/// <summary>
/// Calculate the maturity value for policy.
/// </summary>
/// <param name="policyDetails"></param>
/// <param name="managementFee"></param>
/// <returns>List of maturity details</returns>
public List <MaturityDetail> Calculate(List <PolicyDetail> policyDetails, Dictionary <PolicyType, double> managementFee)
{
if (policyDetails == null || !policyDetails.Any())
{
// Throws a exception when maturity data's input are not available and we can log the exception here for future use.
throw new ArgumentNullException("Maturity data's input are not available.");
}
List <MaturityDetail> output = new List <MaturityDetail>();
policyDetails.ForEach(data =>
{
MaturityDetail result = new MaturityDetail();
result.PolicyNumber = data.Id;
// Method to verify the bonus applicable for the policy based on policy number, membership, policy start date.
double bonus = ApplyDiscretionaryBonus(data.Type, data.Membership, data.PolicyStartDate, data.DiscretionaryBonus);
// Calculating the maturity value for the policy.
result.MaturityValue = CalculateMaturityValue(data.Premiums, managementFee[data.Type], data.UpliftPercentage, bonus);
// Adding the maturity data to the list.
output.Add(result);
});
return(output);
}
public void CalculateMaturity_WithOnePolicyDetailsTypeB_Verify_MaturityDetails()
{
var mockPolicyFactory = new Mock <IPolicyFactory>();
var mockFileReader = new Mock <IFileReader>();
var mockFileWriter = new Mock <IFileWriter>();
var mockMaturityCalculator = new Mock <IMaturityCalculator>();
policyManagement = new PolicyManagement.Implementation.PolicyManagement(mockPolicyFactory.Object, mockFileReader.Object, mockFileWriter.Object);
var policyDetails = new List <PolicyDetail>()
{
new PolicyDetail {
PolicyNumber = "B1000001", TotalPremiums = 2000, Membership = false
}
};
var maturityDetail = new MaturityDetail {
PolicyNumber = "B1000001", MaturityValue = 20000
};
mockPolicyFactory.Setup(policyFactory => policyFactory.Create("B")).Returns(mockMaturityCalculator.Object);
mockMaturityCalculator.Setup(maturityCalculator => maturityCalculator.CalculateMaturity(It.IsAny <PolicyDetail>())).Returns(maturityDetail);
var maturityDetails = policyManagement.GetMaturityDetails(policyDetails);
Assert.IsNotNull(maturityDetails);
Assert.AreEqual(1, maturityDetails.Count);
Assert.AreEqual("B1000001", maturityDetails[0].PolicyNumber);
Assert.AreEqual(20000, maturityDetails[0].MaturityValue);
}
public void CalculateMaturity_Calcualte_ThrowsException_Expect_ExceptionCaught()
{
var mockPolicyFactory = new Mock <IPolicyFactory>();
var mockMaturityCalculator = new Mock <IMaturityCalculator>();
var mockFileReader = new Mock <IFileReader>();
var mockFileWriter = new Mock <IFileWriter>();
policyManagement = new PolicyManagement.Implementation.PolicyManagement(mockPolicyFactory.Object, mockFileReader.Object, mockFileWriter.Object);
var policyDetails = new List <PolicyDetail>()
{
new PolicyDetail {
PolicyNumber = "B1000001", TotalPremiums = 2000, Membership = false
}
};
var maturityDetail = new MaturityDetail {
PolicyNumber = "B1000001", MaturityValue = 20000
};
mockPolicyFactory.Setup(policyFactory => policyFactory.Create("B")).Returns(mockMaturityCalculator.Object);
mockMaturityCalculator.Setup(maturityCalculator => maturityCalculator.CalculateMaturity(It.IsAny <PolicyDetail>())).Throws(new Exception());
var maturityDetails = policyManagement.GetMaturityDetails(policyDetails);
}
