public static async Task RunStatusCodeAndMessageAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running status_code_and_message");
var echoStatus = new EchoStatus
{
Code = 2,
Message = "test status message"
};
{
// step 1: test unary call
var request = new SimpleRequest { ResponseStatus = echoStatus };
var e = Assert.Throws<RpcException>(() => client.UnaryCall(request));
Assert.AreEqual(StatusCode.Unknown, e.Status.StatusCode);
Assert.AreEqual(echoStatus.Message, e.Status.Detail);
}
{
// step 2: test full duplex call
var request = new StreamingOutputCallRequest { ResponseStatus = echoStatus };
var call = client.FullDuplexCall();
await call.RequestStream.WriteAsync(request);
await call.RequestStream.CompleteAsync();
try
{
// cannot use Assert.ThrowsAsync because it uses Task.Wait and would deadlock.
await call.ResponseStream.ToListAsync();
Assert.Fail();
}
catch (RpcException e)
{
Assert.AreEqual(StatusCode.Unknown, e.Status.StatusCode);
Assert.AreEqual(echoStatus.Message, e.Status.Detail);
}
}
Console.WriteLine("Passed!");
}
public static async Task RunTimeoutOnSleepingServerAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running timeout_on_sleeping_server");
var deadline = DateTime.UtcNow.AddMilliseconds(1);
using (var call = client.FullDuplexCall(deadline: deadline))
{
try
{
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest { Payload = CreateZerosPayload(27182) });
}
catch (InvalidOperationException)
{
// Deadline was reached before write has started. Eat the exception and continue.
}
catch (RpcException)
{
// Deadline was reached before write has started. Eat the exception and continue.
}
try
{
await call.ResponseStream.MoveNext();
Assert.Fail();
}
catch (RpcException ex)
{
// We can't guarantee the status code always DeadlineExceeded. See issue #2685.
Assert.Contains(ex.Status.StatusCode, new[] { StatusCode.DeadlineExceeded, StatusCode.Internal });
}
}
Console.WriteLine("Passed!");
}
public static async Task RunCustomMetadataAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running custom_metadata");
{
// step 1: test unary call
var request = new SimpleRequest
{
ResponseSize = 314159,
Payload = CreateZerosPayload(271828)
};
var call = client.UnaryCallAsync(request, headers: CreateTestMetadata());
await call.ResponseAsync;
var responseHeaders = await call.ResponseHeadersAsync;
var responseTrailers = call.GetTrailers();
Assert.AreEqual("test_initial_metadata_value", responseHeaders.First((entry) => entry.Key == "x-grpc-test-echo-initial").Value);
CollectionAssert.AreEqual(new byte[] { 0xab, 0xab, 0xab }, responseTrailers.First((entry) => entry.Key == "x-grpc-test-echo-trailing-bin").ValueBytes);
}
{
// step 2: test full duplex call
var request = new StreamingOutputCallRequest
{
ResponseParameters = { new ResponseParameters { Size = 31415 } },
Payload = CreateZerosPayload(27182)
};
var call = client.FullDuplexCall(headers: CreateTestMetadata());
var responseHeaders = await call.ResponseHeadersAsync;
await call.RequestStream.WriteAsync(request);
await call.RequestStream.CompleteAsync();
await call.ResponseStream.ToListAsync();
var responseTrailers = call.GetTrailers();
Assert.AreEqual("test_initial_metadata_value", responseHeaders.First((entry) => entry.Key == "x-grpc-test-echo-initial").Value);
CollectionAssert.AreEqual(new byte[] { 0xab, 0xab, 0xab }, responseTrailers.First((entry) => entry.Key == "x-grpc-test-echo-trailing-bin").ValueBytes);
}
Console.WriteLine("Passed!");
}
public static async Task RunCancelAfterFirstResponseAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running cancel_after_first_response");
var cts = new CancellationTokenSource();
using (var call = client.FullDuplexCall(cancellationToken: cts.Token))
{
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest
{
ResponseParameters = { new ResponseParameters { Size = 31415 } },
Payload = CreateZerosPayload(27182)
});
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.AreEqual(31415, call.ResponseStream.Current.Payload.Body.Length);
cts.Cancel();
try
{
// cannot use Assert.ThrowsAsync because it uses Task.Wait and would deadlock.
await call.ResponseStream.MoveNext();
Assert.Fail();
}
catch (RpcException ex)
{
Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
}
}
Console.WriteLine("Passed!");
}
public static async Task RunEmptyStreamAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running empty_stream");
using (var call = client.FullDuplexCall())
{
await call.RequestStream.CompleteAsync();
var responseList = await call.ResponseStream.ToListAsync();
Assert.AreEqual(0, responseList.Count);
}
Console.WriteLine("Passed!");
}
public static async Task RunPingPongAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running ping_pong");
using (var call = client.FullDuplexCall())
{
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest
{
ResponseParameters = { new ResponseParameters { Size = 31415 } },
Payload = CreateZerosPayload(27182)
});
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.AreEqual(31415, call.ResponseStream.Current.Payload.Body.Length);
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest
{
ResponseParameters = { new ResponseParameters { Size = 9 } },
Payload = CreateZerosPayload(8)
});
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.AreEqual(9, call.ResponseStream.Current.Payload.Body.Length);
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest
{
ResponseParameters = { new ResponseParameters { Size = 2653 } },
Payload = CreateZerosPayload(1828)
});
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.AreEqual(2653, call.ResponseStream.Current.Payload.Body.Length);
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest
{
ResponseParameters = { new ResponseParameters { Size = 58979 } },
Payload = CreateZerosPayload(45904)
});
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.AreEqual(58979, call.ResponseStream.Current.Payload.Body.Length);
await call.RequestStream.CompleteAsync();
Assert.IsFalse(await call.ResponseStream.MoveNext());
}
Console.WriteLine("Passed!");
}
public static async Task RunTimeoutOnSleepingServerAsync(TestService.ITestServiceClient client)
{
Console.WriteLine("running timeout_on_sleeping_server");
var deadline = DateTime.UtcNow.AddMilliseconds(1);
using (var call = client.FullDuplexCall(deadline: deadline))
{
try
{
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest { Payload = CreateZerosPayload(27182) });
}
catch (InvalidOperationException)
{
// Deadline was reached before write has started. Eat the exception and continue.
}
var ex = Assert.Throws<RpcException>(async () => await call.ResponseStream.MoveNext());
Assert.AreEqual(StatusCode.DeadlineExceeded, ex.Status.StatusCode);
}
Console.WriteLine("Passed!");
}
public static async Task RunCancelAfterFirstResponseAsync(TestService.ITestServiceClient client)
{
Console.WriteLine("running cancel_after_first_response");
var cts = new CancellationTokenSource();
using (var call = client.FullDuplexCall(cancellationToken: cts.Token))
{
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest
{
ResponseType = PayloadType.COMPRESSABLE,
ResponseParameters = { new ResponseParameters { Size = 31415 } },
Payload = CreateZerosPayload(27182)
});
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.AreEqual(PayloadType.COMPRESSABLE, call.ResponseStream.Current.Payload.Type);
Assert.AreEqual(31415, call.ResponseStream.Current.Payload.Body.Length);
cts.Cancel();
var ex = Assert.Throws<RpcException>(async () => await call.ResponseStream.MoveNext());
Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
}
Console.WriteLine("Passed!");
}