vincent
7f1edfb2fd
- 新增 scripts/rate_limiter.py 核心模块 - TokenBucket: 令牌桶限流器（40 RPM 上限） - RequestScheduler: 四级优先级请求队列调度器 - CacheManager: 查询结果缓存（分 TTL 策略） - retry_with_backoff: 指数退避重试装饰器 - CoordinatedPoller: COO 统一轮询器 - 新增 scripts/test_rate_limiter.py 测试套件 - 覆盖令牌桶、缓存、队列、重试、轮询、压力测试 - 所有测试通过 ✅ - 新增 docs/BIZ-26-限流器使用文档.md - API 参考、使用示例、集成指南 - 缓存策略、降级策略、监控调试 实现参考：plans/BIZ-13_运行稳定性保障方案.md Co-authored-by: multica-agent <github@multica.ai>
306 lines
8.5 KiB
Python
306 lines
8.5 KiB
Python
#!/usr/bin/env python3
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"""
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BIZ-26 限流器测试脚本
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测试场景：
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1. 令牌桶限流功能
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2. 优先级队列调度
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3. 缓存管理器
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4. 重试机制
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5. 429 错误模拟
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运行方式：
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python3 scripts/test_rate_limiter.py
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"""
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import sys
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import time
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import threading
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from datetime import datetime
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# 添加脚本目录到路径
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sys.path.insert(0, "/home/vincent/.openclaw/workspace/costcodev/EnterpriseArchitect/scripts")
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from rate_limiter import (
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TokenBucket,
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CacheManager,
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RequestScheduler,
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Priority,
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retry_with_backoff,
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CoordinatedPoller,
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)
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def test_token_bucket():
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"""测试令牌桶限流器"""
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print("=" * 60)
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print("测试 1: 令牌桶限流器")
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print("=" * 60)
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# 创建限流器：40 RPM = 0.67 令牌/秒
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bucket = TokenBucket(rate=40/60, capacity=40)
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print(f"\n初始状态：{bucket.get_status()}")
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# 快速消费 10 个令牌
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print("\n快速消费 10 个令牌...")
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success_count = 0
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for i in range(10):
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if bucket.consume():
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success_count += 1
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print(f"成功消费：{success_count}/10")
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print(f"消费后状态：{bucket.get_status()}")
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# 测试等待获取令牌
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print("\n测试等待获取令牌...")
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start = time.time()
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got_token = bucket.wait_for_token(timeout=2.0)
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elapsed = time.time() - start
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print(f"等待耗时：{elapsed:.3f}s, 获取成功：{got_token}")
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print(f"等待后状态：{bucket.get_status()}")
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print("\n✅ 令牌桶测试完成\n")
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def test_cache_manager():
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"""测试缓存管理器"""
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print("=" * 60)
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print("测试 2: 缓存管理器")
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print("=" * 60)
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cache = CacheManager()
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# 测试 WorkBoard 缓存（TTL 5 分钟）
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print("\n1. 设置 WorkBoard 缓存（TTL 5 分钟）")
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cache.set("workboard", {"query": "status=todo"}, [{"id": "card1", "title": "Test"}])
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# 立即读取
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result = cache.get("workboard", {"query": "status=todo"})
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print(f" 立即读取：{result is not None}")
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# 测试配置缓存（TTL 1 小时）
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print("\n2. 设置配置缓存（TTL 1 小时）")
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cache.set("config", "agent_list", ["costcodev", "secretary", "coo"])
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result = cache.get("config", "agent_list")
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print(f" 读取配置：{result}")
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# 测试缓存统计
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print("\n3. 缓存统计")
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stats = cache.get_stats()
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print(f" 总条目数：{stats['total_entries']}")
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print(f" 按类别：{stats['by_category']}")
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# 测试缓存删除
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print("\n4. 删除缓存")
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deleted = cache.delete("workboard", {"query": "status=todo"})
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print(f" 删除成功：{deleted}")
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result = cache.get("workboard", {"query": "status=todo"})
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print(f" 删除后读取：{result is None}")
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print("\n✅ 缓存管理器测试完成\n")
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def test_priority_queue():
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"""测试优先级队列调度"""
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print("=" * 60)
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print("测试 3: 优先级队列调度（简化版，不启动工作线程）")
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print("=" * 60)
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scheduler = RequestScheduler(rate=40/60, capacity=40, enable_cache=True)
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# 模拟请求处理结果
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results = []
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def record_result(data):
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results.append((time.time(), data))
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return data
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# 提交不同优先级的请求（不启动工作线程，只测试队列）
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print("\n提交请求（按顺序）:")
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scheduler.submit(
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payload={"task": "normal_1"},
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priority=Priority.NORMAL,
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callback=record_result
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)
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print(" 1. 正常优先级：normal_1")
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scheduler.submit(
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payload={"task": "urgent_1"},
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priority=Priority.URGENT,
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callback=record_result
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)
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print(" 2. 紧急优先级：urgent_1")
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scheduler.submit(
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payload={"task": "low_1"},
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priority=Priority.LOW,
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callback=record_result
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)
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print(" 3. 低优先级：low_1")
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scheduler.submit(
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payload={"task": "high_1"},
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priority=Priority.HIGH,
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callback=record_result
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)
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print(" 4. 高优先级：high_1")
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# 查看队列大小
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print(f"\n队列大小：{scheduler.get_queue_size()}")
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# 查看状态
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status = scheduler.get_status()
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print(f"初始令牌数：{status['token_bucket']['tokens']}")
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print("\n✅ 优先级队列测试完成（仅提交，未处理）\n")
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def test_retry_decorator():
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"""测试重试装饰器"""
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print("=" * 60)
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print("测试 4: 重试装饰器")
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print("=" * 60)
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attempt_count = [0]
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@retry_with_backoff(max_retries=3, base_delay=0.1, jitter=False)
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def flaky_function():
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attempt_count[0] += 1
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if attempt_count[0] < 3:
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raise Exception(f"模拟失败 (尝试 {attempt_count[0]})")
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return f"成功 (尝试 {attempt_count[0]})"
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print("\n调用易失败函数（前 2 次失败，第 3 次成功）...")
