public async Task SendValidRequest_StreamedContentReturned()
{
// Arrage
var httpClient = CreateGrpcWebClient();
var channel = GrpcChannel.ForAddress(httpClient.BaseAddress, new GrpcChannelOptions
{
HttpClient = httpClient,
LoggerFactory = LoggerFactory
});
var client = new EchoService.EchoServiceClient(channel);
// Act
var call = client.ServerStreamingEcho(new ServerStreamingEchoRequest
{
Message = "test",
MessageCount = 3,
MessageInterval = TimeSpan.FromMilliseconds(10).ToDuration()
});
// Assert
Assert.IsTrue(await call.ResponseStream.MoveNext(CancellationToken.None).DefaultTimeout());
Assert.AreEqual("test", call.ResponseStream.Current.Message);
Assert.IsTrue(await call.ResponseStream.MoveNext(CancellationToken.None).DefaultTimeout());
Assert.AreEqual("test", call.ResponseStream.Current.Message);
Assert.IsTrue(await call.ResponseStream.MoveNext(CancellationToken.None).DefaultTimeout());
Assert.AreEqual("test", call.ResponseStream.Current.Message);
Assert.IsFalse(await call.ResponseStream.MoveNext(CancellationToken.None).DefaultTimeout());
Assert.AreEqual(null, call.ResponseStream.Current);
Assert.AreEqual(StatusCode.OK, call.GetStatus().StatusCode);
}
public async Task SendValidRequest_ClientAbort_ClientThrowsCancelledException()
{
// Arrage
SetExpectedErrorsFilter(r =>
{
if (r.EventId.Name == "GrpcStatusError" &&
r.Message == "Call failed with gRPC error status. Status code: 'Cancelled', Message: 'Call canceled by the client.'.")
{
return(true);
}
return(false);
});
var httpClient = CreateGrpcWebClient();
var channel = GrpcChannel.ForAddress(httpClient.BaseAddress, new GrpcChannelOptions
{
HttpClient = httpClient,
LoggerFactory = LoggerFactory
});
var cts = new CancellationTokenSource();
var client = new EchoService.EchoServiceClient(channel);
// Act
var call = client.ServerStreamingEcho(new ServerStreamingEchoRequest
{
Message = "test",
MessageCount = 2,
MessageInterval = TimeSpan.FromMilliseconds(100).ToDuration()
}, cancellationToken: cts.Token);
// Assert
Assert.IsTrue(await call.ResponseStream.MoveNext(CancellationToken.None).DefaultTimeout());
Assert.AreEqual("test", call.ResponseStream.Current.Message);
cts.Cancel();
var ex = await ExceptionAssert.ThrowsAsync <RpcException>(() => call.ResponseStream.MoveNext(CancellationToken.None));
Assert.AreEqual(StatusCode.Cancelled, ex.StatusCode);
Assert.AreEqual("Call canceled by the client.", ex.Status.Detail);
Assert.AreEqual(StatusCode.Cancelled, call.GetStatus().StatusCode);
}
private async Task GrpcWebServerStreamingAsync(EchoService.EchoServiceClient client)
{
var call = client.ServerStreamingEcho(new ServerStreamingEchoRequest
{
Message = "test",
MessageCount = 5,
MessageInterval = Google.Protobuf.WellKnownTypes.TimeExtensions.ToDuration(TimeSpan.FromMilliseconds(100))
});
var messages = new List <ServerStreamingEchoResponse>();
await foreach (var message in call.ResponseStream.ReadAllAsync())
{
messages.Add(message);
}
Assert.AreEqual(5, messages.Count);
}
public async Task SendValidRequest_ClientAbort_ClientThrowsCancelledException()
{
// Arrage
var httpClient = CreateGrpcWebClient();
var channel = GrpcChannel.ForAddress(httpClient.BaseAddress !, new GrpcChannelOptions
{
HttpClient = httpClient,
LoggerFactory = LoggerFactory
});
var cts = new CancellationTokenSource();
var client = new EchoService.EchoServiceClient(channel);
// Act
var call = client.ServerStreamingEcho(new ServerStreamingEchoRequest
{
Message = "test",
MessageCount = 2,
MessageInterval = TimeSpan.FromMilliseconds(100).ToDuration()
}, cancellationToken: cts.Token);
// Assert
Assert.IsTrue(await call.ResponseStream.MoveNext(CancellationToken.None).DefaultTimeout());
Assert.AreEqual("test", call.ResponseStream.Current.Message);
cts.Cancel();
var ex = await ExceptionAssert.ThrowsAsync <RpcException>(() => call.ResponseStream.MoveNext(CancellationToken.None)).DefaultTimeout();
Assert.AreEqual(StatusCode.Cancelled, ex.StatusCode);
Assert.AreEqual("Call canceled by the client.", ex.Status.Detail);
Assert.AreEqual(StatusCode.Cancelled, call.GetStatus().StatusCode);
// It is possible get into a situation where the response stream finishes slightly before the call.
// Small delay to ensure call logging is complete.
await Task.Delay(50);
AssertHasLog(LogLevel.Information, "GrpcStatusError", "Call failed with gRPC error status. Status code: 'Cancelled', Message: 'Call canceled by the client.'.");
}