public void ShouldReturnCorrectAmountToRefundAgainstPaidInstallments()
{
SetupPaymentService();
var paymentPlan = new PaymentPlan(_userId, 100, ThirPartyPaymentAPIMock, 4);
var firstInstallment = paymentPlan.FirstInstallment();
paymentPlan.MakePayment(25, firstInstallment.Id);
//Unclear on purpose of the return value
var cashRefundAmount = paymentPlan.ApplyRefund(new Refund(Guid.NewGuid().ToString(), 100));
cashRefundAmount.Should().Be(25);
paymentPlan.OustandingBalance().Should().Be(0);
}
public void WhenAttemptingASecondRefundShouldThrow()
{
var paymentPlan = new PaymentPlan(100, 4);
var firstInstallment = paymentPlan.FirstInstallment();
paymentPlan.MakePayment(25, firstInstallment.Id);
Refund refund = new Refund(Guid.NewGuid().ToString(), 100);
paymentPlan.ApplyRefund(refund);
Assert.Throws <Exception>(() => {
paymentPlan.ApplyRefund(refund);
});
}
public void AmountPastDueIsReturnedForDefaultedStatuses()
{
SetupPaymentService();
var paymentPlan = new PaymentPlan(_userId, 100, ThirPartyPaymentAPIMock, 4);
var firstInstallment = paymentPlan.FirstInstallment();
paymentPlan.MakePayment(25, firstInstallment.Id);
SetupPaymentServiceToDefault();
var secondInstallment = paymentPlan.NextInstallment();
paymentPlan.MakePayment(25, secondInstallment.Id);
var amountPastDue = paymentPlan.AmountPastDue(Today().AddMonths(3));
Assert.Equal(75, amountPastDue);
}