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MoneyTest.py
58 lines (46 loc) · 1.83 KB
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MoneyTest.py
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import unittest
from Money import *
class MoneyTest(unittest.TestCase):
def test_multiplication(self):
d = Money.dollar(5)
f = Money.franc(5)
# test dollar multiplication
self.assertEqual(Money(10, "USD"), d.times(2))
self.assertEqual(Money(15, "USD"), d.times(3))
# test franc multiplication
self.assertEqual(Money(15, "CHF"), f.times(3))
self.assertEqual(Money(10, "CHF"), f.times(2))
def test_equality(self):
# test money equality
self.assertTrue(Money(5, "USD").__eq__(Money.dollar(5)))
self.assertFalse(Money(5, "USD").__eq__(Money.dollar(15)))
self.assertFalse(Money.franc(5).__eq__(Money.dollar(5)))
def testCurrency(self):
self.assertEqual("USD", Money(1, "USD").getCurrency())
self.assertEqual("CHF", Money(1, "CHF").getCurrency())
def testPlusReturnSum(self):
five = Money.dollar(5)
sum = five.plus(five)
self.assertEqual(five, sum.aged)
self.assertEqual(five, sum.addend)
def testReduceSum(self):
sum = Sum(Money.dollar(3), Money.dollar(4))
bank = Bank()
result = bank.reduce(sum, "USD")
self.assertEqual(Money.dollar(7), result)
def testSimpleAdd(self):
five = Money.dollar(5)
sum = five.plus(five)
self.assertEqual(five, sum.aged)
self.assertEqual(five, sum.addend)
def testReduceMoney(self):
bank = Bank()
result = bank.reduce(Money.dollar(1), "USD")
self.assertEqual(Money.dollar(1), result)
def testReduceMoneyDifferentCurrency(self):
bank = Bank()
bank.addRate("CHF", "USD", 2)
result = bank.reduce(Money.franc(2), "USD")
self.assertEqual(Money.dollar(1), result)
def testIdentityRate(self):
self.assertEqual(1, Bank().rate("USD", "USD"))