Repository.Delete C# (CSharp) Method

        public void Delete<T>(T entity)
        {
            Reconnect(_session);
            try
            {
                _session.Delete(entity);
            }
            finally
            {
                Disconnect(_session);
            }
        }
        /// <summary>

        public void BasicCrud()
        {
            using (var trans = DataSource.BeginTransaction())
            {

                var repo = new Repository<Employee, int>(trans, EmployeeTableName);

                var emp1 = new Employee() { FirstName = "Tom", LastName = "Jones", Title = "President" };
                var echo1 = repo.Insert(emp1);

                Assert.AreNotEqual(0, echo1.EmployeeKey, "EmployeeKey was not set");
                Assert.AreEqual(emp1.FirstName, echo1.FirstName, "FirstName");
                Assert.AreEqual(emp1.LastName, echo1.LastName, "LastName");
                Assert.AreEqual(emp1.Title, echo1.Title, "Title");

                echo1.MiddleName = "G";
                repo.Update(echo1);

                var emp2 = new Employee() { FirstName = "Lisa", LastName = "Green", Title = "VP Transportation", ManagerKey = echo1.EmployeeKey };
                var echo2 = repo.Insert(emp2);
                Assert.AreNotEqual(0, echo2.EmployeeKey, "EmployeeKey was not set");
                Assert.AreEqual(emp2.FirstName, echo2.FirstName, "FirstName");
                Assert.AreEqual(emp2.LastName, echo2.LastName, "LastName");
                Assert.AreEqual(emp2.Title, echo2.Title, "Title");
                Assert.AreEqual(emp2.ManagerKey, echo2.ManagerKey, "ManagerKey");

                var list = repo.GetAll();
                Assert.IsTrue(list.Any(e => e.EmployeeKey == echo1.EmployeeKey), "Employee 1 is missing");
                Assert.IsTrue(list.Any(e => e.EmployeeKey == echo2.EmployeeKey), "Employee 2 is missing");

                var get1 = repo.Get(echo1.EmployeeKey.Value);
                Assert.AreEqual(echo1.EmployeeKey, get1.EmployeeKey);



                var whereSearch1 = repo.Query("FirstName = @FN", new { FN = "Tom" });
                Assert.IsTrue(whereSearch1.Any(x => x.EmployeeKey == echo1.EmployeeKey), "Emp1 should have been returned");
                Assert.IsTrue(whereSearch1.All(x => x.FirstName == "Tom"), "Checking for incorrect return values");

                var whereSearch2 = repo.Query(new { FirstName = "Tom" });
                Assert.IsTrue(whereSearch2.Any(x => x.EmployeeKey == echo1.EmployeeKey), "Emp1 should have been returned");
                Assert.IsTrue(whereSearch2.All(x => x.FirstName == "Tom"), "Checking for incorrect return values");


                repo.Delete(echo2.EmployeeKey.Value);
                repo.Delete(echo1.EmployeeKey.Value);

                var list2 = repo.GetAll();
                Assert.AreEqual(list.Count - 2, list2.Count);

                trans.Commit();
            }

        }