CustomTestRunner.cs

using System;
using System.Reflection;

namespace Microsoft.VisualStudio.TestTools.UnitTesting
{
    public class TestClassAttribute : Attribute {}
    public class TestMethodAttribute : Attribute {}
    public static class Assert
    {
        public static void AreEqual(object a, object b)
        {
            if (a == null && b == null) return;
            if (a == null || !a.Equals(b)) throw new Exception(string.Format("Expected '{0}', got '{1}'", a, b));
        }
    }
    public static class CollectionAssert
    {
        public static void AreEqual(byte[] a, byte[] b)
        {
            if (a == null && b == null) return;
            if (a == null || b == null || a.Length != b.Length) throw new Exception("Collections lengths differ");
            for(int i=0; i<a.Length; i++)
            {
                if (a[i] != b[i]) throw new Exception(string.Format("Collections differ at index {0}. Expected {1}, got {2}", i, a[i], b[i]));
            }
        }
    }
}

namespace CustomRunner
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("========================================");
            Console.WriteLine("    EXECUTION DES TESTS UNITAIRES AES   ");
            Console.WriteLine("========================================");
            int passed = 0;
            int failed = 0;
            var testClassType = typeof(UnitTestProject.UnitTestAes);
            var testInstance = Activator.CreateInstance(testClassType);
            
            foreach (var method in testClassType.GetMethods())
            {
                var attrs = method.GetCustomAttributes(typeof(Microsoft.VisualStudio.TestTools.UnitTesting.TestMethodAttribute), false);
                if (attrs.Length > 0)
                {
                    Console.Write(string.Format("Running test {0}... ", method.Name));
                    
                    var oldOut = Console.Out;
                    var sw = new System.IO.StringWriter();
                    Console.SetOut(sw);

                    try
                    {
                        method.Invoke(testInstance, null);
                        
                        Console.SetOut(oldOut);
                        Console.WriteLine("PASSED");
                        passed++;
                    }
                    catch (Exception ex)
                    {
                        Console.SetOut(oldOut);
                        Console.WriteLine("FAILED");
                        Console.WriteLine(string.Format("   Exception: {0}", ex.InnerException != null ? ex.InnerException.Message : ex.Message));
                        failed++;
                    }
                    finally
                    {
                        Console.SetOut(oldOut);
                    }
                }
            }
            Console.WriteLine("========================================");
            Console.WriteLine(string.Format("Tests run: {0}, Passed: {1}, Failed: {2}", passed + failed, passed, failed));
            Console.WriteLine("========================================");
        }
    }
}