jellyfin-kodi/libraries/tempora/tests/test_schedule.py

119 lines
3.0 KiB
Python

import time
import random
import datetime
import pytest
import pytz
import freezegun
from tempora import schedule
__metaclass__ = type
@pytest.fixture
def naive_times(monkeypatch):
monkeypatch.setattr(
'irc.schedule.from_timestamp',
datetime.datetime.fromtimestamp)
monkeypatch.setattr('irc.schedule.now', datetime.datetime.now)
do_nothing = type(None)
try:
do_nothing()
except TypeError:
# Python 2 compat
def do_nothing():
return None
def test_delayed_command_order():
"""
delayed commands should be sorted by delay time
"""
delays = [random.randint(0, 99) for x in range(5)]
cmds = sorted([
schedule.DelayedCommand.after(delay, do_nothing)
for delay in delays
])
assert [c.delay.seconds for c in cmds] == sorted(delays)
def test_periodic_command_delay():
"A PeriodicCommand must have a positive, non-zero delay."
with pytest.raises(ValueError) as exc_info:
schedule.PeriodicCommand.after(0, None)
assert str(exc_info.value) == test_periodic_command_delay.__doc__
def test_periodic_command_fixed_delay():
"""
Test that we can construct a periodic command with a fixed initial
delay.
"""
fd = schedule.PeriodicCommandFixedDelay.at_time(
at=schedule.now(),
delay=datetime.timedelta(seconds=2),
target=lambda: None,
)
assert fd.due() is True
assert fd.next().due() is False
class TestCommands:
def test_delayed_command_from_timestamp(self):
"""
Ensure a delayed command can be constructed from a timestamp.
"""
t = time.time()
schedule.DelayedCommand.at_time(t, do_nothing)
def test_command_at_noon(self):
"""
Create a periodic command that's run at noon every day.
"""
when = datetime.time(12, 0, tzinfo=pytz.utc)
cmd = schedule.PeriodicCommandFixedDelay.daily_at(when, target=None)
assert cmd.due() is False
next_cmd = cmd.next()
daily = datetime.timedelta(days=1)
day_from_now = schedule.now() + daily
two_days_from_now = day_from_now + daily
assert day_from_now < next_cmd < two_days_from_now
class TestTimezones:
def test_alternate_timezone_west(self):
target_tz = pytz.timezone('US/Pacific')
target = schedule.now().astimezone(target_tz)
cmd = schedule.DelayedCommand.at_time(target, target=None)
assert cmd.due()
def test_alternate_timezone_east(self):
target_tz = pytz.timezone('Europe/Amsterdam')
target = schedule.now().astimezone(target_tz)
cmd = schedule.DelayedCommand.at_time(target, target=None)
assert cmd.due()
def test_daylight_savings(self):
"""
A command at 9am should always be 9am regardless of
a DST boundary.
"""
with freezegun.freeze_time('2018-03-10 08:00:00'):
target_tz = pytz.timezone('US/Eastern')
target_time = datetime.time(9, tzinfo=target_tz)
cmd = schedule.PeriodicCommandFixedDelay.daily_at(
target_time,
target=lambda: None,
)
def naive(dt):
return dt.replace(tzinfo=None)
assert naive(cmd) == datetime.datetime(2018, 3, 10, 9, 0, 0)
next_ = cmd.next()
assert naive(next_) == datetime.datetime(2018, 3, 11, 9, 0, 0)
assert next_ - cmd == datetime.timedelta(hours=23)