def test_dollar_amount_str_adds_commas_to_thousands():
"""
Asserts that the returned string includes commas between
thousands.
"""
amount = money.DollarAmount('123456')
assert str(amount) == '$123,456.00'
def test_dollar_amount_str():
"""
Asserts that the str() of DollarAmount renders a friendly,
readable value
"""
amount = money.DollarAmount('55.2')
assert str(amount) == '$55.20'
def test_dollar_amount_repr():
"""
Asserts that the repr() of DollarAmount can be used to
construct an identical object.
"""
amount = money.DollarAmount('9.9')
expected = "DollarAmount('9.9')"
assert repr(amount) == expected
def test_get_balance_returns_the_sum_of_inserted_coins():
"""
Given each type of coin is inserted, a dollar amount of 3.40
should be returned.
"""
machine = VendingMachine()
machine.insert_coin(money.Toonie())
machine.insert_coin(money.Loonie())
machine.insert_coin(money.Quarter())
machine.insert_coin(money.TenCent())
machine.insert_coin(money.FiveCent())
assert machine.get_balance() == money.DollarAmount('3.40')
class OneCent(money.Coin):
"""One cent coin."""
value = money.DollarAmount('0.01')