"""Unit tests for ForceRefreshButton and PromoteFromNextButton.

Uses object.__new__ to bypass HA entity setup — valid because async_press
only calls coordinator methods, not HA lifecycle hooks.
"""
from unittest.mock import AsyncMock, MagicMock

import pytest

from custom_components.room_cal_ha.button import ForceRefreshButton, PromoteFromNextButton


def _button(cls):
  btn = object.__new__(cls)
  btn._coordinator = MagicMock()
  btn._coordinator.async_refresh = AsyncMock()
  btn._coordinator.async_promote_next_to_current = AsyncMock()
  return btn


async def test_force_refresh_calls_coordinator_refresh():
  btn = _button(ForceRefreshButton)
  await btn.async_press()
  btn._coordinator.async_refresh.assert_awaited_once()


async def test_promote_from_next_calls_coordinator_promote():
  btn = _button(PromoteFromNextButton)
  await btn.async_press()
  btn._coordinator.async_promote_next_to_current.assert_awaited_once()


async def test_force_refresh_does_not_call_promote():
  btn = _button(ForceRefreshButton)
  await btn.async_press()
  btn._coordinator.async_promote_next_to_current.assert_not_called()


async def test_promote_does_not_call_refresh():
  btn = _button(PromoteFromNextButton)
  await btn.async_press()
  btn._coordinator.async_refresh.assert_not_called()