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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 OpenStack LLC.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import datetime
import unittest
import iso8601
import mock
from openstack.common import timeutils
class TimeUtilsTest(unittest.TestCase):
def setUp(self):
utc_timezone = iso8601.iso8601.UTC
self.skynet_self_aware_time_str = '1997-08-29T06:14:00Z'
self.skynet_self_aware_time = datetime.datetime(1997, 8, 29, 6, 14, 0,
tzinfo=utc_timezone)
self.one_minute_before = datetime.datetime(1997, 8, 29, 6, 13, 0,
tzinfo=iso8601.iso8601.UTC)
self.skynet_self_aware_time_perfect_str = '1997-08-29T06:14:00.000000'
self.skynet_self_aware_time_perfect = datetime.datetime(1997, 8, 29,
6, 14, 0)
def tearDown(self):
timeutils.clear_time_override()
def test_isotime(self):
with mock.patch('datetime.datetime') as datetime_mock:
datetime_mock.utcnow.return_value = self.skynet_self_aware_time
dt = timeutils.isotime()
self.assertEqual(dt, self.skynet_self_aware_time_str)
def test_parse_isotime(self):
expect = timeutils.parse_isotime(self.skynet_self_aware_time_str)
self.assertEqual(self.skynet_self_aware_time, expect)
def test_strtime(self):
expect = timeutils.strtime(self.skynet_self_aware_time_perfect)
self.assertEqual(self.skynet_self_aware_time_perfect_str, expect)
def test_parse_strtime(self):
perfect_time_format = self.skynet_self_aware_time_perfect_str
expect = timeutils.parse_strtime(perfect_time_format)
self.assertEqual(self.skynet_self_aware_time_perfect, expect)
def test_strtime_and_back(self):
orig_t = datetime.datetime(1997, 8, 29, 6, 14, 0)
s = timeutils.strtime(orig_t)
t = timeutils.parse_strtime(s)
self.assertEqual(orig_t, t)
def test_is_older_than(self):
with mock.patch('datetime.datetime') as datetime_mock:
datetime_mock.utcnow.return_value = self.skynet_self_aware_time
expect_true = timeutils.is_older_than(self.one_minute_before, 59)
self.assertTrue(expect_true)
expect_false = timeutils.is_older_than(self.one_minute_before, 60)
self.assertFalse(expect_false)
expect_false = timeutils.is_older_than(self.one_minute_before, 61)
self.assertFalse(expect_false)
def test_utcnow_ts(self):
skynet_self_aware_timestamp = 872835240
dt = datetime.datetime.utcfromtimestamp(skynet_self_aware_timestamp)
expect = dt.replace(tzinfo=iso8601.iso8601.UTC)
self.assertEqual(self.skynet_self_aware_time, expect)
with mock.patch('datetime.datetime') as datetime_mock:
datetime_mock.utcnow.return_value = self.skynet_self_aware_time
ts = timeutils.utcnow_ts()
self.assertEqual(ts, skynet_self_aware_timestamp)
def test_utcnow(self):
timeutils.set_time_override(mock.sentinel.utcnow)
self.assertEqual(timeutils.utcnow(), mock.sentinel.utcnow)
timeutils.clear_time_override()
self.assertFalse(timeutils.utcnow() == mock.sentinel.utcnow)
self.assertTrue(timeutils.utcnow())
def test_advance_time_delta(self):
timeutils.set_time_override(self.one_minute_before)
timeutils.advance_time_delta(datetime.timedelta(seconds=60))
self.assertEqual(timeutils.utcnow(), self.skynet_self_aware_time)
def test_advance_time_seconds(self):
timeutils.set_time_override(self.one_minute_before)
timeutils.advance_time_seconds(60)
self.assertEqual(timeutils.utcnow(), self.skynet_self_aware_time)
def test_marshall_time(self):
now = timeutils.utcnow()
binary = timeutils.marshall_now(now)
backagain = timeutils.unmarshall_time(binary)
self.assertEqual(now, backagain)
class TestIso8601Time(unittest.TestCase):
