def test_mixed_addition(self, money):
five_bucks = money.dollar(5)
ten_francs = money.franc(10)
bank = Bank()
bank.addRate("CHF", "USD", 2)
result = bank.reduce(five_bucks.plus(ten_francs), "USD")
assert money.dollar(10) == result
def test_TotalTimes(self, money):
five_bucks = money.dollar(5)
ten_francs = money.franc(10)
bank = Bank()
bank.addRate("CHF", "USD", 2)
summation = Summation(five_bucks, ten_francs).times(2)
result = bank.reduce(summation, "USD")
assert money.dollar(20) == result
def test_ReduceMoneyDifferentCurrency(self):
bank = Bank()
bank.addRate("CHF", "USD", 2)
result = bank.reduce(Money.franc(2), "USD")
assert Money.dollar(1) == result