def test_with_timedelta_index_as_input(self, timedelta_index_series):
     time_series_preparation = TimeSeriesPreparation()
     computed_time_series = time_series_preparation._to_period_index_time_series(
         timedelta_index_series)
     expected_time_series = timedelta_index_series_to_period_index_series(
         timedelta_index_series)
     assert_series_equal(computed_time_series, expected_time_series)
 def test_with_period_index_as_input(self, period_index_series):
     time_series_preparation = TimeSeriesPreparation()
     computed_time_series = time_series_preparation._to_period_index_time_series(
         period_index_series)
     assert_series_equal(computed_time_series, period_index_series)