"""run_python/shell 超时返回部分输出(失败面板 #8:批量 I/O 超时丢进度反复重跑)。"""
from __future__ import annotations

import tempfile
import unittest

from tools.base import format_timeout_result
from tools.run_python import RunPythonTool


class TestFormatTimeoutResult(unittest.TestCase):
    def test_includes_partial_stdout_and_hint(self):
        out = format_timeout_result("[OK] journal 1\n[OK] journal 2\n", "", 120)
        self.assertIn("[stdout]", out)
        self.assertIn("[OK] journal 1", out)
        self.assertIn("[OK] journal 2", out)
        self.assertIn("timed out after 120s", out)
        self.assertIn("续跑", out)            # 续跑提示
        self.assertIn("background=true", out)  # 后台指路

    def test_includes_partial_stderr(self):
        out = format_timeout_result("", "warn: slow\n", 60)
        self.assertIn("[stderr]", out)
        self.assertIn("warn: slow", out)
        self.assertIn("timed out after 60s", out)

    def test_empty_output_still_reports_timeout(self):
        out = format_timeout_result("", "", 30)
        self.assertNotIn("[stdout]", out)
        self.assertNotIn("[stderr]", out)
        self.assertIn("timed out after 30s", out)


class TestHostTimeoutPartial(unittest.TestCase):
    def test_partial_progress_returned_on_timeout(self):
        """前台跑到一半超时:-u 无缓冲让进度落盘,超时结果带上 → 模型可据此续跑。"""
        code = (
            "print('[OK] item 1')\n"
            "print('[OK] item 2')\n"
            "import time\n"
            "time.sleep(30)\n"
        )
        with tempfile.TemporaryDirectory() as tmp:
            out = RunPythonTool(base_dir=tmp).execute(code=code, timeout=1)
        self.assertIn("timed out after 1s", out)
        self.assertIn("[OK] item 1", out)   # -u 无缓冲,部分输出被捕获
        self.assertIn("[OK] item 2", out)
        self.assertIn("续跑", out)


if __name__ == "__main__":
    unittest.main()