public async Task AsyncDuplexStreamingCall_MessageLargerThanReceiveMaxMessageSize_ThrowsError()
{
// Arrange
var httpClient = ClientTestHelpers.CreateTestClient(HandleRequest);
var invoker = HttpClientCallInvokerFactory.Create(httpClient);
invoker.ReceiveMaxMessageSize = 1;
// Act
var call = invoker.AsyncDuplexStreamingCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions());
await call.RequestStream.WriteAsync(new HelloRequest
{
Name = "World"
});
await call.RequestStream.CompleteAsync();
// Assert
var ex = await ExceptionAssert.ThrowsAsync <RpcException>(() => call.ResponseStream.MoveNext(CancellationToken.None));
Assert.AreEqual(StatusCode.ResourceExhausted, ex.StatusCode);
Assert.AreEqual("Received message exceeds the maximum configured message size.", ex.Status.Detail);
}
public async Task AsyncUnaryCall_SetSecondDeadline_RequestMessageContainsDeadlineHeader()
{
// Arrange
HttpRequestMessage?httpRequestMessage = null;
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
httpRequestMessage = request;
var streamContent = await ClientTestHelpers.CreateResponseContent(new HelloReply()).DefaultTimeout();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK, streamContent));
});
var invoker = HttpClientCallInvokerFactory.Create(
httpClient,
systemClock: new TestSystemClock(new DateTime(2019, 11, 29, 1, 1, 1, DateTimeKind.Utc)));
// Act
await invoker.AsyncUnaryCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(deadline : invoker.Channel.Clock.UtcNow.AddSeconds(1)), new HelloRequest());
// Assert
Assert.IsNotNull(httpRequestMessage);
Assert.AreEqual("1S", httpRequestMessage !.Headers.GetValues(GrpcProtocolConstants.TimeoutHeader).Single());
}
public async Task AsyncUnaryCall_MultipleStatusHeaders_ThrowError()
{
// Arrange
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
var streamContent = await ClientTestHelpers.CreateResponseContent(new HelloReply()).DefaultTimeout();
var response = ResponseUtils.CreateResponse(HttpStatusCode.OK, streamContent, grpcStatusCode: StatusCode.Aborted);
response.TrailingHeaders.Add(GrpcProtocolConstants.MessageTrailer, "one");
response.TrailingHeaders.Add(GrpcProtocolConstants.MessageTrailer, "two");
return(response);
});
var invoker = HttpClientCallInvokerFactory.Create(httpClient);
// Act
var call = invoker.AsyncUnaryCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(), new HelloRequest());
// Assert
var ex = await ExceptionAssert.ThrowsAsync <RpcException>(() => call.ResponseAsync).DefaultTimeout();
Assert.AreEqual("Multiple grpc-message headers.", ex.Status.Detail);
Assert.AreEqual(StatusCode.Cancelled, ex.StatusCode);
Assert.AreEqual(StatusCode.Cancelled, call.GetStatus().StatusCode);
}
public async Task AsyncClientStreamingCall_DeadlineDuringWrite_ResponseThrowsDeadlineExceededStatus()
{
// Arrange
var httpClient = ClientTestHelpers.CreateTestClient(request =>
{
var stream = new SyncPointMemoryStream();
var content = new StreamContent(stream);
return Task.FromResult(ResponseUtils.CreateResponse(HttpStatusCode.OK, content, grpcStatusCode: null));
});
var systemClock = new TestSystemClock(DateTime.UtcNow);
var invoker = HttpClientCallInvokerFactory.Create(httpClient, systemClock: systemClock);
var deadline = systemClock.UtcNow.AddMilliseconds(0.1);
// Act
var call = invoker.AsyncClientStreamingCall<HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(deadline: deadline));
systemClock.UtcNow = deadline;
// Assert
var ex = await ExceptionAssert.ThrowsAsync<RpcException>(() => call.RequestStream.WriteAsync(new HelloRequest())).DefaultTimeout();
Assert.AreEqual(StatusCode.DeadlineExceeded, ex.StatusCode);
Assert.AreEqual(StatusCode.DeadlineExceeded, call.GetStatus().StatusCode);
}
public async Task AsyncUnaryCall_Non200HttpStatusCode_MappedToGrpcStatusCode(HttpStatusCode httpStatusCode, StatusCode statusCode)
{
// Arrange
var httpClient = ClientTestHelpers.CreateTestClient(request =>
{
var response = ResponseUtils.CreateResponse(httpStatusCode);
return(Task.FromResult(response));
});
var invoker = HttpClientCallInvokerFactory.Create(httpClient);
// Act
var call = invoker.AsyncUnaryCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(), new HelloRequest());
// Assert
var ex = await ExceptionAssert.ThrowsAsync <RpcException>(() => call.ResponseAsync).DefaultTimeout();
Assert.AreEqual(statusCode, ex.StatusCode);
var status = call.GetStatus();
Assert.AreEqual(statusCode, status.StatusCode);
Assert.AreEqual("Bad gRPC response. HTTP status code: " + (int)httpStatusCode, status.Detail);
}
public async Task AsyncUnaryCall_MessageReturned_ReturnsTrailers()
{
// Arrange
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
var streamContent = await ClientTestHelpers.CreateResponseContent(new HelloReply()).DefaultTimeout();
var response = ResponseUtils.CreateResponse(HttpStatusCode.OK, streamContent);
response.Headers.Add("custom", "ABC");
response.TrailingHeaders.Add("custom-header", "value");
return(response);
});
var invoker = HttpClientCallInvokerFactory.Create(httpClient);
// Act
var call = invoker.AsyncUnaryCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(), new HelloRequest());
