public void CanGetImagesFromRssFeed()
{
string description = string.Format(@"<p><a href=""{0}""><img src=""http://thepaperwall.com/wallpapers/people/small/small_584778739bace9b64fb91975340190ed2f64a51d.jpg?x=130&y=89&q=85&sig=SVA2qhNVOsYltxwW7ULPyQ--"" align=""left"" height=""150"" width=""240""/>", expectedImageUrl);
var rssChannelItem = new rssChannelItem
{
description =
description
};
var rssChannelItem2 = new rssChannelItem
{
description =
description
};
RssReader reader = new RssReader();
var rss = new rss
{
channel = new rssChannel
{
item = new rssChannelItem[] { rssChannelItem, rssChannelItem2 }
}
};
List<PWImage> imageUrls = reader.GetImageUrls(rss);
Assert.AreEqual(2, imageUrls.Count);
foreach (var image in imageUrls)
{
Assert.AreEqual(expectedImageUrl, image.imageUrl);
}
}
public void GetRssItemsParseTheUrlImagesFromFeedFilterOutAlreadyDownloadedImagesAndSetTheThemeOnEachImage()
{
var rssReader = MockRepository.GenerateMock<IRssReader>();
PaperWallRssParser parser = new PaperWallRssParser(rssReader);
var themes = new List<Theme>();
themes.Add(new Theme{FeedUrl= "url1"});
themes.Add(new Theme { FeedUrl = "url2" });
var url1Rss = new rss();
var url2Rss = new rss();
var url1RssTask = Task<rss>.Run(() => { return url1Rss; });
var url2RssTask = Task<rss>.Run(() => { return url2Rss; });
rssReader.Expect(a => a.GetFeed(Arg<string>.Is.Equal("url1"))).Return(url1RssTask);
rssReader.Expect(a => a.GetFeed(Arg<string>.Is.Equal("url2"))).Return(url2RssTask);
var url1Images = new List<PWImage>{new PWImage()};
var url2Image =new List<PWImage> { new PWImage(), new PWImage() };
rssReader.Expect(a => a.GetImageUrls(Arg<rss>.Is.Equal(url1Rss))).Return(url1Images);
rssReader.Expect(a => a.GetImageUrls(Arg<rss>.Is.Equal(url2Rss))).Return(url2Image);
var pwImages = parser.GetImages(themes).Result;
rssReader.VerifyAllExpectations();
Assert.AreEqual(3, pwImages.Count);
Assert.AreEqual(themes[0],pwImages[0].Theme);
Assert.AreEqual(themes[1], pwImages[1].Theme);
Assert.AreEqual(themes[1], pwImages[2].Theme);
}
public List<PWImage> GetImageUrls(rss feed)
{
var images = new List<PWImage>();
HtmlDocument doc = new HtmlDocument();
foreach (var rssChannelItem in feed.channel.item)
{
var html = rssChannelItem.description;
doc.LoadHtml(html);
var imageUrl = doc.DocumentNode.ChildNodes[1].Attributes[0].Value;
images.Add(new PWImage { imageUrl = imageUrl });
}
return images;
}
