Issue #7989: Added pure python implementation of the datetime module.
diff --git a/Lib/test/test_datetime.py b/Lib/test/test_datetime.py
index bb36001..ded2aa9 100644
--- a/Lib/test/test_datetime.py
+++ b/Lib/test/test_datetime.py
@@ -1,3668 +1,42 @@
-"""Test date/time type.
-
-See http://www.zope.org/Members/fdrake/DateTimeWiki/TestCases
-"""
-
-import sys
-import pickle
import unittest
+import sys
+from test.support import import_fresh_module, run_unittest
+TESTS = 'test.datetimetester'
+# XXX: import_fresh_module() is supposed to leave sys.module cache untouched,
+# XXX: but it does not, so we have to save and restore it ourselves.
+save_sys_modules = sys.modules.copy()
+try:
+ pure_tests = import_fresh_module(TESTS, fresh=['datetime', '_strptime'],
+ blocked=['_datetime'])
+ fast_tests = import_fresh_module(TESTS, fresh=['datetime',
+ '_datetime', '_strptime'])
+finally:
+ sys.modules.clear()
+ sys.modules.update(save_sys_modules)
+test_modules = [pure_tests, fast_tests]
+test_suffixes = ["_Pure", "_Fast"]
-from operator import lt, le, gt, ge, eq, ne, truediv, floordiv, mod
-
-from test import support
-
-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
-
-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")
-
-# decorator for skipping tests on non-IEEE 754 platforms
-requires_IEEE_754 = unittest.skipUnless(
- float.__getformat__("double").startswith("IEEE"),
- "test requires IEEE 754 doubles")
-
-
-#############################################################################
-# module tests
-
-class TestModule(unittest.TestCase):
-
- def test_constants(self):
- import datetime
- 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 TestTZInfo(unittest.TestCase):
-
- 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.assertTrue(type(orig) is tzinfo)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertTrue(type(derived) is 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):
- import datetime
- 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.assertEqual(timezone.utc, timezone(timedelta(0)))
- # 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.assertEqual(None, 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)})
-
- 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 clase 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))
-
- 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 / '')
-
- @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.assertTrue(not t1 != t2)
- self.assertTrue(not t1 < t2)
- self.assertTrue(not 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.assertTrue(not t1 == t2)
- self.assertTrue(not t2 == t1)
- self.assertTrue(not t1 > t2)
- self.assertTrue(not t2 < t1)
- self.assertTrue(not t1 >= t2)
- self.assertTrue(not 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)
-
- @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))
-
- 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.assertTrue(not 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.assertTrue(type(t1) is T)
- self.assertEqual(t1.as_hours(), 24)
-
- t2 = T(days=-1, seconds=-3600)
- self.assertTrue(type(t2) is T)
- self.assertEqual(t2.as_hours(), -25)
-
- t3 = t1 + t2
- self.assertTrue(type(t3) is timedelta)
- t4 = T.from_td(t3)
- self.assertTrue(type(t4) is 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(ValueError, 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.
- self.assertTrue(today == todayagain or
- abs(todayagain - today) < 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.assertTrue(not t1 != t2)
- self.assertTrue(not t1 < t2)
- self.assertTrue(not 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.assertTrue(not t1 == t2)
- self.assertTrue(not t2 == t1)
- self.assertTrue(not t1 > t2)
- self.assertTrue(not t2 < t1)
- self.assertTrue(not t1 >= t2)
- self.assertTrue(not 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_out_of_range(self):
- # For nasty technical reasons, we can't handle years before 1900.
- cls = self.theclass
- self.assertEqual(cls(1900, 1, 1).strftime("%Y"), "1900")
- for y in 1, 49, 51, 99, 100, 1000, 1899:
- self.assertRaises(ValueError, cls(y, 1, 1).strftime, "%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.assertTrue(not t1 != t2)
- self.assertTrue(not t1 < t2)
- self.assertTrue(not 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.assertTrue(not t1 == t2)
- self.assertTrue(not t2 == t1)
- self.assertTrue(not t1 > t2)
- self.assertTrue(not t2 < t1)
- self.assertTrue(not t1 >= t2)
- self.assertTrue(not 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)
-
- def test_microsecond_rounding(self):
- # Test whether fromtimestamp "rounds up" floats that are less
- # than one microsecond smaller than an integer.
