def test_show_hide_rendering(self, _init_pygame, default_ui_manager,
                                 _display_surface_return_none):
        resolution = (400, 400)
        empty_surface = pygame.Surface(resolution)
        empty_surface.fill(pygame.Color(0, 0, 0))

        surface = empty_surface.copy()
        manager = UIManager(resolution)

        text_entry = UITextEntryLine(relative_rect=pygame.Rect(
            100, 100, 400, 400),
                                     manager=manager,
                                     visible=0)
        manager.update(0.01)
        manager.draw_ui(surface)
        assert compare_surfaces(empty_surface, surface)

        surface.fill(pygame.Color(0, 0, 0))
        text_entry.show()
        manager.update(0.01)
        manager.draw_ui(surface)
        assert not compare_surfaces(empty_surface, surface)

        surface.fill(pygame.Color(0, 0, 0))
        text_entry.hide()
        manager.update(0.01)
        manager.draw_ui(surface)
        assert compare_surfaces(empty_surface, surface)
    def test_hide(self, _init_pygame, default_ui_manager,
                  _display_surface_return_none):
        text_entry = UITextEntryLine(relative_rect=pygame.Rect(
            100, 100, 200, 30),
                                     manager=default_ui_manager)

        assert text_entry.visible == 1
        text_entry.hide()
        assert text_entry.visible == 0