def test_mixed_addition(self):
five_bucks: Expression = Money.Dollar(5)
ten_flancs: Expression = Money.Franc(10)
bank: Bank = Bank()
bank.addRate("CHF", "USD", 2)
result: Money = bank.reduce(five_bucks.plus(ten_flancs), "USD")
self.assertEqual(Money.Dollar(10), result)
def test_sum_plus_money(self):
bank: Bank = Bank()
bank.addRate("CHF", "USD", 2)
sum: Expression = Sum(self.five_bucks,
self.ten_flancs).plus(self.five_bucks)
result: Money = bank.reduce(sum, "USD")
self.assertEqual(Money.Dollar(15), result)
class TestMoney(unittest.TestCase):
# Arrange --
five: Money = Money.Dollar(5)
five_bucks: Expression = Money.Dollar(5)
ten_flancs: Expression = Money.Franc(10)
# Action & Assertion --
def test_multiplication(self):
self.assertEqual(Money.Dollar(10), self.five.times(2))
self.assertEqual(Money.Dollar(15), self.five.times(3))
def test_equality(self):
self.assertEqual(Money.Dollar(5), Money.Dollar(5))
self.assertNotEqual(Money.Dollar(5), Money.Dollar(6))
self.assertNotEqual(Money.Franc(5), Money.Dollar(5))
def test_currency(self):
self.assertEqual('USD', Money.Dollar(1).currency)
self.assertEqual('CHF', Money.Franc(1).currency)
def test_simple_adddition(self):
sum: Expression = self.five.plus(self.five)
bank: Bank = Bank()
reduced: Money = bank.reduce(sum, 'USD')
self.assertEqual(Money.Dollar(10), reduced)
def test_plus_returns_sum(self):
result: Expression = self.five.plus(self.five)
sum: Sum = result
self.assertEqual(self.five, sum.augend)
self.assertEquals(self.five, sum.addend)
def test_reduce_sum(self):
sum: Expression = Sum(Money.Dollar(3), Money.Dollar(4))
bank: Bank = Bank()
result: Money = bank.reduce(sum, "USD")
self.assertEqual(Money.Dollar(7).amount, result.amount)
def test_reduce_money(self):
bank: Bank = Bank()
result: Money = bank.reduce(Money.Dollar(1), 'USD')
self.assertEqual(Money.Dollar(1), result)
def test_recuce_money_different_currency(self):
bank: Bank = Bank()
bank.addRate("CHF", "USD", 2)
result: Money = bank.reduce(Money.Franc(2), "USD")
self.assertEqual(Money.Dollar(1), result)
def test_identity_rate(self):
self.assertEqual(1, Bank().rate("USD", "USD"))
def test_mixed_addition(self):
five_bucks: Expression = Money.Dollar(5)
ten_flancs: Expression = Money.Franc(10)
bank: Bank = Bank()
bank.addRate("CHF", "USD", 2)
result: Money = bank.reduce(five_bucks.plus(ten_flancs), "USD")
self.assertEqual(Money.Dollar(10), result)
def test_sum_plus_money(self):
bank: Bank = Bank()
bank.addRate("CHF", "USD", 2)
sum: Expression = Sum(self.five_bucks,
self.ten_flancs).plus(self.five_bucks)
result: Money = bank.reduce(sum, "USD")
self.assertEqual(Money.Dollar(15), result)
def test_sum_times(self):
bank: Bank = Bank()
bank.addRate("CHF", "USD", 2)
sum: Expression = Sum(self.five_bucks, self.ten_flancs).times(2)
result: Money = bank.reduce(sum, "USD")
self.assertEqual(Money.Dollar(20), result)
def test_sum_reduce(self):
sum: Sum = Sum(self.five_bucks, self.ten_flancs)
self.assertFalse(sum.reduce(self.five_bucks, "USD"))
def test_reduce_money(self):
bank: Bank = Bank()
result: Money = bank.reduce(Money.Dollar(1), 'USD')
self.assertEqual(Money.Dollar(1), result)
def test_recuce_money_different_currency(self):
bank: Bank = Bank()
bank.addRate("CHF", "USD", 2)
result: Money = bank.reduce(Money.Franc(2), "USD")
self.assertEqual(Money.Dollar(1), result)
def test_reduce_sum(self):
sum: Expression = Sum(Money.Dollar(3), Money.Dollar(4))
bank: Bank = Bank()
result: Money = bank.reduce(sum, "USD")
self.assertEqual(Money.Dollar(7).amount, result.amount)
def test_simple_adddition(self):
sum: Expression = self.five.plus(self.five)
bank: Bank = Bank()
reduced: Money = bank.reduce(sum, 'USD')
self.assertEqual(Money.Dollar(10), reduced)
def test_currency(self):
self.assertEqual('USD', Money.Dollar(1).currency)
self.assertEqual('CHF', Money.Franc(1).currency)
def test_equality(self):
self.assertEqual(Money.Dollar(5), Money.Dollar(5))
self.assertNotEqual(Money.Dollar(5), Money.Dollar(6))
self.assertNotEqual(Money.Franc(5), Money.Dollar(5))
def test_multiplication(self):
self.assertEqual(Money.Dollar(10), self.five.times(2))
self.assertEqual(Money.Dollar(15), self.five.times(3))
