public async Task AsyncServerStreamingCall_TrailersOnly_TrailersReturnedWithHeaders()
{
// Arrange
HttpResponseMessage?responseMessage = null;
var httpClient = ClientTestHelpers.CreateTestClient(request =>
{
responseMessage = ResponseUtils.CreateResponse(HttpStatusCode.OK, new ByteArrayContent(Array.Empty <byte>()), grpcStatusCode: null);
responseMessage.Headers.Add(GrpcProtocolConstants.StatusTrailer, StatusCode.OK.ToString("D"));
responseMessage.Headers.Add(GrpcProtocolConstants.MessageTrailer, "Detail!");
return(Task.FromResult(responseMessage));
});
var invoker = HttpClientCallInvokerFactory.Create(httpClient);
// Act
var call = invoker.AsyncServerStreamingCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(), new HelloRequest());
var headers = await call.ResponseHeadersAsync;
await call.ResponseStream.MoveNext(CancellationToken.None);
// Assert
Assert.NotNull(responseMessage);
Assert.IsFalse(responseMessage !.TrailingHeaders.Any()); // sanity check that there are no trailers
Assert.AreEqual(StatusCode.OK, call.GetStatus().StatusCode);
Assert.AreEqual("Detail!", call.GetStatus().Detail);
Assert.AreEqual(0, headers.Count);
Assert.AreEqual(0, call.GetTrailers().Count);
}
public async Task AsyncUnaryCall_SuccessTrailersOnly_ThrowNoMessageError()
{
// Arrange
HttpResponseMessage?responseMessage = null;
var httpClient = ClientTestHelpers.CreateTestClient(request =>
{
responseMessage = ResponseUtils.CreateResponse(HttpStatusCode.OK, new ByteArrayContent(Array.Empty <byte>()), grpcStatusCode: null);
responseMessage.Headers.Add(GrpcProtocolConstants.StatusTrailer, StatusCode.OK.ToString("D"));
responseMessage.Headers.Add(GrpcProtocolConstants.MessageTrailer, "Detail!");
return(Task.FromResult(responseMessage));
});
var invoker = HttpClientCallInvokerFactory.Create(httpClient);
// Act
var call = invoker.AsyncUnaryCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(), new HelloRequest());
var headers = await call.ResponseHeadersAsync.DefaultTimeout();
var response = await ExceptionAssert.ThrowsAsync <InvalidOperationException>(() => call.ResponseAsync).DefaultTimeout();
// Assert
Assert.NotNull(responseMessage);
Assert.IsFalse(responseMessage !.TrailingHeaders.Any()); // sanity check that there are no trailers
Assert.AreEqual(StatusCode.OK, call.GetStatus().StatusCode);
Assert.AreEqual("Detail!", call.GetStatus().Detail);
Assert.AreEqual(0, headers.Count);
Assert.AreEqual(0, call.GetTrailers().Count);
}
public async Task AsyncUnaryCall_SuccessTrailersOnly_ThrowNoMessageError()
{
// Arrange
HttpResponseMessage?responseMessage = null;
var httpClient = ClientTestHelpers.CreateTestClient(request =>
{
responseMessage = ResponseUtils.CreateHeadersOnlyResponse(HttpStatusCode.OK, StatusCode.OK, customHeaders: new Dictionary <string, string> {
[GrpcProtocolConstants.MessageTrailer] = "Detail!"
});
return(Task.FromResult(responseMessage));
});
var invoker = HttpClientCallInvokerFactory.Create(httpClient);
// Act
var call = invoker.AsyncUnaryCall <HelloRequest, HelloReply>(ClientTestHelpers.ServiceMethod, string.Empty, new CallOptions(), new HelloRequest());
var headers = await call.ResponseHeadersAsync.DefaultTimeout();
var ex = await ExceptionAssert.ThrowsAsync <RpcException>(() => call.ResponseAsync).DefaultTimeout();
// Assert
Assert.NotNull(responseMessage);
Assert.IsFalse(responseMessage !.TrailingHeaders.Any()); // sanity check that there are no trailers
Assert.AreEqual(StatusCode.Internal, ex.Status.StatusCode);
Assert.AreEqual("Failed to deserialize response message.", ex.Status.Detail);
Assert.AreEqual(StatusCode.Internal, call.GetStatus().StatusCode);
Assert.AreEqual("Failed to deserialize response message.", call.GetStatus().Detail);
Assert.AreEqual(0, headers.Count);
Assert.AreEqual(0, call.GetTrailers().Count);
}
