private static SortCommandLineOptions ParseOptions(CommandLineOptions commandLineOptions)
{
if (commandLineOptions == null)
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "must specify a option."));
}
SortCommandLineOptions targetOptions = new SortCommandLineOptions();
if (commandLineOptions.Arguments.Count >= 0)
{
foreach (var arg in commandLineOptions.Arguments.Keys)
{
SortOptionType optionType = SortOptions.GetOptionType(arg);
if (optionType == SortOptionType.None)
{
throw new CommandLineException(
string.Format(CultureInfo.CurrentCulture, "Option used in invalid context -- {0}",
string.Format(CultureInfo.CurrentCulture, "cannot parse the command line argument : [{0}].", arg)));
}
switch (optionType)
{
case SortOptionType.InputFile:
targetOptions.InputFile = commandLineOptions.Arguments[arg];
break;
case SortOptionType.OutputFile:
targetOptions.IsSetOutputFile = true;
targetOptions.OutputFile = commandLineOptions.Arguments[arg];
break;
case SortOptionType.ReverseOrder:
targetOptions.IsSetReverseOrder = true;
break;
case SortOptionType.Help:
targetOptions.IsSetHelp = true;
break;
case SortOptionType.Version:
targetOptions.IsSetVersion = true;
break;
}
}
}
if (commandLineOptions.Parameters.Count > 0)
{
if (string.IsNullOrEmpty(targetOptions.InputFile))
{
targetOptions.InputFile = commandLineOptions.Parameters.First();
}
}
return(targetOptions);
}
public void Should_create_correct_ProductSorter_for_given_sortOption(SortOptionType sortOption, Type productSorterType, SortOrder sortOrder = SortOrder.Ascending)
{
// Arrange
var mockedShopperHistoryService = Mock.Of <IShopperHistoryService>();
var productSorterFactory = new ProductSorterFactory(mockedShopperHistoryService);
// Act
var productSorter = productSorterFactory.Create(sortOption);
// Assert
Assert.Equal(productSorter.GetType(), productSorterType);
Assert.Equal(productSorter.SortOrder, sortOrder);
}
public static SortOptionType GetOptionType(string option)
{
SortOptionType optionType = SortOptionType.None;
foreach (var pair in Options)
{
foreach (var item in pair.Value)
{
if (item == option)
{
optionType = pair.Key;
break;
}
}
}
return(optionType);
}
public IProductSorter Create(SortOptionType sortOption)
{
switch (sortOption)
{
case SortOptionType.Low:
return(new ProductSorterByPrice());
case SortOptionType.High:
return(new ProductSorterByPrice(SortOrder.Descending));
case SortOptionType.Ascending:
return(new ProductSorterByName());
case SortOptionType.Descending:
return(new ProductSorterByName(SortOrder.Descending));
case SortOptionType.Recommended:
return(new ProductSorterByPopularity(_shopperHistoryService, sortOrder: SortOrder.Descending));
}
throw new Exception("Invalid Sort Option");
}
