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sligter
56 lines
2.1 KiB
Python
56 lines
2.1 KiB
Python
import errno
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import os
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import stat
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from pathlib import Path
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from dotenv import main as dotenv_main
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from landppt.services.config_service import ConfigService
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def test_update_config_preserves_env_inode_ownership_and_mode(tmp_path, monkeypatch):
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env_path = tmp_path / ".env"
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env_path.write_text(
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"# preserved comment\nOPENAI_MODEL=old-model\nUNCHANGED=value",
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encoding="utf-8",
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)
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env_path.chmod(0o640)
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monkeypatch.setenv("OPENAI_MODEL", "process-old-model")
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monkeypatch.setenv("OPENAI_BASE_URL", "https://process-old.test/v1")
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service = ConfigService(env_file=str(env_path))
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monkeypatch.setattr(service, "_reload_ai_config", lambda: None)
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move_file = dotenv_main.shutil.move
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def reject_bind_mount_replacement(source, destination, *args, **kwargs):
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if Path(destination).resolve() == env_path.resolve():
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raise OSError(errno.EBUSY, "bind-mounted file cannot be replaced")
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return move_file(source, destination, *args, **kwargs)
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monkeypatch.setattr(dotenv_main.shutil, "move", reject_bind_mount_replacement)
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before = env_path.stat()
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# Keep the original inode open, as a bind mount does at the VFS boundary.
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with env_path.open("rb") as mounted_file:
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mounted = os.fstat(mounted_file.fileno())
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assert service.update_config(
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{
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"openai_model": "new-model",
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"openai_base_url": "https://example.test/v1",
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}
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) is True
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after = env_path.stat()
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assert (after.st_dev, after.st_ino) == (mounted.st_dev, mounted.st_ino)
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assert (after.st_dev, after.st_ino) == (before.st_dev, before.st_ino)
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assert (after.st_uid, after.st_gid) == (before.st_uid, before.st_gid)
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assert stat.S_IMODE(after.st_mode) == stat.S_IMODE(before.st_mode)
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assert env_path.read_text(encoding="utf-8") == (
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"# preserved comment\n"
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"OPENAI_MODEL=new-model\n"
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"UNCHANGED=value\n"
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"OPENAI_BASE_URL=https://example.test/v1\n"
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)
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assert os.environ["OPENAI_MODEL"] == "new-model"
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assert os.environ["OPENAI_BASE_URL"] == "https://example.test/v1"
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