Add common Fact and Theory attributes to Microsoft.DotNet.XUnitExtensions (#12313)

Author: vlada-shubina

src/Microsoft.DotNet.Build.Tasks.Workloads.Tests/Microsoft.DotNet.Build.Tasks.Workloads.Tests.csproj

@@ -7,6 +7,7 @@
   <ItemGroup>
     <ProjectReference Include="..\Common\Microsoft.Arcade.Test.Common\Microsoft.Arcade.Test.Common.csproj" />
     <ProjectReference Include="..\Microsoft.DotNet.Build.Tasks.Workloads\src\Microsoft.DotNet.Build.Tasks.Workloads.csproj" />
+    <ProjectReference Include="..\Microsoft.DotNet.XUnitExtensions\src\Microsoft.DotNet.XUnitExtensions.csproj" />
 
     <PackageReference Include="Microsoft.Build" Version="$(MicrosoftBuildVersion)" />
     <PackageReference Include="Microsoft.Build.Tasks.Core" Version="$(MicrosoftBuildTasksCoreVersion)" />

src/Microsoft.DotNet.Build.Tasks.Workloads.Tests/TestHelper.cs

@@ -82,6 +82,7 @@
     </EmbeddedResource>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\Microsoft.DotNet.XUnitExtensions\src\Microsoft.DotNet.XUnitExtensions.csproj" />
     <ProjectReference Include="..\tasks\Microsoft.DotNet.NuGetRepack.Tasks.csproj" />
   </ItemGroup>
 </Project>

src/Microsoft.DotNet.NuGetRepack/tests/Microsoft.DotNet.NuGetRepack.Tests.csproj

@@ -0,0 +1,27 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+#nullable enable
+
+using Microsoft.DotNet.XUnitExtensions;
+
+namespace Xunit
+{
+    /// <summary>
+    /// This test should be run only on .NET (.NET Core).
+    /// </summary>
+    public class DotNetOnlyFactAttribute : FactAttribute
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DotNetOnlyFactAttribute"/> class.
+        /// </summary>
+        /// <param name="additionalMessage">The additional message that is appended to skip reason, when test is skipped.</param>
+        public DotNetOnlyFactAttribute(string? additionalMessage = null)
+        {
+            if (!DiscovererHelpers.IsRunningOnNetCoreApp)
+            {
+                this.Skip = "This test only runs on .NET.".AppendAdditionalMessage(additionalMessage);
+            }
+        }
+    }
+}

src/Microsoft.DotNet.NuGetRepack/tests/TestHelpers/SkipIfNotWindows.cs

@@ -0,0 +1,27 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+#nullable enable
+
+using Microsoft.DotNet.XUnitExtensions;
+
+namespace Xunit 
+{
+    /// <summary>
+    /// This test should be run only on .NET (.NET Core).
+    /// </summary>
+    public class DotNetOnlyTheoryAttribute : TheoryAttribute
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DotNetOnlyTheoryAttribute"/> class.
+        /// </summary>
+        /// <param name="additionalMessage">The additional message that is appended to skip reason, when test is skipped.</param>
+        public DotNetOnlyTheoryAttribute(string? additionalMessage = null)
+        {
+            if (!DiscovererHelpers.IsRunningOnNetCoreApp)
+            {
+                this.Skip = "This test only runs on .NET.".AppendAdditionalMessage(additionalMessage);
+            }
+        }
+    }
+}

src/Microsoft.DotNet.XUnitExtensions/src/Attributes/DotNetOnlyFactAttribute.cs

@@ -0,0 +1,28 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+#nullable enable
+
+using System.Runtime.InteropServices;
+using Microsoft.DotNet.XUnitExtensions;
+
+namespace Xunit
+{
+    /// <summary>
+    /// This test should be run only on Linux.
+    /// </summary>
+    public class LinuxOnlyFactAttribute : FactAttribute
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="LinuxOnlyFactAttribute"/> class.
+        /// </summary>
+        /// <param name="additionalMessage">The additional message that is appended to skip reason, when test is skipped.</param>
+        public LinuxOnlyFactAttribute(string? additionalMessage = null)
+        {
+            if (!RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+            {
+                this.Skip = "This test requires Linux to run.".AppendAdditionalMessage(additionalMessage);
+            }
+        }
+    }
+}

src/Microsoft.DotNet.XUnitExtensions/src/Attributes/DotNetOnlyTheoryAttribute.cs

@@ -0,0 +1,28 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+#nullable enable
+
+using System.Runtime.InteropServices;
+using Microsoft.DotNet.XUnitExtensions;
+
+namespace Xunit
+{
+    /// <summary>
+    /// This test should be run only on Windows.
+    /// </summary>
+    public class LinuxOnlyTheoryAttribute : TheoryAttribute
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="LinuxOnlyTheoryAttribute"/> class.
+        /// </summary>
+        /// <param name="additionalMessage">The additional message that is appended to skip reason, when test is skipped.</param>
+        public LinuxOnlyTheoryAttribute(string? additionalMessage = null)
+        {
+            if (!RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+            {
+                this.Skip = "This test requires Linux to run.".AppendAdditionalMessage(additionalMessage);
+            }
+        }
+    }
+}

src/Microsoft.DotNet.XUnitExtensions/src/Attributes/LinuxOnlyFactAttribute.cs

@@ -0,0 +1,28 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+#nullable enable
+
+using System.Runtime.InteropServices;
+using Microsoft.DotNet.XUnitExtensions;
+
+namespace Xunit
+{
+    /// <summary>
+    /// This test should be run only on OSX.
+    /// </summary>
+    public class MacOSOnlyFactAttribute : FactAttribute
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MacOSOnlyFactAttribute"/> class.
+        /// </summary>
+        /// <param name="additionalMessage">The additional message that is appended to skip reason, when test is skipped.</param>
+        public MacOSOnlyFactAttribute(string? additionalMessage = null)
+        {
+            if (!RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+            {
+                this.Skip = "This test requires macOS to run.".AppendAdditionalMessage(additionalMessage);
+            }
+        }
+    }
+}

src/Microsoft.DotNet.XUnitExtensions/src/Attributes/LinuxOnlyTheoryAttribute.cs

@@ -0,0 +1,28 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+#nullable enable
+
+using System.Runtime.InteropServices;
+using Microsoft.DotNet.XUnitExtensions;
+
+namespace Xunit
+{
+    /// <summary>
+    /// This test should be run only on OSX.
+    /// </summary>
+    public class MacOSOnlyTheoryAttribute : TheoryAttribute
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MacOSOnlyTheoryAttribute"/> class.
+        /// </summary>
+        /// <param name="additionalMessage">The additional message that is appended to skip reason, when test is skipped.</param>
+        public MacOSOnlyTheoryAttribute(string? additionalMessage = null)
+        {
+            if (!RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+            {
+                this.Skip = "This test requires macOS to run.".AppendAdditionalMessage(additionalMessage);
+            }
+        }
+    }
+}