var message = await call;
var trailers1 = call.GetTrailers();
var trailers2 = call.GetTrailers();
// Assert
Assert.AreSame(trailers1, trailers2);
Assert.AreEqual("value", trailers1.Single(t => t.Key == "custom-header").Value);
}
public async Task AsyncClientStreamingCall_DeadlineDuringSend_ThrowOperationCanceledOnCancellation_ResponseThrowsDeadlineExceededStatus()
{
// Arrange
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
var content = (PushStreamContent)request.Content;
await content.PushComplete.DefaultTimeout();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK));
});
var testSystemClock = new TestSystemClock(DateTime.UtcNow);
var invoker = HttpClientCallInvokerFactory.Create(httpClient, systemClock: testSystemClock, configure: o => o.ThrowOperationCanceledOnCancellation = true);
// Act
var call = invoker.AsyncClientStreamingCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(deadline: testSystemClock.UtcNow.AddSeconds(0.5)));
// Assert
var responseTask = call.ResponseAsync;
await ExceptionAssert.ThrowsAsync <OperationCanceledException>(() => responseTask).DefaultTimeout();
Assert.AreEqual(StatusCode.DeadlineExceeded, call.GetStatus().StatusCode);
}
public async Task AsyncClientStreamingCall_DeadlineBeforeWrite_ResponseThrowsDeadlineExceededStatus()
{
// Arrange
var tcs = new TaskCompletionSource <object?>(TaskCreationOptions.RunContinuationsAsynchronously);
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
await tcs.Task.DefaultTimeout();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK));
});
var systemClock = new TestSystemClock(DateTime.UtcNow);
var invoker = HttpClientCallInvokerFactory.Create(httpClient, systemClock: systemClock);
// Act
var call = invoker.AsyncClientStreamingCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(deadline: systemClock.UtcNow.AddMilliseconds(10)));
await Task.Delay(200); // Ensure the deadline has passed
// Assert
var ex = await ExceptionAssert.ThrowsAsync <RpcException>(() => call.RequestStream.WriteAsync(new HelloRequest())).DefaultTimeout();
Assert.AreEqual(StatusCode.DeadlineExceeded, ex.StatusCode);
Assert.AreEqual(StatusCode.DeadlineExceeded, call.GetStatus().StatusCode);
}
public async Task AsyncUnaryCall_ManyAttemptsNoDelay_MarshallerCalledOnce()
{
// Arrange
var callCount = 0;
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
Interlocked.Increment(ref callCount);
await request.Content !.CopyToAsync(new MemoryStream());
return(ResponseUtils.CreateHeadersOnlyResponse(HttpStatusCode.OK, StatusCode.Unavailable));
});
var serviceConfig = ServiceConfigHelpers.CreateHedgingServiceConfig();
var invoker = HttpClientCallInvokerFactory.Create(httpClient, serviceConfig: serviceConfig);
var marshallerCount = 0;
var requestMarshaller = Marshallers.Create <HelloRequest>(
r =>
{
Interlocked.Increment(ref marshallerCount);
return(r.ToByteArray());
},
data => HelloRequest.Parser.ParseFrom(data));
var method = ClientTestHelpers.GetServiceMethod(requestMarshaller: requestMarshaller);
// Act
var call = invoker.AsyncUnaryCall <HelloRequest, HelloReply>(method, string.Empty, new CallOptions(), new HelloRequest {
Name = "World"
});
// Assert
var ex = await ExceptionAssert.ThrowsAsync <RpcException>(() => call.ResponseAsync).DefaultTimeout();
Assert.AreEqual(StatusCode.Unavailable, ex.StatusCode);
Assert.AreEqual(StatusCode.Unavailable, call.GetStatus().StatusCode);
Assert.AreEqual(5, callCount);
Assert.AreEqual(1, marshallerCount);
}
public async Task AsyncClientStreamingCall_DeadlineLargerThanMaxTimerDueTime_DeadlineExceeded()
{
// Arrange
var testSink = new TestSink();
var testLoggerFactory = new TestLoggerFactory(testSink, true);
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
var content = (PushStreamContent<HelloRequest, HelloReply>)request.Content!;
await content.PushComplete.DefaultTimeout();
return ResponseUtils.CreateResponse(HttpStatusCode.OK);
});
var testSystemClock = new TestSystemClock(DateTime.UtcNow);
var invoker = HttpClientCallInvokerFactory.Create(httpClient, systemClock: testSystemClock, maxTimerPeriod: 20, loggerFactory: testLoggerFactory);
var timeout = TimeSpan.FromSeconds(0.2);
var deadline = testSystemClock.UtcNow.Add(timeout);
// Act
var call = invoker.AsyncClientStreamingCall<HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(deadline: deadline));
// Assert
var responseTask = call.ResponseAsync;
await Task.Delay(timeout);
// Update time so deadline exceeds correctly
testSystemClock.UtcNow = deadline;
var ex = await ExceptionAssert.ThrowsAsync<RpcException>(() => responseTask).DefaultTimeout();
Assert.AreEqual(StatusCode.DeadlineExceeded, ex.StatusCode);
Assert.AreEqual(StatusCode.DeadlineExceeded, call.GetStatus().StatusCode);
var write = testSink.Writes.First(w => w.EventId.Name == "DeadlineTimerRescheduled");
Assert.AreEqual(LogLevel.Trace, write.LogLevel);
Assert.AreEqual("Deadline timer triggered but 00:00:00.2000000 remaining before deadline exceeded. Deadline timer rescheduled.", write.Message);
}
public async Task AsyncUnaryCall_NoMessagesSuccess_Failure()
