#NEWLINE# def test_run_empty_linear_flow( self ) : #NEWLINE# #INDENT# flow = lf . Flow ( 'flow-1' , utils . OneReturnRetry ( provides = 'x' ) ) #NEWLINE# engine = self . _make_engine ( flow ) #NEWLINE# engine . run ( ) #NEWLINE# self . assertEqual ( { #NEWLINE# #INDENT# 'x' : 1 , #NEWLINE# #UNINDENT# } , engine . storage . fetch_all ( ) )