| """Test date/time type. |
| |
| See http://www.zope.org/Members/fdrake/DateTimeWiki/TestCases |
| """ |
| |
| import sys |
| import pickle |
| import random |
| import unittest |
| |
| from operator import lt, le, gt, ge, eq, ne, truediv, floordiv, mod |
| |
| from test import support |
| |
| import datetime as datetime_module |
| from datetime import MINYEAR, MAXYEAR |
| from datetime import timedelta |
| from datetime import tzinfo |
| from datetime import time |
| from datetime import timezone |
| from datetime import date, datetime |
| import time as _time |
| |
| # Needed by test_datetime |
| import _strptime |
| # |
| |
| |
| pickle_choices = [(pickle, pickle, proto) |
| for proto in range(pickle.HIGHEST_PROTOCOL + 1)] |
| assert len(pickle_choices) == pickle.HIGHEST_PROTOCOL + 1 |
| |
| # An arbitrary collection of objects of non-datetime types, for testing |
| # mixed-type comparisons. |
| OTHERSTUFF = (10, 34.5, "abc", {}, [], ()) |
| |
| |
| # XXX Copied from test_float. |
| INF = float("inf") |
| NAN = float("nan") |
| |
| |
| ############################################################################# |
| # module tests |
| |
| class TestModule(unittest.TestCase): |
| |
| def test_constants(self): |
| datetime = datetime_module |
| self.assertEqual(datetime.MINYEAR, 1) |
| self.assertEqual(datetime.MAXYEAR, 9999) |
| |
| ############################################################################# |
| # tzinfo tests |
| |
| class FixedOffset(tzinfo): |
| |
| def __init__(self, offset, name, dstoffset=42): |
| if isinstance(offset, int): |
| offset = timedelta(minutes=offset) |
| if isinstance(dstoffset, int): |
| dstoffset = timedelta(minutes=dstoffset) |
| self.__offset = offset |
| self.__name = name |
| self.__dstoffset = dstoffset |
| def __repr__(self): |
| return self.__name.lower() |
| def utcoffset(self, dt): |
| return self.__offset |
| def tzname(self, dt): |
| return self.__name |
| def dst(self, dt): |
| return self.__dstoffset |
| |
| class PicklableFixedOffset(FixedOffset): |
| |
| def __init__(self, offset=None, name=None, dstoffset=None): |
| FixedOffset.__init__(self, offset, name, dstoffset) |
| |
| class _TZInfo(tzinfo): |
| def utcoffset(self, datetime_module): |
| return random.random() |
| |
| class TestTZInfo(unittest.TestCase): |
| |
| def test_refcnt_crash_bug_22044(self): |
| tz1 = _TZInfo() |
| dt1 = datetime(2014, 7, 21, 11, 32, 3, 0, tz1) |
| with self.assertRaises(TypeError): |
| dt1.utcoffset() |
| |
| def test_non_abstractness(self): |
| # In order to allow subclasses to get pickled, the C implementation |
| # wasn't able to get away with having __init__ raise |
| # NotImplementedError. |
| useless = tzinfo() |
| dt = datetime.max |
| self.assertRaises(NotImplementedError, useless.tzname, dt) |
| self.assertRaises(NotImplementedError, useless.utcoffset, dt) |
| self.assertRaises(NotImplementedError, useless.dst, dt) |
| |
| def test_subclass_must_override(self): |
| class NotEnough(tzinfo): |
| def __init__(self, offset, name): |
| self.__offset = offset |
| self.__name = name |
| self.assertTrue(issubclass(NotEnough, tzinfo)) |
| ne = NotEnough(3, "NotByALongShot") |
| self.assertIsInstance(ne, tzinfo) |
| |
| dt = datetime.now() |
| self.assertRaises(NotImplementedError, ne.tzname, dt) |
| self.assertRaises(NotImplementedError, ne.utcoffset, dt) |
| self.assertRaises(NotImplementedError, ne.dst, dt) |
| |
| def test_normal(self): |
| fo = FixedOffset(3, "Three") |
| self.assertIsInstance(fo, tzinfo) |
| for dt in datetime.now(), None: |
| self.assertEqual(fo.utcoffset(dt), timedelta(minutes=3)) |
| self.assertEqual(fo.tzname(dt), "Three") |
| self.assertEqual(fo.dst(dt), timedelta(minutes=42)) |
| |
| def test_pickling_base(self): |
| # There's no point to pickling tzinfo objects on their own (they |
| # carry no data), but they need to be picklable anyway else |
| # concrete subclasses can't be pickled. |
| orig = tzinfo.__new__(tzinfo) |
| self.assertIs(type(orig), tzinfo) |
| for pickler, unpickler, proto in pickle_choices: |
| green = pickler.dumps(orig, proto) |
| derived = unpickler.loads(green) |
| self.assertIs(type(derived), tzinfo) |
| |
| def test_pickling_subclass(self): |
| # Make sure we can pickle/unpickle an instance of a subclass. |
| offset = timedelta(minutes=-300) |
| for otype, args in [ |
| (PicklableFixedOffset, (offset, 'cookie')), |
| (timezone, (offset,)), |
| (timezone, (offset, "EST"))]: |
| orig = otype(*args) |
| oname = orig.tzname(None) |
| self.assertIsInstance(orig, tzinfo) |
| self.assertIs(type(orig), otype) |
| self.assertEqual(orig.utcoffset(None), offset) |
| self.assertEqual(orig.tzname(None), oname) |
| for pickler, unpickler, proto in pickle_choices: |
| green = pickler.dumps(orig, proto) |
| derived = unpickler.loads(green) |
| self.assertIsInstance(derived, tzinfo) |
| self.assertIs(type(derived), otype) |
| self.assertEqual(derived.utcoffset(None), offset) |
| self.assertEqual(derived.tzname(None), oname) |
| |
| class TestTimeZone(unittest.TestCase): |
| |
| def setUp(self): |
| self.ACDT = timezone(timedelta(hours=9.5), 'ACDT') |
| self.EST = timezone(-timedelta(hours=5), 'EST') |
| self.DT = datetime(2010, 1, 1) |
| |
| def test_str(self): |
| for tz in [self.ACDT, self.EST, timezone.utc, |
| timezone.min, timezone.max]: |
| self.assertEqual(str(tz), tz.tzname(None)) |
| |
| def test_repr(self): |
| datetime = datetime_module |
| for tz in [self.ACDT, self.EST, timezone.utc, |
| timezone.min, timezone.max]: |
| # test round-trip |
| tzrep = repr(tz) |
| self.assertEqual(tz, eval(tzrep)) |
| |
| |
| def test_class_members(self): |
| limit = timedelta(hours=23, minutes=59) |
| self.assertEqual(timezone.utc.utcoffset(None), ZERO) |
| self.assertEqual(timezone.min.utcoffset(None), -limit) |
| self.assertEqual(timezone.max.utcoffset(None), limit) |
| |
| |
| def test_constructor(self): |
| self.assertIs(timezone.utc, timezone(timedelta(0))) |
| self.assertIsNot(timezone.utc, timezone(timedelta(0), 'UTC')) |
| self.assertEqual(timezone.utc, timezone(timedelta(0), 'UTC')) |
| # invalid offsets |
| for invalid in [timedelta(microseconds=1), timedelta(1, 1), |
| timedelta(seconds=1), timedelta(1), -timedelta(1)]: |
| self.assertRaises(ValueError, timezone, invalid) |
| self.assertRaises(ValueError, timezone, -invalid) |
| |
| with self.assertRaises(TypeError): timezone(None) |
| with self.assertRaises(TypeError): timezone(42) |
| with self.assertRaises(TypeError): timezone(ZERO, None) |
| with self.assertRaises(TypeError): timezone(ZERO, 42) |
| with self.assertRaises(TypeError): timezone(ZERO, 'ABC', 'extra') |
| |
| def test_inheritance(self): |
| self.assertIsInstance(timezone.utc, tzinfo) |
| self.assertIsInstance(self.EST, tzinfo) |
| |
| def test_utcoffset(self): |
| dummy = self.DT |
| for h in [0, 1.5, 12]: |
| offset = h * HOUR |
| self.assertEqual(offset, timezone(offset).utcoffset(dummy)) |
| self.assertEqual(-offset, timezone(-offset).utcoffset(dummy)) |
| |
| with self.assertRaises(TypeError): self.EST.utcoffset('') |
| with self.assertRaises(TypeError): self.EST.utcoffset(5) |
| |
| |
| def test_dst(self): |
| self.assertIsNone(timezone.utc.dst(self.DT)) |
| |
| with self.assertRaises(TypeError): self.EST.dst('') |
| with self.assertRaises(TypeError): self.EST.dst(5) |
| |
| def test_tzname(self): |
| self.assertEqual('UTC+00:00', timezone(ZERO).tzname(None)) |
| self.assertEqual('UTC-05:00', timezone(-5 * HOUR).tzname(None)) |
| self.assertEqual('UTC+09:30', timezone(9.5 * HOUR).tzname(None)) |
| self.assertEqual('UTC-00:01', timezone(timedelta(minutes=-1)).tzname(None)) |
| self.assertEqual('XYZ', timezone(-5 * HOUR, 'XYZ').tzname(None)) |
| |
| with self.assertRaises(TypeError): self.EST.tzname('') |
| with self.assertRaises(TypeError): self.EST.tzname(5) |
| |
| def test_fromutc(self): |
| with self.assertRaises(ValueError): |
| timezone.utc.fromutc(self.DT) |
| with self.assertRaises(TypeError): |
| timezone.utc.fromutc('not datetime') |
| for tz in [self.EST, self.ACDT, Eastern]: |
| utctime = self.DT.replace(tzinfo=tz) |
| local = tz.fromutc(utctime) |
| self.assertEqual(local - utctime, tz.utcoffset(local)) |
| self.assertEqual(local, |
| self.DT.replace(tzinfo=timezone.utc)) |
| |
| def test_comparison(self): |
| self.assertNotEqual(timezone(ZERO), timezone(HOUR)) |
| self.assertEqual(timezone(HOUR), timezone(HOUR)) |
| self.assertEqual(timezone(-5 * HOUR), timezone(-5 * HOUR, 'EST')) |
| with self.assertRaises(TypeError): timezone(ZERO) < timezone(ZERO) |
| self.assertIn(timezone(ZERO), {timezone(ZERO)}) |
| self.assertTrue(timezone(ZERO) != None) |
| self.assertFalse(timezone(ZERO) == None) |
| |
| def test_aware_datetime(self): |
| # test that timezone instances can be used by datetime |
| t = datetime(1, 1, 1) |
| for tz in [timezone.min, timezone.max, timezone.utc]: |
| self.assertEqual(tz.tzname(t), |
| t.replace(tzinfo=tz).tzname()) |
| self.assertEqual(tz.utcoffset(t), |
| t.replace(tzinfo=tz).utcoffset()) |
| self.assertEqual(tz.dst(t), |
| t.replace(tzinfo=tz).dst()) |
| |
| ############################################################################# |
| # Base class for testing a particular aspect of timedelta, time, date and |
| # datetime comparisons. |
| |
| class HarmlessMixedComparison: |
| # Test that __eq__ and __ne__ don't complain for mixed-type comparisons. |
| |
| # Subclasses must define 'theclass', and theclass(1, 1, 1) must be a |
| # legit constructor. |
| |
| def test_harmless_mixed_comparison(self): |
| me = self.theclass(1, 1, 1) |
| |
| self.assertFalse(me == ()) |
| self.assertTrue(me != ()) |
| self.assertFalse(() == me) |
| self.assertTrue(() != me) |
| |
| self.assertIn(me, [1, 20, [], me]) |
| self.assertIn([], [me, 1, 20, []]) |
| |
| def test_harmful_mixed_comparison(self): |
| me = self.theclass(1, 1, 1) |
| |
| self.assertRaises(TypeError, lambda: me < ()) |
| self.assertRaises(TypeError, lambda: me <= ()) |
| self.assertRaises(TypeError, lambda: me > ()) |
| self.assertRaises(TypeError, lambda: me >= ()) |
| |
| self.assertRaises(TypeError, lambda: () < me) |
| self.assertRaises(TypeError, lambda: () <= me) |
| self.assertRaises(TypeError, lambda: () > me) |
| self.assertRaises(TypeError, lambda: () >= me) |
| |
| ############################################################################# |
| # timedelta tests |
| |
| class TestTimeDelta(HarmlessMixedComparison, unittest.TestCase): |
| |
| theclass = timedelta |
| |
| def test_constructor(self): |
| eq = self.assertEqual |
| td = timedelta |
| |
| # Check keyword args to constructor |
| eq(td(), td(weeks=0, days=0, hours=0, minutes=0, seconds=0, |
| milliseconds=0, microseconds=0)) |
| eq(td(1), td(days=1)) |
| eq(td(0, 1), td(seconds=1)) |
| eq(td(0, 0, 1), td(microseconds=1)) |
| eq(td(weeks=1), td(days=7)) |
| eq(td(days=1), td(hours=24)) |
| eq(td(hours=1), td(minutes=60)) |
| eq(td(minutes=1), td(seconds=60)) |
| eq(td(seconds=1), td(milliseconds=1000)) |
| eq(td(milliseconds=1), td(microseconds=1000)) |
| |
| # Check float args to constructor |
| eq(td(weeks=1.0/7), td(days=1)) |
| eq(td(days=1.0/24), td(hours=1)) |
| eq(td(hours=1.0/60), td(minutes=1)) |
| eq(td(minutes=1.0/60), td(seconds=1)) |
| eq(td(seconds=0.001), td(milliseconds=1)) |
| eq(td(milliseconds=0.001), td(microseconds=1)) |
| |
| def test_computations(self): |
| eq = self.assertEqual |
| td = timedelta |
| |
| a = td(7) # One week |
| b = td(0, 60) # One minute |
| c = td(0, 0, 1000) # One millisecond |
| eq(a+b+c, td(7, 60, 1000)) |
| eq(a-b, td(6, 24*3600 - 60)) |
| eq(b.__rsub__(a), td(6, 24*3600 - 60)) |
| eq(-a, td(-7)) |
| eq(+a, td(7)) |
| eq(-b, td(-1, 24*3600 - 60)) |
| eq(-c, td(-1, 24*3600 - 1, 999000)) |
| eq(abs(a), a) |
| eq(abs(-a), a) |
| eq(td(6, 24*3600), a) |
| eq(td(0, 0, 60*1000000), b) |
| eq(a*10, td(70)) |
| eq(a*10, 10*a) |
| eq(a*10, 10*a) |
| eq(b*10, td(0, 600)) |
| eq(10*b, td(0, 600)) |
| eq(b*10, td(0, 600)) |
| eq(c*10, td(0, 0, 10000)) |
| eq(10*c, td(0, 0, 10000)) |
| eq(c*10, td(0, 0, 10000)) |
| eq(a*-1, -a) |
| eq(b*-2, -b-b) |
| eq(c*-2, -c+-c) |
| eq(b*(60*24), (b*60)*24) |
| eq(b*(60*24), (60*b)*24) |
| eq(c*1000, td(0, 1)) |
| eq(1000*c, td(0, 1)) |
| eq(a//7, td(1)) |
| eq(b//10, td(0, 6)) |
| eq(c//1000, td(0, 0, 1)) |
| eq(a//10, td(0, 7*24*360)) |
| eq(a//3600000, td(0, 0, 7*24*1000)) |
| eq(a/0.5, td(14)) |
| eq(b/0.5, td(0, 120)) |
| eq(a/7, td(1)) |
| eq(b/10, td(0, 6)) |
| eq(c/1000, td(0, 0, 1)) |
| eq(a/10, td(0, 7*24*360)) |
| eq(a/3600000, td(0, 0, 7*24*1000)) |
| |
| # Multiplication by float |
| us = td(microseconds=1) |
| eq((3*us) * 0.5, 2*us) |
| eq((5*us) * 0.5, 2*us) |
| eq(0.5 * (3*us), 2*us) |
| eq(0.5 * (5*us), 2*us) |
| eq((-3*us) * 0.5, -2*us) |
| eq((-5*us) * 0.5, -2*us) |
| |
| # Division by int and float |
| eq((3*us) / 2, 2*us) |
| eq((5*us) / 2, 2*us) |
| eq((-3*us) / 2.0, -2*us) |
| eq((-5*us) / 2.0, -2*us) |
| eq((3*us) / -2, -2*us) |
| eq((5*us) / -2, -2*us) |
| eq((3*us) / -2.0, -2*us) |
| eq((5*us) / -2.0, -2*us) |
| for i in range(-10, 10): |
| eq((i*us/3)//us, round(i/3)) |
| for i in range(-10, 10): |
| eq((i*us/-3)//us, round(i/-3)) |
| |
| # Issue #11576 |
| eq(td(999999999, 86399, 999999) - td(999999999, 86399, 999998), |
| td(0, 0, 1)) |
| eq(td(999999999, 1, 1) - td(999999999, 1, 0), |
| td(0, 0, 1)) |
| |
| def test_disallowed_computations(self): |
| a = timedelta(42) |
| |
| # Add/sub ints or floats should be illegal |
| for i in 1, 1.0: |
| self.assertRaises(TypeError, lambda: a+i) |
| self.assertRaises(TypeError, lambda: a-i) |
| self.assertRaises(TypeError, lambda: i+a) |
| self.assertRaises(TypeError, lambda: i-a) |
| |
| # Division of int by timedelta doesn't make sense. |
| # Division by zero doesn't make sense. |
| zero = 0 |
| self.assertRaises(TypeError, lambda: zero // a) |
| self.assertRaises(ZeroDivisionError, lambda: a // zero) |
| self.assertRaises(ZeroDivisionError, lambda: a / zero) |
| self.assertRaises(ZeroDivisionError, lambda: a / 0.0) |
| self.assertRaises(TypeError, lambda: a / '') |
| |
| @support.requires_IEEE_754 |
| def test_disallowed_special(self): |
| a = timedelta(42) |
| self.assertRaises(ValueError, a.__mul__, NAN) |
| self.assertRaises(ValueError, a.__truediv__, NAN) |
| |
| def test_basic_attributes(self): |
| days, seconds, us = 1, 7, 31 |
| td = timedelta(days, seconds, us) |
| self.assertEqual(td.days, days) |
| self.assertEqual(td.seconds, seconds) |
| self.assertEqual(td.microseconds, us) |
| |
| def test_total_seconds(self): |
| td = timedelta(days=365) |
| self.assertEqual(td.total_seconds(), 31536000.0) |
| for total_seconds in [123456.789012, -123456.789012, 0.123456, 0, 1e6]: |
| td = timedelta(seconds=total_seconds) |
| self.assertEqual(td.total_seconds(), total_seconds) |
| # Issue8644: Test that td.total_seconds() has the same |
| # accuracy as td / timedelta(seconds=1). |
| for ms in [-1, -2, -123]: |
| td = timedelta(microseconds=ms) |
| self.assertEqual(td.total_seconds(), td / timedelta(seconds=1)) |
| |
| def test_carries(self): |
| t1 = timedelta(days=100, |
| weeks=-7, |
| hours=-24*(100-49), |
| minutes=-3, |
| seconds=12, |
| microseconds=(3*60 - 12) * 1e6 + 1) |
| t2 = timedelta(microseconds=1) |
| self.assertEqual(t1, t2) |
| |
| def test_hash_equality(self): |
| t1 = timedelta(days=100, |
| weeks=-7, |
| hours=-24*(100-49), |
| minutes=-3, |
| seconds=12, |
| microseconds=(3*60 - 12) * 1000000) |
| t2 = timedelta() |
| self.assertEqual(hash(t1), hash(t2)) |
| |
| t1 += timedelta(weeks=7) |
| t2 += timedelta(days=7*7) |
| self.assertEqual(t1, t2) |
| self.assertEqual(hash(t1), hash(t2)) |
| |
| d = {t1: 1} |
| d[t2] = 2 |
| self.assertEqual(len(d), 1) |
| self.assertEqual(d[t1], 2) |
| |
| def test_pickling(self): |
| args = 12, 34, 56 |
| orig = timedelta(*args) |
| for pickler, unpickler, proto in pickle_choices: |
| green = pickler.dumps(orig, proto) |
| derived = unpickler.loads(green) |
| self.assertEqual(orig, derived) |
| |
| def test_compare(self): |
| t1 = timedelta(2, 3, 4) |
| t2 = timedelta(2, 3, 4) |
| self.assertEqual(t1, t2) |
| self.assertTrue(t1 <= t2) |
| self.assertTrue(t1 >= t2) |
| self.assertFalse(t1 != t2) |
| self.assertFalse(t1 < t2) |
| self.assertFalse(t1 > t2) |
| |
| for args in (3, 3, 3), (2, 4, 4), (2, 3, 5): |
| t2 = timedelta(*args) # this is larger than t1 |
| self.assertTrue(t1 < t2) |
| self.assertTrue(t2 > t1) |
| self.assertTrue(t1 <= t2) |
| self.assertTrue(t2 >= t1) |
| self.assertTrue(t1 != t2) |
| self.assertTrue(t2 != t1) |
| self.assertFalse(t1 == t2) |
| self.assertFalse(t2 == t1) |
| self.assertFalse(t1 > t2) |
| self.assertFalse(t2 < t1) |
| self.assertFalse(t1 >= t2) |
| self.assertFalse(t2 <= t1) |
| |
| for badarg in OTHERSTUFF: |
| self.assertEqual(t1 == badarg, False) |