{
// Arrange
var testSink = new TestSink();
var services = new ServiceCollection();
services.AddLogging(b =>
{
b.AddProvider(new TestLoggerProvider(testSink));
});
services.AddNUnitLogger();
var provider = services.BuildServiceProvider();
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
var content = request.Content !;
await content.CopyToAsync(new MemoryStream());
return(ResponseUtils.CreateHeadersOnlyResponse(HttpStatusCode.OK, StatusCode.OK));
});
var serviceConfig = ServiceConfigHelpers.CreateRetryServiceConfig();
var invoker = HttpClientCallInvokerFactory.Create(httpClient, loggerFactory: provider.GetRequiredService <ILoggerFactory>(), serviceConfig: serviceConfig);
// Act
var call = invoker.AsyncUnaryCall <HelloRequest, HelloReply>(ClientTestHelpers.GetServiceMethod(MethodType.Unary), string.Empty, new CallOptions(), new HelloRequest {
Name = "World"
});
var ex = await ExceptionAssert.ThrowsAsync <RpcException>(() => call.ResponseAsync).DefaultTimeout();
// Assert
Assert.AreEqual("Failed to deserialize response message.", ex.Status.Detail);
Assert.AreEqual(StatusCode.Internal, ex.StatusCode);
var log = testSink.Writes.Single(w => w.EventId.Name == "CallCommited");
Assert.AreEqual("Call commited. Reason: FatalStatusCode", log.State.ToString());
}
public async Task AsyncServerStreamingCall_MessagesReturnedTogether_MessagesReceived()
{
// Arrange
var httpClient = TestHelpers.CreateTestClient(async request =>
{
var streamContent = await TestHelpers.CreateResponseContent(
new HelloReply
{
Message = "Hello world 1"
},
new HelloReply
{
Message = "Hello world 2"
}).DefaultTimeout();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK, streamContent));
});
var invoker = HttpClientCallInvokerFactory.Create(httpClient);
// Act
var call = invoker.AsyncServerStreamingCall <HelloRequest, HelloReply>(TestHelpers.ServiceMethod, null, new CallOptions(), new HelloRequest());
var responseStream = call.ResponseStream;
// Assert
Assert.IsNull(responseStream.Current);
Assert.IsTrue(await responseStream.MoveNext(CancellationToken.None).DefaultTimeout());
Assert.IsNotNull(responseStream.Current);
Assert.AreEqual("Hello world 1", responseStream.Current.Message);
Assert.IsTrue(await responseStream.MoveNext(CancellationToken.None).DefaultTimeout());
Assert.IsNotNull(responseStream.Current);
Assert.AreEqual("Hello world 2", responseStream.Current.Message);
Assert.IsFalse(await responseStream.MoveNext(CancellationToken.None).DefaultTimeout());
}
public async Task ResolverReturnsNoAddresses_DisposeWhileWaitForReady_Error()
{
// Arrange
var testMessageHandler = TestHttpMessageHandler.Create(async request =>
{
var reply = new HelloReply {
Message = "Hello world"
};
var streamContent = await ClientTestHelpers.CreateResponseContent(reply).DefaultTimeout();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK, streamContent));
});
var services = new ServiceCollection();
var resolver = new TestResolver();
services.AddSingleton <ResolverFactory>(new TestResolverFactory(resolver));
services.AddSingleton <ISubchannelTransportFactory>(new TestSubchannelTransportFactory());
var invoker = HttpClientCallInvokerFactory.Create(testMessageHandler, "test:///localhost", configure: o =>
{
o.Credentials = ChannelCredentials.Insecure;
o.ServiceProvider = services.BuildServiceProvider();
});
// Act
var callOptions = new CallOptions().WithWaitForReady();
var call = invoker.AsyncUnaryCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, callOptions, new HelloRequest());
var exTask = ExceptionAssert.ThrowsAsync <RpcException>(() => call.ResponseAsync);
call.Dispose();
var ex = await exTask.DefaultTimeout();
Assert.AreEqual(StatusCode.Cancelled, ex.StatusCode);
Assert.AreEqual("gRPC call disposed.", ex.Status.Detail);
}
public async Task MoveNextAsync_MultipleMessages_MessagesReceived()
{
// Arrange
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
var streamContent = await ClientTestHelpers.CreateResponsesContent(
new HelloReply
{
Message = "Hello world 1"
},
new HelloReply
{
Message = "Hello world 2"
}).DefaultTimeout();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK, streamContent));
});
var invoker = HttpClientCallInvokerFactory.Create(httpClient);
// Act
var call = invoker.AsyncServerStreamingCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(), new HelloRequest());
var enumerator = call.ResponseStream.ReadAllAsync().GetAsyncEnumerator();
// Assert
Assert.IsNull(enumerator.Current);
Assert.IsTrue(await enumerator.MoveNextAsync().AsTask().DefaultTimeout());
Assert.IsNotNull(enumerator.Current);
Assert.AreEqual("Hello world 1", enumerator.Current.Message);
Assert.IsTrue(await enumerator.MoveNextAsync().AsTask().DefaultTimeout());
Assert.IsNotNull(enumerator.Current);
Assert.AreEqual("Hello world 2", enumerator.Current.Message);
Assert.IsFalse(await enumerator.MoveNextAsync().AsTask().DefaultTimeout());
}
public async Task AsyncUnaryCall_Success_ResponseHeadersPopulated()
{
// Arrange
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
HelloReply reply = new HelloReply
{
Message = "Hello world"
};
