| #region Copyright notice and license |
| |
| // Copyright 2015 gRPC authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #endregion |
| |
| using System; |
| using System.Diagnostics; |
| using System.Linq; |
| using System.Threading; |
| using System.Threading.Tasks; |
| using Grpc.Core; |
| using Grpc.Core.Internal; |
| using Grpc.Core.Utils; |
| using NUnit.Framework; |
| |
| namespace Grpc.Core.Tests |
| { |
| /// <summary> |
| /// Tests for Deadline support. |
| /// </summary> |
| public class TimeoutsTest |
| { |
| MockServiceHelper helper; |
| Server server; |
| Channel channel; |
| |
| [SetUp] |
| public void Init() |
| { |
| helper = new MockServiceHelper(); |
| |
| server = helper.GetServer(); |
| server.Start(); |
| channel = helper.GetChannel(); |
| } |
| |
| [TearDown] |
| public void Cleanup() |
| { |
| channel.ShutdownAsync().Wait(); |
| server.ShutdownAsync().Wait(); |
| } |
| |
| [Test] |
| public void InfiniteDeadline() |
| { |
| helper.UnaryHandler = new UnaryServerMethod<string, string>((request, context) => |
| { |
| Assert.AreEqual(DateTime.MaxValue, context.Deadline); |
| return Task.FromResult("PASS"); |
| }); |
| |
| // no deadline specified, check server sees infinite deadline |
| Assert.AreEqual("PASS", Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "abc")); |
| |
| // DateTime.MaxValue deadline specified, check server sees infinite deadline |
| Assert.AreEqual("PASS", Calls.BlockingUnaryCall(helper.CreateUnaryCall(new CallOptions(deadline: DateTime.MaxValue)), "abc")); |
| } |
| |
| [Test] |
| public void DeadlineTransferredToServer() |
| { |
| var clientDeadline = DateTime.UtcNow + TimeSpan.FromDays(7); |
| |
| helper.UnaryHandler = new UnaryServerMethod<string, string>((request, context) => |
| { |
| // A fairly relaxed check that the deadline set by client and deadline seen by server |
| // are in agreement. C core takes care of the work with transferring deadline over the wire, |
| // so we don't need an exact check here. |
| Assert.IsTrue(Math.Abs((clientDeadline - context.Deadline).TotalMilliseconds) < 5000); |
| return Task.FromResult("PASS"); |
| }); |
| Calls.BlockingUnaryCall(helper.CreateUnaryCall(new CallOptions(deadline: clientDeadline)), "abc"); |
| } |
| |
| [Test] |
| public void DeadlineInThePast() |
| { |
| helper.UnaryHandler = new UnaryServerMethod<string, string>(async (request, context) => |
| { |
| await Task.Delay(60000); |
| return "FAIL"; |
| }); |
| |
| var ex = Assert.Throws<RpcException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(new CallOptions(deadline: DateTime.MinValue)), "abc")); |
| // We can't guarantee the status code always DeadlineExceeded. See issue #2685. |
| Assert.Contains(ex.Status.StatusCode, new[] { StatusCode.DeadlineExceeded, StatusCode.Internal }); |
| } |
| |
| [Test] |
| public void DeadlineExceededStatusOnTimeout() |
| { |
| helper.UnaryHandler = new UnaryServerMethod<string, string>(async (request, context) => |
| { |
| await Task.Delay(60000); |
| return "FAIL"; |
| }); |
| |
| var ex = Assert.Throws<RpcException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(new CallOptions(deadline: DateTime.UtcNow.Add(TimeSpan.FromSeconds(5)))), "abc")); |
| // We can't guarantee the status code always DeadlineExceeded. See issue #2685. |
| Assert.Contains(ex.Status.StatusCode, new[] { StatusCode.DeadlineExceeded, StatusCode.Internal }); |
| } |
| |
| [Test] |
| public async Task ServerReceivesCancellationOnTimeout() |
| { |
| var serverReceivedCancellationTcs = new TaskCompletionSource<bool>(); |
| |
| helper.UnaryHandler = new UnaryServerMethod<string, string>(async (request, context) => |
| { |
| // wait until cancellation token is fired. |
| var tcs = new TaskCompletionSource<object>(); |
| context.CancellationToken.Register(() => { tcs.SetResult(null); }); |
| await tcs.Task; |
| serverReceivedCancellationTcs.SetResult(true); |
| return ""; |
| }); |
| |
| var ex = Assert.Throws<RpcException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(new CallOptions(deadline: DateTime.UtcNow.Add(TimeSpan.FromSeconds(5)))), "abc")); |
| // We can't guarantee the status code always DeadlineExceeded. See issue #2685. |
| Assert.Contains(ex.Status.StatusCode, new[] { StatusCode.DeadlineExceeded, StatusCode.Internal }); |
| |
| Assert.IsTrue(await serverReceivedCancellationTcs.Task); |
| } |
| } |
| } |