public async Task GetGuestsAsync_ReturnsEmptyList_IfNoGuests()
{
// Arrange
var mapperConfig = new MapperConfiguration(cfg => cfg.AddProfile <MappingProfile>());
var mapper = mapperConfig.CreateMapper();
var options = await SetupTestDatabaseAsync(new List <Guest>());
var httpContextAccessor = new Mock <IHttpContextAccessor>();
var guestRepository = new GuestRepository(new WeddingPlannerDbContext(options, httpContextAccessor.Object));
var guestService = new GuestService(mapper, guestRepository);
// Act
var result = await guestService.GetGuestsAsync();
// Assert
result.Should().NotBeNull();
result.Should().BeOfType <GuestListResponse>();
result.Item.Guests.Should().NotBeNull();
result.Item.Guests.Should().BeEmpty();
}