| self.assertEqual(t1 != badarg, True) |
| self.assertEqual(badarg == t1, False) |
| self.assertEqual(badarg != t1, True) |
| |
| self.assertRaises(TypeError, lambda: t1 <= badarg) |
| self.assertRaises(TypeError, lambda: t1 < badarg) |
| self.assertRaises(TypeError, lambda: t1 > badarg) |
| self.assertRaises(TypeError, lambda: t1 >= badarg) |
| self.assertRaises(TypeError, lambda: badarg <= t1) |
| self.assertRaises(TypeError, lambda: badarg < t1) |
| self.assertRaises(TypeError, lambda: badarg > t1) |
| self.assertRaises(TypeError, lambda: badarg >= t1) |
| |
| def test_str(self): |
| td = timedelta |
| eq = self.assertEqual |
| |
| eq(str(td(1)), "1 day, 0:00:00") |
| eq(str(td(-1)), "-1 day, 0:00:00") |
| eq(str(td(2)), "2 days, 0:00:00") |
| eq(str(td(-2)), "-2 days, 0:00:00") |
| |
| eq(str(td(hours=12, minutes=58, seconds=59)), "12:58:59") |
| eq(str(td(hours=2, minutes=3, seconds=4)), "2:03:04") |
| eq(str(td(weeks=-30, hours=23, minutes=12, seconds=34)), |
| "-210 days, 23:12:34") |
| |
| eq(str(td(milliseconds=1)), "0:00:00.001000") |
| eq(str(td(microseconds=3)), "0:00:00.000003") |
| |
| eq(str(td(days=999999999, hours=23, minutes=59, seconds=59, |
| microseconds=999999)), |
| "999999999 days, 23:59:59.999999") |
| |
| def test_repr(self): |
| name = 'datetime.' + self.theclass.__name__ |
| self.assertEqual(repr(self.theclass(1)), |
| "%s(1)" % name) |
| self.assertEqual(repr(self.theclass(10, 2)), |
| "%s(10, 2)" % name) |
| self.assertEqual(repr(self.theclass(-10, 2, 400000)), |
| "%s(-10, 2, 400000)" % name) |
| |
| def test_roundtrip(self): |
| for td in (timedelta(days=999999999, hours=23, minutes=59, |
| seconds=59, microseconds=999999), |
| timedelta(days=-999999999), |
| timedelta(days=-999999999, seconds=1), |
| timedelta(days=1, seconds=2, microseconds=3)): |
| |
| # Verify td -> string -> td identity. |
| s = repr(td) |
| self.assertTrue(s.startswith('datetime.')) |
| s = s[9:] |
| td2 = eval(s) |
| self.assertEqual(td, td2) |
| |
| # Verify identity via reconstructing from pieces. |
| td2 = timedelta(td.days, td.seconds, td.microseconds) |
| self.assertEqual(td, td2) |
| |
| def test_resolution_info(self): |
| self.assertIsInstance(timedelta.min, timedelta) |
| self.assertIsInstance(timedelta.max, timedelta) |
| self.assertIsInstance(timedelta.resolution, timedelta) |
| self.assertTrue(timedelta.max > timedelta.min) |
| self.assertEqual(timedelta.min, timedelta(-999999999)) |
| self.assertEqual(timedelta.max, timedelta(999999999, 24*3600-1, 1e6-1)) |
| self.assertEqual(timedelta.resolution, timedelta(0, 0, 1)) |
| |
| def test_overflow(self): |
| tiny = timedelta.resolution |
| |
| td = timedelta.min + tiny |
| td -= tiny # no problem |
| self.assertRaises(OverflowError, td.__sub__, tiny) |
| self.assertRaises(OverflowError, td.__add__, -tiny) |
| |
| td = timedelta.max - tiny |
| td += tiny # no problem |
| self.assertRaises(OverflowError, td.__add__, tiny) |
| self.assertRaises(OverflowError, td.__sub__, -tiny) |
| |
| self.assertRaises(OverflowError, lambda: -timedelta.max) |
| |
| day = timedelta(1) |
| self.assertRaises(OverflowError, day.__mul__, 10**9) |
| self.assertRaises(OverflowError, day.__mul__, 1e9) |
| self.assertRaises(OverflowError, day.__truediv__, 1e-20) |
| self.assertRaises(OverflowError, day.__truediv__, 1e-10) |
| self.assertRaises(OverflowError, day.__truediv__, 9e-10) |
| |
| @support.requires_IEEE_754 |
| def _test_overflow_special(self): |
| day = timedelta(1) |
| self.assertRaises(OverflowError, day.__mul__, INF) |
| self.assertRaises(OverflowError, day.__mul__, -INF) |
| |
| def test_microsecond_rounding(self): |
| td = timedelta |
| eq = self.assertEqual |
| |
| # Single-field rounding. |
| eq(td(milliseconds=0.4/1000), td(0)) # rounds to 0 |
| eq(td(milliseconds=-0.4/1000), td(0)) # rounds to 0 |
| eq(td(milliseconds=0.6/1000), td(microseconds=1)) |
| eq(td(milliseconds=-0.6/1000), td(microseconds=-1)) |
| |
| # Rounding due to contributions from more than one field. |
| us_per_hour = 3600e6 |
| us_per_day = us_per_hour * 24 |
| eq(td(days=.4/us_per_day), td(0)) |
| eq(td(hours=.2/us_per_hour), td(0)) |
| eq(td(days=.4/us_per_day, hours=.2/us_per_hour), td(microseconds=1)) |
| |
| eq(td(days=-.4/us_per_day), td(0)) |
| eq(td(hours=-.2/us_per_hour), td(0)) |
| eq(td(days=-.4/us_per_day, hours=-.2/us_per_hour), td(microseconds=-1)) |
| |
| # Test for a patch in Issue 8860 |
| eq(td(microseconds=0.5), 0.5*td(microseconds=1.0)) |
| eq(td(microseconds=0.5)//td.resolution, 0.5*td.resolution//td.resolution) |
| |
| def test_massive_normalization(self): |
| td = timedelta(microseconds=-1) |
| self.assertEqual((td.days, td.seconds, td.microseconds), |
| (-1, 24*3600-1, 999999)) |
| |
| def test_bool(self): |
| self.assertTrue(timedelta(1)) |
| self.assertTrue(timedelta(0, 1)) |
| self.assertTrue(timedelta(0, 0, 1)) |
| self.assertTrue(timedelta(microseconds=1)) |
| self.assertFalse(timedelta(0)) |
| |
| def test_subclass_timedelta(self): |
| |
| class T(timedelta): |
| @staticmethod |
| def from_td(td): |
| return T(td.days, td.seconds, td.microseconds) |
| |
| def as_hours(self): |
| sum = (self.days * 24 + |
| self.seconds / 3600.0 + |
| self.microseconds / 3600e6) |
| return round(sum) |
| |
| t1 = T(days=1) |
| self.assertIs(type(t1), T) |
| self.assertEqual(t1.as_hours(), 24) |
| |
| t2 = T(days=-1, seconds=-3600) |
| self.assertIs(type(t2), T) |
| self.assertEqual(t2.as_hours(), -25) |
| |
| t3 = t1 + t2 |
| self.assertIs(type(t3), timedelta) |
| t4 = T.from_td(t3) |
| self.assertIs(type(t4), T) |
| self.assertEqual(t3.days, t4.days) |
| self.assertEqual(t3.seconds, t4.seconds) |
| self.assertEqual(t3.microseconds, t4.microseconds) |
| self.assertEqual(str(t3), str(t4)) |
| self.assertEqual(t4.as_hours(), -1) |
| |
| def test_division(self): |
| t = timedelta(hours=1, minutes=24, seconds=19) |
| second = timedelta(seconds=1) |
| self.assertEqual(t / second, 5059.0) |
| self.assertEqual(t // second, 5059) |
| |
| t = timedelta(minutes=2, seconds=30) |
| minute = timedelta(minutes=1) |
| self.assertEqual(t / minute, 2.5) |
| self.assertEqual(t // minute, 2) |
| |
| zerotd = timedelta(0) |
| self.assertRaises(ZeroDivisionError, truediv, t, zerotd) |
| self.assertRaises(ZeroDivisionError, floordiv, t, zerotd) |
| |
| # self.assertRaises(TypeError, truediv, t, 2) |
| # note: floor division of a timedelta by an integer *is* |
| # currently permitted. |
| |
| def test_remainder(self): |
| t = timedelta(minutes=2, seconds=30) |
| minute = timedelta(minutes=1) |
| r = t % minute |
| self.assertEqual(r, timedelta(seconds=30)) |
| |
| t = timedelta(minutes=-2, seconds=30) |
| r = t % minute |
| self.assertEqual(r, timedelta(seconds=30)) |
| |
| zerotd = timedelta(0) |
| self.assertRaises(ZeroDivisionError, mod, t, zerotd) |
| |
| self.assertRaises(TypeError, mod, t, 10) |
| |
| def test_divmod(self): |
| t = timedelta(minutes=2, seconds=30) |
| minute = timedelta(minutes=1) |
| q, r = divmod(t, minute) |
| self.assertEqual(q, 2) |
| self.assertEqual(r, timedelta(seconds=30)) |
| |
| t = timedelta(minutes=-2, seconds=30) |
| q, r = divmod(t, minute) |
| self.assertEqual(q, -2) |
| self.assertEqual(r, timedelta(seconds=30)) |
| |
| zerotd = timedelta(0) |
| self.assertRaises(ZeroDivisionError, divmod, t, zerotd) |
| |
| self.assertRaises(TypeError, divmod, t, 10) |
| |
| |
| ############################################################################# |
| # date tests |
| |
| class TestDateOnly(unittest.TestCase): |
| # Tests here won't pass if also run on datetime objects, so don't |
| # subclass this to test datetimes too. |
| |
| def test_delta_non_days_ignored(self): |
| dt = date(2000, 1, 2) |
| delta = timedelta(days=1, hours=2, minutes=3, seconds=4, |
| microseconds=5) |
| days = timedelta(delta.days) |
| self.assertEqual(days, timedelta(1)) |
| |
| dt2 = dt + delta |
| self.assertEqual(dt2, dt + days) |
| |
| dt2 = delta + dt |
| self.assertEqual(dt2, dt + days) |
| |
| dt2 = dt - delta |
| self.assertEqual(dt2, dt - days) |
| |
| delta = -delta |
| days = timedelta(delta.days) |
| self.assertEqual(days, timedelta(-2)) |
| |
| dt2 = dt + delta |
| self.assertEqual(dt2, dt + days) |
| |
| dt2 = delta + dt |
| self.assertEqual(dt2, dt + days) |
| |
| dt2 = dt - delta |
| self.assertEqual(dt2, dt - days) |
| |
| class SubclassDate(date): |
| sub_var = 1 |
| |
| class TestDate(HarmlessMixedComparison, unittest.TestCase): |
| # Tests here should pass for both dates and datetimes, except for a |
| # few tests that TestDateTime overrides. |
| |
| theclass = date |
| |
| def test_basic_attributes(self): |
| dt = self.theclass(2002, 3, 1) |
| self.assertEqual(dt.year, 2002) |
| self.assertEqual(dt.month, 3) |
| self.assertEqual(dt.day, 1) |
| |
| def test_roundtrip(self): |
| for dt in (self.theclass(1, 2, 3), |
| self.theclass.today()): |
| # Verify dt -> string -> date identity. |
| s = repr(dt) |
| self.assertTrue(s.startswith('datetime.')) |
| s = s[9:] |
| dt2 = eval(s) |
| self.assertEqual(dt, dt2) |
| |
| # Verify identity via reconstructing from pieces. |
| dt2 = self.theclass(dt.year, dt.month, dt.day) |
| self.assertEqual(dt, dt2) |
| |
| def test_ordinal_conversions(self): |
| # Check some fixed values. |
| for y, m, d, n in [(1, 1, 1, 1), # calendar origin |
| (1, 12, 31, 365), |
| (2, 1, 1, 366), |
| # first example from "Calendrical Calculations" |
| (1945, 11, 12, 710347)]: |
| d = self.theclass(y, m, d) |
| self.assertEqual(n, d.toordinal()) |
| fromord = self.theclass.fromordinal(n) |
| self.assertEqual(d, fromord) |
| if hasattr(fromord, "hour"): |
| # if we're checking something fancier than a date, verify |
| # the extra fields have been zeroed out |
| self.assertEqual(fromord.hour, 0) |
| self.assertEqual(fromord.minute, 0) |
| self.assertEqual(fromord.second, 0) |
| self.assertEqual(fromord.microsecond, 0) |
| |
| # Check first and last days of year spottily across the whole |
| # range of years supported. |
| for year in range(MINYEAR, MAXYEAR+1, 7): |
| # Verify (year, 1, 1) -> ordinal -> y, m, d is identity. |
| d = self.theclass(year, 1, 1) |
| n = d.toordinal() |
| d2 = self.theclass.fromordinal(n) |
| self.assertEqual(d, d2) |
| # Verify that moving back a day gets to the end of year-1. |
| if year > 1: |
| d = self.theclass.fromordinal(n-1) |
| d2 = self.theclass(year-1, 12, 31) |
| self.assertEqual(d, d2) |
| self.assertEqual(d2.toordinal(), n-1) |
| |
| # Test every day in a leap-year and a non-leap year. |
| dim = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] |
| for year, isleap in (2000, True), (2002, False): |
| n = self.theclass(year, 1, 1).toordinal() |
| for month, maxday in zip(range(1, 13), dim): |
| if month == 2 and isleap: |
| maxday += 1 |
| for day in range(1, maxday+1): |
| d = self.theclass(year, month, day) |
| self.assertEqual(d.toordinal(), n) |
| self.assertEqual(d, self.theclass.fromordinal(n)) |
| n += 1 |
| |
| def test_extreme_ordinals(self): |
| a = self.theclass.min |
| a = self.theclass(a.year, a.month, a.day) # get rid of time parts |
| aord = a.toordinal() |
| b = a.fromordinal(aord) |
| self.assertEqual(a, b) |
| |
| self.assertRaises(ValueError, lambda: a.fromordinal(aord - 1)) |
| |
| b = a + timedelta(days=1) |
| self.assertEqual(b.toordinal(), aord + 1) |
| self.assertEqual(b, self.theclass.fromordinal(aord + 1)) |
| |
| a = self.theclass.max |
| a = self.theclass(a.year, a.month, a.day) # get rid of time parts |
| aord = a.toordinal() |
| b = a.fromordinal(aord) |
| self.assertEqual(a, b) |
| |
| self.assertRaises(ValueError, lambda: a.fromordinal(aord + 1)) |
| |
| b = a - timedelta(days=1) |
| self.assertEqual(b.toordinal(), aord - 1) |
| self.assertEqual(b, self.theclass.fromordinal(aord - 1)) |
| |
| def test_bad_constructor_arguments(self): |
| # bad years |
| self.theclass(MINYEAR, 1, 1) # no exception |
| self.theclass(MAXYEAR, 1, 1) # no exception |
| self.assertRaises(ValueError, self.theclass, MINYEAR-1, 1, 1) |
| self.assertRaises(ValueError, self.theclass, MAXYEAR+1, 1, 1) |
| # bad months |
| self.theclass(2000, 1, 1) # no exception |
| self.theclass(2000, 12, 1) # no exception |
| self.assertRaises(ValueError, self.theclass, 2000, 0, 1) |
| self.assertRaises(ValueError, self.theclass, 2000, 13, 1) |
| # bad days |
| self.theclass(2000, 2, 29) # no exception |
| self.theclass(2004, 2, 29) # no exception |
| self.theclass(2400, 2, 29) # no exception |
| self.assertRaises(ValueError, self.theclass, 2000, 2, 30) |
| self.assertRaises(ValueError, self.theclass, 2001, 2, 29) |
| self.assertRaises(ValueError, self.theclass, 2100, 2, 29) |
| self.assertRaises(ValueError, self.theclass, 1900, 2, 29) |
| self.assertRaises(ValueError, self.theclass, 2000, 1, 0) |
| self.assertRaises(ValueError, self.theclass, 2000, 1, 32) |
| |
| def test_hash_equality(self): |
| d = self.theclass(2000, 12, 31) |
| # same thing |
| e = self.theclass(2000, 12, 31) |
| self.assertEqual(d, e) |
| self.assertEqual(hash(d), hash(e)) |
| |
| dic = {d: 1} |
| dic[e] = 2 |
| self.assertEqual(len(dic), 1) |
| self.assertEqual(dic[d], 2) |
| self.assertEqual(dic[e], 2) |
| |
| d = self.theclass(2001, 1, 1) |
| # same thing |
| e = self.theclass(2001, 1, 1) |
| self.assertEqual(d, e) |
| self.assertEqual(hash(d), hash(e)) |
| |
| dic = {d: 1} |
| dic[e] = 2 |
| self.assertEqual(len(dic), 1) |
| self.assertEqual(dic[d], 2) |
| self.assertEqual(dic[e], 2) |
| |
| def test_computations(self): |
| a = self.theclass(2002, 1, 31) |
| b = self.theclass(1956, 1, 31) |
| c = self.theclass(2001,2,1) |
| |
| diff = a-b |
| self.assertEqual(diff.days, 46*365 + len(range(1956, 2002, 4))) |
| self.assertEqual(diff.seconds, 0) |
| self.assertEqual(diff.microseconds, 0) |
| |
| day = timedelta(1) |
| week = timedelta(7) |
| a = self.theclass(2002, 3, 2) |
| self.assertEqual(a + day, self.theclass(2002, 3, 3)) |
| self.assertEqual(day + a, self.theclass(2002, 3, 3)) |
| self.assertEqual(a - day, self.theclass(2002, 3, 1)) |
| self.assertEqual(-day + a, self.theclass(2002, 3, 1)) |
| self.assertEqual(a + week, self.theclass(2002, 3, 9)) |
| self.assertEqual(a - week, self.theclass(2002, 2, 23)) |
| self.assertEqual(a + 52*week, self.theclass(2003, 3, 1)) |
| self.assertEqual(a - 52*week, self.theclass(2001, 3, 3)) |
| self.assertEqual((a + week) - a, week) |
| self.assertEqual((a + day) - a, day) |
| self.assertEqual((a - week) - a, -week) |
| self.assertEqual((a - day) - a, -day) |
| self.assertEqual(a - (a + week), -week) |
| self.assertEqual(a - (a + day), -day) |
| self.assertEqual(a - (a - week), week) |
| self.assertEqual(a - (a - day), day) |
| self.assertEqual(c - (c - day), day) |
| |
| # Add/sub ints or floats should be illegal |
| for i in 1, 1.0: |
| self.assertRaises(TypeError, lambda: a+i) |
| self.assertRaises(TypeError, lambda: a-i) |
| self.assertRaises(TypeError, lambda: i+a) |
| self.assertRaises(TypeError, lambda: i-a) |
| |
| # delta - date is senseless. |
| self.assertRaises(TypeError, lambda: day - a) |
| # mixing date and (delta or date) via * or // is senseless |
| self.assertRaises(TypeError, lambda: day * a) |
| self.assertRaises(TypeError, lambda: a * day) |
| self.assertRaises(TypeError, lambda: day // a) |
| self.assertRaises(TypeError, lambda: a // day) |
| self.assertRaises(TypeError, lambda: a * a) |
| self.assertRaises(TypeError, lambda: a // a) |
| # date + date is senseless |
| self.assertRaises(TypeError, lambda: a + a) |
| |
| def test_overflow(self): |
| tiny = self.theclass.resolution |
| |
| for delta in [tiny, timedelta(1), timedelta(2)]: |
| dt = self.theclass.min + delta |
| dt -= delta # no problem |
| self.assertRaises(OverflowError, dt.__sub__, delta) |
| self.assertRaises(OverflowError, dt.__add__, -delta) |
| |
| dt = self.theclass.max - delta |
| dt += delta # no problem |
| self.assertRaises(OverflowError, dt.__add__, delta) |
| self.assertRaises(OverflowError, dt.__sub__, -delta) |
| |
| def test_fromtimestamp(self): |
| import time |
| |
| # Try an arbitrary fixed value. |
| year, month, day = 1999, 9, 19 |
| ts = time.mktime((year, month, day, 0, 0, 0, 0, 0, -1)) |
| d = self.theclass.fromtimestamp(ts) |
| self.assertEqual(d.year, year) |
| self.assertEqual(d.month, month) |
| self.assertEqual(d.day, day) |
| |
| def test_insane_fromtimestamp(self): |
| # It's possible that some platform maps time_t to double, |
| # and that this test will fail there. This test should |
| # exempt such platforms (provided they return reasonable |
| # results!). |
| for insane in -1e200, 1e200: |
| self.assertRaises(OverflowError, self.theclass.fromtimestamp, |
| insane) |
| |
| def test_today(self): |
| import time |
| |
| # We claim that today() is like fromtimestamp(time.time()), so |
| # prove it. |
| for dummy in range(3): |
