Added a functional test for view precompilation

Mvc.sln

@@ -106,6 +106,8 @@ Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Microsoft.AspNet.Mvc.TagHel
 EndProject
 Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Microsoft.AspNet.Mvc.TagHelpers.Test", "test\Microsoft.AspNet.Mvc.TagHelpers.Test\Microsoft.AspNet.Mvc.TagHelpers.Test.kproj", "{860119ED-3DB1-424D-8D0A-30132A8A7D96}"
 EndProject
+Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "PrecompilationWebSite", "test\WebSites\PrecompilationWebSite\PrecompilationWebSite.kproj", "{59E1BE90-92C1-4D35-ADCC-B69F49077C81}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -566,6 +568,16 @@ Global
 		{860119ED-3DB1-424D-8D0A-30132A8A7D96}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
 		{860119ED-3DB1-424D-8D0A-30132A8A7D96}.Release|Mixed Platforms.Build.0 = Release|Any CPU
 		{860119ED-3DB1-424D-8D0A-30132A8A7D96}.Release|x86.ActiveCfg = Release|Any CPU
+		{59E1BE90-92C1-4D35-ADCC-B69F49077C81}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{59E1BE90-92C1-4D35-ADCC-B69F49077C81}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{59E1BE90-92C1-4D35-ADCC-B69F49077C81}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
+		{59E1BE90-92C1-4D35-ADCC-B69F49077C81}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
+		{59E1BE90-92C1-4D35-ADCC-B69F49077C81}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{59E1BE90-92C1-4D35-ADCC-B69F49077C81}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{59E1BE90-92C1-4D35-ADCC-B69F49077C81}.Release|Any CPU.Build.0 = Release|Any CPU
+		{59E1BE90-92C1-4D35-ADCC-B69F49077C81}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
+		{59E1BE90-92C1-4D35-ADCC-B69F49077C81}.Release|Mixed Platforms.Build.0 = Release|Any CPU
+		{59E1BE90-92C1-4D35-ADCC-B69F49077C81}.Release|x86.ActiveCfg = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -617,5 +629,6 @@ Global
 		{2223120F-D675-40DA-8CD8-11DC14A0B2C7} = {DAAE4C74-D06F-4874-A166-33305D2643CE}
 		{B2347320-308E-4D2B-AEC8-005DFA68B0C9} = {32285FA4-6B46-4D6B-A840-2B13E4C8B58E}
 		{860119ED-3DB1-424D-8D0A-30132A8A7D96} = {3BA657BF-28B1-42DA-B5B0-1C4601FCF7B1}
+		{59E1BE90-92C1-4D35-ADCC-B69F49077C81} = {16703B76-C9F7-4C75-AE6C-53D92E308E3C}
 	EndGlobalSection
 EndGlobal

samples/MvcSample.Web/Compiler/PreProcess/RazorPreCompilation.cs

@@ -0,0 +1,15 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
+using Microsoft.AspNet.Mvc;
+
+namespace MvcSample.Web
+{
+    public class MyCompilation : RazorPreCompileModule
+    {
+        public MyCompilation(IServiceProvider provider) : base(provider)
+        {
+        }
+    }
+}

samples/MvcSample.Web/Views/Shared/MyView.cshtml

@@ -35,9 +35,9 @@
 }
 
 @functions {
-    public async Task<string> AsyncValueRetrieval()
+    public Task<string> AsyncValueRetrieval()
     {
-        return "Hello World";
+        return Task.FromResult("Hello World");
     }
 
     public Task RenderHelloWorldPartial(User model)

src/PrecompilationWebSite/PrecompilationWebSite.kproj

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">14.0</VisualStudioVersion>
+    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
+  </PropertyGroup>
+  <Import Project="$(VSToolsPath)\AspNet\Microsoft.Web.AspNet.Props" Condition="'$(VSToolsPath)' != ''" />
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>7af02e0f-a0cd-4a79-8c48-b5decfdd9df6</ProjectGuid>
+    <RootNamespace>PrecompilationWebSite</RootNamespace>
+  </PropertyGroup>
+  <PropertyGroup>
+    <SchemaVersion>2.0</SchemaVersion>
+    <DevelopmentServerPort>34201</DevelopmentServerPort>
+  </PropertyGroup>
+  <Import Project="$(VSToolsPath)\AspNet\Microsoft.Web.AspNet.targets" Condition="'$(VSToolsPath)' != ''" />
+</Project>

test/Microsoft.AspNet.Mvc.FunctionalTests/PrecompilationTest.cs

@@ -0,0 +1,39 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
+using System.Net;
+using System.Reflection;
+using System.Threading.Tasks;
+using Microsoft.AspNet.Builder;
+using Microsoft.AspNet.TestHost;
+using Xunit;
+
+namespace Microsoft.AspNet.Mvc.FunctionalTests
+{
+    public class PrecompilationTest
+    {
+        private readonly IServiceProvider _services = TestHelper.CreateServices("PrecompilationWebSite");
+        private readonly Action<IApplicationBuilder> _app = new PrecompilationWebSite.Startup().Configure;
+
+        [Fact]
+        public async Task PrecompiledView_RendersCorrectly()
+        {
+            // Arrange
+            var server = TestServer.Create(_services, _app);
+            var client = server.CreateClient();
+
+            // We will render a view that writes the fully qualified name of the Assembly containing the type of
+            // the view. If the view is precompiled, this assembly will be PrecompilationWebsite.
+            var expectedContent = typeof(PrecompilationWebSite.Startup).GetTypeInfo().Assembly.GetName().ToString();
+
+            // Act
+            var response = await client.GetAsync("http://localhost/Home/Index");
+            var responseContent = await response.Content.ReadAsStringAsync();
+
+            // Assert
+            Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+            Assert.Equal(expectedContent, responseContent);
+        }
+    }
+}

