def testExceptionHandling( self ) : # Compute for `n["p"]` will error because it's an output plug # that ComputeNode knows nothing about. n = Gaffer.ComputeNode() n["p"] = Gaffer.StringPlug( direction = Gaffer.Plug.Direction.Out ) # We want that to be reflected in the UI. w = GafferUI.StringPlugValueWidget( n["p"] ) self.assertEqual( w.textWidget().getText(), "" ) self.assertTrue( w.textWidget().getErrored() ) # And we don't want the widget to live beyond its natural life # due to reference cycles introduced by exception handling. w = weakref.ref( w ) self.assertIsNone( w() )
