public void EventListeningTest()
{
var yc = new YoutubeContext(Url, true) {BaseDirectory = new DirectoryInfo(Path.GetTempPath())};
var ad = new AudioDownloader(yc);
var sb = new StringBuilder();
yc.DownloadFailed += (sender, args) => {
Debug.WriteLine(args.Subject + "\n" + args.Exception);
sb.AppendLine(args.Subject + "\n" + args.Exception);
};
yc.ProgresStateChanged += (sender, args) => {
if (args.UIHandled || args.Stage != YoutubeStage.ExtractingAudio)
return;
Debug.Write(args.Precentage.ToString("A###") + " ");
sb.Append(args.Precentage.ToString("A###") + " ");
args.UIHandled = true;
};
yc.ProgresStateChanged += (sender, args) => {
if (args.UIHandled || args.Stage != YoutubeStage.Downloading)
return;
Debug.Write(args.Precentage.ToString("D###") + " ");
sb.Append(args.Precentage.ToString("D###") + " ");
args.UIHandled = true;
};
yc.ProgresStateChanged += (sender, args) => {
if (args.UIHandled)
return;
Debug.Write($"{{{args.Stage.ToString()}}}");
sb.Append($"{{{args.Stage.ToString()}}}");
};
DownloadUrlResolver.FindHighestAudioQualityDownloadUrl(yc);
try {
ad.Execute();
yc.WaitForThumbnail();
Assert.IsTrue(File.Exists(yc.AudioPath?.FullName ?? "/"));
Debug.WriteLine(yc.AudioPath?.FullName ?? "");
} finally {
if (yc.AudioPath != null && File.Exists(yc.AudioPath.FullName))
File.Delete(yc.AudioPath.FullName);
}
var events = Enum.GetValues(typeof(YoutubeStage)).Cast<YoutubeStage>()
.Where(s =>
s != YoutubeStage.DecipheringUrls
&& s != YoutubeStage.Downloading
&& s != YoutubeStage.ExtractingAudio
&& s != YoutubeStage.Undefined
)
.Select(ys => $"{{{ys}}}").ToArray();
var c = sb.ToString();
foreach (var @event in events)
Assert.IsTrue(c.Contains(@event), $"c.Contains(YoutubeStage.{@event})");
}