public void AddImagesToFeeds_AddsExpectedUrls() { //Arrange string expected = "https://techbeacon.com/sites/default/files/styles/social/public/field/image/api-management-open-sign.jpg"; List <Feed> feedList = new List <Feed>(); Feed feed1 = new Feed() { Author = "test", Description = "test", ImageUrl = "" }; Feed feed2 = new Feed() { Author = "test1", Description = "test1", ImageUrl = "<media:content url=\"https://techbeacon.com/sites/default/files/styles/social/public/field/image/api-management-open-sign.jpg\" " + "medium=\"image\" type=\"image/jpeg\" width=\"1024\" height=\"480\" xmlns:media=\"http://search.yahoo.com/mrss/\" />" }; feedList.Add(feed1); feedList.Add(feed2); //Act var list = rssFeedService.AddImagesToFeedList(feedList); //Assert Assert.Equal(2, list.Count); Assert.Equal(expected, list[1].ImageUrl); Assert.NotEqual("", list[0].ImageUrl); Assert.StartsWith("https", list[1].ImageUrl); }