[automated] Merge branch 'release/5.0' => 'master'

src/Components/Web.JS/src/Platform/Mono/MonoPlatform.ts

@@ -334,6 +334,10 @@ function createEmscriptenModuleInstance(resourceLoader: WebAssemblyResourceLoade
       return BINDING.js_to_mono_obj(Promise.resolve(0));
     }
 
+    const lazyResources: {
+      assemblies?: (ArrayBuffer | null)[],
+      pdbs?: (ArrayBuffer | null)[]
+    } = {};
     window['Blazor']._internal.getLazyAssemblies = (assembliesToLoadDotNetArray: System_Array<System_String>): System_Object => {
       const assembliesToLoad = BINDING.mono_array_to_js_array<System_String, string>(assembliesToLoadDotNetArray);
       const lazyAssemblies = resourceLoader.bootConfig.resources.lazyAssembly;
@@ -364,31 +368,40 @@ function createEmscriptenModuleInstance(resourceLoader: WebAssemblyResourceLoade
         .map(assembly => resourceLoader.loadResource(assembly, `_framework/${assembly}`, lazyAssemblies[assembly], 'assembly'))
         .map(async resource => (await resource.response).arrayBuffer()));
 
+
       return BINDING.js_to_mono_obj(
         Promise.all([resourcePromises, pdbPromises]).then(values => {
-          const resourcesToLoad = values[0];
-          const pdbsToLoad = values[1];
-          if (resourcesToLoad.length) {
+          lazyResources["assemblies"] = values[0];
+          lazyResources["pdbs"] = values[1];
+          if (lazyResources["assemblies"].length) {
             window['Blazor']._internal.readLazyAssemblies = () => {
-              const assemblyBytes = BINDING.mono_obj_array_new(resourcesToLoad.length);
-              for (let i = 0; i < resourcesToLoad.length; i++) {
-                const assembly = resourcesToLoad[i] as ArrayBuffer;
+              const { assemblies } = lazyResources;
+              if (!assemblies) {
+                return BINDING.mono_obj_array_new(0);
+              }
+              const assemblyBytes = BINDING.mono_obj_array_new(assemblies.length);
+              for (let i = 0; i < assemblies.length; i++) {
+                const assembly = assemblies[i] as ArrayBuffer;
                 BINDING.mono_obj_array_set(assemblyBytes, i, BINDING.js_typed_array_to_array(new Uint8Array(assembly)));
               }
               return assemblyBytes;
             };
 
             window['Blazor']._internal.readLazyPdbs = () => {
-              const pdbBytes = BINDING.mono_obj_array_new(resourcesToLoad.length);
-              for (let i = 0; i < resourcesToLoad.length; i++) {
-                const pdb = pdbsToLoad && pdbsToLoad[i] ? new Uint8Array(pdbsToLoad[i] as ArrayBufferLike) : new Uint8Array();
+              const { assemblies, pdbs } = lazyResources;
+              if (!assemblies) {
+                return BINDING.mono_obj_array_new(0);
+              }
+              const pdbBytes = BINDING.mono_obj_array_new(assemblies.length);
+              for (let i = 0; i < assemblies.length; i++) {
+                const pdb = pdbs && pdbs[i] ? new Uint8Array(pdbs[i] as ArrayBufferLike) : new Uint8Array();
                 BINDING.mono_obj_array_set(pdbBytes, i, BINDING.js_typed_array_to_array(pdb));
               }
               return pdbBytes;
             };
           }
 
-          return resourcesToLoad.length;
+          return lazyResources["assemblies"].length;
         }));
     }
   });

src/Components/test/E2ETest/Tests/WebAssemblyLazyLoadTest.cs

@@ -49,7 +49,7 @@ public void CanLazyLoadOnRouteChange()
             // Visit the route for the lazy-loaded assembly
             SetUrlViaPushState("/WithLazyAssembly");
 
-            var button = app.FindElement(By.Id("use-package-button"));
+            var button = Browser.Exists(By.Id("use-package-button"));
 
