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bazarr/libs/dateutil/test/test_relativedelta.py

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# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from ._common import unittest, WarningTestMixin, NotAValue
import calendar
from datetime import datetime, date, timedelta
from dateutil.relativedelta import *
class RelativeDeltaTest(WarningTestMixin, unittest.TestCase):
now = datetime(2003, 9, 17, 20, 54, 47, 282310)
today = date(2003, 9, 17)
def testInheritance(self):
# Ensure that relativedelta is inheritance-friendly.
class rdChildClass(relativedelta):
pass
ccRD = rdChildClass(years=1, months=1, days=1, leapdays=1, weeks=1,
hours=1, minutes=1, seconds=1, microseconds=1)
rd = relativedelta(years=1, months=1, days=1, leapdays=1, weeks=1,
hours=1, minutes=1, seconds=1, microseconds=1)
self.assertEqual(type(ccRD + rd), type(ccRD),
msg='Addition does not inherit type.')
self.assertEqual(type(ccRD - rd), type(ccRD),
msg='Subtraction does not inherit type.')
self.assertEqual(type(-ccRD), type(ccRD),
msg='Negation does not inherit type.')
self.assertEqual(type(ccRD * 5.0), type(ccRD),
msg='Multiplication does not inherit type.')
self.assertEqual(type(ccRD / 5.0), type(ccRD),
msg='Division does not inherit type.')
def testMonthEndMonthBeginning(self):
self.assertEqual(relativedelta(datetime(2003, 1, 31, 23, 59, 59),
datetime(2003, 3, 1, 0, 0, 0)),
relativedelta(months=-1, seconds=-1))
self.assertEqual(relativedelta(datetime(2003, 3, 1, 0, 0, 0),
datetime(2003, 1, 31, 23, 59, 59)),
relativedelta(months=1, seconds=1))
def testMonthEndMonthBeginningLeapYear(self):
self.assertEqual(relativedelta(datetime(2012, 1, 31, 23, 59, 59),
datetime(2012, 3, 1, 0, 0, 0)),
relativedelta(months=-1, seconds=-1))
self.assertEqual(relativedelta(datetime(2003, 3, 1, 0, 0, 0),
datetime(2003, 1, 31, 23, 59, 59)),
relativedelta(months=1, seconds=1))
def testNextMonth(self):
self.assertEqual(self.now+relativedelta(months=+1),
datetime(2003, 10, 17, 20, 54, 47, 282310))
def testNextMonthPlusOneWeek(self):
self.assertEqual(self.now+relativedelta(months=+1, weeks=+1),
datetime(2003, 10, 24, 20, 54, 47, 282310))
def testNextMonthPlusOneWeek10am(self):
self.assertEqual(self.today +
relativedelta(months=+1, weeks=+1, hour=10),
datetime(2003, 10, 24, 10, 0))
def testNextMonthPlusOneWeek10amDiff(self):
self.assertEqual(relativedelta(datetime(2003, 10, 24, 10, 0),
self.today),
relativedelta(months=+1, days=+7, hours=+10))
def testOneMonthBeforeOneYear(self):
self.assertEqual(self.now+relativedelta(years=+1, months=-1),
datetime(2004, 8, 17, 20, 54, 47, 282310))
def testMonthsOfDiffNumOfDays(self):
self.assertEqual(date(2003, 1, 27)+relativedelta(months=+1),
date(2003, 2, 27))
self.assertEqual(date(2003, 1, 31)+relativedelta(months=+1),
date(2003, 2, 28))
self.assertEqual(date(2003, 1, 31)+relativedelta(months=+2),
date(2003, 3, 31))
def testMonthsOfDiffNumOfDaysWithYears(self):
self.assertEqual(date(2000, 2, 28)+relativedelta(years=+1),
date(2001, 2, 28))
self.assertEqual(date(2000, 2, 29)+relativedelta(years=+1),
date(2001, 2, 28))
