import pytest

from thoughtsync.config import Config


@pytest.fixture(autouse=True)
def _isolated_data_dir(tmp_path, monkeypatch):
    """Point DATA_DIR at a writable temp dir so create_app() can generate its
    signing key without needing /var/thoughtsync to exist (DB-free unit tests)."""
    data_dir = tmp_path / "data"
    monkeypatch.setattr(Config, "DATA_DIR", str(data_dir))
    monkeypatch.setattr(Config, "MEDIA_ROOT", str(data_dir / "media"))
    yield