public async Task ManyStreamingServerCallsSingleClientTest()
{
GrpcCore.Server server = this.StartSimpleServiceServer();
GrpcCore.Channel channel = new GrpcCore.Channel($"127.0.0.1:{GrpcTestPort}", GrpcCore.ChannelCredentials.Insecure);
var client = new SimpleCoreService.SimpleCoreServiceClient(channel);
List <Task> activeCalls = new List <Task>();
const int TotalClientCalls = 100;
const int ClientId = 0;
TaskCompletionSource <bool> tasksQueuedCompletionSource = new TaskCompletionSource <bool>();
var callsCounter = new CallsCounter {
nTotalCalls = TotalClientCalls, tasksQueueTask = tasksQueuedCompletionSource.Task
};
this.activeCallCountersDictionary.Add(ClientId, callsCounter);
for (int i = 0; i < 100; i++)
{
activeCalls.Add(MakeStreamingServerCalls(client, ClientId, 10, 10));
lock (callsCounter)
{
callsCounter.nActiveCalls++;
}
}
Assert.AreEqual(TotalClientCalls, callsCounter.nActiveCalls);
tasksQueuedCompletionSource.SetResult(true);
await Task.WhenAll(activeCalls);
Assert.AreEqual(0, callsCounter.nActiveCalls);
await server.ShutdownAsync();
}
private static async Task MakeStreamingServerCalls(SimpleCoreService.SimpleCoreServiceClient client, int clientId, int initialValue, int nResponses)
{
using (var streamingCall = client.ServerStreamTest(new StreamRequest {
ClientId = clientId, StartValue = 10
}))
{
int expectedValue = 10;
while (await streamingCall.ResponseStream.MoveNext(CancellationToken.None))
{
Assert.AreEqual(expectedValue, streamingCall.ResponseStream.Current.Value);
expectedValue++;
}
Assert.AreEqual(expectedValue, initialValue + nResponses);
}
}