Inzynierka/Lib/site-packages/pandas/tests/tseries/offsets/test_fiscal.py
2023-06-02 12:51:02 +02:00

653 lines
26 KiB
Python

"""
Tests for Fiscal Year and Fiscal Quarter offset classes
"""
from datetime import datetime
from dateutil.relativedelta import relativedelta
import pytest
from pandas import Timestamp
from pandas.tests.tseries.offsets.common import (
WeekDay,
assert_is_on_offset,
assert_offset_equal,
)
from pandas.tseries.offsets import (
FY5253,
FY5253Quarter,
)
def makeFY5253LastOfMonthQuarter(*args, **kwds):
return FY5253Quarter(*args, variation="last", **kwds)
def makeFY5253NearestEndMonthQuarter(*args, **kwds):
return FY5253Quarter(*args, variation="nearest", **kwds)
def makeFY5253NearestEndMonth(*args, **kwds):
return FY5253(*args, variation="nearest", **kwds)
def makeFY5253LastOfMonth(*args, **kwds):
return FY5253(*args, variation="last", **kwds)
def test_get_offset_name():
assert (
makeFY5253LastOfMonthQuarter(
weekday=1, startingMonth=3, qtr_with_extra_week=4
).freqstr
== "REQ-L-MAR-TUE-4"
)
assert (
makeFY5253NearestEndMonthQuarter(
weekday=1, startingMonth=3, qtr_with_extra_week=3
).freqstr
== "REQ-N-MAR-TUE-3"
)
class TestFY5253LastOfMonth:
offset_lom_sat_aug = makeFY5253LastOfMonth(1, startingMonth=8, weekday=WeekDay.SAT)
offset_lom_sat_sep = makeFY5253LastOfMonth(1, startingMonth=9, weekday=WeekDay.SAT)
