public ActionResult CalculateOhm(BandColorModel model)
{
int result;
try
{
if (Convert.ToInt32(model.Band) == 3)
{
OhmValuCalculator = new Svc.Calculate3BandOhmValue();
}
// Since the given interface is only supports 4 bands. Hence both 4 and 5 bands will have
// same behaviour as the tolerance cannot be passed
else if (Convert.ToInt32(model.Band) == 4 || Convert.ToInt32(model.Band) == 5)
{
OhmValuCalculator = new Svc.Calculate4BandOhmValue();
}
result = OhmValuCalculator.CalculateOhmValue(model.BandAColor, model.BandBColor, model.BandCColor, model.BandDColor);
}
catch (ValidationException ex)
{
this.ModelState.AddModelErrors(ex);
return(PartialView());
}
return(PartialView(result));
}
public void FourBand4YnullMul100ReturnsException()
{
//Arrange
HomeController homecontroller = new HomeController();
BandColorModel bandmodel = new BandColorModel();
bandmodel.BandAColor = "yellow";
bandmodel.BandBColor = null;
bandmodel.BandCColor = null;
bandmodel.BandDColor = "red";
bandmodel.Band = 4;
//Act
var result = homecontroller.CalculateOhm(bandmodel) as PartialViewResult;
//Assert
Assert.AreEqual(2, result.ViewData.ModelState.Count);
}
public void FourBand4Y5G6BlueMul100Return45600()
{
//Arrange
HomeController homecontroller = new HomeController();
BandColorModel bandmodel = new BandColorModel();
bandmodel.BandAColor = "yellow";
bandmodel.BandBColor = "green";
bandmodel.BandCColor = "blue";
bandmodel.BandDColor = "red";
bandmodel.Band = 4;
//Act
var result = homecontroller.CalculateOhm(bandmodel) as PartialViewResult;
//Assert
Assert.AreEqual(45600, result.Model);
}
public void ThreeBand2R1BMult10Returns210()
{
// Arrange
HomeController testController = new HomeController();
BandColorModel bandModel = new BandColorModel();
bandModel.BandAColor = "red";
bandModel.BandBColor = "brown";
bandModel.BandCColor = null;
bandModel.BandDColor = "brown";
bandModel.Band = 3;
// Act
var result = testController.CalculateOhm(bandModel) as PartialViewResult;
// Assert
Assert.AreEqual(210, result.Model);
}
public void ThreeBand4YnullMul100ReturnsException()
{
//Arrange
HomeController homecontroller = new HomeController();
BandColorModel bandmodel = new BandColorModel();
bandmodel.BandAColor = "yellow";
bandmodel.BandBColor = null;
bandmodel.BandCColor = null;
bandmodel.BandDColor = "red";
bandmodel.Band = 3;
//Act
var result = homecontroller.CalculateOhm(bandmodel) as PartialViewResult;
//Assert
var model = result.ViewData.ModelState["bandBColor"];
Assert.AreEqual("invalid bandBColor color", model.Errors[0].ErrorMessage);
}