buy_2_1_free(self):
'''Correct line total for item with 7 quantity (buy 2 get 1 free).'''
product_store = self._create_product_store()
multibuy_apples = MultiBuyOffer('apple', 2, 1)
cartitem = CartItem('apple', 7)
self.assertEqual(multibuy_apples.calculate_line_total(
cartitem, product_store), Decimal('0.75'))
def test_bogof_one_item_six_quantity(self):
'''Correct line total for item with 6 quantity.'''
product_store = self._create_product_store()
bogof_apples = MultiBuyOffer('apple', 1, 1)
cartitem = CartItem('apple', 6)
self.assertEqual(
round(bogof_apples.calculate_line_total(cartitem, product_store),
2), float('0.45'))
def test_bogof_one_item_two_quantity(self):
"""
Buy one get one free correct line total for item with 2 quantity.
"""
product_store = self._create_product_store()
bogof_blueberries = MultiBuyOffer("blueberries", 1, 1)
basketitem = BasketItem("blueberries", 2)
self.assertEqual(bogof_blueberries.calculate_line_total(basketitem, product_store), Decimal("2.00"))
def test_multibuy_one_item_buy_2_1_free(self):
"""
Buy two get one free correct line total for item with 1 quantity.
"""
product_store = self._create_product_store()
bogof_blueberries = MultiBuyOffer("blueberries", 2, 1)
basketitem = BasketItem("blueberries")
self.assertEqual(bogof_blueberries.calculate_line_total(basketitem, product_store), Decimal("2.00"))
def test_multibuy_eight_item_buy_5_2_free(self):
'''Correct line total for item with 8 quantity (buy 5 get 2 free).'''
product_store = self._create_product_store()
multibuy_apples = MultiBuyOffer('apple', 5, 2)
cartitem = CartItem('apple', 8)
self.assertEqual(
multibuy_apples.calculate_line_total(cartitem, product_store),
Decimal('0.90'))
def test_multibuy_seven_item_buy_2_1_free(self):
'''Correct line total for item with 7 quantity (buy 2 get 1 free).'''
product_store = self._create_product_store()
multibuy_apples = MultiBuyOffer('apple', 2, 1)
cartitem = CartItem('apple', 7)
self.assertEqual(
multibuy_apples.calculate_line_total(cartitem, product_store),
Decimal('0.75'))
def test_bogof_one_item_five_quantity(self):
'''Correct line total for item with 5 quantity.'''
product_store = self._create_product_store()
bogof_apples = MultiBuyOffer('apple', 1, 1)
cartitem = CartItem('apple', 5)
self.assertEqual(
bogof_apples.calculate_line_total(cartitem, product_store),
Decimal('0.45'))
def test_multibuy_seven_item_buy_5_2_free(self):
'''Correct line total for item with 7 quantity (buy 5 get 2 free).'''
product_store = self._create_product_store()
multibuy_apples = MultiBuyOffer('apple', 5, 2)
cartitem = CartItem('apple', 7)
self.assertEqual(
round(
multibuy_apples.calculate_line_total(cartitem, product_store),
2), float('0.75'))
def test_multibuy_six_item_buy_2_1_free(self):
'''Correct line total for item with 6 quantity (buy 2 get 1 free).'''
product_store = self._create_product_store()
multibuy_apples = MultiBuyOffer('apple', 2, 1)
cartitem = CartItem('apple', 6)
self.assertEqual(
round(
multibuy_apples.calculate_line_total(cartitem, product_store),
2), float('0.60'))
def test_get_total_with_one_offer(self):
'''Cart get_total returns correct value with a bogof offer applied.'''
product_store = self._create_product_store()
bogof_kitkat = MultiBuyOffer('kitkat', 1, 1)
cart = Cart(product_store)
cart.add('kitkat', 2)
cart.add('apple')
self.assertEqual(cart.get_total(offers=[bogof_kitkat]), float('0.85'))
def test_get_total_with_one_offer(self):
'''Cart get_total returns correct value with a bogof offer applied.'''
product_store = self._create_product_store()
bogof_strawberries = MultiBuyOffer('strawberries', 1, 1)
cart = Cart(product_store)
cart.add('strawberries', 2)
cart.add('apple')
self.assertEqual(cart.get_total(offers=[bogof_strawberries]),
Decimal('2.15'))
def test_get_total_with_one_offer(self):
"""
Basket get_total returns correct value with a bogof offer applied.
"""
product_store = self._create_product_store()
bogof_blueberries = MultiBuyOffer("blueberries", 1, 1)
basket = Basket(product_store)
basket.add("blueberries", 2)
basket.add("fish")
self.assertEqual(basket.get_total(offers=[bogof_blueberries]), Decimal('5.20'))
def test_get_total_with_two_offers_on_same_target(self):
'''Cart get_total returns cheapest total when two offers are
applicable for the same target.'''
product_store = self._create_product_store()
bogof_kitkat = MultiBuyOffer('kitkat', 1, 1)
kitkat_apple_20_discount = DependentDiscountOffer(
'kitkat', 'apple', float('0.2'))
cart = Cart(product_store)
cart.add('kitkat', 2)
cart.add('apple')
self.assertEqual(
cart.get_total(offers=[bogof_kitkat, kitkat_apple_20_discount]),
float('0.85'))
def test_get_total_with_two_offers_on_same_target(self):
'''Cart get_total returns cheapest total when two offers are
applicable for the same target.'''
product_store = self._create_product_store()
bogof_strawberries = MultiBuyOffer('strawberries', 1, 1)
strawberries_apple_20_discount = DependentDiscountOffer(
'strawberries', 'apple', Decimal('0.2'))
cart = Cart(product_store)
cart.add('strawberries', 2)
cart.add('apple')
self.assertEqual(
cart.get_total(
offers=[bogof_strawberries, strawberries_apple_20_discount]),
Decimal('2.15'))