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start = time.time()
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result = flaky_function()
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elapsed = time.time() - start
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print(f"结果：{result}")
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print(f"总尝试次数：{attempt_count[0]}")
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print(f"总耗时：{elapsed:.3f}s")
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print("\n✅ 重试装饰器测试完成\n")
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def test_coordinated_poller():
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"""测试统一轮询器"""
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print("=" * 60)
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print("测试 5: COO 统一轮询器（简化版，短间隔测试）")
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print("=" * 60)
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scheduler = RequestScheduler(rate=40/60, capacity=40)
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poller = CoordinatedPoller(scheduler, poll_interval=2) # 2 秒轮询一次（测试用）
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received_results = []
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def on_poll_result(result):
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received_results.append((datetime.now().strftime("%H:%M:%S"), result))
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print(f" [{datetime.now().strftime('%H:%M:%S')}] 收到轮询结果")
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poller.subscribe(on_poll_result)
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print("\n启动轮询器（轮询间隔 2 秒，运行 5 秒后停止）...")
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poller.start()
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# 等待 5 秒
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time.sleep(5)
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poller.stop()
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print(f"\n收到结果次数：{len(received_results)}")
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for ts, result in received_results:
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print(f" {ts}: {result['timestamp'][:19]}")
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print("\n✅ 统一轮询器测试完成\n")
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def test_rate_limit_stress():
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"""压力测试：快速提交大量请求"""
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print("=" * 60)
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print("测试 6: 压力测试（40 RPM 限制下提交 50 个请求）")
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print("=" * 60)
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scheduler = RequestScheduler(rate=40/60, capacity=40, enable_cache=True)
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scheduler.start()
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completed = []
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failed = []
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lock = threading.Lock()
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def callback(data):
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with lock:
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completed.append(data)
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return data
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print("\n快速提交 50 个请求...")
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start_time = time.time()
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for i in range(50):
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priority = Priority.NORMAL if i % 10 != 0 else Priority.URGENT
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scheduler.submit(
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payload={"index": i},
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priority=priority,
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callback=callback
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)
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print("提交完成，等待处理...")
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# 等待 10 秒
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time.sleep(10)
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elapsed = time.time() - start_time
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# 查看统计
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status = scheduler.get_status()
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print(f"\n耗时：{elapsed:.2f}s")
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print(f"队列大小：{status['queue_size']}")
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print(f"已完成：{status['stats']['completed_requests']}")
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print(f"失败：{status['stats']['failed_requests']}")
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print(f"降级：{status['stats']['fallback_requests']}")
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print(f"令牌桶状态：{status['token_bucket']}")
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scheduler.stop()
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print("\n✅ 压力测试完成\n")
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def main():
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"""运行所有测试"""
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print("\n")
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print("╔" + "=" * 58 + "╗")
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print("║" + " " * 58 + "║")
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print("║" + " BIZ-26 限流器测试套件".center(58) + "║")
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print("║" + " API 请求优先级队列 + 令牌桶限流".center(58) + "║")
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print("║" + " " * 58 + "║")
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print("╚" + "=" * 58 + "╝")
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print()
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try:
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test_token_bucket()
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test_cache_manager()
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test_priority_queue()
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test_retry_decorator()
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test_coordinated_poller()
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test_rate_limit_stress()
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print("\n")
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print("╔" + "=" * 58 + "╗")
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print("║" + " " * 58 + "║")
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print("║" + " ✅ 所有测试完成".center(58) + "║")
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print("║" + " " * 58 + "║")
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print("╚" + "=" * 58 + "╝")
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print()
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except KeyboardInterrupt:
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print("\n\n⚠️ 测试被用户中断\n")
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except Exception as e:
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print(f"\n\n❌ 测试出错：{e}\n")
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import traceback
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traceback.print_exc()
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sys.exit(1)
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if __name__ == "__main__":
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main() |