def test_upgrade_shim_fixed_offset(offset_minutes):
shim_zone = pds.fixed_offset_timezone(offset_minutes)
actual = pds_helpers.upgrade_tzinfo(shim_zone)
expected = get_fixed_timezone(offset_minutes)
# get_fixed_timezone doesn't do any caching, so the fixed offsets aren't
# necessarily going to be singletons.
assert actual == expected
def test_localize_fixed_offset(dt, offset):
pytz_zone = pytz.FixedOffset(offset)
shim_zone = pds.fixed_offset_timezone(offset)
dt_pytz = pytz_zone.localize(dt)
with pytest.warns(pds.PytzUsageWarning):
dt_shim = shim_zone.localize(dt)
assert dt_pytz == dt_shim
assert dt_pytz.utcoffset() == dt_shim.utcoffset()
def test_str_fixed_offset(minutes):
shim_zone = pds.fixed_offset_timezone(minutes)
assert str(shim_zone) == repr(shim_zone)
def test_fixed_offset_utc():
"""Tests that fixed_offset_timezone(0) always returns UTC."""
assert pds.fixed_offset_timezone(0) is pds.UTC
def test_invalid_fixed_offsets(offset):
with pytest.raises(ValueError):
pds.fixed_offset_timezone(offset)