Use Razor.Sdk package to verify templates

Fixes #400

Templating.sln

@@ -1,6 +1,6 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.27130.2027
+VisualStudioVersion = 15.0.27130.2036
 MinimumVisualStudioVersion = 15.0.26124.0
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Templates.Test", "test\Templates.Test\Templates.Test.csproj", "{D43A4D24-D514-44C2-9438-54F6EDF58680}"
 EndProject
@@ -21,6 +21,13 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "build", "build", "{F34CD7D7
 		build\sources.props = build\sources.props
 	EndProjectSection
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "test", "test", "{342602FC-9FF3-448D-B12D-F0E91B23DBBF}"
+	ProjectSection(SolutionItems) = preProject
+		test\Directory.Build.targets = test\Directory.Build.targets
+		test\GenerateTestProps.targets = test\GenerateTestProps.targets
+		test\TemplateTests.props.in = test\TemplateTests.props.in
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -52,6 +59,7 @@ Global
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
+		{D43A4D24-D514-44C2-9438-54F6EDF58680} = {342602FC-9FF3-448D-B12D-F0E91B23DBBF}
 		{ABC9D95C-7FBD-4F8D-827A-00942EA3D0C0} = {0AD6E692-E423-408C-B523-DAFB19412E4B}
 		{402E62D1-7FD0-4E07-812C-0E385D98D6D9} = {0AD6E692-E423-408C-B523-DAFB19412E4B}
 		{1731F6D9-1DFC-49D6-8F28-471194B1962C} = {0AD6E692-E423-408C-B523-DAFB19412E4B}

build/dependencies.props

@@ -33,6 +33,7 @@
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
     <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview2-26326-03</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.1</MicrosoftNETTestSdkPackageVersion>
+    <MicrosoftNETSdkRazorPackageVersion>2.1.0-preview2-30504</MicrosoftNETSdkRazorPackageVersion>
     <MicrosoftVisualStudioWebBrowserLinkPackageVersion>2.1.0-preview2-30504</MicrosoftVisualStudioWebBrowserLinkPackageVersion>
     <MicrosoftVisualStudioWebCodeGenerationDesignPackageVersion>2.1.0-preview2-30504</MicrosoftVisualStudioWebCodeGenerationDesignPackageVersion>
     <SeleniumFirefoxWebDriverPackageVersion>0.19.0</SeleniumFirefoxWebDriverPackageVersion>

test/GenerateTestProps.targets

@@ -2,7 +2,7 @@
   <Target Name="GenerateTestProps" BeforeTargets="CoreCompile">
     <Sdk_GenerateFileFromTemplate
       TemplateFile="$(MSBuildThisFileDirectory)TemplateTests.props.in"
-      Properties="RestoreSources=$([MSBuild]::Escape($(RestoreSources)));RuntimeFrameworkVersion=$(RuntimeFrameworkVersion)"
+      Properties="RestoreSources=$([MSBuild]::Escape($(RestoreSources)));RuntimeFrameworkVersion=$(RuntimeFrameworkVersion);MicrosoftNETSdkRazorPackageVersion=$(MicrosoftNETSdkRazorPackageVersion)"
       OutputPath="$(OutputPath)TemplateTests.props" />
   </Target>
 </Project>

test/TemplateTests.props.in

@@ -3,5 +3,6 @@
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <RestoreSources>${RestoreSources}</RestoreSources>
     <RuntimeFrameworkVersion>${RuntimeFrameworkVersion}</RuntimeFrameworkVersion>
+    <MicrosoftNETSdkRazorPackageVersion>${MicrosoftNETSdkRazorPackageVersion}</MicrosoftNETSdkRazorPackageVersion>
   </PropertyGroup>
 </Project>

test/Templates.Test/Helpers/TemplateTestBase.cs

@@ -21,6 +21,7 @@ namespace Templates.Test
         protected string ProjectGuid { get; set; }
         protected string TemplateOutputDir { get; set; }
         protected ITestOutputHelper Output { get; private set; }
+        protected bool UseRazorSdkPackage { get; set; } = true;
 
         public TemplateTestBase(ITestOutputHelper output)
         {
@@ -39,7 +40,15 @@ namespace Templates.Test
             // We don't want any of the host repo's build config interfering with
             // how the test project is built, so disconnect it from the
             // Directory.Build.props/targets context
-            File.WriteAllText(Path.Combine(TemplateOutputDir, "Directory.Build.props"), "<Project><Import Project=\"../../TemplateTests.props\" /></Project>");
+
+            var templatesTestsPropsFilePath = Path.Combine(basePath, "TemplateTests.props");
+            var directoryBuildPropsContent =
+$@"<Project>
+    <Import Project=""{templatesTestsPropsFilePath}"" />
+    <Import Project=""Directory.Build.After.props"" Condition=""Exists('Directory.Build.After.props')"" />
+</Project>";
+
+            File.WriteAllText(Path.Combine(TemplateOutputDir, "Directory.Build.props"), directoryBuildPropsContent);
             File.WriteAllText(Path.Combine(TemplateOutputDir, "Directory.Build.targets"), "<Project />");
         }
 
@@ -50,6 +59,8 @@ namespace Templates.Test
 
         protected void RunDotNetNew(string templateName, string targetFrameworkOverride, string auth = null, string language = null, bool useLocalDB = false, bool noHttps = false)
         {
+            SetAfterDirectoryBuildPropsContents();
+
             var args = $"new {templateName}";
 
             if (!string.IsNullOrEmpty(targetFrameworkOverride))
@@ -85,6 +96,32 @@ namespace Templates.Test
             }
         }
 
+        protected void SetAfterDirectoryBuildPropsContents()
+        {
+            var content = GetAfterDirectoryBuildPropsContent();
+            if (!string.IsNullOrEmpty(content))
+            {
+                content = "<Project>" + Environment.NewLine + content + Environment.NewLine + "</Project>";
+                File.WriteAllText(Path.Combine(TemplateOutputDir, "Directory.Build.After.props"), content);
+            }
+        }
+
+        protected virtual string GetAfterDirectoryBuildPropsContent()
+        {
+            var content = string.Empty;
+            if (UseRazorSdkPackage)
+            {
+                content +=
+@"
+<ItemGroup>
+    <PackageReference Include=""Microsoft.NET.Sdk.Razor"" Version=""$(MicrosoftNETSdkRazorPackageVersion)"" />
+</ItemGroup>
+";
+            }
+
+            return content;
+        }
+
         protected void RunDotNet(string arguments)
         {
             lock (DotNetNewLock)

test/Templates.Test/WebApiTemplateTest.cs

@@ -19,7 +19,7 @@ namespace Templates.Test
         public void WebApiTemplate_Works_NetFramework()
             => WebApiTemplateImpl("net461");
 
-        [Fact(Skip = "https://github.com/aspnet/templating/issues/400")]
+        [Fact]
         public void WebApiTemplate_Works_NetCore()
             => WebApiTemplateImpl(null);