public async Task DoWork()
{
var retriever = new ImageRetrieverService(limit: _imgPerPage);
var results = await retriever.RetrieveImages(Link);
Images = results.ToObservableCollection();
}
public void RetrieveImages_UnknownSite_ReturnsEmptyList()
{
var testUrl = "https://www.google.com";
var service = new ImageRetrieverService();
List <OnlineImageResult> results = service.RetrieveImages(testUrl).Result;
Assert.AreEqual(0, results.Count);
}
public void RetrieveImages_KnownSiteDifferentLimit_ReturnsCorrectInfo()
{
var testUrl = "https://www.instagram.com/aimyon36/";
var service = new ImageRetrieverService(limit: 3);
List <OnlineImageResult> results = service.RetrieveImages(testUrl).Result;
Assert.AreEqual(3, results.Count);
OnlineImageResult third = results[2];
StringAssert.Contains(third.Link, "jpg");
}
public void RetrieveImages_KnownSiteDefaultLimit_ReturnsCorrectInfo()
{
var testUrl = "https://www.instagram.com/aimyon36/";
var service = new ImageRetrieverService();
List <OnlineImageResult> results = service.RetrieveImages(testUrl).Result;
Assert.AreEqual(2, results.Count);
OnlineImageResult first = results[0];
StringAssert.Contains(first.Link, "jpg");
}
/// Populate indexed search results in queue with images found from their link
private async Task FetchPreviewImages()
{
while (_fetchImageQueue.Count > 0)
{
var currRes = _fetchImageQueue.Dequeue();
var result = _results[currRes];
var images = await _iretriever.RetrieveImages(result.Link);
if (images != null && images.Count > 0)
{
result.Images = images;
}
_results[currRes] = result;
}
}