import pytest
from unittest.mock import patch, MagicMock

def test_gui_frosted_background_call():
 # Mock ShaderManager and OpenGL functions
 with patch("src.gui_2.ShaderManager") as mock_sm_class, \
      patch("src.gui_2.gl") as mock_gl, \
      patch("src.gui_2.imgui") as mock_imgui:
  
  mock_sm = mock_sm_class.return_value
  mock_sm.fbo_width = 0
  mock_sm.fbo_height = 0
  mock_sm.capture_tex = 1
  mock_sm.blur_tex = 2
  
  mock_imgui.get_io().display_size = MagicMock(x=1920, y=1080)
  
  from src.gui_2 import App
  app = App()
  
  # Simulate frame
  app._render_frosted_background(pos=MagicMock(x=10, y=10), size=MagicMock(x=100, y=100))
  
  assert mock_sm.setup_capture_fbo.called
  assert mock_gl.glCopyTexImage2D.called
  assert mock_sm.render_blur.called
  assert mock_sm.capture_begin.called
  assert mock_sm.capture_end.called