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test_construct.py
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217 lines (161 loc) · 7.73 KB
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# -*- coding: utf-8 -*-
import os
import pytz
import pendulum
from datetime import datetime, timedelta
from dateutil import tz
from pendulum import Pendulum, PRE_TRANSITION, POST_TRANSITION
from pendulum.tz import timezone
from pendulum.tz.timezone_info import TimezoneInfo
from .. import AbstractTestCase
class ConstructTest(AbstractTestCase):
def tearDown(self):
super(ConstructTest, self).tearDown()
if os.getenv('TZ'):
del os.environ['TZ']
def test_creates_an_instance_default_to_utcnow(self):
now = Pendulum.utcnow()
p = Pendulum(now.year, now.month, now.day, now.hour, now.minute, now.second)
self.assertIsInstanceOfPendulum(p)
self.assertEqual(p.timezone_name, now.timezone_name)
self.assertPendulum(p, now.year, now.month, now.day, now.hour, now.minute, now.second)
def test_parse_creates_an_instance_default_to_utcnow(self):
p = Pendulum.parse()
now = Pendulum.utcnow()
self.assertIsInstanceOfPendulum(p)
self.assertEqual(p.timezone_name, p.timezone_name)
self.assertPendulum(p, now.year, now.month, now.day, now.hour, now.minute, now.second)
def test_parse_with_default_timezone(self):
p = Pendulum.parse('now')
self.assertEqual('America/Toronto', p.timezone_name)
def test_parse_with_offset_in_string(self):
p = Pendulum.parse('2016-04-15T18:21:08.7454873-05:00')
self.assertPendulum(p, 2016, 4, 15, 18, 21, 8)
self.assertEqual('-05:00', p.timezone_name)
self.assertEqual(-18000, p.offset)
def test_parse_with_partial_offset_in_string(self):
p = Pendulum.parse('2016-04-15T18:21:08.7454873-00:30')
self.assertPendulum(p, 2016, 4, 15, 18, 21, 8)
self.assertEqual('-00:30', p.timezone_name)
self.assertEqual(-1800, p.offset)
def test_setting_timezone(self):
tz = 'Europe/London'
dtz = timezone(tz)
dt = datetime.utcnow()
offset = dtz.convert(dt).tzinfo.offset / 3600
p = Pendulum(dt.year, dt.month, dt.day, tzinfo=dtz)
self.assertEqual(tz, p.timezone_name)
self.assertEqual(int(offset), p.offset_hours)
def test_parse_setting_timezone(self):
tz = 'Europe/London'
dtz = timezone(tz)
dt = datetime.utcnow()
offset = dtz.convert(dt).tzinfo.offset / 3600
p = Pendulum.parse(tz=dtz)
self.assertEqual(tz, p.timezone_name)
self.assertEqual(int(offset), p.offset_hours)
def test_setting_timezone_with_string(self):
tz = 'Europe/London'
dtz = timezone(tz)
dt = datetime.utcnow()
offset = dtz.convert(dt).tzinfo.offset / 3600
p = Pendulum(dt.year, dt.month, dt.day, tzinfo=tz)
self.assertEqual(tz, p.timezone_name)
self.assertEqual(int(offset), p.offset_hours)
def test_parse_setting_timezone_with_string(self):
tz = 'Europe/London'
dtz = timezone(tz)
dt = datetime.utcnow()
offset = dtz.convert(dt).tzinfo.offset / 3600
p = Pendulum.parse(tz=tz)
self.assertEqual(tz, p.timezone_name)
self.assertEqual(int(offset), p.offset_hours)
def test_parse_with_options(self):
p = Pendulum.parse('2016-04-11T18:21:08.7454873-05:00', day_first=True)
self.assertPendulum(p, 2016, 11, 4, 18, 21, 8, 745487)
self.assertEqual('-05:00', p.timezone_name)
self.assertEqual(p.offset, -18000)
def test_parse_with_invalid_string(self):
self.assertRaises(ValueError, Pendulum.parse, 'Invalid_string')
def test_today(self):
today = Pendulum.today()
self.assertIsInstanceOfPendulum(today)
def test_tomorrow(self):
now = Pendulum.now().start_of('day')
