/// <summary>
/// Author: Brian Sabotta
/// Created: 10/30/2019
/// Notes: Checks parameters and starts running the cash register process.
/// </summary>
/// <param name="args">Collection of args passed in from command line.</param>
public static void RunCashRegisterProcessor(string[] args)
{
try
{
//arg[0] - inputFile
var inputFile = GetParameterByIndex(args, 0, "Input file");
//Exit out if not provided
if (string.IsNullOrEmpty(inputFile))
{
return;
}
//arg[1] - outputFile
var outputFile = GetParameterByIndex(args, 1, "Output file");
//Exit out if not provided
if (string.IsNullOrEmpty(outputFile))
{
return;
}
//Call the processing method
CashRegisterProcessor.ProcessData(inputFile, outputFile);
}
catch (Exception ex)
{
CashRegisterExceptions.HandleException(ex);
}
}
public void End2End_KnownProductBarcode_WillResultIn_ProductPrice()
{
var knownBarcode = new Barcode();
var knownProductPriceResult = new KnownProductPriceResult();
var cashRegisterProcessorRendererTestDouble = new CashRegisterRendererTestDouble();
var productPriceProviderTestDouble = new ProductCatalogTestDouble(knownProductPriceResult);
var cashRegisterProcessor = new CashRegisterProcessor(productPriceProviderTestDouble, cashRegisterProcessorRendererTestDouble);
cashRegisterProcessor.OnBarcode(knownBarcode);
Assert.Equal(knownProductPriceResult, cashRegisterProcessorRendererTestDouble.ResultToRender);
}
public void End2End_UnknownProductBarcode_WillResultIn_UnknownProduct()
{
//discuss because behaviour of result known/unknow and renderer ????
// smell => internals are external visibile, implementation detail
var unknownBarcode = new Barcode();
var unknownProductPriceResult = new UnknownProductPriceResult();
var cashRegisterProcessorRendererTestDouble = new CashRegisterRendererTestDouble();
var productPriceProviderTestDouble = new ProductCatalogTestDouble(unknownProductPriceResult);
var cashRegisterProcessor = new CashRegisterProcessor(productPriceProviderTestDouble, cashRegisterProcessorRendererTestDouble);
cashRegisterProcessor.OnBarcode(unknownBarcode);
Assert.Equal(unknownProductPriceResult, cashRegisterProcessorRendererTestDouble.ResultToRender);
}
