Avalonia/tests/Avalonia.IntegrationTests.Appium/PlatformFactAttribute.cs

using System;
using System.Linq;
using System.Runtime.InteropServices;
using Xunit;

namespace Avalonia.IntegrationTests.Appium
{
    [Flags]
    internal enum TestPlatforms
    {
        Windows = 0x01,
        MacOS = 0x02,
        All = Windows | MacOS,
    }
    
    internal class PlatformFactAttribute : FactAttribute
    {
        public PlatformFactAttribute(TestPlatforms platforms = TestPlatforms.All) => Platforms = platforms;
        
        public TestPlatforms Platforms { get; }
        
        public override string? Skip
        {
            get => IsSupported() ? null : $"Ignored on {RuntimeInformation.OSDescription}";
            set => throw new NotSupportedException();
        }

        private bool IsSupported()
        {
            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
                return Platforms.HasAnyFlag(TestPlatforms.Windows);
            if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
                return Platforms.HasAnyFlag(TestPlatforms.MacOS);
            return false;
        }
    }
}