test/Microsoft.AspNet.Mvc.FunctionalTests/project.json

@@ -17,6 +17,7 @@
         "InlineConstraintsWebSite": "1.0.0",
         "ModelBindingWebSite": "1.0.0",
         "MvcSample.Web": "1.0.0",
+        "PrecompilationWebSite": "1.0.0",
         "RoutingWebSite": "1.0.0",
         "RazorWebSite": "1.0.0",
         "RazorInstrumentationWebsite": "1.0.0",

test/WebSites/PrecompilationWebSite/Compiler/PreProcess/RazorPreCompilation.cs

@@ -0,0 +1,84 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
+using System.IO;
+using System.Runtime.Versioning;
+using Microsoft.AspNet.Mvc;
+using Microsoft.Framework.DependencyInjection;
+using Microsoft.Framework.DependencyInjection.Fallback;
+using Microsoft.Framework.Runtime;
+
+namespace PrecompilationWebSite
+{
+    public class MyCompilation : RazorPreCompileModule
+    {
+        public MyCompilation(IServiceProvider provider) : base(ReplaceProvider(provider))
+        {
+        }
+
+        // When running in memory tests the application base path will point to the functional tests
+        // project folder.
+        // We need to replace it to point to the actual precompilation website so that the views can
+        // be found.
+        public static IServiceProvider ReplaceProvider(IServiceProvider provider)
+        {
+            var originalEnvironment = provider.GetService<IApplicationEnvironment>();
+            var newPath = Path.GetFullPath(
+                Path.Combine(
+                    originalEnvironment.ApplicationBasePath,
+                    "..",
+                    "WebSites",
+                    "PrecompilationWebSite"));
+
+            var precompilationApplicationEnvironment = new PrecompilationApplicationEnvironment(
+                originalEnvironment,
+                newPath);
+
+            var collection = new ServiceCollection();
+            collection.AddInstance<IApplicationEnvironment>(precompilationApplicationEnvironment);
+
+            return collection.BuildServiceProvider(provider);
+        }
+
+        private class PrecompilationApplicationEnvironment : IApplicationEnvironment
+        {
+            private readonly IApplicationEnvironment _originalApplicationEnvironment;
+            private readonly string _applicationBasePath;
+
+            public PrecompilationApplicationEnvironment(IApplicationEnvironment original, string appBasePath)
+            {
+                _originalApplicationEnvironment = original;
+                _applicationBasePath = appBasePath;
+            }
+
+            public string ApplicationName
+            {
+                get { return _originalApplicationEnvironment.ApplicationName; }
+            }
+
+            public string Version
+            {
+                get { return _originalApplicationEnvironment.Version; }
+            }
+
+            public string ApplicationBasePath
+            {
+                get { return _applicationBasePath; }
+            }
+
+            public string Configuration
+            {
+                get
+                {
+                    return _originalApplicationEnvironment.Configuration;
+                }
+            }
+
+            public FrameworkName RuntimeFramework
+            {
+                get { return _originalApplicationEnvironment.RuntimeFramework; }
+            }
+        }
+    }
+}

test/WebSites/PrecompilationWebSite/Controllers/HomeController.cs

@@ -0,0 +1,15 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using Microsoft.AspNet.Mvc;
+
+namespace PrecompilationWebSite.Controllers
+{
+    public class HomeController : Controller
+    {
+        public IActionResult Index()
+        {
+            return View();
+        }
+    }
+}

test/WebSites/PrecompilationWebSite/PrecompilationWebSite.kproj

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">14.0</VisualStudioVersion>
+    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
+  </PropertyGroup>
+  <Import Project="$(VSToolsPath)\AspNet\Microsoft.Web.AspNet.Props" Condition="'$(VSToolsPath)' != ''" />
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>59e1be90-92c1-4d35-adcc-b69f49077c81</ProjectGuid>
+    <RootNamespace>PrecompilationWebSite</RootNamespace>
+  </PropertyGroup>
+  <PropertyGroup>
+    <SchemaVersion>2.0</SchemaVersion>
+    <DevelopmentServerPort>34231</DevelopmentServerPort>
+  </PropertyGroup>
+  <Import Project="$(VSToolsPath)\AspNet\Microsoft.Web.AspNet.targets" Condition="'$(VSToolsPath)' != ''" />
+</Project>

test/WebSites/PrecompilationWebSite/Startup.cs

@@ -0,0 +1,24 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using Microsoft.AspNet.Builder;
+using Microsoft.AspNet.Routing;
+using Microsoft.Framework.DependencyInjection;
+
+namespace PrecompilationWebSite
+{
+    public class Startup
+    {
+        public void Configure(IApplicationBuilder app)
+        {
+            var configuration = app.GetTestConfiguration();
+
+            app.UseServices(services =>
+            {
+                services.AddMvc(configuration);
+            });
+
+            app.UseMvc();
+        }
+    }
+}

test/WebSites/PrecompilationWebSite/Views/Home/Index.cshtml

@@ -0,0 +1,2 @@
+@using System.Reflection
+@(GetType().GetTypeInfo().Assembly.GetName())

test/WebSites/PrecompilationWebSite/project.json

@@ -0,0 +1,13 @@
+{
+    "dependencies": {
+        "Microsoft.AspNet.Mvc": "6.0.0-*",
+        "Microsoft.AspNet.Mvc.TestConfiguration": "1.0.0",
+        "Microsoft.AspNet.Server.IIS": "1.0.0-*",
+        "Microsoft.AspNet.Server.WebListener": "1.0.0-*"
+    },
+    "frameworks": {
+        "aspnet50": { },
+        "aspnetcore50": { }
+    },
+    "webroot": "."
+}