GFramework/GFramework.Core.Tests/Architectures/TrackingStreamPipelineBehavior.cs
gewuyou aebf1e974d feat(cqrs): 补齐流式管道行为接缝
- 新增 stream pipeline 契约、dispatcher executor 缓存与 generated invoker 兼容路径

- 补充 Architecture 与 IOC 的流式管道注册入口及对应回归测试

- 更新 CQRS 文档和 cqrs-rewrite 的 active tracking/trace
2026-05-08 08:20:48 +08:00

45 lines
1.7 KiB
C#

// Copyright (c) 2025-2026 GeWuYou
// SPDX-License-Identifier: Apache-2.0
using System.Threading;
using GFramework.Cqrs.Abstractions.Cqrs;
namespace GFramework.Core.Tests.Architectures;
/// <summary>
/// 记录流式请求通过管道次数的测试行为。
/// </summary>
/// <typeparam name="TRequest">流式请求类型。</typeparam>
/// <typeparam name="TResponse">流式响应元素类型。</typeparam>
public sealed class TrackingStreamPipelineBehavior<TRequest, TResponse> : IStreamPipelineBehavior<TRequest, TResponse>
where TRequest : IStreamRequest<TResponse>
{
private static int _invocationCount;
/// <summary>
/// 获取当前测试进程中该流式请求类型对应的行为触发次数。
/// 该计数器是按泛型闭包共享的静态状态,测试需要在每次运行前显式重置。
/// </summary>
public static int InvocationCount
{
get => Volatile.Read(ref _invocationCount);
set => Volatile.Write(ref _invocationCount, value);
}
/// <summary>
/// 以线程安全方式记录一次行为执行,然后继续执行下一个处理阶段。
/// </summary>
/// <param name="message">当前流式请求消息。</param>
/// <param name="next">下一个处理阶段。</param>
/// <param name="cancellationToken">取消令牌。</param>
/// <returns>下游处理阶段返回的异步流。</returns>
public IAsyncEnumerable<TResponse> Handle(
TRequest message,
StreamMessageHandlerDelegate<TRequest, TResponse> next,
CancellationToken cancellationToken)
{
Interlocked.Increment(ref _invocationCount);
return next(message, cancellationToken);
}
}