on_offset_cases = [
# From Wikipedia (see:
# https://en.wikipedia.org/wiki/4%E2%80%934%E2%80%935_calendar#Last_Saturday_of_the_month_at_fiscal_year_end)
(offset_lom_sat_aug, datetime(2006, 8, 26), True),
(offset_lom_sat_aug, datetime(2007, 8, 25), True),
(offset_lom_sat_aug, datetime(2008, 8, 30), True),
(offset_lom_sat_aug, datetime(2009, 8, 29), True),
(offset_lom_sat_aug, datetime(2010, 8, 28), True),
(offset_lom_sat_aug, datetime(2011, 8, 27), True),
(offset_lom_sat_aug, datetime(2012, 8, 25), True),
(offset_lom_sat_aug, datetime(2013, 8, 31), True),
(offset_lom_sat_aug, datetime(2014, 8, 30), True),
(offset_lom_sat_aug, datetime(2015, 8, 29), True),
(offset_lom_sat_aug, datetime(2016, 8, 27), True),
(offset_lom_sat_aug, datetime(2017, 8, 26), True),
(offset_lom_sat_aug, datetime(2018, 8, 25), True),
(offset_lom_sat_aug, datetime(2019, 8, 31), True),
(offset_lom_sat_aug, datetime(2006, 8, 27), False),
(offset_lom_sat_aug, datetime(2007, 8, 28), False),
(offset_lom_sat_aug, datetime(2008, 8, 31), False),
(offset_lom_sat_aug, datetime(2009, 8, 30), False),
(offset_lom_sat_aug, datetime(2010, 8, 29), False),
(offset_lom_sat_aug, datetime(2011, 8, 28), False),
(offset_lom_sat_aug, datetime(2006, 8, 25), False),
(offset_lom_sat_aug, datetime(2007, 8, 24), False),
(offset_lom_sat_aug, datetime(2008, 8, 29), False),
(offset_lom_sat_aug, datetime(2009, 8, 28), False),
(offset_lom_sat_aug, datetime(2010, 8, 27), False),
(offset_lom_sat_aug, datetime(2011, 8, 26), False),
(offset_lom_sat_aug, datetime(2019, 8, 30), False),
# From GMCR (see for example:
# http://yahoo.brand.edgar-online.com/Default.aspx?
# companyid=3184&formtypeID=7)
(offset_lom_sat_sep, datetime(2010, 9, 25), True),
(offset_lom_sat_sep, datetime(2011, 9, 24), True),
(offset_lom_sat_sep, datetime(2012, 9, 29), True),
]
@pytest.mark.parametrize("case", on_offset_cases)
def test_is_on_offset(self, case):
offset, dt, expected = case
assert_is_on_offset(offset, dt, expected)
def test_apply(self):
offset_lom_aug_sat = makeFY5253LastOfMonth(startingMonth=8, weekday=WeekDay.SAT)
offset_lom_aug_sat_1 = makeFY5253LastOfMonth(
n=1, startingMonth=8, weekday=WeekDay.SAT
)
date_seq_lom_aug_sat = [
datetime(2006, 8, 26),
datetime(2007, 8, 25),
datetime(2008, 8, 30),
datetime(2009, 8, 29),
datetime(2010, 8, 28),
datetime(2011, 8, 27),
datetime(2012, 8, 25),
datetime(2013, 8, 31),
datetime(2014, 8, 30),
datetime(2015, 8, 29),
datetime(2016, 8, 27),
]
tests = [
(offset_lom_aug_sat, date_seq_lom_aug_sat),
(offset_lom_aug_sat_1, date_seq_lom_aug_sat),
(offset_lom_aug_sat, [datetime(2006, 8, 25)] + date_seq_lom_aug_sat),
(offset_lom_aug_sat_1, [datetime(2006, 8, 27)] + date_seq_lom_aug_sat[1:]),
(
makeFY5253LastOfMonth(n=-1, startingMonth=8, weekday=WeekDay.SAT),
list(reversed(date_seq_lom_aug_sat)),
),
]
for test in tests:
offset, data = test
current = data[0]
for datum in data[1:]:
current = current + offset
assert current == datum
class TestFY5253NearestEndMonth:
def test_get_year_end(self):
assert makeFY5253NearestEndMonth(
startingMonth=8, weekday=WeekDay.SAT
).get_year_end(datetime(2013, 1, 1)) == datetime(2013, 8, 31)
assert makeFY5253NearestEndMonth(
startingMonth=8, weekday=WeekDay.SUN
).get_year_end(datetime(2013, 1, 1)) == datetime(2013, 9, 1)
assert makeFY5253NearestEndMonth(
startingMonth=8, weekday=WeekDay.FRI
).get_year_end(datetime(2013, 1, 1)) == datetime(2013, 8, 30)
