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import unittest
from datetime import datetime, timedelta, tzinfo
import udatetime
NO_DST = timedelta(0)
class Test(unittest.TestCase):
def test_utcnow(self):
dt_now = datetime.utcnow()
now = udatetime.utcnow()
self.assertIsInstance(now, datetime)
self.assertEqual(now.year, dt_now.year)
self.assertEqual(now.month, dt_now.month)
self.assertEqual(now.day, dt_now.day)
self.assertEqual(now.hour, dt_now.hour)
self.assertEqual(now.minute, dt_now.minute)
self.assertEqual(now.second, dt_now.second)
# self.assertEqual(now.microsecond, dt_now.microsecond)
self.assertEqual(now.utcoffset(), timedelta(0))
self.assertEqual(now.dst(), NO_DST)
def test_now(self):
dt_now = datetime.now()
now = udatetime.now()
self.assertIsInstance(now, datetime)
self.assertEqual(now.year, dt_now.year)
self.assertEqual(now.month, dt_now.month)
self.assertEqual(now.day, dt_now.day)
self.assertEqual(now.hour, dt_now.hour)
self.assertEqual(now.minute, dt_now.minute)
self.assertEqual(now.second, dt_now.second)
# self.assertEqual(now.microsecond, dt_now.microsecond)
def test_from_and_to_string(self):
rfc3339 = '2016-07-15T12:33:20.123000+01:30'
dt = udatetime.from_string(rfc3339)
self.assertIsInstance(dt, datetime)
self.assertEqual(dt.year, 2016)
self.assertEqual(dt.month, 7)
self.assertEqual(dt.day, 15)
self.assertEqual(dt.hour, 12)
self.assertEqual(dt.minute, 33)
self.assertEqual(dt.second, 20)
self.assertEqual(dt.microsecond, 123000)
self.assertEqual(dt.utcoffset(), timedelta(hours=1, minutes=30))
self.assertEqual(dt.dst(), NO_DST)
self.assertEqual(udatetime.to_string(dt), rfc3339)
rfc3339 = '2016-07-18T12:58:26.485897-02:00'
dt = udatetime.from_string(rfc3339)
self.assertEqual(udatetime.to_string(dt), rfc3339)
def test_fromtimestamp(self):
DAY = 86400
HOUR = 3600
TZ_CEST = udatetime.TZFixedOffset(60 * 2)
for t in range(0, DAY - (2 * HOUR), HOUR):
dt = datetime.fromtimestamp(t)
udt = udatetime.fromtimestamp(t)
self.assertIsInstance(udt, datetime)
self.assertEqual(udt.year, dt.year)
self.assertEqual(udt.month, dt.month)
self.assertEqual(udt.day, dt.day)
self.assertEqual(udt.hour, dt.hour)
self.assertEqual(udt.minute, dt.minute)
self.assertEqual(udt.second, dt.second)
self.assertEqual(udt.microsecond, dt.microsecond)
offset = datetime.fromtimestamp(t) - datetime.utcfromtimestamp(t)
self.assertEqual(udt.utcoffset(), offset)
self.assertEqual(udt.dst(), NO_DST)
for t in range(0, DAY, HOUR):
dt = datetime.fromtimestamp(t, TZ_CEST)
udt = udatetime.fromtimestamp(t, TZ_CEST)
self.assertIsInstance(udt, datetime)
self.assertEqual(udt.year, dt.year)
self.assertEqual(udt.month, dt.month)
self.assertEqual(udt.day, dt.day)
self.assertEqual(udt.hour, dt.hour)
self.assertEqual(udt.minute, dt.minute)
self.assertEqual(udt.second, dt.second)
self.assertEqual(udt.microsecond, dt.microsecond)
self.assertEqual(udt.utcoffset(), timedelta(hours=2))
self.assertEqual(udt.dst(), NO_DST)
for t in range(0, DAY * -1, HOUR * -1):
dt = datetime.fromtimestamp(t, TZ_CEST)
udt = udatetime.fromtimestamp(t, TZ_CEST)
self.assertIsInstance(udt, datetime)
self.assertEqual(udt.year, dt.year)
self.assertEqual(udt.month, dt.month)
self.assertEqual(udt.day, dt.day)
self.assertEqual(udt.hour, dt.hour)
self.assertEqual(udt.minute, dt.minute)
self.assertEqual(udt.second, dt.second)
self.assertEqual(udt.microsecond, dt.microsecond)
self.assertEqual(udt.utcoffset(), timedelta(hours=2))
self.assertEqual(udt.dst(), NO_DST)
def test_utcfromtimestamp(self):
