public async Task WriteResponseHeadersAsyncCore_FlushesHeadersToClient()
{
// Arrange
var requestMessage = new HelloRequest
{
Name = "World"
};
var requestStream = new MemoryStream();
MessageHelpers.WriteMessage(requestStream, requestMessage);
var httpRequest = new HttpRequestMessage(HttpMethod.Post, "Greet.Greeter/SayHellosSendHeadersFirst");
httpRequest.Content = new GrpcStreamContent(requestStream);
// Act
var response = await Fixture.Client.SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead).DefaultTimeout();
// Assert
response.AssertIsSuccessfulGrpcRequest();
var responseStream = await response.Content.ReadAsStreamAsync().DefaultTimeout();
var pipeReader = new StreamPipeReader(responseStream);
for (var i = 0; i < 3; i++)
{
var greetingTask = MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader);
// The headers are already sent
// All responses are streamed
Assert.False(greetingTask.IsCompleted);
var greeting = await greetingTask.DefaultTimeout();
Assert.AreEqual($"How are you World? {i}", greeting.Message);
}
var goodbyeTask = MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader);
Assert.False(goodbyeTask.IsCompleted);
Assert.AreEqual("Goodbye World!", (await goodbyeTask.DefaultTimeout()).Message);
var finishedTask = MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader);
Assert.IsNull(await finishedTask.DefaultTimeout());
}
public async Task Buffering_SuccessResponsesStreamed()
{
// Arrange
var requestMessage = new HelloRequest
{
Name = "World"
};
var requestStream = new MemoryStream();
MessageHelpers.WriteMessage(requestStream, requestMessage);
var httpRequest = new HttpRequestMessage(HttpMethod.Post, "Greet.Greeter/SayHellosBufferHint");
httpRequest.Content = new StreamContent(requestStream);
// Act
var responseTask = Fixture.Client.SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead).DefaultTimeout();
// Assert
Assert.IsFalse(responseTask.IsCompleted, "Server should wait for first message from client");
var response = await responseTask;
Assert.AreEqual(HttpStatusCode.OK, response.StatusCode);
Assert.AreEqual("identity", response.Headers.GetValues("grpc-encoding").Single());
Assert.AreEqual("application/grpc", response.Content.Headers.ContentType.MediaType);
var responseStream = await response.Content.ReadAsStreamAsync().DefaultTimeout();
var pipeReader = new StreamPipeReader(new PipeReaderFixStream(responseStream));
for (var i = 0; i < 3; i++)
{
var greeting = await MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader).DefaultTimeout();
Assert.AreEqual($"How are you World? {i}", greeting.Message);
}
var goodbye = await MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader).DefaultTimeout();
Assert.AreEqual("Goodbye World!", goodbye.Message);
Assert.IsNull(await MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader).DefaultTimeout());
Assert.AreEqual(StatusCode.OK.ToTrailerString(), Fixture.TrailersContainer.Trailers[GrpcProtocolConstants.StatusTrailer].Single());
}
public async Task NoBuffering_SuccessResponsesStreamed()
{
// Arrange
var requestMessage = new HelloRequest
{
Name = "World"
};
var requestStream = new MemoryStream();
MessageHelpers.WriteMessage(requestStream, requestMessage);
var httpRequest = GrpcHttpHelper.Create("Greet.Greeter/SayHellos");
httpRequest.Content = new GrpcStreamContent(requestStream);
// Act
var response = await Fixture.Client.SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead).DefaultTimeout();
// Assert
response.AssertIsSuccessfulGrpcRequest();
var responseStream = await response.Content.ReadAsStreamAsync().DefaultTimeout();
var pipeReader = PipeReader.Create(responseStream);
for (var i = 0; i < 3; i++)
{
var greetingTask = MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader);
Assert.IsFalse(greetingTask.IsCompleted);
var greeting = await greetingTask.DefaultTimeout();
Assert.AreEqual($"How are you World? {i}", greeting.Message);
}