offset_n = FY5253(weekday=WeekDay.TUE, startingMonth=12, variation="nearest")
assert offset_n.get_year_end(datetime(2012, 1, 1)) == datetime(2013, 1, 1)
assert offset_n.get_year_end(datetime(2012, 1, 10)) == datetime(2013, 1, 1)
assert offset_n.get_year_end(datetime(2013, 1, 1)) == datetime(2013, 12, 31)
assert offset_n.get_year_end(datetime(2013, 1, 2)) == datetime(2013, 12, 31)
assert offset_n.get_year_end(datetime(2013, 1, 3)) == datetime(2013, 12, 31)
assert offset_n.get_year_end(datetime(2013, 1, 10)) == datetime(2013, 12, 31)
JNJ = FY5253(n=1, startingMonth=12, weekday=6, variation="nearest")
assert JNJ.get_year_end(datetime(2006, 1, 1)) == datetime(2006, 12, 31)
offset_lom_aug_sat = makeFY5253NearestEndMonth(
1, startingMonth=8, weekday=WeekDay.SAT
)
offset_lom_aug_thu = makeFY5253NearestEndMonth(
1, startingMonth=8, weekday=WeekDay.THU
)
offset_n = FY5253(weekday=WeekDay.TUE, startingMonth=12, variation="nearest")
on_offset_cases = [
# From Wikipedia (see:
# https://en.wikipedia.org/wiki/4%E2%80%934%E2%80%935_calendar
# #Saturday_nearest_the_end_of_month)
# 2006-09-02 2006 September 2
# 2007-09-01 2007 September 1
# 2008-08-30 2008 August 30 (leap year)
# 2009-08-29 2009 August 29
# 2010-08-28 2010 August 28
# 2011-09-03 2011 September 3
# 2012-09-01 2012 September 1 (leap year)
# 2013-08-31 2013 August 31
# 2014-08-30 2014 August 30
# 2015-08-29 2015 August 29
# 2016-09-03 2016 September 3 (leap year)
# 2017-09-02 2017 September 2
# 2018-09-01 2018 September 1
# 2019-08-31 2019 August 31
(offset_lom_aug_sat, datetime(2006, 9, 2), True),
(offset_lom_aug_sat, datetime(2007, 9, 1), True),
(offset_lom_aug_sat, datetime(2008, 8, 30), True),
(offset_lom_aug_sat, datetime(2009, 8, 29), True),
(offset_lom_aug_sat, datetime(2010, 8, 28), True),
(offset_lom_aug_sat, datetime(2011, 9, 3), True),
(offset_lom_aug_sat, datetime(2016, 9, 3), True),
(offset_lom_aug_sat, datetime(2017, 9, 2), True),
(offset_lom_aug_sat, datetime(2018, 9, 1), True),
(offset_lom_aug_sat, datetime(2019, 8, 31), True),
(offset_lom_aug_sat, datetime(2006, 8, 27), False),
(offset_lom_aug_sat, datetime(2007, 8, 28), False),
(offset_lom_aug_sat, datetime(2008, 8, 31), False),
(offset_lom_aug_sat, datetime(2009, 8, 30), False),
(offset_lom_aug_sat, datetime(2010, 8, 29), False),
(offset_lom_aug_sat, datetime(2011, 8, 28), False),
(offset_lom_aug_sat, datetime(2006, 8, 25), False),
(offset_lom_aug_sat, datetime(2007, 8, 24), False),
(offset_lom_aug_sat, datetime(2008, 8, 29), False),
(offset_lom_aug_sat, datetime(2009, 8, 28), False),
(offset_lom_aug_sat, datetime(2010, 8, 27), False),
(offset_lom_aug_sat, datetime(2011, 8, 26), False),
(offset_lom_aug_sat, datetime(2019, 8, 30), False),
# From Micron, see:
# http://google.brand.edgar-online.com/?sym=MU&formtypeID=7
(offset_lom_aug_thu, datetime(2012, 8, 30), True),
(offset_lom_aug_thu, datetime(2011, 9, 1), True),
(offset_n, datetime(2012, 12, 31), False),
(offset_n, datetime(2013, 1, 1), True),
(offset_n, datetime(2013, 1, 2), False),
]
@pytest.mark.parametrize("case", on_offset_cases)
def test_is_on_offset(self, case):
offset, dt, expected = case
assert_is_on_offset(offset, dt, expected)
def test_apply(self):
date_seq_nem_8_sat = [
datetime(2006, 9, 2),
datetime(2007, 9, 1),
datetime(2008, 8, 30),
datetime(2009, 8, 29),
datetime(2010, 8, 28),
datetime(2011, 9, 3),
]
JNJ = [
datetime(2005, 1, 2),
datetime(2006, 1, 1),