| today = self.theclass.today() |
| ts = time.time() |
| todayagain = self.theclass.fromtimestamp(ts) |
| if today == todayagain: |
| break |
| # There are several legit reasons that could fail: |
| # 1. It recently became midnight, between the today() and the |
| # time() calls. |
| # 2. The platform time() has such fine resolution that we'll |
| # never get the same value twice. |
| # 3. The platform time() has poor resolution, and we just |
| # happened to call today() right before a resolution quantum |
| # boundary. |
| # 4. The system clock got fiddled between calls. |
| # In any case, wait a little while and try again. |
| time.sleep(0.1) |
| |
| # It worked or it didn't. If it didn't, assume it's reason #2, and |
| # let the test pass if they're within half a second of each other. |
| if today != todayagain: |
| self.assertAlmostEqual(todayagain, today, |
| delta=timedelta(seconds=0.5)) |
| |
| def test_weekday(self): |
| for i in range(7): |
| # March 4, 2002 is a Monday |
| self.assertEqual(self.theclass(2002, 3, 4+i).weekday(), i) |
| self.assertEqual(self.theclass(2002, 3, 4+i).isoweekday(), i+1) |
| # January 2, 1956 is a Monday |
| self.assertEqual(self.theclass(1956, 1, 2+i).weekday(), i) |
| self.assertEqual(self.theclass(1956, 1, 2+i).isoweekday(), i+1) |
| |
| def test_isocalendar(self): |
| # Check examples from |
| # http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm |
| for i in range(7): |
| d = self.theclass(2003, 12, 22+i) |
| self.assertEqual(d.isocalendar(), (2003, 52, i+1)) |
| d = self.theclass(2003, 12, 29) + timedelta(i) |
| self.assertEqual(d.isocalendar(), (2004, 1, i+1)) |
| d = self.theclass(2004, 1, 5+i) |
| self.assertEqual(d.isocalendar(), (2004, 2, i+1)) |
| d = self.theclass(2009, 12, 21+i) |
| self.assertEqual(d.isocalendar(), (2009, 52, i+1)) |
| d = self.theclass(2009, 12, 28) + timedelta(i) |
| self.assertEqual(d.isocalendar(), (2009, 53, i+1)) |
| d = self.theclass(2010, 1, 4+i) |
| self.assertEqual(d.isocalendar(), (2010, 1, i+1)) |
| |
| def test_iso_long_years(self): |
| # Calculate long ISO years and compare to table from |
| # http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm |
| ISO_LONG_YEARS_TABLE = """ |
| 4 32 60 88 |
| 9 37 65 93 |
| 15 43 71 99 |
| 20 48 76 |
| 26 54 82 |
| |
| 105 133 161 189 |
| 111 139 167 195 |
| 116 144 172 |
| 122 150 178 |
| 128 156 184 |
| |
| 201 229 257 285 |
| 207 235 263 291 |
| 212 240 268 296 |
| 218 246 274 |
| 224 252 280 |
| |
| 303 331 359 387 |
| 308 336 364 392 |
| 314 342 370 398 |
| 320 348 376 |
| 325 353 381 |
| """ |
| iso_long_years = sorted(map(int, ISO_LONG_YEARS_TABLE.split())) |
| L = [] |
| for i in range(400): |
| d = self.theclass(2000+i, 12, 31) |
| d1 = self.theclass(1600+i, 12, 31) |
| self.assertEqual(d.isocalendar()[1:], d1.isocalendar()[1:]) |
| if d.isocalendar()[1] == 53: |
| L.append(i) |
| self.assertEqual(L, iso_long_years) |
| |
| def test_isoformat(self): |
| t = self.theclass(2, 3, 2) |
| self.assertEqual(t.isoformat(), "0002-03-02") |
| |
| def test_ctime(self): |
| t = self.theclass(2002, 3, 2) |
| self.assertEqual(t.ctime(), "Sat Mar 2 00:00:00 2002") |
| |
| def test_strftime(self): |
| t = self.theclass(2005, 3, 2) |
| self.assertEqual(t.strftime("m:%m d:%d y:%y"), "m:03 d:02 y:05") |
| self.assertEqual(t.strftime(""), "") # SF bug #761337 |
| self.assertEqual(t.strftime('x'*1000), 'x'*1000) # SF bug #1556784 |
| |
| self.assertRaises(TypeError, t.strftime) # needs an arg |
| self.assertRaises(TypeError, t.strftime, "one", "two") # too many args |
| self.assertRaises(TypeError, t.strftime, 42) # arg wrong type |
| |
| # test that unicode input is allowed (issue 2782) |
| self.assertEqual(t.strftime("%m"), "03") |
| |
| # A naive object replaces %z and %Z w/ empty strings. |
| self.assertEqual(t.strftime("'%z' '%Z'"), "'' ''") |
| |
| #make sure that invalid format specifiers are handled correctly |
| #self.assertRaises(ValueError, t.strftime, "%e") |
| #self.assertRaises(ValueError, t.strftime, "%") |
| #self.assertRaises(ValueError, t.strftime, "%#") |
| |
| #oh well, some systems just ignore those invalid ones. |
| #at least, excercise them to make sure that no crashes |
| #are generated |
| for f in ["%e", "%", "%#"]: |
| try: |
| t.strftime(f) |
| except ValueError: |
| pass |
| |
| #check that this standard extension works |
| t.strftime("%f") |
| |
| |
| def test_format(self): |
| dt = self.theclass(2007, 9, 10) |
| self.assertEqual(dt.__format__(''), str(dt)) |
| |
| # check that a derived class's __str__() gets called |
| class A(self.theclass): |
| def __str__(self): |
| return 'A' |
| a = A(2007, 9, 10) |
| self.assertEqual(a.__format__(''), 'A') |
| |
| # check that a derived class's strftime gets called |
| class B(self.theclass): |
| def strftime(self, format_spec): |
| return 'B' |
| b = B(2007, 9, 10) |
| self.assertEqual(b.__format__(''), str(dt)) |
| |
| for fmt in ["m:%m d:%d y:%y", |
| "m:%m d:%d y:%y H:%H M:%M S:%S", |
| "%z %Z", |
| ]: |
| self.assertEqual(dt.__format__(fmt), dt.strftime(fmt)) |
| self.assertEqual(a.__format__(fmt), dt.strftime(fmt)) |
| self.assertEqual(b.__format__(fmt), 'B') |
| |
| def test_resolution_info(self): |
| # XXX: Should min and max respect subclassing? |
| if issubclass(self.theclass, datetime): |
| expected_class = datetime |
| else: |
| expected_class = date |
| self.assertIsInstance(self.theclass.min, expected_class) |
| self.assertIsInstance(self.theclass.max, expected_class) |
| self.assertIsInstance(self.theclass.resolution, timedelta) |
| self.assertTrue(self.theclass.max > self.theclass.min) |
| |
| def test_extreme_timedelta(self): |
| big = self.theclass.max - self.theclass.min |
| # 3652058 days, 23 hours, 59 minutes, 59 seconds, 999999 microseconds |
| n = (big.days*24*3600 + big.seconds)*1000000 + big.microseconds |
| # n == 315537897599999999 ~= 2**58.13 |
| justasbig = timedelta(0, 0, n) |
| self.assertEqual(big, justasbig) |
| self.assertEqual(self.theclass.min + big, self.theclass.max) |
| self.assertEqual(self.theclass.max - big, self.theclass.min) |
| |
| def test_timetuple(self): |
| for i in range(7): |
| # January 2, 1956 is a Monday (0) |
| d = self.theclass(1956, 1, 2+i) |
| t = d.timetuple() |
| self.assertEqual(t, (1956, 1, 2+i, 0, 0, 0, i, 2+i, -1)) |
| # February 1, 1956 is a Wednesday (2) |
| d = self.theclass(1956, 2, 1+i) |
| t = d.timetuple() |
| self.assertEqual(t, (1956, 2, 1+i, 0, 0, 0, (2+i)%7, 32+i, -1)) |
| # March 1, 1956 is a Thursday (3), and is the 31+29+1 = 61st day |
| # of the year. |
| d = self.theclass(1956, 3, 1+i) |
| t = d.timetuple() |
| self.assertEqual(t, (1956, 3, 1+i, 0, 0, 0, (3+i)%7, 61+i, -1)) |
| self.assertEqual(t.tm_year, 1956) |
| self.assertEqual(t.tm_mon, 3) |
| self.assertEqual(t.tm_mday, 1+i) |
| self.assertEqual(t.tm_hour, 0) |
| self.assertEqual(t.tm_min, 0) |
| self.assertEqual(t.tm_sec, 0) |
| self.assertEqual(t.tm_wday, (3+i)%7) |
| self.assertEqual(t.tm_yday, 61+i) |
| self.assertEqual(t.tm_isdst, -1) |
| |
| def test_pickling(self): |
| args = 6, 7, 23 |
| orig = self.theclass(*args) |
| for pickler, unpickler, proto in pickle_choices: |
| green = pickler.dumps(orig, proto) |
| derived = unpickler.loads(green) |
| self.assertEqual(orig, derived) |
| |
| def test_compare(self): |
| t1 = self.theclass(2, 3, 4) |
| t2 = self.theclass(2, 3, 4) |
| self.assertEqual(t1, t2) |
| self.assertTrue(t1 <= t2) |
| self.assertTrue(t1 >= t2) |
| self.assertFalse(t1 != t2) |
| self.assertFalse(t1 < t2) |
| self.assertFalse(t1 > t2) |
| |
| for args in (3, 3, 3), (2, 4, 4), (2, 3, 5): |
| t2 = self.theclass(*args) # this is larger than t1 |
| self.assertTrue(t1 < t2) |
| self.assertTrue(t2 > t1) |
| self.assertTrue(t1 <= t2) |
| self.assertTrue(t2 >= t1) |
| self.assertTrue(t1 != t2) |
| self.assertTrue(t2 != t1) |
| self.assertFalse(t1 == t2) |
| self.assertFalse(t2 == t1) |
| self.assertFalse(t1 > t2) |
| self.assertFalse(t2 < t1) |
| self.assertFalse(t1 >= t2) |
| self.assertFalse(t2 <= t1) |
| |
| for badarg in OTHERSTUFF: |
| self.assertEqual(t1 == badarg, False) |
| self.assertEqual(t1 != badarg, True) |
| self.assertEqual(badarg == t1, False) |
| self.assertEqual(badarg != t1, True) |
| |
| self.assertRaises(TypeError, lambda: t1 < badarg) |
| self.assertRaises(TypeError, lambda: t1 > badarg) |
| self.assertRaises(TypeError, lambda: t1 >= badarg) |
| self.assertRaises(TypeError, lambda: badarg <= t1) |
| self.assertRaises(TypeError, lambda: badarg < t1) |
| self.assertRaises(TypeError, lambda: badarg > t1) |
| self.assertRaises(TypeError, lambda: badarg >= t1) |
| |
| def test_mixed_compare(self): |
| our = self.theclass(2000, 4, 5) |
| |
| # Our class can be compared for equality to other classes |
| self.assertEqual(our == 1, False) |
| self.assertEqual(1 == our, False) |
| self.assertEqual(our != 1, True) |
| self.assertEqual(1 != our, True) |
| |
| # But the ordering is undefined |
| self.assertRaises(TypeError, lambda: our < 1) |
| self.assertRaises(TypeError, lambda: 1 < our) |
| |
| # Repeat those tests with a different class |
| |
| class SomeClass: |
| pass |
| |
| their = SomeClass() |
| self.assertEqual(our == their, False) |
| self.assertEqual(their == our, False) |
| self.assertEqual(our != their, True) |
| self.assertEqual(their != our, True) |
| self.assertRaises(TypeError, lambda: our < their) |
| self.assertRaises(TypeError, lambda: their < our) |
| |
| # However, if the other class explicitly defines ordering |
| # relative to our class, it is allowed to do so |
| |
| class LargerThanAnything: |
| def __lt__(self, other): |
| return False |
| def __le__(self, other): |
| return isinstance(other, LargerThanAnything) |
| def __eq__(self, other): |
| return isinstance(other, LargerThanAnything) |
| def __ne__(self, other): |
| return not isinstance(other, LargerThanAnything) |
| def __gt__(self, other): |
| return not isinstance(other, LargerThanAnything) |
| def __ge__(self, other): |
| return True |
| |
| their = LargerThanAnything() |
| self.assertEqual(our == their, False) |
| self.assertEqual(their == our, False) |
| self.assertEqual(our != their, True) |
| self.assertEqual(their != our, True) |
| self.assertEqual(our < their, True) |
| self.assertEqual(their < our, False) |
| |
| def test_bool(self): |
| # All dates are considered true. |
| self.assertTrue(self.theclass.min) |
| self.assertTrue(self.theclass.max) |
| |
| def test_strftime_y2k(self): |
| for y in (1, 49, 70, 99, 100, 999, 1000, 1970): |
| d = self.theclass(y, 1, 1) |
| # Issue 13305: For years < 1000, the value is not always |
| # padded to 4 digits across platforms. The C standard |
| # assumes year >= 1900, so it does not specify the number |
| # of digits. |
| if d.strftime("%Y") != '%04d' % y: |
| # Year 42 returns '42', not padded |
| self.assertEqual(d.strftime("%Y"), '%d' % y) |
| # '0042' is obtained anyway |
| self.assertEqual(d.strftime("%4Y"), '%04d' % y) |
| |
| def test_replace(self): |
| cls = self.theclass |
| args = [1, 2, 3] |
| base = cls(*args) |
| self.assertEqual(base, base.replace()) |
| |
| i = 0 |
| for name, newval in (("year", 2), |
| ("month", 3), |
| ("day", 4)): |
| newargs = args[:] |
| newargs[i] = newval |
| expected = cls(*newargs) |
| got = base.replace(**{name: newval}) |
| self.assertEqual(expected, got) |
| i += 1 |
| |
| # Out of bounds. |
| base = cls(2000, 2, 29) |
| self.assertRaises(ValueError, base.replace, year=2001) |
| |
| def test_subclass_date(self): |
| |
| class C(self.theclass): |
| theAnswer = 42 |
| |
| def __new__(cls, *args, **kws): |
| temp = kws.copy() |
| extra = temp.pop('extra') |
| result = self.theclass.__new__(cls, *args, **temp) |
| result.extra = extra |
| return result |
| |
| def newmeth(self, start): |
| return start + self.year + self.month |
| |
| args = 2003, 4, 14 |
| |
| dt1 = self.theclass(*args) |
| dt2 = C(*args, **{'extra': 7}) |
| |
| self.assertEqual(dt2.__class__, C) |
| self.assertEqual(dt2.theAnswer, 42) |
| self.assertEqual(dt2.extra, 7) |
| self.assertEqual(dt1.toordinal(), dt2.toordinal()) |
| self.assertEqual(dt2.newmeth(-7), dt1.year + dt1.month - 7) |
| |
| def test_pickling_subclass_date(self): |
| |
| args = 6, 7, 23 |
| orig = SubclassDate(*args) |
| for pickler, unpickler, proto in pickle_choices: |
| green = pickler.dumps(orig, proto) |
| derived = unpickler.loads(green) |
| self.assertEqual(orig, derived) |
| |
| def test_backdoor_resistance(self): |
| # For fast unpickling, the constructor accepts a pickle byte string. |
| # This is a low-overhead backdoor. A user can (by intent or |
| # mistake) pass a string directly, which (if it's the right length) |
| # will get treated like a pickle, and bypass the normal sanity |
| # checks in the constructor. This can create insane objects. |
| # The constructor doesn't want to burn the time to validate all |
| # fields, but does check the month field. This stops, e.g., |
| # datetime.datetime('1995-03-25') from yielding an insane object. |
| base = b'1995-03-25' |
| if not issubclass(self.theclass, datetime): |
| base = base[:4] |
| for month_byte in b'9', b'\0', b'\r', b'\xff': |
| self.assertRaises(TypeError, self.theclass, |
| base[:2] + month_byte + base[3:]) |
| # Good bytes, but bad tzinfo: |
| self.assertRaises(TypeError, self.theclass, |
| bytes([1] * len(base)), 'EST') |
| |
| for ord_byte in range(1, 13): |
| # This shouldn't blow up because of the month byte alone. If |
| # the implementation changes to do more-careful checking, it may |
| # blow up because other fields are insane. |
| self.theclass(base[:2] + bytes([ord_byte]) + base[3:]) |
| |
| ############################################################################# |
| # datetime tests |
| |
| class SubclassDatetime(datetime): |
| sub_var = 1 |
| |
| class TestDateTime(TestDate): |
| |
| theclass = datetime |
| |
| def test_basic_attributes(self): |
| dt = self.theclass(2002, 3, 1, 12, 0) |
| self.assertEqual(dt.year, 2002) |
| self.assertEqual(dt.month, 3) |
| self.assertEqual(dt.day, 1) |
| self.assertEqual(dt.hour, 12) |
| self.assertEqual(dt.minute, 0) |
| self.assertEqual(dt.second, 0) |
| self.assertEqual(dt.microsecond, 0) |
| |
| def test_basic_attributes_nonzero(self): |
| # Make sure all attributes are non-zero so bugs in |
| # bit-shifting access show up. |
| dt = self.theclass(2002, 3, 1, 12, 59, 59, 8000) |
| self.assertEqual(dt.year, 2002) |
| self.assertEqual(dt.month, 3) |
| self.assertEqual(dt.day, 1) |
| self.assertEqual(dt.hour, 12) |
| self.assertEqual(dt.minute, 59) |
| self.assertEqual(dt.second, 59) |
| self.assertEqual(dt.microsecond, 8000) |
| |
| def test_roundtrip(self): |
| for dt in (self.theclass(1, 2, 3, 4, 5, 6, 7), |
| self.theclass.now()): |
| # Verify dt -> string -> datetime identity. |
| s = repr(dt) |
| self.assertTrue(s.startswith('datetime.')) |
| s = s[9:] |
| dt2 = eval(s) |
| self.assertEqual(dt, dt2) |
| |
| # Verify identity via reconstructing from pieces. |
| dt2 = self.theclass(dt.year, dt.month, dt.day, |
| dt.hour, dt.minute, dt.second, |
| dt.microsecond) |
| self.assertEqual(dt, dt2) |
| |
| def test_isoformat(self): |
| t = self.theclass(2, 3, 2, 4, 5, 1, 123) |
| self.assertEqual(t.isoformat(), "0002-03-02T04:05:01.000123") |
| self.assertEqual(t.isoformat('T'), "0002-03-02T04:05:01.000123") |
| self.assertEqual(t.isoformat(' '), "0002-03-02 04:05:01.000123") |
| self.assertEqual(t.isoformat('\x00'), "0002-03-02\x0004:05:01.000123") |
| # str is ISO format with the separator forced to a blank. |
| self.assertEqual(str(t), "0002-03-02 04:05:01.000123") |
| |
| t = self.theclass(2, 3, 2) |
| self.assertEqual(t.isoformat(), "0002-03-02T00:00:00") |
| self.assertEqual(t.isoformat('T'), "0002-03-02T00:00:00") |
| self.assertEqual(t.isoformat(' '), "0002-03-02 00:00:00") |
| # str is ISO format with the separator forced to a blank. |
| self.assertEqual(str(t), "0002-03-02 00:00:00") |
| |
| def test_format(self): |
| dt = self.theclass(2007, 9, 10, 4, 5, 1, 123) |
| self.assertEqual(dt.__format__(''), str(dt)) |
| |
| # check that a derived class's __str__() gets called |
| class A(self.theclass): |
| def __str__(self): |
| return 'A' |
| a = A(2007, 9, 10, 4, 5, 1, 123) |
| self.assertEqual(a.__format__(''), 'A') |
| |
| # check that a derived class's strftime gets called |
| class B(self.theclass): |
| def strftime(self, format_spec): |
| return 'B' |
| b = B(2007, 9, 10, 4, 5, 1, 123) |
| self.assertEqual(b.__format__(''), str(dt)) |
| |
| for fmt in ["m:%m d:%d y:%y", |
| "m:%m d:%d y:%y H:%H M:%M S:%S", |
| "%z %Z", |
| ]: |
| self.assertEqual(dt.__format__(fmt), dt.strftime(fmt)) |
| self.assertEqual(a.__format__(fmt), dt.strftime(fmt)) |
| self.assertEqual(b.__format__(fmt), 'B') |
| |
| def test_more_ctime(self): |
