public async Task CanDownloadFeed()
{
// Setup
var cacheMock = new Mock <ICache>();
var rssFeed = new RssFeed(cacheMock.Object);
// Act
await rssFeed.LoadFeed("http://feed.com/rss", XDocumentFactory.CreateSampleFeed());
// Verify
Assert.IsNotNull(rssFeed.FeedItems);
Assert.AreEqual(10, rssFeed.FeedItems.Count);
Assert.AreEqual("BBC News - UK", rssFeed.Title);
}
public void CanRemoveHtmlFromDescription()
{
// Setup
var xDoc = XDocumentFactory.CreateSampleFeed();
var firstEl = xDoc.Descendants("item").First();
firstEl.Element("description").Value = "some element <b>no html</b>";
// Act
var rssFeedItem = new RssFeedItem(firstEl);
// Verify
Assert.AreEqual("some element no html", rssFeedItem.Description);
}
public void RemovingHtmlCanHandleEmptyDescription()
{
// Setup
var xDoc = XDocumentFactory.CreateSampleFeed();
var firstEl = xDoc.Descendants("item").First();
firstEl.Element("description").Value = string.Empty;
// Act
var rssFeedItem = new RssFeedItem(firstEl);
// Verify
Assert.AreEqual(string.Empty, rssFeedItem.Description);
}
public async Task CanLoadFeedsSuccessfullyFromNetworkOnly()
{
// Setup
var cacheMock = new Mock <ICache>();
var requestMock = new Mock <IFeedRequest>();
var feedViewModel = new FeedViewModel(requestMock.Object, cacheMock.Object);
requestMock.Setup(x => x.MakeRequest(It.IsAny <string>()))
.ReturnsAsync(XDocumentFactory.CreateSampleFeed());
// Act
await feedViewModel.LoadFeeds();
// Verify
Assert.IsNotNull(feedViewModel.Feeds);
Assert.AreEqual(2, feedViewModel.Feeds.Count);
Assert.AreEqual("BBC News - UK", feedViewModel.Feeds[0].Title);
Assert.AreEqual(10, feedViewModel.Feeds[0].FeedItems.Count);
}
public async Task NoDuplicationsWhenUsingCache()
{
// Setup
var cacheMock = new Mock <ICache>();
var rssFeed = new RssFeed(cacheMock.Object);
var cachedFeed = new RssFeed()
{
Title = "BBC News - UK"
};
await rssFeed.LoadFeed("http://feed.com/rss", XDocumentFactory.CreateSampleFeed());
cacheMock.Setup(x => x.Get <RssFeed>(It.IsAny <string>()))
.ReturnsAsync(cachedFeed);
// Act
await rssFeed.LoadFeed("http://feed.com/rss", XDocumentFactory.CreateSampleFeed());
// Verify
Assert.IsNotNull(rssFeed.FeedItems);
Assert.AreEqual(10, rssFeed.FeedItems.Count);
Assert.AreEqual("BBC News - UK", rssFeed.Title);
}
