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test_offsets.py
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from datetime import date, datetime, timedelta
from dateutil.relativedelta import relativedelta
from pandas.compat import range
from pandas import compat
import nose
from nose.tools import assert_raises
import numpy as np
from pandas.core.datetools import (
bday, BDay, cday, CDay, BQuarterEnd, BMonthEnd, BYearEnd, MonthEnd,
MonthBegin, BYearBegin, QuarterBegin, BQuarterBegin, BMonthBegin,
DateOffset, Week, YearBegin, YearEnd, Hour, Minute, Second, Day, Micro,
Milli, Nano,
WeekOfMonth, format, ole2datetime, QuarterEnd, to_datetime, normalize_date,
get_offset, get_offset_name, get_standard_freq)
from pandas.tseries.frequencies import _offset_map
from pandas.tseries.index import _to_m8, DatetimeIndex, _daterange_cache
from pandas.tseries.tools import parse_time_string
import pandas.tseries.offsets as offsets
from pandas.tslib import monthrange, OutOfBoundsDatetime
from pandas.lib import Timestamp
from pandas.util.testing import assertRaisesRegexp
import pandas.util.testing as tm
from pandas.tseries.offsets import BusinessMonthEnd, CacheableOffset, \
LastWeekOfMonth, FY5253, FY5253Quarter, WeekDay
from pandas import _np_version_under1p7
_multiprocess_can_split_ = True
def test_monthrange():
import calendar
for y in range(2000, 2013):
for m in range(1, 13):
assert monthrange(y, m) == calendar.monthrange(y, m)
def _skip_if_no_cday():
if cday is None:
raise nose.SkipTest("CustomBusinessDay not available.")
####
## Misc function tests
####
def test_format():
actual = format(datetime(2008, 1, 15))
assert actual == '20080115'
def test_ole2datetime():
actual = ole2datetime(60000)
assert actual == datetime(2064, 4, 8)
assert_raises(ValueError, ole2datetime, 60)
def test_to_datetime1():
actual = to_datetime(datetime(2008, 1, 15))
assert actual == datetime(2008, 1, 15)
actual = to_datetime('20080115')
assert actual == datetime(2008, 1, 15)
# unparseable
s = 'Month 1, 1999'
assert to_datetime(s) == s
def test_normalize_date():
actual = normalize_date(datetime(2007, 10, 1, 1, 12, 5, 10))
assert actual == datetime(2007, 10, 1)
def test_to_m8():
valb = datetime(2007, 10, 1)
valu = _to_m8(valb)
tm.assert_isinstance(valu, np.datetime64)
# assert valu == np.datetime64(datetime(2007,10,1))
# def test_datetime64_box():
# valu = np.datetime64(datetime(2007,10,1))
# valb = _dt_box(valu)
# assert type(valb) == datetime
# assert valb == datetime(2007,10,1)
#####
### DateOffset Tests
#####
class TestBase(tm.TestCase):
_offset = None
def test_apply_out_of_range(self):
if self._offset is None:
raise nose.SkipTest("_offset not defined to test out-of-range")
# try to create an out-of-bounds result timestamp; if we can't create the offset
# skip
try:
offset = self._offset(10000)
result = Timestamp('20080101') + offset
self.assertIsInstance(result, datetime)
except (OutOfBoundsDatetime):
raise
except (ValueError, KeyError):
raise nose.SkipTest("cannot create out_of_range offset")
def test_return_type(self):
# make sure that we are returning a Timestamp
try:
offset = self._offset(1)
except:
raise nose.SkipTest("_offset not defined to test return_type")
result = Timestamp('20080101') + offset
self.assertIsInstance(result, Timestamp)
class TestDateOffset(TestBase):
_multiprocess_can_split_ = True
def setUp(self):
self.d = Timestamp(datetime(2008, 1, 2))
_offset_map.clear()
def test_repr(self):
repr(DateOffset())
repr(DateOffset(2))
repr(2 * DateOffset())
repr(2 * DateOffset(months=2))
def test_mul(self):
assert DateOffset(2) == 2 * DateOffset(1)
