public void Handle_samples_and_publish_peaks()
{
var ctx = new ContextFor <SamplesHandlerPeakPublisher>();
var sut = ctx.BuildSut();
sut.Should().BeAssignableTo <IHandle <SamplesReceivedEvent> >();
var events = ctx.For <IEventAggregator>();
events.Received().Subscribe(sut);
var waveFormat = new WaveFormat(8000, 1);
var start = TimeSpan.Zero;
var duration = TimeSpan.FromSeconds(1);
var data = waveFormat.Generate(duration);
var samples = new SamplesReceivedEvent(new Uri("some://uri/"), start, waveFormat, data);
PeaksReceivedEvent actualPeaks = null;
events.When(x => x.PublishOnCurrentThread(Arg.Any <PeaksReceivedEvent>())).Do(x => actualPeaks = x.Arg <PeaksReceivedEvent>());
var peakProvider = ctx.For <IPeakProvider>();
WaveFormat actualWaveformat = null;
byte[] actualData = null;
peakProvider.Sample(Arg.Any <WaveFormat>(), Arg.Any <byte[]>()).Returns(x =>
{
actualWaveformat = x.Arg <WaveFormat>();
actualData = x.Arg <byte[]>();
return(new[] { new PeakInfo(-1, 1) });
});
sut.Handle(samples);
actualPeaks.Source.Should().Be(samples.Source);
actualPeaks.Start.Should().Be(samples.Start.TotalSeconds);
actualPeaks.End.Should().Be((samples.Start + duration).TotalSeconds);
actualWaveformat.Should().BeSameAs(waveFormat);
actualData.Should().BeSameAs(samples.Data);
}