class MoneyClassTest(unittest.TestCase):
def setUp(self):
self.twenty_euro = Money(20, 'EUR')
def test_convert_euro_to_usd(self):
twenty_usd = self.twenty_euro.to_usd()
self.assertIsInstance(twenty_usd, Money)
self.assertEqual('USD', twenty_usd.currency)
self.assertEqual(21.8, twenty_usd.amount)
def test_convert_euro_to_brl(self):
twenty_brl = self.twenty_euro.to_brl()
self.assertIsInstance(twenty_brl, Money)
self.assertEqual('BRL', twenty_brl.currency)
self.assertEqual(85, twenty_brl.amount)
def test_invalid_method_pattern_call(self):
with self.assertRaises(AttributeError):
twenty_brl = self.twenty_euro.batman()
def test_sum_operation_between_eur_and_dollar(self):
fifty_eur = Money(50, 'EUR')
twenty_dollars = Money(20, 'USD')
money = fifty_eur + twenty_dollars
self.assertEqual(money.amount, 68.2)
self.assertEqual(money.currency, 'EUR')
# test if a new object is returned
self.assertNotEqual(id(fifty_eur), id(money))
def test_sum_operation_between_dollar_and_eur(self):
fifty_eur = Money(50, 'EUR')
twenty_dollars = Money(20, 'USD')
money = twenty_dollars + fifty_eur
self.assertEqual(money.amount, 74.5)
self.assertEqual(money.currency, 'USD')
# test if a new object is returned
self.assertNotEqual(id(fifty_eur), id(money))
def setUp(self):
self.twenty_euro = Money(20, 'EUR')
