public async Task FastDownloadWorks()
{
var downloader = new FeedDownloaderStub();
var series = new Series();
await series.SetEpisodes(Task.FromResult(new List<Episode>().AsEnumerable()));
downloader.SetResult(Task.FromResult(series));
var underTest = new PodcastCollection(downloader);
Assert.AreEqual(7, underTest.AllGroups.Count);
}
public async Task ExcpetionsCreateEmptySeries()
{
var downloader = new FeedDownloaderStub();
var series = new Series();
var episodeTCS = new TaskCompletionSource<IEnumerable<Episode>>();
var downloadTCS = new TaskCompletionSource<Series>();
var parseTask = series.SetEpisodes(episodeTCS.Task);
downloader.SetResult(downloadTCS.Task);
var underTest = new PodcastCollection(downloader);
episodeTCS.TrySetResult(new List<Episode>().AsEnumerable());
downloadTCS.TrySetException(new NullReferenceException());
await parseTask;
Assert.AreEqual(0, underTest.AllGroups.Count);
}
public async Task SlowDownloadWorks()
{
var downloader = new FeedDownloaderStub();
var series = new Series();
var episodeTCS = new TaskCompletionSource<IEnumerable<Episode>>();
var downloadTCS = new TaskCompletionSource<Series>();
var parseTask = series.SetEpisodes(episodeTCS.Task);
downloader.SetResult(downloadTCS.Task);
var underTest = new PodcastCollection(downloader);
episodeTCS.TrySetResult(new List<Episode>().AsEnumerable());
downloadTCS.TrySetResult(series);
await parseTask;
Assert.AreEqual(7, underTest.AllGroups.Count);
}
public void NullDownloaderFails()
{
var undertest = new PodcastCollection(default(IFeedDownloader));
Assert.AreEqual(0, undertest.AllGroups.Count);
}