public void DoStuff()
{
var c = new ThirdPartyYoutube();
c.GetVideoInfo(100);
c.GetVideoInfo(100);
c.DownloadVideo(100);
c.DownloadVideo(100);
c.ListVideos();
CollectionAssert.AreEqual(new[] {
"Get video 100",
"Get video 100", // nackdel: inget cache'as
"Download video 100",
"Download video 100", // nackdel: inget cache'as
"List all videos"
}, c.Events.ToArray());
// Fördel: ingen extra kod
}
// Inget intressant här, inget cache'as
public IEnumerable <Video> ListVideos()
{
_events.Enqueue($"List all videos");
return(_thirdPartyYoutube.ListVideos());
}