import os
from mqtt_home.config import Settings


def test_default_settings():
    s = Settings(_env_file=None)
    assert s.mqtt_host == "localhost"
    assert s.mqtt_port == 1883
    assert s.web_port == 8000


def test_settings_from_env(monkeypatch):
    monkeypatch.setenv("MQTT_HOST", "192.168.1.1")
    monkeypatch.setenv("MQTT_PORT", "1884")
    s = Settings()
    assert s.mqtt_host == "192.168.1.1"
    assert s.mqtt_port == 1884