def test_missing_input(tmpdir):
 with tmpdir.as_cwd():
  for cmd in ['create', 'wait', 'describe', 'delete', 'pytest']:
   with pytest.raises(FileNotFoundError):
    main([cmd])

def test_missing_input ( tmpdir ) : with tmpdir . as_cwd ( ) : for cmd in [ 'create' , 'wait' , 'describe' , 'delete' , 'pytest' ] : with pytest . raises ( FileNotFoundError ) : main ( [ cmd ] )
no files are provided so any operation should fail .