code: def test_rank_inf_nans_na_option(
      self, frame_or_series, rank_method, na_option, ascending, expected
  ):
      obj = frame_or_series([np.inf, np.nan, -np.inf])
      result = obj.rank(
          method=rank_method, na_option=na_option, ascending=ascending
      )
      expected = frame_or_series(expected)
      tm.assert_equal(result, expected)
  
imports: from datetime import datetime, timedelta
  import numpy
  import pytest
  from pandas._libs.algos import Infinity, NegInfinity
  from pandas import DataFrame, Index, Series
  import pandas._testing
label_desc: Use image node_id 15 for calling the TestRank obj's underlying member method code with example usage: obj.test_rank_inf_nans_na_option(frame_or_series, rank_method, na_option, ascending, expected) without return types