Merge branch 'sitemap-encoding' into develop

Author: JeremyCaney

OnTopic.AspNetCore.Mvc.Tests/TopicControllerTest.cs

@@ -126,23 +126,24 @@ public void RedirectController_TopicRedirect_ReturnsRedirectResult() {
     /// <summary>
     ///   Triggers the index action of the <see cref="SitemapController.Index()" /> action.
     /// </summary>
-    /// <remarks>
-    ///   Because the <see cref="SitemapController.Index()"/> method references the <see cref="Controller.Response"/> property,
-    ///   which is not set during unit testing, this test is <i>expected</i> to throw an exception. This is not ideal. In the
-    ///   future, this may be modified to instead use a mock <see cref="ControllerContext"/> for a more sophisticated test.
-    /// </remarks>
     [TestMethod]
-    [ExpectedException(typeof(NullReferenceException), AllowDerivedTypes=false)]
     public void SitemapController_Index_ReturnsSitemapXml() {
 
-      var controller            = new SitemapController(_topicRepository);
-      var result                = controller.Index() as ViewResult;
-      var model                 = result.Model as string;
+      var actionContext         = new ActionContext {
+        HttpContext             = new DefaultHttpContext(),
+        RouteData               = new RouteData(),
+        ActionDescriptor        = new ControllerActionDescriptor()
+      };
+      var controller            = new SitemapController(_topicRepository) {
+        ControllerContext       = new ControllerContext(actionContext)
+      };
+      var result                = controller.Index() as ContentResult;
+      var model                 = result.Content as string;
 
       controller.Dispose();
 
       Assert.IsNotNull(model);
-      Assert.IsTrue(model.StartsWith("<?xml version=\"1.0\" encoding=\"utf-16\"?>"));
+      Assert.IsTrue(model.StartsWith("<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>"));
       Assert.IsTrue(model.Contains("/Web/Web_1/Web_1_1/Web_1_1_1/</loc>"));
 
     }

OnTopic.AspNetCore.Mvc/Controllers/SitemapController.cs

@@ -107,16 +107,13 @@ public virtual ActionResult Index() {
       /*------------------------------------------------------------------------------------------------------------------------
       | Establish sitemap
       \-----------------------------------------------------------------------------------------------------------------------*/
-      var sitemap = GenerateSitemap(rootTopic);
-      var sitemapFile = new StringBuilder();
-      using (var writer = new StringWriter(sitemapFile)) {
-        sitemap.Save(writer);
-      }
+      var declaration           = new XDeclaration("1.0", "utf-8", "no");
+      var sitemap               = GenerateSitemap(rootTopic);
 
       /*------------------------------------------------------------------------------------------------------------------------
       | Return the homepage view
       \-----------------------------------------------------------------------------------------------------------------------*/
-      return Content(sitemapFile.ToString(), "text/xml");
+      return Content(declaration.ToString() + sitemap.ToString(), "text/xml");
 
     }
 
@@ -129,7 +126,6 @@ public virtual ActionResult Index() {
     /// <returns>The site's homepage view.</returns>
     public virtual XDocument GenerateSitemap(Topic rootTopic) =>
       new XDocument(
-        new XDeclaration("1.0", "utf-8", String.Empty),
         new XElement(_sitemapNamespace + "urlset",
           from topic in rootTopic?.Children
           select AddTopic(topic)