public void Test_Calculate_Tax_Procedure_Checks_And_Returns_Error_Message_If_Data_Is_Not_Valid()
{
/// Arrange
var expectedEmployees = new List <Employee>
{
DataHelper.GetEmployeeA(),
DataHelper.GetEmployeeB(),
DataHelper.GetEmployeeC()
};
var expectedTaxForEmployees = new List <EmployeeTax>
{
DataHelper.GetTaxForEmployeeA(),
DataHelper.GetTaxForEmployeeA()
};
this._taxCalculatorService.Setup(p => p.Calculate(DataHelper.GetEmployeeA(), Constants.TaxYear)).Returns(DataHelper.GetTaxForEmployeeA());
/// Act
var viewModel = new EmployeeViewModel(this._employeeService.Object, this._taxCalculatorService.Object);
viewModel.CalculateTaxForEmployees(expectedEmployees, Constants.TaxYear);
/// Assert
Assert.AreNotEqual(viewModel.ErrorMessage, string.Empty);
Assert.IsFalse(viewModel.IsAllDataValid);
Assert.AreEqual(viewModel.ErrorMessage, InvalidInput);
this._taxCalculatorService.Verify(p => p.Calculate(It.IsAny <Employee>(), It.IsAny <int>()), Times.AtLeastOnce);
this._employeeService.VerifyAll();
}
public void Test_Calculate_Tax_Calculates_All_Tax_details_Successfully()
{
/// Arrange
var expectedEmployees = new List <Employee>
{
DataHelper.GetEmployeeA()
};
var expectedTaxForEmployees = new List <EmployeeTax>
{
DataHelper.GetTaxForEmployeeA()
};
this._taxCalculatorService.Setup(p => p.Calculate(It.IsAny <Employee>(), It.IsAny <int>())).Returns(DataHelper.GetTaxForEmployeeA());
/// Act
var viewModel = new EmployeeViewModel(this._employeeService.Object, this._taxCalculatorService.Object);
var actual = viewModel.CalculateTaxForEmployees(expectedEmployees, Constants.TaxYear);
/// Assert
Assert.AreEqual(viewModel.ErrorMessage, string.Empty);
Assert.IsTrue(viewModel.IsAllDataValid);
Assert.AreEqual(expectedTaxForEmployees.Count, actual.Count);
Assert.AreEqual(expectedTaxForEmployees[0].GrossIncome, actual[0].GrossIncome);
Assert.AreEqual(expectedTaxForEmployees[0].NetIncome, actual[0].NetIncome);
Assert.AreEqual(expectedTaxForEmployees[0].IncomeTax, actual[0].IncomeTax);
Assert.AreEqual(expectedTaxForEmployees[0].SuperAmount, actual[0].SuperAmount);
Assert.AreEqual(expectedTaxForEmployees[0].PayPeriod, actual[0].PayPeriod);
Assert.AreEqual(expectedTaxForEmployees[0].EmployeeName, actual[0].EmployeeName);
this._taxCalculatorService.Verify(p => p.Calculate(It.IsAny <Employee>(), It.IsAny <int>()), Times.Once);
this._employeeService.VerifyAll();
this._taxCalculatorService.VerifyAll();
}
