def testSimpleAddition(self):
#sum = Money.dollar(5).plus(Money.dollar(5))
five = Money.dollar(5)
sum = five.plus(five)
bank = Bank()
reduced = bank.reduce(sum, "USD")
self.assertEqual(Money.dollar(10), reduced)
def testMultiplication(self):
five = Money.dollar(5)
self.assertEqual(Money.dollar(10), five.times(2))
self.assertEqual(Money.dollar(15), five.times(3))
def testPlusReturnsSum(self):
five = Money.dollar(5)
result = five.plus(five)
def testCurrency(self):
self.assertEqual(Money.dollar(1).currency, "USD")
self.assertEqual(Money.franc(1).currency, "CHF")
def testEquality(self):
self.assertNotEqual(Money.franc(5), Money.dollar(5))
def testDollarEquality(self):
self.assertEqual(Money.dollar(5), Money.dollar(5))
self.assertNotEqual(Money.dollar(5), Money.dollar(6))
