public void GetAll_Test()
{
var logger = new Mock <IActionLogger>().Object;
var directoryService = new Mock <IDirectoryService>().Object;
var imagesService = new GetImagesService(directoryService);
var imagesController = new ImagesController(imagesService, logger);
var jsonResult = imagesController.GetAll();
var files = jsonResult.Value as List <ImageListItem>;
Assert.NotNull(jsonResult);
Assert.NotNull(files);
}