var goodbyeTask = MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader);
Assert.False(goodbyeTask.IsCompleted);
Assert.AreEqual("Goodbye World!", (await goodbyeTask.DefaultTimeout()).Message);
var finishedTask = MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader);
Assert.IsNull(await finishedTask.DefaultTimeout());
}
public async Task InterceptorsExecutedInRegistrationOrder_AndGlobalInterceptorExecutesFirst_DuplexStreaming()
{
// Arrange
var url = Fixture.DynamicGrpc.AddDuplexStreamingMethod <InterceptorOrderTests, Empty, Empty>((requestStream, responseStream, context) =>
{
var items = context.GetHttpContext().Items;
Assert.AreEqual(3, items[OrderedInterceptor.OrderHeaderKey]);
return(Task.CompletedTask);
});
// Act
var response = await Fixture.Client.PostAsync(
url,
new GrpcStreamContent(new MemoryStream())).DefaultTimeout();
var responseStream = await response.Content.ReadAsStreamAsync().DefaultTimeout();
var pipeReader = new StreamPipeReader(responseStream);
// Assert
await MessageHelpers.AssertReadStreamMessageAsync <Empty>(pipeReader);
response.AssertTrailerStatus();
}
public async Task MultipleMessagesFromOneClient_SuccessResponses()
{
// Arrange
var ms = new MemoryStream();
MessageHelpers.WriteMessage(ms, new ChatMessage
{
Name = "John",
Message = "Hello Jill"
});
var streamingContent = new StreamingContent();
var httpRequest = GrpcHttpHelper.Create("Chat.Chatter/Chat");
httpRequest.Content = streamingContent;
// Act
var responseTask = Fixture.Client.SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead);
// Assert
Assert.IsFalse(responseTask.IsCompleted, "Server should wait for first message from client");
var requestStream = await streamingContent.GetRequestStreamAsync().DefaultTimeout();
await requestStream.WriteAsync(ms.ToArray()).AsTask().DefaultTimeout();
await requestStream.FlushAsync().DefaultTimeout();
var response = await responseTask.DefaultTimeout();
response.AssertIsSuccessfulGrpcRequest();
var responseStream = await response.Content.ReadAsStreamAsync().DefaultTimeout();
var pipeReader = PipeReader.Create(responseStream);
var message1Task = MessageHelpers.AssertReadStreamMessageAsync <ChatMessage>(pipeReader);
var message1 = await message1Task.DefaultTimeout();
Assert.AreEqual("John", message1.Name);
Assert.AreEqual("Hello Jill", message1.Message);
var message2Task = MessageHelpers.AssertReadStreamMessageAsync <ChatMessage>(pipeReader);
Assert.IsFalse(message2Task.IsCompleted, "Server is waiting for messages from client");
ms = new MemoryStream();
MessageHelpers.WriteMessage(ms, new ChatMessage
{
Name = "Jill",
Message = "Hello John"
});
await requestStream.WriteAsync(ms.ToArray()).AsTask().DefaultTimeout();
await requestStream.FlushAsync().DefaultTimeout();
var message2 = await message2Task.DefaultTimeout();
Assert.AreEqual("Jill", message2.Name);
Assert.AreEqual("Hello John", message2.Message);
var finishedTask = MessageHelpers.AssertReadStreamMessageAsync <ChatMessage>(pipeReader);
Assert.IsFalse(finishedTask.IsCompleted, "Server is waiting for client to end streaming");
// Complete request stream
streamingContent.Complete();
await finishedTask.DefaultTimeout();
response.AssertTrailerStatus();
}
public async Task WriteUntilDeadline_SuccessResponsesStreamed_CoreAsync(ServerStreamingServerMethod <HelloRequest, HelloReply> callHandler)
{
// Arrange
var method = Fixture.DynamicGrpc.AddServerStreamingMethod <HelloRequest, HelloReply>(callHandler);
var requestMessage = new HelloRequest
{
Name = "World"
};
var requestStream = new MemoryStream();
MessageHelpers.WriteMessage(requestStream, requestMessage);
var httpRequest = GrpcHttpHelper.Create(method.FullName);
httpRequest.Headers.Add(GrpcProtocolConstants.TimeoutHeader, "200m");
httpRequest.Content = new GrpcStreamContent(requestStream);
// Act
var response = await Fixture.Client.SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead).DefaultTimeout();
// Assert
response.AssertIsSuccessfulGrpcRequest();
