public async Task CopyTo_MessageStreamCopied()
{
var streamProvider = new MessageStreamProvider <IRawInboundEnvelope>();
var chunkStream = new ChunkStream(streamProvider.CreateStream <IRawInboundEnvelope>());
var output = new MemoryStream(Encoding.UTF8.GetBytes("some junk-"));
var copyTask = Task.Run(() => chunkStream.CopyTo(output));
await streamProvider.PushAsync(
new RawInboundEnvelope(
Encoding.UTF8.GetBytes("Silver"),
null,
TestConsumerEndpoint.GetDefault(),
"test",
new TestOffset()));
await streamProvider.PushAsync(
new RawInboundEnvelope(
Encoding.UTF8.GetBytes("back"),
null,
TestConsumerEndpoint.GetDefault(),
"test",
new TestOffset()));
await streamProvider.CompleteAsync();
await copyTask;
chunkStream.Close();
Encoding.UTF8.GetString(output.ToArray()).Should().Be("Silverback");
}