datetime(2006, 12, 31),
datetime(2007, 12, 30),
datetime(2008, 12, 28),
datetime(2010, 1, 3),
datetime(2011, 1, 2),
datetime(2012, 1, 1),
datetime(2012, 12, 30),
]
DEC_SAT = FY5253(n=-1, startingMonth=12, weekday=5, variation="nearest")
tests = [
(
makeFY5253NearestEndMonth(startingMonth=8, weekday=WeekDay.SAT),
date_seq_nem_8_sat,
),
(
makeFY5253NearestEndMonth(n=1, startingMonth=8, weekday=WeekDay.SAT),
date_seq_nem_8_sat,
),
(
makeFY5253NearestEndMonth(startingMonth=8, weekday=WeekDay.SAT),
[datetime(2006, 9, 1)] + date_seq_nem_8_sat,
),
(
makeFY5253NearestEndMonth(n=1, startingMonth=8, weekday=WeekDay.SAT),
[datetime(2006, 9, 3)] + date_seq_nem_8_sat[1:],
),
(
makeFY5253NearestEndMonth(n=-1, startingMonth=8, weekday=WeekDay.SAT),
list(reversed(date_seq_nem_8_sat)),
),
(
makeFY5253NearestEndMonth(n=1, startingMonth=12, weekday=WeekDay.SUN),
JNJ,
),
(
makeFY5253NearestEndMonth(n=-1, startingMonth=12, weekday=WeekDay.SUN),
list(reversed(JNJ)),
),
(
makeFY5253NearestEndMonth(n=1, startingMonth=12, weekday=WeekDay.SUN),
[datetime(2005, 1, 2), datetime(2006, 1, 1)],
),
(
makeFY5253NearestEndMonth(n=1, startingMonth=12, weekday=WeekDay.SUN),
[datetime(2006, 1, 2), datetime(2006, 12, 31)],
),
(DEC_SAT, [datetime(2013, 1, 15), datetime(2012, 12, 29)]),
]
for test in tests:
offset, data = test
current = data[0]
for datum in data[1:]:
current = current + offset
assert current == datum
class TestFY5253LastOfMonthQuarter:
def test_is_anchored(self):
assert makeFY5253LastOfMonthQuarter(
startingMonth=1, weekday=WeekDay.SAT, qtr_with_extra_week=4
).is_anchored()
assert makeFY5253LastOfMonthQuarter(
weekday=WeekDay.SAT, startingMonth=3, qtr_with_extra_week=4
).is_anchored()
assert not makeFY5253LastOfMonthQuarter(
2, startingMonth=1, weekday=WeekDay.SAT, qtr_with_extra_week=4
).is_anchored()
def test_equality(self):
assert makeFY5253LastOfMonthQuarter(
startingMonth=1, weekday=WeekDay.SAT, qtr_with_extra_week=4
) == makeFY5253LastOfMonthQuarter(
startingMonth=1, weekday=WeekDay.SAT, qtr_with_extra_week=4
)
assert makeFY5253LastOfMonthQuarter(
startingMonth=1, weekday=WeekDay.SAT, qtr_with_extra_week=4
) != makeFY5253LastOfMonthQuarter(
startingMonth=1, weekday=WeekDay.SUN, qtr_with_extra_week=4
)
assert makeFY5253LastOfMonthQuarter(
startingMonth=1, weekday=WeekDay.SAT, qtr_with_extra_week=4
) != makeFY5253LastOfMonthQuarter(
startingMonth=2, weekday=WeekDay.SAT, qtr_with_extra_week=4
)
def test_offset(self):
offset = makeFY5253LastOfMonthQuarter(
1, startingMonth=9, weekday=WeekDay.SAT, qtr_with_extra_week=4
)
offset2 = makeFY5253LastOfMonthQuarter(
2, startingMonth=9, weekday=WeekDay.SAT, qtr_with_extra_week=4
)
offset4 = makeFY5253LastOfMonthQuarter(
4, startingMonth=9, weekday=WeekDay.SAT, qtr_with_extra_week=4
)
offset_neg1 = makeFY5253LastOfMonthQuarter(
-1, startingMonth=9, weekday=WeekDay.SAT, qtr_with_extra_week=4
)
offset_neg2 = makeFY5253LastOfMonthQuarter(
-2, startingMonth=9, weekday=WeekDay.SAT, qtr_with_extra_week=4
)
GMCR = [
datetime(2010, 3, 27),
datetime(2010, 6, 26),
datetime(2010, 9, 25),
datetime(2010, 12, 25),
datetime(2011, 3, 26),
datetime(2011, 6, 25),
datetime(2011, 9, 24),
datetime(2011, 12, 24),
datetime(2012, 3, 24),
datetime(2012, 6, 23),
datetime(2012, 9, 29),
datetime(2012, 12, 29),
datetime(2013, 3, 30),
datetime(2013, 6, 29),
]
assert_offset_equal(offset, base=GMCR[0], expected=GMCR[1])
assert_offset_equal(