assert DateOffset(2) == DateOffset(1) * 2
def test_constructor(self):
assert((self.d + DateOffset(months=2)) == datetime(2008, 3, 2))
assert((self.d - DateOffset(months=2)) == datetime(2007, 11, 2))
assert((self.d + DateOffset(2)) == datetime(2008, 1, 4))
assert not DateOffset(2).isAnchored()
assert DateOffset(1).isAnchored()
d = datetime(2008, 1, 31)
assert((d + DateOffset(months=1)) == datetime(2008, 2, 29))
def test_copy(self):
assert(DateOffset(months=2).copy() == DateOffset(months=2))
def test_eq(self):
offset1 = DateOffset(days=1)
offset2 = DateOffset(days=365)
self.assertNotEqual(offset1, offset2)
class TestBusinessDay(TestBase):
_multiprocess_can_split_ = True
_offset = BDay
def setUp(self):
self.d = datetime(2008, 1, 1)
self.offset = BDay()
self.offset2 = BDay(2)
def test_different_normalize_equals(self):
# equivalent in this special case
offset = BDay()
offset2 = BDay()
offset2.normalize = True
self.assertEqual(offset, offset2)
def test_repr(self):
self.assertEqual(repr(self.offset), '<BusinessDay>')
assert repr(self.offset2) == '<2 * BusinessDays>'
expected = '<BusinessDay: offset=datetime.timedelta(1)>'
assert repr(self.offset + timedelta(1)) == expected
def test_with_offset(self):
offset = self.offset + timedelta(hours=2)
assert (self.d + offset) == datetime(2008, 1, 2, 2)
def testEQ(self):
self.assertEqual(self.offset2, self.offset2)
def test_mul(self):
pass
def test_hash(self):
self.assertEqual(hash(self.offset2), hash(self.offset2))
def testCall(self):
self.assertEqual(self.offset2(self.d), datetime(2008, 1, 3))
def testRAdd(self):
self.assertEqual(self.d + self.offset2, self.offset2 + self.d)
def testSub(self):
off = self.offset2
self.assertRaises(Exception, off.__sub__, self.d)
self.assertEqual(2 * off - off, off)
self.assertEqual(self.d - self.offset2, self.d + BDay(-2))
def testRSub(self):
self.assertEqual(self.d - self.offset2, (-self.offset2).apply(self.d))
def testMult1(self):
self.assertEqual(self.d + 10 * self.offset, self.d + BDay(10))
def testMult2(self):
self.assertEqual(self.d + (-5 * BDay(-10)),
self.d + BDay(50))
def testRollback1(self):
self.assertEqual(BDay(10).rollback(self.d), self.d)
def testRollback2(self):
self.assertEqual(
BDay(10).rollback(datetime(2008, 1, 5)), datetime(2008, 1, 4))
def testRollforward1(self):
self.assertEqual(BDay(10).rollforward(self.d), self.d)
def testRollforward2(self):
self.assertEqual(
BDay(10).rollforward(datetime(2008, 1, 5)), datetime(2008, 1, 7))
def test_roll_date_object(self):
offset = BDay()
dt = date(2012, 9, 15)
result = offset.rollback(dt)
self.assertEqual(result, datetime(2012, 9, 14))
result = offset.rollforward(dt)
self.assertEqual(result, datetime(2012, 9, 17))
offset = offsets.Day()
result = offset.rollback(dt)
self.assertEqual(result, datetime(2012, 9, 15))
result = offset.rollforward(dt)
self.assertEqual(result, datetime(2012, 9, 15))
def test_onOffset(self):
tests = [(BDay(), datetime(2008, 1, 1), True),
(BDay(), datetime(2008, 1, 5), False)]
for offset, date, expected in tests:
assertOnOffset(offset, date, expected)
def test_apply(self):
tests = []
tests.append((bday,
{datetime(2008, 1, 1): datetime(2008, 1, 2),
datetime(2008, 1, 4): datetime(2008, 1, 7),
datetime(2008, 1, 5): datetime(2008, 1, 7),
datetime(2008, 1, 6): datetime(2008, 1, 7),
datetime(2008, 1, 7): datetime(2008, 1, 8)}))
tests.append((2 * bday,
{datetime(2008, 1, 1): datetime(2008, 1, 3),
datetime(2008, 1, 4): datetime(2008, 1, 8),
datetime(2008, 1, 5): datetime(2008, 1, 8),
datetime(2008, 1, 6): datetime(2008, 1, 8),
datetime(2008, 1, 7): datetime(2008, 1, 9)}))
tests.append((-bday,
{datetime(2008, 1, 1): datetime(2007, 12, 31),
