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266 lines
8.6 KiB
266 lines
8.6 KiB
from datetime import datetime
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import pytest
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from pytz import utc
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import pandas._testing as tm
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from pandas.tseries.holiday import (
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MO,
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SA,
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AbstractHolidayCalendar,
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DateOffset,
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EasterMonday,
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GoodFriday,
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Holiday,
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HolidayCalendarFactory,
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Timestamp,
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USColumbusDay,
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USLaborDay,
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USMartinLutherKingJr,
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USMemorialDay,
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USPresidentsDay,
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USThanksgivingDay,
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get_calendar,
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next_monday,
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)
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@pytest.mark.parametrize(
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"holiday,start_date,end_date,expected",
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[
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(
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USMemorialDay,
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datetime(2011, 1, 1),
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datetime(2020, 12, 31),
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[
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datetime(2011, 5, 30),
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datetime(2012, 5, 28),
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datetime(2013, 5, 27),
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datetime(2014, 5, 26),
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datetime(2015, 5, 25),
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datetime(2016, 5, 30),
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datetime(2017, 5, 29),
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datetime(2018, 5, 28),
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datetime(2019, 5, 27),
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datetime(2020, 5, 25),
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],
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),
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(
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Holiday("July 4th Eve", month=7, day=3),
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"2001-01-01",
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"2003-03-03",
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[Timestamp("2001-07-03 00:00:00"), Timestamp("2002-07-03 00:00:00")],
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),
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(
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Holiday("July 4th Eve", month=7, day=3, days_of_week=(0, 1, 2, 3)),
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"2001-01-01",
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"2008-03-03",
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[
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Timestamp("2001-07-03 00:00:00"),
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Timestamp("2002-07-03 00:00:00"),
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Timestamp("2003-07-03 00:00:00"),
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Timestamp("2006-07-03 00:00:00"),
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Timestamp("2007-07-03 00:00:00"),
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],
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),
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(
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EasterMonday,
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datetime(2011, 1, 1),
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datetime(2020, 12, 31),
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[
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Timestamp("2011-04-25 00:00:00"),
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Timestamp("2012-04-09 00:00:00"),
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Timestamp("2013-04-01 00:00:00"),
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Timestamp("2014-04-21 00:00:00"),
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Timestamp("2015-04-06 00:00:00"),
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Timestamp("2016-03-28 00:00:00"),
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Timestamp("2017-04-17 00:00:00"),
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Timestamp("2018-04-02 00:00:00"),
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Timestamp("2019-04-22 00:00:00"),
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Timestamp("2020-04-13 00:00:00"),
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],
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),
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(
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GoodFriday,
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datetime(2011, 1, 1),
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datetime(2020, 12, 31),
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[
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Timestamp("2011-04-22 00:00:00"),
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Timestamp("2012-04-06 00:00:00"),
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Timestamp("2013-03-29 00:00:00"),
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Timestamp("2014-04-18 00:00:00"),
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Timestamp("2015-04-03 00:00:00"),
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Timestamp("2016-03-25 00:00:00"),
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Timestamp("2017-04-14 00:00:00"),
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Timestamp("2018-03-30 00:00:00"),
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Timestamp("2019-04-19 00:00:00"),
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Timestamp("2020-04-10 00:00:00"),
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],
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),
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(
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USThanksgivingDay,
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datetime(2011, 1, 1),
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datetime(2020, 12, 31),
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[
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datetime(2011, 11, 24),
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datetime(2012, 11, 22),
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datetime(2013, 11, 28),
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datetime(2014, 11, 27),
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datetime(2015, 11, 26),
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datetime(2016, 11, 24),
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datetime(2017, 11, 23),
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datetime(2018, 11, 22),
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datetime(2019, 11, 28),
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datetime(2020, 11, 26),
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],
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),
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],
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)
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def test_holiday_dates(holiday, start_date, end_date, expected):
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assert list(holiday.dates(start_date, end_date)) == expected
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# Verify that timezone info is preserved.