self.assertEqual(date(1999, 2, 28)+relativedelta(years=+1),
date(2000, 2, 28))
self.assertEqual(date(1999, 3, 1)+relativedelta(years=+1),
date(2000, 3, 1))
self.assertEqual(date(1999, 3, 1)+relativedelta(years=+1),
date(2000, 3, 1))
self.assertEqual(date(2001, 2, 28)+relativedelta(years=-1),
date(2000, 2, 28))
self.assertEqual(date(2001, 3, 1)+relativedelta(years=-1),
date(2000, 3, 1))
def testNextFriday(self):
self.assertEqual(self.today+relativedelta(weekday=FR),
date(2003, 9, 19))
def testNextFridayInt(self):
self.assertEqual(self.today+relativedelta(weekday=calendar.FRIDAY),
date(2003, 9, 19))
def testLastFridayInThisMonth(self):
self.assertEqual(self.today+relativedelta(day=31, weekday=FR(-1)),
date(2003, 9, 26))
def testNextWednesdayIsToday(self):
self.assertEqual(self.today+relativedelta(weekday=WE),
date(2003, 9, 17))
def testNextWenesdayNotToday(self):
self.assertEqual(self.today+relativedelta(days=+1, weekday=WE),
date(2003, 9, 24))
def test15thISOYearWeek(self):
self.assertEqual(date(2003, 1, 1) +
relativedelta(day=4, weeks=+14, weekday=MO(-1)),
date(2003, 4, 7))
def testMillenniumAge(self):
self.assertEqual(relativedelta(self.now, date(2001, 1, 1)),
relativedelta(years=+2, months=+8, days=+16,
hours=+20, minutes=+54, seconds=+47,
microseconds=+282310))
def testJohnAge(self):
self.assertEqual(relativedelta(self.now,
datetime(1978, 4, 5, 12, 0)),
relativedelta(years=+25, months=+5, days=+12,
hours=+8, minutes=+54, seconds=+47,
microseconds=+282310))
def testJohnAgeWithDate(self):
self.assertEqual(relativedelta(self.today,
datetime(1978, 4, 5, 12, 0)),
relativedelta(years=+25, months=+5, days=+11,
hours=+12))
def testYearDay(self):
self.assertEqual(date(2003, 1, 1)+relativedelta(yearday=260),
date(2003, 9, 17))
self.assertEqual(date(2002, 1, 1)+relativedelta(yearday=260),
date(2002, 9, 17))
self.assertEqual(date(2000, 1, 1)+relativedelta(yearday=260),
date(2000, 9, 16))
self.assertEqual(self.today+relativedelta(yearday=261),
date(2003, 9, 18))
def testYearDayBug(self):
# Tests a problem reported by Adam Ryan.
self.assertEqual(date(2010, 1, 1)+relativedelta(yearday=15),
date(2010, 1, 15))
def testNonLeapYearDay(self):
self.assertEqual(date(2003, 1, 1)+relativedelta(nlyearday=260),
date(2003, 9, 17))
self.assertEqual(date(2002, 1, 1)+relativedelta(nlyearday=260),
date(2002, 9, 17))
self.assertEqual(date(2000, 1, 1)+relativedelta(nlyearday=260),
date(2000, 9, 17))
self.assertEqual(self.today+relativedelta(yearday=261),
date(2003, 9, 18))
def testAddition(self):
self.assertEqual(relativedelta(days=10) +
relativedelta(years=1, months=2, days=3, hours=4,
minutes=5, microseconds=6),
relativedelta(years=1, months=2, days=13, hours=4,
minutes=5, microseconds=6))
def testAdditionToDatetime(self):
self.assertEqual(datetime(2000, 1, 1) + relativedelta(days=1),
datetime(2000, 1, 2))
def testRightAdditionToDatetime(self):
self.assertEqual(relativedelta(days=1) + datetime(2000, 1, 1),
datetime(2000, 1, 2))
def testAdditionInvalidType(self):
with self.assertRaises(TypeError):
relativedelta(days=3) + 9
def testAdditionUnsupportedType(self):
