private static Task Start(CancellationToken cancelToken)
{
return(Task.Run(async() =>
{
var targetSize = new Size(1920, 1080);
var gridSize = new Size(128, 80);
Image targetImage = null;
var assembly = Assembly.GetExecutingAssembly();
var resourceName = "Mosaic.Console.TestImage.png";
using (Stream stream = assembly.GetManifestResourceStream(resourceName))
{
targetImage = Image.FromStream(stream);
}
var mosaic = new Mosaic.Core.Mosaic(targetImage, targetSize, gridSize);
var imageSource = new ImgurImageSource(new ImgurQuery("title: dog"), cancelToken);
var featureExtractor = new BasicImageFeatureExtractor();
var resultImage = await mosaic.Build(imageSource, featureExtractor, cancelToken);
var path = Path.Combine(Path.GetTempPath(), "mosaic", $"Mosaic-{DateTime.Now.ToString("yyyyMMdd-HHmmss")}.png");
ImageUtils.SaveImageToFile(resultImage, path);
System.Console.WriteLine($"Writing completed Mosaic to file: {path}");
_completedEvent.Set();
}));
}
public async void GetContent_given_valid_url_of_invalid_imageformat_returns_null()
{
var mock = new Mock <ImgurRatelimiter>(null);
mock.Setup(m => m.IsRequestAllowed()).Returns(true);
mock.Setup(m => m.LimitsHaveBeenLoaded()).Returns(true);
var imageId = "example";
var output = new ImgurImage {
Height = 5, Width = 10, Title = "test", Link = $"i.imgur.com/{imageId}", Type = "image/png"
};
var handler = StubHttpClient.GetHandler();
handler.AddResponse(new Uri($"https://api.imgur.com/3/image/{imageId}"), HttpStatusCode.OK, new ApiHelper <ImgurImage> {
Data = output
});
var source = new ImgurImageSource(StubHttpClient.Create(handler), mock.Object);
source.Settings = CreateSettings();
var result = await source.GetContent(imageId);
Assert.Null(result);
mock.Verify(i => i.LimitsHaveBeenLoaded(), Times.Once);
mock.Verify(i => i.IsRequestAllowed(), Times.Once);
}
public async void GetContent_when_ratelimiter_refuses_request_returns_empty_album()
{
var mock = new Mock <ImgurRatelimiter>(null);
mock.Setup(m => m.IsRequestAllowed()).Returns(false);
mock.Setup(m => m.LimitsHaveBeenLoaded()).Returns(true);
var source = new ImgurImageSource(null, mock.Object);
var result = await source.GetContent("example");
Assert.Null(result);
mock.Verify(i => i.LimitsHaveBeenLoaded(), Times.Once);
mock.Verify(i => i.IsRequestAllowed(), Times.Once);
}
public async void GetContent_given_nonexistant_url_returns_null()
{
var mock = new Mock <ImgurRatelimiter>(null);
mock.Setup(m => m.IsRequestAllowed()).Returns(true);
mock.Setup(m => m.LimitsHaveBeenLoaded()).Returns(true);
var imageId = "example";
var handler = StubHttpClient.GetHandler();
handler.AddResponse(new Uri($"https://api.imgur.com/3/image/{imageId}"), HttpStatusCode.NotFound, new object());
var source = new ImgurImageSource(StubHttpClient.Create(handler), mock.Object);
var result = await source.GetContent(imageId);
Assert.Null(result);
mock.Verify(i => i.LimitsHaveBeenLoaded(), Times.Once);
mock.Verify(i => i.IsRequestAllowed(), Times.Once);
}
