public void MissingParameterTest()
{
ParameterSetCollection sets = ParameterSetCollection.FromTypes(typeof(ParamSet));
NodeSequence args = this.Parse("");
ResolveResult result = sets.Resolve(new ParameterSetBinder(),
DefaultActivator.Instance,
new IntransigentTypeConverter(),
CultureInfo.InvariantCulture,
args);
Assert.False(result.IsMatch, "Expects no match");
Assert.Equal(1, result.Count);
Assert.Equal(1, result.BestMatch.Errors.Length);
ErrorWriter writer = new ErrorWriter();
using (StringWriter strWriter = new StringWriter())
{
writer.Write(strWriter, result);
string output = strWriter.ToString();
Assert.Contains("Missing requried paramter: 'ABool'.", output);
Assert.Contains("A bool", output);
Assert.Contains("Required? True", output);
Assert.Contains("Position? named", output);
Assert.Contains("Default value None", output);
Assert.Contains("Parameter sets Set1", output);
}
}
static void Main(string[] args)
{
/*
* simple usage
*/
// set up argument parser
ArgumentParser<ExecuteCommandBase> argParser = new ArgumentParser<ExecuteCommandBase>(typeof(ExecuteCommandUsingName), typeof(ExecuteCommandUsingPath));
ExecuteCommandBase paramSet;
if (argParser.TryParse(args, out paramSet))
{
paramSet.Execute();
}
Console.ReadLine();
/*
* advanced usage
*/
// create parameter set collection from types
ParameterSetCollection sets = ParameterSetCollection.FromTypes(typeof(ExecuteCommandUsingName), typeof(ExecuteCommandUsingPath));
// parse the command line arguments
Parser parser = new Parser();
NodeSequence nodes = parser.Parse(string.Join(" ", args));
// resolve parameter set against the parsed node set
ResolveResult result = sets.Resolve(new ParameterSetBinder(),
DefaultActivator.Instance,
new IntransigentTypeConverter(),
CultureInfo.InvariantCulture,
nodes);
if (result.IsMatch)
{
paramSet = (ExecuteCommandBase)result.BestMatch.Object;
paramSet.Execute();
}
else
{
ErrorWriter errorWriter = new ErrorWriter();
errorWriter.Write(new ConsoleWriter(Console.Error), result);
HelpWriter helpWriter = new HelpWriter();
helpWriter.Write(new ConsoleWriter(Console.Out), sets, HelpLevel.Parameters);
}
}