def test_balance_interpolate_future_rate(self):
rates = [Rate(self.base_date + timedelta(70), 0.003)]
output = UserAccount.balance_interpolate(
100, self.base_date, self.base_date + timedelta(60), rates)
self.assertEqual(output, 100)
def balance(as_of):
return UserAccount.balance_from_cashflows(
cashflows, [Rate(self.dt, interest_daily)], as_of)