var streamContent = await ClientTestHelpers.CreateResponseContent(reply).DefaultTimeout();
var response = ResponseUtils.CreateResponse(HttpStatusCode.OK, streamContent);
response.Headers.Server.Add(new ProductInfoHeaderValue("TestName", "1.0"));
response.Headers.Add("custom", "ABC");
response.Headers.Add("binary-bin", Convert.ToBase64String(Encoding.UTF8.GetBytes("Hello world")));
return(response);
});
var invoker = HttpClientCallInvokerFactory.Create(httpClient);
// Act
var call = invoker.AsyncUnaryCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(), new HelloRequest());
var responseHeaders1 = await call.ResponseHeadersAsync.DefaultTimeout();
var responseHeaders2 = await call.ResponseHeadersAsync.DefaultTimeout();
// Assert
Assert.AreSame(responseHeaders1, responseHeaders2);
Assert.AreEqual("TestName/1.0", responseHeaders1.GetValue("server"));
Assert.AreEqual("ABC", responseHeaders1.GetValue("custom"));
var header = responseHeaders1.Get("binary-bin");
Assert.AreEqual(true, header.IsBinary);
CollectionAssert.AreEqual(Encoding.UTF8.GetBytes("Hello world"), header.ValueBytes);
}
public async Task Intercept_WrapClientStream_ClientStreamWrapperExecuted()
{
// Arrange
var serviceMethod = new Method <string, string>(MethodType.Unary, "ServiceName", "Unary", Marshallers.StringMarshaller, Marshallers.StringMarshaller);
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
var requestContent = await request.Content.ReadAsStreamAsync();
await requestContent.CopyToAsync(new MemoryStream());
var streamContent = await ClientTestHelpers.CreateResponseContent(new HelloReply {
Message = "PASS"
}).DefaultTimeout();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK, streamContent));
});
var stringBuilder = new StringBuilder();
var invoker = HttpClientCallInvokerFactory.Create(httpClient);
// Act
var callInvoker = invoker.Intercept(new ClientStreamingCountingInterceptor());
var call = callInvoker.AsyncClientStreamingCall(serviceMethod, Host, new CallOptions());
await call.RequestStream.WriteAsync("A");
await call.RequestStream.WriteAsync("B");
await call.RequestStream.WriteAsync("C");
await call.RequestStream.CompleteAsync();
// Assert
Assert.AreEqual("3", await call.ResponseAsync);
Assert.AreEqual(StatusCode.OK, call.GetStatus().StatusCode);
Assert.IsNotNull(call.GetTrailers());
}
public async Task MoveNextAsync_CancelCall_ThrowOperationCanceledOnCancellation_EnumeratorThrows()
{
// Arrange
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
var streamContent = await ClientTestHelpers.CreateResponsesContent(
new HelloReply
{
Message = "Hello world 1"
},
new HelloReply
{
Message = "Hello world 2"
}).DefaultTimeout();
return ResponseUtils.CreateResponse(HttpStatusCode.OK, streamContent);
});
var invoker = HttpClientCallInvokerFactory.Create(httpClient, configure: o => o.ThrowOperationCanceledOnCancellation = true);
var cts = new CancellationTokenSource();
// Act
var call = invoker.AsyncServerStreamingCall<HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(cancellationToken: cts.Token), new HelloRequest());
var enumerator = call.ResponseStream.ReadAllAsync().GetAsyncEnumerator();
// Assert
Assert.IsNull(enumerator.Current);
Assert.IsTrue(await enumerator.MoveNextAsync().AsTask().DefaultTimeout());
Assert.IsNotNull(enumerator.Current);
Assert.AreEqual("Hello world 1", enumerator.Current.Message);
cts.Cancel();
await ExceptionAssert.ThrowsAsync<OperationCanceledException>(() => enumerator.MoveNextAsync().AsTask()).DefaultTimeout();
Assert.AreEqual(StatusCode.Cancelled, call.GetStatus().StatusCode);
}
public void InterceptMetadata_AddRequestHeader_HeaderInRequest()
{
// Arrange
const string HeaderKey = "x-client-interceptor";
const string HeaderValue = "hello-world";
string?requestHeaderValue = null;
var httpClient = TestHelpers.CreateTestClient(async request =>
{
if (request.Headers.TryGetValues(HeaderKey, out var values))
{
requestHeaderValue = values.Single();
}
var streamContent = await TestHelpers.CreateResponseContent(new HelloReply {
Message = "PASS"
}).DefaultTimeout();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK, streamContent));
});
var invoker = HttpClientCallInvokerFactory.Create(httpClient);
// Act
var callInvoker = invoker.Intercept(metadata =>
{
metadata = metadata ?? new Metadata();
metadata.Add(new Metadata.Entry(HeaderKey, HeaderValue));
return(metadata);
});
var result = callInvoker.BlockingUnaryCall(TestHelpers.ServiceMethod, Host, new CallOptions(), new HelloRequest());
// Assert
Assert.AreEqual("PASS", result.Message);
Assert.AreEqual(HeaderValue, requestHeaderValue);
}
public async Task AsyncUnaryCall_ErrorParsingTrailers_ThrowsError()
{
// Arrange
var testSink = new TestSink();
var loggerFactory = new TestLoggerFactory(testSink, true);
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
var streamContent = await ClientTestHelpers.CreateResponseContent(new HelloReply()).DefaultTimeout();
var response = ResponseUtils.CreateResponse(
HttpStatusCode.OK,
streamContent,
grpcStatusCode: StatusCode.Aborted,
customTrailers: new Dictionary <string, string>
{
["blah-bin"] = "!"
