122 lines
2.9 KiB
C#
122 lines
2.9 KiB
C#
// Copyright Epic Games, Inc. All Rights Reserved.
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#region Copyright notice and license
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// Copyright 2019 The gRPC Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#endregion
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using System.Threading.Channels;
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using Grpc.Core;
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namespace HordeServer.Tests
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{
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public class TestServerStreamWriter<T> : IServerStreamWriter<T> where T : class
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{
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private readonly ServerCallContext _serverCallContext;
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private readonly Channel<T> _channel;
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public WriteOptions? WriteOptions { get; set; }
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public TestServerStreamWriter(ServerCallContext serverCallContext)
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{
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_channel = System.Threading.Channels.Channel.CreateUnbounded<T>();
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_serverCallContext = serverCallContext;
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}
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public void Complete()
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{
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_channel.Writer.Complete();
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}
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public IAsyncEnumerable<T> ReadAllAsync()
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{
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return _channel.Reader.ReadAllAsync();
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}
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public async Task<T?> ReadNextAsync()
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{
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if (await _channel.Reader.WaitToReadAsync())
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{
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_channel.Reader.TryRead(out T? message);
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return message;
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}
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else
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{
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return null;
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}
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}
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public Task WriteAsync(T message)
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{
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if (_serverCallContext.CancellationToken.IsCancellationRequested)
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{
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return Task.FromCanceled(_serverCallContext.CancellationToken);
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}
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if (!_channel.Writer.TryWrite(message))
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{
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throw new InvalidOperationException("Unable to write message.");
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}
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return Task.CompletedTask;
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}
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}
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public class TestAsyncStreamReader<T> : IAsyncStreamReader<T> where T : class
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{
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private readonly Channel<T> _channel;
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private readonly ServerCallContext _serverCallContext;
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public T Current { get; private set; } = null!;
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public TestAsyncStreamReader(ServerCallContext serverCallContext)
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{
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_channel = System.Threading.Channels.Channel.CreateUnbounded<T>();
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_serverCallContext = serverCallContext;
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}
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public void AddMessage(T message)
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{
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if (!_channel.Writer.TryWrite(message))
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{
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throw new InvalidOperationException("Unable to write message.");
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}
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}
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public void Complete()
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{
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_channel.Writer.Complete();
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}
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public async Task<bool> MoveNext(CancellationToken cancellationToken)
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{
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_serverCallContext.CancellationToken.ThrowIfCancellationRequested();
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if (await _channel.Reader.WaitToReadAsync(cancellationToken))
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{
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if (_channel.Reader.TryRead(out T? message))
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{
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Current = message;
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return true;
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}
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}
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Current = null!;
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return false;
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}
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}
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} |