offset, base=GMCR[0] + relativedelta(days=-1), expected=GMCR[0]
)
assert_offset_equal(offset, base=GMCR[1], expected=GMCR[2])
assert_offset_equal(offset2, base=GMCR[0], expected=GMCR[2])
assert_offset_equal(offset4, base=GMCR[0], expected=GMCR[4])
assert_offset_equal(offset_neg1, base=GMCR[-1], expected=GMCR[-2])
assert_offset_equal(
offset_neg1, base=GMCR[-1] + relativedelta(days=+1), expected=GMCR[-1]
)
assert_offset_equal(offset_neg2, base=GMCR[-1], expected=GMCR[-3])
date = GMCR[0] + relativedelta(days=-1)
for expected in GMCR:
assert_offset_equal(offset, date, expected)
date = date + offset
date = GMCR[-1] + relativedelta(days=+1)
for expected in reversed(GMCR):
assert_offset_equal(offset_neg1, date, expected)
date = date + offset_neg1
lomq_aug_sat_4 = makeFY5253LastOfMonthQuarter(
1, startingMonth=8, weekday=WeekDay.SAT, qtr_with_extra_week=4
)
lomq_sep_sat_4 = makeFY5253LastOfMonthQuarter(
1, startingMonth=9, weekday=WeekDay.SAT, qtr_with_extra_week=4
)
on_offset_cases = [
# From Wikipedia
(lomq_aug_sat_4, datetime(2006, 8, 26), True),
(lomq_aug_sat_4, datetime(2007, 8, 25), True),
(lomq_aug_sat_4, datetime(2008, 8, 30), True),
(lomq_aug_sat_4, datetime(2009, 8, 29), True),
(lomq_aug_sat_4, datetime(2010, 8, 28), True),
(lomq_aug_sat_4, datetime(2011, 8, 27), True),
(lomq_aug_sat_4, datetime(2019, 8, 31), True),
(lomq_aug_sat_4, datetime(2006, 8, 27), False),
(lomq_aug_sat_4, datetime(2007, 8, 28), False),
(lomq_aug_sat_4, datetime(2008, 8, 31), False),
(lomq_aug_sat_4, datetime(2009, 8, 30), False),
(lomq_aug_sat_4, datetime(2010, 8, 29), False),
(lomq_aug_sat_4, datetime(2011, 8, 28), False),
(lomq_aug_sat_4, datetime(2006, 8, 25), False),
(lomq_aug_sat_4, datetime(2007, 8, 24), False),
(lomq_aug_sat_4, datetime(2008, 8, 29), False),
(lomq_aug_sat_4, datetime(2009, 8, 28), False),
(lomq_aug_sat_4, datetime(2010, 8, 27), False),
(lomq_aug_sat_4, datetime(2011, 8, 26), False),
(lomq_aug_sat_4, datetime(2019, 8, 30), False),
# From GMCR
(lomq_sep_sat_4, datetime(2010, 9, 25), True),
(lomq_sep_sat_4, datetime(2011, 9, 24), True),
(lomq_sep_sat_4, datetime(2012, 9, 29), True),
(lomq_sep_sat_4, datetime(2013, 6, 29), True),
(lomq_sep_sat_4, datetime(2012, 6, 23), True),
(lomq_sep_sat_4, datetime(2012, 6, 30), False),
(lomq_sep_sat_4, datetime(2013, 3, 30), True),
(lomq_sep_sat_4, datetime(2012, 3, 24), True),
(lomq_sep_sat_4, datetime(2012, 12, 29), True),
(lomq_sep_sat_4, datetime(2011, 12, 24), True),
# INTC (extra week in Q1)
# See: http://www.intc.com/releasedetail.cfm?ReleaseID=542844
(
makeFY5253LastOfMonthQuarter(
1, startingMonth=12, weekday=WeekDay.SAT, qtr_with_extra_week=1
),
datetime(2011, 4, 2),
True,
),
# see: http://google.brand.edgar-online.com/?sym=INTC&formtypeID=7
(
makeFY5253LastOfMonthQuarter(
1, startingMonth=12, weekday=WeekDay.SAT, qtr_with_extra_week=1
),
datetime(2012, 12, 29),
True,
),
(
makeFY5253LastOfMonthQuarter(
1, startingMonth=12, weekday=WeekDay.SAT, qtr_with_extra_week=1
),
datetime(2011, 12, 31),
True,
),
(
makeFY5253LastOfMonthQuarter(
1, startingMonth=12, weekday=WeekDay.SAT, qtr_with_extra_week=1
),
datetime(2010, 12, 25),
True,
),
]
@pytest.mark.parametrize("case", on_offset_cases)
def test_is_on_offset(self, case):
offset, dt, expected = case
assert_is_on_offset(offset, dt, expected)
def test_year_has_extra_week(self):
# End of long Q1
assert makeFY5253LastOfMonthQuarter(