             // Now we should have requested the DLL
             Assert.True(HasLoadedAssembly("Newtonsoft.Json.dll"));
@@ -100,11 +100,11 @@ public void CanLazyLoadAssemblyWithRoutes()
             // Now the assembly has been loaded
             Assert.True(HasLoadedAssembly("LazyTestContentPackage.dll"));
 
-            var button = app.FindElement(By.Id("go-to-lazy-route"));
+            var button = Browser.Exists(By.Id("go-to-lazy-route"));
             button.Click();
 
             // Navigating the lazy-loaded route should show its content
-            var renderedElement = app.FindElement(By.Id("lazy-page"));
+            var renderedElement = Browser.Exists(By.Id("lazy-page"));
             Assert.True(renderedElement.Displayed);
         }
 
@@ -123,6 +123,39 @@ public void ThrowsErrorForUnavailableAssemblies()
             AssertLogContainsCriticalMessages("DoesNotExist.dll must be marked with 'BlazorWebAssemblyLazyLoad' item group in your project file to allow lazy-loading.");
         }
 
+        [Fact]
+        public void CanLazyLoadViaLinkChange()
+        {
+            // Navigate to a page without any lazy-loaded dependencies
+            SetUrlViaPushState("/");
+            var app = Browser.MountTestComponent<TestRouterWithLazyAssembly>();
+
+            // We start off with no lazy assemblies loaded
+            Assert.False(HasLoadedAssembly("LazyTestContentPackage.dll"));
+            Assert.False(HasLoadedAssembly("Newtonsoft.Json.dll"));
+
+            // Click the first link and verify that it worked as expected
+            var lazyAssemblyLink = Browser.Exists(By.Id("with-lazy-assembly"));
+            lazyAssemblyLink.Click();
+            var pkgButton = Browser.Exists(By.Id("use-package-button"));
+            Assert.True(HasLoadedAssembly("Newtonsoft.Json.dll"));
+            pkgButton.Click();
+
+            // Navigate to the next page and verify that it loaded its assembly
+            var lazyRoutesLink = Browser.Exists(By.Id("with-lazy-routes"));
+            lazyRoutesLink.Click();
+            Browser.Exists(By.Id("lazy-load-msg"));
+            Assert.True(HasLoadedAssembly("LazyTestContentPackage.dll"));
+
+            // Interact with that assembly to ensure it was loaded properly
+            var button = Browser.Exists(By.Id("go-to-lazy-route"));
+            button.Click();
+
+            // Navigating the lazy-loaded route should show its content
+            var renderedElement = Browser.Exists(By.Id("lazy-page"));
+            Assert.True(renderedElement.Displayed);
+        }
+
         private string SetUrlViaPushState(string relativeUri)
         {
             var pathBaseWithoutHash = ServerPathBase.Split('#')[0];

src/Components/test/testassets/BasicTestApp/RouterTest/Links.razor

@@ -20,7 +20,8 @@
     <li><NavLink href="/subdir/WithParameters/Name/Abc/LastName/McDef">With more parameters</NavLink></li>
     <li><NavLink href="/subdir/LongPage1">Long page 1</NavLink></li>
     <li><NavLink href="/subdir/LongPage2">Long page 2</NavLink></li>
-    <li><NavLink href="/subdir/WithLazyAssembly">With lazy assembly</NavLink></li>
+    <li><NavLink href="/subdir/WithLazyAssembly" id="with-lazy-assembly">With lazy assembly</NavLink></li>
+    <li><NavLink href="/subdir/WithLazyLoadedRoutes" id="with-lazy-routes">With lazy loaded routes</NavLink></li>
     <li><NavLink href="PreventDefaultCases">preventDefault cases</NavLink></li>
     <li><NavLink>Null href never matches</NavLink></li>
 </ul>