| # Test fields that TestDate doesn't touch. |
| import time |
| |
| t = self.theclass(2002, 3, 2, 18, 3, 5, 123) |
| self.assertEqual(t.ctime(), "Sat Mar 2 18:03:05 2002") |
| # Oops! The next line fails on Win2K under MSVC 6, so it's commented |
| # out. The difference is that t.ctime() produces " 2" for the day, |
| # but platform ctime() produces "02" for the day. According to |
| # C99, t.ctime() is correct here. |
| # self.assertEqual(t.ctime(), time.ctime(time.mktime(t.timetuple()))) |
| |
| # So test a case where that difference doesn't matter. |
| t = self.theclass(2002, 3, 22, 18, 3, 5, 123) |
| self.assertEqual(t.ctime(), time.ctime(time.mktime(t.timetuple()))) |
| |
| def test_tz_independent_comparing(self): |
| dt1 = self.theclass(2002, 3, 1, 9, 0, 0) |
| dt2 = self.theclass(2002, 3, 1, 10, 0, 0) |
| dt3 = self.theclass(2002, 3, 1, 9, 0, 0) |
| self.assertEqual(dt1, dt3) |
| self.assertTrue(dt2 > dt3) |
| |
| # Make sure comparison doesn't forget microseconds, and isn't done |
| # via comparing a float timestamp (an IEEE double doesn't have enough |
| # precision to span microsecond resolution across years 1 thru 9999, |
| # so comparing via timestamp necessarily calls some distinct values |
| # equal). |
| dt1 = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999998) |
| us = timedelta(microseconds=1) |
| dt2 = dt1 + us |
| self.assertEqual(dt2 - dt1, us) |
| self.assertTrue(dt1 < dt2) |
| |
| def test_strftime_with_bad_tzname_replace(self): |
| # verify ok if tzinfo.tzname().replace() returns a non-string |
| class MyTzInfo(FixedOffset): |
| def tzname(self, dt): |
| class MyStr(str): |
| def replace(self, *args): |
| return None |
| return MyStr('name') |
| t = self.theclass(2005, 3, 2, 0, 0, 0, 0, MyTzInfo(3, 'name')) |
| self.assertRaises(TypeError, t.strftime, '%Z') |
| |
| def test_bad_constructor_arguments(self): |
| # bad years |
| self.theclass(MINYEAR, 1, 1) # no exception |
| self.theclass(MAXYEAR, 1, 1) # no exception |
| self.assertRaises(ValueError, self.theclass, MINYEAR-1, 1, 1) |
| self.assertRaises(ValueError, self.theclass, MAXYEAR+1, 1, 1) |
| # bad months |
| self.theclass(2000, 1, 1) # no exception |
| self.theclass(2000, 12, 1) # no exception |
| self.assertRaises(ValueError, self.theclass, 2000, 0, 1) |
| self.assertRaises(ValueError, self.theclass, 2000, 13, 1) |
| # bad days |
| self.theclass(2000, 2, 29) # no exception |
| self.theclass(2004, 2, 29) # no exception |
| self.theclass(2400, 2, 29) # no exception |
| self.assertRaises(ValueError, self.theclass, 2000, 2, 30) |
| self.assertRaises(ValueError, self.theclass, 2001, 2, 29) |
| self.assertRaises(ValueError, self.theclass, 2100, 2, 29) |
| self.assertRaises(ValueError, self.theclass, 1900, 2, 29) |
| self.assertRaises(ValueError, self.theclass, 2000, 1, 0) |
| self.assertRaises(ValueError, self.theclass, 2000, 1, 32) |
| # bad hours |
| self.theclass(2000, 1, 31, 0) # no exception |
| self.theclass(2000, 1, 31, 23) # no exception |
| self.assertRaises(ValueError, self.theclass, 2000, 1, 31, -1) |
| self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 24) |
| # bad minutes |
| self.theclass(2000, 1, 31, 23, 0) # no exception |
| self.theclass(2000, 1, 31, 23, 59) # no exception |
| self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, -1) |
| self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, 60) |
| # bad seconds |
| self.theclass(2000, 1, 31, 23, 59, 0) # no exception |
| self.theclass(2000, 1, 31, 23, 59, 59) # no exception |
| self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, 59, -1) |
| self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, 59, 60) |
| # bad microseconds |
| self.theclass(2000, 1, 31, 23, 59, 59, 0) # no exception |
| self.theclass(2000, 1, 31, 23, 59, 59, 999999) # no exception |
| self.assertRaises(ValueError, self.theclass, |
| 2000, 1, 31, 23, 59, 59, -1) |
| self.assertRaises(ValueError, self.theclass, |
| 2000, 1, 31, 23, 59, 59, |
| 1000000) |
| |
| def test_hash_equality(self): |
| d = self.theclass(2000, 12, 31, 23, 30, 17) |
| e = self.theclass(2000, 12, 31, 23, 30, 17) |
| self.assertEqual(d, e) |
| self.assertEqual(hash(d), hash(e)) |
| |
| dic = {d: 1} |
| dic[e] = 2 |
| self.assertEqual(len(dic), 1) |
| self.assertEqual(dic[d], 2) |
| self.assertEqual(dic[e], 2) |
| |
| d = self.theclass(2001, 1, 1, 0, 5, 17) |
| e = self.theclass(2001, 1, 1, 0, 5, 17) |
| self.assertEqual(d, e) |
| self.assertEqual(hash(d), hash(e)) |
| |
| dic = {d: 1} |
| dic[e] = 2 |
| self.assertEqual(len(dic), 1) |
| self.assertEqual(dic[d], 2) |
| self.assertEqual(dic[e], 2) |
| |
| def test_computations(self): |
| a = self.theclass(2002, 1, 31) |
| b = self.theclass(1956, 1, 31) |
| diff = a-b |
| self.assertEqual(diff.days, 46*365 + len(range(1956, 2002, 4))) |
| self.assertEqual(diff.seconds, 0) |
| self.assertEqual(diff.microseconds, 0) |
| a = self.theclass(2002, 3, 2, 17, 6) |
| millisec = timedelta(0, 0, 1000) |
| hour = timedelta(0, 3600) |
| day = timedelta(1) |
| week = timedelta(7) |
| self.assertEqual(a + hour, self.theclass(2002, 3, 2, 18, 6)) |
| self.assertEqual(hour + a, self.theclass(2002, 3, 2, 18, 6)) |
| self.assertEqual(a + 10*hour, self.theclass(2002, 3, 3, 3, 6)) |
| self.assertEqual(a - hour, self.theclass(2002, 3, 2, 16, 6)) |
| self.assertEqual(-hour + a, self.theclass(2002, 3, 2, 16, 6)) |
| self.assertEqual(a - hour, a + -hour) |
| self.assertEqual(a - 20*hour, self.theclass(2002, 3, 1, 21, 6)) |
| self.assertEqual(a + day, self.theclass(2002, 3, 3, 17, 6)) |
| self.assertEqual(a - day, self.theclass(2002, 3, 1, 17, 6)) |
| self.assertEqual(a + week, self.theclass(2002, 3, 9, 17, 6)) |
| self.assertEqual(a - week, self.theclass(2002, 2, 23, 17, 6)) |
| self.assertEqual(a + 52*week, self.theclass(2003, 3, 1, 17, 6)) |
| self.assertEqual(a - 52*week, self.theclass(2001, 3, 3, 17, 6)) |
| self.assertEqual((a + week) - a, week) |
| self.assertEqual((a + day) - a, day) |
| self.assertEqual((a + hour) - a, hour) |
| self.assertEqual((a + millisec) - a, millisec) |
| self.assertEqual((a - week) - a, -week) |
| self.assertEqual((a - day) - a, -day) |
| self.assertEqual((a - hour) - a, -hour) |
| self.assertEqual((a - millisec) - a, -millisec) |
| self.assertEqual(a - (a + week), -week) |
| self.assertEqual(a - (a + day), -day) |
| self.assertEqual(a - (a + hour), -hour) |
| self.assertEqual(a - (a + millisec), -millisec) |
| self.assertEqual(a - (a - week), week) |
| self.assertEqual(a - (a - day), day) |
| self.assertEqual(a - (a - hour), hour) |
| self.assertEqual(a - (a - millisec), millisec) |
| self.assertEqual(a + (week + day + hour + millisec), |
| self.theclass(2002, 3, 10, 18, 6, 0, 1000)) |
| self.assertEqual(a + (week + day + hour + millisec), |
| (((a + week) + day) + hour) + millisec) |
| self.assertEqual(a - (week + day + hour + millisec), |
| self.theclass(2002, 2, 22, 16, 5, 59, 999000)) |
| self.assertEqual(a - (week + day + hour + millisec), |
| (((a - week) - day) - hour) - millisec) |
| # Add/sub ints or floats should be illegal |
| for i in 1, 1.0: |
| self.assertRaises(TypeError, lambda: a+i) |
| self.assertRaises(TypeError, lambda: a-i) |
| self.assertRaises(TypeError, lambda: i+a) |
| self.assertRaises(TypeError, lambda: i-a) |
| |
| # delta - datetime is senseless. |
| self.assertRaises(TypeError, lambda: day - a) |
| # mixing datetime and (delta or datetime) via * or // is senseless |
| self.assertRaises(TypeError, lambda: day * a) |
| self.assertRaises(TypeError, lambda: a * day) |
| self.assertRaises(TypeError, lambda: day // a) |
| self.assertRaises(TypeError, lambda: a // day) |
| self.assertRaises(TypeError, lambda: a * a) |
| self.assertRaises(TypeError, lambda: a // a) |
| # datetime + datetime is senseless |
| self.assertRaises(TypeError, lambda: a + a) |
| |
| def test_pickling(self): |
| args = 6, 7, 23, 20, 59, 1, 64**2 |
| orig = self.theclass(*args) |
| for pickler, unpickler, proto in pickle_choices: |
| green = pickler.dumps(orig, proto) |
| derived = unpickler.loads(green) |
| self.assertEqual(orig, derived) |
| |
| def test_more_pickling(self): |
| a = self.theclass(2003, 2, 7, 16, 48, 37, 444116) |
| s = pickle.dumps(a) |
| b = pickle.loads(s) |
| self.assertEqual(b.year, 2003) |
| self.assertEqual(b.month, 2) |
| self.assertEqual(b.day, 7) |
| |
| def test_pickling_subclass_datetime(self): |
| args = 6, 7, 23, 20, 59, 1, 64**2 |
| orig = SubclassDatetime(*args) |
| for pickler, unpickler, proto in pickle_choices: |
| green = pickler.dumps(orig, proto) |
| derived = unpickler.loads(green) |
| self.assertEqual(orig, derived) |
| |
| def test_more_compare(self): |
| # The test_compare() inherited from TestDate covers the error cases. |
| # We just want to test lexicographic ordering on the members datetime |
| # has that date lacks. |
| args = [2000, 11, 29, 20, 58, 16, 999998] |
| t1 = self.theclass(*args) |
| t2 = self.theclass(*args) |
| self.assertEqual(t1, t2) |
| self.assertTrue(t1 <= t2) |
| self.assertTrue(t1 >= t2) |
| self.assertFalse(t1 != t2) |
| self.assertFalse(t1 < t2) |
| self.assertFalse(t1 > t2) |
| |
| for i in range(len(args)): |
| newargs = args[:] |
| newargs[i] = args[i] + 1 |
| t2 = self.theclass(*newargs) # this is larger than t1 |
| self.assertTrue(t1 < t2) |
| self.assertTrue(t2 > t1) |
| self.assertTrue(t1 <= t2) |
| self.assertTrue(t2 >= t1) |
| self.assertTrue(t1 != t2) |
| self.assertTrue(t2 != t1) |
| self.assertFalse(t1 == t2) |
| self.assertFalse(t2 == t1) |
| self.assertFalse(t1 > t2) |
| self.assertFalse(t2 < t1) |
| self.assertFalse(t1 >= t2) |
| self.assertFalse(t2 <= t1) |
| |
| |
| # A helper for timestamp constructor tests. |
| def verify_field_equality(self, expected, got): |
| self.assertEqual(expected.tm_year, got.year) |
| self.assertEqual(expected.tm_mon, got.month) |
| self.assertEqual(expected.tm_mday, got.day) |
| self.assertEqual(expected.tm_hour, got.hour) |
| self.assertEqual(expected.tm_min, got.minute) |
| self.assertEqual(expected.tm_sec, got.second) |
| |
| def test_fromtimestamp(self): |
| import time |
| |
| ts = time.time() |
| expected = time.localtime(ts) |
| got = self.theclass.fromtimestamp(ts) |
| self.verify_field_equality(expected, got) |
| |
| def test_utcfromtimestamp(self): |
| import time |
| |
| ts = time.time() |
| expected = time.gmtime(ts) |
| got = self.theclass.utcfromtimestamp(ts) |
| self.verify_field_equality(expected, got) |
| |
| # Run with US-style DST rules: DST begins 2 a.m. on second Sunday in |
| # March (M3.2.0) and ends 2 a.m. on first Sunday in November (M11.1.0). |
| @support.run_with_tz('EST+05EDT,M3.2.0,M11.1.0') |
| def test_timestamp_naive(self): |
| t = self.theclass(1970, 1, 1) |
| self.assertEqual(t.timestamp(), 18000.0) |
| t = self.theclass(1970, 1, 1, 1, 2, 3, 4) |
| self.assertEqual(t.timestamp(), |
| 18000.0 + 3600 + 2*60 + 3 + 4*1e-6) |
| # Missing hour may produce platform-dependent result |
| t = self.theclass(2012, 3, 11, 2, 30) |
| self.assertIn(self.theclass.fromtimestamp(t.timestamp()), |
| [t - timedelta(hours=1), t + timedelta(hours=1)]) |
| # Ambiguous hour defaults to DST |
| t = self.theclass(2012, 11, 4, 1, 30) |
| self.assertEqual(self.theclass.fromtimestamp(t.timestamp()), t) |
| |
| # Timestamp may raise an overflow error on some platforms |
| for t in [self.theclass(1,1,1), self.theclass(9999,12,12)]: |
| try: |
| s = t.timestamp() |
| except OverflowError: |
| pass |
| else: |
| self.assertEqual(self.theclass.fromtimestamp(s), t) |
| |
| def test_timestamp_aware(self): |
| t = self.theclass(1970, 1, 1, tzinfo=timezone.utc) |
| self.assertEqual(t.timestamp(), 0.0) |
| t = self.theclass(1970, 1, 1, 1, 2, 3, 4, tzinfo=timezone.utc) |
| self.assertEqual(t.timestamp(), |
| 3600 + 2*60 + 3 + 4*1e-6) |
| t = self.theclass(1970, 1, 1, 1, 2, 3, 4, |
| tzinfo=timezone(timedelta(hours=-5), 'EST')) |
| self.assertEqual(t.timestamp(), |
| 18000 + 3600 + 2*60 + 3 + 4*1e-6) |
| def test_microsecond_rounding(self): |
| for fts in [self.theclass.fromtimestamp, |
| self.theclass.utcfromtimestamp]: |
| zero = fts(0) |
| self.assertEqual(zero.second, 0) |
| self.assertEqual(zero.microsecond, 0) |
| try: |
| minus_one = fts(-1e-6) |
| except OSError: |
| # localtime(-1) and gmtime(-1) is not supported on Windows |
| pass |
| else: |
| self.assertEqual(minus_one.second, 59) |
| self.assertEqual(minus_one.microsecond, 999999) |
| |
| t = fts(-1e-8) |
| self.assertEqual(t, minus_one) |
| t = fts(-9e-7) |
| self.assertEqual(t, minus_one) |
| t = fts(-1e-7) |
| self.assertEqual(t, minus_one) |
| |
| t = fts(1e-7) |
| self.assertEqual(t, zero) |
| t = fts(9e-7) |
| self.assertEqual(t, zero) |
| t = fts(0.99999949) |
| self.assertEqual(t.second, 0) |
| self.assertEqual(t.microsecond, 999999) |
| t = fts(0.9999999) |
| self.assertEqual(t.second, 0) |
| self.assertEqual(t.microsecond, 999999) |
| |
| def test_insane_fromtimestamp(self): |
| # It's possible that some platform maps time_t to double, |
| # and that this test will fail there. This test should |
| # exempt such platforms (provided they return reasonable |
| # results!). |
| for insane in -1e200, 1e200: |
| self.assertRaises(OverflowError, self.theclass.fromtimestamp, |
| insane) |
| |
| def test_insane_utcfromtimestamp(self): |
| # It's possible that some platform maps time_t to double, |
| # and that this test will fail there. This test should |
| # exempt such platforms (provided they return reasonable |
| # results!). |
| for insane in -1e200, 1e200: |
| self.assertRaises(OverflowError, self.theclass.utcfromtimestamp, |
| insane) |
| @unittest.skipIf(sys.platform == "win32", "Windows doesn't accept negative timestamps") |
| def test_negative_float_fromtimestamp(self): |
| # The result is tz-dependent; at least test that this doesn't |
| # fail (like it did before bug 1646728 was fixed). |
| self.theclass.fromtimestamp(-1.05) |
| |
| @unittest.skipIf(sys.platform == "win32", "Windows doesn't accept negative timestamps") |
| def test_negative_float_utcfromtimestamp(self): |
| d = self.theclass.utcfromtimestamp(-1.05) |
| self.assertEqual(d, self.theclass(1969, 12, 31, 23, 59, 58, 950000)) |
| |
| def test_utcnow(self): |
| import time |
| |
| # Call it a success if utcnow() and utcfromtimestamp() are within |
| # a second of each other. |
| tolerance = timedelta(seconds=1) |
| for dummy in range(3): |
| from_now = self.theclass.utcnow() |
| from_timestamp = self.theclass.utcfromtimestamp(time.time()) |
| if abs(from_timestamp - from_now) <= tolerance: |
| break |
| # Else try again a few times. |
| self.assertLessEqual(abs(from_timestamp - from_now), tolerance) |
| |
| def test_strptime(self): |
| string = '2004-12-01 13:02:47.197' |
| format = '%Y-%m-%d %H:%M:%S.%f' |
| expected = _strptime._strptime_datetime(self.theclass, string, format) |
| got = self.theclass.strptime(string, format) |
| self.assertEqual(expected, got) |
| self.assertIs(type(expected), self.theclass) |
| self.assertIs(type(got), self.theclass) |
| |
| strptime = self.theclass.strptime |
| self.assertEqual(strptime("+0002", "%z").utcoffset(), 2 * MINUTE) |
| self.assertEqual(strptime("-0002", "%z").utcoffset(), -2 * MINUTE) |
| # Only local timezone and UTC are supported |
| for tzseconds, tzname in ((0, 'UTC'), (0, 'GMT'), |
| (-_time.timezone, _time.tzname[0])): |
| if tzseconds < 0: |
| sign = '-' |
| seconds = -tzseconds |
| else: |
| sign ='+' |
| seconds = tzseconds |
| hours, minutes = divmod(seconds//60, 60) |
| dtstr = "{}{:02d}{:02d} {}".format(sign, hours, minutes, tzname) |
| dt = strptime(dtstr, "%z %Z") |
| self.assertEqual(dt.utcoffset(), timedelta(seconds=tzseconds)) |
| self.assertEqual(dt.tzname(), tzname) |
| # Can produce inconsistent datetime |
| dtstr, fmt = "+1234 UTC", "%z %Z" |
| dt = strptime(dtstr, fmt) |
| self.assertEqual(dt.utcoffset(), 12 * HOUR + 34 * MINUTE) |
| self.assertEqual(dt.tzname(), 'UTC') |
| # yet will roundtrip |
| self.assertEqual(dt.strftime(fmt), dtstr) |
| |
| # Produce naive datetime if no %z is provided |
| self.assertEqual(strptime("UTC", "%Z").tzinfo, None) |
| |
| with self.assertRaises(ValueError): strptime("-2400", "%z") |
| with self.assertRaises(ValueError): strptime("-000", "%z") |
| |
| def test_more_timetuple(self): |
| # This tests fields beyond those tested by the TestDate.test_timetuple. |
| t = self.theclass(2004, 12, 31, 6, 22, 33) |
| self.assertEqual(t.timetuple(), (2004, 12, 31, 6, 22, 33, 4, 366, -1)) |
| self.assertEqual(t.timetuple(), |
| (t.year, t.month, t.day, |
| t.hour, t.minute, t.second, |
| t.weekday(), |
| t.toordinal() - date(t.year, 1, 1).toordinal() + 1, |
| -1)) |
| tt = t.timetuple() |
| self.assertEqual(tt.tm_year, t.year) |
| self.assertEqual(tt.tm_mon, t.month) |
| self.assertEqual(tt.tm_mday, t.day) |
| self.assertEqual(tt.tm_hour, t.hour) |
