public void Exist_ReturnsFalse()
        {
            var options = new DbContextOptionsBuilder <ApplicationDbContext>().UseInMemoryDatabase(Guid.NewGuid().ToString()).Options;

            using (var dbContext = new ApplicationDbContext(options))
            {
                var employeesService = new EmployeesService(dbContext);
                var result           = employeesService.Exists("asfalsfha");

                Assert.False(result);
            }
        }
        public void Exist_ReturnsTrue()
        {
            var options = new DbContextOptionsBuilder <ApplicationDbContext>().UseInMemoryDatabase(Guid.NewGuid().ToString()).Options;

            using (var dbContext = new ApplicationDbContext(options))
            {
                JobPosition jobPosition = new JobPosition()
                {
                    Name = "newJobPos",
                };
                dbContext.JobPositions.Add(jobPosition);
                dbContext.SaveChanges();

                OperatingLocation operatingLocation = new OperatingLocation()
                {
                    Town     = "Sofia",
                    Address  = "test street",
                    ImageUrl = "kgkkkgk",
                };
                dbContext.OperatingLocations.Add(operatingLocation);
                dbContext.SaveChanges();

                Employee employee = new Employee()
                {
                    FirstName           = "Ivan",
                    MiddleName          = "Ivanov",
                    LastName            = "Ivanov",
                    PhoneNumber         = "0897924218",
                    Email               = "*****@*****.**",
                    Town                = "Sofia",
                    Address             = "address 1",
                    ImageUrl            = "aasdfag",
                    OperatingLocationId = operatingLocation.Id,
                    JobPositionId       = jobPosition.Id,
                };

                dbContext.Employees.Add(employee);
                dbContext.SaveChanges();

                var employeesService = new EmployeesService(dbContext);
                var result           = employeesService.Exists(employee.Id);

                Assert.True(result);
            }
        }