- self.assertEqual(self.theclass.fromtimestamp(0.9999999),
- self.theclass.fromtimestamp(1))
-
- 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(ValueError, 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(ValueError, 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.assertTrue(abs(from_timestamp - from_now) <= tolerance)
-
- def test_strptime(self):
- import _strptime
-
- 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(TypeError, dt.astimezone) # not enough args
- 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
- 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.assertTrue(not t1 != t2)
- self.assertTrue(not t1 < t2)
- self.assertTrue(not 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.assertTrue(not t1 == t2)
- self.assertTrue(not t2 == t1)
- self.assertTrue(not t1 > t2)
- self.assertTrue(not t2 < t1)
- self.assertTrue(not t1 >= t2)
- self.assertTrue(not 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.assertTrue(not cls(0))
- self.assertTrue(not 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.assertTrue(t.tzinfo is 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.assertTrue(t.utcoffset() is None)
- self.assertTrue(t.dst() is None)
- self.assertTrue(t.tzname() is None)
-
- 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.assertTrue(t.tzinfo is None)
-
- 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.assertTrue(t4.tzinfo is None)
- 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.assertTrue(t4.utcoffset() is None)
- self.assertRaises(TypeError, t1.utcoffset, "no args")
-
- self.assertEqual(t1.tzname(), "EST")
- self.assertEqual(t2.tzname(), "UTC")
- self.assertEqual(t3.tzname(), "MET")
- self.assertTrue(t4.tzname() is None)
- 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.assertTrue(t4.dst() is None)
- 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.assertRaises(TypeError, lambda: 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):
- def tzname(self, dt): return 42
- t = time(2, 3, 4, tzinfo=Badtzname())
- self.assertEqual(t.strftime("%H:%M:%S"), "02:03:04")
- self.assertRaises(TypeError, 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.assertTrue(not t)
-
- t = cls(23, 59, tzinfo=FixedOffset(23*60 + 59, ""))
- self.assertTrue(not 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.assertTrue(base2.tzinfo is None)
- self.assertTrue(base2.tzname() is None)
-
- # Ensure we can add one.
- base3 = base2.replace(tzinfo=z100)
- self.assertEqual(base, base3)
- self.assertTrue(base.tzinfo is 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.assertRaises(TypeError, lambda: 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 fail.
- t2 = self.theclass.min
- self.assertRaises(TypeError, lambda: 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.assertRaises(TypeError, lambda: 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.assertTrue(nowaware.tzinfo is 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.assertTrue(nowaware.tzinfo is tz55)
- nowawareplus2 = delta + nowaware
- self.assertTrue(nowawareplus2.tzinfo is 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.assertTrue(diff.tzinfo is 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.assertTrue(nowawareplus.tzinfo is 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.assertTrue(another.tzinfo is 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.assertTrue(now.tzinfo is 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.assertTrue(another.tzinfo is 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.assertTrue(base2.tzinfo is None)
- self.assertTrue(base2.tzname() is None)
-
- # Ensure we can add one.
- base3 = base2.replace(tzinfo=z100)
- self.assertEqual(base, base3)
- self.assertTrue(base.tzinfo is 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.assertTrue(dt.tzinfo is f44m)
- # Replacing with degenerate tzinfo raises an exception.
- self.assertRaises(ValueError, dt.astimezone, fnone)
- # Ditto with None tz.
- self.assertRaises(TypeError, dt.astimezone, None)
- # Replacing with same tzinfo makes no change.
- x = dt.astimezone(dt.tzinfo)
- self.assertTrue(x.tzinfo is f44m)
- self.assertEqual(x.date(), dt.date())
- self.assertEqual(x.time(), dt.time())
-
- # Replacing with different tzinfo does adjust.
- got = dt.astimezone(fm5h)
- self.assertTrue(got.tzinfo is 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.assertTrue(got.tzinfo is expected.tzinfo)
- self.assertEqual(got, expected)
-
- 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.assertRaises(TypeError, lambda: 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
- # (unforunately) 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.assertTrue(not as_date == as_datetime)
- self.assertTrue(not 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)
+for module, suffix in zip(test_modules, test_suffixes):
+ for name, cls in module.__dict__.items():
+ if isinstance(cls, type) and issubclass(cls, unittest.TestCase):
+ name += suffix
+ cls.__name__ = name
+ globals()[name] = cls
+ def setUp(self, module=module, setup=cls.setUp):
+ self._save_sys_modules = sys.modules.copy()
+ sys.modules[TESTS] = module
+ sys.modules['datetime'] = module.datetime_module
+ sys.modules['_strptime'] = module._strptime
+ setup(self)
+ def tearDown(self, teardown=cls.tearDown):
+ teardown(self)
+ sys.modules.clear()
+ sys.modules.update(self._save_sys_modules)
+ cls.setUp = setUp
+ cls.tearDown = tearDown
def test_main():
- support.run_unittest(__name__)
+ run_unittest(__name__)
if __name__ == "__main__":
test_main()