# -*- coding: utf-8 -*-
"""logutil 模块测试：文件落盘、级别过滤、异常堆栈、队列处理器。"""
import logging
import queue

from violation_detector.logutil import LOGGER_NAME, QueueHandler, setup_logging


def get_logger():
    return logging.getLogger(LOGGER_NAME)


def test_setup_creates_file_and_logs(tmp_path):
    path = setup_logging(console=False, log_dir=tmp_path)
    assert path.exists()
    get_logger().info("你好日志")
    for h in get_logger().handlers:
        h.flush()
    text = path.read_text(encoding="utf-8")
    assert "你好日志" in text
    assert "[violation_detector]" in text  # 详细格式含模块名


def test_exception_logs_full_traceback(tmp_path):
    path = setup_logging(console=False, log_dir=tmp_path)
    try:
        raise ValueError("爆炸点")
    except ValueError:
        get_logger().exception("捕获到异常")
    for h in get_logger().handlers:
        h.flush()
    text = path.read_text(encoding="utf-8")
    assert "Traceback (most recent call last)" in text
    assert "ValueError: 爆炸点" in text
    assert "test_exception_logs_full_traceback" in text  # 堆栈含调用位置


def test_debug_goes_to_file_not_queue(tmp_path):
    """文件记录 DEBUG 全量；队列处理器（GUI）只收 INFO 以上。"""
    path = setup_logging(console=False, log_dir=tmp_path)
    q = queue.Queue()
    get_logger().addHandler(QueueHandler(q))
    get_logger().debug("调试细节")
    get_logger().warning("告警信息")
    msgs = []
    while not q.empty():
        msgs.append(q.get_nowait()[1])
    # 队列里只有 WARNING，DEBUG 只进文件
    assert any("告警信息" in m for m in msgs)
    assert not any("调试细节" in m for m in msgs)
    for h in get_logger().handlers:
        if isinstance(h, logging.FileHandler):
            h.stream.flush()
    assert "调试细节" in path.read_text(encoding="utf-8")