public void WhenCreatePaymentPlanWithValidOrderAmount_ShouldReturnValidPaymentPlanInstallmentAmounts(
decimal amount,
decimal firstInstallmentAmount,
decimal secondInstallmentAmount,
decimal thirdInstallmentAmount,
decimal fourthInstallmentAmount
)
{
// Arrange
var paymentPlanService = new PaymentPlanService();
// Act
var paymentPlan = paymentPlanService.CreatePaymentPlan(amount);
// Assert
paymentPlan.ShouldNotBeNull();
// Assert installment amounts
var installments = paymentPlan.Installments.ToArray();
installments.ToArray()[0].Amount.ShouldBe(firstInstallmentAmount);
installments.ToArray()[1].Amount.ShouldBe(secondInstallmentAmount);
installments.ToArray()[2].Amount.ShouldBe(thirdInstallmentAmount);
installments.ToArray()[3].Amount.ShouldBe(fourthInstallmentAmount);
}
public void WhenCreatePaymentPlanWithValidOrderAmount_ShouldReturnValidPaymentPlan()
{
// Arrange
var paymentPlanService = new PaymentPlanService();
// Act
var paymentPlan = paymentPlanService.CreatePaymentPlan((decimal)123.45);
// Assert
paymentPlan.ShouldNotBeNull();
}