# For unsupported types that define their own comparators, etc.
self.assertIs(relativedelta(days=1) + NotAValue, NotAValue)
def testSubtraction(self):
self.assertEqual(relativedelta(days=10) -
relativedelta(years=1, months=2, days=3, hours=4,
minutes=5, microseconds=6),
relativedelta(years=-1, months=-2, days=7, hours=-4,
minutes=-5, microseconds=-6))
def testRightSubtractionFromDatetime(self):
self.assertEqual(datetime(2000, 1, 2) - relativedelta(days=1),
datetime(2000, 1, 1))
def testSubractionWithDatetime(self):
self.assertRaises(TypeError, lambda x, y: x - y,
(relativedelta(days=1), datetime(2000, 1, 1)))
def testSubtractionInvalidType(self):
with self.assertRaises(TypeError):
relativedelta(hours=12) - 14
def testSubtractionUnsupportedType(self):
self.assertIs(relativedelta(days=1) + NotAValue, NotAValue)
def testMultiplication(self):
self.assertEqual(datetime(2000, 1, 1) + relativedelta(days=1) * 28,
datetime(2000, 1, 29))
self.assertEqual(datetime(2000, 1, 1) + 28 * relativedelta(days=1),
datetime(2000, 1, 29))
def testMultiplicationUnsupportedType(self):
self.assertIs(relativedelta(days=1) * NotAValue, NotAValue)
def testDivision(self):
self.assertEqual(datetime(2000, 1, 1) + relativedelta(days=28) / 28,
datetime(2000, 1, 2))
def testDivisionUnsupportedType(self):
self.assertIs(relativedelta(days=1) / NotAValue, NotAValue)
def testBoolean(self):
self.assertFalse(relativedelta(days=0))
self.assertTrue(relativedelta(days=1))
def testComparison(self):
d1 = relativedelta(years=1, months=1, days=1, leapdays=0, hours=1,
minutes=1, seconds=1, microseconds=1)
d2 = relativedelta(years=1, months=1, days=1, leapdays=0, hours=1,
minutes=1, seconds=1, microseconds=1)
d3 = relativedelta(years=1, months=1, days=1, leapdays=0, hours=1,
minutes=1, seconds=1, microseconds=2)
self.assertEqual(d1, d2)
self.assertNotEqual(d1, d3)
def testInequalityTypeMismatch(self):
# Different type
self.assertFalse(relativedelta(year=1) == 19)
def testInequalityUnsupportedType(self):
self.assertIs(relativedelta(hours=3) == NotAValue, NotAValue)
def testInequalityWeekdays(self):
# Different weekdays
no_wday = relativedelta(year=1997, month=4)
wday_mo_1 = relativedelta(year=1997, month=4, weekday=MO(+1))
wday_mo_2 = relativedelta(year=1997, month=4, weekday=MO(+2))
wday_tu = relativedelta(year=1997, month=4, weekday=TU)
self.assertTrue(wday_mo_1 == wday_mo_1)
self.assertFalse(no_wday == wday_mo_1)
self.assertFalse(wday_mo_1 == no_wday)
self.assertFalse(wday_mo_1 == wday_mo_2)
self.assertFalse(wday_mo_2 == wday_mo_1)
self.assertFalse(wday_mo_1 == wday_tu)
self.assertFalse(wday_tu == wday_mo_1)
def testMonthOverflow(self):
self.assertEqual(relativedelta(months=273),
relativedelta(years=22, months=9))
def testWeeks(self):
# Test that the weeks property is working properly.
rd = relativedelta(years=4, months=2, weeks=8, days=6)
self.assertEqual((rd.weeks, rd.days), (8, 8 * 7 + 6))
rd.weeks = 3
self.assertEqual((rd.weeks, rd.days), (3, 3 * 7 + 6))
def testRelativeDeltaRepr(self):
self.assertEqual(repr(relativedelta(years=1, months=-1, days=15)),
'relativedelta(years=+1, months=-1, days=+15)')
self.assertEqual(repr(relativedelta(months=14, seconds=-25)),
'relativedelta(years=+1, months=+2, seconds=-25)')
self.assertEqual(repr(relativedelta(month=3, hour=3, weekday=SU(3))),
'relativedelta(month=3, weekday=SU(+3), hour=3)')
def testRelativeDeltaFractionalYear(self):
with self.assertRaises(ValueError):
relativedelta(years=1.5)
def testRelativeDeltaFractionalMonth(self):
with self.assertRaises(ValueError):
relativedelta(months=1.5)
def testRelativeDeltaFractionalAbsolutes(self):
