static void Main(string[] args)
{
int loanTerm = 36;
int numberOfPaymentsPerYear = 12;
var fileReader = new FileReader();
var inputIsValid = new InputValidator(fileReader).IsInputValid(args);
if (!inputIsValid)
{
Console.WriteLine("The provided filename or the loan amount is invalid!");
Console.WriteLine("Ex.: cmd> quote.exe [market_file] [loan_amount]");
Console.WriteLine("Please press a button to exit");
Console.ReadLine();
Environment.Exit(1);
}
var fileName = args[0];
int loanAmount = int.Parse(args[1]);
LendersManager lendersMgr = new LendersManager(fileReader, new Calculator(), fileName);
var quote = lendersMgr.GetBestQuote(loanAmount, loanTerm, numberOfPaymentsPerYear);
quote.Print(Console.Write);
Console.ReadLine();
}
public void Load_InputFileNotSuccessfullyLoaded_MissingData_Test()
{
//Arrange
var loanAmount = 1000;
var loanTerm = 36;
var numberOfPaymentsPerYear = 12;
string fileContent =
@"Lender,Rate,Available
Bob,0.075,6400
Jane,0.069,480
Fred,0.070,5200
Mary,0.104,1700
John,0.081,3200
Dave,0.074,
Angela,0.069,600";
fileReaderMock.Setup(foo => foo.ReadLines("test.csv")).Returns(fileContent.Split(new string[] { Environment.NewLine }, StringSplitOptions.None));
var lendersMgr = new LendersManager(fileReaderMock.Object, new Calculator(), "test.csv");
//Act
var result = lendersMgr.GetBestQuote(loanAmount, loanTerm, numberOfPaymentsPerYear);
//Assert
Assert.AreEqual("Error in the lenders file or the requested loan amount: \n\r Input string was not in a correct format.", result.ErrorMessage);
Assert.AreEqual(true, result.HasError);
}
public void Load_InputFileHasNoHeader_ThereforeSkippingBestOffer_Test()
{
//Arrange
var loanAmount = 1000;
var loanTerm = 36;
var numberOfPaymentsPerYear = 12;
string fileContent =
@"Bob,0.070,6400
Jane,0.069,480
Fred,0.078,5200
Mary,0.104,1700
John,0.081,3200
Dave,0.074,444
Angela,0.069,600";
fileReaderMock.Setup(foo => foo.ReadLines("test.csv")).Returns(fileContent.Split(new string[] { Environment.NewLine }, StringSplitOptions.None));
var lendersMgr = new LendersManager(fileReaderMock.Object, new Calculator(), "test.csv");
//Act
var result = lendersMgr.GetBestQuote(loanAmount, loanTerm, numberOfPaymentsPerYear);
//Assert
Assert.AreEqual(1000, result.LoanAmount);
Assert.AreEqual(36, result.LoanTerm);
Assert.AreEqual(31.12, Math.Round(result.MonthlyRepayment, 2));
Assert.AreEqual(0.078, result.Rate);
}
public void GetBestQuote_NoLenderWasFound_Test()
{
//Arrange
var loanAmount = 1000;
var loanTerm = 36;
var numberOfPaymentsPerYear = 12;
string fileContent =
@"Lender,Rate,Available
Bob,0.075,640
Jane,0.069,480
Fred,0.070,520
Mary,0.104,170
John,0.081,320
Dave,0.074,344
Angela,0.069,600";
fileReaderMock.Setup(foo => foo.ReadLines("test.csv")).Returns(fileContent.Split(new string[] { Environment.NewLine }, StringSplitOptions.None));
var lendersMgr = new LendersManager(fileReaderMock.Object, new Calculator(), "test.csv");
//Act
var result = lendersMgr.GetBestQuote(loanAmount, loanTerm, numberOfPaymentsPerYear);
//Assert
Assert.AreEqual("Error in the lenders file or the requested loan amount: \n\r It is not possible to provide a quote at this time!", result.ErrorMessage);
Assert.AreEqual(true, result.HasError);
}