def test_simple_override(self, items): # TODO
# Given: Price 'InWallSwitch' increase 5 -> 10 €
with_increased_inwallswitch_price = {'InWallSwitch': 10}
# When: Calculating price
calculator = CostCalculator(PRICES,
(with_increased_inwallswitch_price, ))
result = calculator.cost(items)
# Then: Total is increase of the corresponding ammount
assert result['total'] == 85 # 80 + 5 € increase
def test_override_two_times(self, items): # TODO
# Given: Price 'InWallSwitch' is overrided 2 times
first_override = {'InWallSwitch': 10} # 5 € increase
second_override = {'InWallSwitch': 30} # 25 € increase
# When: Calculating price
calculator = CostCalculator(PRICES,
(first_override, second_override))
result = calculator.cost(items)
# Then: Total is based on the last override
assert result['total'] == 105 # 80 + 25 € increase
def test_override_inexisting(self, items): # TODO
# Given: 'BulbColor' price absent from base price, but present in override
base_prices = PRICES.copy()
base_prices.pop('BulbColor')
assert 'BulbColor' not in base_prices
override_with_bulbcolor_price = {
'BulbColor': 155 # 100 € more than original pricehl
}
# When: Calculating price
calculator = CostCalculator(base_prices,
(override_with_bulbcolor_price, ))
result = calculator.cost(items)
# Then: Total is based on the correct price
assert result['total'] == 180 # 80 + 100 € increase
def calculator(self):
calculator = CostCalculator(PRICES)
return calculator