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from pandas import (
DataFrame,
DatetimeIndex,
date_range,
)
import pandas._testing as tm
def test_isocalendar_returns_correct_values_close_to_new_year_with_tz():
# GH#6538: Check that DatetimeIndex and its TimeStamp elements
# return the same weekofyear accessor close to new year w/ tz
dates = ["2013/12/29", "2013/12/30", "2013/12/31"]
dates = DatetimeIndex(dates, tz="Europe/Brussels")
result = dates.isocalendar()
expected_data_frame = DataFrame(
[[2013, 52, 7], [2014, 1, 1], [2014, 1, 2]],
columns=["year", "week", "day"],
index=dates,
dtype="UInt32",
)
tm.assert_frame_equal(result, expected_data_frame)
def test_dti_timestamp_isocalendar_fields():
idx = date_range("2020-01-01", periods=10)
expected = tuple(idx.isocalendar().iloc[-1].to_list())
result = idx[-1].isocalendar()
assert result == expected