src/Servers/HttpSys/src/AuthenticationSchemes.cs

@@ -5,15 +5,39 @@
 
 namespace Microsoft.AspNetCore.Server.HttpSys
 {
-    // REVIEW: this appears to be very similar to System.Net.AuthenticationSchemes
+    /// <summary>
+    /// Specifies protocols for authentication.
+    /// </summary>
     [Flags]
     public enum AuthenticationSchemes
     {
+        /// <summary>
+        /// No authentication is enabled. This should only be used when HttpSysOptions.Authentication.AllowAnonymous is enabled (see <see cref="AuthenticationManager.AllowAnonymous"/>).
+        /// </summary>
         None = 0x0,
+
+        /// <summary>
+        /// Specifies basic authentication.
+        /// </summary>
         Basic = 0x1,
+
+
         // Digest = 0x2, // TODO: Verify this is no longer supported by Http.Sys
+
+        /// <summary>
+        /// Specifies NTLM authentication.
+        /// </summary>
         NTLM = 0x4,
+
+        /// <summary>
+        /// Negotiates with the client to determine the authentication scheme. If both client and server support Kerberos, it is used;
+        /// otherwise, NTLM is used.
+        /// </summary>
         Negotiate = 0x8,
+
+        /// <summary>
+        /// Specifies Kerberos authentication.
+        /// </summary>
         Kerberos = 0x10
     }
 }

src/Servers/HttpSys/src/DelegationRule.cs

@@ -31,6 +31,7 @@ internal DelegationRule(string queueName, string urlPrefix, ILogger logger)
             Queue = new RequestQueue(queueName, UrlPrefix, _logger, receiver: true);
         }
 
+        /// <inheritdoc />
         public void Dispose()
         {
             Queue.UrlGroup?.Dispose();

src/Servers/HttpSys/src/HttpSysDefaults.cs

@@ -3,6 +3,9 @@
 
 namespace Microsoft.AspNetCore.Server.HttpSys
 {
+    /// <summary>
+    /// Constants for HttpSys.
+    /// </summary>
     public static class HttpSysDefaults
     {
         /// <summary>

src/Servers/HttpSys/src/HttpSysException.cs

@@ -8,6 +8,9 @@
 
 namespace Microsoft.AspNetCore.Server.HttpSys
 {
+    /// <summary>
+    /// Exception thrown by HttpSys when an error occurs
+    /// </summary>
     [SuppressMessage("Microsoft.Usage", "CA2237:MarkISerializableTypesWithSerializable")]
     public class HttpSysException : Win32Exception
     {
@@ -28,6 +31,7 @@ internal HttpSysException(int errorCode, string message)
 
         // the base class returns the HResult with this property
         // we need the Win32 Error Code, hence the override.
+        /// <inheritdoc />
         public override int ErrorCode
         {
             get

src/Servers/HttpSys/src/HttpSysOptions.cs

@@ -7,6 +7,9 @@
 
 namespace Microsoft.AspNetCore.Server.HttpSys
 {
+    /// <summary>
+    /// Contains the options used by HttpSys.
+    /// </summary>
     public class HttpSysOptions
     {
         private const uint MaximumRequestQueueNameLength = 260;
@@ -26,6 +29,9 @@ public class HttpSysOptions
         private long? _maxRequestBodySize = DefaultMaxRequestBodySize;
         private string _requestQueueName;
 
+        /// <summary>
+        /// Initializes a new <see cref="HttpSysOptions"/>.
+        /// </summary>
         public HttpSysOptions()
         {
         }

src/Servers/HttpSys/src/IHttpSysRequestDelegationFeature.cs

@@ -3,6 +3,9 @@
 
 namespace Microsoft.AspNetCore.Server.HttpSys
 {
+    /// <summary>
+    /// Interface for delegating requests to other Http.Sys request queues.
+    /// </summary>
     public interface IHttpSysRequestDelegationFeature
     {
         /// <summary>
@@ -15,6 +18,7 @@ public interface IHttpSysRequestDelegationFeature
         /// must not be read nor the response started before this is invoked. Check <see cref="CanDelegate"/>
         /// before invoking.
         /// </summary>
+        /// <param name="destination">The rule maintaining the handle to the destination queue.</param>
         void DelegateRequest(DelegationRule destination);
     }
 }

