using System;

using System.Collections.Generic;

using System.Text;

using System.Linq;

using System.Xml.Serialization;

using System.Xml;

using System.Xml.Linq;

using System.IO;

using System.Data;

using System.Runtime.Serialization;

using System.Runtime.Serialization.Formatters.Binary;

using System.IO.Compression;

using System.Reflection;

using System.Text.RegularExpressions;

​

using NUnit.Framework; //NUnit.Framework.AssertionException

​

//https://stackoverflow.com/questions/70041937/problem-parsing-through-multiple-elements-in-the-xunit-xml-file-using-xelement

​

    public class TestResults

    {

        public TestResults(string result, string message) => (Result, Message) = (result, message);

        public string Result { get; }

        public string Message { get; }

    }

​

    public class TestClass

    {

        private static List<TestResults> GetTestAutomationExecutionResult(string filePath)

            => GetTestAutomationExecutionResult(XElement.Load(filePath));

​

        private static List<TestResults> GetTestAutomationExecutionResult(XElement xelement)

        {

            var query = from e in xelement.Descendants()

                where e.Name.LocalName == "test"

                let r = e.Attribute("result").Value

                let m = r == "Fail" ? e.Elements("failure").Elements("message").FirstOrDefault()?.Value : ""

                select new TestResults(r, m);

            return query.ToList();

        }

        public static void Test()

        {

            var xelement = XElement.Parse(GetXml());

            Console.WriteLine(xelement);

            Console.WriteLine();

            var list = GetTestAutomationExecutionResult(xelement);

            foreach (var item in list)

            {

                Console.WriteLine("{0}: {1}", item.Result, item.Message);

            }

        }

        static string GetXml() => @"<?xml version=""1.0"" encoding=""utf-8""?>

<assemblies timestamp=""07/31/2018 14:58:48"">

    <assembly name=""C:\Users\bf\Documents\Visual Studio 2015\Projects\xUnitDemo\xUnitDemo\bin\Debug\xUnitDemo.DLL"" environment=""64-bit .NET 4.0.30319.42000 [collection-per-class, parallel (1 threads)]"" test-framework=""xUnit.net 2.3.1.3858"" run-date=""2018-07-31"" run-time=""14:58:47"" config-file=""C:\Users\bf\Documents\Visual Studio 2015\Projects\xUnitDemo\packages\xunit.runner.console.2.4.0\tools\net452\xunit.console.exe.Config"" total=""15"" passed=""14"" failed=""1"" skipped=""0"" time=""0.257"" errors=""0"">

        <errors />

        <collection total=""2"" passed=""1"" failed=""1"" skipped=""0"" name=""Test collection for xUnitDemo.SimpleTests"" time=""0.070"">

            <test name=""xUnitDemo.SimpleTests.PassingTest"" type=""xUnitDemo.SimpleTests"" method=""PassingTest"" time=""0.0636741"" result=""Pass"">

                <traits>

                    <trait name=""test"" value=""test"" />

                    <trait name=""requirement"" value=""test"" />

                    <trait name=""labels"" value=""test"" />

                </traits>

            </test>

            <test name=""xUnitDemo.SimpleTests.FailingTest"" type=""xUnitDemo.SimpleTests"" method=""FailingTest"" time=""0.0059474"" result=""Fail"">

                <failure exception-type=""Xunit.Sdk.EqualException"">

                   <message><![CDATA[Assert.Equal() Failure\r\nExpected: 5\r\nActual: 4]]></message>

                    <stack-trace><![CDATA[ at xUnitDemo.SimpleTests.FailingTest() in C:\Users\smsf\documents\visual studio 2015\Projects\xUnitDemo\xUnitDemo\SimpleTests.cs:line 30]]></stack-trace>

                </failure>

            </test>

        </collection>

    </assembly>

</assemblies>";

    }

​

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Environment version: {0} ({1})", System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription , GetNetCoreVersion());

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

                Console.WriteLine("Failed with unhandled exception: ");

                Console.WriteLine(ex);

                throw;

            }

        }

        public static string GetNetCoreVersion()

        {

            //https://techblog.dorogin.com/how-to-detect-net-core-version-in-runtime-ecd65ad695be

            //

            var assembly = typeof(System.Runtime.GCSettings).GetTypeInfo().Assembly;

            var assemblyPath = assembly.Location.Split(new[] { '/', '\\' }, StringSplitOptions.RemoveEmptyEntries);

            int netCoreAppIndex = Array.IndexOf(assemblyPath, "Microsoft.NETCore.App");

            if (netCoreAppIndex > 0 && netCoreAppIndex < assemblyPath.Length - 2)

                return assemblyPath[netCoreAppIndex + 1];

            return null;

        }

    }

​