private string GetHelpText(CommandLineApplication app)
{
var generator = new DefaultHelpTextGenerator
{
MaxLineLength = 80
};
return(GetHelpText(app, generator));
}
private string GetHelpText(CommandLineApplication app, DefaultHelpTextGenerator generator)
{
var sb = new StringBuilder();
generator.Generate(app, new StringWriter(sb));
var helpText = sb.ToString();
_output.WriteLine(helpText);
return(helpText);
}
private string GetHelpText(CommandLineApplication app, DefaultHelpTextGenerator generator, string helpOption = null)
{
var sb = new StringBuilder();
app.Out = new StringWriter(sb);
app.HelpTextGenerator = generator;
app.Parse(helpOption ?? "-h");
var helpText = sb.ToString();
return(helpText);
}
public void DoesNotOrderCommandsByName()
{
var app = new CommandLineApplication <EmptyShortName>();
app.Conventions.UseDefaultConventions();
app.Command("b", _ => { });
app.Command("a", _ => { });
var generator = new DefaultHelpTextGenerator()
{
SortCommandsByName = false
};
var helpText = GetHelpText(app, generator);
var indexOfA = helpText.IndexOf(" a", StringComparison.InvariantCulture);
var indexOfB = helpText.IndexOf(" b", StringComparison.InvariantCulture);
Assert.True(indexOfA > indexOfB);
}
public static async Task <int> Main(string[] args)
{
var htg = new DefaultHelpTextGenerator()
{
// Instead of alphabetical order, we list in definition order
// which is more indicative of the typical usage order
SortCommandsByName = false,
};
var cla = new CommandLineApplication <Program>()
{
// We override the default to control the display order of commands
HelpTextGenerator = htg,
};
cla.Conventions
.UseDefaultConventions()
.UseConstructorInjection(ConfigureServices());
return(await cla.ExecuteAsync(args));
}