var responseStream = await response.Content.ReadAsStreamAsync().DefaultTimeout();
var pipeReader = PipeReader.Create(responseStream);
var messageCount = 0;
var readTask = Task.Run(async() =>
{
while (true)
{
var greeting = await MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader).DefaultTimeout();
if (greeting != null)
{
Assert.AreEqual($"How are you World? {messageCount}", greeting.Message);
messageCount++;
}
else
{
break;
}
}
});
await readTask.DefaultTimeout();
Assert.AreNotEqual(0, messageCount);
response.AssertTrailerStatus(StatusCode.DeadlineExceeded, "Deadline Exceeded");
Assert.True(HasLog(LogLevel.Debug, "DeadlineExceeded", "Request with timeout of 00:00:00.2000000 has exceeded its deadline."));
await TestHelpers.AssertIsTrueRetryAsync(
() => HasLog(LogLevel.Trace, "DeadlineStopped", "Request deadline stopped."),
"Missing deadline stopped log.").DefaultTimeout();
}
public async Task SendCompressedMessage_ServerStreamingEnabledInCall_CompressedMessageReturned()
{
async Task ServerStreamingEnableCompression(HelloRequest request, IServerStreamWriter <HelloReply> responseStream, ServerCallContext context)
{
var headers = new Metadata {
new Metadata.Entry("grpc-internal-encoding-request", "gzip")
};
await context.WriteResponseHeadersAsync(headers);
await responseStream.WriteAsync(new HelloReply { Message = "Hello 1" });
responseStream.WriteOptions = new WriteOptions(WriteFlags.NoCompress);
await responseStream.WriteAsync(new HelloReply { Message = "Hello 2" });
}
// Arrange
var method = Fixture.DynamicGrpc.AddServerStreamingMethod <HelloRequest, HelloReply>(ServerStreamingEnableCompression);
var ms = new MemoryStream();
MessageHelpers.WriteMessage(ms, new HelloRequest
{
Name = "World"
});
var httpRequest = GrpcHttpHelper.Create(method.FullName);
httpRequest.Content = new PushStreamContent(
async s =>
{
await s.WriteAsync(ms.ToArray()).AsTask().DefaultTimeout();
await s.FlushAsync().DefaultTimeout();
});
// Act
var responseTask = Fixture.Client.SendAsync(httpRequest);
// Assert
var response = await responseTask.DefaultTimeout();
response.AssertIsSuccessfulGrpcRequest();
Assert.AreEqual("gzip", response.Headers.GetValues("grpc-encoding").Single());
var responseStream = await response.Content.ReadAsStreamAsync().DefaultTimeout();
var pipeReader = PipeReader.Create(responseStream);
ReadResult readResult;
readResult = await pipeReader.ReadAsync();
Assert.AreEqual(1, readResult.Buffer.FirstSpan[0]); // Message is compressed
var greeting1 = await MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader, "gzip").DefaultTimeout();
Assert.AreEqual($"Hello 1", greeting1.Message);
readResult = await pipeReader.ReadAsync();
Assert.AreEqual(0, readResult.Buffer.FirstSpan[0]); // Message is uncompressed
var greeting2 = await MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader, "gzip").DefaultTimeout();
Assert.AreEqual($"Hello 2", greeting2.Message);
var finishedTask = MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader);
Assert.IsNull(await finishedTask.DefaultTimeout());
}
public async Task MultipleMessagesFromOneClient_SuccessResponses()
{
// Arrange
var ms = new MemoryStream();
MessageHelpers.WriteMessage(ms, new ChatMessage
{
Name = "John",
Message = "Hello Jill"
});
var requestStream = new SyncPointMemoryStream();
var httpRequest = new HttpRequestMessage(HttpMethod.Post, "Chat.Chatter/Chat");
httpRequest.Content = new StreamContent(requestStream);
// Act
var responseTask = Fixture.Client.SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead);
// Assert
Assert.IsFalse(responseTask.IsCompleted, "Server should wait for first message from client");
requestStream.AddData(ms.ToArray());
var response = await responseTask.DefaultTimeout();
Assert.AreEqual(HttpStatusCode.OK, response.StatusCode);
Assert.AreEqual("identity", response.Headers.GetValues("grpc-encoding").Single());
Assert.AreEqual("application/grpc", response.Content.Headers.ContentType.MediaType);
