public void GeneratePayslipForEmployee_TestData2_ReturnExpectedData()
{
//Arrange
var mockTaxCalculator = new Mock <ITaxCalculatorService>();
mockTaxCalculator.Setup(tc => tc.CalculateIncomeTax(It.IsAny <int>(), Enums.CalculationFrequency.Monthly)).Returns(2696);
IPayslipService _payslipService = new PayslipService(mockTaxCalculator.Object);
var data = new EmployeeInformation()
{
EmployeeFirstName = "Ryan",
EmployeeLastName = "Chen",
AnnualSalary = 120000,
PayslipFrequency = Enums.CalculationFrequency.Monthly,
SuperRate = 10,
PayPeriod = "01 Mar-31 Mar"
};
var expectedResult = new PayslipInfo()
{
Name = "Ryan Chen",
GrossIncome = 10000,
IncomeTax = 2696,
Super = 1000,
PayPeriod = "01 Mar-31 Mar"
};
//Act
var payslip = _payslipService.GeneratePayslipForEmployee(data);
//Assert
Assert.AreEqual(expectedResult.NetIncome, payslip.NetIncome);
Assert.AreEqual(expectedResult.ToString(), payslip.ToString());
}
public void Init()
{
_loggerMock = new Mock <ILogger <PayslipService> >();
//_loggerMock.Setup(x => x.LogTrace(It.IsAny<int>(), It.IsAny<string>(), It.IsAny<object[]>())).Verifiable();
//_loggerMock.Setup(x => x.LogError(It.IsAny<int>(), It.IsAny<string>(), It.IsAny<object[]>())).Verifiable();
_payslipService = new PayslipService(null, _loggerMock.Object);
}
public void PayslipService_MissingTaxBraketForIncome_ThrowsException()
{
var payslipRequest = GetMockRequestData();
var taxSettings = new TaxSettings()
{
TaxRates = new List <TaxRates>()
{
new TaxRates()
{
ApplyFrom = null, ApplyTo = new DateTime(2015, 9, 30), TaxBrackets = new List <TaxBracket>()
{
new TaxBracket()
{
Base = 0, FromIncome = 0, ToIncome = 110000, TaxPerDollar = 0.10m
},
new TaxBracket()
{
Base = 11000, FromIncome = 125000, ToIncome = null, TaxPerDollar = 0.20m
}
}
},
new TaxRates()
{
ApplyFrom = new DateTime(2015, 10, 1), ApplyTo = null, TaxBrackets = new List <TaxBracket>()
{
new TaxBracket()
{
Base = 0, FromIncome = 0, ToIncome = 110000, TaxPerDollar = 0.10m
},
new TaxBracket()
{
Base = 11000, FromIncome = 110000, ToIncome = null, TaxPerDollar = 0.20m
}
}
},
}
};
_payslipService = new PayslipService(taxSettings, _loggerMock.Object);
var response = _payslipService.GeneratePayslip(payslipRequest);
}
static void Main(string[] args)
{
Console.WriteLine("Welcome to payslip app. Please enter file name to process");
var inputFileName = Console.ReadLine();
if (File.Exists(inputFileName))
{
var service = new PayslipService(
new EmployeeDetailRepo(inputFileName), new TaxCalculater());
var payslips = service.GeneratePayslips();
PrintPayslips(payslips);
}
else
{
Console.WriteLine("Sorry file does not exist");
}
Console.WriteLine();
Console.WriteLine("Please press enter to exit");
Console.ReadLine();
}
public void GeneratePayslipSuccesfully()
{
var repo = new Mock <IEmployeeDetailRepo>();
repo.Setup(x => x.ReadAllEmployeeDetails()).Returns(new EmployeeDetailModel[] { inputEmployee1, inputEmployee2 });
var taxCalculater = new Mock <ITaxCalculater>();
taxCalculater.Setup(x => x.CalculateIncomeTax(inputEmployee2.AnnualSalary)).Returns(payslip2.IncomeTax * PayslipService.NumberOfMonthInYear);
var service = new PayslipService(repo.Object, taxCalculater.Object);
var payslips = service.GeneratePayslips();
var payslipsArray = payslips.ToArray();
Assert.IsTrue(payslipsArray.Length == 2 &&
payslipsArray[1].Name == payslip2.Name &&
payslipsArray[1].Payperiod == payslip2.Payperiod &&
payslipsArray[1].GrossIncome == payslip2.GrossIncome &&
payslipsArray[1].IncomeTax == payslip2.IncomeTax &&
payslipsArray[1].NetIncome == payslip2.NetIncome &&
payslipsArray[1].Super == payslip2.Super);
}
public void GeneratePayslipForEmployee_TestInvalidData_ReturnsNullForPayslip()
{
//Arrange
