def test_tz_class():
tzi = rdt.TzClass()
dt = pdt.datetime(2018, 1, 1, tzinfo=tzi)
assert dt.tzname() == "+01:00"
assert dt.utcoffset() == pdt.timedelta(hours=1)
assert dt.dst() is None
def test_tz_class_introspection():
tzi = rdt.TzClass()
assert tzi.__class__ == rdt.TzClass
# PyPy generates <importlib.bootstrap.TzClass ...> for some reason.
assert re.match(r"^<[\w\.]*TzClass object at", repr(tzi))