from app.settings import Settings


def test_database_url_uses_psycopg_and_explicit_fields() -> None:
    settings = Settings(
        db_host="postgres",
        db_port=5432,
        db_name="buyingagent_test",
        db_user="buyingagent",
        db_password="secret",
    )
    assert settings.database_url == (
        "postgresql+psycopg://buyingagent:secret@postgres:5432/buyingagent_test"
    )