import numpy as np import pytest from pandas import ( Series, bdate_range, date_range, period_range, ) import pandas._testing as tm class TestBetween: def test_between(self): series = Series(date_range("1/1/2000", periods=10)) left, right = series[[2, 7]] result = series.between(left, right) expected = (series >= left) & (series <= right) tm.assert_series_equal(result, expected) def test_between_datetime_object_dtype(self): ser = Series(bdate_range("1/1/2000", periods=20), dtype=object) ser[::2] = np.nan result = ser[ser.between(ser[3], ser[17])] expected = ser[3:18].dropna() tm.assert_series_equal(result, expected) result = ser[ser.between(ser[3], ser[17], inclusive="neither")] expected = ser[5:16].dropna() tm.assert_series_equal(result, expected) def test_between_period_values(self): ser = Series(period_range("2000-01-01", periods=10, freq="D")) left, right = ser[[2, 7]] result = ser.between(left, right) expected = (ser >= left) & (ser <= right) tm.assert_series_equal(result, expected) def test_between_inclusive_string(self): # GH 40628 series = Series(date_range("1/1/2000", periods=10)) left, right = series[[2, 7]] result = series.between(left, right, inclusive="both") expected = (series >= left) & (series <= right) tm.assert_series_equal(result, expected) result = series.between(left, right, inclusive="left") expected = (series >= left) & (series < right) tm.assert_series_equal(result, expected) result = series.between(left, right, inclusive="right") expected = (series > left) & (series <= right) tm.assert_series_equal(result, expected) result = series.between(left, right, inclusive="neither") expected = (series > left) & (series < right) tm.assert_series_equal(result, expected) @pytest.mark.parametrize("inclusive", ["yes", True, False]) def test_between_error_args(self, inclusive): # GH 40628 series = Series(date_range("1/1/2000", periods=10)) left, right = series[[2, 7]] value_error_msg = ( "Inclusive has to be either string of 'both'," "'left', 'right', or 'neither'." ) with pytest.raises(ValueError, match=value_error_msg): series = Series(date_range("1/1/2000", periods=10)) series.between(left, right, inclusive=inclusive)