});
response.Headers.Add("custom", "ABC");
return(response);
});
var invoker = HttpClientCallInvokerFactory.Create(httpClient, loggerFactory);
// Act
var call = invoker.AsyncUnaryCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(), new HelloRequest());
var ex = await ExceptionAssert.ThrowsAsync <RpcException>(() => call.ResponseAsync).DefaultTimeout();
// Assert
Assert.AreEqual(StatusCode.Aborted, ex.StatusCode);
Assert.AreEqual(null, ex.Status.Detail);
Assert.AreEqual(0, ex.Trailers.Count);
var log = testSink.Writes.Single(w => w.EventId.Name == "ErrorParsingTrailers");
Assert.AreEqual("Error parsing trailers.", log.State.ToString());
Assert.AreEqual("Invalid Base-64 header value.", log.Exception.Message);
}
public async Task AsyncServerStreamingCall_NoMessagesSuccess_SuccussCommitLogged()
{
// Arrange
var testSink = new TestSink();
var services = new ServiceCollection();
services.AddLogging(b =>
{
b.AddProvider(new TestLoggerProvider(testSink));
});
services.AddNUnitLogger();
var provider = services.BuildServiceProvider();
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
var content = request.Content !;
await content.CopyToAsync(new MemoryStream());
return(ResponseUtils.CreateHeadersOnlyResponse(HttpStatusCode.OK, StatusCode.OK));
});
var serviceConfig = ServiceConfigHelpers.CreateRetryServiceConfig();
var invoker = HttpClientCallInvokerFactory.Create(httpClient, loggerFactory: provider.GetRequiredService <ILoggerFactory>(), serviceConfig: serviceConfig);
// Act
var call = invoker.AsyncServerStreamingCall <HelloRequest, HelloReply>(ClientTestHelpers.GetServiceMethod(MethodType.ServerStreaming), string.Empty, new CallOptions(), new HelloRequest {
Name = "World"
});
var moveNextTask = call.ResponseStream.MoveNext(CancellationToken.None);
// Assert
Assert.IsFalse(await moveNextTask);
var log = testSink.Writes.Single(w => w.EventId.Name == "CallCommited");
Assert.AreEqual("Call commited. Reason: ResponseHeadersReceived", log.State.ToString());
}
public async Task AsyncUnaryCall_PushbackExplicitDelayExceedAttempts_Failure()
{
// Arrange
var callCount = 0;
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
callCount++;
await request.Content !.CopyToAsync(new MemoryStream());
return(ResponseUtils.CreateHeadersOnlyResponse(HttpStatusCode.OK, StatusCode.Unavailable, retryPushbackHeader: "0"));
});
var serviceConfig = ServiceConfigHelpers.CreateRetryServiceConfig(maxAttempts: 5);
var invoker = HttpClientCallInvokerFactory.Create(httpClient, serviceConfig: serviceConfig);
// Act
var call = invoker.AsyncUnaryCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(), new HelloRequest {
Name = "World"
});
// Assert
Assert.AreEqual(5, callCount);
var ex = await ExceptionAssert.ThrowsAsync <RpcException>(() => call.ResponseAsync).DefaultTimeout();
Assert.AreEqual(StatusCode.Unavailable, ex.StatusCode);
}
public async Task AsyncClientStreamingCall_WriteAfterResult_Error()
{
// Arrange
var requestContent = new MemoryStream();
var callCount = 0;
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
Interlocked.Increment(ref callCount);
_ = request.Content !.ReadAsStreamAsync();
var reply = new HelloReply {
Message = "Hello world"
};
var streamContent = await ClientTestHelpers.CreateResponseContent(reply).DefaultTimeout();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK, streamContent));
});
var serviceConfig = ServiceConfigHelpers.CreateHedgingServiceConfig();
var invoker = HttpClientCallInvokerFactory.Create(httpClient, serviceConfig: serviceConfig);
// Act
var call = invoker.AsyncClientStreamingCall <HelloRequest, HelloReply>(ClientTestHelpers.GetServiceMethod(MethodType.ClientStreaming), string.Empty, new CallOptions());
// Assert
var responseMessage = await call.ResponseAsync.DefaultTimeout();
Assert.AreEqual("Hello world", responseMessage.Message);
var ex = await ExceptionAssert.ThrowsAsync <RpcException>(() => call.RequestStream.WriteAsync(new HelloRequest {
Name = "1"
})).DefaultTimeout();
Assert.AreEqual(StatusCode.OK, ex.StatusCode);
}
public void AsyncClientStreamingCall_DeadlineDuringSend_ResponseThrowsDeadlineExceededStatus()
{
// Arrange
var httpClient = TestHelpers.CreateTestClient(async request =>
{
var content = (PushStreamContent)request.Content;
await content.PushComplete.DefaultTimeout();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK));
});
var invoker = HttpClientCallInvokerFactory.Create(httpClient);
// Act
var call = invoker.AsyncClientStreamingCall <HelloRequest, HelloReply>(TestHelpers.ServiceMethod, string.Empty, new CallOptions(deadline: DateTime.UtcNow.AddSeconds(0.5)));
// Assert
var responseTask = call.ResponseAsync;
Assert.IsFalse(responseTask.IsCompleted, "Response not returned until client stream is complete.");