datetime(2008, 1, 4): datetime(2008, 1, 3),
datetime(2008, 1, 5): datetime(2008, 1, 4),
datetime(2008, 1, 6): datetime(2008, 1, 4),
datetime(2008, 1, 7): datetime(2008, 1, 4),
datetime(2008, 1, 8): datetime(2008, 1, 7)}))
tests.append((-2 * bday,
{datetime(2008, 1, 1): datetime(2007, 12, 28),
datetime(2008, 1, 4): datetime(2008, 1, 2),
datetime(2008, 1, 5): datetime(2008, 1, 3),
datetime(2008, 1, 6): datetime(2008, 1, 3),
datetime(2008, 1, 7): datetime(2008, 1, 3),
datetime(2008, 1, 8): datetime(2008, 1, 4),
datetime(2008, 1, 9): datetime(2008, 1, 7)}))
tests.append((BDay(0),
{datetime(2008, 1, 1): datetime(2008, 1, 1),
datetime(2008, 1, 4): datetime(2008, 1, 4),
datetime(2008, 1, 5): datetime(2008, 1, 7),
datetime(2008, 1, 6): datetime(2008, 1, 7),
datetime(2008, 1, 7): datetime(2008, 1, 7)}))
for offset, cases in tests:
for base, expected in compat.iteritems(cases):
assertEq(offset, base, expected)
def test_apply_large_n(self):
dt = datetime(2012, 10, 23)
result = dt + BDay(10)
self.assertEqual(result, datetime(2012, 11, 6))
result = dt + BDay(100) - BDay(100)
self.assertEqual(result, dt)
off = BDay() * 6
rs = datetime(2012, 1, 1) - off
xp = datetime(2011, 12, 23)
self.assertEqual(rs, xp)
st = datetime(2011, 12, 18)
rs = st + off
xp = datetime(2011, 12, 26)
self.assertEqual(rs, xp)
off = BDay() * 10
rs = datetime(2014, 1, 5) + off # see #5890
xp = datetime(2014, 1, 17)
self.assertEqual(rs, xp)
def test_apply_corner(self):
self.assertRaises(TypeError, BDay().apply, BMonthEnd())
def test_offsets_compare_equal(self):
# root cause of #456
offset1 = BDay()
offset2 = BDay()
self.assertFalse(offset1 != offset2)
class TestCustomBusinessDay(TestBase):
_multiprocess_can_split_ = True
_offset = CDay
def setUp(self):
self.d = datetime(2008, 1, 1)
_skip_if_no_cday()
self.offset = CDay()
self.offset2 = CDay(2)
def test_different_normalize_equals(self):
# equivalent in this special case
offset = CDay()
offset2 = CDay()
offset2.normalize = True
self.assertEqual(offset, offset2)
def test_repr(self):
assert repr(self.offset) == '<CustomBusinessDay>'
assert repr(self.offset2) == '<2 * CustomBusinessDays>'
expected = '<BusinessDay: offset=datetime.timedelta(1)>'
assert repr(self.offset + timedelta(1)) == expected
def test_with_offset(self):
offset = self.offset + timedelta(hours=2)
assert (self.d + offset) == datetime(2008, 1, 2, 2)
def testEQ(self):
self.assertEqual(self.offset2, self.offset2)
def test_mul(self):
pass
def test_hash(self):
self.assertEqual(hash(self.offset2), hash(self.offset2))
def testCall(self):
self.assertEqual(self.offset2(self.d), datetime(2008, 1, 3))
def testRAdd(self):
self.assertEqual(self.d + self.offset2, self.offset2 + self.d)
def testSub(self):
off = self.offset2
self.assertRaises(Exception, off.__sub__, self.d)
self.assertEqual(2 * off - off, off)
self.assertEqual(self.d - self.offset2, self.d + CDay(-2))
def testRSub(self):
self.assertEqual(self.d - self.offset2, (-self.offset2).apply(self.d))
def testMult1(self):
self.assertEqual(self.d + 10 * self.offset, self.d + CDay(10))
def testMult2(self):
self.assertEqual(self.d + (-5 * CDay(-10)),
self.d + CDay(50))
def testRollback1(self):
self.assertEqual(CDay(10).rollback(self.d), self.d)
def testRollback2(self):
self.assertEqual(
CDay(10).rollback(datetime(2008, 1, 5)), datetime(2008, 1, 4))
def testRollforward1(self):
self.assertEqual(CDay(10).rollforward(self.d), self.d)
def testRollforward2(self):
self.assertEqual(
CDay(10).rollforward(datetime(2008, 1, 5)), datetime(2008, 1, 7))
def test_roll_date_object(self):
offset = CDay()
dt = date(2012, 9, 15)
result = offset.rollback(dt)
