public async Task StreamingSession_SendRequest_ParameterValidation()
{
// Arrange
var transportHandler = new Mock <TransportHandler>(new Mock <IDuplexPipe>().Object, NullLogger.Instance);
var session = new StreamingSession(new Mock <RequestHandler>().Object, transportHandler.Object, NullLogger.Instance);
// Act + Assert
await Assert.ThrowsAsync <ArgumentNullException>(() => session.SendRequestAsync(null, CancellationToken.None));
}
/// <summary>
/// Sends a streaming request through the connection.
/// </summary>
/// <param name="request"><see cref="StreamingRequest"/> to be sent.</param>
/// <param name="cancellationToken"><see cref="CancellationToken"/> to cancel the send process.</param>
/// <returns>The <see cref="ReceiveResponse"/> returned from the client.</returns>
public virtual async Task <ReceiveResponse> SendStreamingRequestAsync(StreamingRequest request, CancellationToken cancellationToken = default)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
// This request could come fast while the session, transport and application are still being set up.
// Wait for the session to signal that application and transport started before using the session.
await _sessionInitializedTask.Task.ConfigureAwait(false);
if (_session == null)
{
throw new InvalidOperationException("Cannot send streaming request since the session is not set up.");
}
return(await _session.SendRequestAsync(request, cancellationToken).ConfigureAwait(false));
}
public async Task StreamingSession_SendRequest_ReceiveResponse(int streamLength, int streamCount, int chunkCount)
{
// Arrange
var request = new StreamingRequest()
{
Verb = "GET",
Path = "api/version",
Streams = new List <ResponseMessageStream>()
};
request.AddStream(new StringContent("Hello human, I'm Bender!"));
var requestHandler = new Mock <RequestHandler>();
var requestCompletionSource = new TaskCompletionSource <bool>();
requestHandler
.Setup(r => r.ProcessRequestAsync(It.IsAny <ReceiveRequest>(), null, null, CancellationToken.None))
.ReturnsAsync(() => new StreamingResponse()
{
StatusCode = 200
})
.Callback(() => requestCompletionSource.SetResult(true));
var transportHandler = new Mock <TransportHandler>(new Mock <IDuplexPipe>().Object, NullLogger.Instance);
var responseCompletionSource = new TaskCompletionSource <bool>();
var transportHandlerSetup = transportHandler.Setup(t => t.SendRequestAsync(It.IsAny <Guid>(), It.IsAny <RequestModel>(), CancellationToken.None));
var session = new StreamingSession(requestHandler.Object, transportHandler.Object, NullLogger.Instance);
Header responseHeader = null;
ReceiveResponse response = null;
transportHandlerSetup.Callback(
(Guid requestId, RequestModel requestPayload, CancellationToken cancellationToken) =>
{
responseHeader = new Header()
{
Id = requestId, Type = PayloadTypes.Response
};
response = new ReceiveResponse()
{
StatusCode = 200, Streams = StreamingDataGenerator.CreateStreams(requestId, streamLength, streamCount, chunkCount, PayloadTypes.Response)
};
session.ReceiveResponse(responseHeader, response);
foreach (AugmentedStreamDefinition definition in response.Streams)
{
var chunkList = definition.Chunks;
for (int i = 0; i < chunkCount; i++)
{
bool isLast = i == chunkCount - 1;
session.ReceiveStream(
new Header()
{
End = isLast, Id = definition.Id, PayloadLength = chunkList[i].Length, Type = PayloadTypes.Stream
},
chunkList[i]);
}
}
});
// Act
var responseTask = session.SendRequestAsync(request, CancellationToken.None);
var responseWithTimeout = await Task.WhenAny(responseTask, Task.Delay(TimeSpan.FromSeconds(5)));
// Assert
Assert.Equal(responseTask, responseWithTimeout);
var receivedResponse = await responseTask;
Assert.Equal(response.StatusCode, receivedResponse.StatusCode);
Assert.Equal(response.Streams.Count, receivedResponse.Streams.Count);
Assert.True(response.Streams.SequenceEqual(receivedResponse.Streams));
}