#NEWLINE# def test_nonexistent_extra_warns_user_with_wheel( script , data ) : #NEWLINE# #INDENT# '\n    A warning is logged telling the user that the extra option they requested\n    does not exist in the project they are wishing to install.\n\n    This exercises wheel installs.\n    ' #NEWLINE# result = script . pip ( 'install' , '--no-index' , ( '--find-links=' + script . find_links ) , 'simplewheel[nonexistent]' , expect_stderr = True ) #NEWLINE# assert ( "simplewheel 2.0 does not provide the extra 'nonexistent'" in result . stderr )