tasks/UnitTestProject1/UnitTest1.cs

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

namespace UnitTestProject1
{
    [TestClass]
    public class UnitTest1
    {
        tasksContext _context = new tasksContext();
        [TestMethod]
        public void TestMethod1()
        {
            MainWindow page = new MainWindow();

            string task;
            int exp, res;

            //1
            task = "Покорить котика";

            exp = 0;
            res = _context.Tasks.Where(t => t.Task == task).Count();

            Assert.AreEqual(exp, res);

            //2
            task = "Раз очароваться в жизни";

            exp = 0;
            res = _context.Tasks.Where(t => t.Task == task).Count();

            Assert.AreEqual(exp, res);

            //3
            task = "Покакать в подушку";

            exp = 0;
            res = _context.Tasks.Where(t => t.Task == task).Count();

            Assert.AreEqual(exp, res);

            //4
            task = "Сдать практику";

            exp = 1;
            res = _context.Tasks.Where(t => t.Task == task).Count();

            Assert.AreEqual(exp, res);

            //5
            task = "Уехать в Красноярск";

            exp = 1;
            res = _context.Tasks.Where(t => t.Task == task).Count();

            Assert.AreEqual(exp, res);
        }
    }
}