1, startingMonth=12, weekday=WeekDay.SAT, qtr_with_extra_week=1
).year_has_extra_week(datetime(2011, 4, 2))
# Start of long Q1
assert makeFY5253LastOfMonthQuarter(
1, startingMonth=12, weekday=WeekDay.SAT, qtr_with_extra_week=1
).year_has_extra_week(datetime(2010, 12, 26))
# End of year before year with long Q1
assert not makeFY5253LastOfMonthQuarter(
1, startingMonth=12, weekday=WeekDay.SAT, qtr_with_extra_week=1
).year_has_extra_week(datetime(2010, 12, 25))
for year in [
x for x in range(1994, 2011 + 1) if x not in [2011, 2005, 2000, 1994]
]:
assert not makeFY5253LastOfMonthQuarter(
1, startingMonth=12, weekday=WeekDay.SAT, qtr_with_extra_week=1
).year_has_extra_week(datetime(year, 4, 2))
# Other long years
assert makeFY5253LastOfMonthQuarter(
1, startingMonth=12, weekday=WeekDay.SAT, qtr_with_extra_week=1
).year_has_extra_week(datetime(2005, 4, 2))
assert makeFY5253LastOfMonthQuarter(
1, startingMonth=12, weekday=WeekDay.SAT, qtr_with_extra_week=1
).year_has_extra_week(datetime(2000, 4, 2))
assert makeFY5253LastOfMonthQuarter(
1, startingMonth=12, weekday=WeekDay.SAT, qtr_with_extra_week=1
).year_has_extra_week(datetime(1994, 4, 2))
def test_get_weeks(self):
sat_dec_1 = makeFY5253LastOfMonthQuarter(
1, startingMonth=12, weekday=WeekDay.SAT, qtr_with_extra_week=1
)
sat_dec_4 = makeFY5253LastOfMonthQuarter(
1, startingMonth=12, weekday=WeekDay.SAT, qtr_with_extra_week=4
)
assert sat_dec_1.get_weeks(datetime(2011, 4, 2)) == [14, 13, 13, 13]
assert sat_dec_4.get_weeks(datetime(2011, 4, 2)) == [13, 13, 13, 14]
assert sat_dec_1.get_weeks(datetime(2010, 12, 25)) == [13, 13, 13, 13]
class TestFY5253NearestEndMonthQuarter:
offset_nem_sat_aug_4 = makeFY5253NearestEndMonthQuarter(
1, startingMonth=8, weekday=WeekDay.SAT, qtr_with_extra_week=4
)
offset_nem_thu_aug_4 = makeFY5253NearestEndMonthQuarter(
1, startingMonth=8, weekday=WeekDay.THU, qtr_with_extra_week=4
)
offset_n = FY5253(weekday=WeekDay.TUE, startingMonth=12, variation="nearest")
on_offset_cases = [
# From Wikipedia
(offset_nem_sat_aug_4, datetime(2006, 9, 2), True),
(offset_nem_sat_aug_4, datetime(2007, 9, 1), True),
(offset_nem_sat_aug_4, datetime(2008, 8, 30), True),
(offset_nem_sat_aug_4, datetime(2009, 8, 29), True),
(offset_nem_sat_aug_4, datetime(2010, 8, 28), True),
(offset_nem_sat_aug_4, datetime(2011, 9, 3), True),
(offset_nem_sat_aug_4, datetime(2016, 9, 3), True),
(offset_nem_sat_aug_4, datetime(2017, 9, 2), True),
(offset_nem_sat_aug_4, datetime(2018, 9, 1), True),
(offset_nem_sat_aug_4, datetime(2019, 8, 31), True),
(offset_nem_sat_aug_4, datetime(2006, 8, 27), False),
(offset_nem_sat_aug_4, datetime(2007, 8, 28), False),
(offset_nem_sat_aug_4, datetime(2008, 8, 31), False),
(offset_nem_sat_aug_4, datetime(2009, 8, 30), False),
(offset_nem_sat_aug_4, datetime(2010, 8, 29), False),
(offset_nem_sat_aug_4, datetime(2011, 8, 28), False),
(offset_nem_sat_aug_4, datetime(2006, 8, 25), False),
(offset_nem_sat_aug_4, datetime(2007, 8, 24), False),
(offset_nem_sat_aug_4, datetime(2008, 8, 29), False),
(offset_nem_sat_aug_4, datetime(2009, 8, 28), False),
(offset_nem_sat_aug_4, datetime(2010, 8, 27), False),
(offset_nem_sat_aug_4, datetime(2011, 8, 26), False),
(offset_nem_sat_aug_4, datetime(2019, 8, 30), False),
# From Micron, see:
# http://google.brand.edgar-online.com/?sym=MU&formtypeID=7
(offset_nem_thu_aug_4, datetime(2012, 8, 30), True),
(offset_nem_thu_aug_4, datetime(2011, 9, 1), True),