var ex = Assert.ThrowsAsync <RpcException>(async() => await responseTask.DefaultTimeout());
Assert.AreEqual(StatusCode.DeadlineExceeded, ex.Status.StatusCode);
}
public async Task AsyncServerStreamingCall_MessagesReturnedTogether_MessagesReceived()
{
// Arrange
var httpClient = ClientTestHelpers.CreateTestClient(request =>
{
HelloReply reply = new HelloReply
{
Message = "Hello world"
};
return(Task.FromResult(ResponseUtils.CreateResponse(HttpStatusCode.OK, new ByteArrayContent(Array.Empty <byte>()))));
});
var invoker = HttpClientCallInvokerFactory.Create(httpClient);
// Act
var call = invoker.AsyncDuplexStreamingCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions());
var responseStream = call.ResponseStream;
// Assert
Assert.IsNull(responseStream.Current);
Assert.IsFalse(await responseStream.MoveNext(CancellationToken.None).DefaultTimeout());
Assert.IsNull(responseStream.Current);
}
public async Task CallCredentialsWithHttp_NoMetadataOnRequest()
{
// Arrange
bool?hasAuthorizationValue = null;
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
hasAuthorizationValue = request.Headers.TryGetValues("authorization", out _);
var reply = new HelloReply {
Message = "Hello world"
};
var streamContent = await ClientTestHelpers.CreateResponseContent(reply).DefaultTimeout();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK, streamContent));
}, new Uri("http://localhost"));
var testSink = new TestSink();
var loggerFactory = new TestLoggerFactory(testSink, true);
var invoker = HttpClientCallInvokerFactory.Create(httpClient, loggerFactory);
// Act
var callCredentials = CallCredentials.FromInterceptor((context, metadata) =>
{
metadata.Add("authorization", "SECRET_TOKEN");
return(Task.CompletedTask);
});
var call = invoker.AsyncUnaryCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(credentials: callCredentials), new HelloRequest());
await call.ResponseAsync.DefaultTimeout();
// Assert
Assert.AreEqual(false, hasAuthorizationValue);
var log = testSink.Writes.Single(w => w.EventId.Name == "CallCredentialsNotUsed");
Assert.AreEqual("The configured CallCredentials were not used because the call does not use TLS.", log.State.ToString());
}
public async Task PickAsync_HedgingWithDrop_ThrowsError()
{
// Arrange
string?authority = null;
var testMessageHandler = TestHttpMessageHandler.Create(async request =>
{
authority = request.RequestUri !.Authority;
var reply = new HelloReply {
Message = "Hello world"
};
var streamContent = await ClientTestHelpers.CreateResponseContent(reply).DefaultTimeout();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK, streamContent));
});
var services = new ServiceCollection();
services.AddNUnitLogger();
services.AddSingleton <TestResolver>();
services.AddSingleton <ResolverFactory, TestResolverFactory>();
DropLoadBalancer?loadBalancer = null;
services.AddSingleton <LoadBalancerFactory>(new DropLoadBalancerFactory(c =>
{
loadBalancer = new DropLoadBalancer(c);
return(loadBalancer);
}));
services.AddSingleton <ISubchannelTransportFactory>(new TestSubchannelTransportFactory());
var invoker = HttpClientCallInvokerFactory.Create(testMessageHandler, "test:///localhost", configure: o =>
{
o.Credentials = ChannelCredentials.Insecure;
o.ServiceProvider = services.BuildServiceProvider();
o.ServiceConfig = new ServiceConfig
{
MethodConfigs =
{
new MethodConfig
{
Names = { MethodName.Default },
HedgingPolicy = new HedgingPolicy
{
MaxAttempts = 5,
HedgingDelay = TimeSpan.FromMinutes(10),
NonFatalStatusCodes ={ StatusCode.DataLoss }
}
}
},
LoadBalancingConfigs = { new LoadBalancingConfig("drop") }
};
});
// Act
var call = invoker.AsyncUnaryCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions().WithWaitForReady(), new HelloRequest());
// Assert
var ex = await ExceptionAssert.ThrowsAsync <RpcException>(() => call.ResponseAsync).DefaultTimeout();
Assert.AreEqual(StatusCode.DataLoss, ex.StatusCode);
Assert.AreEqual(1, loadBalancer !.PickCount);
}
public async Task AsyncDuplexStreamingCall_MessagesStreamed_MessagesReceived()
{
// Arrange
var streamContent = new SyncPointMemoryStream();
PushStreamContent <HelloRequest, HelloReply>?content = null;
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
content = (PushStreamContent <HelloRequest, HelloReply>)request.Content !;
await content.PushComplete.DefaultTimeout();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK, new StreamContent(streamContent)));
});
var invoker = HttpClientCallInvokerFactory.Create(httpClient);
// Act
var call = invoker.AsyncDuplexStreamingCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions());
var requestStream = call.RequestStream;
var responseStream = call.ResponseStream;
// Assert
await call.RequestStream.WriteAsync(new HelloRequest { Name = "1" }).DefaultTimeout();