# Fractional absolute values will soon be unsupported,
# check for the deprecation warning.
with self.assertWarns(DeprecationWarning):
relativedelta(year=2.86)
with self.assertWarns(DeprecationWarning):
relativedelta(month=1.29)
with self.assertWarns(DeprecationWarning):
relativedelta(day=0.44)
with self.assertWarns(DeprecationWarning):
relativedelta(hour=23.98)
with self.assertWarns(DeprecationWarning):
relativedelta(minute=45.21)
with self.assertWarns(DeprecationWarning):
relativedelta(second=13.2)
with self.assertWarns(DeprecationWarning):
relativedelta(microsecond=157221.93)
def testRelativeDeltaFractionalRepr(self):
rd = relativedelta(years=3, months=-2, days=1.25)
self.assertEqual(repr(rd),
'relativedelta(years=+3, months=-2, days=+1.25)')
rd = relativedelta(hours=0.5, seconds=9.22)
self.assertEqual(repr(rd),
'relativedelta(hours=+0.5, seconds=+9.22)')
def testRelativeDeltaFractionalWeeks(self):
# Equivalent to days=8, hours=18
rd = relativedelta(weeks=1.25)
d1 = datetime(2009, 9, 3, 0, 0)
self.assertEqual(d1 + rd,
datetime(2009, 9, 11, 18))
def testRelativeDeltaFractionalDays(self):
rd1 = relativedelta(days=1.48)
d1 = datetime(2009, 9, 3, 0, 0)
self.assertEqual(d1 + rd1,
datetime(2009, 9, 4, 11, 31, 12))
rd2 = relativedelta(days=1.5)
self.assertEqual(d1 + rd2,
datetime(2009, 9, 4, 12, 0, 0))
def testRelativeDeltaFractionalHours(self):
rd = relativedelta(days=1, hours=12.5)
d1 = datetime(2009, 9, 3, 0, 0)
self.assertEqual(d1 + rd,
datetime(2009, 9, 4, 12, 30, 0))
def testRelativeDeltaFractionalMinutes(self):
rd = relativedelta(hours=1, minutes=30.5)
d1 = datetime(2009, 9, 3, 0, 0)
self.assertEqual(d1 + rd,
datetime(2009, 9, 3, 1, 30, 30))
def testRelativeDeltaFractionalSeconds(self):
rd = relativedelta(hours=5, minutes=30, seconds=30.5)
d1 = datetime(2009, 9, 3, 0, 0)
self.assertEqual(d1 + rd,
datetime(2009, 9, 3, 5, 30, 30, 500000))
def testRelativeDeltaFractionalPositiveOverflow(self):
# Equivalent to (days=1, hours=14)
rd1 = relativedelta(days=1.5, hours=2)
d1 = datetime(2009, 9, 3, 0, 0)
self.assertEqual(d1 + rd1,
datetime(2009, 9, 4, 14, 0, 0))
# Equivalent to (days=1, hours=14, minutes=45)
rd2 = relativedelta(days=1.5, hours=2.5, minutes=15)
d1 = datetime(2009, 9, 3, 0, 0)
self.assertEqual(d1 + rd2,
datetime(2009, 9, 4, 14, 45))
# Carry back up - equivalent to (days=2, hours=2, minutes=0, seconds=1)
rd3 = relativedelta(days=1.5, hours=13, minutes=59.5, seconds=31)
self.assertEqual(d1 + rd3,
datetime(2009, 9, 5, 2, 0, 1))
def testRelativeDeltaFractionalNegativeDays(self):
# Equivalent to (days=-1, hours=-1)
rd1 = relativedelta(days=-1.5, hours=11)
d1 = datetime(2009, 9, 3, 12, 0)
self.assertEqual(d1 + rd1,
datetime(2009, 9, 2, 11, 0, 0))
# Equivalent to (days=-1, hours=-9)
rd2 = relativedelta(days=-1.25, hours=-3)
self.assertEqual(d1 + rd2,
datetime(2009, 9, 2, 3))
def testRelativeDeltaNormalizeFractionalDays(self):
# Equivalent to (days=2, hours=18)
rd1 = relativedelta(days=2.75)
self.assertEqual(rd1.normalized(), relativedelta(days=2, hours=18))
# Equvalent to (days=1, hours=11, minutes=31, seconds=12)
rd2 = relativedelta(days=1.48)
self.assertEqual(rd2.normalized(),
relativedelta(days=1, hours=11, minutes=31, seconds=12))
def testRelativeDeltaNormalizeFractionalDays(self):
# Equivalent to (hours=1, minutes=30)
rd1 = relativedelta(hours=1.5)
self.assertEqual(rd1.normalized(), relativedelta(hours=1, minutes=30))
