# #region TestSessionConfig [C:2] [TYPE Module] [SEMANTICS test, conftest, db]
# @BRIEF Shared pytest fixtures and session configuration for backend tests.
# @RELATION BINDS_TO -> [init_db]
# @PRE All test modules use sys.path patching to import from src/.
# @POST Database tables exist before test session executes.
import sys
from pathlib import Path

sys.path.insert(0, str(Path(__file__).parent.parent / "src"))

import pytest


@pytest.fixture(scope="session", autouse=True)
def ensure_db_tables():
    """Ensure all tables exist before test session.

    This fixture runs once per test session, creating all registered
    SQLAlchemy tables. Individual test modules may also create their
    own in-memory engines — this guarantees the real engine schema
    is initialized for tests that depend on it.
    """
    from src.core.database import init_db
    init_db()
# #endregion TestSessionConfig