var responseStream = await response.Content.ReadAsStreamAsync().DefaultTimeout();
var pipeReader = new StreamPipeReader(responseStream);
var message1Task = MessageHelpers.AssertReadStreamMessageAsync <ChatMessage>(pipeReader);
Assert.IsTrue(message1Task.IsCompleted);
var message1 = await message1Task.DefaultTimeout();
Assert.AreEqual("John", message1.Name);
Assert.AreEqual("Hello Jill", message1.Message);
var message2Task = MessageHelpers.AssertReadStreamMessageAsync <ChatMessage>(pipeReader);
Assert.IsFalse(message2Task.IsCompleted, "Server is waiting for messages from client");
ms = new MemoryStream();
MessageHelpers.WriteMessage(ms, new ChatMessage
{
Name = "Jill",
Message = "Hello John"
});
requestStream.AddData(ms.ToArray());
var message2 = await message2Task.DefaultTimeout();
Assert.AreEqual("Jill", message2.Name);
Assert.AreEqual("Hello John", message2.Message);
var finishedTask = MessageHelpers.AssertReadStreamMessageAsync <ChatMessage>(pipeReader);
Assert.IsFalse(finishedTask.IsCompleted, "Server is waiting for client to end streaming");
requestStream.AddData(Array.Empty <byte>());
await finishedTask.DefaultTimeout();
}
public async Task BufferHint_SuccessResponses()
{
// Arrange
var ms = new MemoryStream();
MessageHelpers.WriteMessage(ms, new ChatMessage
{
Name = "John",
Message = "Hello Jill"
});
var requestStream = new SyncPointMemoryStream();
var httpRequest = new HttpRequestMessage(HttpMethod.Post, "Chat.Chatter/ChatBufferHint");
httpRequest.Content = new StreamContent(requestStream);
// Act
var responseTask = Fixture.Client.SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead);
// Assert
Assert.IsFalse(responseTask.IsCompleted, "Server should wait for first message from client");
await requestStream.AddDataAndWait(ms.ToArray());
Assert.IsFalse(responseTask.IsCompleted, "Server is buffering response");
ms = new MemoryStream();
MessageHelpers.WriteMessage(ms, new ChatMessage
{
Name = "Jill",
Message = "Hello John"
});
await requestStream.AddDataAndWait(ms.ToArray());
Assert.IsFalse(responseTask.IsCompleted, "Server is buffering response");
await requestStream.AddDataAndWait(Array.Empty <byte>());
var response = await responseTask.DefaultTimeout();
Assert.AreEqual(HttpStatusCode.OK, response.StatusCode);
Assert.AreEqual("identity", response.Headers.GetValues("grpc-encoding").Single());
Assert.AreEqual("application/grpc", response.Content.Headers.ContentType.MediaType);
var responseStream = await response.Content.ReadAsStreamAsync().DefaultTimeout();
var pipeReader = new StreamPipeReader(new PipeReaderFixStream(responseStream));
var message1 = await MessageHelpers.AssertReadStreamMessageAsync <ChatMessage>(pipeReader).DefaultTimeout();
Assert.AreEqual("John", message1.Name);
Assert.AreEqual("Hello Jill", message1.Message);
var message2 = await MessageHelpers.AssertReadStreamMessageAsync <ChatMessage>(pipeReader).DefaultTimeout();
Assert.AreEqual("Jill", message2.Name);
Assert.AreEqual("Hello John", message2.Message);
Assert.IsNull(await MessageHelpers.AssertReadStreamMessageAsync <ChatMessage>(pipeReader).DefaultTimeout());
Assert.AreEqual(StatusCode.OK.ToTrailerString(), Fixture.TrailersContainer.Trailers[GrpcProtocolConstants.StatusTrailer].Single());
}
public async Task MultipleMessagesFromOneClient_SuccessResponses()
{
// Arrange
var ms = new MemoryStream();
MessageHelpers.WriteMessage(ms, new ChatMessage
{
Name = "John",
Message = "Hello Jill"
});
var requestStream = new SyncPointMemoryStream();
var httpRequest = new HttpRequestMessage(HttpMethod.Post, "Chat.Chatter/Chat");
httpRequest.Content = new GrpcStreamContent(requestStream);
// Act
var responseTask = Fixture.Client.SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead);
// Assert
Assert.IsFalse(responseTask.IsCompleted, "Server should wait for first message from client");
requestStream.AddData(ms.ToArray());
var response = await responseTask.DefaultTimeout();
