def seconds_and_nanoseconds(dt):
if isinstance(dt, datetime):
dt = DateTime.from_native(dt)
zone_epoch = DateTime(1970, 1, 1, tzinfo=dt.tzinfo)
dt_clock_time = dt.to_clock_time()
zone_epoch_clock_time = zone_epoch.to_clock_time()
t = dt_clock_time - zone_epoch_clock_time
return t.seconds, t.nanoseconds
def test_from_native(self):
native = datetime(2018, 10, 1, 12, 34, 56, 789123)
dt = DateTime.from_native(native)
self.assertEqual(dt.year, native.year)
self.assertEqual(dt.month, native.month)
self.assertEqual(dt.day, native.day)
self.assertEqual(dt.hour, native.hour)
self.assertEqual(dt.minute, native.minute)
self.assertEqual(dt.second, nano_add(native.second, nano_div(native.microsecond, 1000000)))
def test_from_native_case_2():
# python -m pytest tests/unit/time/test_datetime.py -s -v -k test_from_native_case_2
native = datetime(2018, 10, 1, 12, 34, 56, 789123, FixedOffset(0))
dt = DateTime.from_native(native)
assert dt.year == native.year
assert dt.month == native.month
assert dt.day == native.day
assert dt.hour == native.hour
assert dt.minute == native.minute
assert dt.second == nano_add(native.second, nano_div(native.microsecond, 1000000))
assert dt.tzinfo == FixedOffset(0)