var mockTaxCalculator = new Mock <ITaxCalculatorService>();
IPayslipService _payslipService = new PayslipService(mockTaxCalculator.Object);
var data = new EmployeeInformation()
{
EmployeeFirstName = "David",
EmployeeLastName = "Rudd",
AnnualSalary = 60050,
PayslipFrequency = Enums.CalculationFrequency.Monthly,
SuperRate = 52, // << Invalid
PayPeriod = "01 Jan-31 Jan"
};
//Act
var payslip = _payslipService.GeneratePayslipForEmployee(data);
//Assert
Assert.IsNull(payslip);
}
public void GenerateCsvTest()
{
var payslipService = new PayslipService();
Assert.AreEqual(0, payslipService.TaxBrackets[0].MinSalary); //Tests that the correct parameters are being passed to the tax calculation logic.////////
Assert.AreEqual(18200, payslipService.TaxBrackets[0].MaxSalary);// //
Assert.AreEqual(0, payslipService.TaxBrackets[0].BaseTax);// //
Assert.AreEqual(0, payslipService.TaxBrackets[0].MarginalRate);// //
Assert.AreEqual(18201, payslipService.TaxBrackets[1].MinSalary);// //
Assert.AreEqual(37000, payslipService.TaxBrackets[1].MaxSalary);// //
Assert.AreEqual(0, payslipService.TaxBrackets[1].BaseTax);// //
Assert.AreEqual(0.19m, payslipService.TaxBrackets[1].MarginalRate);// //
Assert.AreEqual(37001, payslipService.TaxBrackets[2].MinSalary);// //
Assert.AreEqual(80000, payslipService.TaxBrackets[2].MaxSalary);// //
Assert.AreEqual(3572, payslipService.TaxBrackets[2].BaseTax);// //
Assert.AreEqual(0.325m, payslipService.TaxBrackets[2].MarginalRate);// //
Assert.AreEqual(80001, payslipService.TaxBrackets[3].MinSalary);// //
Assert.AreEqual(180000, payslipService.TaxBrackets[3].MaxSalary);// //
Assert.AreEqual(17547, payslipService.TaxBrackets[3].BaseTax);// //
Assert.AreEqual(0.37m, payslipService.TaxBrackets[3].MarginalRate);// //
Assert.AreEqual(180001, payslipService.TaxBrackets[4].MinSalary);// //
Assert.AreEqual(2147483647, payslipService.TaxBrackets[4].MaxSalary);// //
Assert.AreEqual(54547, payslipService.TaxBrackets[4].BaseTax);// //
Assert.AreEqual(0.45m, payslipService.TaxBrackets[4].MarginalRate);////////////////////////////////////////////////////////////////////////////////////
var feedbackMessage = payslipService.GenerateCsv();
Assert.IsFalse(feedbackMessage.Contains(PayslipService.ErrorPrefix), feedbackMessage);
var inputExists = File.Exists(payslipService.InputFileName);
var outputExists = File.Exists(payslipService.OutputFileName);
Assert.IsTrue(!inputExists ^ outputExists);
if (outputExists)
{
using (var reader = File.OpenText(payslipService.OutputFileName))
{
var output = new CsvReader(reader);
var payslips = output.GetRecords<Payslip>();
var foundDavidRudd = false;
var foundRyanChen = false;
foreach (var payslip in payslips) //Tests the logic of the income tax calculation. The logic is exactly the same code for each tax bracket.
{
if (payslip.Name == "David Rudd")
{
foundDavidRudd = true;
Assert.AreEqual("01 March – 31 March", payslip.PayPeriod);
Assert.AreEqual(5004, payslip.GrossIncome);
Assert.AreEqual(922, payslip.IncomeTax);
Assert.AreEqual(4082, payslip.NetIncome);
Assert.AreEqual(450, payslip.Super);
}
else if (payslip.Name == "Ryan Chen")
{
foundRyanChen = true;
Assert.AreEqual("01 March – 31 March", payslip.PayPeriod);
Assert.AreEqual(10000, payslip.GrossIncome);
Assert.AreEqual(2696, payslip.IncomeTax);
Assert.AreEqual(7304, payslip.NetIncome);
Assert.AreEqual(1000, payslip.Super);
}
Assert.IsTrue
(
payslip.GrossIncome < 0 ^ payslip.NetIncome >= 0,
"Income tax " + payslip.IncomeTax + " exceeds gross income " + payslip.GrossIncome
);
}
Assert.AreEqual(true, foundDavidRudd);
Assert.AreEqual(true, foundRyanChen);
}
}
}
public EmployeeController()
{
this._payslip = new PayslipService(FINENCIAL_YEAR);
}