self.assertEqual(result, datetime(2012, 9, 14))
result = offset.rollforward(dt)
self.assertEqual(result, datetime(2012, 9, 17))
offset = offsets.Day()
result = offset.rollback(dt)
self.assertEqual(result, datetime(2012, 9, 15))
result = offset.rollforward(dt)
self.assertEqual(result, datetime(2012, 9, 15))
def test_onOffset(self):
tests = [(CDay(), datetime(2008, 1, 1), True),
(CDay(), datetime(2008, 1, 5), False)]
for offset, date, expected in tests:
assertOnOffset(offset, date, expected)
def test_apply(self):
from pandas.core.datetools import cday
tests = []
tests.append((cday,
{datetime(2008, 1, 1): datetime(2008, 1, 2),
datetime(2008, 1, 4): datetime(2008, 1, 7),
datetime(2008, 1, 5): datetime(2008, 1, 7),
datetime(2008, 1, 6): datetime(2008, 1, 7),
datetime(2008, 1, 7): datetime(2008, 1, 8)}))
tests.append((2 * cday,
{datetime(2008, 1, 1): datetime(2008, 1, 3),
datetime(2008, 1, 4): datetime(2008, 1, 8),
datetime(2008, 1, 5): datetime(2008, 1, 8),
datetime(2008, 1, 6): datetime(2008, 1, 8),
datetime(2008, 1, 7): datetime(2008, 1, 9)}))
tests.append((-cday,
{datetime(2008, 1, 1): datetime(2007, 12, 31),
datetime(2008, 1, 4): datetime(2008, 1, 3),
datetime(2008, 1, 5): datetime(2008, 1, 4),
datetime(2008, 1, 6): datetime(2008, 1, 4),
datetime(2008, 1, 7): datetime(2008, 1, 4),
datetime(2008, 1, 8): datetime(2008, 1, 7)}))
tests.append((-2 * cday,
{datetime(2008, 1, 1): datetime(2007, 12, 28),
datetime(2008, 1, 4): datetime(2008, 1, 2),
datetime(2008, 1, 5): datetime(2008, 1, 3),
datetime(2008, 1, 6): datetime(2008, 1, 3),
datetime(2008, 1, 7): datetime(2008, 1, 3),
datetime(2008, 1, 8): datetime(2008, 1, 4),
datetime(2008, 1, 9): datetime(2008, 1, 7)}))
tests.append((CDay(0),
{datetime(2008, 1, 1): datetime(2008, 1, 1),
datetime(2008, 1, 4): datetime(2008, 1, 4),
datetime(2008, 1, 5): datetime(2008, 1, 7),
datetime(2008, 1, 6): datetime(2008, 1, 7),
datetime(2008, 1, 7): datetime(2008, 1, 7)}))
for offset, cases in tests:
for base, expected in compat.iteritems(cases):
assertEq(offset, base, expected)
def test_apply_large_n(self):
dt = datetime(2012, 10, 23)
result = dt + CDay(10)
self.assertEqual(result, datetime(2012, 11, 6))
result = dt + CDay(100) - CDay(100)
self.assertEqual(result, dt)
off = CDay() * 6
rs = datetime(2012, 1, 1) - off
xp = datetime(2011, 12, 23)
self.assertEqual(rs, xp)
st = datetime(2011, 12, 18)
rs = st + off
xp = datetime(2011, 12, 26)
self.assertEqual(rs, xp)
def test_apply_corner(self):
self.assertRaises(Exception, CDay().apply, BMonthEnd())
def test_offsets_compare_equal(self):
# root cause of #456
offset1 = CDay()
offset2 = CDay()
self.assertFalse(offset1 != offset2)
def test_holidays(self):
# Define a TradingDay offset
holidays = ['2012-05-01', datetime(2013, 5, 1),
np.datetime64('2014-05-01')]
tday = CDay(holidays=holidays)
for year in range(2012, 2015):
dt = datetime(year, 4, 30)
xp = datetime(year, 5, 2)
rs = dt + tday
self.assertEqual(rs, xp)
def test_weekmask(self):
weekmask_saudi = 'Sat Sun Mon Tue Wed' # Thu-Fri Weekend
weekmask_uae = '1111001' # Fri-Sat Weekend
weekmask_egypt = [1,1,1,1,0,0,1] # Fri-Sat Weekend
bday_saudi = CDay(weekmask=weekmask_saudi)
bday_uae = CDay(weekmask=weekmask_uae)
bday_egypt = CDay(weekmask=weekmask_egypt)
dt = datetime(2013, 5, 1)
xp_saudi = datetime(2013, 5, 4)
xp_uae = datetime(2013, 5, 2)
xp_egypt = datetime(2013, 5, 2)
self.assertEqual(xp_saudi, dt + bday_saudi)
self.assertEqual(xp_uae, dt + bday_uae)
self.assertEqual(xp_egypt, dt + bday_egypt)
xp2 = datetime(2013, 5, 5)
self.assertEqual(xp2, dt + 2 * bday_saudi)
self.assertEqual(xp2, dt + 2 * bday_uae)
