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from datetime import datetime, timedelta
import pytest
import six
from hypothesis import assume, given
from hypothesis import strategies as st
from dateutil import tz as tz
EPOCHALYPSE = datetime.fromtimestamp(2147483647)
NEGATIVE_EPOCHALYPSE = datetime.fromtimestamp(0) - timedelta(seconds=2147483648)
@pytest.mark.gettz
@pytest.mark.parametrize("gettz_arg", [None, ""])
# TODO: Remove bounds when GH #590 is resolved
@given(
dt=st.datetimes(
min_value=NEGATIVE_EPOCHALYPSE, max_value=EPOCHALYPSE, timezones=st.just(tz.UTC),
)
)
def test_gettz_returns_local(gettz_arg, dt):
act_tz = tz.gettz(gettz_arg)
if isinstance(act_tz, tz.tzlocal):
return
dt_act = dt.astimezone(tz.gettz(gettz_arg))
if six.PY2:
dt_exp = dt.astimezone(tz.tzlocal())
else:
dt_exp = dt.astimezone()
assert dt_act == dt_exp
assert dt_act.tzname() == dt_exp.tzname()
assert dt_act.utcoffset() == dt_exp.utcoffset()
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