def _instaneous(self, timestamp, yr, mon, day, hr, min, sec, micro):
self.assertEquals(timestamp.year, yr)
self.assertEquals(timestamp.month, mon)
self.assertEquals(timestamp.day, day)
self.assertEquals(timestamp.hour, hr)
self.assertEquals(timestamp.minute, min)
self.assertEquals(timestamp.second, sec)
self.assertEquals(timestamp.microsecond, micro)
def _do_test(self, str, yr, mon, day, hr, min, sec, micro, shift):
DAY_SECONDS = 24 * 60 * 60
timestamp = timeutils.parse_isotime(str)
self._instaneous(timestamp, yr, mon, day, hr, min, sec, micro)
offset = timestamp.tzinfo.utcoffset(None)
self.assertEqual(offset.seconds + offset.days * DAY_SECONDS, shift)
def test_zulu(self):
str = '2012-02-14T20:53:07Z'
self._do_test(str, 2012, 02, 14, 20, 53, 7, 0, 0)
def test_zulu_micros(self):
str = '2012-02-14T20:53:07.123Z'
self._do_test(str, 2012, 02, 14, 20, 53, 7, 123000, 0)
def test_offset_east(self):
str = '2012-02-14T20:53:07+04:30'
offset = 4.5 * 60 * 60
self._do_test(str, 2012, 02, 14, 20, 53, 7, 0, offset)
def test_offset_east_micros(self):
str = '2012-02-14T20:53:07.42+04:30'
offset = 4.5 * 60 * 60
self._do_test(str, 2012, 02, 14, 20, 53, 7, 420000, offset)
def test_offset_west(self):
str = '2012-02-14T20:53:07-05:30'
offset = -5.5 * 60 * 60
self._do_test(str, 2012, 02, 14, 20, 53, 7, 0, offset)
def test_offset_west_micros(self):
str = '2012-02-14T20:53:07.654321-05:30'
offset = -5.5 * 60 * 60
self._do_test(str, 2012, 02, 14, 20, 53, 7, 654321, offset)
def test_compare(self):
zulu = timeutils.parse_isotime('2012-02-14T20:53:07')
east = timeutils.parse_isotime('2012-02-14T20:53:07-01:00')
west = timeutils.parse_isotime('2012-02-14T20:53:07+01:00')
self.assertTrue(east > west)
self.assertTrue(east > zulu)
self.assertTrue(zulu > west)
def test_compare_micros(self):
zulu = timeutils.parse_isotime('2012-02-14T20:53:07.6544')
east = timeutils.parse_isotime('2012-02-14T19:53:07.654321-01:00')
west = timeutils.parse_isotime('2012-02-14T21:53:07.655+01:00')
self.assertTrue(east < west)
self.assertTrue(east < zulu)
self.assertTrue(zulu < west)
def test_zulu_roundtrip(self):
str = '2012-02-14T20:53:07Z'
zulu = timeutils.parse_isotime(str)
self.assertEquals(zulu.tzinfo, iso8601.iso8601.UTC)
self.assertEquals(timeutils.isotime(zulu), str)
def test_east_roundtrip(self):
str = '2012-02-14T20:53:07-07:00'
east = timeutils.parse_isotime(str)
self.assertEquals(east.tzinfo.tzname(None), '-07:00')
self.assertEquals(timeutils.isotime(east), str)
def test_west_roundtrip(self):
str = '2012-02-14T20:53:07+11:30'
west = timeutils.parse_isotime(str)
self.assertEquals(west.tzinfo.tzname(None), '+11:30')
self.assertEquals(timeutils.isotime(west), str)
def test_now_roundtrip(self):
str = timeutils.isotime()
now = timeutils.parse_isotime(str)
self.assertEquals(now.tzinfo, iso8601.iso8601.UTC)
self.assertEquals(timeutils.isotime(now), str)
def test_zulu_normalize(self):
str = '2012-02-14T20:53:07Z'
zulu = timeutils.parse_isotime(str)
normed = timeutils.normalize_time(zulu)
self._instaneous(normed, 2012, 2, 14, 20, 53, 07, 0)
def test_east_normalize(self):
str = '2012-02-14T20:53:07-07:00'
east = timeutils.parse_isotime(str)
normed = timeutils.normalize_time(east)
self._instaneous(normed, 2012, 2, 15, 03, 53, 07, 0)
def test_west_normalize(self):
str = '2012-02-14T20:53:07+21:00'
west = timeutils.parse_isotime(str)
normed = timeutils.normalize_time(west)
self._instaneous(normed, 2012, 2, 13, 23, 53, 07, 0)
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