public void Test_RoundToTheNearest()
{
IRepayment repaymentService = new RepaymentService(_lowLoanLender);
double number1 = 383.6789;
double number2 = 575.235764;
double number3 = 4765.235764;
number1 = repaymentService.RoundToTheNearest(number1, 1);
number2 = repaymentService.RoundToTheNearest(number2, 3);
number3 = repaymentService.RoundToTheNearest(number3, 2);
Assert.AreEqual(number1, 383.7);
Assert.AreEqual(number2, 575.236);
Assert.AreEqual(number3, 4765.24);
}
static void Main(string[] args)
{
try
{
IZopaPrintAndIO zopaPrintAndIOService = new ZopaPrintAndIOService();
IList <LenderData> lenderData = zopaPrintAndIOService.ReadCvsFile("market_data.txt");
/*
* new List<LenderData>
* {
* new LenderData {Available = 150, Lender = "Joe Blogs", Rate = (float) 0.052},
* new LenderData {Available = 230, Lender = "Martin Okello", Rate = (float) 0.022},
* new LenderData {Available = 650, Lender = "Joshua Lent", Rate = (float) 0.032}
* };*/
decimal loanAmountRequest = 1010;//decimal.Parse(args[1]);
var monthsDurationOfPayment = 36;
if (args.Length > 0)
{
lenderData = zopaPrintAndIOService.ReadCvsFile(args[0]);
loanAmountRequest = decimal.Parse(args[1]);
}
IZopaLoanPool zopaLoanService = new ZopaLoanPoolService(lenderData);
var canZopaSatisfy = zopaLoanService.CanZopaFulFillLoan(loanAmountRequest);
if (canZopaSatisfy)
{
ILowLoanLender lowLoanLenderService = new LowLenderService();
var lenderLowLenderSatisiyingList = lowLoanLenderService.GetLenderContributors(loanAmountRequest, lenderData);
IRepayment repaymentService = new RepaymentService(lowLoanLenderService);
var repaymentAmount = repaymentService.ComputeTotalRepaymentAmount(lenderLowLenderSatisiyingList);
var interestRate = repaymentService.ComputeTotalRateOfRepayment(lenderLowLenderSatisiyingList);
var monthlyPayments = repaymentService.ComputeMonthlyRepaymentAmount(lenderLowLenderSatisiyingList, monthsDurationOfPayment);
zopaPrintAndIOService.PrintLine((decimal)repaymentService.RoundToTheNearest((double)loanAmountRequest, 2), (double)repaymentService.RoundToTheNearest(interestRate, 1), (decimal)repaymentService.RoundToTheNearest((double)monthlyPayments, 2), (decimal)repaymentService.RoundToTheNearest((double)repaymentAmount, 2));
}
else
{
Console.Out.WriteLine(string.Format("Zopa cannot satisfy the loan request for £{0} Pounds",
loanAmountRequest));
}
}
catch (Exception ex)
{
Console.Out.WriteLine("Your data may be inadequate for the machine. check the Program inputs");
}
}
public void Test_ComputeTotalRepaymentAmount_Given_Lent_100()
{
_lenderData[0].AmountLent = 100;
_lenderData[1].AmountLent = 100;
_lenderData[2].AmountLent = 100;
IRepayment repaymentService = new RepaymentService(_lowLoanLender);
var repayable = (decimal)repaymentService.RoundToTheNearest((double)repaymentService.ComputeTotalRepaymentAmount(_lenderData), 2);
Assert.AreEqual(repayable, (decimal)310.6);
}
public void Test_ComputeMonthlyRepaymentAmount_Given_Lent_100_repayable_18_months()
{
_lenderData[0].AmountLent = 100;
_lenderData[1].AmountLent = 100;
_lenderData[2].AmountLent = 100;
IRepayment repaymentService = new RepaymentService(_lowLoanLender);
var monthlyRepayments = (decimal)repaymentService.RoundToTheNearest((double)repaymentService.ComputeMonthlyRepaymentAmount(_lenderData, 18), 2);
Assert.AreEqual(monthlyRepayments, (decimal)17.26);
}
public void Test_ComputeAmountRepayable_Given_Lent_100()
{
_lenderData[0].AmountLent = 100;
_lenderData[1].AmountLent = 100;
_lenderData[2].AmountLent = 100;
IRepayment repaymentJobeBlogs = new RepaymentService(_lowLoanLender);
IRepayment repaymentMartinOkello = new RepaymentService(_lowLoanLender);
IRepayment repaymentJoshuaLent = new RepaymentService(_lowLoanLender);
var repayableJB = (decimal)repaymentJobeBlogs.RoundToTheNearest((double)repaymentJobeBlogs.ComputeAmountRepayable(_lenderData[0]), 2);
var repayableMO = (decimal)repaymentMartinOkello.RoundToTheNearest((double)repaymentMartinOkello.ComputeAmountRepayable(_lenderData[1]), 2);
var repayableJL = (decimal)repaymentJoshuaLent.RoundToTheNearest((double)repaymentJoshuaLent.ComputeAmountRepayable(_lenderData[2]), 2);
Assert.AreEqual(repayableJB, (decimal)105.2);
Assert.AreEqual(repayableMO, (decimal)102.2);
Assert.AreEqual(repayableJL, (decimal)103.2);
}