# Equivalent to (hours=3, minutes=17, seconds=5, microseconds=100)
rd2 = relativedelta(hours=3.28472225)
self.assertEqual(rd2.normalized(),
relativedelta(hours=3, minutes=17, seconds=5, microseconds=100))
def testRelativeDeltaNormalizeFractionalMinutes(self):
# Equivalent to (minutes=15, seconds=36)
rd1 = relativedelta(minutes=15.6)
self.assertEqual(rd1.normalized(),
relativedelta(minutes=15, seconds=36))
# Equivalent to (minutes=25, seconds=20, microseconds=25000)
rd2 = relativedelta(minutes=25.33375)
self.assertEqual(rd2.normalized(),
relativedelta(minutes=25, seconds=20, microseconds=25000))
def testRelativeDeltaNormalizeFractionalSeconds(self):
# Equivalent to (seconds=45, microseconds=25000)
rd1 = relativedelta(seconds=45.025)
self.assertEqual(rd1.normalized(),
relativedelta(seconds=45, microseconds=25000))
def testRelativeDeltaFractionalPositiveOverflow(self):
# Equivalent to (days=1, hours=14)
rd1 = relativedelta(days=1.5, hours=2)
self.assertEqual(rd1.normalized(),
relativedelta(days=1, hours=14))
# Equivalent to (days=1, hours=14, minutes=45)
rd2 = relativedelta(days=1.5, hours=2.5, minutes=15)
self.assertEqual(rd2.normalized(),
relativedelta(days=1, hours=14, minutes=45))
# Carry back up - equivalent to:
# (days=2, hours=2, minutes=0, seconds=2, microseconds=3)
rd3 = relativedelta(days=1.5, hours=13, minutes=59.50045,
seconds=31.473, microseconds=500003)
self.assertEqual(rd3.normalized(),
relativedelta(days=2, hours=2, minutes=0,
seconds=2, microseconds=3))
def testRelativeDeltaFractionalNegativeOverflow(self):
# Equivalent to (days=-1)
rd1 = relativedelta(days=-0.5, hours=-12)
self.assertEqual(rd1.normalized(),
relativedelta(days=-1))
# Equivalent to (days=-1)
rd2 = relativedelta(days=-1.5, hours=12)
self.assertEqual(rd2.normalized(),
relativedelta(days=-1))
# Equivalent to (days=-1, hours=-14, minutes=-45)
rd3 = relativedelta(days=-1.5, hours=-2.5, minutes=-15)
self.assertEqual(rd3.normalized(),
relativedelta(days=-1, hours=-14, minutes=-45))
# Equivalent to (days=-1, hours=-14, minutes=+15)
rd4 = relativedelta(days=-1.5, hours=-2.5, minutes=45)
self.assertEqual(rd4.normalized(),
relativedelta(days=-1, hours=-14, minutes=+15))
# Carry back up - equivalent to:
# (days=-2, hours=-2, minutes=0, seconds=-2, microseconds=-3)
rd3 = relativedelta(days=-1.5, hours=-13, minutes=-59.50045,
seconds=-31.473, microseconds=-500003)
self.assertEqual(rd3.normalized(),
relativedelta(days=-2, hours=-2, minutes=0,
seconds=-2, microseconds=-3))
def testInvalidYearDay(self):
with self.assertRaises(ValueError):
relativedelta(yearday=367)
def testAddTimedeltaToUnpopulatedRelativedelta(self):
td = timedelta(
days=1,
seconds=1,
microseconds=1,
milliseconds=1,
minutes=1,
hours=1,
weeks=1
)
expected = relativedelta(
weeks=1,
days=1,
hours=1,
minutes=1,
seconds=1,
microseconds=1001
)
self.assertEqual(expected, relativedelta() + td)
def testAddTimedeltaToPopulatedRelativeDelta(self):
td = timedelta(
days=1,
seconds=1,
microseconds=1,
milliseconds=1,
minutes=1,
hours=1,
weeks=1
)
rd = relativedelta(
year=1,
month=1,
day=1,
hour=1,
minute=1,
second=1,
microsecond=1,
years=1,
months=1,
days=1,
weeks=1,
hours=1,
minutes=1,
seconds=1,
microseconds=1
)
expected = relativedelta(
year=1,
month=1,
day=1,
hour=1,
minute=1,
second=1,
microsecond=1,
years=1,
months=1,
weeks=2,
days=2,
hours=2,
minutes=2,
seconds=2,
microseconds=1002,
)
self.assertEqual(expected, rd + td)