public void Given_a_feed_with_no_new_items_should_not_download()
{
var rssUri = new Uri("protocol://host/uri.rss");
Feed.Downloader = (u, cb) =>
{
if (u == rssUri)
cb(false, null, @"<?xml version=""1.0"" encoding=""UTF-8""?>
<rss xmlns:itunes=""http://www.itunes.com/dtds/podcast-1.0.dtd"" xmlns:atom=""http://www.w3.org/2005/Atom"" version=""2.0"">
<channel>
<title>My New Feed</title>
<item>
<title>Whistle</title>
<guid isPermaLink=""true"">item1</guid>
<enclosure url=""http://blockedcontent/whistle.mp3"" type=""audio/mp3"" />
</item>
</channel>
</rss>");
};
var feed = new Feed { Name = "test", DownloadedGuids = new[] { "item1" }, Url = rssUri };
var newItemsToDownload = feed.GetNewItemsInFeed();
Assert.AreEqual(0, newItemsToDownload.Count());
}
public void Given_a_feed_with_two_new_items_should_download()
{
var rssUri = new Uri("protocol://host/uri.rss");
Feed.Downloader = (u, cb) =>
{
if (u == rssUri)
cb(false, null, @"<?xml version=""1.0"" encoding=""UTF-8""?>
<rss xmlns:itunes=""http://www.itunes.com/dtds/podcast-1.0.dtd"" xmlns:atom=""http://www.w3.org/2005/Atom"" version=""2.0"">
<channel>
<title>My New Feed</title>
<item>
<title>Whistle</title>
<guid isPermaLink=""true"">item1</guid>
<enclosure url=""http://blockedcontent/whistle.mp3"" type=""audio/mp3"" />
</item>
<item>
<title>Shout</title>
<guid isPermaLink=""true"">item2</guid>
<enclosure url=""http://blockedcontent/shout.mp3"" type=""audio/mp3"" />
</item>
<item>
<title>Hello</title>
<guid isPermaLink=""true"">item3</guid>
<enclosure url=""http://blockedcontent/hello.mp3"" type=""audio/mp3"" />
</item>
</channel>
</rss>");
};
var feed = new Feed { Name = "test", DownloadedGuids = new[] { "item1" }, Url = rssUri };
var newItemsToDownload = feed.GetNewItemsInFeed();
Assert.AreEqual(2, newItemsToDownload.Count());
var feedItem = newItemsToDownload.FirstOrDefault(fi => fi.Guid == "item2");
Assert.IsNotNull(feedItem);
Assert.AreEqual("Shout", feedItem.Title);
Assert.AreEqual("http://blockedcontent/shout.mp3", feedItem.EnclosureUrl.ToString());
feedItem = newItemsToDownload.FirstOrDefault(fi => fi.Guid == "item3");
Assert.IsNotNull(feedItem);
Assert.AreEqual("Hello", feedItem.Title);
Assert.AreEqual("http://blockedcontent/hello.mp3", feedItem.EnclosureUrl.ToString());
}