public string Build(FeedData dataFeed, Uri baseUri)
{
var feed = new SyndicationFeed
{
Id = dataFeed.Id.ToString(),
LastUpdatedTime = dataFeed.DateCreated,
Items = dataFeed.Messages.Select(x => new SyndicationItem
{
Content = new RawSyndicationContent(x.Body),
Id = x.Id.ToString(),
LastUpdatedTime = x.CreatedAt
})
};
if (!string.IsNullOrEmpty(dataFeed.NextUri))
feed.Links.Add(new SyndicationLink(new Uri(baseUri, dataFeed.NextUri), NextInArchiveRelationshipType,
"Next In Archive", ContentType, 0));
if (!string.IsNullOrEmpty(dataFeed.PreviousUri))
feed.Links.Add(new SyndicationLink(new Uri(baseUri, dataFeed.PreviousUri), PrevInArchiveRelationshipType,
"Previous In Archive", ContentType, 0));
var formatter = new Atom10FeedFormatter(feed);
var sw = new StringWriter();
using (var writer = XmlWriter.Create(sw))
{
formatter.WriteTo(writer);
}
return sw.ToString();
}
public void SingleFeedChain()
{
var feed1 = new FeedData() { };
environment.Setup(m => m.DownloadString("https://feeds.sample.com/")).Returns("<feed>1</feed>");
syndication.Setup(m => m.Build("<feed>1</feed>", "https://feeds.sample.com/")).Returns(feed1);
var target = new FeedChain("https://feeds.sample.com/", syndication.Object);
var results = target.ToArray();
Assert.AreEqual(1, results.Length);
Assert.AreSame(feed1, results[0]);
}
public void ThreeFeedsInChain()
{
var feed1 = new FeedData() { PreviousUri = "https://feeds.sample.com/2" };
environment.Setup(m => m.DownloadString("https://feeds.sample.com/")).Returns("<feed>1</feed>");
syndication.Setup(m => m.Build("<feed>1</feed>", "https://feeds.sample.com/")).Returns(feed1);
var feed2 = new FeedData() { PreviousUri = "https://feeds.sample.com/3" };
environment.Setup(m => m.DownloadString("https://feeds.sample.com/2")).Returns("<feed>2</feed>");
syndication.Setup(m => m.Build("<feed>2</feed>", "https://feeds.sample.com/2")).Returns(feed2);
var feed3 = new FeedData() { };
environment.Setup(m => m.DownloadString("https://feeds.sample.com/3")).Returns("<feed>3</feed>");
syndication.Setup(m => m.Build("<feed>3</feed>", "https://feeds.sample.com/3")).Returns(feed3);
var target = new FeedChain("https://feeds.sample.com/", syndication.Object);
var results = target.ToArray();
Assert.AreEqual(3, results.Length);
Assert.AreSame(feed1, results[0]);
Assert.AreSame(feed2, results[1]);
Assert.AreSame(feed3, results[2]);
}
public void GettingArchiveFeed()
{
var feedData = new FeedData();
persistance.Setup(x => x.GetMessages("/2016/01/26")).Returns(feedData);
syndication.Setup(x => x.Build(feedData, new Uri("https://feed.sample.com/"))).Returns("<feed />");
var result = target.GetArchiveFeed("/2016/01/26", new Uri("https://feed.sample.com/"));
Assert.AreEqual(result, "<feed />");
}
