private static void TestSongAnalyzerExpectErrorMessage(QueueItem queueItem, ILoaderContext loaderContext, string message)
{
var volumeDetector = new VolumeDetectorMock();
var task = new SongAnalyzerTask(queueItem, loaderContext, volumeDetector);
var t = Task.Run(() => task.Run(CancellationToken.None));
var res = t.Result;
Assert.IsFalse(res.Ok);
Assert.AreSame(res.Error.Str, message);
}
private static SongAnalyzerResult TestSongAnalyzerExpectOk(QueueItem queueItem)
{
var loaderContext = new LoaderContextMock();
var volumeDetector = new VolumeDetectorMock();
var task = new SongAnalyzerTask(queueItem, loaderContext, volumeDetector);
var t = Task.Run(() => task.Run(CancellationToken.None));
var res = t.Result;
Assert.IsTrue(res.Ok);
return(res.Value);
}
public void RunSongAnalyzerTaskTest()
{
var queueItem = new QueueItem(Constants.Resource1AYoutube, new MetaData(null));
var queueItemGain = new QueueItem(Constants.Resource1AYoutubeGain, new MetaData(null));
{
// Item without gain gets the gain set
var res = TestSongAnalyzerExpectOk(queueItem);
var resource = res.Resource.BaseData;
var gain = resource.Gain;
Assert.IsTrue(gain.HasValue);
Assert.AreEqual(gain.Value, VolumeDetectorMock.VolumeSet);
}
{
// Item with gain set should not be changed
var res = TestSongAnalyzerExpectOk(queueItemGain);
var resource = res.Resource.BaseData;
Assert.AreSame(queueItemGain.AudioResource, resource);
}
{
// Failing load gets propagated
var loaderContext = new LoaderContextMock {
ShouldFailLoad = true
};
TestSongAnalyzerExpectErrorMessage(queueItem, loaderContext, LoaderContextMock.LoadFailedMessage);
}
{
// No restored link gets propagated
var loaderContext = new LoaderContextMock {
ShouldReturnNoRestoredLink = true
};
TestSongAnalyzerExpectErrorMessage(queueItem, loaderContext, LoaderContextMock.NoRestoredLinkMessage);
}
{
// Cancelling throws cancelled exception of volume detector
var loaderContext = new LoaderContextMock();
var volumeDetector = new VolumeDetectorMock();
var task = new SongAnalyzerTask(queueItem, loaderContext, volumeDetector);
Assert.Throws <TaskCanceledException>(() => task.Run(new CancellationToken(true)));
}
}
