C++ UWP Reflection based discovery

src/Microsoft.TestPlatform.ObjectModel/TestCase.cs

@@ -7,11 +7,13 @@ namespace Microsoft.VisualStudio.TestPlatform.ObjectModel
     using System.IO;
     using System.Runtime.Serialization;
 
-    using Microsoft.VisualStudio.TestPlatform.ObjectModel.Utilities;
     using System.Globalization;
     using System.Collections.Generic;
     using System.Linq;
 
+    using Microsoft.VisualStudio.TestPlatform.ObjectModel.Utilities;
+    using Microsoft.VisualStudio.TestPlatform.PlatformAbstractions;
+
     /// <summary>
     /// Stores information about a test case.
     /// </summary>
@@ -221,10 +223,19 @@ private Guid GetTestId()
             // For example in the database adapter case this is not a file path.
             string source = this.Source;
 
-            if (File.Exists(source))
+            // As discussed with team, we found no scenario for netcore, & fullclr where the Source is not present where ID is generated,
+            // which means we would always use FileName to generate ID. In cases where somehow Source Path contained garbage character the API Path.GetFileName()
+            // we are simply returning original input.
+            // For UWP where source during discovery, & during execution can be on different machine, in such case we should always use Path.GetFileName()
+            try
             {
+                // If source name is malformed, GetFileName API will throw exception, so use same input malformed string to generate ID
                 source = Path.GetFileName(source);
             }
+            catch
+            {
+                // do nothing
+            }
 
             string testcaseFullName = this.ExecutorUri + source + this.FullyQualifiedName;
             return EqtHash.GuidFromString(testcaseFullName);

src/Microsoft.TestPlatform.TestHostProvider/Hosting/AppxManifestFile.cs

@@ -0,0 +1,33 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+namespace Microsoft.VisualStudio.TestPlatform.DesktopTestHostRuntimeProvider
+{
+    using System.IO;
+    using System.Xml.Linq;
+
+    /// <summary> Wrapper for an appxmanifest file. </summary>
+    internal static class AppxManifestFile
+    {
+        /// <summary> Gets the app's exe name. </summary>
+        /// <param name="filePath">
+        /// AppxManifest filePath
+        /// </param>
+        /// <returns>ExecutableName</returns>
+        public static string GetApplicationExecutableName(string filePath)
+        {
+            if (File.Exists(filePath))
+            {
+                var doc = XDocument.Load(filePath);
+                var ns = doc.Root.Name.Namespace;
+
+                return doc.Element(ns + "Package").
+                    Element(ns + "Applications").
+                    Element(ns + "Application").
+                    Attribute("Executable").Value;
+            }
+
+            return null;
+        }
+    }
+}

src/Microsoft.TestPlatform.TestHostProvider/Hosting/DefaultTestHostManager.cs

@@ -13,11 +13,13 @@ namespace Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Hosting
     using System.Text;
     using System.Threading;
     using System.Threading.Tasks;
+    using System.Xml.Linq;
     using Microsoft.TestPlatform.TestHostProvider.Hosting;
     using Microsoft.TestPlatform.TestHostProvider.Resources;
     using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Extensions;
     using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Helpers;
     using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Helpers.Interfaces;
+    using Microsoft.VisualStudio.TestPlatform.DesktopTestHostRuntimeProvider;
     using Microsoft.VisualStudio.TestPlatform.ObjectModel;
     using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client.Interfaces;
     using Microsoft.VisualStudio.TestPlatform.ObjectModel.Host;
@@ -203,7 +205,21 @@ public IEnumerable<string> GetTestPlatformExtensions(IEnumerable<string> sources
         /// <inheritdoc/>
         public IEnumerable<string> GetTestSources(IEnumerable<string> sources)
         {
-            // We do not have scenario where full CLR tests are deployed to remote machine, so no need to udpate sources
+            // We are doing this specifically for UWP, should we extract it out to some other utility?
+            // Why? Lets say if we have to do same for someother source extension, would we just add another if check?
+            var uwpSources = sources.Where(source => source.EndsWith(".appxrecipe", StringComparison.OrdinalIgnoreCase));
+
+            if (uwpSources.Any())
+            {
+                List<string> actualSources = new List<string>();
+                foreach (var uwpSource in uwpSources)
+                {
+                    actualSources.Add(Path.Combine(Path.GetDirectoryName(uwpSource), this.GetUwpSources(uwpSource)));
+                }
+
+                return actualSources;
+            }
+
             return sources;
         }
 