await call.RequestStream.WriteAsync(new HelloRequest { Name = "2" }).DefaultTimeout();
await call.RequestStream.CompleteAsync().DefaultTimeout();
var deserializationContext = new DefaultDeserializationContext();
Assert.IsNotNull(content);
var requestContent = await content !.ReadAsStreamAsync().DefaultTimeout();
var requestMessage = await requestContent.ReadMessageAsync(
deserializationContext,
NullLogger.Instance,
ClientTestHelpers.ServiceMethod.RequestMarshaller.ContextualDeserializer,
GrpcProtocolConstants.IdentityGrpcEncoding,
maximumMessageSize : null,
GrpcProtocolConstants.DefaultCompressionProviders,
singleMessage : false,
CancellationToken.None).AsTask().DefaultTimeout();
Assert.AreEqual("1", requestMessage !.Name);
requestMessage = await requestContent.ReadMessageAsync(
deserializationContext,
NullLogger.Instance,
ClientTestHelpers.ServiceMethod.RequestMarshaller.ContextualDeserializer,
GrpcProtocolConstants.IdentityGrpcEncoding,
maximumMessageSize : null,
GrpcProtocolConstants.DefaultCompressionProviders,
singleMessage : false,
CancellationToken.None).AsTask().DefaultTimeout();
Assert.AreEqual("2", requestMessage !.Name);
Assert.IsNull(responseStream.Current);
var moveNextTask1 = responseStream.MoveNext(CancellationToken.None);
Assert.IsFalse(moveNextTask1.IsCompleted);
await streamContent.AddDataAndWait(await ClientTestHelpers.GetResponseDataAsync(new HelloReply
{
Message = "Hello world 1"
}).DefaultTimeout()).DefaultTimeout();
Assert.IsTrue(await moveNextTask1.DefaultTimeout());
Assert.IsNotNull(responseStream.Current);
Assert.AreEqual("Hello world 1", responseStream.Current.Message);
var moveNextTask2 = responseStream.MoveNext(CancellationToken.None);
Assert.IsFalse(moveNextTask2.IsCompleted);
await streamContent.AddDataAndWait(await ClientTestHelpers.GetResponseDataAsync(new HelloReply
{
Message = "Hello world 2"
}).DefaultTimeout()).DefaultTimeout();
Assert.IsTrue(await moveNextTask2.DefaultTimeout());
Assert.IsNotNull(responseStream.Current);
Assert.AreEqual("Hello world 2", responseStream.Current.Message);
var moveNextTask3 = responseStream.MoveNext(CancellationToken.None);
Assert.IsFalse(moveNextTask3.IsCompleted);
await streamContent.AddDataAndWait(Array.Empty <byte>()).DefaultTimeout();
Assert.IsFalse(await moveNextTask3.DefaultTimeout());
var moveNextTask4 = responseStream.MoveNext(CancellationToken.None);
Assert.IsTrue(moveNextTask4.IsCompleted);
Assert.IsFalse(await moveNextTask3.DefaultTimeout());
}
public async Task AsyncClientStreamingCall_Success_RequestContentSent()
{
// Arrange
var requestContentTcs = new TaskCompletionSource <Task <Stream> >(TaskCreationOptions.RunContinuationsAsynchronously);
PushStreamContent <HelloRequest, HelloReply>?content = null;
var handler = TestHttpMessageHandler.Create(async request =>
{
content = (PushStreamContent <HelloRequest, HelloReply>)request.Content !;
var streamTask = content.ReadAsStreamAsync();
requestContentTcs.SetResult(streamTask);
// Wait for RequestStream.CompleteAsync()
await streamTask;
HelloReply reply = new HelloReply
{
Message = "Hello world"
};
var streamContent = await ClientTestHelpers.CreateResponseContent(reply).DefaultTimeout();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK, streamContent));
});
var invoker = HttpClientCallInvokerFactory.Create(handler, "http://localhost");
// Act
var call = invoker.AsyncClientStreamingCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions());
var requestContentTask = await requestContentTcs.Task.DefaultTimeout();
// Assert
Assert.IsNotNull(call);
Assert.IsNotNull(content);
var responseTask = call.ResponseAsync;
Assert.IsFalse(responseTask.IsCompleted, "Response not returned until client stream is complete.");
await call.RequestStream.WriteAsync(new HelloRequest { Name = "1" }).DefaultTimeout();
await call.RequestStream.WriteAsync(new HelloRequest { Name = "2" }).DefaultTimeout();
await call.RequestStream.CompleteAsync().DefaultTimeout();
var requestContent = await requestContentTask.DefaultTimeout();
var requestMessage = await StreamSerializationHelper.ReadMessageAsync(
requestContent,
ClientTestHelpers.ServiceMethod.RequestMarshaller.ContextualDeserializer,
GrpcProtocolConstants.IdentityGrpcEncoding,
maximumMessageSize : null,
GrpcProtocolConstants.DefaultCompressionProviders,
singleMessage : false,
CancellationToken.None).DefaultTimeout();
Assert.AreEqual("1", requestMessage !.Name);
requestMessage = await StreamSerializationHelper.ReadMessageAsync(
requestContent,
ClientTestHelpers.ServiceMethod.RequestMarshaller.ContextualDeserializer,
GrpcProtocolConstants.IdentityGrpcEncoding,
maximumMessageSize : null,
GrpcProtocolConstants.DefaultCompressionProviders,
singleMessage : false,