| self.assertEqual(tt.tm_min, t.minute) |
| self.assertEqual(tt.tm_sec, t.second) |
| self.assertEqual(tt.tm_wday, t.weekday()) |
| self.assertEqual(tt.tm_yday, t.toordinal() - |
| date(t.year, 1, 1).toordinal() + 1) |
| self.assertEqual(tt.tm_isdst, -1) |
| |
| def test_more_strftime(self): |
| # This tests fields beyond those tested by the TestDate.test_strftime. |
| t = self.theclass(2004, 12, 31, 6, 22, 33, 47) |
| self.assertEqual(t.strftime("%m %d %y %f %S %M %H %j"), |
| "12 31 04 000047 33 22 06 366") |
| |
| def test_extract(self): |
| dt = self.theclass(2002, 3, 4, 18, 45, 3, 1234) |
| self.assertEqual(dt.date(), date(2002, 3, 4)) |
| self.assertEqual(dt.time(), time(18, 45, 3, 1234)) |
| |
| def test_combine(self): |
| d = date(2002, 3, 4) |
| t = time(18, 45, 3, 1234) |
| expected = self.theclass(2002, 3, 4, 18, 45, 3, 1234) |
| combine = self.theclass.combine |
| dt = combine(d, t) |
| self.assertEqual(dt, expected) |
| |
| dt = combine(time=t, date=d) |
| self.assertEqual(dt, expected) |
| |
| self.assertEqual(d, dt.date()) |
| self.assertEqual(t, dt.time()) |
| self.assertEqual(dt, combine(dt.date(), dt.time())) |
| |
| self.assertRaises(TypeError, combine) # need an arg |
| self.assertRaises(TypeError, combine, d) # need two args |
| self.assertRaises(TypeError, combine, t, d) # args reversed |
| self.assertRaises(TypeError, combine, d, t, 1) # too many args |
| self.assertRaises(TypeError, combine, "date", "time") # wrong types |
| self.assertRaises(TypeError, combine, d, "time") # wrong type |
| self.assertRaises(TypeError, combine, "date", t) # wrong type |
| |
| def test_replace(self): |
| cls = self.theclass |
| args = [1, 2, 3, 4, 5, 6, 7] |
| base = cls(*args) |
| self.assertEqual(base, base.replace()) |
| |
| i = 0 |
| for name, newval in (("year", 2), |
| ("month", 3), |
| ("day", 4), |
| ("hour", 5), |
| ("minute", 6), |
| ("second", 7), |
| ("microsecond", 8)): |
| newargs = args[:] |
| newargs[i] = newval |
| expected = cls(*newargs) |
| got = base.replace(**{name: newval}) |
| self.assertEqual(expected, got) |
| i += 1 |
| |
| # Out of bounds. |
| base = cls(2000, 2, 29) |
| self.assertRaises(ValueError, base.replace, year=2001) |
| |
| def test_astimezone(self): |
| # Pretty boring! The TZ test is more interesting here. astimezone() |
| # simply can't be applied to a naive object. |
| dt = self.theclass.now() |
| f = FixedOffset(44, "") |
| self.assertRaises(ValueError, dt.astimezone) # naive |
| self.assertRaises(TypeError, dt.astimezone, f, f) # too many args |
| self.assertRaises(TypeError, dt.astimezone, dt) # arg wrong type |
| self.assertRaises(ValueError, dt.astimezone, f) # naive |
| self.assertRaises(ValueError, dt.astimezone, tz=f) # naive |
| |
| class Bogus(tzinfo): |
| def utcoffset(self, dt): return None |
| def dst(self, dt): return timedelta(0) |
| bog = Bogus() |
| self.assertRaises(ValueError, dt.astimezone, bog) # naive |
| self.assertRaises(ValueError, |
| dt.replace(tzinfo=bog).astimezone, f) |
| |
| class AlsoBogus(tzinfo): |
| def utcoffset(self, dt): return timedelta(0) |
| def dst(self, dt): return None |
| alsobog = AlsoBogus() |
| self.assertRaises(ValueError, dt.astimezone, alsobog) # also naive |
| |
| def test_subclass_datetime(self): |
| |
| class C(self.theclass): |
| theAnswer = 42 |
| |
| def __new__(cls, *args, **kws): |
| temp = kws.copy() |
| extra = temp.pop('extra') |
| result = self.theclass.__new__(cls, *args, **temp) |
| result.extra = extra |
| return result |
| |
| def newmeth(self, start): |
| return start + self.year + self.month + self.second |
| |
| args = 2003, 4, 14, 12, 13, 41 |
| |
| dt1 = self.theclass(*args) |
| dt2 = C(*args, **{'extra': 7}) |
| |
| self.assertEqual(dt2.__class__, C) |
| self.assertEqual(dt2.theAnswer, 42) |
| self.assertEqual(dt2.extra, 7) |
| self.assertEqual(dt1.toordinal(), dt2.toordinal()) |
| self.assertEqual(dt2.newmeth(-7), dt1.year + dt1.month + |
| dt1.second - 7) |
| |
| class TestSubclassDateTime(TestDateTime): |
| theclass = SubclassDatetime |
| # Override tests not designed for subclass |
| @unittest.skip('not appropriate for subclasses') |
| def test_roundtrip(self): |
| pass |
| |
| class SubclassTime(time): |
| sub_var = 1 |
| |
| class TestTime(HarmlessMixedComparison, unittest.TestCase): |
| |
| theclass = time |
| |
| def test_basic_attributes(self): |
| t = self.theclass(12, 0) |
| self.assertEqual(t.hour, 12) |
| self.assertEqual(t.minute, 0) |
| self.assertEqual(t.second, 0) |
| self.assertEqual(t.microsecond, 0) |
| |
| def test_basic_attributes_nonzero(self): |
| # Make sure all attributes are non-zero so bugs in |
| # bit-shifting access show up. |
| t = self.theclass(12, 59, 59, 8000) |
| self.assertEqual(t.hour, 12) |
| self.assertEqual(t.minute, 59) |
| self.assertEqual(t.second, 59) |
| self.assertEqual(t.microsecond, 8000) |
| |
| def test_roundtrip(self): |
| t = self.theclass(1, 2, 3, 4) |
| |
| # Verify t -> string -> time identity. |
| s = repr(t) |
| self.assertTrue(s.startswith('datetime.')) |
| s = s[9:] |
| t2 = eval(s) |
| self.assertEqual(t, t2) |
| |
| # Verify identity via reconstructing from pieces. |
| t2 = self.theclass(t.hour, t.minute, t.second, |
| t.microsecond) |
| self.assertEqual(t, t2) |
| |
| def test_comparing(self): |
| args = [1, 2, 3, 4] |
| t1 = self.theclass(*args) |
| t2 = self.theclass(*args) |
| self.assertEqual(t1, t2) |
| self.assertTrue(t1 <= t2) |
| self.assertTrue(t1 >= t2) |
| self.assertFalse(t1 != t2) |
| self.assertFalse(t1 < t2) |
| self.assertFalse(t1 > t2) |
| |
| for i in range(len(args)): |
| newargs = args[:] |
| newargs[i] = args[i] + 1 |
| t2 = self.theclass(*newargs) # this is larger than t1 |
| self.assertTrue(t1 < t2) |
| self.assertTrue(t2 > t1) |
| self.assertTrue(t1 <= t2) |
| self.assertTrue(t2 >= t1) |
| self.assertTrue(t1 != t2) |
| self.assertTrue(t2 != t1) |
| self.assertFalse(t1 == t2) |
| self.assertFalse(t2 == t1) |
| self.assertFalse(t1 > t2) |
| self.assertFalse(t2 < t1) |
| self.assertFalse(t1 >= t2) |
| self.assertFalse(t2 <= t1) |
| |
| for badarg in OTHERSTUFF: |
| self.assertEqual(t1 == badarg, False) |
| self.assertEqual(t1 != badarg, True) |
| self.assertEqual(badarg == t1, False) |
| self.assertEqual(badarg != t1, True) |
| |
| self.assertRaises(TypeError, lambda: t1 <= badarg) |
| self.assertRaises(TypeError, lambda: t1 < badarg) |
| self.assertRaises(TypeError, lambda: t1 > badarg) |
| self.assertRaises(TypeError, lambda: t1 >= badarg) |
| self.assertRaises(TypeError, lambda: badarg <= t1) |
| self.assertRaises(TypeError, lambda: badarg < t1) |
| self.assertRaises(TypeError, lambda: badarg > t1) |
| self.assertRaises(TypeError, lambda: badarg >= t1) |
| |
| def test_bad_constructor_arguments(self): |
| # bad hours |
| self.theclass(0, 0) # no exception |
| self.theclass(23, 0) # no exception |
| self.assertRaises(ValueError, self.theclass, -1, 0) |
| self.assertRaises(ValueError, self.theclass, 24, 0) |
| # bad minutes |
| self.theclass(23, 0) # no exception |
| self.theclass(23, 59) # no exception |
| self.assertRaises(ValueError, self.theclass, 23, -1) |
| self.assertRaises(ValueError, self.theclass, 23, 60) |
| # bad seconds |
| self.theclass(23, 59, 0) # no exception |
| self.theclass(23, 59, 59) # no exception |
| self.assertRaises(ValueError, self.theclass, 23, 59, -1) |
| self.assertRaises(ValueError, self.theclass, 23, 59, 60) |
| # bad microseconds |
| self.theclass(23, 59, 59, 0) # no exception |
| self.theclass(23, 59, 59, 999999) # no exception |
| self.assertRaises(ValueError, self.theclass, 23, 59, 59, -1) |
| self.assertRaises(ValueError, self.theclass, 23, 59, 59, 1000000) |
| |
| def test_hash_equality(self): |
| d = self.theclass(23, 30, 17) |
| e = self.theclass(23, 30, 17) |
| self.assertEqual(d, e) |
| self.assertEqual(hash(d), hash(e)) |
| |
| dic = {d: 1} |
| dic[e] = 2 |
| self.assertEqual(len(dic), 1) |
| self.assertEqual(dic[d], 2) |
| self.assertEqual(dic[e], 2) |
| |
| d = self.theclass(0, 5, 17) |
| e = self.theclass(0, 5, 17) |
| self.assertEqual(d, e) |
| self.assertEqual(hash(d), hash(e)) |
| |
| dic = {d: 1} |
| dic[e] = 2 |
| self.assertEqual(len(dic), 1) |
| self.assertEqual(dic[d], 2) |
| self.assertEqual(dic[e], 2) |
| |
| def test_isoformat(self): |
| t = self.theclass(4, 5, 1, 123) |
| self.assertEqual(t.isoformat(), "04:05:01.000123") |
| self.assertEqual(t.isoformat(), str(t)) |
| |
| t = self.theclass() |
| self.assertEqual(t.isoformat(), "00:00:00") |
| self.assertEqual(t.isoformat(), str(t)) |
| |
| t = self.theclass(microsecond=1) |
| self.assertEqual(t.isoformat(), "00:00:00.000001") |
| self.assertEqual(t.isoformat(), str(t)) |
| |
| t = self.theclass(microsecond=10) |
| self.assertEqual(t.isoformat(), "00:00:00.000010") |
| self.assertEqual(t.isoformat(), str(t)) |
| |
| t = self.theclass(microsecond=100) |
| self.assertEqual(t.isoformat(), "00:00:00.000100") |
| self.assertEqual(t.isoformat(), str(t)) |
| |
| t = self.theclass(microsecond=1000) |
| self.assertEqual(t.isoformat(), "00:00:00.001000") |
| self.assertEqual(t.isoformat(), str(t)) |
| |
| t = self.theclass(microsecond=10000) |
| self.assertEqual(t.isoformat(), "00:00:00.010000") |
| self.assertEqual(t.isoformat(), str(t)) |
| |
| t = self.theclass(microsecond=100000) |
| self.assertEqual(t.isoformat(), "00:00:00.100000") |
| self.assertEqual(t.isoformat(), str(t)) |
| |
| def test_1653736(self): |
| # verify it doesn't accept extra keyword arguments |
| t = self.theclass(second=1) |
| self.assertRaises(TypeError, t.isoformat, foo=3) |
| |
| def test_strftime(self): |
| t = self.theclass(1, 2, 3, 4) |
| self.assertEqual(t.strftime('%H %M %S %f'), "01 02 03 000004") |
| # A naive object replaces %z and %Z with empty strings. |
| self.assertEqual(t.strftime("'%z' '%Z'"), "'' ''") |
| |
| def test_format(self): |
| t = self.theclass(1, 2, 3, 4) |
| self.assertEqual(t.__format__(''), str(t)) |
| |
| # check that a derived class's __str__() gets called |
| class A(self.theclass): |
| def __str__(self): |
| return 'A' |
| a = A(1, 2, 3, 4) |
| self.assertEqual(a.__format__(''), 'A') |
| |
| # check that a derived class's strftime gets called |
| class B(self.theclass): |
| def strftime(self, format_spec): |
| return 'B' |
| b = B(1, 2, 3, 4) |
| self.assertEqual(b.__format__(''), str(t)) |
| |
| for fmt in ['%H %M %S', |
| ]: |
| self.assertEqual(t.__format__(fmt), t.strftime(fmt)) |
| self.assertEqual(a.__format__(fmt), t.strftime(fmt)) |
| self.assertEqual(b.__format__(fmt), 'B') |
| |
| def test_str(self): |
| self.assertEqual(str(self.theclass(1, 2, 3, 4)), "01:02:03.000004") |
| self.assertEqual(str(self.theclass(10, 2, 3, 4000)), "10:02:03.004000") |
| self.assertEqual(str(self.theclass(0, 2, 3, 400000)), "00:02:03.400000") |
| self.assertEqual(str(self.theclass(12, 2, 3, 0)), "12:02:03") |
| self.assertEqual(str(self.theclass(23, 15, 0, 0)), "23:15:00") |
| |
| def test_repr(self): |
| name = 'datetime.' + self.theclass.__name__ |
| self.assertEqual(repr(self.theclass(1, 2, 3, 4)), |
| "%s(1, 2, 3, 4)" % name) |
| self.assertEqual(repr(self.theclass(10, 2, 3, 4000)), |
| "%s(10, 2, 3, 4000)" % name) |
| self.assertEqual(repr(self.theclass(0, 2, 3, 400000)), |
| "%s(0, 2, 3, 400000)" % name) |
| self.assertEqual(repr(self.theclass(12, 2, 3, 0)), |
| "%s(12, 2, 3)" % name) |
| self.assertEqual(repr(self.theclass(23, 15, 0, 0)), |
| "%s(23, 15)" % name) |
| |
| def test_resolution_info(self): |
| self.assertIsInstance(self.theclass.min, self.theclass) |
| self.assertIsInstance(self.theclass.max, self.theclass) |
| self.assertIsInstance(self.theclass.resolution, timedelta) |
| self.assertTrue(self.theclass.max > self.theclass.min) |
| |
| def test_pickling(self): |
| args = 20, 59, 16, 64**2 |
| orig = self.theclass(*args) |
| for pickler, unpickler, proto in pickle_choices: |
| green = pickler.dumps(orig, proto) |
| derived = unpickler.loads(green) |
| self.assertEqual(orig, derived) |
| |
| def test_pickling_subclass_time(self): |
| args = 20, 59, 16, 64**2 |
| orig = SubclassTime(*args) |
| for pickler, unpickler, proto in pickle_choices: |
| green = pickler.dumps(orig, proto) |
| derived = unpickler.loads(green) |
| self.assertEqual(orig, derived) |
| |
| def test_bool(self): |
| cls = self.theclass |
| self.assertTrue(cls(1)) |
| self.assertTrue(cls(0, 1)) |
| self.assertTrue(cls(0, 0, 1)) |
| self.assertTrue(cls(0, 0, 0, 1)) |
| self.assertFalse(cls(0)) |
| self.assertFalse(cls()) |
| |
| def test_replace(self): |
| cls = self.theclass |
| args = [1, 2, 3, 4] |
| base = cls(*args) |
| self.assertEqual(base, base.replace()) |
| |
| i = 0 |
| for name, newval in (("hour", 5), |
| ("minute", 6), |
| ("second", 7), |
| ("microsecond", 8)): |
| newargs = args[:] |
| newargs[i] = newval |
| expected = cls(*newargs) |
| got = base.replace(**{name: newval}) |
| self.assertEqual(expected, got) |
| i += 1 |
| |
| # Out of bounds. |
| base = cls(1) |
| self.assertRaises(ValueError, base.replace, hour=24) |
| self.assertRaises(ValueError, base.replace, minute=-1) |
| self.assertRaises(ValueError, base.replace, second=100) |
| self.assertRaises(ValueError, base.replace, microsecond=1000000) |
| |
| def test_subclass_time(self): |
| |
| class C(self.theclass): |
| theAnswer = 42 |
| |
| def __new__(cls, *args, **kws): |
| temp = kws.copy() |
| extra = temp.pop('extra') |
| result = self.theclass.__new__(cls, *args, **temp) |
| result.extra = extra |
| return result |
| |
| def newmeth(self, start): |
| return start + self.hour + self.second |
| |
| args = 4, 5, 6 |
| |
| dt1 = self.theclass(*args) |
| dt2 = C(*args, **{'extra': 7}) |
| |
| self.assertEqual(dt2.__class__, C) |
| self.assertEqual(dt2.theAnswer, 42) |
| self.assertEqual(dt2.extra, 7) |
| self.assertEqual(dt1.isoformat(), dt2.isoformat()) |
| self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.second - 7) |
| |
| def test_backdoor_resistance(self): |
| # see TestDate.test_backdoor_resistance(). |
| base = '2:59.0' |
| for hour_byte in ' ', '9', chr(24), '\xff': |
| self.assertRaises(TypeError, self.theclass, |
| hour_byte + base[1:]) |
| |
| # A mixin for classes with a tzinfo= argument. Subclasses must define |
| # theclass as a class atribute, and theclass(1, 1, 1, tzinfo=whatever) |
| # must be legit (which is true for time and datetime). |
| class TZInfoBase: |
| |
| def test_argument_passing(self): |
| cls = self.theclass |
| # A datetime passes itself on, a time passes None. |
| class introspective(tzinfo): |
| def tzname(self, dt): return dt and "real" or "none" |
| def utcoffset(self, dt): |
| return timedelta(minutes = dt and 42 or -42) |
| dst = utcoffset |
| |
| obj = cls(1, 2, 3, tzinfo=introspective()) |
| |
| expected = cls is time and "none" or "real" |
| self.assertEqual(obj.tzname(), expected) |
| |
| expected = timedelta(minutes=(cls is time and -42 or 42)) |
| self.assertEqual(obj.utcoffset(), expected) |
| self.assertEqual(obj.dst(), expected) |
| |
| def test_bad_tzinfo_classes(self): |
| cls = self.theclass |
| self.assertRaises(TypeError, cls, 1, 1, 1, tzinfo=12) |
| |
| class NiceTry(object): |
| def __init__(self): pass |
| def utcoffset(self, dt): pass |
| self.assertRaises(TypeError, cls, 1, 1, 1, tzinfo=NiceTry) |
| |
| class BetterTry(tzinfo): |
| def __init__(self): pass |
| def utcoffset(self, dt): pass |
| b = BetterTry() |
| t = cls(1, 1, 1, tzinfo=b) |
| self.assertIs(t.tzinfo, b) |
| |
| def test_utc_offset_out_of_bounds(self): |
| class Edgy(tzinfo): |
| def __init__(self, offset): |
| self.offset = timedelta(minutes=offset) |
| def utcoffset(self, dt): |
| return self.offset |
| |
| cls = self.theclass |
| for offset, legit in ((-1440, False), |
| (-1439, True), |
| (1439, True), |
| (1440, False)): |
| if cls is time: |
| t = cls(1, 2, 3, tzinfo=Edgy(offset)) |
| elif cls is datetime: |
| t = cls(6, 6, 6, 1, 2, 3, tzinfo=Edgy(offset)) |
| else: |
| assert 0, "impossible" |
| if legit: |
| aofs = abs(offset) |
| h, m = divmod(aofs, 60) |
| tag = "%c%02d:%02d" % (offset < 0 and '-' or '+', h, m) |
| if isinstance(t, datetime): |
| t = t.timetz() |
| self.assertEqual(str(t), "01:02:03" + tag) |
| else: |
| self.assertRaises(ValueError, str, t) |
| |
| def test_tzinfo_classes(self): |
| cls = self.theclass |
| class C1(tzinfo): |
| def utcoffset(self, dt): return None |
| def dst(self, dt): return None |
| def tzname(self, dt): return None |
| for t in (cls(1, 1, 1), |
| cls(1, 1, 1, tzinfo=None), |
| cls(1, 1, 1, tzinfo=C1())): |
| self.assertIsNone(t.utcoffset()) |
| self.assertIsNone(t.dst()) |
| self.assertIsNone(t.tzname()) |
| |
| class C3(tzinfo): |
| def utcoffset(self, dt): return timedelta(minutes=-1439) |
| def dst(self, dt): return timedelta(minutes=1439) |
| def tzname(self, dt): return "aname" |
| t = cls(1, 1, 1, tzinfo=C3()) |