DAY = 86400
HOUR = 3600
for t in range(0, DAY, HOUR):
dt = datetime.utcfromtimestamp(t)
udt = udatetime.utcfromtimestamp(t)
self.assertIsInstance(udt, datetime)
self.assertEqual(udt.year, dt.year)
self.assertEqual(udt.month, dt.month)
self.assertEqual(udt.day, dt.day)
self.assertEqual(udt.hour, dt.hour)
self.assertEqual(udt.minute, dt.minute)
self.assertEqual(udt.second, dt.second)
self.assertEqual(udt.microsecond, dt.microsecond)
self.assertEqual(udt.utcoffset(), timedelta(0))
self.assertEqual(udt.dst(), NO_DST)
for t in range(0, DAY * -1, HOUR * -1):
dt = datetime.utcfromtimestamp(t)
udt = udatetime.utcfromtimestamp(t)
self.assertIsInstance(udt, datetime)
self.assertEqual(udt.year, dt.year)
self.assertEqual(udt.month, dt.month)
self.assertEqual(udt.day, dt.day)
self.assertEqual(udt.hour, dt.hour)
self.assertEqual(udt.minute, dt.minute)
self.assertEqual(udt.second, dt.second)
self.assertEqual(udt.microsecond, dt.microsecond)
self.assertEqual(udt.utcoffset(), timedelta(0))
self.assertEqual(udt.dst(), NO_DST)
def test_broken_from_string(self):
invalid = [
'2016-07-15 12:33:20.123000+01:30',
'2016-13-15T12:33:20.123000+01:30',
'20161315T12:33:20.123000+01:30',
'Hello World',
'2016-07-15 12:33:20.123000+01:302016-07-15 12:33:20.123000+01:30',
'2016-07-15T12:33:20.1Z0',
'2016-07-15T12:33:20.1 +01:30f',
]
for r in invalid:
with self.assertRaises(ValueError):
udatetime.from_string(r)
def test_ok_from_string(self):
rfc3339s = [
'2016-07-15 T 12:33:20.123000 +01:30',
'2016-07-15 T 12:33:20.123000 +01:30',
'2016-07-15T12:33:20.123 +01:30',
'2016-07-15T12:33:20 +01:30',
'2016-07-15T12:33:20 Z',
'2016-07-15T12:33:20',
'2016-07-15t12:33:20',
'2016-07-15T12:33:20.1 +01:30',
]
for r in rfc3339s:
self.assertIsInstance(
udatetime.from_string(r),
datetime
)
def test_tzone(self):
rfc3339 = '2016-07-15T12:33:20.123000+01:30'
dt = udatetime.from_string(rfc3339)
offset = dt.tzinfo.utcoffset()
dst = dt.tzinfo.dst()
self.assertIsInstance(offset, timedelta)
self.assertEqual(offset.total_seconds() / 60, 90)
self.assertEqual(dst, NO_DST)
rfc3339 = '2016-07-15T12:33:20.123000Z'
dt = udatetime.from_string(rfc3339)
offset = dt.tzinfo.utcoffset()
dst = dt.tzinfo.dst()
self.assertIsInstance(offset, timedelta)
self.assertEqual(offset.total_seconds(), 0)
self.assertEqual(dst, NO_DST)
rfc3339 = '2016-07-15T12:33:20.123000-02:00'
dt = udatetime.from_string(rfc3339)
offset = dt.tzinfo.utcoffset()
dst = dt.tzinfo.dst()
self.assertIsInstance(offset, timedelta)
self.assertEqual(offset.total_seconds() / 60, -120)
self.assertEqual(dst, NO_DST)
def test_precision(self):
t = 1469897308.549871
dt = datetime.fromtimestamp(t)
udt = udatetime.fromtimestamp(t)
self.assertEqual(udt.microsecond, dt.microsecond)
def test_raise_on_not_TZFixedOffset(self):
class TZInvalid(tzinfo):
def utcoffset(self, dt=None):
return timedelta(seconds=0)
def dst(self, dt=None):
return timedelta(seconds=0)
dt = datetime.now(TZInvalid())
with self.assertRaises(ValueError):
udatetime.to_string(dt)
def test_variable_fraction(self):
rfc3339 = '2016-07-15T12:33:20.1'
d1 = udatetime.from_string(rfc3339 + ('0' * 5) + 'Z')
for x in range(0, 6):
d2 = udatetime.from_string(rfc3339 + ('0' * x) + 'Z')
self.assertEqual(d1, d2)
self.assertEqual(
udatetime.from_string('2016-07-15T12:33:20.123Z'),
udatetime.from_string('2016-07-15T12:33:20.123000Z'),
)
self.assertEqual(
udatetime.from_string('2016-07-15T12:33:20.0Z'),
udatetime.from_string('2016-07-15T12:33:20Z'),
)
if __name__ == '__main__':
unittest.main()
|
