def test_mixed_addition():
five_dollars = Money.dollar(5)
ten_francs = Money.franc(10)
bank = Bank()
bank.add_rate("CHF", "USD", 2)
result = bank.reduce(five_dollars + ten_francs, "USD")
assert result == Money.dollar(10)
def test_mixed_addition(self):
five_bucks = Money.dollar(5)
ten_francs = Money.franc(10)
bank = Bank()
bank.add_rate('CHF', 'USD', 2)
result = bank.reduce(five_bucks.plus(ten_francs), 'USD')
self.assertTrue(result.equals(Money.dollar(10)))
def test_sum_times(self):
five_bucks = Money.dollar(5)
ten_francs = Money.franc(10)
bank = Bank()
bank.add_rate('CHF', 'USD', 2)
sum = Sum(five_bucks, ten_francs).times(2)
result = bank.reduce(sum, 'USD')
self.assertTrue(result.equals(Money.dollar(20)))
def test_sum_times():
five_dollars = Money.dollar(5)
ten_francs = Money.franc(10)
bank = Bank()
bank.add_rate("CHF", "USD", 2)
sum_ = Sum(five_dollars, ten_francs) * 2
result = bank.reduce(sum_, "USD")
assert result == Money.dollar(20)
def test_sum_plus_money(self):
five_bucks = Money.dollar(5)
ten_francs = Money.franc(10)
bank = Bank()
bank.add_rate('CHF', 'USD', 2)
sum = Sum(five_bucks, ten_francs).plus(five_bucks)
result = bank.reduce(sum, 'USD')
self.assertEqual(result, Money.dollar(15))
def test_simple_addition():
five: Money = Money.dollar(5)
# "sum" is a reserved keyword in Python, so everything that is named "sum"
# in the books example will be named "sum_" for consistencies sake
sum_ = five + five
bank = Bank()
reduced = bank.reduce(sum_, "USD")
assert reduced == Money.dollar(10)
def test_dollar_equality(self):
self.assertTrue(Money.dollar(42).equals(Money.dollar(42)))
def test_simple_addition(self):
five = Money.dollar(5)
sum = five.plus(five)
bank = Bank()
reduced = bank.reduce(sum, "USD")
self.assertEqual(reduced, Money.dollar(10))
def test_reduce_money_different_currency(self):
bank = Bank()
bank.add_rate('CHF', 'USD', 2)
result = bank.reduce(Money.franc(2), 'USD')
self.assertTrue(Money.dollar(1).equals(result))
def test_currency(self):
self.assertEqual(Money.dollar(1).currency(), 'USD')
self.assertEqual(Money.franc(1).currency(), 'CHF')
def test_plus_returns_sum(self):
five = Money.dollar(5)
sum = five.plus(five)
self.assertEqual(sum.augend, five)
self.assertEqual(sum.addend, five)
def test_reduce_money():
bank = Bank()
result = bank.reduce(Money.dollar(1), "USD")
assert result == Money.dollar(1)
def test_plus_returns_sum():
five = Money.dollar(5)
result = five + five
assert five == result.augend
assert five == result.addend
def test_multiplication():
five: Money = Money.dollar(5)
assert Money.dollar(10) == five * 2
assert Money.dollar(15) == five * 3
def test_dollar_multiplication(self):
six = Money.dollar(6)
self.assertTrue(Money.dollar(12).equals(six.times(2)))
self.assertTrue(Money.dollar(30).equals(six.times(5)))
def test_multiplication(self):
five = Money.dollar(5)
self.assertEqual(five.times(2), Money.dollar(10))
self.assertEqual(five.times(3), Money.dollar(15))
def test_reduce_money(self):
bank = Bank()
result = bank.reduce(Money.dollar(1), 'USD')
self.assertEqual(result, Money.dollar(1))
def test_reduce_sum(self):
sum = Sum(Money.dollar(3), Money.dollar(4))
bank = Bank()
result = bank.reduce(sum, 'USD')
self.assertEqual(result, Money.dollar(7))
def test_currency():
assert Money.dollar(1).currency == "USD"
assert Money.franc(1).currency == "CHF"
def test_dollar_inequality(self):
self.assertFalse(Money.dollar(42).equals(Money.dollar(69)))
def test_equality():
assert Money.dollar(5) == Money.dollar(5)
assert Money.dollar(5) != Money.dollar(6)
assert Money.dollar(5) != Money.franc(5)
def test_franc_dollar_inequality(self):
self.assertFalse(Money.franc(5).equals(Money.dollar(5)))
def test_reduce_sum():
sum_ = Sum(Money.dollar(3), Money.dollar(4))
bank = Bank()
result = bank.reduce(sum_, "USD")
assert result == Money.dollar(7)
def test_currency(self):
self.assertEqual('USD', Money.dollar(1).currency())
self.assertEqual('CHF', Money.franc(1).currency())
def test_reduce_money_different_currency():
bank = Bank()
bank.add_rate("CHF", "USD", 2)
result = bank.reduce(Money.franc(2), "USD")
assert result == Money.dollar(1)
def test_simple_addition(self):
sum = Sum(Money.dollar(3), Money.dollar(4))
bank = Bank()
reduced = bank.reduce(sum, 'USD')
self.assertTrue(reduced.equals(Money.dollar(7)))
def test_reduce_money(self):
bank = Bank()
result = bank.reduce(Money.dollar(1), 'USD')
self.assertTrue(Money.dollar(1).equals(result))
def test_equality(self):
self.assertEqual(Money.dollar(5), Money.dollar(5))
self.assertNotEqual(Money.dollar(5), Money.dollar(6))
self.assertNotEqual(Money.dollar(5), Money.franc(5))