| self.assertEqual(t.utcoffset(), timedelta(minutes=-1439)) |
| self.assertEqual(t.dst(), timedelta(minutes=1439)) |
| self.assertEqual(t.tzname(), "aname") |
| |
| # Wrong types. |
| class C4(tzinfo): |
| def utcoffset(self, dt): return "aname" |
| def dst(self, dt): return 7 |
| def tzname(self, dt): return 0 |
| t = cls(1, 1, 1, tzinfo=C4()) |
| self.assertRaises(TypeError, t.utcoffset) |
| self.assertRaises(TypeError, t.dst) |
| self.assertRaises(TypeError, t.tzname) |
| |
| # Offset out of range. |
| class C6(tzinfo): |
| def utcoffset(self, dt): return timedelta(hours=-24) |
| def dst(self, dt): return timedelta(hours=24) |
| t = cls(1, 1, 1, tzinfo=C6()) |
| self.assertRaises(ValueError, t.utcoffset) |
| self.assertRaises(ValueError, t.dst) |
| |
| # Not a whole number of minutes. |
| class C7(tzinfo): |
| def utcoffset(self, dt): return timedelta(seconds=61) |
| def dst(self, dt): return timedelta(microseconds=-81) |
| t = cls(1, 1, 1, tzinfo=C7()) |
| self.assertRaises(ValueError, t.utcoffset) |
| self.assertRaises(ValueError, t.dst) |
| |
| def test_aware_compare(self): |
| cls = self.theclass |
| |
| # Ensure that utcoffset() gets ignored if the comparands have |
| # the same tzinfo member. |
| class OperandDependentOffset(tzinfo): |
| def utcoffset(self, t): |
| if t.minute < 10: |
| # d0 and d1 equal after adjustment |
| return timedelta(minutes=t.minute) |
| else: |
| # d2 off in the weeds |
| return timedelta(minutes=59) |
| |
| base = cls(8, 9, 10, tzinfo=OperandDependentOffset()) |
| d0 = base.replace(minute=3) |
| d1 = base.replace(minute=9) |
| d2 = base.replace(minute=11) |
| for x in d0, d1, d2: |
| for y in d0, d1, d2: |
| for op in lt, le, gt, ge, eq, ne: |
| got = op(x, y) |
| expected = op(x.minute, y.minute) |
| self.assertEqual(got, expected) |
| |
| # However, if they're different members, uctoffset is not ignored. |
| # Note that a time can't actually have an operand-depedent offset, |
| # though (and time.utcoffset() passes None to tzinfo.utcoffset()), |
| # so skip this test for time. |
| if cls is not time: |
| d0 = base.replace(minute=3, tzinfo=OperandDependentOffset()) |
| d1 = base.replace(minute=9, tzinfo=OperandDependentOffset()) |
| d2 = base.replace(minute=11, tzinfo=OperandDependentOffset()) |
| for x in d0, d1, d2: |
| for y in d0, d1, d2: |
| got = (x > y) - (x < y) |
| if (x is d0 or x is d1) and (y is d0 or y is d1): |
| expected = 0 |
| elif x is y is d2: |
| expected = 0 |
| elif x is d2: |
| expected = -1 |
| else: |
| assert y is d2 |
| expected = 1 |
| self.assertEqual(got, expected) |
| |
| |
| # Testing time objects with a non-None tzinfo. |
| class TestTimeTZ(TestTime, TZInfoBase, unittest.TestCase): |
| theclass = time |
| |
| def test_empty(self): |
| t = self.theclass() |
| self.assertEqual(t.hour, 0) |
| self.assertEqual(t.minute, 0) |
| self.assertEqual(t.second, 0) |
| self.assertEqual(t.microsecond, 0) |
| self.assertIsNone(t.tzinfo) |
| |
| def test_zones(self): |
| est = FixedOffset(-300, "EST", 1) |
| utc = FixedOffset(0, "UTC", -2) |
| met = FixedOffset(60, "MET", 3) |
| t1 = time( 7, 47, tzinfo=est) |
| t2 = time(12, 47, tzinfo=utc) |
| t3 = time(13, 47, tzinfo=met) |
| t4 = time(microsecond=40) |
| t5 = time(microsecond=40, tzinfo=utc) |
| |
| self.assertEqual(t1.tzinfo, est) |
| self.assertEqual(t2.tzinfo, utc) |
| self.assertEqual(t3.tzinfo, met) |
| self.assertIsNone(t4.tzinfo) |
| self.assertEqual(t5.tzinfo, utc) |
| |
| self.assertEqual(t1.utcoffset(), timedelta(minutes=-300)) |
| self.assertEqual(t2.utcoffset(), timedelta(minutes=0)) |
| self.assertEqual(t3.utcoffset(), timedelta(minutes=60)) |
| self.assertIsNone(t4.utcoffset()) |
| self.assertRaises(TypeError, t1.utcoffset, "no args") |
| |
| self.assertEqual(t1.tzname(), "EST") |
| self.assertEqual(t2.tzname(), "UTC") |
| self.assertEqual(t3.tzname(), "MET") |
| self.assertIsNone(t4.tzname()) |
| self.assertRaises(TypeError, t1.tzname, "no args") |
| |
| self.assertEqual(t1.dst(), timedelta(minutes=1)) |
| self.assertEqual(t2.dst(), timedelta(minutes=-2)) |
| self.assertEqual(t3.dst(), timedelta(minutes=3)) |
| self.assertIsNone(t4.dst()) |
| self.assertRaises(TypeError, t1.dst, "no args") |
| |
| self.assertEqual(hash(t1), hash(t2)) |
| self.assertEqual(hash(t1), hash(t3)) |
| self.assertEqual(hash(t2), hash(t3)) |
| |
| self.assertEqual(t1, t2) |
| self.assertEqual(t1, t3) |
| self.assertEqual(t2, t3) |
| self.assertNotEqual(t4, t5) # mixed tz-aware & naive |
| self.assertRaises(TypeError, lambda: t4 < t5) # mixed tz-aware & naive |
| self.assertRaises(TypeError, lambda: t5 < t4) # mixed tz-aware & naive |
| |
| self.assertEqual(str(t1), "07:47:00-05:00") |
| self.assertEqual(str(t2), "12:47:00+00:00") |
| self.assertEqual(str(t3), "13:47:00+01:00") |
| self.assertEqual(str(t4), "00:00:00.000040") |
| self.assertEqual(str(t5), "00:00:00.000040+00:00") |
| |
| self.assertEqual(t1.isoformat(), "07:47:00-05:00") |
| self.assertEqual(t2.isoformat(), "12:47:00+00:00") |
| self.assertEqual(t3.isoformat(), "13:47:00+01:00") |
| self.assertEqual(t4.isoformat(), "00:00:00.000040") |
| self.assertEqual(t5.isoformat(), "00:00:00.000040+00:00") |
| |
| d = 'datetime.time' |
| self.assertEqual(repr(t1), d + "(7, 47, tzinfo=est)") |
| self.assertEqual(repr(t2), d + "(12, 47, tzinfo=utc)") |
| self.assertEqual(repr(t3), d + "(13, 47, tzinfo=met)") |
| self.assertEqual(repr(t4), d + "(0, 0, 0, 40)") |
| self.assertEqual(repr(t5), d + "(0, 0, 0, 40, tzinfo=utc)") |
| |
| self.assertEqual(t1.strftime("%H:%M:%S %%Z=%Z %%z=%z"), |
| "07:47:00 %Z=EST %z=-0500") |
| self.assertEqual(t2.strftime("%H:%M:%S %Z %z"), "12:47:00 UTC +0000") |
| self.assertEqual(t3.strftime("%H:%M:%S %Z %z"), "13:47:00 MET +0100") |
| |
| yuck = FixedOffset(-1439, "%z %Z %%z%%Z") |
| t1 = time(23, 59, tzinfo=yuck) |
| self.assertEqual(t1.strftime("%H:%M %%Z='%Z' %%z='%z'"), |
| "23:59 %Z='%z %Z %%z%%Z' %z='-2359'") |
| |
| # Check that an invalid tzname result raises an exception. |
| class Badtzname(tzinfo): |
| tz = 42 |
| def tzname(self, dt): return self.tz |
| t = time(2, 3, 4, tzinfo=Badtzname()) |
| self.assertEqual(t.strftime("%H:%M:%S"), "02:03:04") |
| self.assertRaises(TypeError, t.strftime, "%Z") |
| |
| # Issue #6697: |
| if '_Fast' in str(type(self)): |
| Badtzname.tz = '\ud800' |
| self.assertRaises(ValueError, t.strftime, "%Z") |
| |
| def test_hash_edge_cases(self): |
| # Offsets that overflow a basic time. |
| t1 = self.theclass(0, 1, 2, 3, tzinfo=FixedOffset(1439, "")) |
| t2 = self.theclass(0, 0, 2, 3, tzinfo=FixedOffset(1438, "")) |
| self.assertEqual(hash(t1), hash(t2)) |
| |
| t1 = self.theclass(23, 58, 6, 100, tzinfo=FixedOffset(-1000, "")) |
| t2 = self.theclass(23, 48, 6, 100, tzinfo=FixedOffset(-1010, "")) |
| self.assertEqual(hash(t1), hash(t2)) |
| |
| def test_pickling(self): |
| # Try one without a tzinfo. |
| args = 20, 59, 16, 64**2 |
| orig = self.theclass(*args) |
| for pickler, unpickler, proto in pickle_choices: |
| green = pickler.dumps(orig, proto) |
| derived = unpickler.loads(green) |
| self.assertEqual(orig, derived) |
| |
| # Try one with a tzinfo. |
| tinfo = PicklableFixedOffset(-300, 'cookie') |
| orig = self.theclass(5, 6, 7, tzinfo=tinfo) |
| for pickler, unpickler, proto in pickle_choices: |
| green = pickler.dumps(orig, proto) |
| derived = unpickler.loads(green) |
| self.assertEqual(orig, derived) |
| self.assertIsInstance(derived.tzinfo, PicklableFixedOffset) |
| self.assertEqual(derived.utcoffset(), timedelta(minutes=-300)) |
| self.assertEqual(derived.tzname(), 'cookie') |
| |
| def test_more_bool(self): |
| # Test cases with non-None tzinfo. |
| cls = self.theclass |
| |
| t = cls(0, tzinfo=FixedOffset(-300, "")) |
| self.assertTrue(t) |
| |
| t = cls(5, tzinfo=FixedOffset(-300, "")) |
| self.assertTrue(t) |
| |
| t = cls(5, tzinfo=FixedOffset(300, "")) |
| self.assertFalse(t) |
| |
| t = cls(23, 59, tzinfo=FixedOffset(23*60 + 59, "")) |
| self.assertFalse(t) |
| |
| # Mostly ensuring this doesn't overflow internally. |
| t = cls(0, tzinfo=FixedOffset(23*60 + 59, "")) |
| self.assertTrue(t) |
| |
| # But this should yield a value error -- the utcoffset is bogus. |
| t = cls(0, tzinfo=FixedOffset(24*60, "")) |
| self.assertRaises(ValueError, lambda: bool(t)) |
| |
| # Likewise. |
| t = cls(0, tzinfo=FixedOffset(-24*60, "")) |
| self.assertRaises(ValueError, lambda: bool(t)) |
| |
| def test_replace(self): |
| cls = self.theclass |
| z100 = FixedOffset(100, "+100") |
| zm200 = FixedOffset(timedelta(minutes=-200), "-200") |
| args = [1, 2, 3, 4, z100] |
| base = cls(*args) |
| self.assertEqual(base, base.replace()) |
| |
| i = 0 |
| for name, newval in (("hour", 5), |
| ("minute", 6), |
| ("second", 7), |
| ("microsecond", 8), |
| ("tzinfo", zm200)): |
| newargs = args[:] |
| newargs[i] = newval |
| expected = cls(*newargs) |
| got = base.replace(**{name: newval}) |
| self.assertEqual(expected, got) |
| i += 1 |
| |
| # Ensure we can get rid of a tzinfo. |
| self.assertEqual(base.tzname(), "+100") |
| base2 = base.replace(tzinfo=None) |
| self.assertIsNone(base2.tzinfo) |
| self.assertIsNone(base2.tzname()) |
| |
| # Ensure we can add one. |
| base3 = base2.replace(tzinfo=z100) |
| self.assertEqual(base, base3) |
| self.assertIs(base.tzinfo, base3.tzinfo) |
| |
| # Out of bounds. |
| base = cls(1) |
| self.assertRaises(ValueError, base.replace, hour=24) |
| self.assertRaises(ValueError, base.replace, minute=-1) |
| self.assertRaises(ValueError, base.replace, second=100) |
| self.assertRaises(ValueError, base.replace, microsecond=1000000) |
| |
| def test_mixed_compare(self): |
| t1 = time(1, 2, 3) |
| t2 = time(1, 2, 3) |
| self.assertEqual(t1, t2) |
| t2 = t2.replace(tzinfo=None) |
| self.assertEqual(t1, t2) |
| t2 = t2.replace(tzinfo=FixedOffset(None, "")) |
| self.assertEqual(t1, t2) |
| t2 = t2.replace(tzinfo=FixedOffset(0, "")) |
| self.assertNotEqual(t1, t2) |
| |
| # In time w/ identical tzinfo objects, utcoffset is ignored. |
| class Varies(tzinfo): |
| def __init__(self): |
| self.offset = timedelta(minutes=22) |
| def utcoffset(self, t): |
| self.offset += timedelta(minutes=1) |
| return self.offset |
| |
| v = Varies() |
| t1 = t2.replace(tzinfo=v) |
| t2 = t2.replace(tzinfo=v) |
| self.assertEqual(t1.utcoffset(), timedelta(minutes=23)) |
| self.assertEqual(t2.utcoffset(), timedelta(minutes=24)) |
| self.assertEqual(t1, t2) |
| |
| # But if they're not identical, it isn't ignored. |
| t2 = t2.replace(tzinfo=Varies()) |
| self.assertTrue(t1 < t2) # t1's offset counter still going up |
| |
| def test_subclass_timetz(self): |
| |
| class C(self.theclass): |
| theAnswer = 42 |
| |
| def __new__(cls, *args, **kws): |
| temp = kws.copy() |
| extra = temp.pop('extra') |
| result = self.theclass.__new__(cls, *args, **temp) |
| result.extra = extra |
| return result |
| |
| def newmeth(self, start): |
| return start + self.hour + self.second |
| |
| args = 4, 5, 6, 500, FixedOffset(-300, "EST", 1) |
| |
| dt1 = self.theclass(*args) |
| dt2 = C(*args, **{'extra': 7}) |
| |
| self.assertEqual(dt2.__class__, C) |
| self.assertEqual(dt2.theAnswer, 42) |
| self.assertEqual(dt2.extra, 7) |
| self.assertEqual(dt1.utcoffset(), dt2.utcoffset()) |
| self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.second - 7) |
| |
| |
| # Testing datetime objects with a non-None tzinfo. |
| |
| class TestDateTimeTZ(TestDateTime, TZInfoBase, unittest.TestCase): |
| theclass = datetime |
| |
| def test_trivial(self): |
| dt = self.theclass(1, 2, 3, 4, 5, 6, 7) |
| self.assertEqual(dt.year, 1) |
| self.assertEqual(dt.month, 2) |
| self.assertEqual(dt.day, 3) |
| self.assertEqual(dt.hour, 4) |
| self.assertEqual(dt.minute, 5) |
| self.assertEqual(dt.second, 6) |
| self.assertEqual(dt.microsecond, 7) |
| self.assertEqual(dt.tzinfo, None) |
| |
| def test_even_more_compare(self): |
| # The test_compare() and test_more_compare() inherited from TestDate |
| # and TestDateTime covered non-tzinfo cases. |
| |
| # Smallest possible after UTC adjustment. |
| t1 = self.theclass(1, 1, 1, tzinfo=FixedOffset(1439, "")) |
| # Largest possible after UTC adjustment. |
| t2 = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999999, |
| tzinfo=FixedOffset(-1439, "")) |
| |
| # Make sure those compare correctly, and w/o overflow. |
| self.assertTrue(t1 < t2) |
| self.assertTrue(t1 != t2) |
| self.assertTrue(t2 > t1) |
| |
| self.assertEqual(t1, t1) |
| self.assertEqual(t2, t2) |
| |
| # Equal afer adjustment. |
| t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(1, "")) |
| t2 = self.theclass(2, 1, 1, 3, 13, tzinfo=FixedOffset(3*60+13+2, "")) |
| self.assertEqual(t1, t2) |
| |
| # Change t1 not to subtract a minute, and t1 should be larger. |
| t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(0, "")) |
| self.assertTrue(t1 > t2) |
| |
| # Change t1 to subtract 2 minutes, and t1 should be smaller. |
| t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(2, "")) |
| self.assertTrue(t1 < t2) |
| |
| # Back to the original t1, but make seconds resolve it. |
| t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(1, ""), |
| second=1) |
| self.assertTrue(t1 > t2) |
| |
| # Likewise, but make microseconds resolve it. |
| t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(1, ""), |
| microsecond=1) |
| self.assertTrue(t1 > t2) |
| |
| # Make t2 naive and it should differ. |
| t2 = self.theclass.min |
| self.assertNotEqual(t1, t2) |
| self.assertEqual(t2, t2) |
| |
| # It's also naive if it has tzinfo but tzinfo.utcoffset() is None. |
| class Naive(tzinfo): |
| def utcoffset(self, dt): return None |
| t2 = self.theclass(5, 6, 7, tzinfo=Naive()) |
| self.assertNotEqual(t1, t2) |
| self.assertEqual(t2, t2) |
| |
| # OTOH, it's OK to compare two of these mixing the two ways of being |
| # naive. |
| t1 = self.theclass(5, 6, 7) |
| self.assertEqual(t1, t2) |
| |
| # Try a bogus uctoffset. |
| class Bogus(tzinfo): |
| def utcoffset(self, dt): |
| return timedelta(minutes=1440) # out of bounds |
| t1 = self.theclass(2, 2, 2, tzinfo=Bogus()) |
| t2 = self.theclass(2, 2, 2, tzinfo=FixedOffset(0, "")) |
| self.assertRaises(ValueError, lambda: t1 == t2) |
| |
| def test_pickling(self): |
| # Try one without a tzinfo. |
| args = 6, 7, 23, 20, 59, 1, 64**2 |
| orig = self.theclass(*args) |
| for pickler, unpickler, proto in pickle_choices: |
| green = pickler.dumps(orig, proto) |
| derived = unpickler.loads(green) |
| self.assertEqual(orig, derived) |
| |
| # Try one with a tzinfo. |
| tinfo = PicklableFixedOffset(-300, 'cookie') |
| orig = self.theclass(*args, **{'tzinfo': tinfo}) |
| derived = self.theclass(1, 1, 1, tzinfo=FixedOffset(0, "", 0)) |
| for pickler, unpickler, proto in pickle_choices: |
| green = pickler.dumps(orig, proto) |
| derived = unpickler.loads(green) |
| self.assertEqual(orig, derived) |
| self.assertIsInstance(derived.tzinfo, PicklableFixedOffset) |
| self.assertEqual(derived.utcoffset(), timedelta(minutes=-300)) |
| self.assertEqual(derived.tzname(), 'cookie') |
| |
| def test_extreme_hashes(self): |
| # If an attempt is made to hash these via subtracting the offset |
| # then hashing a datetime object, OverflowError results. The |
| # Python implementation used to blow up here. |
| t = self.theclass(1, 1, 1, tzinfo=FixedOffset(1439, "")) |
| hash(t) |
| t = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999999, |
| tzinfo=FixedOffset(-1439, "")) |
| hash(t) |
| |
| # OTOH, an OOB offset should blow up. |
| t = self.theclass(5, 5, 5, tzinfo=FixedOffset(-1440, "")) |
| self.assertRaises(ValueError, hash, t) |
| |
| def test_zones(self): |
| est = FixedOffset(-300, "EST") |
| utc = FixedOffset(0, "UTC") |
| met = FixedOffset(60, "MET") |
| t1 = datetime(2002, 3, 19, 7, 47, tzinfo=est) |
| t2 = datetime(2002, 3, 19, 12, 47, tzinfo=utc) |
| t3 = datetime(2002, 3, 19, 13, 47, tzinfo=met) |
| self.assertEqual(t1.tzinfo, est) |
| self.assertEqual(t2.tzinfo, utc) |
| self.assertEqual(t3.tzinfo, met) |
| self.assertEqual(t1.utcoffset(), timedelta(minutes=-300)) |
| self.assertEqual(t2.utcoffset(), timedelta(minutes=0)) |
| self.assertEqual(t3.utcoffset(), timedelta(minutes=60)) |
| self.assertEqual(t1.tzname(), "EST") |
| self.assertEqual(t2.tzname(), "UTC") |
| self.assertEqual(t3.tzname(), "MET") |
| self.assertEqual(hash(t1), hash(t2)) |
| self.assertEqual(hash(t1), hash(t3)) |
| self.assertEqual(hash(t2), hash(t3)) |
| self.assertEqual(t1, t2) |
| self.assertEqual(t1, t3) |
| self.assertEqual(t2, t3) |
| self.assertEqual(str(t1), "2002-03-19 07:47:00-05:00") |
| self.assertEqual(str(t2), "2002-03-19 12:47:00+00:00") |
| self.assertEqual(str(t3), "2002-03-19 13:47:00+01:00") |
| d = 'datetime.datetime(2002, 3, 19, ' |
| self.assertEqual(repr(t1), d + "7, 47, tzinfo=est)") |
| self.assertEqual(repr(t2), d + "12, 47, tzinfo=utc)") |
