public void ComputeNPVsTest()
{
// Arrange
var npvService = new NpvService();
// Act
var sut = npvService.ComputeNPVs(-1000, 2, 3, 0.25m, new List <decimal>
{
100,
200,
300
});
// Assert
Assert.Empty(sut.Errors);
Assert.Equal(572.96967229798493791980460004m, sut.Data[0].PresentValueOfExpectedCashflows); //expected values should be computed manually
Assert.Equal(-427.03032770201506208019539996m, sut.Data[0].NetPresentValue);
Assert.Equal(569.72259420480266217938283399m, sut.Data[1].PresentValueOfExpectedCashflows);
Assert.Equal(-430.27740579519733782061716601m, sut.Data[1].NetPresentValue);
Assert.Equal(566.50367812422918994210763048m, sut.Data[2].PresentValueOfExpectedCashflows);
Assert.Equal(-433.49632187577081005789236952m, sut.Data[2].NetPresentValue);
Assert.Equal(563.31260451425982957437409626m, sut.Data[3].PresentValueOfExpectedCashflows);
Assert.Equal(-436.68739548574017042562590374m, sut.Data[3].NetPresentValue);
Assert.Equal(560.14905827347544263114208763m, sut.Data[4].PresentValueOfExpectedCashflows);
Assert.Equal(-439.85094172652455736885791237m, sut.Data[4].NetPresentValue);
}
public void ComputeNPVs_UpperLowerBoundValidation_Test()
{
// Arrange
var npvService = new NpvService();
// Act
var sut = npvService.ComputeNPVs(-1000, 2, 1, 0.25m, new List <decimal>());
// Assert
Assert.NotEmpty(sut.Errors);
Assert.Equal(sut.Errors[0].Code, ErrorCodes.NPVServiceError006);
}
public void ComputeNPV_ValidationCheck_Test()
{
// Arrange
var npvService = new NpvService();
// Act
var sut = npvService.ComputeNPV(1000, -1, new List <decimal>());
// Assert
Assert.NotEmpty(sut.Errors);
Assert.Equal(sut.Errors[0].Code, ErrorCodes.NPVServiceError001);
Assert.Equal(sut.Errors[1].Code, ErrorCodes.NPVServiceError002);
Assert.Equal(sut.Errors[2].Code, ErrorCodes.NPVServiceError004);
}
public void ValidateNPVInputs_Test()
{
// Arrange
var npvService = new NpvService();
// Act
var sut = npvService.ValidateNPVInputs(1000, -1, new List <decimal>(), -0.25m);
// Assert
Assert.NotEmpty(sut);
Assert.Equal(sut[0].Code, ErrorCodes.NPVServiceError001);
Assert.Equal(sut[1].Code, ErrorCodes.NPVServiceError002);
Assert.Equal(sut[2].Code, ErrorCodes.NPVServiceError003);
Assert.Equal(sut[3].Code, ErrorCodes.NPVServiceError004);
}
public void ComputeNPVTest()
{
// Arrange
var npvService = new NpvService();
// Act
var sut = npvService.ComputeNPV(-1000, 2, new List <decimal>
{
100,
200,
300
});
// Assert
Assert.Empty(sut.Errors);
Assert.Equal(572.96967229798493791980460004m, sut.PresentValueOfExpectedCashflows); //expected values should be computed manually
Assert.Equal(-427.03032770201506208019539996m, sut.NetPresentValue); //expected values should be computed manually
}
public NpvController()
{
this.service = new NpvService();
}