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assert list(
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holiday.dates(
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utc.localize(Timestamp(start_date)), utc.localize(Timestamp(end_date))
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)
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) == [utc.localize(dt) for dt in expected]
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@pytest.mark.parametrize(
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"holiday,start,expected",
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[
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(USMemorialDay, datetime(2015, 7, 1), []),
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(USMemorialDay, "2015-05-25", [Timestamp("2015-05-25")]),
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(USLaborDay, datetime(2015, 7, 1), []),
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(USLaborDay, "2015-09-07", [Timestamp("2015-09-07")]),
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(USColumbusDay, datetime(2015, 7, 1), []),
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(USColumbusDay, "2015-10-12", [Timestamp("2015-10-12")]),
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(USThanksgivingDay, datetime(2015, 7, 1), []),
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(USThanksgivingDay, "2015-11-26", [Timestamp("2015-11-26")]),
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(USMartinLutherKingJr, datetime(2015, 7, 1), []),
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(USMartinLutherKingJr, "2015-01-19", [Timestamp("2015-01-19")]),
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(USPresidentsDay, datetime(2015, 7, 1), []),
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(USPresidentsDay, "2015-02-16", [Timestamp("2015-02-16")]),
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(GoodFriday, datetime(2015, 7, 1), []),
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(GoodFriday, "2015-04-03", [Timestamp("2015-04-03")]),
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(EasterMonday, "2015-04-06", [Timestamp("2015-04-06")]),
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(EasterMonday, datetime(2015, 7, 1), []),
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(EasterMonday, "2015-04-05", []),
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("New Year's Day", "2015-01-01", [Timestamp("2015-01-01")]),
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("New Year's Day", "2010-12-31", [Timestamp("2010-12-31")]),
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("New Year's Day", datetime(2015, 7, 1), []),
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("New Year's Day", "2011-01-01", []),
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("Independence Day", "2015-07-03", [Timestamp("2015-07-03")]),
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("Independence Day", datetime(2015, 7, 1), []),
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("Independence Day", "2015-07-04", []),
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("Veterans Day", "2012-11-12", [Timestamp("2012-11-12")]),
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("Veterans Day", datetime(2015, 7, 1), []),
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("Veterans Day", "2012-11-11", []),
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("Christmas Day", "2011-12-26", [Timestamp("2011-12-26")]),
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("Christmas Day", datetime(2015, 7, 1), []),
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("Christmas Day", "2011-12-25", []),
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("Juneteenth National Independence Day", "2020-06-19", []),
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(
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"Juneteenth National Independence Day",
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"2021-06-18",
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[Timestamp("2021-06-18")],
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),
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("Juneteenth National Independence Day", "2022-06-19", []),
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(
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"Juneteenth National Independence Day",
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"2022-06-20",
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[Timestamp("2022-06-20")],
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),
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],
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)
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def test_holidays_within_dates(holiday, start, expected):
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# see gh-11477
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#
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# Fix holiday behavior where holiday.dates returned dates outside
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# start/end date, or observed rules could not be applied because the
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# holiday was not in the original date range (e.g., 7/4/2015 -> 7/3/2015).
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if isinstance(holiday, str):
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calendar = get_calendar("USFederalHolidayCalendar")
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holiday = calendar.rule_from_name(holiday)
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assert list(holiday.dates(start, start)) == expected
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# Verify that timezone info is preserved.
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assert list(
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holiday.dates(utc.localize(Timestamp(start)), utc.localize(Timestamp(start)))
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) == [utc.localize(dt) for dt in expected]
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@pytest.mark.parametrize(
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"transform", [lambda x: x.strftime("%Y-%m-%d"), lambda x: Timestamp(x)]
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)
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def test_argument_types(transform):
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start_date = datetime(2011, 1, 1)
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end_date = datetime(2020, 12, 31)
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holidays = USThanksgivingDay.dates(start_date, end_date)
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holidays2 = USThanksgivingDay.dates(transform(start_date), transform(end_date))
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tm.assert_index_equal(holidays, holidays2)
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@pytest.mark.parametrize(
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"name,kwargs",
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[
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("One-Time", {"year": 2012, "month": 5, "day": 28}),
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(
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"Range",
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{
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"month": 5,
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"day": 28,
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"start_date": datetime(2012, 1, 1),
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"end_date": datetime(2012, 12, 31),
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"offset": DateOffset(weekday=MO(1)),
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},
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),
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],
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)
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def test_special_holidays(name, kwargs):
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base_date = [datetime(2012, 5, 28)]
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holiday = Holiday(name, **kwargs)
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start_date = datetime(2011, 1, 1)
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end_date = datetime(2020, 12, 31)
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assert base_date == holiday.dates(start_date, end_date)
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def test_get_calendar():
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class TestCalendar(AbstractHolidayCalendar):
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rules = []
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calendar = get_calendar("TestCalendar")
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assert TestCalendar == type(calendar)
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def test_factory():
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class_1 = HolidayCalendarFactory(
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"MemorialDay", AbstractHolidayCalendar, USMemorialDay
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)
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class_2 = HolidayCalendarFactory(
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"Thanksgiving", AbstractHolidayCalendar, USThanksgivingDay
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)
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class_3 = HolidayCalendarFactory("Combined", class_1, class_2)
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assert len(class_1.rules) == 1
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assert len(class_2.rules) == 1
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assert len(class_3.rules) == 2
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def test_both_offset_observance_raises():
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# see gh-10217
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msg = "Cannot use both offset and observance"
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with pytest.raises(NotImplementedError, match=msg):
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Holiday(
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"Cyber Monday",
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month=11,
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day=1,
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offset=[DateOffset(weekday=SA(4))],
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observance=next_monday,
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)
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