text: import pytest
  from qtpy.QtWidgets import QVBoxLayout, QHBoxLayout
  
  from pcdswidgets.vacuum.base import PCDSSymbolBase, ContentLocation
  from pcdswidgets.icons import RGASymbolIcon
  
  
  class BaseSymbol(PCDSSymbolBase):
      """Test Symbol for base class tests"""
      def __init__(self, parent=None):
          super().__init__(parent=parent)
          self.icon = RGASymbolIcon(parent=self)
  
  
  @pytest.fixture(scope='function')
  def symbol(qtbot):
      symbol = BaseSymbol()
      qtbot.addWidget(symbol)
      return symbol
  
  
  def test_show_icon(symbol):
      symbol.showIcon = False
      assert not symbol.icon.isVisible()
  
  
  def test_symbol_paintEvent_smoke(symbol):
      symbol.show()
  
  
  def test_no_controls_content(symbol):
      symbol.controlsLocation = ContentLocation.Hidden
      widget_layout = symbol.interlock.layout().itemAt(0).layout()
      widget = widget_layout.itemAt(0).widget()
      assert widget == symbol.icon
  
  
  @pytest.mark.parametrize('location,layout,position',
                           [(ContentLocation.Top, QVBoxLayout, 0),
                            (ContentLocation.Bottom, QVBoxLayout, 1),
                            (ContentLocation.Left, QHBoxLayout, 0),
                            (ContentLocation.Right, QHBoxLayout, 1)],
                           ids=['Top', 'Bottom', 'Left', 'Right'])
  def test_controls_content_location(symbol, location, layout, position):
      symbol.controlsLocation = location
      assert isinstance(symbol.interlock.layout(), layout)
      widget_layout = symbol.interlock.layout().itemAt(position).layout()
      widget = widget_layout.itemAt(0).widget()
      assert widget == symbol.controls_frame
  
  
  def test_icon_fixed_size(symbol):
      size = 30
      symbol.iconSize = size
      assert symbol.icon.width() == size
      assert symbol.icon.height() == size
  
  
  @pytest.mark.parametrize('rotate', (False, True), ids=('Standard', 'Rotated'))
  def test_icon_rotation(symbol, rotate):
      symbol.rotateIcon = rotate
      assert symbol.icon.rotation == 90 * int(rotate)
  