self.assertEqual(xp2, dt + 2 * bday_egypt)
def test_weekmask_and_holidays(self):
weekmask_egypt = 'Sun Mon Tue Wed Thu' # Fri-Sat Weekend
holidays = ['2012-05-01', datetime(2013, 5, 1),
np.datetime64('2014-05-01')]
bday_egypt = CDay(holidays=holidays, weekmask=weekmask_egypt)
dt = datetime(2013, 4, 30)
xp_egypt = datetime(2013, 5, 5)
self.assertEqual(xp_egypt, dt + 2 * bday_egypt)
def assertOnOffset(offset, date, expected):
actual = offset.onOffset(date)
assert actual == expected, ("\nExpected: %s\nActual: %s\nFor Offset: %s)"
"\nAt Date: %s" %
(expected, actual, offset, date))
class TestWeek(TestBase):
_offset = Week
def test_repr(self):
self.assertEqual(repr(Week(weekday=0)), "<Week: weekday=0>")
self.assertEqual(repr(Week(n=-1, weekday=0)), "<-1 * Week: weekday=0>")
self.assertEqual(repr(Week(n=-2, weekday=0)), "<-2 * Weeks: weekday=0>")
def test_corner(self):
self.assertRaises(ValueError, Week, weekday=7)
assertRaisesRegexp(ValueError, "Day must be", Week, weekday=-1)
def test_isAnchored(self):
self.assert_(Week(weekday=0).isAnchored())
self.assert_(not Week().isAnchored())
self.assert_(not Week(2, weekday=2).isAnchored())
self.assert_(not Week(2).isAnchored())
def test_offset(self):
tests = []
tests.append((Week(), # not business week
{datetime(2008, 1, 1): datetime(2008, 1, 8),
datetime(2008, 1, 4): datetime(2008, 1, 11),
datetime(2008, 1, 5): datetime(2008, 1, 12),
datetime(2008, 1, 6): datetime(2008, 1, 13),
datetime(2008, 1, 7): datetime(2008, 1, 14)}))
tests.append((Week(weekday=0), # Mon
{datetime(2007, 12, 31): datetime(2008, 1, 7),
datetime(2008, 1, 4): datetime(2008, 1, 7),
datetime(2008, 1, 5): datetime(2008, 1, 7),
datetime(2008, 1, 6): datetime(2008, 1, 7),
datetime(2008, 1, 7): datetime(2008, 1, 14)}))
tests.append((Week(0, weekday=0), # n=0 -> roll forward. Mon
{datetime(2007, 12, 31): datetime(2007, 12, 31),
datetime(2008, 1, 4): datetime(2008, 1, 7),
datetime(2008, 1, 5): datetime(2008, 1, 7),
datetime(2008, 1, 6): datetime(2008, 1, 7),
datetime(2008, 1, 7): datetime(2008, 1, 7)}))
tests.append((Week(-2, weekday=1), # n=0 -> roll forward. Mon
{datetime(2010, 4, 6): datetime(2010, 3, 23),
datetime(2010, 4, 8): datetime(2010, 3, 30),
datetime(2010, 4, 5): datetime(2010, 3, 23)}))
for offset, cases in tests:
for base, expected in compat.iteritems(cases):
assertEq(offset, base, expected)
def test_onOffset(self):
for weekday in range(7):
offset = Week(weekday=weekday)
for day in range(1, 8):
date = datetime(2008, 1, day)
if day % 7 == weekday:
expected = True
else:
expected = False
assertOnOffset(offset, date, expected)
def test_offsets_compare_equal(self):
# root cause of #456
offset1 = Week()
offset2 = Week()
self.assertFalse(offset1 != offset2)
class TestWeekOfMonth(TestBase):
_offset = WeekOfMonth
def test_constructor(self):
assertRaisesRegexp(ValueError, "^N cannot be 0", WeekOfMonth, n=0, week=1, weekday=1)
assertRaisesRegexp(ValueError, "^Week", WeekOfMonth, n=1, week=4, weekday=0)
assertRaisesRegexp(ValueError, "^Week", WeekOfMonth, n=1, week=-1, weekday=0)
assertRaisesRegexp(ValueError, "^Day", WeekOfMonth, n=1, week=0, weekday=-1)
assertRaisesRegexp(ValueError, "^Day", WeekOfMonth, n=1, week=0, weekday=7)
def test_repr(self):
self.assertEqual(repr(WeekOfMonth(weekday=1,week=2)), "<WeekOfMonth: week=2, weekday=1>")
def test_offset(self):
date1 = datetime(2011, 1, 4) # 1st Tuesday of Month
date2 = datetime(2011, 1, 11) # 2nd Tuesday of Month
date3 = datetime(2011, 1, 18) # 3rd Tuesday of Month
date4 = datetime(2011, 1, 25) # 4th Tuesday of Month
# see for loop for structure
test_cases = [
(-2, 2, 1, date1, datetime(2010, 11, 16)),
