public async Task Delete_ReturnsNull()
{
// arrange
var guest = new Guest {
guestId = 123, name = "Guest1", email = "*****@*****.**", isGoing = true, eventId = 1
};
_guestQueryMock.Setup(x => x.GetByGuestId(It.IsAny <int>()))
.Returns(Task.Factory.StartNew(() => guest));
_guestQueryMock.Setup(x => x.DeleteByGuestId(It.IsAny <int>()))
.Returns(Task.Factory.StartNew(() => true));
// act
var task = await _sut.DeleteByGuestId(0);
// assert
Assert.IsType <OkObjectResult>(task);
var result = task as OkObjectResult;
var guestResult = result.Value as bool?;
Assert.True(guestResult);
}
