public void MakeTagsFromFilename()
{
file = File.Create(filePathForTag);
file.Tag.Performers = new string[] { };
file.Tag.Title = String.Empty;
file.Save();
var renamer = new FileRenamer(directory);
renamer.MakeFileTags(new string[] { filePathForTag });
file = File.Create(filePathForTag);
Assert.AreEqual("Led Zeppelin", file.Tag.FirstPerformer);
Assert.AreEqual("Stairway to Heaven", file.Tag.Title);
}