from __future__ import annotations

from app.utils.validators import is_valid_device_uid, is_valid_email


def test_valid_device_uid() -> None:
    assert is_valid_device_uid("device-001")
    assert is_valid_device_uid("SENSOR_ABC_123")
    assert not is_valid_device_uid("ab")  # too short
    assert not is_valid_device_uid("device uid")  # space
    assert not is_valid_device_uid("")


def test_valid_email() -> None:
    assert is_valid_email("user@example.com")
    assert is_valid_email("test.user+tag@domain.co.kr")
    assert not is_valid_email("not-an-email")
    assert not is_valid_email("@domain.com")