| self.assertEqual(repr(t3), d + "13, 47, tzinfo=met)") |
| |
| def test_combine(self): |
| met = FixedOffset(60, "MET") |
| d = date(2002, 3, 4) |
| tz = time(18, 45, 3, 1234, tzinfo=met) |
| dt = datetime.combine(d, tz) |
| self.assertEqual(dt, datetime(2002, 3, 4, 18, 45, 3, 1234, |
| tzinfo=met)) |
| |
| def test_extract(self): |
| met = FixedOffset(60, "MET") |
| dt = self.theclass(2002, 3, 4, 18, 45, 3, 1234, tzinfo=met) |
| self.assertEqual(dt.date(), date(2002, 3, 4)) |
| self.assertEqual(dt.time(), time(18, 45, 3, 1234)) |
| self.assertEqual(dt.timetz(), time(18, 45, 3, 1234, tzinfo=met)) |
| |
| def test_tz_aware_arithmetic(self): |
| import random |
| |
| now = self.theclass.now() |
| tz55 = FixedOffset(-330, "west 5:30") |
| timeaware = now.time().replace(tzinfo=tz55) |
| nowaware = self.theclass.combine(now.date(), timeaware) |
| self.assertIs(nowaware.tzinfo, tz55) |
| self.assertEqual(nowaware.timetz(), timeaware) |
| |
| # Can't mix aware and non-aware. |
| self.assertRaises(TypeError, lambda: now - nowaware) |
| self.assertRaises(TypeError, lambda: nowaware - now) |
| |
| # And adding datetime's doesn't make sense, aware or not. |
| self.assertRaises(TypeError, lambda: now + nowaware) |
| self.assertRaises(TypeError, lambda: nowaware + now) |
| self.assertRaises(TypeError, lambda: nowaware + nowaware) |
| |
| # Subtracting should yield 0. |
| self.assertEqual(now - now, timedelta(0)) |
| self.assertEqual(nowaware - nowaware, timedelta(0)) |
| |
| # Adding a delta should preserve tzinfo. |
| delta = timedelta(weeks=1, minutes=12, microseconds=5678) |
| nowawareplus = nowaware + delta |
| self.assertIs(nowaware.tzinfo, tz55) |
| nowawareplus2 = delta + nowaware |
| self.assertIs(nowawareplus2.tzinfo, tz55) |
| self.assertEqual(nowawareplus, nowawareplus2) |
| |
| # that - delta should be what we started with, and that - what we |
| # started with should be delta. |
| diff = nowawareplus - delta |
| self.assertIs(diff.tzinfo, tz55) |
| self.assertEqual(nowaware, diff) |
| self.assertRaises(TypeError, lambda: delta - nowawareplus) |
| self.assertEqual(nowawareplus - nowaware, delta) |
| |
| # Make up a random timezone. |
| tzr = FixedOffset(random.randrange(-1439, 1440), "randomtimezone") |
| # Attach it to nowawareplus. |
| nowawareplus = nowawareplus.replace(tzinfo=tzr) |
| self.assertIs(nowawareplus.tzinfo, tzr) |
| # Make sure the difference takes the timezone adjustments into account. |
| got = nowaware - nowawareplus |
| # Expected: (nowaware base - nowaware offset) - |
| # (nowawareplus base - nowawareplus offset) = |
| # (nowaware base - nowawareplus base) + |
| # (nowawareplus offset - nowaware offset) = |
| # -delta + nowawareplus offset - nowaware offset |
| expected = nowawareplus.utcoffset() - nowaware.utcoffset() - delta |
| self.assertEqual(got, expected) |
| |
| # Try max possible difference. |
| min = self.theclass(1, 1, 1, tzinfo=FixedOffset(1439, "min")) |
| max = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999999, |
| tzinfo=FixedOffset(-1439, "max")) |
| maxdiff = max - min |
| self.assertEqual(maxdiff, self.theclass.max - self.theclass.min + |
| timedelta(minutes=2*1439)) |
| # Different tzinfo, but the same offset |
| tza = timezone(HOUR, 'A') |
| tzb = timezone(HOUR, 'B') |
| delta = min.replace(tzinfo=tza) - max.replace(tzinfo=tzb) |
| self.assertEqual(delta, self.theclass.min - self.theclass.max) |
| |
| def test_tzinfo_now(self): |
| meth = self.theclass.now |
| # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up). |
| base = meth() |
| # Try with and without naming the keyword. |
| off42 = FixedOffset(42, "42") |
| another = meth(off42) |
| again = meth(tz=off42) |
| self.assertIs(another.tzinfo, again.tzinfo) |
| self.assertEqual(another.utcoffset(), timedelta(minutes=42)) |
| # Bad argument with and w/o naming the keyword. |
| self.assertRaises(TypeError, meth, 16) |
| self.assertRaises(TypeError, meth, tzinfo=16) |
| # Bad keyword name. |
| self.assertRaises(TypeError, meth, tinfo=off42) |
| # Too many args. |
| self.assertRaises(TypeError, meth, off42, off42) |
| |
| # We don't know which time zone we're in, and don't have a tzinfo |
| # class to represent it, so seeing whether a tz argument actually |
| # does a conversion is tricky. |
| utc = FixedOffset(0, "utc", 0) |
| for weirdtz in [FixedOffset(timedelta(hours=15, minutes=58), "weirdtz", 0), |
| timezone(timedelta(hours=15, minutes=58), "weirdtz"),]: |
| for dummy in range(3): |
| now = datetime.now(weirdtz) |
| self.assertIs(now.tzinfo, weirdtz) |
| utcnow = datetime.utcnow().replace(tzinfo=utc) |
| now2 = utcnow.astimezone(weirdtz) |
| if abs(now - now2) < timedelta(seconds=30): |
| break |
| # Else the code is broken, or more than 30 seconds passed between |
| # calls; assuming the latter, just try again. |
| else: |
| # Three strikes and we're out. |
| self.fail("utcnow(), now(tz), or astimezone() may be broken") |
| |
| def test_tzinfo_fromtimestamp(self): |
| import time |
| meth = self.theclass.fromtimestamp |
| ts = time.time() |
| # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up). |
| base = meth(ts) |
| # Try with and without naming the keyword. |
| off42 = FixedOffset(42, "42") |
| another = meth(ts, off42) |
| again = meth(ts, tz=off42) |
| self.assertIs(another.tzinfo, again.tzinfo) |
| self.assertEqual(another.utcoffset(), timedelta(minutes=42)) |
| # Bad argument with and w/o naming the keyword. |
| self.assertRaises(TypeError, meth, ts, 16) |
| self.assertRaises(TypeError, meth, ts, tzinfo=16) |
| # Bad keyword name. |
| self.assertRaises(TypeError, meth, ts, tinfo=off42) |
| # Too many args. |
| self.assertRaises(TypeError, meth, ts, off42, off42) |
| # Too few args. |
| self.assertRaises(TypeError, meth) |
| |
| # Try to make sure tz= actually does some conversion. |
| timestamp = 1000000000 |
| utcdatetime = datetime.utcfromtimestamp(timestamp) |
| # In POSIX (epoch 1970), that's 2001-09-09 01:46:40 UTC, give or take. |
| # But on some flavor of Mac, it's nowhere near that. So we can't have |
| # any idea here what time that actually is, we can only test that |
| # relative changes match. |
| utcoffset = timedelta(hours=-15, minutes=39) # arbitrary, but not zero |
| tz = FixedOffset(utcoffset, "tz", 0) |
| expected = utcdatetime + utcoffset |
| got = datetime.fromtimestamp(timestamp, tz) |
| self.assertEqual(expected, got.replace(tzinfo=None)) |
| |
| def test_tzinfo_utcnow(self): |
| meth = self.theclass.utcnow |
| # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up). |
| base = meth() |
| # Try with and without naming the keyword; for whatever reason, |
| # utcnow() doesn't accept a tzinfo argument. |
| off42 = FixedOffset(42, "42") |
| self.assertRaises(TypeError, meth, off42) |
| self.assertRaises(TypeError, meth, tzinfo=off42) |
| |
| def test_tzinfo_utcfromtimestamp(self): |
| import time |
| meth = self.theclass.utcfromtimestamp |
| ts = time.time() |
| # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up). |
| base = meth(ts) |
| # Try with and without naming the keyword; for whatever reason, |
| # utcfromtimestamp() doesn't accept a tzinfo argument. |
| off42 = FixedOffset(42, "42") |
| self.assertRaises(TypeError, meth, ts, off42) |
| self.assertRaises(TypeError, meth, ts, tzinfo=off42) |
| |
| def test_tzinfo_timetuple(self): |
| # TestDateTime tested most of this. datetime adds a twist to the |
| # DST flag. |
| class DST(tzinfo): |
| def __init__(self, dstvalue): |
| if isinstance(dstvalue, int): |
| dstvalue = timedelta(minutes=dstvalue) |
| self.dstvalue = dstvalue |
| def dst(self, dt): |
| return self.dstvalue |
| |
| cls = self.theclass |
| for dstvalue, flag in (-33, 1), (33, 1), (0, 0), (None, -1): |
| d = cls(1, 1, 1, 10, 20, 30, 40, tzinfo=DST(dstvalue)) |
| t = d.timetuple() |
| self.assertEqual(1, t.tm_year) |
| self.assertEqual(1, t.tm_mon) |
| self.assertEqual(1, t.tm_mday) |
| self.assertEqual(10, t.tm_hour) |
| self.assertEqual(20, t.tm_min) |
| self.assertEqual(30, t.tm_sec) |
| self.assertEqual(0, t.tm_wday) |
| self.assertEqual(1, t.tm_yday) |
| self.assertEqual(flag, t.tm_isdst) |
| |
| # dst() returns wrong type. |
| self.assertRaises(TypeError, cls(1, 1, 1, tzinfo=DST("x")).timetuple) |
| |
| # dst() at the edge. |
| self.assertEqual(cls(1,1,1, tzinfo=DST(1439)).timetuple().tm_isdst, 1) |
| self.assertEqual(cls(1,1,1, tzinfo=DST(-1439)).timetuple().tm_isdst, 1) |
| |
| # dst() out of range. |
| self.assertRaises(ValueError, cls(1,1,1, tzinfo=DST(1440)).timetuple) |
| self.assertRaises(ValueError, cls(1,1,1, tzinfo=DST(-1440)).timetuple) |
| |
| def test_utctimetuple(self): |
| class DST(tzinfo): |
| def __init__(self, dstvalue=0): |
| if isinstance(dstvalue, int): |
| dstvalue = timedelta(minutes=dstvalue) |
| self.dstvalue = dstvalue |
| def dst(self, dt): |
| return self.dstvalue |
| |
| cls = self.theclass |
| # This can't work: DST didn't implement utcoffset. |
| self.assertRaises(NotImplementedError, |
| cls(1, 1, 1, tzinfo=DST(0)).utcoffset) |
| |
| class UOFS(DST): |
| def __init__(self, uofs, dofs=None): |
| DST.__init__(self, dofs) |
| self.uofs = timedelta(minutes=uofs) |
| def utcoffset(self, dt): |
| return self.uofs |
| |
| for dstvalue in -33, 33, 0, None: |
| d = cls(1, 2, 3, 10, 20, 30, 40, tzinfo=UOFS(-53, dstvalue)) |
| t = d.utctimetuple() |
| self.assertEqual(d.year, t.tm_year) |
| self.assertEqual(d.month, t.tm_mon) |
| self.assertEqual(d.day, t.tm_mday) |
| self.assertEqual(11, t.tm_hour) # 20mm + 53mm = 1hn + 13mm |
| self.assertEqual(13, t.tm_min) |
| self.assertEqual(d.second, t.tm_sec) |
| self.assertEqual(d.weekday(), t.tm_wday) |
| self.assertEqual(d.toordinal() - date(1, 1, 1).toordinal() + 1, |
| t.tm_yday) |
| # Ensure tm_isdst is 0 regardless of what dst() says: DST |
| # is never in effect for a UTC time. |
| self.assertEqual(0, t.tm_isdst) |
| |
| # For naive datetime, utctimetuple == timetuple except for isdst |
| d = cls(1, 2, 3, 10, 20, 30, 40) |
| t = d.utctimetuple() |
| self.assertEqual(t[:-1], d.timetuple()[:-1]) |
| self.assertEqual(0, t.tm_isdst) |
| # Same if utcoffset is None |
| class NOFS(DST): |
| def utcoffset(self, dt): |
| return None |
| d = cls(1, 2, 3, 10, 20, 30, 40, tzinfo=NOFS()) |
| t = d.utctimetuple() |
| self.assertEqual(t[:-1], d.timetuple()[:-1]) |
| self.assertEqual(0, t.tm_isdst) |
| # Check that bad tzinfo is detected |
| class BOFS(DST): |
| def utcoffset(self, dt): |
| return "EST" |
| d = cls(1, 2, 3, 10, 20, 30, 40, tzinfo=BOFS()) |
| self.assertRaises(TypeError, d.utctimetuple) |
| |
| # Check that utctimetuple() is the same as |
| # astimezone(utc).timetuple() |
| d = cls(2010, 11, 13, 14, 15, 16, 171819) |
| for tz in [timezone.min, timezone.utc, timezone.max]: |
| dtz = d.replace(tzinfo=tz) |
| self.assertEqual(dtz.utctimetuple()[:-1], |
| dtz.astimezone(timezone.utc).timetuple()[:-1]) |
| # At the edges, UTC adjustment can produce years out-of-range |
| # for a datetime object. Ensure that an OverflowError is |
| # raised. |
| tiny = cls(MINYEAR, 1, 1, 0, 0, 37, tzinfo=UOFS(1439)) |
| # That goes back 1 minute less than a full day. |
| self.assertRaises(OverflowError, tiny.utctimetuple) |
| |
| huge = cls(MAXYEAR, 12, 31, 23, 59, 37, 999999, tzinfo=UOFS(-1439)) |
| # That goes forward 1 minute less than a full day. |
| self.assertRaises(OverflowError, huge.utctimetuple) |
| # More overflow cases |
| tiny = cls.min.replace(tzinfo=timezone(MINUTE)) |
| self.assertRaises(OverflowError, tiny.utctimetuple) |
| huge = cls.max.replace(tzinfo=timezone(-MINUTE)) |
| self.assertRaises(OverflowError, huge.utctimetuple) |
| |
| def test_tzinfo_isoformat(self): |
| zero = FixedOffset(0, "+00:00") |
| plus = FixedOffset(220, "+03:40") |
| minus = FixedOffset(-231, "-03:51") |
| unknown = FixedOffset(None, "") |
| |
| cls = self.theclass |
| datestr = '0001-02-03' |
| for ofs in None, zero, plus, minus, unknown: |
| for us in 0, 987001: |
| d = cls(1, 2, 3, 4, 5, 59, us, tzinfo=ofs) |
| timestr = '04:05:59' + (us and '.987001' or '') |
| ofsstr = ofs is not None and d.tzname() or '' |
| tailstr = timestr + ofsstr |
| iso = d.isoformat() |
| self.assertEqual(iso, datestr + 'T' + tailstr) |
| self.assertEqual(iso, d.isoformat('T')) |
| self.assertEqual(d.isoformat('k'), datestr + 'k' + tailstr) |
| self.assertEqual(d.isoformat('\u1234'), datestr + '\u1234' + tailstr) |
| self.assertEqual(str(d), datestr + ' ' + tailstr) |
| |
| def test_replace(self): |
| cls = self.theclass |
| z100 = FixedOffset(100, "+100") |
| zm200 = FixedOffset(timedelta(minutes=-200), "-200") |
| args = [1, 2, 3, 4, 5, 6, 7, z100] |
| base = cls(*args) |
| self.assertEqual(base, base.replace()) |
| |
| i = 0 |
| for name, newval in (("year", 2), |
| ("month", 3), |
| ("day", 4), |
| ("hour", 5), |
| ("minute", 6), |
| ("second", 7), |
| ("microsecond", 8), |
| ("tzinfo", zm200)): |
| newargs = args[:] |
| newargs[i] = newval |
| expected = cls(*newargs) |
| got = base.replace(**{name: newval}) |
| self.assertEqual(expected, got) |
| i += 1 |
| |
| # Ensure we can get rid of a tzinfo. |
| self.assertEqual(base.tzname(), "+100") |
| base2 = base.replace(tzinfo=None) |
| self.assertIsNone(base2.tzinfo) |
| self.assertIsNone(base2.tzname()) |
| |
| # Ensure we can add one. |
| base3 = base2.replace(tzinfo=z100) |
| self.assertEqual(base, base3) |
| self.assertIs(base.tzinfo, base3.tzinfo) |
| |
| # Out of bounds. |
| base = cls(2000, 2, 29) |
| self.assertRaises(ValueError, base.replace, year=2001) |
| |
| def test_more_astimezone(self): |
| # The inherited test_astimezone covered some trivial and error cases. |
| fnone = FixedOffset(None, "None") |
| f44m = FixedOffset(44, "44") |
| fm5h = FixedOffset(-timedelta(hours=5), "m300") |
| |
| dt = self.theclass.now(tz=f44m) |
| self.assertIs(dt.tzinfo, f44m) |
| # Replacing with degenerate tzinfo raises an exception. |
| self.assertRaises(ValueError, dt.astimezone, fnone) |
| # Replacing with same tzinfo makes no change. |
| x = dt.astimezone(dt.tzinfo) |
| self.assertIs(x.tzinfo, f44m) |
| self.assertEqual(x.date(), dt.date()) |
| self.assertEqual(x.time(), dt.time()) |
| |
| # Replacing with different tzinfo does adjust. |
| got = dt.astimezone(fm5h) |
| self.assertIs(got.tzinfo, fm5h) |
| self.assertEqual(got.utcoffset(), timedelta(hours=-5)) |
| expected = dt - dt.utcoffset() # in effect, convert to UTC |
| expected += fm5h.utcoffset(dt) # and from there to local time |
| expected = expected.replace(tzinfo=fm5h) # and attach new tzinfo |
| self.assertEqual(got.date(), expected.date()) |
| self.assertEqual(got.time(), expected.time()) |
| self.assertEqual(got.timetz(), expected.timetz()) |
| self.assertIs(got.tzinfo, expected.tzinfo) |
| self.assertEqual(got, expected) |
| |
| @support.run_with_tz('UTC') |
| def test_astimezone_default_utc(self): |
| dt = self.theclass.now(timezone.utc) |
| self.assertEqual(dt.astimezone(None), dt) |
| self.assertEqual(dt.astimezone(), dt) |
| |
| # Note that offset in TZ variable has the opposite sign to that |
| # produced by %z directive. |
| @support.run_with_tz('EST+05EDT,M3.2.0,M11.1.0') |
| def test_astimezone_default_eastern(self): |
| dt = self.theclass(2012, 11, 4, 6, 30, tzinfo=timezone.utc) |
| local = dt.astimezone() |
| self.assertEqual(dt, local) |
| self.assertEqual(local.strftime("%z %Z"), "-0500 EST") |
| dt = self.theclass(2012, 11, 4, 5, 30, tzinfo=timezone.utc) |
| local = dt.astimezone() |
| self.assertEqual(dt, local) |
| self.assertEqual(local.strftime("%z %Z"), "-0400 EDT") |
| |
| def test_aware_subtract(self): |
| cls = self.theclass |
| |
| # Ensure that utcoffset() is ignored when the operands have the |
| # same tzinfo member. |
| class OperandDependentOffset(tzinfo): |
| def utcoffset(self, t): |
| if t.minute < 10: |
| # d0 and d1 equal after adjustment |
| return timedelta(minutes=t.minute) |
| else: |
| # d2 off in the weeds |
| return timedelta(minutes=59) |
| |
| base = cls(8, 9, 10, 11, 12, 13, 14, tzinfo=OperandDependentOffset()) |
| d0 = base.replace(minute=3) |
| d1 = base.replace(minute=9) |
| d2 = base.replace(minute=11) |
| for x in d0, d1, d2: |
| for y in d0, d1, d2: |
| got = x - y |
| expected = timedelta(minutes=x.minute - y.minute) |
| self.assertEqual(got, expected) |
| |
| # OTOH, if the tzinfo members are distinct, utcoffsets aren't |
| # ignored. |
| base = cls(8, 9, 10, 11, 12, 13, 14) |
| d0 = base.replace(minute=3, tzinfo=OperandDependentOffset()) |
| d1 = base.replace(minute=9, tzinfo=OperandDependentOffset()) |
| d2 = base.replace(minute=11, tzinfo=OperandDependentOffset()) |
| for x in d0, d1, d2: |
| for y in d0, d1, d2: |
| got = x - y |
| if (x is d0 or x is d1) and (y is d0 or y is d1): |
| expected = timedelta(0) |
| elif x is y is d2: |
| expected = timedelta(0) |