src/Servers/HttpSys/src/IServerDelegationFeature.cs

@@ -3,11 +3,16 @@
 
 namespace Microsoft.AspNetCore.Server.HttpSys
 {
+    /// <summary>
+    /// This exposes the creation of delegation rules on request queues owned by the server.
+    /// </summary>
     public interface IServerDelegationFeature
     {
         /// <summary>
         /// Create a delegation rule on request queue owned by the server.
         /// </summary>
+        /// <param name="queueName">The name of the Http.Sys request queue.</param>
+        /// <param name="urlPrefix">The URL of the Http.Sys Url Prefix.</param>
         /// <returns>
         /// Creates a <see cref="DelegationRule"/> that can used to delegate individual requests.
         /// </returns>

src/Servers/HttpSys/src/Microsoft.AspNetCore.Server.HttpSys.csproj

@@ -12,6 +12,7 @@
 
     <!-- Ignore platform compatibility warnings for this project. We know this only works on windows.-->
     <NoWarn>$(NoWarn);CA1416</NoWarn>
+    <NoWarn>$(NoWarn.Replace('1591', ''))</NoWarn>
   </PropertyGroup>
 
   <ItemGroup>

src/Servers/HttpSys/src/UrlPrefix.cs

@@ -7,6 +7,9 @@
 
 namespace Microsoft.AspNetCore.Server.HttpSys
 {
+    /// <summary>
+    /// A set of URL parameters used to listen for incoming requests.
+    /// </summary>
     public class UrlPrefix
     {
         private UrlPrefix(bool isHttps, string scheme, string host, string port, int portValue, string path)
@@ -94,6 +97,10 @@ public static UrlPrefix Create(string scheme, string host, int? portValue, strin
             return new UrlPrefix(isHttps, scheme, host, port, portValue.Value, path);
         }
 
+        /// <summary>
+        /// http://msdn.microsoft.com/en-us/library/windows/desktop/aa364698(v=vs.85).aspx
+        /// </summary>
+        /// <param name="prefix">The string that the <see cref="UrlPrefix"/> will be created from.</param>
         public static UrlPrefix Create(string prefix)
         {
             string scheme = null;
@@ -146,26 +153,58 @@ public static UrlPrefix Create(string prefix)
             return Create(scheme, host, port, path);
         }
 
+        /// <summary>
+        /// Gets a value that determines if the prefix's scheme is HTTPS.
+        /// </summary>
         public bool IsHttps { get; }
+
+        /// <summary>
+        /// Gets the scheme used by the prefix.
+        /// </summary>
         public string Scheme { get; }
+
+        /// <summary>
+        /// Gets the host domain name used by the prefix.
+        /// </summary>
         public string Host { get; }
+
+        /// <summary>
+        /// Gets a string representation of the port used by the prefix.
+        /// </summary>
         public string Port { get; }
+
         internal string HostAndPort { get; }
+
+        /// <summary>
+        /// Gets an integer representation of the port used by the prefix.
+        /// </summary>
         public int PortValue { get; }
+
+        /// <summary>
+        /// Gets the path component of the prefix.
+        /// </summary>
         public string Path { get; }
+
         internal string PathWithoutTrailingSlash { get; }
+
+        /// <summary>
+        /// Gets a string representation of the prefix
+        /// </summary>
         public string FullPrefix { get; }
 
+        /// <inheritdoc />
         public override bool Equals(object obj)
         {
             return string.Equals(FullPrefix, Convert.ToString(obj), StringComparison.OrdinalIgnoreCase);
         }
 
+        /// <inheritdoc />
         public override int GetHashCode()
         {
             return StringComparer.OrdinalIgnoreCase.GetHashCode(FullPrefix);
         }
 
+        /// <inheritdoc />
         public override string ToString()
         {
             return FullPrefix;