"""
Requer o container de dev rodando (licenciamento-mysql-dev, porta 3307 —
ver licenciamento-n8n/docs/configurar-banco-sistema.md). tests/conftest.py
já configura as env vars de conexão com os mesmos defaults do .env.example.
"""
from app.db.connection import get_connection


def test_conexao_abre_e_consulta():
    conn = get_connection()
    try:
        with conn.cursor() as cur:
            cur.execute("SELECT 1 AS um")
            row = cur.fetchone()
            assert row == {"um": 1}
    finally:
        conn.close()