public void DownloadAsync()
{
AsyncDownloader downloader = new AsyncDownloader();
string url = "http://localhost:51234/";
string expected = "That's a nice string you have there";
HttpListener listener = new HttpListener();
listener.Prefixes.Add(url);
listener.Start();
listener.BeginGetContext(result =>
{
HttpListenerContext context = listener.EndGetContext(result);
using (StreamWriter writer = new StreamWriter(context.Response.OutputStream))
{
writer.Write(expected);
writer.Flush();
}
}, null);
string actual = downloader.DownloadAsync(url).Result;
listener.Stop();
listener.Close();
Assert.AreEqual(expected, actual);
}
public void DownloadAsyncTimeout()
{
AsyncDownloader downloader = new AsyncDownloader();
string url = "http://localhost:51234/";
int timeout = 250;
HttpListener listener = new HttpListener();
listener.Prefixes.Add(url);
listener.Start();
Assert.That(async() => await downloader.DownloadAsync(url, timeout), Throws.InstanceOf <TaskCanceledException>());
listener.Stop();
listener.Close();
}