response.AssertIsSuccessfulGrpcRequest();
var responseStream = await response.Content.ReadAsStreamAsync().DefaultTimeout();
var pipeReader = new StreamPipeReader(responseStream);
var message1Task = MessageHelpers.AssertReadStreamMessageAsync <ChatMessage>(pipeReader);
var message1 = await message1Task.DefaultTimeout();
Assert.AreEqual("John", message1.Name);
Assert.AreEqual("Hello Jill", message1.Message);
var message2Task = MessageHelpers.AssertReadStreamMessageAsync <ChatMessage>(pipeReader);
Assert.IsFalse(message2Task.IsCompleted, "Server is waiting for messages from client");
ms = new MemoryStream();
MessageHelpers.WriteMessage(ms, new ChatMessage
{
Name = "Jill",
Message = "Hello John"
});
requestStream.AddData(ms.ToArray());
var message2 = await message2Task.DefaultTimeout();
Assert.AreEqual("Jill", message2.Name);
Assert.AreEqual("Hello John", message2.Message);
var finishedTask = MessageHelpers.AssertReadStreamMessageAsync <ChatMessage>(pipeReader);
Assert.IsFalse(finishedTask.IsCompleted, "Server is waiting for client to end streaming");
requestStream.AddData(Array.Empty <byte>());
await finishedTask.DefaultTimeout();
Assert.AreEqual(StatusCode.OK.ToTrailerString(), Fixture.TrailersContainer.Trailers[GrpcProtocolConstants.StatusTrailer].Single());
}
public async Task NoBuffering_SuccessResponsesStreamed()
{
using var httpEventSource = new HttpEventSourceListener(LoggerFactory);
var methodWrapper = new MethodWrapper
{
Logger = Logger,
SyncPoint = new SyncPoint(runContinuationsAsynchronously: true)
};
async Task SayHellos(HelloRequest request, IServerStreamWriter <HelloReply> responseStream, ServerCallContext context)
{
// Explicitly send the response headers before any streamed content
Metadata responseHeaders = new Metadata();
responseHeaders.Add("test-response-header", "value");
await context.WriteResponseHeadersAsync(responseHeaders);
await methodWrapper.SayHellosAsync(request, responseStream);
}
// Arrange
var method = Fixture.DynamicGrpc.AddServerStreamingMethod <HelloRequest, HelloReply>(SayHellos);
var requestMessage = new HelloRequest
{
Name = "World"
};
var requestStream = new MemoryStream();
MessageHelpers.WriteMessage(requestStream, requestMessage);
var httpRequest = GrpcHttpHelper.Create(method.FullName);
httpRequest.Content = new GrpcStreamContent(requestStream);
// Act
var response = await Fixture.Client.SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead).DefaultTimeout();
// Assert
response.AssertIsSuccessfulGrpcRequest();
var responseStream = await response.Content.ReadAsStreamAsync().DefaultTimeout();
var pipeReader = PipeReader.Create(responseStream);
for (var i = 0; i < 3; i++)
{
var greetingTask = MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader);
Assert.IsFalse(greetingTask.IsCompleted);
await methodWrapper.SyncPoint.WaitForSyncPoint().DefaultTimeout();
var currentSyncPoint = methodWrapper.SyncPoint;
methodWrapper.SyncPoint = new SyncPoint(runContinuationsAsynchronously: true);
currentSyncPoint.Continue();
var greeting = (await greetingTask.DefaultTimeout()) !;
Assert.AreEqual($"How are you World? {i}", greeting.Message);
}
var goodbyeTask = MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader);
Assert.False(goodbyeTask.IsCompleted);
await methodWrapper.SyncPoint.WaitForSyncPoint().DefaultTimeout();
methodWrapper.SyncPoint.Continue();
Assert.AreEqual("Goodbye World!", (await goodbyeTask.DefaultTimeout()) !.Message);
var finishedTask = MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader);
Assert.IsNull(await finishedTask.DefaultTimeout());
}
public async Task Buffering_SuccessResponsesStreamed()
{
var methodWrapper = new MethodWrapper
{
Logger = Logger,
SyncPoint = new SyncPoint(runContinuationsAsynchronously: true)
};
Task SayHellosBufferHint(HelloRequest request, IServerStreamWriter <HelloReply> responseStream, ServerCallContext context)
{
context.WriteOptions = new WriteOptions(WriteFlags.BufferHint);
