"""
测试性能监控服务
"""

import time
from core.performance_monitor import performance_monitor, PerformanceContext

print('测试性能监控服务...')

# 测试1: 记录性能指标
print('\n1. 测试记录性能指标:')
metric = performance_monitor.record_metric("test_operation", 1.5, {"detail": "test"})
print(f'  记录指标: {metric.name} = {metric.duration}s')

# 测试2: 使用装饰器测量性能
print('\n2. 测试装饰器测量:')

@performance_monitor.measure("decorated_function")
def test_function():
    time.sleep(0.1)
    return "done"

result = test_function()
print(f'  函数执行结果: {result}')
metrics = performance_monitor.get_metrics("decorated_function")
print(f'  记录指标数: {len(metrics)}')

# 测试3: 使用上下文管理器
print('\n3. 测试上下文管理器:')
with performance_monitor.measure_context("context_operation"):
    time.sleep(0.05)

metrics = performance_monitor.get_metrics("context_operation")
print(f'  记录指标数: {len(metrics)}')
if metrics:
    print(f'  持续时间: {metrics[0].duration:.3f}s')

# 测试4: 生成性能报告
print('\n4. 测试生成性能报告:')
report = performance_monitor.get_performance_report()
print(f'  总指标数: {report["total_metrics"]}')
print(f'  指标分类: {list(report["metrics_by_name"].keys())}')
print(f'  阈值违规: {len(report["threshold_violations"])}')

# 测试5: 检查阈值
print('\n5. 测试阈值检查:')
is_ok = performance_monitor.check_threshold("page_load", 2.0)
print(f'  页面加载2秒: {"通过" if is_ok else "失败"}')

is_ok = performance_monitor.check_threshold("page_load", 5.0)
print(f'  页面加载5秒: {"通过" if is_ok else "失败"}')

# 测试6: 获取平均值
print('\n6. 测试获取平均值:')
avg = performance_monitor.get_average_duration("test_operation")
print(f'  test_operation平均时间: {avg:.3f}s')

print('\n✅ 性能监控服务测试通过！')