def test_tables_created(db_conn):
    tables = db_conn.execute(
        "SELECT table_name FROM information_schema.tables WHERE table_schema = 'main'"
    ).fetchall()
    table_names = {t[0] for t in tables}
    expected = {
        "raw_institution",
        "raw_ipeds_finance",
        "raw_ipeds_staff",
        "raw_ipeds_enrollment",
        "raw_990_filing",
        "raw_990_schedule_j",
        "raw_990_part_vii",
        "raw_cpi_u",
    }
    assert expected.issubset(table_names)


def test_schema_idempotent(db_conn):
    """Calling ensure_schema twice should not raise."""
    from admin_analytics.db.schema import ensure_schema
    ensure_schema(db_conn)  # already called in fixture; second call should be fine