"""接口指标可观测(observe)单测:配置门槛 / 队列 / 中间件 / worker。

沿用仓库约定:TestClient + monkeypatch,绝不打真网络。observe 默认关(conftest 未设
OBSERVE_*),需要开启的用例用 monkeypatch 改 settings 单例属性。
"""
from __future__ import annotations

from app.core.config import settings


def test_observe_configured_requires_switch_and_creds(monkeypatch):
    # 开关开 + endpoint(默认 localhost)+ user + password 齐全 → True
    monkeypatch.setattr(settings, "OBSERVE_ENABLED", True)
    monkeypatch.setattr(settings, "OBSERVE_USER", "u")
    monkeypatch.setattr(settings, "OBSERVE_PASSWORD", "p")
    assert settings.observe_configured is True

    # 缺密码 → False
    monkeypatch.setattr(settings, "OBSERVE_PASSWORD", "")
    assert settings.observe_configured is False

    # 开关关 → False(即便凭证齐全)
    monkeypatch.setattr(settings, "OBSERVE_PASSWORD", "p")
    monkeypatch.setattr(settings, "OBSERVE_ENABLED", False)
    assert settings.observe_configured is False