# See: http://google.brand.edgar-online.com/?sym=MU&formtypeID=13
(offset_nem_thu_aug_4, datetime(2013, 5, 30), True),
(offset_nem_thu_aug_4, datetime(2013, 2, 28), True),
(offset_nem_thu_aug_4, datetime(2012, 11, 29), True),
(offset_nem_thu_aug_4, datetime(2012, 5, 31), True),
(offset_nem_thu_aug_4, datetime(2007, 3, 1), True),
(offset_nem_thu_aug_4, datetime(1994, 3, 3), True),
(offset_n, datetime(2012, 12, 31), False),
(offset_n, datetime(2013, 1, 1), True),
(offset_n, datetime(2013, 1, 2), False),
]
@pytest.mark.parametrize("case", on_offset_cases)
def test_is_on_offset(self, case):
offset, dt, expected = case
assert_is_on_offset(offset, dt, expected)
def test_offset(self):
offset = makeFY5253NearestEndMonthQuarter(
1, startingMonth=8, weekday=WeekDay.THU, qtr_with_extra_week=4
)
MU = [
datetime(2012, 5, 31),
datetime(2012, 8, 30),
datetime(2012, 11, 29),
datetime(2013, 2, 28),
datetime(2013, 5, 30),
]
date = MU[0] + relativedelta(days=-1)
for expected in MU:
assert_offset_equal(offset, date, expected)
date = date + offset
assert_offset_equal(offset, datetime(2012, 5, 31), datetime(2012, 8, 30))
assert_offset_equal(offset, datetime(2012, 5, 30), datetime(2012, 5, 31))
offset2 = FY5253Quarter(
weekday=5, startingMonth=12, variation="last", qtr_with_extra_week=4
)
assert_offset_equal(offset2, datetime(2013, 1, 15), datetime(2013, 3, 30))
def test_bunched_yearends():
# GH#14774 cases with two fiscal year-ends in the same calendar-year
fy = FY5253(n=1, weekday=5, startingMonth=12, variation="nearest")
dt = Timestamp("2004-01-01")
assert fy.rollback(dt) == Timestamp("2002-12-28")
assert (-fy)._apply(dt) == Timestamp("2002-12-28")
assert dt - fy == Timestamp("2002-12-28")
assert fy.rollforward(dt) == Timestamp("2004-01-03")
assert fy._apply(dt) == Timestamp("2004-01-03")
assert fy + dt == Timestamp("2004-01-03")
assert dt + fy == Timestamp("2004-01-03")
# Same thing, but starting from a Timestamp in the previous year.
dt = Timestamp("2003-12-31")
assert fy.rollback(dt) == Timestamp("2002-12-28")
assert (-fy)._apply(dt) == Timestamp("2002-12-28")
assert dt - fy == Timestamp("2002-12-28")
def test_fy5253_last_onoffset():
# GH#18877 dates on the year-end but not normalized to midnight
offset = FY5253(n=-5, startingMonth=5, variation="last", weekday=0)
ts = Timestamp("1984-05-28 06:29:43.955911354+0200", tz="Europe/San_Marino")
fast = offset.is_on_offset(ts)
slow = (ts + offset) - offset == ts
assert fast == slow
def test_fy5253_nearest_onoffset():
# GH#18877 dates on the year-end but not normalized to midnight
offset = FY5253(n=3, startingMonth=7, variation="nearest", weekday=2)
ts = Timestamp("2032-07-28 00:12:59.035729419+0000", tz="Africa/Dakar")
fast = offset.is_on_offset(ts)
slow = (ts + offset) - offset == ts
assert fast == slow
def test_fy5253qtr_onoffset_nearest():
# GH#19036
ts = Timestamp("1985-09-02 23:57:46.232550356-0300", tz="Atlantic/Bermuda")
offset = FY5253Quarter(
n=3, qtr_with_extra_week=1, startingMonth=2, variation="nearest", weekday=0
)
fast = offset.is_on_offset(ts)
slow = (ts + offset) - offset == ts
assert fast == slow
def test_fy5253qtr_onoffset_last():
# GH#19036
offset = FY5253Quarter(
n=-2, qtr_with_extra_week=1, startingMonth=7, variation="last", weekday=2
)
ts = Timestamp("2011-01-26 19:03:40.331096129+0200", tz="Africa/Windhoek")
slow = (ts + offset) - offset == ts
fast = offset.is_on_offset(ts)
assert fast == slow