feat: implement rss feed

test/Blog.Tests/EndToEnd/RssTests.cs

@@ -0,0 +1,37 @@
+using System.ServiceModel.Syndication;
+using System.Text;
+using System.Xml;
+using System.Xml.Linq;
+
+namespace Blog.Tests.EndToEnd;
+
+[TestFixture]
+public class RssTests : BlogTest
+{
+  [Test]
+  public async Task Task_Rss_WhenFetched_ItShouldReturnRssFeed()
+  {
+    var response = await Page.APIRequest.GetAsync("/rss");
+    response.Status.Should().Be((int)HttpStatusCode.OK);
+
+    var xml = await response.BodyAsync();
+    
+    var streamReader = new StreamReader(
+      new MemoryStream(xml), 
+      Encoding.UTF8
+    );
+
+
+    var settings = new XmlReaderSettings
+    {
+      Async = true
+    };
+
+    using var xmlReader = XmlReader.Create(streamReader, settings);
+    var feed = SyndicationFeed.Load(xmlReader);
+
+    feed.Title.Text.Should().Be("journal");
+    feed.Description.Text.Should().Be("A blog by Stevan Freeborn");
+    feed.Items.Should().HaveCount(2);
+  }
+}