CopyCenter/AuthorizationTest/UnitTest1.cs

using System;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace AuthorizationTest
{
    [TestClass]
    public class AuthorizationTest
    {
        gr672_liiEntities db;

        [TestMethod]
        public void TestMethod1()
        {
            InitializeComponent();
            db = new gr672_liiEntities();
            var Authorization = new Authorization();
            Assert.IsFalse(Authorization.Auth("test", "123")));
            Assert.IsTrue(Authorization.Auth("max", "123"));

        }
    }

    public class Authorization
    {
        gr672_liiEntities db = new gr672_liiEntities();
        public bool Auth(string login, string password)
        {
            if (login == "" || password == "")
            {
                return false;
            }
            if (db.User.Select(item => item.Login + " " + item.Password).Contains(login + " " + password))
            {
                return true;
            }
            else 
            {
                return false;
            }
        }
    }
}