71 lines
2.8 KiB
Python
71 lines
2.8 KiB
Python
# coding: utf-8
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"""收发日志上限与队列消费回归自检（无窗口, 离屏渲染）。
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背景: v0.4.3 之前收发日志用 textCursor 手工裁剪, 其中 `cursor.Start` /
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`cursor.BlockUnderCursor` 是实例级枚举访问 —— PySide6 6.11 移除了该形式,
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日志一旦超过 500 行, 每次 _dlpc_log 追加后必抛 AttributeError; 且异常会
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逃出 _poll_dlpc 的 drain 循环（旧 try 只捕获 queue.Empty）, 每 tick 最多
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消费到第一条 event, `_dlpc_log_q` 棘轮积压、日志裁剪与自动滚动全部失效,
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电源自检/功率检测序列还会被异常打断在启动处（之后所有命令被"序列进行中"
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拦截）。v0.4.3 改为 setMaximumBlockCount 环形裁剪 + 逐事件异常兜底。
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本测试保证:
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1. 连续追加 600 行日志不抛异常, document().blockCount() 环形封顶 500, 末行在;
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2. 单条异常事件（模拟未来引入的坏数据）不中断 _poll_dlpc 本轮队列消费
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—— 其后的事件仍全部入日志、队列清空。
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运行: python selftest_log.py （依赖 PySide6-Fluent-Widgets 与 pyserial ——
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串口卡构建后 txt_dlpc 才存在）
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"""
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import os
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import sys
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os.environ.setdefault("QT_QPA_PLATFORM", "offscreen")
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sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
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from PySide6.QtWidgets import QApplication
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from qfluentwidgets import Theme, setTheme
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import app_fluent
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import dlpc_rs485
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def check_cap(win):
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for i in range(600):
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win._dlpc_log(f"cap-line-{i}")
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blocks = win.txt_dlpc.document().blockCount()
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has_last = "cap-line-599" in win.txt_dlpc.toPlainText()
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print(f" 追加 600 行: blockCount={blocks}(封顶 500), 末行在: {has_last}")
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return blocks <= 500 and has_last
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def check_drain_resilience(win):
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win._timer.stop() # 排除 80ms 轮询定时器干扰
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win._dlpc_log_q.put(("pdframe", "poison-not-a-frame")) # 该条分发必抛异常
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win._dlpc_log_q.put(("event", "after-poison-1"))
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win._dlpc_log_q.put(("event", "after-poison-2"))
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win._poll_dlpc() # 单次手动驱动(不进事件循环)
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left = win._dlpc_log_q.qsize()
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text = win.txt_dlpc.toPlainText()
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drained = left == 0 and "after-poison-1" in text and "after-poison-2" in text
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print(f" 坏条目后消费不中断: 残留队列={left}, 后续事件全部写入: {drained}")
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return drained
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def main():
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if not dlpc_rs485.HAS_SERIAL:
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print("FAILED 缺少 pyserial: 串口卡未构建, txt_dlpc 不存在")
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return 1
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app = QApplication.instance() or QApplication(sys.argv)
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setTheme(Theme.AUTO)
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win = app_fluent.App(0)
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passed = check_cap(win)
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passed &= check_drain_resilience(win)
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win.close()
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print("ALL PASS" if passed else "FAILED")
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return 0 if passed else 1
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if __name__ == "__main__":
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sys.exit(main())
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