def test_sanitize_dt(self):
"""Test datetime timezone conversion to UTC.
"""
# aware utc should just go in and out.
utc = aware_utcnow()
sanitized_utc = sanitize_dt(utc)
self.assertTrue(dt_is_aware(sanitized_utc))
self.assertEqual(utc, sanitized_utc)
# Sanitize a time zone aware localtime to UTC. The
# sanitized object
# Use .localize and not datetime.replace to generate
# the local date because that doesn't handle DST correctly.
def get_unrounded_local():
"""get an unrounded local time deal - a datetime
object with real microsecond precision."""
pacific = pytz.timezone('US/Pacific')
local = pacific.localize(datetime.datetime.now())
if len(str(local.microsecond)) < 6:
# Prevent a microsecond value that starts with
# a zero - ie: .023493. This will interefere
# with the janky string-based rounding that this
# test is doing for the purposes of this test by
# becoming 23493.
time.sleep(.1)
return get_unrounded_local()
elif local.microsecond % 1000 != 0:
# The "good" case - we have a six decimal place
# microseconds value that has greater than millisecond
# precision. This is to work sanitizing incoming
# microsecond values down to milliseconds to have
# parity with the javascript precision.
return local
else:
# Unlikely - this will happen if the microsecond
# value is spontaneously exactly at millisecond
# precision.
return get_unrounded_local()
local = get_unrounded_local()
# testing mode to suppress warnings
local_utc = sanitize_dt(local, testing=True)
# objects will not be equal since sanitize is rounding to milliseconds
self.assertNotEqual(local_utc, local)
# this is a terrible way to round to milliseconds, but in this
# case, we are trying to leave the time zone difference intact
# whereas pypond.util wants to force everything to UTC.
# But in general DO NOT DO THIS. -MMG
msec = '{ms}000'.format(ms=str(local.microsecond)[0:3])
local = local.replace(microsecond=int(msec))
self.assertEqual(local_utc, local)
# double check that delta is zero
local_utc_delta = local_utc - local
self.assertEqual(int(local_utc_delta.total_seconds()), 0)
# test sanity check stopping naive datetime objects
with self.assertRaises(UtilityException):
sanitize_dt(self.naive)
def test_epoch_constant(self):
"""Make sure util.EPOCH does not get changed to be naive."""
self.assertTrue(dt_is_aware(EPOCH))
def test_dt_from_ms(self):
"""Test function to make datetime from epoch ms/verify aware."""
dtime = dt_from_ms(self.ms_reference)
self.assertTrue(dt_is_aware(dtime))
def test_aware(self):
"""Verify test_aware function."""
self.assertFalse(dt_is_aware(self.naive))
aware = aware_utcnow()
self.assertTrue(dt_is_aware(aware))
def test_sanitize_dt(self):
"""Test datetime timezone conversion to UTC.
"""
# aware utc should just go in and out.
utc = aware_utcnow()
sanitized_utc = sanitize_dt(utc)
self.assertTrue(dt_is_aware(sanitized_utc))
self.assertEqual(utc, sanitized_utc)
# Sanitize a time zone aware localtime to UTC. The
# sanitized object
# Use .localize and not datetime.replace to generate
# the local date because that doesn't handle DST correctly.
def get_unrounded_local():
"""get an unrounded local time deal - a datetime
object with real microsecond precision."""
pacific = pytz.timezone('US/Pacific')
local = pacific.localize(datetime.datetime.now())
if len(str(local.microsecond)) < 6:
# Prevent a microsecond value that starts with
# a zero - ie: .023493. This will interefere
# with the janky string-based rounding that this
# test is doing for the purposes of this test by
# becoming 23493.
time.sleep(.1)
return get_unrounded_local()
elif local.microsecond % 1000 != 0:
# The "good" case - we have a six decimal place
# microseconds value that has greater than millisecond
# precision. This is to work sanitizing incoming
# microsecond values down to milliseconds to have
# parity with the javascript precision.
return local
else:
# Unlikely - this will happen if the microsecond
# value is spontaneously exactly at millisecond
# precision.
return get_unrounded_local()
local = get_unrounded_local()
# testing mode to suppress warnings
local_utc = sanitize_dt(local, testing=True)
# objects will not be equal since sanitize is rounding to milliseconds
self.assertNotEqual(local_utc, local)
# this is a terrible way to round to milliseconds, but in this
# case, we are trying to leave the time zone difference intact
# whereas pypond.util wants to force everything to UTC.
# But in general DO NOT DO THIS. -MMG
msec = '{ms}000'.format(ms=str(local.microsecond)[0:3])
local = local.replace(microsecond=int(msec))
self.assertEqual(local_utc, local)
# double check that delta is zero
local_utc_delta = local_utc - local
self.assertEqual(int(local_utc_delta.total_seconds()), 0)
# test sanity check stopping naive datetime objects
with self.assertRaises(UtilityException):
sanitize_dt(self.naive)
def test_dt_from_ms(self):
"""Test function to make datetime from epoch ms/verify aware."""
dtime = dt_from_ms(self.ms_reference)
self.assertTrue(dt_is_aware(dtime))
def test_epoch_constant(self):
"""Make sure util.EPOCH does not get changed to be naive."""
self.assertTrue(dt_is_aware(EPOCH))
def test_aware(self):
"""Verify test_aware function."""
self.assertFalse(dt_is_aware(self.naive))
aware = aware_utcnow()
self.assertTrue(dt_is_aware(aware))