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from __future__ import annotations
import os
from datetime import datetime
import pytest
import pendulum
from pendulum import DateTime
from pendulum import timezone
from pendulum.utils._compat import PYPY
from tests.conftest import assert_datetime
if not PYPY:
import time_machine
else:
time_machine = None
@pytest.fixture(autouse=True)
def _setup():
yield
if os.getenv("TZ"):
del os.environ["TZ"]
def test_creates_an_instance_default_to_utcnow():
now = pendulum.now("UTC")
p = pendulum.datetime(
now.year, now.month, now.day, now.hour, now.minute, now.second
)
assert now.timezone_name == p.timezone_name
assert_datetime(p, now.year, now.month, now.day, now.hour, now.minute, now.second)
def test_setting_timezone():
tz = "Europe/London"
dtz = timezone(tz)
dt = datetime.utcnow()
offset = dtz.convert(dt).utcoffset().total_seconds() / 3600
p = pendulum.datetime(dt.year, dt.month, dt.day, tz=dtz)
assert p.timezone_name == tz
assert p.offset_hours == int(offset)
def test_setting_timezone_with_string():
tz = "Europe/London"
dtz = timezone(tz)
dt = datetime.utcnow()
offset = dtz.convert(dt).utcoffset().total_seconds() / 3600
p = pendulum.datetime(dt.year, dt.month, dt.day, tz=tz)
assert p.timezone_name == tz
assert p.offset_hours == int(offset)
def test_today():
today = pendulum.today()
assert isinstance(today, DateTime)
def test_tomorrow():
now = pendulum.now().start_of("day")
tomorrow = pendulum.tomorrow()
assert isinstance(tomorrow, DateTime)
assert now.diff(tomorrow).in_days() == 1
def test_yesterday():
now = pendulum.now().start_of("day")
yesterday = pendulum.yesterday()
assert isinstance(yesterday, DateTime)
assert now.diff(yesterday, False).in_days() == -1
def test_now():
now = pendulum.now("America/Toronto")
in_paris = pendulum.now("Europe/Paris")
assert now.hour != in_paris.hour
if time_machine:
@time_machine.travel("2016-03-27 00:30:00Z", tick=False)
def test_now_dst_off():
utc = pendulum.now("UTC")
in_paris = pendulum.now("Europe/Paris")
in_paris_from_utc = utc.in_tz("Europe/Paris")
assert in_paris.hour == 1
assert not in_paris.is_dst()
assert in_paris.isoformat() == in_paris_from_utc.isoformat()
@time_machine.travel("2016-03-27 01:30:00Z", tick=False)
def test_now_dst_transitioning_on():
utc = pendulum.now("UTC")
in_paris = pendulum.now("Europe/Paris")
in_paris_from_utc = utc.in_tz("Europe/Paris")
assert in_paris.hour == 3
assert in_paris.is_dst()
assert in_paris.isoformat() == in_paris_from_utc.isoformat()
@time_machine.travel("2016-10-30 00:30:00Z", tick=False)
def test_now_dst_on():
utc = pendulum.now("UTC")
in_paris = pendulum.now("Europe/Paris")
in_paris_from_utc = utc.in_tz("Europe/Paris")
assert in_paris.hour == 2
assert in_paris.is_dst()
assert in_paris.isoformat() == in_paris_from_utc.isoformat()
@time_machine.travel("2016-10-30 01:30:00Z", tick=False)
def test_now_dst_transitioning_off():
utc = pendulum.now("UTC")
in_paris = pendulum.now("Europe/Paris")
in_paris_from_utc = utc.in_tz("Europe/Paris")
assert in_paris.hour == 2
assert not in_paris.is_dst()
assert in_paris.isoformat() == in_paris_from_utc.isoformat()
def test_now_with_fixed_offset():
now = pendulum.now(6)
assert now.timezone_name == "+06:00"
def test_create_with_no_transition_timezone():
dt = pendulum.now("Etc/UTC")
assert dt.timezone_name == "Etc/UTC"
def test_create_maintains_microseconds():
d = pendulum.datetime(2016, 11, 12, 2, 9, 39, 594000, tz="America/Panama")
assert_datetime(d, 2016, 11, 12, 2, 9, 39, 594000)
d = pendulum.datetime(2316, 11, 12, 2, 9, 39, 857, tz="America/Panama")
assert_datetime(d, 2316, 11, 12, 2, 9, 39, 857)
def test_second_inaccuracy_on_past_datetimes():
dt = pendulum.datetime(1901, 12, 13, 0, 0, 0, 555555, tz="US/Central")
assert_datetime(dt, 1901, 12, 13, 0, 0, 0, 555555)
def test_local():
local = pendulum.local(2018, 2, 2, 12, 34, 56, 123456)
assert_datetime(local, 2018, 2, 2, 12, 34, 56, 123456)
assert local.timezone_name == "America/Toronto"
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