import pytest
from pydantic import ValidationError

from app.settings import Settings


def test_environment_settings(monkeypatch) -> None:
    monkeypatch.setenv("MONITOR_REQUEST_TIMEOUT_SECONDS", "3.5")
    monkeypatch.setenv("MONITOR_MAX_REDIRECTS", "3")
    settings = Settings()
    assert settings.request_timeout_seconds == 3.5
    assert settings.max_redirects == 3


def test_invalid_settings_fail_fast() -> None:
    with pytest.raises(ValidationError):
        Settings(request_timeout_seconds=0)
    with pytest.raises(ValidationError):
        Settings(max_redirects=99)