TaggerTests.cs :  » Development » iTuner » iTunerTests » C# / CSharp Open Source

//************************************************************************************************
// Copyright  2010 Steven M. Cohn. All Rights Reserved.
//
//************************************************************************************************

namespace iTunerTests{
  using System;
  using System.Linq;
  using System.Xml.Linq;
  using Microsoft.VisualStudio.TestTools.UnitTesting;
  using iTuner.iTunes;


  /// <summary>
  /// </summary>

  [DeploymentItem(@"ThirdParty\", @"ThirdParty")]
  [TestClass]
  public class TaggerTests : TestBase
  {

    /// <summary>
    /// </summary>

    [TestMethod]
    public void RetrieveEmbeddedTags ()
    {
      Tagger tagger = new Tagger();
      Track track = new Track(null);
      track.Location = @"C:\iTuner\Research\genpuid\09-Little Martha.mp3";
      track.IsBuffered = true;

      tagger.RetrieveTags(track);

      Assert.IsNotNull(track);
      Assert.IsNotNull(track.UniqueID);
    }


    [TestMethod]
    public void LinqAll ()
    {
      string xml = @"
 <genpuid songs=""1"" xmlns:mip=""http://musicip.com/ns/mip-1.0#"">
   <track file=""C:\iTuner\Research\genpuid\09-Little Martha.mp3""
        puid=""019e0c33-0450-cdf8-211c-1ba69d6f935b"">
     <title>Little Martha</title>
     <artist>
       <name>Allman Brothers Band</name>
     </artist>
     <puid-list>
       <puid id=""019e0c33-0450-cdf8-211c-1ba69d6f935b""/>
     </puid-list>
     <mip:first-release-date>1972</mip:first-release-date>
     <mip:genre-list>
       <mip:genre>
         <name>Rock</name>
       </mip:genre>
     </mip:genre-list>
   </track>
 </genpuid>";

      Track tags = null;

      XElement root = XElement.Parse(xml, LoadOptions.None);
      XNamespace ns = root.GetDefaultNamespace();
      XNamespace mip = root.GetNamespaceOfPrefix("mip");

      var track = root.Element(ns + "track");
      if (track != null)
      {
        XAttribute attribute = track.Attribute(ns + "puid");
        if (attribute != null)
        {
          tags = new Track(null);
          tags.UniqueID = attribute.Value;

          XElement element = track.Element(ns + "artist");
          if (element != null)
          {
            element = element.Element(ns + "name");
            if (element != null)
            {
              tags.Artist = element.Value;
            }
          }

          element = track.Element(ns + "title");
          if (element != null)
          {
            tags.Title = element.Value;
          }

          element = track.Element(mip + "first-release-date");
          if (element != null)
          {
            int year;
            if (Int32.TryParse(element.Value, out year))
            {
              tags.Year = year;
            }
          }

          element = track.Element(mip + "genre-list");
          if (element != null)
          {
            element = element.Descendants(ns + "name").Single();
            if (element != null)
            {
              tags.Genre = element.Value;
            }
          }
        }
      }
    }
  }

}