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testMoney.py
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testMoney.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
import unittest
from Money import Money
from Bank import Bank
from Money import Sum
class testMoney(unittest.TestCase):
def testMultiplication(self):
five = Money.doller(5)
self.assertEqual(Money.doller(10), five.times(2))
self.assertEqual(Money.doller(15), five.times(3))
def testCurrency(self):
self.assertEqual("USD", Money.doller(1).currency)
self.assertEqual("CHF", Money.franc(1).currency)
def testEquality(self):
self.assertTrue(Money.doller(5) == Money.doller(5))
self.assertTrue(Money.doller(5) != Money.doller(6))
self.assertTrue(Money.doller(5) != Money.franc(5))
def testReduceSum(self):
sum = Sum(Money.doller(3), Money.doller(4))
bank = Bank()
result = bank.reduce(sum, "USD")
self.assertEqual(Money.doller(7), result)
def testReduceMoney(self):
bank = Bank()
result = bank.reduce(Money.doller(1), "USD")
self.assertEquals(Money.doller(1), result)
def testReduceMoneyDifferentCurrency(self):
bank = Bank()
bank.addRate("CHF", "USD", 2)
result = bank.reduce(Money.franc(2), "USD")
self.assertEquals(Money.doller(1), result)
def testIdentityRate(self):
bank = Bank()
self.assertEquals(1, bank.rate("USD", "USD"))
def testSimpleAddition(self):
five = Money.doller(5)
sum = five + five
bank = Bank()
reduced = bank.reduce(sum, "USD")
self.assertEqual(Money.doller(10), reduced)
def testPlusReturnsSum(self):
five = Money.doller(5)
sum = five + five
self.assertEquals(five, sum.augend)
self.assertEquals(five, sum.addend)
def testMixedAddition(self):
fiveBucks = Money.doller(5)
tenFrancs = Money.franc(10)
bank = Bank()
bank.addRate("CHF", "USD", 2)
result = bank.reduce(fiveBucks + tenFrancs, "USD")
self.assertEquals(Money.doller(10), result)
def testSumPlusMoney(self):
fiveBucks = Money.doller(5)
tenFrancs = Money.franc(10)
bank = Bank()
bank.addRate("CHF", "USD", 2)
sum = Sum(fiveBucks, tenFrancs) + fiveBucks
result = bank.reduce(sum, "USD")
self.assertEquals(Money.doller(15), result)
def testSumTimes(self):
fiveBucks = Money.doller(5)
tenFrancs = Money.franc(10)
bank = Bank()
bank.addRate("CHF", "USD", 2)
sum = Sum(fiveBucks, tenFrancs).times(2)
result = bank.reduce(sum, "USD")
self.assertEquals(Money.doller(20), result)
def testPlusSameCurrencyReturnMoney(self):
oneBuck1 = Money.doller(1)
oneBuck2 = Money.doller(1)
sum = oneBuck1 + oneBuck2
self.assertTrue(isinstance(sum, Sum))
if __name__ == '__main__':
suite = unittest.TestLoader().loadTestsFromTestCase(testMoney)
unittest.TextTestRunner(verbosity=1).run(suite)