projektAI/venv/Lib/site-packages/pandas/tests/series/methods/test_tz_convert.py
2021-06-06 22:13:05 +02:00

30 lines
1008 B
Python

import numpy as np
import pytest
from pandas import DatetimeIndex, Series, date_range
import pandas._testing as tm
class TestTZConvert:
def test_series_tz_convert(self):
rng = date_range("1/1/2011", periods=200, freq="D", tz="US/Eastern")
ts = Series(1, index=rng)
result = ts.tz_convert("Europe/Berlin")
assert result.index.tz.zone == "Europe/Berlin"
# can't convert tz-naive
rng = date_range("1/1/2011", periods=200, freq="D")
ts = Series(1, index=rng)
with pytest.raises(TypeError, match="Cannot convert tz-naive"):
ts.tz_convert("US/Eastern")
def test_series_tz_convert_to_utc(self):
base = DatetimeIndex(["2011-01-01", "2011-01-02", "2011-01-03"], tz="UTC")
idx1 = base.tz_convert("Asia/Tokyo")[:2]
idx2 = base.tz_convert("US/Eastern")[1:]
res = Series([1, 2], index=idx1) + Series([1, 1], index=idx2)
tm.assert_series_equal(res, Series([np.nan, 3, np.nan], index=base))