def test_to_sf_datetime(self):
nf_tz = pytz.timezone('Canada/Newfoundland')
# test converting 2 local datetimes (with DST and without DST) into UTC
summer_dt = DateUtils.as_timezone(
datetime.datetime(2000, 7, 1, 1, 1, 1), nf_tz)
winter_dt = DateUtils.as_timezone(
datetime.datetime(2000, 1, 1, 1, 1, 1), nf_tz)
summer_dt_converted = DateUtils.to_sf_datetime(summer_dt, pytz.utc)
winter_dt_converted = DateUtils.to_sf_datetime(winter_dt, pytz.utc)
self.assertEqual(summer_dt_converted, '2000-07-01T03:31:01+00:00')
self.assertEqual(winter_dt_converted, '2000-01-01T04:31:01+00:00')
# test converting 2 UTC datetimes
summer_utc = datetime.datetime(2000, 7, 1, 1, 1, 1, tzinfo=pytz.UTC)
winter_utc = datetime.datetime(2000, 1, 1, 1, 1, 1, tzinfo=pytz.UTC)
summer_nf = DateUtils.to_sf_datetime(summer_utc, nf_tz)
winter_nf = DateUtils.to_sf_datetime(winter_utc, nf_tz)
self.assertEqual(
parse_datetime(summer_nf).strftime('%Y-%m-%d %H:%M'),
'2000-06-30 22:31')
self.assertEqual(
parse_datetime(winter_nf).strftime('%Y-%m-%d %H:%M'),
'1999-12-31 21:31')
self.assertEqual(
parse_datetime(summer_nf).tzinfo._offset.total_seconds(), -9000)
self.assertEqual(
parse_datetime(winter_nf).tzinfo._offset.total_seconds(), -12600)
def test_to_sf_datetime(self):
self.assertEqual(DateUtils.to_sf_datetime(dt=None, tz=None), None)
# from naive + from UTC
for src_dt in (datetime.datetime(2002, 10, 27, 1, 30, 0, 999),
datetime.datetime(2002,
10,
27,
1,
30,
0,
999,
tzinfo=pytz.UTC)):
sf_dt = DateUtils.to_sf_datetime(dt=src_dt,
tz=None,
convert_to_isoformat=False)
self.assertEqual(sf_dt.strftime(self.fmt),
'2002-10-27 01:30:00 UTC+0000')
sf_dt = DateUtils.to_sf_datetime(dt=src_dt,
tz=None,
convert_to_isoformat=True)
self.assertEqual(sf_dt, '2002-10-27T01:30:00+00:00')
sf_dt = DateUtils.to_sf_datetime(dt=src_dt,
tz=pytz.UTC,
convert_to_isoformat=False)
self.assertEqual(sf_dt.strftime(self.fmt),
'2002-10-27 01:30:00 UTC+0000')
sf_dt = DateUtils.to_sf_datetime(dt=src_dt,
tz=pytz.UTC,
convert_to_isoformat=True)
self.assertEqual(sf_dt, '2002-10-27T01:30:00+00:00')
sf_dt = DateUtils.to_sf_datetime(dt=src_dt,
tz=self.eastern,
convert_to_isoformat=False)
self.assertEqual(sf_dt.strftime(self.fmt),
'2002-10-26 21:30:00 EDT-0400')
sf_dt = DateUtils.to_sf_datetime(dt=src_dt,
tz=self.eastern,
convert_to_isoformat=True)
self.assertEqual(sf_dt, '2002-10-26T21:30:00-04:00')
# from eastern
in_eastern = self.eastern.localize(
datetime.datetime(2002, 10, 27, 1, 30, 0, 999))
sf_dt = DateUtils.to_sf_datetime(dt=in_eastern,
tz=None,
convert_to_isoformat=False)
self.assertEqual(sf_dt.strftime(self.fmt),
'2002-10-27 01:30:00 EST-0500')
sf_dt = DateUtils.to_sf_datetime(dt=in_eastern,
tz=None,
convert_to_isoformat=True)
self.assertEqual(sf_dt, '2002-10-27T01:30:00-05:00')
sf_dt = DateUtils.to_sf_datetime(dt=in_eastern,
tz=pytz.UTC,
convert_to_isoformat=False)
self.assertEqual(sf_dt.strftime(self.fmt),
'2002-10-27 06:30:00 UTC+0000')
sf_dt = DateUtils.to_sf_datetime(dt=in_eastern,
tz=pytz.UTC,
convert_to_isoformat=True)
self.assertEqual(sf_dt, '2002-10-27T06:30:00+00:00')
sf_dt = DateUtils.to_sf_datetime(dt=in_eastern,
tz=self.eastern,
convert_to_isoformat=False)
self.assertEqual(sf_dt.strftime(self.fmt),
'2002-10-27 01:30:00 EST-0500')
sf_dt = DateUtils.to_sf_datetime(dt=in_eastern,
tz=self.eastern,
convert_to_isoformat=True)
self.assertEqual(sf_dt, '2002-10-27T01:30:00-05:00')