laywerrobot/lib/python3.6/site-packages/pandas/tests/indexes/datetimes/test_missing.py
2020-08-27 21:55:39 +02:00

52 lines
2 KiB
Python

import pytest
import pandas as pd
import pandas.util.testing as tm
class TestDatetimeIndex(object):
@pytest.mark.parametrize('tz', ['US/Eastern', 'Asia/Tokyo'])
def test_fillna_datetime64(self, tz):
# GH 11343
idx = pd.DatetimeIndex(['2011-01-01 09:00', pd.NaT,
'2011-01-01 11:00'])
exp = pd.DatetimeIndex(['2011-01-01 09:00', '2011-01-01 10:00',
'2011-01-01 11:00'])
tm.assert_index_equal(
idx.fillna(pd.Timestamp('2011-01-01 10:00')), exp)
# tz mismatch
exp = pd.Index([pd.Timestamp('2011-01-01 09:00'),
pd.Timestamp('2011-01-01 10:00', tz=tz),
pd.Timestamp('2011-01-01 11:00')], dtype=object)
tm.assert_index_equal(
idx.fillna(pd.Timestamp('2011-01-01 10:00', tz=tz)), exp)
# object
exp = pd.Index([pd.Timestamp('2011-01-01 09:00'), 'x',
pd.Timestamp('2011-01-01 11:00')], dtype=object)
tm.assert_index_equal(idx.fillna('x'), exp)
idx = pd.DatetimeIndex(['2011-01-01 09:00', pd.NaT,
'2011-01-01 11:00'], tz=tz)
exp = pd.DatetimeIndex(['2011-01-01 09:00', '2011-01-01 10:00',
'2011-01-01 11:00'], tz=tz)
tm.assert_index_equal(
idx.fillna(pd.Timestamp('2011-01-01 10:00', tz=tz)), exp)
exp = pd.Index([pd.Timestamp('2011-01-01 09:00', tz=tz),
pd.Timestamp('2011-01-01 10:00'),
pd.Timestamp('2011-01-01 11:00', tz=tz)],
dtype=object)
tm.assert_index_equal(
idx.fillna(pd.Timestamp('2011-01-01 10:00')), exp)
# object
exp = pd.Index([pd.Timestamp('2011-01-01 09:00', tz=tz),
'x',
pd.Timestamp('2011-01-01 11:00', tz=tz)],
dtype=object)
tm.assert_index_equal(idx.fillna('x'), exp)