return(methodWrapper.SayHellosAsync(request, responseStream));
}
// Arrange
var method = Fixture.DynamicGrpc.AddServerStreamingMethod <HelloRequest, HelloReply>(SayHellosBufferHint);
var requestMessage = new HelloRequest
{
Name = "World"
};
var requestStream = new MemoryStream();
MessageHelpers.WriteMessage(requestStream, requestMessage);
var httpRequest = GrpcHttpHelper.Create(method.FullName);
httpRequest.Content = new GrpcStreamContent(requestStream);
// Act
var responseTask = Fixture.Client.SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead).DefaultTimeout();
// Assert
Assert.IsFalse(responseTask.IsCompleted, "Server should wait for first message from client");
await methodWrapper.SyncPoint.WaitForSyncPoint().DefaultTimeout();
methodWrapper.SyncPoint.Continue();
var response = await responseTask.DefaultTimeout();
response.AssertIsSuccessfulGrpcRequest();
var responseStream = await response.Content.ReadAsStreamAsync().DefaultTimeout();
var pipeReader = PipeReader.Create(responseStream);
for (var i = 0; i < 3; i++)
{
var greeting = (await MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader).DefaultTimeout()) !;
Assert.AreEqual($"How are you World? {i}", greeting.Message);
}
var goodbye = await MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader).DefaultTimeout();
Assert.AreEqual("Goodbye World!", goodbye !.Message);
Assert.IsNull(await MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader).DefaultTimeout());
response.AssertTrailerStatus();
}
public async Task WriteResponseHeadersAsyncCore_FlushesHeadersToClient()
{
var methodWrapper = new MethodWrapper
{
Logger = Logger,
SyncPoint = new SyncPoint(runContinuationsAsynchronously: true)
};
async Task SayHellosSendHeadersFirst(HelloRequest request, IServerStreamWriter <HelloReply> responseStream, ServerCallContext context)
{
await context.WriteResponseHeadersAsync(Metadata.Empty);
await methodWrapper.SayHellosAsync(request, responseStream);
}
// Arrange
var method = Fixture.DynamicGrpc.AddServerStreamingMethod <HelloRequest, HelloReply>(SayHellosSendHeadersFirst);
var requestMessage = new HelloRequest
{
Name = "World"
};
var requestStream = new MemoryStream();
MessageHelpers.WriteMessage(requestStream, requestMessage);
var httpRequest = GrpcHttpHelper.Create(method.FullName);
httpRequest.Content = new GrpcStreamContent(requestStream);
// Act
var response = await Fixture.Client.SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead).DefaultTimeout();
// Assert
response.AssertIsSuccessfulGrpcRequest();
Logger.LogInformation("Headers received. Starting to read stream");
var responseStream = await response.Content.ReadAsStreamAsync().DefaultTimeout();
var pipeReader = PipeReader.Create(responseStream);
for (var i = 0; i < 3; i++)
{
Logger.LogInformation($"Reading message {i}.");
var greetingTask = MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader);
// The headers are already sent
// All responses are streamed
Logger.LogInformation($"Message task completed: {greetingTask.IsCompleted}");
Assert.IsFalse(greetingTask.IsCompleted);
await methodWrapper.SyncPoint.WaitForSyncPoint().DefaultTimeout();
var currentSyncPoint = methodWrapper.SyncPoint;
methodWrapper.SyncPoint = new SyncPoint(runContinuationsAsynchronously: true);
currentSyncPoint.Continue();
var greeting = (await greetingTask.DefaultTimeout()) !;
Logger.LogInformation($"Received message {i}: {greeting.Message}");
Assert.AreEqual($"How are you World? {i}", greeting.Message);
}
var goodbyeTask = MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader);
Assert.False(goodbyeTask.IsCompleted);
await methodWrapper.SyncPoint.WaitForSyncPoint().DefaultTimeout();
methodWrapper.SyncPoint.Continue();
Assert.AreEqual("Goodbye World!", (await goodbyeTask.DefaultTimeout()) !.Message);
var finishedTask = MessageHelpers.AssertReadStreamMessageAsync <HelloReply>(pipeReader);
Assert.IsNull(await finishedTask.DefaultTimeout());
}
