private async Task <ISavedImage> SaveImage(IImage image, ImageSourceId sourceId)
{
ImageId id = await image.GetId();
_logger.Information("Saving image {ImageId} from source {SourceId}", id.Value, sourceId.Value);
ISavedImage savedImage = await _imageRepository.SaveImage(new SourceQualifiedImageId(sourceId, id), image.GetImageStream);
_logger.Information("Saved image {ImageId} from source {SourceId}", id.Value, sourceId.Value);
return(savedImage);
}
public Task <Option <ISavedImage> > Dequeue()
{
if (!_queue.Any())
{
return(Task.FromResult(Option.None <ISavedImage>()));
}
ISavedImage image = _queue.Dequeue();
_logger.Information("Dequeuing image {ImageId} from source {SourceId}", image.Id.ImageId.Value, image.Id.SourceId.Value);
return(Task.FromResult(image.Some()));
}
public async Task SaveImage_PersistsImage_ReturnsImageThatCanBeFetchedFromPersistence()
{
var getImageStream = A.Fake <Func <Task <Stream> > >();
ISavedImage savedImage = await _imageRepository.SaveImage(_imageId, getImageStream);
A.CallTo(() => _imagePersistence.SaveImage(_imageId.SourceId.Value, _imageId.ImageId.Value, getImageStream, A <ILogger> ._))
.MustHaveHappened(Repeated.Exactly.Once);
savedImage.Id.Should().Be(_imageId);
(await savedImage.GetStream()).Should().Be(_imageStreamFromPersistence);
}
public async Task Dequeue_HasItemsInQueue_PullsFirstItemFromQueue()
{
ISavedImage firstImageInQueue = CreateSavedImage("1");
await _sut.Enqueue(new[] { firstImageInQueue, CreateSavedImage("2"), CreateSavedImage("3") });
var dequeued = await _sut.Dequeue();
ImageIds().Should().Equal("2", "3");
dequeued.HasValue.Should().BeTrue();
dequeued.ValueOrFailure().Should().Be(firstImageInQueue);
}
