""" Tests for Fiscal Year and Fiscal Quarter offset classes """ from datetime import datetime from dateutil.relativedelta import relativedelta import pytest from pandas import Timestamp import pandas._testing as tm 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): msg = "FY5253Quarter.is_anchored is deprecated " with tm.assert_produces_warning(FutureWarning, match=msg): 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