| elif x is d2: |
| expected = timedelta(minutes=(11-59)-0) |
| else: |
| assert y is d2 |
| expected = timedelta(minutes=0-(11-59)) |
| self.assertEqual(got, expected) |
| |
| def test_mixed_compare(self): |
| t1 = datetime(1, 2, 3, 4, 5, 6, 7) |
| t2 = datetime(1, 2, 3, 4, 5, 6, 7) |
| self.assertEqual(t1, t2) |
| t2 = t2.replace(tzinfo=None) |
| self.assertEqual(t1, t2) |
| t2 = t2.replace(tzinfo=FixedOffset(None, "")) |
| self.assertEqual(t1, t2) |
| t2 = t2.replace(tzinfo=FixedOffset(0, "")) |
| self.assertNotEqual(t1, t2) |
| |
| # In datetime w/ identical tzinfo objects, utcoffset is ignored. |
| class Varies(tzinfo): |
| def __init__(self): |
| self.offset = timedelta(minutes=22) |
| def utcoffset(self, t): |
| self.offset += timedelta(minutes=1) |
| return self.offset |
| |
| v = Varies() |
| t1 = t2.replace(tzinfo=v) |
| t2 = t2.replace(tzinfo=v) |
| self.assertEqual(t1.utcoffset(), timedelta(minutes=23)) |
| self.assertEqual(t2.utcoffset(), timedelta(minutes=24)) |
| self.assertEqual(t1, t2) |
| |
| # But if they're not identical, it isn't ignored. |
| t2 = t2.replace(tzinfo=Varies()) |
| self.assertTrue(t1 < t2) # t1's offset counter still going up |
| |
| def test_subclass_datetimetz(self): |
| |
| class C(self.theclass): |
| theAnswer = 42 |
| |
| def __new__(cls, *args, **kws): |
| temp = kws.copy() |
| extra = temp.pop('extra') |
| result = self.theclass.__new__(cls, *args, **temp) |
| result.extra = extra |
| return result |
| |
| def newmeth(self, start): |
| return start + self.hour + self.year |
| |
| args = 2002, 12, 31, 4, 5, 6, 500, FixedOffset(-300, "EST", 1) |
| |
| dt1 = self.theclass(*args) |
| dt2 = C(*args, **{'extra': 7}) |
| |
| self.assertEqual(dt2.__class__, C) |
| self.assertEqual(dt2.theAnswer, 42) |
| self.assertEqual(dt2.extra, 7) |
| self.assertEqual(dt1.utcoffset(), dt2.utcoffset()) |
| self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.year - 7) |
| |
| # Pain to set up DST-aware tzinfo classes. |
| |
| def first_sunday_on_or_after(dt): |
| days_to_go = 6 - dt.weekday() |
| if days_to_go: |
| dt += timedelta(days_to_go) |
| return dt |
| |
| ZERO = timedelta(0) |
| MINUTE = timedelta(minutes=1) |
| HOUR = timedelta(hours=1) |
| DAY = timedelta(days=1) |
| # In the US, DST starts at 2am (standard time) on the first Sunday in April. |
| DSTSTART = datetime(1, 4, 1, 2) |
| # and ends at 2am (DST time; 1am standard time) on the last Sunday of Oct, |
| # which is the first Sunday on or after Oct 25. Because we view 1:MM as |
| # being standard time on that day, there is no spelling in local time of |
| # the last hour of DST (that's 1:MM DST, but 1:MM is taken as standard time). |
| DSTEND = datetime(1, 10, 25, 1) |
| |
| class USTimeZone(tzinfo): |
| |
| def __init__(self, hours, reprname, stdname, dstname): |
| self.stdoffset = timedelta(hours=hours) |
| self.reprname = reprname |
| self.stdname = stdname |
| self.dstname = dstname |
| |
| def __repr__(self): |
| return self.reprname |
| |
| def tzname(self, dt): |
| if self.dst(dt): |
| return self.dstname |
| else: |
| return self.stdname |
| |
| def utcoffset(self, dt): |
| return self.stdoffset + self.dst(dt) |
| |
| def dst(self, dt): |
| if dt is None or dt.tzinfo is None: |
| # An exception instead may be sensible here, in one or more of |
| # the cases. |
| return ZERO |
| assert dt.tzinfo is self |
| |
| # Find first Sunday in April. |
| start = first_sunday_on_or_after(DSTSTART.replace(year=dt.year)) |
| assert start.weekday() == 6 and start.month == 4 and start.day <= 7 |
| |
| # Find last Sunday in October. |
| end = first_sunday_on_or_after(DSTEND.replace(year=dt.year)) |
| assert end.weekday() == 6 and end.month == 10 and end.day >= 25 |
| |
| # Can't compare naive to aware objects, so strip the timezone from |
| # dt first. |
| if start <= dt.replace(tzinfo=None) < end: |
| return HOUR |
| else: |
| return ZERO |
| |
| Eastern = USTimeZone(-5, "Eastern", "EST", "EDT") |
| Central = USTimeZone(-6, "Central", "CST", "CDT") |
| Mountain = USTimeZone(-7, "Mountain", "MST", "MDT") |
| Pacific = USTimeZone(-8, "Pacific", "PST", "PDT") |
| utc_real = FixedOffset(0, "UTC", 0) |
| # For better test coverage, we want another flavor of UTC that's west of |
| # the Eastern and Pacific timezones. |
| utc_fake = FixedOffset(-12*60, "UTCfake", 0) |
| |
| class TestTimezoneConversions(unittest.TestCase): |
| # The DST switch times for 2002, in std time. |
| dston = datetime(2002, 4, 7, 2) |
| dstoff = datetime(2002, 10, 27, 1) |
| |
| theclass = datetime |
| |
| # Check a time that's inside DST. |
| def checkinside(self, dt, tz, utc, dston, dstoff): |
| self.assertEqual(dt.dst(), HOUR) |
| |
| # Conversion to our own timezone is always an identity. |
| self.assertEqual(dt.astimezone(tz), dt) |
| |
| asutc = dt.astimezone(utc) |
| there_and_back = asutc.astimezone(tz) |
| |
| # Conversion to UTC and back isn't always an identity here, |
| # because there are redundant spellings (in local time) of |
| # UTC time when DST begins: the clock jumps from 1:59:59 |
| # to 3:00:00, and a local time of 2:MM:SS doesn't really |
| # make sense then. The classes above treat 2:MM:SS as |
| # daylight time then (it's "after 2am"), really an alias |
| # for 1:MM:SS standard time. The latter form is what |
| # conversion back from UTC produces. |
| if dt.date() == dston.date() and dt.hour == 2: |
| # We're in the redundant hour, and coming back from |
| # UTC gives the 1:MM:SS standard-time spelling. |
| self.assertEqual(there_and_back + HOUR, dt) |
| # Although during was considered to be in daylight |
| # time, there_and_back is not. |
| self.assertEqual(there_and_back.dst(), ZERO) |
| # They're the same times in UTC. |
| self.assertEqual(there_and_back.astimezone(utc), |
| dt.astimezone(utc)) |
| else: |
| # We're not in the redundant hour. |
| self.assertEqual(dt, there_and_back) |
| |
| # Because we have a redundant spelling when DST begins, there is |
| # (unfortunately) an hour when DST ends that can't be spelled at all in |
| # local time. When DST ends, the clock jumps from 1:59 back to 1:00 |
| # again. The hour 1:MM DST has no spelling then: 1:MM is taken to be |
| # standard time. 1:MM DST == 0:MM EST, but 0:MM is taken to be |
| # daylight time. The hour 1:MM daylight == 0:MM standard can't be |
| # expressed in local time. Nevertheless, we want conversion back |
| # from UTC to mimic the local clock's "repeat an hour" behavior. |
| nexthour_utc = asutc + HOUR |
| nexthour_tz = nexthour_utc.astimezone(tz) |
| if dt.date() == dstoff.date() and dt.hour == 0: |
| # We're in the hour before the last DST hour. The last DST hour |
| # is ineffable. We want the conversion back to repeat 1:MM. |
| self.assertEqual(nexthour_tz, dt.replace(hour=1)) |
| nexthour_utc += HOUR |
| nexthour_tz = nexthour_utc.astimezone(tz) |
| self.assertEqual(nexthour_tz, dt.replace(hour=1)) |
| else: |
| self.assertEqual(nexthour_tz - dt, HOUR) |
| |
| # Check a time that's outside DST. |
| def checkoutside(self, dt, tz, utc): |
| self.assertEqual(dt.dst(), ZERO) |
| |
| # Conversion to our own timezone is always an identity. |
| self.assertEqual(dt.astimezone(tz), dt) |
| |
| # Converting to UTC and back is an identity too. |
| asutc = dt.astimezone(utc) |
| there_and_back = asutc.astimezone(tz) |
| self.assertEqual(dt, there_and_back) |
| |
| def convert_between_tz_and_utc(self, tz, utc): |
| dston = self.dston.replace(tzinfo=tz) |
| # Because 1:MM on the day DST ends is taken as being standard time, |
| # there is no spelling in tz for the last hour of daylight time. |
| # For purposes of the test, the last hour of DST is 0:MM, which is |
| # taken as being daylight time (and 1:MM is taken as being standard |
| # time). |
| dstoff = self.dstoff.replace(tzinfo=tz) |
| for delta in (timedelta(weeks=13), |
| DAY, |
| HOUR, |
| timedelta(minutes=1), |
| timedelta(microseconds=1)): |
| |
| self.checkinside(dston, tz, utc, dston, dstoff) |
| for during in dston + delta, dstoff - delta: |
| self.checkinside(during, tz, utc, dston, dstoff) |
| |
| self.checkoutside(dstoff, tz, utc) |
| for outside in dston - delta, dstoff + delta: |
| self.checkoutside(outside, tz, utc) |
| |
| def test_easy(self): |
| # Despite the name of this test, the endcases are excruciating. |
| self.convert_between_tz_and_utc(Eastern, utc_real) |
| self.convert_between_tz_and_utc(Pacific, utc_real) |
| self.convert_between_tz_and_utc(Eastern, utc_fake) |
| self.convert_between_tz_and_utc(Pacific, utc_fake) |
| # The next is really dancing near the edge. It works because |
| # Pacific and Eastern are far enough apart that their "problem |
| # hours" don't overlap. |
| self.convert_between_tz_and_utc(Eastern, Pacific) |
| self.convert_between_tz_and_utc(Pacific, Eastern) |
| # OTOH, these fail! Don't enable them. The difficulty is that |
| # the edge case tests assume that every hour is representable in |
| # the "utc" class. This is always true for a fixed-offset tzinfo |
| # class (lke utc_real and utc_fake), but not for Eastern or Central. |
| # For these adjacent DST-aware time zones, the range of time offsets |
| # tested ends up creating hours in the one that aren't representable |
| # in the other. For the same reason, we would see failures in the |
| # Eastern vs Pacific tests too if we added 3*HOUR to the list of |
| # offset deltas in convert_between_tz_and_utc(). |
| # |
| # self.convert_between_tz_and_utc(Eastern, Central) # can't work |
| # self.convert_between_tz_and_utc(Central, Eastern) # can't work |
| |
| def test_tricky(self): |
| # 22:00 on day before daylight starts. |
| fourback = self.dston - timedelta(hours=4) |
| ninewest = FixedOffset(-9*60, "-0900", 0) |
| fourback = fourback.replace(tzinfo=ninewest) |
| # 22:00-0900 is 7:00 UTC == 2:00 EST == 3:00 DST. Since it's "after |
| # 2", we should get the 3 spelling. |
| # If we plug 22:00 the day before into Eastern, it "looks like std |
| # time", so its offset is returned as -5, and -5 - -9 = 4. Adding 4 |
| # to 22:00 lands on 2:00, which makes no sense in local time (the |
| # local clock jumps from 1 to 3). The point here is to make sure we |
| # get the 3 spelling. |
| expected = self.dston.replace(hour=3) |
| got = fourback.astimezone(Eastern).replace(tzinfo=None) |
| self.assertEqual(expected, got) |
| |
| # Similar, but map to 6:00 UTC == 1:00 EST == 2:00 DST. In that |
| # case we want the 1:00 spelling. |
| sixutc = self.dston.replace(hour=6, tzinfo=utc_real) |
| # Now 6:00 "looks like daylight", so the offset wrt Eastern is -4, |
| # and adding -4-0 == -4 gives the 2:00 spelling. We want the 1:00 EST |
| # spelling. |
| expected = self.dston.replace(hour=1) |
| got = sixutc.astimezone(Eastern).replace(tzinfo=None) |
| self.assertEqual(expected, got) |
| |
| # Now on the day DST ends, we want "repeat an hour" behavior. |
| # UTC 4:MM 5:MM 6:MM 7:MM checking these |
| # EST 23:MM 0:MM 1:MM 2:MM |
| # EDT 0:MM 1:MM 2:MM 3:MM |
| # wall 0:MM 1:MM 1:MM 2:MM against these |
| for utc in utc_real, utc_fake: |
| for tz in Eastern, Pacific: |
| first_std_hour = self.dstoff - timedelta(hours=2) # 23:MM |
| # Convert that to UTC. |
| first_std_hour -= tz.utcoffset(None) |
| # Adjust for possibly fake UTC. |
| asutc = first_std_hour + utc.utcoffset(None) |
| # First UTC hour to convert; this is 4:00 when utc=utc_real & |
| # tz=Eastern. |
| asutcbase = asutc.replace(tzinfo=utc) |
| for tzhour in (0, 1, 1, 2): |
| expectedbase = self.dstoff.replace(hour=tzhour) |
| for minute in 0, 30, 59: |
| expected = expectedbase.replace(minute=minute) |
| asutc = asutcbase.replace(minute=minute) |
| astz = asutc.astimezone(tz) |
| self.assertEqual(astz.replace(tzinfo=None), expected) |
| asutcbase += HOUR |
| |
| |
| def test_bogus_dst(self): |
| class ok(tzinfo): |
| def utcoffset(self, dt): return HOUR |
| def dst(self, dt): return HOUR |
| |
| now = self.theclass.now().replace(tzinfo=utc_real) |
| # Doesn't blow up. |
| now.astimezone(ok()) |
| |
| # Does blow up. |
| class notok(ok): |
| def dst(self, dt): return None |
| self.assertRaises(ValueError, now.astimezone, notok()) |
| |
| # Sometimes blow up. In the following, tzinfo.dst() |
| # implementation may return None or not None depending on |
| # whether DST is assumed to be in effect. In this situation, |
| # a ValueError should be raised by astimezone(). |
| class tricky_notok(ok): |
| def dst(self, dt): |
| if dt.year == 2000: |
| return None |
| else: |
| return 10*HOUR |
| dt = self.theclass(2001, 1, 1).replace(tzinfo=utc_real) |
| self.assertRaises(ValueError, dt.astimezone, tricky_notok()) |
| |
| def test_fromutc(self): |
| self.assertRaises(TypeError, Eastern.fromutc) # not enough args |
| now = datetime.utcnow().replace(tzinfo=utc_real) |
| self.assertRaises(ValueError, Eastern.fromutc, now) # wrong tzinfo |
| now = now.replace(tzinfo=Eastern) # insert correct tzinfo |
| enow = Eastern.fromutc(now) # doesn't blow up |
| self.assertEqual(enow.tzinfo, Eastern) # has right tzinfo member |
| self.assertRaises(TypeError, Eastern.fromutc, now, now) # too many args |
| self.assertRaises(TypeError, Eastern.fromutc, date.today()) # wrong type |
| |
| # Always converts UTC to standard time. |
| class FauxUSTimeZone(USTimeZone): |
| def fromutc(self, dt): |
| return dt + self.stdoffset |
| FEastern = FauxUSTimeZone(-5, "FEastern", "FEST", "FEDT") |
| |
| # UTC 4:MM 5:MM 6:MM 7:MM 8:MM 9:MM |
| # EST 23:MM 0:MM 1:MM 2:MM 3:MM 4:MM |
| # EDT 0:MM 1:MM 2:MM 3:MM 4:MM 5:MM |
| |
| # Check around DST start. |
| start = self.dston.replace(hour=4, tzinfo=Eastern) |
| fstart = start.replace(tzinfo=FEastern) |
| for wall in 23, 0, 1, 3, 4, 5: |
| expected = start.replace(hour=wall) |
| if wall == 23: |
| expected -= timedelta(days=1) |
| got = Eastern.fromutc(start) |
| self.assertEqual(expected, got) |
| |
| expected = fstart + FEastern.stdoffset |
| got = FEastern.fromutc(fstart) |
| self.assertEqual(expected, got) |
| |
| # Ensure astimezone() calls fromutc() too. |
| got = fstart.replace(tzinfo=utc_real).astimezone(FEastern) |
| self.assertEqual(expected, got) |
| |
| start += HOUR |
| fstart += HOUR |
| |
| # Check around DST end. |
| start = self.dstoff.replace(hour=4, tzinfo=Eastern) |
| fstart = start.replace(tzinfo=FEastern) |
| for wall in 0, 1, 1, 2, 3, 4: |
| expected = start.replace(hour=wall) |
| got = Eastern.fromutc(start) |
| self.assertEqual(expected, got) |
| |
| expected = fstart + FEastern.stdoffset |
| got = FEastern.fromutc(fstart) |
| self.assertEqual(expected, got) |
| |
| # Ensure astimezone() calls fromutc() too. |
| got = fstart.replace(tzinfo=utc_real).astimezone(FEastern) |
| self.assertEqual(expected, got) |
| |
| start += HOUR |
| fstart += HOUR |
| |
| |
| ############################################################################# |
| # oddballs |
| |
| class Oddballs(unittest.TestCase): |
| |
| def test_bug_1028306(self): |
| # Trying to compare a date to a datetime should act like a mixed- |
| # type comparison, despite that datetime is a subclass of date. |
| as_date = date.today() |
| as_datetime = datetime.combine(as_date, time()) |
| self.assertTrue(as_date != as_datetime) |
| self.assertTrue(as_datetime != as_date) |
| self.assertFalse(as_date == as_datetime) |
| self.assertFalse(as_datetime == as_date) |
| self.assertRaises(TypeError, lambda: as_date < as_datetime) |
| self.assertRaises(TypeError, lambda: as_datetime < as_date) |
| self.assertRaises(TypeError, lambda: as_date <= as_datetime) |
| self.assertRaises(TypeError, lambda: as_datetime <= as_date) |
| self.assertRaises(TypeError, lambda: as_date > as_datetime) |
| self.assertRaises(TypeError, lambda: as_datetime > as_date) |
| self.assertRaises(TypeError, lambda: as_date >= as_datetime) |
| self.assertRaises(TypeError, lambda: as_datetime >= as_date) |
| |
| # Neverthelss, comparison should work with the base-class (date) |
| # projection if use of a date method is forced. |
| self.assertEqual(as_date.__eq__(as_datetime), True) |
| different_day = (as_date.day + 1) % 20 + 1 |
| as_different = as_datetime.replace(day= different_day) |
| self.assertEqual(as_date.__eq__(as_different), False) |
| |
| # And date should compare with other subclasses of date. If a |
| # subclass wants to stop this, it's up to the subclass to do so. |
| date_sc = SubclassDate(as_date.year, as_date.month, as_date.day) |
| self.assertEqual(as_date, date_sc) |
| self.assertEqual(date_sc, as_date) |
| |
| # Ditto for datetimes. |
| datetime_sc = SubclassDatetime(as_datetime.year, as_datetime.month, |
| as_date.day, 0, 0, 0) |
| self.assertEqual(as_datetime, datetime_sc) |
| self.assertEqual(datetime_sc, as_datetime) |
| |
| def test_main(): |
| support.run_unittest(__name__) |
| |
| if __name__ == "__main__": |
| test_main() |