public async Task LongPollingTransportDispatchesMessagesReceivedFromPoll()
{
var message1Payload = new byte[] { (byte)'H', (byte)'e', (byte)'l', (byte)'l', (byte)'o' };
var firstCall = true;
var mockHttpHandler = new Mock <HttpMessageHandler>();
var sentRequests = new List <HttpRequestMessage>();
mockHttpHandler.Protected()
.Setup <Task <HttpResponseMessage> >("SendAsync", ItExpr.IsAny <HttpRequestMessage>(), ItExpr.IsAny <CancellationToken>())
.Returns <HttpRequestMessage, CancellationToken>(async(request, cancellationToken) =>
{
sentRequests.Add(request);
await Task.Yield();
if (firstCall)
{
firstCall = false;
return(ResponseUtils.CreateResponse(HttpStatusCode.OK, message1Payload));
}
return(ResponseUtils.CreateResponse(HttpStatusCode.NoContent));
});
using (var httpClient = new HttpClient(mockHttpHandler.Object))
{
var longPollingTransport = new LongPollingTransport(httpClient);
try
{
var connectionToTransport = Channel.CreateUnbounded <SendMessage>();
var transportToConnection = Channel.CreateUnbounded <byte[]>();
var channelConnection = new ChannelConnection <SendMessage, byte[]>(connectionToTransport, transportToConnection);
// Start the transport
await longPollingTransport.StartAsync(new Uri("http://fakeuri.org"), channelConnection, TransferMode.Binary, connection : new TestConnection());
// Wait for the transport to finish
await longPollingTransport.Running.OrTimeout();
// Pull Messages out of the channel
var messages = new List <byte[]>();
while (await transportToConnection.Reader.WaitToReadAsync())
{
while (transportToConnection.Reader.TryRead(out var message))
{
messages.Add(message);
}
}
// Check the provided request
Assert.Equal(2, sentRequests.Count);
// Check the messages received
Assert.Single(messages);
Assert.Equal(message1Payload, messages[0]);
}
finally
{
await longPollingTransport.StopAsync();
}
}
}