CancellationToken.None).DefaultTimeout();
Assert.AreEqual("2", requestMessage !.Name);
var responseMessage = await responseTask.DefaultTimeout();
Assert.AreEqual("Hello world", responseMessage.Message);
}
public async Task AsyncClientStreamingCall_Success_RequestContentSent()
{
// Arrange
PushStreamContent <HelloRequest, HelloReply>?content = null;
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
content = (PushStreamContent <HelloRequest, HelloReply>)request.Content !;
await content.PushComplete.DefaultTimeout();
HelloReply reply = new HelloReply
{
Message = "Hello world"
};
var streamContent = await ClientTestHelpers.CreateResponseContent(reply).DefaultTimeout();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK, streamContent));
});
var invoker = HttpClientCallInvokerFactory.Create(httpClient);
// Act
var call = invoker.AsyncClientStreamingCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions());
// Assert
Assert.IsNotNull(call);
Assert.IsNotNull(content);
var responseTask = call.ResponseAsync;
Assert.IsFalse(responseTask.IsCompleted, "Response not returned until client stream is complete.");
var streamTask = content !.ReadAsStreamAsync().DefaultTimeout();
await call.RequestStream.WriteAsync(new HelloRequest { Name = "1" }).DefaultTimeout();
await call.RequestStream.WriteAsync(new HelloRequest { Name = "2" }).DefaultTimeout();
await call.RequestStream.CompleteAsync().DefaultTimeout();
var requestContent = await streamTask.DefaultTimeout();
var requestMessage = await requestContent.ReadMessageAsync(
NullLogger.Instance,
ClientTestHelpers.ServiceMethod.RequestMarshaller.ContextualDeserializer,
GrpcProtocolConstants.IdentityGrpcEncoding,
maximumMessageSize : null,
GrpcProtocolConstants.DefaultCompressionProviders,
singleMessage : false,
CancellationToken.None).AsTask().DefaultTimeout();
Assert.AreEqual("1", requestMessage !.Name);
requestMessage = await requestContent.ReadMessageAsync(
NullLogger.Instance,
ClientTestHelpers.ServiceMethod.RequestMarshaller.ContextualDeserializer,
GrpcProtocolConstants.IdentityGrpcEncoding,
maximumMessageSize : null,
GrpcProtocolConstants.DefaultCompressionProviders,
singleMessage : false,
CancellationToken.None).AsTask().DefaultTimeout();
Assert.AreEqual("2", requestMessage !.Name);
var responseMessage = await responseTask.DefaultTimeout();
Assert.AreEqual("Hello world", responseMessage.Message);
}
public async Task AsyncUnaryCall_CompressMetadataSentWithRequest_RequestMessageCompressed(bool compressionDisabledOnOptions)
{
// Arrange
HttpRequestMessage?httpRequestMessage = null;
HelloRequest? helloRequest = null;
bool?isRequestNotCompressed = null;
var httpClient = ClientTestHelpers.CreateTestClient(async request =>
{
httpRequestMessage = request;
var requestData = await request.Content.ReadAsByteArrayAsync();
isRequestNotCompressed = requestData[0] == 0;
helloRequest = await StreamExtensions.ReadSingleMessageAsync(
new MemoryStream(requestData),
NullLogger.Instance,
ClientTestHelpers.ServiceMethod.RequestMarshaller.ContextualDeserializer,
"gzip",
maximumMessageSize: null,
GrpcProtocolConstants.DefaultCompressionProviders,
CancellationToken.None);
HelloReply reply = new HelloReply
{
Message = "Hello world"
};
var streamContent = await ClientTestHelpers.CreateResponseContent(reply).DefaultTimeout();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK, streamContent));
});
var compressionProviders = GrpcProtocolConstants.DefaultCompressionProviders.Values.ToList();
compressionProviders.Add(new TestCompressionProvider());
var invoker = HttpClientCallInvokerFactory.Create(httpClient, configure: o => o.CompressionProviders = compressionProviders);
var compressionMetadata = CreateClientCompressionMetadata("gzip");
var callOptions = new CallOptions(headers: compressionMetadata);
if (compressionDisabledOnOptions)
{
callOptions = callOptions.WithWriteOptions(new WriteOptions(WriteFlags.NoCompress));
}
// Act
var call = invoker.AsyncUnaryCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, callOptions, new HelloRequest
{
Name = "Hello"
});
// Assert
var response = await call.ResponseAsync;
Assert.IsNotNull(response);
Assert.AreEqual("Hello world", response.Message);
Debug.Assert(httpRequestMessage != null);
Assert.AreEqual("identity,gzip,deflate,test", httpRequestMessage.Headers.GetValues(GrpcProtocolConstants.MessageAcceptEncodingHeader).Single());
Assert.AreEqual("gzip", httpRequestMessage.Headers.GetValues(GrpcProtocolConstants.MessageEncodingHeader).Single());
Assert.AreEqual(false, httpRequestMessage.Headers.Contains(GrpcProtocolConstants.CompressionRequestAlgorithmHeader));
Debug.Assert(helloRequest != null);
Assert.AreEqual("Hello", helloRequest.Name);
Assert.AreEqual(compressionDisabledOnOptions, isRequestNotCompressed);
}
