import pytest
from unittest.mock import patch, MagicMock
from imgui_bundle import imgui

def test_gui_window_controls_minimize_maximize_close():
 # We will test the logic of the title bar controls that we are about to implement.
 from src.gui_2 import App
 app = App()
 
 with patch("src.gui_2.win32gui") as mock_win32gui, \
      patch("src.gui_2.win32con") as mock_win32con, \
      patch("src.gui_2.imgui") as mock_imgui:
  
  # Setup mock for HWND
  mock_viewport = MagicMock()
  mock_viewport.platform_handle = 12345
  mock_imgui.get_main_viewport.return_value = mock_viewport
  
  # Setup mock for buttons to simulate clicks
  # Let's say _render_custom_title_bar uses imgui.button
  # We will test the close button logic
  # Since it's UI code, we just simulate the conditions
  mock_imgui.button.return_value = True # Simulate all buttons being clicked
  
  # Call the method (to be implemented)
  app._render_custom_title_bar()
  
  # Verify that win32gui calls are made for minimize, maximize, close
  # Since all buttons returned True, all actions should be triggered in this dummy test
  assert mock_win32gui.ShowWindow.called
  assert mock_win32gui.PostMessage.called