<s> from . base import BasePublisher <EOL> from . base import BaseSubscriber <EOL> from . base import BaseBackend <EOL> __all__ = ( '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' ) <EOL> class TestPublisher ( BasePublisher ) : <EOL> def connect ( self ) : <EOL> pass <EOL> def publish ( self , * args , ** kwargs ) : <EOL> pass <EOL> class TestSubscriber ( BaseSubscriber ) : <EOL> def connect ( self ) : <EOL> pass <EOL> class TestBackend ( BaseBackend ) : <EOL> """<STR_LIT>""" <EOL> name = "<STR_LIT>" <EOL> publisher_class = TestPublisher <EOL> subscriber_class = TestSubscriber </s>
