#NEWLINE# def test_fetch_with_a_single_result( self ) : #NEWLINE# #INDENT# flow = lf . Flow ( 'flow' ) #NEWLINE# flow . add ( utils . TaskOneReturn ( provides = 'x' ) ) #NEWLINE# engine = self . _make_engine ( flow ) #NEWLINE# engine . run ( ) #NEWLINE# result = engine . storage . fetch ( 'x' ) #NEWLINE# self . assertEqual ( 1 , result )