RSS 2.0 Framework

// Copyright � 2006 by Christoph Richner. All rights are reserved.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
//
// website http://www.raccoom.net, email support@raccoom.net, msn chrisdarebell@msn.com

using System;

namespace Raccoom.Xml.Test
{
	/// <summary>
	/// Summary description for Class1.
	/// </summary>
	[NUnit.Framework.TestFixture]
	public class Rss
	{
		#region fields
		public const string Uri = "http://www.mydomain.com";
		public const string EmailAdress = "someone@somewhere.com";
		public const string RFCDateTime = "Mon, 03 Nov 2003 14:00:00 GMT";		
		#endregion
		public Rss()
		{			
		}
		/// <summary>
		/// Create a new channel instance and fill all properties with data
		/// </summary>
		[NUnit.Framework.Test]
		public void FullChannelCreate()
		{
			Raccoom.Xml.RssChannel channel = new RssChannel();
			channel.Category = "Category";
			channel.Cloud.Domain = Uri;
			channel.Cloud.Path = "mypath/doc";
			channel.Cloud.Port = 80;
			channel.Cloud.Protocol = CloudProtocol.HttpPost;
			channel.Cloud.RegisterProcedure = "myprocedure";
			channel.Copyright = "Copyright";
			channel.Description = "Description";
			channel.Docs = Uri;
			channel.Generator = "Generator";
			channel.Image.Description = "Description";
			channel.Image.Height = 30;
			channel.Image.Link = Uri;
			channel.Image.Title = "Title";
			channel.Image.Url = Uri;
			channel.Image.Width = 80;
			channel.Language = System.Globalization.CultureInfo.CurrentCulture;
			channel.LastBuildDate = DateTime.Now;			
			channel.Link = Uri;
			channel.ManagingEditor = EmailAdress;
			//channel.PubDate = RFCDateTime;
			channel.PubDate = DateTime.Now;
			channel.Rating = "Rating";
			channel.SkipDays = SkipDays.Monday | SkipDays.Tuesday;
			channel.SkipHours = new int[] {1,2,3,4,5,6};
			channel.TextInput.Description = "Description";
			channel.TextInput.Link = Uri;
			channel.TextInput.Name = "Name";
			channel.TextInput.Title = "Title";
			channel.Title = "Title";
			channel.Ttl = 10;
			channel.WebMaster = EmailAdress;
			//
			Raccoom.Xml.RssItem item  = new RssItem();
			item.Author = EmailAdress;
			item.Category = "Category";
			item.Comments = "Comments";
			item.Description = "Description";
			item.Enclosure.Length = 100;
			item.Enclosure.Type = "text/xml";
			item.Enclosure.Url = Uri;
			item.Guid.Value = Uri;
			item.Link = Uri;
			item.PubDate = DateTime.Now;
			item.Source.Url = Uri;
			item.Source.Value = "Source";
			item.Title = "Title";			
			channel.Items.Add(item);
			// save channel
			string filename = System.IO.Path.GetFullPath("channelfull.xml");
			channel.Save(filename);
			// load channel
			Raccoom.Xml.RssChannel channel1 = new RssChannel(new Uri(filename));
			// compare
			EqualValues(channel, channel1);
		}		
		/// <summary>
		/// Transforms the channel 
		/// </summary>
		[NUnit.Framework.Test]
		public void FullChannelTransform()
		{
			string filename = System.IO.Path.GetFullPath("channelfull.xml");
			Raccoom.Xml.RssChannel channel = new RssChannel(new Uri(filename));
			using(System.IO.Stream styleSheetStream = this.GetType().Assembly.GetManifestResourceStream("Raccoom.Xml.Test.Resources.rss.xslt"))
			{				
				Helper.TestPersistentManager(channel, styleSheetStream);
			}
		}
		/// <summary>
		/// Creates a new channel with only a few properties set
		/// </summary>
		[NUnit.Framework.Test]
		public void EmptyElementChannelBuild()
		{
			Raccoom.Xml.RssChannel channel = new RssChannel();
			channel.Category = "Category";
			channel.Copyright = "Copyright";
			channel.Description = "Description";
			channel.Docs = Uri;
			channel.Generator = "Generator";
			channel.Language = System.Globalization.CultureInfo.CurrentCulture;
			channel.LastBuildDate = DateTime.Now;
			channel.Link = Uri;
			channel.ManagingEditor = EmailAdress;						
			channel.PubDate = DateTime.Now;
			channel.Rating = "Rating";
			channel.SkipDays = SkipDays.Monday;
			//channel.SkipHours = "2";
			channel.Title = "Title";
			channel.Ttl = 10;
			channel.WebMaster = EmailAdress;
			//
			Raccoom.Xml.RssItem item  = new RssItem();
			item.Author = EmailAdress;
			item.Category = "Category";
			item.Comments = "Comments";
			item.Description = "Description";
			//item.Guid.Value = Uri;
			item.Guid.IsPermaLink = false;
			item.Link = Uri;
			item.PubDate = DateTime.Now;
			//item.Source.Value = "Source";
			item.Source.Url = Uri;
			item.Title = "Title";			
			channel.Items.Add(item);
			//
			string filename = System.IO.Path.GetFullPath("channelEmtpyElements.xml");
			channel.Save(filename);		
			//
			Raccoom.Xml.RssChannel channel1 = new RssChannel(new Uri(filename));
			//
			this.EqualValues(channel, channel1);
			