tomorrow = Pendulum.tomorrow()
self.assertIsInstanceOfPendulum(tomorrow)
self.assertEqual(1, now.diff(tomorrow).in_days())
def test_yesterday(self):
now = Pendulum.now().start_of('day')
yesterday = Pendulum.yesterday()
self.assertIsInstanceOfPendulum(yesterday)
self.assertEqual(-1, now.diff(yesterday, False).in_days())
def test_instance_naive_datetime_defaults_to_utc(self):
now = Pendulum.instance(datetime.now())
self.assertEqual('UTC', now.timezone_name)
def test_instance_timezone_aware_datetime(self):
now = Pendulum.instance(
datetime.now(TimezoneInfo(timezone('Europe/Paris'), 7200, True, timedelta(0, 3600), 'EST'))
)
self.assertEqual('Europe/Paris', now.timezone_name)
def test_instance_timezone_aware_datetime_pytz(self):
now = Pendulum.instance(
datetime.now(pytz.timezone('Europe/Paris'))
)
self.assertEqual('Europe/Paris', now.timezone_name)
def test_instance_timezone_aware_datetime_any_tzinfo(self):
dt = datetime(2016, 8, 7, 12, 34, 56, tzinfo=tz.gettz('Europe/Paris'))
now = Pendulum.instance(dt)
self.assertEqual('+02:00', now.timezone_name)
def test_now(self):
now = Pendulum.now('America/Toronto')
in_paris = Pendulum.now('Europe/Paris')
self.assertNotEqual(now.hour, in_paris.hour)
def test_now_with_fixed_offset(self):
now = Pendulum.now(6)
self.assertEqual(now.timezone_name, '+06:00')
def test_create(self):
with self.wrap_with_test_now(Pendulum(2016, 8, 7, 12, 34, 56)):
now = Pendulum.now()
d = Pendulum.create()
self.assertPendulum(d, now.year, now.month, now.day, 0, 0, 0, 0)
d = Pendulum.create(year=1975)
self.assertPendulum(d, 1975, now.month, now.day, 0, 0, 0, 0)
d = Pendulum.create(month=11)
self.assertPendulum(d, now.year, 11, now.day, 0, 0, 0, 0)
d = Pendulum.create(day=27)
self.assertPendulum(d, now.year, now.month, 27, 0, 0, 0, 0)
d = Pendulum.create(hour=12)
self.assertPendulum(d, now.year, now.month, now.day, 12, 0, 0, 0)
d = Pendulum.create(minute=12)
self.assertPendulum(d, now.year, now.month, now.day, 0, 12, 0, 0)
d = Pendulum.create(second=12)
self.assertPendulum(d, now.year, now.month, now.day, 0, 0, 12, 0)
d = Pendulum.create(microsecond=123456)
self.assertPendulum(d, now.year, now.month, now.day, 0, 0, 0, 123456)
def test_create_with_not_transition_timezone(self):
dt = Pendulum.create(tz='Etc/UTC')
self.assertEqual('Etc/UTC', dt.timezone_name)
def test_create_maintains_microseconds(self):
d = Pendulum.create(2016, 11, 12, 2, 9, 39, 594000, 'America/Panama')
self.assertPendulum(d, 2016, 11, 12, 2, 9, 39, 594000)
d = Pendulum.create(2316, 11, 12, 2, 9, 39, 857, 'America/Panama')
self.assertPendulum(d, 2316, 11, 12, 2, 9, 39, 857)
def test_init_fold_is_honored_if_explicit(self):
d = Pendulum(2013, 3, 31, 2, 30, tzinfo='Europe/Paris')
# Default value of None for Pendulum instances
# so default rule will be applied
self.assertPendulum(d, 2013, 3, 31, 3, 30)
Pendulum.set_transition_rule(PRE_TRANSITION)
d = Pendulum(2013, 3, 31, 2, 30, tzinfo='Europe/Paris')
self.assertPendulum(d, 2013, 3, 31, 1, 30)
Pendulum.set_transition_rule(POST_TRANSITION)
d = Pendulum(2013, 3, 31, 2, 30, tzinfo='Europe/Paris', fold=0)
self.assertPendulum(d, 2013, 3, 31, 1, 30)
self.assertEqual(d.fold, 0)
d = Pendulum(2013, 3, 31, 2, 30, tzinfo='Europe/Paris', fold=1)
self.assertPendulum(d, 2013, 3, 31, 3, 30)
self.assertEqual(d.fold, 1)
def test_second_inaccuracy_on_past_datetimes(self):
dt = pendulum.create(1901, 12, 13, 0, 0, 0, 555555, tz='US/Central')
self.assertPendulum(dt, 1901, 12, 13, 0, 0, 0, 555555)