(-2, 2, 1, date2, datetime(2010, 11, 16)),
(-2, 2, 1, date3, datetime(2010, 11, 16)),
(-2, 2, 1, date4, datetime(2010, 12, 21)),
(-1, 2, 1, date1, datetime(2010, 12, 21)),
(-1, 2, 1, date2, datetime(2010, 12, 21)),
(-1, 2, 1, date3, datetime(2010, 12, 21)),
(-1, 2, 1, date4, datetime(2011, 1, 18)),
(1, 0, 0, date1, datetime(2011, 2, 7)),
(1, 0, 0, date2, datetime(2011, 2, 7)),
(1, 0, 0, date3, datetime(2011, 2, 7)),
(1, 0, 0, date4, datetime(2011, 2, 7)),
(1, 0, 1, date1, datetime(2011, 2, 1)),
(1, 0, 1, date2, datetime(2011, 2, 1)),
(1, 0, 1, date3, datetime(2011, 2, 1)),
(1, 0, 1, date4, datetime(2011, 2, 1)),
(1, 0, 2, date1, datetime(2011, 1, 5)),
(1, 0, 2, date2, datetime(2011, 2, 2)),
(1, 0, 2, date3, datetime(2011, 2, 2)),
(1, 0, 2, date4, datetime(2011, 2, 2)),
(1, 2, 1, date1, datetime(2011, 1, 18)),
(1, 2, 1, date2, datetime(2011, 1, 18)),
(1, 2, 1, date3, datetime(2011, 2, 15)),
(1, 2, 1, date4, datetime(2011, 2, 15)),
(2, 2, 1, date1, datetime(2011, 2, 15)),
(2, 2, 1, date2, datetime(2011, 2, 15)),
(2, 2, 1, date3, datetime(2011, 3, 15)),
(2, 2, 1, date4, datetime(2011, 3, 15)),
]
for n, week, weekday, date, expected in test_cases:
offset = WeekOfMonth(n, week=week, weekday=weekday)
assertEq(offset, date, expected)
# try subtracting
result = datetime(2011, 2, 1) - WeekOfMonth(week=1, weekday=2)
self.assertEqual(result, datetime(2011, 1, 12))
result = datetime(2011, 2, 3) - WeekOfMonth(week=0, weekday=2)
self.assertEqual(result, datetime(2011, 2, 2))
def test_onOffset(self):
test_cases = [
(0, 0, datetime(2011, 2, 7), True),
(0, 0, datetime(2011, 2, 6), False),
(0, 0, datetime(2011, 2, 14), False),
(1, 0, datetime(2011, 2, 14), True),
(0, 1, datetime(2011, 2, 1), True),
(0, 1, datetime(2011, 2, 8), False),
]
for week, weekday, date, expected in test_cases:
offset = WeekOfMonth(week=week, weekday=weekday)
self.assertEqual(offset.onOffset(date), expected)
class TestLastWeekOfMonth(TestBase):
_offset = LastWeekOfMonth
def test_constructor(self):
assertRaisesRegexp(ValueError, "^N cannot be 0", \
LastWeekOfMonth, n=0, weekday=1)
assertRaisesRegexp(ValueError, "^Day", LastWeekOfMonth, n=1, weekday=-1)
assertRaisesRegexp(ValueError, "^Day", LastWeekOfMonth, n=1, weekday=7)
def test_offset(self):
#### Saturday
last_sat = datetime(2013,8,31)
next_sat = datetime(2013,9,28)
offset_sat = LastWeekOfMonth(n=1, weekday=5)
one_day_before = (last_sat + timedelta(days=-1))
self.assertEqual(one_day_before + offset_sat, last_sat)
one_day_after = (last_sat + timedelta(days=+1))
self.assertEqual(one_day_after + offset_sat, next_sat)
#Test On that day
self.assertEqual(last_sat + offset_sat, next_sat)
#### Thursday
offset_thur = LastWeekOfMonth(n=1, weekday=3)
last_thurs = datetime(2013,1,31)
next_thurs = datetime(2013,2,28)
one_day_before = last_thurs + timedelta(days=-1)
self.assertEqual(one_day_before + offset_thur, last_thurs)
one_day_after = last_thurs + timedelta(days=+1)
self.assertEqual(one_day_after + offset_thur, next_thurs)
# Test on that day
self.assertEqual(last_thurs + offset_thur, next_thurs)
three_before = last_thurs + timedelta(days=-3)
self.assertEqual(three_before + offset_thur, last_thurs)
two_after = last_thurs + timedelta(days=+2)
self.assertEqual(two_after + offset_thur, next_thurs)
offset_sunday = LastWeekOfMonth(n=1, weekday=WeekDay.SUN)
self.assertEqual(datetime(2013,7,31) + offset_sunday, datetime(2013,8,25))
def test_onOffset(self):
test_cases = [
(WeekDay.SUN, datetime(2013, 1, 27), True),
(WeekDay.SAT, datetime(2013, 3, 30), True),
(WeekDay.MON, datetime(2013, 2, 18), False), #Not the last Mon
(WeekDay.SUN, datetime(2013, 2, 25), False), #Not a SUN
