Click here to Skip to main content
15,884,176 members
Articles / Programming Languages / C# 4.0

Intelligent Command Line Parser

Rate me:
Please Sign up or sign in to vote.
4.90/5 (27 votes)
29 May 2012CPOL4 min read 38.3K   1K   83  
Parses command line arguments and converts them into objects for use in your application
using CommandLineParser;
using CommandLineTests.TestObjects;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace CommandLineTests
{
    [TestClass()]
    public class ParserTest
    {
        [TestMethod()]
        public void Parser_ParseArguments_ArgumentsPopulated()
        {
            string[] args = { "-s:hello", "-i:1", "-e:foo", "-b:true" };
            Arguments arguments = new Arguments();
            var argMapMan = new ArgumentMapManager(arguments);
            Parser target = new Parser(argMapMan);
            
            target.ParseArguments(args);

            Assert.AreEqual("hello", arguments.String);
            Assert.AreEqual(1, arguments.Integer);
            Assert.AreEqual(TestEnumeration.foo, arguments.Enum);
        }

        [TestMethod()]
        [ExpectedException(typeof(ParserException))]
        public void Parser_ParseArguments_ArgumentNotDefinedInMap_InvalidArgumentExceptionThrown()
        {
            Arguments arguments = new Arguments();
            var argMapMan = new ArgumentMapManager(arguments);
            Parser target = new Parser(argMapMan);
            string[] args = { "-xx:hello" };
            target.ParseArguments(args);
        }

        [TestMethod()]
        [ExpectedException(typeof(ParserException))]
        public void Parser_ParseArguments_NoArgumentsDefinedInMap_ParserExceptionThrown()
        {
            EmptyArgumentClass arguments = new EmptyArgumentClass();
            var argMapMan = new ArgumentMapManager(arguments);
            Parser target = new Parser(argMapMan);
            string[] args = { "-xx:hello" };
            target.ParseArguments(args);
        }

        [TestMethod()]
        [ExpectedException(typeof(ParserException))]
        public void Parser_ParseArguments_Required_argument_not_found_ParserException_thrown()
        {
            string[] args = { "-s:hello", "-e:foo", "-b:true" };
            Arguments arguments = new Arguments();
            var argMapMan = new ArgumentMapManager(arguments);
            Parser target = new Parser(argMapMan);
            target.ParseArguments(args);
        }

        
    }
}

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Software Developer (Senior) Performance Web
United Kingdom United Kingdom
This member has not yet provided a Biography. Assume it's interesting and varied, and probably something to do with programming.

Comments and Discussions