String name = a[0].trim();
String leftInput = a[1].trim();
ObjectSource objectSource = (ObjectSource) context.get( leftInput );
ObjectSink mockedSink = Mockito.mock( ObjectSink.class,
Mockito.withSettings().extraInterfaces( DSLMock.class ) );
objectSource.addObjectSink( mockedSink );
context.put( name,