(WeekDay.MON, datetime(2013, 2, 25), True),
(WeekDay.SAT, datetime(2013, 11, 30), True),
(WeekDay.SAT, datetime(2006, 8, 26), True),
(WeekDay.SAT, datetime(2007, 8, 25), True),
(WeekDay.SAT, datetime(2008, 8, 30), True),
(WeekDay.SAT, datetime(2009, 8, 29), True),
(WeekDay.SAT, datetime(2010, 8, 28), True),
(WeekDay.SAT, datetime(2011, 8, 27), True),
(WeekDay.SAT, datetime(2019, 8, 31), True),
]
for weekday, date, expected in test_cases:
offset = LastWeekOfMonth(weekday=weekday)
self.assertEqual(offset.onOffset(date), expected, msg=date)
class TestBMonthBegin(TestBase):
_offset = BMonthBegin
def test_offset(self):
tests = []
tests.append((BMonthBegin(),
{datetime(2008, 1, 1): datetime(2008, 2, 1),
datetime(2008, 1, 31): datetime(2008, 2, 1),
datetime(2006, 12, 29): datetime(2007, 1, 1),
datetime(2006, 12, 31): datetime(2007, 1, 1),
datetime(2006, 9, 1): datetime(2006, 10, 2),
datetime(2007, 1, 1): datetime(2007, 2, 1),
datetime(2006, 12, 1): datetime(2007, 1, 1)}))
tests.append((BMonthBegin(0),
{datetime(2008, 1, 1): datetime(2008, 1, 1),
datetime(2006, 10, 2): datetime(2006, 10, 2),
datetime(2008, 1, 31): datetime(2008, 2, 1),
datetime(2006, 12, 29): datetime(2007, 1, 1),
datetime(2006, 12, 31): datetime(2007, 1, 1),
datetime(2006, 9, 15): datetime(2006, 10, 2)}))
tests.append((BMonthBegin(2),
{datetime(2008, 1, 1): datetime(2008, 3, 3),
datetime(2008, 1, 15): datetime(2008, 3, 3),
datetime(2006, 12, 29): datetime(2007, 2, 1),
datetime(2006, 12, 31): datetime(2007, 2, 1),
datetime(2007, 1, 1): datetime(2007, 3, 1),
datetime(2006, 11, 1): datetime(2007, 1, 1)}))
tests.append((BMonthBegin(-1),
{datetime(2007, 1, 1): datetime(2006, 12, 1),
datetime(2008, 6, 30): datetime(2008, 6, 2),
datetime(2008, 6, 1): datetime(2008, 5, 1),
datetime(2008, 3, 10): datetime(2008, 3, 3),
datetime(2008, 12, 31): datetime(2008, 12, 1),
datetime(2006, 12, 29): datetime(2006, 12, 1),
datetime(2006, 12, 30): datetime(2006, 12, 1),
datetime(2007, 1, 1): datetime(2006, 12, 1)}))
for offset, cases in tests:
for base, expected in compat.iteritems(cases):
assertEq(offset, base, expected)
def test_onOffset(self):
tests = [(BMonthBegin(), datetime(2007, 12, 31), False),
(BMonthBegin(), datetime(2008, 1, 1), True),
(BMonthBegin(), datetime(2001, 4, 2), True),
(BMonthBegin(), datetime(2008, 3, 3), True)]
for offset, date, expected in tests:
assertOnOffset(offset, date, expected)
def test_offsets_compare_equal(self):
# root cause of #456
offset1 = BMonthBegin()
offset2 = BMonthBegin()
self.assertFalse(offset1 != offset2)
class TestBMonthEnd(TestBase):
_offset = BMonthEnd
def test_offset(self):
tests = []
tests.append((BMonthEnd(),
{datetime(2008, 1, 1): datetime(2008, 1, 31),
datetime(2008, 1, 31): datetime(2008, 2, 29),
datetime(2006, 12, 29): datetime(2007, 1, 31),
datetime(2006, 12, 31): datetime(2007, 1, 31),
datetime(2007, 1, 1): datetime(2007, 1, 31),
datetime(2006, 12, 1): datetime(2006, 12, 29)}))
tests.append((BMonthEnd(0),
{datetime(2008, 1, 1): datetime(2008, 1, 31),
datetime(2008, 1, 31): datetime(2008, 1, 31),
datetime(2006, 12, 29): datetime(2006, 12, 29),
datetime(2006, 12, 31): datetime(2007, 1, 31),
datetime(2007, 1, 1): datetime(2007, 1, 31)}))
tests.append((BMonthEnd(2),
{datetime(2008, 1, 1): datetime(2008, 2, 29),
datetime(2008, 1, 31): datetime(2008, 3, 31),
datetime(2006, 12, 29): datetime(2007, 2, 28),
datetime(2006, 12, 31): datetime(2007, 2, 28),
datetime(2007, 1, 1): datetime(2007, 2, 28),
datetime(2006, 11, 1): datetime(2006, 12, 29)}))
tests.append((BMonthEnd(-1),
{datetime(2007, 1, 1): datetime(2006, 12, 29),
datetime(2008, 6, 30): datetime(2008, 5, 30),
