import pytest
from pydantic import ValidationError

from app.config import Settings


def test_environment_settings(monkeypatch: pytest.MonkeyPatch) -> None:
    monkeypatch.setenv("MONITOR_PORT", "9000")
    monkeypatch.setenv("MONITOR_MAX_REDIRECTS", "2")
    settings = Settings()
    assert settings.port == 9000
    assert settings.max_redirects == 2


def test_invalid_settings_are_rejected() -> None:
    with pytest.raises(ValidationError):
        Settings(connect_timeout_seconds=0)