public async Task NoBuffering_SuccessResponsesStreamed()
{
// Arrange
var requestMessage = new HelloRequest
{
Name = "World"
};
var requestStream = new MemoryStream();
MessageHelpers.WriteMessage(requestStream, requestMessage);
var httpRequest = new HttpRequestMessage(HttpMethod.Post, "Greet.Greeter/SayHellos");
httpRequest.Content = new StreamContent(requestStream);
// Act
var response = await Fixture.Client.SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead).DefaultTimeout();
// Assert
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();
for (var i = 0; i < 3; i++)
{
var greetingTask = MessageHelpers.AssertReadMessageStreamAsync <HelloReply>(responseStream);
// The first response comes with the headers
// Additional responses are streamed
Assert.AreEqual(i == 0, greetingTask.IsCompleted);
var greeting = await greetingTask.DefaultTimeout();
Assert.AreEqual($"How are you World? {i}", greeting.Message);
}
var goodbyeTask = MessageHelpers.AssertReadMessageStreamAsync <HelloReply>(responseStream);
Assert.False(goodbyeTask.IsCompleted);
Assert.AreEqual("Goodbye World!", (await goodbyeTask.DefaultTimeout()).Message);
var finishedTask = MessageHelpers.AssertReadMessageStreamAsync <HelloReply>(responseStream);
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 message1Task = MessageHelpers.AssertReadMessageStreamAsync <ChatMessage>(responseStream);
Assert.IsTrue(message1Task.IsCompleted);
var message1 = await message1Task.DefaultTimeout();
Assert.AreEqual("John", message1.Name);
Assert.AreEqual("Hello Jill", message1.Message);
var message2Task = MessageHelpers.AssertReadMessageStreamAsync <ChatMessage>(responseStream);
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.AssertReadMessageStreamAsync <ChatMessage>(responseStream);
Assert.IsFalse(finishedTask.IsCompleted, "Server is waiting for client to end streaming");
requestStream.AddData(Array.Empty <byte>());
await finishedTask.DefaultTimeout();
}