"""Tests for UIPanelConfig in src/type_aliases.py

Per-aggregate dataclass regression-guard for the metadata_promotion_20260624 track.

CONVENTION: 1-space indentation. NO COMMENTS.
"""
from __future__ import annotations

from dataclasses import FrozenInstanceError

import pytest

from src.type_aliases import UIPanelConfig


def test_constructor_with_kwargs() -> None:
 cfg = UIPanelConfig(separate_message_panel=True, separate_response_panel=False, separate_tool_calls_panel=True)
 assert cfg.separate_message_panel is True
 assert cfg.separate_response_panel is False
 assert cfg.separate_tool_calls_panel is True


def test_field_access() -> None:
 cfg = UIPanelConfig(separate_message_panel=True)
 assert cfg.separate_message_panel is True


def test_frozen_raises_on_mutation() -> None:
 cfg = UIPanelConfig()
 with pytest.raises(FrozenInstanceError):
  cfg.separate_message_panel = True


def test_to_dict_roundtrip() -> None:
 cfg = UIPanelConfig(separate_message_panel=True, separate_response_panel=True, separate_tool_calls_panel=False)
 d = cfg.to_dict()
 assert d["separate_message_panel"] is True
 assert d["separate_response_panel"] is True
 assert d["separate_tool_calls_panel"] is False


def test_default_values() -> None:
 cfg = UIPanelConfig()
 assert cfg.separate_message_panel is False
 assert cfg.separate_response_panel is False
 assert cfg.separate_tool_calls_panel is False


def test_hashability() -> None:
 cfg = UIPanelConfig(separate_message_panel=True)
 assert hash(cfg) is not None