		}
		/// <summary>
		/// Loads and parse a embedded xml resource (feed) that contains empty elements
		/// </summary>
		[NUnit.Framework.Test]
		public void EmptyElementChannel()
		{
			Raccoom.Xml.RssChannel channel = null;
			using(System.IO.Stream stream = this.GetType().Assembly.GetManifestResourceStream("Raccoom.Xml.Test.Resources.rsschannel.rss"))
			{
				channel = new RssChannel(stream);
			}
			NUnit.Framework.Assert.IsNotNull(channel.Image.Url);
			NUnit.Framework.Assert.IsNotNull(channel.Description);
			NUnit.Framework.Assert.IsNotNull(channel.Items[0].PubDate);
			NUnit.Framework.Assert.IsNotNull(channel.Items[1].PubDate);
			NUnit.Framework.Assert.IsNotNull(channel.Items[2].PubDate);
			NUnit.Framework.Assert.IsNotNull(channel.Items[3].Description);
			NUnit.Framework.Assert.IsNotNull(channel.Items[4].Description);
			NUnit.Framework.Assert.IsNotNull(channel.Items[4].PubDate);
			NUnit.Framework.Assert.IsNotNull(channel.Items[5].Link);
			NUnit.Framework.Assert.IsNotNull(channel.Items[5].PubDate);
		}

		/// <summary>
		/// Get feeds from the internet
		/// </summary>
		[NUnit.Framework.Test]
		public void SamplesFromTheInternet()
		{			
			Raccoom.Xml.ConcreteRssFactory rssFactory = new ConcreteRssFactory();
			Raccoom.Xml.IRssChannel channel =  rssFactory.GetFeed(new Uri("http://cyber.law.harvard.edu/blogs/gems/tech/sampleRss20.xml"));
			channel = rssFactory.GetFeed(new Uri("http://cyber.law.harvard.edu/blogs/gems/tech/sampleRss091.xml"));						
			channel = rssFactory.GetFeed(new Uri("http://cyber.law.harvard.edu/blogs/gems/tech/sampleRss092.xml"));						
			channel = rssFactory.GetFeed(new Uri("http://express.xstreamsoft.com/rss/rssGenerator.aspx?id=5&dt=Cat24"));
			
		}		
		/// <summary>
		/// RssItem knows his RssChannel, after adding, when removing the RssItem.Channel property have to be null
		/// </summary>
		[NUnit.Framework.Test]
		public void CollectionAddRemove()
		{
			Raccoom.Xml.RssChannel channel = new RssChannel();
			RssItem item = new RssItem();
			channel.Items.Add(item);
			// must be equal
			NUnit.Framework.Assert.AreSame(channel.Items[0].Channel, channel);
			item.Remove();			
			// must be null
			NUnit.Framework.Assert.IsNull(item.Channel);
		}
		#region private interface
		private void EqualValues(object obj1, object obj2)
		{
			foreach(System.Reflection.PropertyInfo pi in obj1.GetType().GetProperties())
			{
				if(pi.Name == "Channel")
				{
					continue;
				}
				else if(pi.PropertyType.BaseType == typeof(System.Collections.CollectionBase))
				{
					Raccoom.Xml.RssItemCollection col = pi.GetValue(obj1,null) as Raccoom.Xml.RssItemCollection;
					Raccoom.Xml.RssItemCollection col1 = pi.GetValue(obj2,null) as Raccoom.Xml.RssItemCollection;
					for(int i = 0; i<col.Count;i++)
					{
						EqualValues(col[i], col1[i]);                        
					}
				} 
				else if(pi.PropertyType.Assembly.Equals(typeof(Raccoom.Xml.RssChannel).Assembly))
				{
					EqualValues(pi.GetValue(obj1,null), pi.GetValue(obj2,null));
				}
				else if(pi.PropertyType == typeof(string))
				{
					NUnit.Framework.Assert.AreEqual(pi.GetValue(obj1,null), pi.GetValue(obj2,null), pi.ReflectedType.Name + " "+ pi.Name);
				}
				
			}
		}
		#endregion
	}
}