datetime(2008, 12, 31): datetime(2008, 11, 28),
datetime(2006, 12, 29): datetime(2006, 11, 30),
datetime(2006, 12, 30): datetime(2006, 12, 29),
datetime(2007, 1, 1): datetime(2006, 12, 29)}))
for offset, cases in tests:
for base, expected in compat.iteritems(cases):
assertEq(offset, base, expected)
def test_normalize(self):
dt = datetime(2007, 1, 1, 3)
result = dt + BMonthEnd()
expected = dt.replace(hour=0) + BMonthEnd()
self.assertEqual(result, expected)
def test_onOffset(self):
tests = [(BMonthEnd(), datetime(2007, 12, 31), True),
(BMonthEnd(), datetime(2008, 1, 1), False)]
for offset, date, expected in tests:
assertOnOffset(offset, date, expected)
def test_offsets_compare_equal(self):
# root cause of #456
offset1 = BMonthEnd()
offset2 = BMonthEnd()
self.assertFalse(offset1 != offset2)
class TestMonthBegin(TestBase):
_offset = MonthBegin
def test_offset(self):
tests = []
# NOTE: I'm not entirely happy with the logic here for Begin -ss
# see thread 'offset conventions' on the ML
tests.append((MonthBegin(),
{datetime(2008, 1, 31): datetime(2008, 2, 1),
datetime(2008, 2, 1): datetime(2008, 3, 1),
datetime(2006, 12, 31): datetime(2007, 1, 1),
datetime(2006, 12, 1): datetime(2007, 1, 1),
datetime(2007, 1, 31): datetime(2007, 2, 1)}))
tests.append((MonthBegin(0),
{datetime(2008, 1, 31): datetime(2008, 2, 1),
datetime(2008, 1, 1): datetime(2008, 1, 1),
datetime(2006, 12, 3): datetime(2007, 1, 1),
datetime(2007, 1, 31): datetime(2007, 2, 1)}))
tests.append((MonthBegin(2),
{datetime(2008, 2, 29): datetime(2008, 4, 1),
datetime(2008, 1, 31): datetime(2008, 3, 1),
datetime(2006, 12, 31): datetime(2007, 2, 1),
datetime(2007, 12, 28): datetime(2008, 2, 1),
datetime(2007, 1, 1): datetime(2007, 3, 1),
datetime(2006, 11, 1): datetime(2007, 1, 1)}))
tests.append((MonthBegin(-1),
{datetime(2007, 1, 1): datetime(2006, 12, 1),
datetime(2008, 5, 31): datetime(2008, 5, 1),
datetime(2008, 12, 31): datetime(2008, 12, 1),
datetime(2006, 12, 29): datetime(2006, 12, 1),
datetime(2006, 1, 2): datetime(2006, 1, 1)}))
for offset, cases in tests:
for base, expected in compat.iteritems(cases):
assertEq(offset, base, expected)
class TestMonthEnd(TestBase):
_offset = MonthEnd
def test_offset(self):
tests = []
tests.append((MonthEnd(),
{datetime(2008, 1, 1): datetime(2008, 1, 31),
datetime(2008, 1, 31): datetime(2008, 2, 29),
datetime(2006, 12, 29): datetime(2006, 12, 31),
datetime(2006, 12, 31): datetime(2007, 1, 31),
datetime(2007, 1, 1): datetime(2007, 1, 31),
datetime(2006, 12, 1): datetime(2006, 12, 31)}))
tests.append((MonthEnd(0),
{datetime(2008, 1, 1): datetime(2008, 1, 31),
datetime(2008, 1, 31): datetime(2008, 1, 31),
datetime(2006, 12, 29): datetime(2006, 12, 31),
datetime(2006, 12, 31): datetime(2006, 12, 31),
datetime(2007, 1, 1): datetime(2007, 1, 31)}))
tests.append((MonthEnd(2),
{datetime(2008, 1, 1): datetime(2008, 2, 29),
datetime(2008, 1, 31): datetime(2008, 3, 31),
datetime(2006, 12, 29): datetime(2007, 1, 31),
datetime(2006, 12, 31): datetime(2007, 2, 28),
datetime(2007, 1, 1): datetime(2007, 2, 28),
datetime(2006, 11, 1): datetime(2006, 12, 31)}))
tests.append((MonthEnd(-1),
{datetime(2007, 1, 1): datetime(2006, 12, 31),
datetime(2008, 6, 30): datetime(2008, 5, 31),
datetime(2008, 12, 31): datetime(2008, 11, 30),
datetime(2006, 12, 29): datetime(2006, 11, 30),
datetime(2006, 12, 30): datetime(2006, 11, 30),
datetime(2007, 1, 1): datetime(2006, 12, 31)}))
for offset, cases in tests:
for base, expected in compat.iteritems(cases):
assertEq(offset, base, expected)
# def test_day_of_month(self):
# dt = datetime(2007, 1, 1)
# offset = MonthEnd(day=20)