@@ -380,5 +396,23 @@ private bool LaunchHost(TestProcessStartInfo testHostStartInfo, CancellationToke
             this.OnHostLaunched(new HostProviderEventArgs("Test Runtime launched", 0, this.testHostProcess.Id));
             return this.testHostProcess != null;
         }
+
+        private string GetUwpSources(string uwpSource)
+        {
+            var doc = XDocument.Load(uwpSource);
+            var ns = doc.Root.Name.Namespace;
+
+            string appxManifestPath = doc.Element(ns + "Project").
+                Element(ns + "ItemGroup").
+                Element(ns + "AppXManifest").
+                Attribute("Include").Value;
+
+            if (!Path.IsPathRooted(appxManifestPath))
+            {
+                appxManifestPath = Path.Combine(Path.GetDirectoryName(uwpSource), appxManifestPath);
+            }
+
+            return AppxManifestFile.GetApplicationExecutableName(appxManifestPath);
+        }
     }
 }

test/Microsoft.TestPlatform.TestHostProvider.UnitTests/Hosting/DefaultTestHostManagerTests.cs

@@ -8,12 +8,14 @@ namespace TestPlatform.TestHostProvider.UnitTests.Hosting
     using System.Diagnostics;
     using System.IO;
     using System.Linq;
+    using System.Reflection;
     using System.Threading;
     using System.Threading.Tasks;
     using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Extensions;
     using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Helpers;
     using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Helpers.Interfaces;
     using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Hosting;
+    using Microsoft.VisualStudio.TestPlatform.DesktopTestHostRuntimeProvider;
     using Microsoft.VisualStudio.TestPlatform.ObjectModel;
     using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client.Interfaces;
     using Microsoft.VisualStudio.TestPlatform.ObjectModel.Host;
@@ -378,6 +380,23 @@ public void LaunchTestHostShouldUseCustomHostIfSet()
             Assert.AreEqual(currentProcess.Id, this.testHostId);
         }
 
+        [TestMethod]
+        public void GetTestSourcesShouldReturnAppropriateSourceIfAppxRecipeIsProvided()
+        {
+            var sourcePath = Path.Combine(Path.GetDirectoryName(typeof(TestableTestHostManager).GetTypeInfo().Assembly.GetAssemblyLocation()), @"..\..\..\..\TestAssets\UWPTestAssets\UnitTestApp8.build.appxrecipe");
+            IEnumerable<string> sources = this.testHostManager.GetTestSources(new List<string> { sourcePath });
+            Assert.IsTrue(sources.Any());
+            Assert.IsTrue(sources.FirstOrDefault().EndsWith(".exe", StringComparison.OrdinalIgnoreCase));
+        }
+
+        [TestMethod]
+        public void AppxManifestFileShouldReturnAppropriateSourceIfAppxManifestIsProvided()
+        {
+            var appxManifestPath = Path.Combine(Path.GetDirectoryName(typeof(TestableTestHostManager).GetTypeInfo().Assembly.GetAssemblyLocation()), @"..\..\..\..\TestAssets\UWPTestAssets\AppxManifest.xml");
+            string source = AppxManifestFile.GetApplicationExecutableName(appxManifestPath);
+            Assert.AreEqual("UnitTestApp8.exe", source);
+        }
+
         [TestMethod]
         public async Task ErrorMessageShouldBeReadAsynchronously()
         {

