HPI/my/tests/tz.py
Dima Gerasimov a5643206a0 general: make time.tz.via_location user config lazy, move tests to my.tests package
also gets rid of the problematic reset_modules thingie
2024-08-26 04:00:58 +01:00

107 lines
2.9 KiB
Python

import sys
from datetime import datetime, timedelta
import pytest
import pytz
import my.time.tz.main as tz_main
import my.time.tz.via_location as tz_via_location
from my.core import notnone
from my.core.compat import fromisoformat
from .shared_tz_config import config # autoused fixture
def getzone(dt: datetime) -> str:
tz = notnone(dt.tzinfo)
return getattr(tz, 'zone')
@pytest.mark.parametrize('fast', [False, True])
def test_iter_tzs(fast: bool, config) -> None:
# TODO hmm.. maybe need to make sure we start with empty config?
config.time.tz.via_location.fast = fast
ll = list(tz_via_location._iter_tzs())
zones = [x.zone for x in ll]
if fast:
assert zones == [
'Europe/Rome',
'Europe/Rome',
'Europe/Vienna',
'Europe/Vienna',
'Europe/Vienna',
]
else:
assert zones == [
'Europe/Rome',
'Europe/Rome',
'Europe/Ljubljana',
'Europe/Ljubljana',
'Europe/Ljubljana',
]
def test_past() -> None:
"""
Should fallback to the 'home' location provider
"""
dt = fromisoformat('2000-01-01 12:34:45')
dt = tz_main.localize(dt)
assert getzone(dt) == 'America/New_York'
def test_future() -> None:
"""
For locations in the future should rely on 'home' location
"""
fut = datetime.now() + timedelta(days=100)
fut = tz_main.localize(fut)
assert getzone(fut) == 'Europe/Moscow'
def test_get_tz(config) -> None:
# todo hmm, the way it's implemented at the moment, never returns None?
get_tz = tz_via_location.get_tz
# not present in the test data
tz = get_tz(fromisoformat('2020-01-01 10:00:00'))
assert notnone(tz).zone == 'Europe/Sofia'
tz = get_tz(fromisoformat('2017-08-01 11:00:00'))
assert notnone(tz).zone == 'Europe/Vienna'
tz = get_tz(fromisoformat('2017-07-30 10:00:00'))
assert notnone(tz).zone == 'Europe/Rome'
tz = get_tz(fromisoformat('2020-10-01 14:15:16'))
assert tz is not None
on_windows = sys.platform == 'win32'
if not on_windows:
tz = get_tz(datetime.min)
assert tz is not None
else:
# seems this fails because windows doesn't support same date ranges
# https://stackoverflow.com/a/41400321/
with pytest.raises(OSError):
get_tz(datetime.min)
def test_policies() -> None:
naive = fromisoformat('2017-07-30 10:00:00')
assert naive.tzinfo is None # just in case
# actual timezone at the time
assert getzone(tz_main.localize(naive)) == 'Europe/Rome'
z = pytz.timezone('America/New_York')
aware = z.localize(naive)
assert getzone(tz_main.localize(aware)) == 'America/New_York'
assert getzone(tz_main.localize(aware, policy='convert')) == 'Europe/Rome'
with pytest.raises(RuntimeError):
assert tz_main.localize(aware, policy='throw')