test/TestAssets/UWPTestAssets/AppxManifest.xml

@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Package xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10" xmlns:mp="http://schemas.microsoft.com/appx/2014/phone/manifest" xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10" IgnorableNamespaces="uap mp build" xmlns:build="http://schemas.microsoft.com/developer/appx/2015/build">
+  <!--
+    THIS PACKAGE MANIFEST FILE IS GENERATED BY THE BUILD PROCESS.
+
+    Changes to this file will be lost when it is regenerated. To correct errors in this file, edit the source .appxmanifest file.
+
+    For more information on package manifest files, see http://go.microsoft.com/fwlink/?LinkID=241727
+  -->
+  <Identity Name="e7a3d303-9783-498c-9285-7474e1e66396" Publisher="CN=maban" Version="1.0.0.0" ProcessorArchitecture="x86" />
+  <mp:PhoneIdentity PhoneProductId="e7a3d303-9783-498c-9285-7474e1e66396" PhonePublisherId="00000000-0000-0000-0000-000000000000" />
+  <Properties>
+    <DisplayName>UnitTestApp8</DisplayName>
+    <PublisherDisplayName>maban</PublisherDisplayName>
+    <Logo>Assets\StoreLogo.png</Logo>
+  </Properties>
+  <Dependencies>
+    <TargetDeviceFamily Name="Windows.Universal" MinVersion="10.0.10586.0" MaxVersionTested="10.0.16299.0" />
+    <PackageDependency Name="Microsoft.VCLibs.140.00" MinVersion="14.0.25426.0" Publisher="CN=Microsoft Corporation, O=Microsoft Corporation, L=Redmond, S=Washington, C=US" />
+  </Dependencies>
+  <Resources>
+    <Resource Language="EN-US" />
+  </Resources>
+  <Applications>
+    <Application Id="vstest.executionengine.universal.App" Executable="UnitTestApp8.exe" EntryPoint="UnitTestApp8.App">
+      <uap:VisualElements DisplayName="UnitTestApp8" Square150x150Logo="Assets\Square150x150Logo.png" Square44x44Logo="Assets\Square44x44Logo.png" Description="UnitTestApp8" BackgroundColor="transparent">
+        <uap:DefaultTile Wide310x150Logo="Assets\Wide310x150Logo.png" />
+        <uap:SplashScreen Image="Assets\SplashScreen.png" />
+      </uap:VisualElements>
+    </Application>
+  </Applications>
+  <Capabilities>
+    <Capability Name="internetClientServer" />
+  </Capabilities>
+  <Extensions>
+    <Extension Category="windows.activatableClass.inProcessServer">
+      <InProcessServer>
+        <Path>CLRHost.dll</Path>
+        <ActivatableClass ActivatableClassId="Microsoft.VisualStudio.TestPlatform.TestExecutor.WinRTCore.UnitTestClient" ThreadingModel="both" />
+      </InProcessServer>
+    </Extension>
+    <Extension Category="windows.activatableClass.inProcessServer">
+      <InProcessServer>
+        <Path>CppUnitTestFramework_Executor_WindowsPhone.dll</Path>
+        <ActivatableClass ActivatableClassId="CppUnitTestFramework_Executor_WindowsPhone.CppTestCase" ThreadingModel="both" />
+        <ActivatableClass ActivatableClassId="CppUnitTestFramework_Executor_WindowsPhone.TestResult" ThreadingModel="both" />
+        <ActivatableClass ActivatableClassId="CppUnitTestFramework_Executor_WindowsPhone.CTestRunner" ThreadingModel="both" />
+      </InProcessServer>
+    </Extension>
+    <Extension Category="windows.activatableClass.inProcessServer">
+      <InProcessServer>
+        <Path>vstest_executionengine_platformbridge.dll</Path>
+        <ActivatableClass ActivatableClassId="vstest_executionengine_platformbridge.MessageTransmitter" ThreadingModel="both" />
+        <ActivatableClass ActivatableClassId="vstest_executionengine_platformbridge.ServiceMain" ThreadingModel="both" />
+        <ActivatableClass ActivatableClassId="vstest_executionengine_platformbridge.NativeMethods" ThreadingModel="both" />
+      </InProcessServer>
+    </Extension>
+  </Extensions>
+  <build:Metadata>
+    <build:Item Name="cl.exe" Version="19.13.26009.0 built by: VCTOOLSREL" />
+    <build:Item Name="VisualStudio" Version="15.0" />
+    <build:Item Name="VisualStudioEdition" Value="Microsoft Visual Studio Enterprise 2017" />
+    <build:Item Name="OperatingSystem" Version="10.0.16299.15 (WinBuild.160101.0800)" />
+    <build:Item Name="Microsoft.Build.AppxPackage.dll" Version="15.0.27215.3002" />
+    <build:Item Name="ProjectGUID" Value="{f0aa89fc-5ffc-4a0b-819b-0bae6b341260}" />
+    <build:Item Name="ilc.exe" Version="1.4.24211.00 built by: PROJECTNGDR2" />
+    <build:Item Name="OptimizingToolset" Value="ilc.exe" />
+    <build:Item Name="UseDotNetNativeSharedAssemblyFrameworkPackage" Value="True" />
+    <build:Item Name="UniversalGenericsOptOut" Value="false" />
+    <build:Item Name="Microsoft.Windows.UI.Xaml.Build.Tasks.dll" Version="15.0.27215.3002" />
+    <build:Item Name="CppUnitTestFramework.Universal" Version="15.0" />
+    <build:Item Name="TestPlatform.Universal" Version="15.0" />
+    <build:Item Name="MakePri.exe" Version="10.0.16299.15 (WinBuild.160101.0800)" />
+  </build:Metadata>
+</Package>