659e12bddd
Now we have the ability to generate a timestamp with microseconds. Change-Id: I34d51b71c01df02bef46639149fde08f89f0e110 Signed-off-by: Paul Belanger <paul.belanger@polybeacon.com>
357 lines
15 KiB
Python
357 lines
15 KiB
Python
# Copyright 2011 OpenStack Foundation.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import calendar
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import datetime
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import time
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import iso8601
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import mock
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from oslotest import base as test_base
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from testtools import matchers
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from oslo.utils import timeutils
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class TimeUtilsTest(test_base.BaseTestCase):
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def setUp(self):
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super(TimeUtilsTest, self).setUp()
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self.skynet_self_aware_time_str = '1997-08-29T06:14:00Z'
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self.skynet_self_aware_time_ms_str = '1997-08-29T06:14:00.000123Z'
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self.skynet_self_aware_time = datetime.datetime(1997, 8, 29, 6, 14, 0)
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self.skynet_self_aware_ms_time = datetime.datetime(
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1997, 8, 29, 6, 14, 0, 123)
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self.one_minute_before = datetime.datetime(1997, 8, 29, 6, 13, 0)
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self.one_minute_after = datetime.datetime(1997, 8, 29, 6, 15, 0)
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self.skynet_self_aware_time_perfect_str = '1997-08-29T06:14:00.000000'
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self.skynet_self_aware_time_perfect = datetime.datetime(1997, 8, 29,
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6, 14, 0)
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self.addCleanup(timeutils.clear_time_override)
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def test_isotime(self):
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with mock.patch('datetime.datetime') as datetime_mock:
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datetime_mock.utcnow.return_value = self.skynet_self_aware_time
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dt = timeutils.isotime()
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self.assertEqual(dt, self.skynet_self_aware_time_str)
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def test_isotimei_micro_second_precision(self):
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with mock.patch('datetime.datetime') as datetime_mock:
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datetime_mock.utcnow.return_value = self.skynet_self_aware_ms_time
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dt = timeutils.isotime(subsecond=True)
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self.assertEqual(dt, self.skynet_self_aware_time_ms_str)
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def test_parse_isotime(self):
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expect = timeutils.parse_isotime(self.skynet_self_aware_time_str)
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skynet_self_aware_time_utc = self.skynet_self_aware_time.replace(
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tzinfo=iso8601.iso8601.UTC)
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self.assertEqual(skynet_self_aware_time_utc, expect)
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def test_parse_isotime_micro_second_precision(self):
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expect = timeutils.parse_isotime(self.skynet_self_aware_time_ms_str)
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skynet_self_aware_time_ms_utc = self.skynet_self_aware_ms_time.replace(
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tzinfo=iso8601.iso8601.UTC)
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self.assertEqual(skynet_self_aware_time_ms_utc, expect)
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def test_strtime(self):
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expect = timeutils.strtime(self.skynet_self_aware_time_perfect)
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self.assertEqual(self.skynet_self_aware_time_perfect_str, expect)
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def test_parse_strtime(self):
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perfect_time_format = self.skynet_self_aware_time_perfect_str
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expect = timeutils.parse_strtime(perfect_time_format)
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self.assertEqual(self.skynet_self_aware_time_perfect, expect)
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def test_strtime_and_back(self):
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orig_t = datetime.datetime(1997, 8, 29, 6, 14, 0)
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s = timeutils.strtime(orig_t)
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t = timeutils.parse_strtime(s)
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self.assertEqual(orig_t, t)
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def _test_is_older_than(self, fn):
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strptime = datetime.datetime.strptime
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with mock.patch('datetime.datetime') as datetime_mock:
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datetime_mock.utcnow.return_value = self.skynet_self_aware_time
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datetime_mock.strptime = strptime
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expect_true = timeutils.is_older_than(fn(self.one_minute_before),
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59)
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self.assertTrue(expect_true)
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expect_false = timeutils.is_older_than(fn(self.one_minute_before),
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60)
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self.assertFalse(expect_false)
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expect_false = timeutils.is_older_than(fn(self.one_minute_before),
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61)
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self.assertFalse(expect_false)
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def test_is_older_than_datetime(self):
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self._test_is_older_than(lambda x: x)
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def test_is_older_than_str(self):
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self._test_is_older_than(timeutils.strtime)
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def test_is_older_than_aware(self):
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"""Tests sending is_older_than an 'aware' datetime."""
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self._test_is_older_than(lambda x: x.replace(
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tzinfo=iso8601.iso8601.UTC))
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def _test_is_newer_than(self, fn):
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strptime = datetime.datetime.strptime
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with mock.patch('datetime.datetime') as datetime_mock:
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datetime_mock.utcnow.return_value = self.skynet_self_aware_time
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datetime_mock.strptime = strptime
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expect_true = timeutils.is_newer_than(fn(self.one_minute_after),
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59)
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self.assertTrue(expect_true)
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expect_false = timeutils.is_newer_than(fn(self.one_minute_after),
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60)
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self.assertFalse(expect_false)
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expect_false = timeutils.is_newer_than(fn(self.one_minute_after),
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61)
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self.assertFalse(expect_false)
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def test_is_newer_than_datetime(self):
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self._test_is_newer_than(lambda x: x)
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def test_is_newer_than_str(self):
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self._test_is_newer_than(timeutils.strtime)
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def test_is_newer_than_aware(self):
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"""Tests sending is_newer_than an 'aware' datetime."""
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self._test_is_newer_than(lambda x: x.replace(
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tzinfo=iso8601.iso8601.UTC))
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def test_set_time_override_using_default(self):
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now = timeutils.utcnow_ts()
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# NOTE(kgriffs): Normally it's bad form to sleep in a unit test,
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# but this is the only way to test that set_time_override defaults
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# to setting the override to the current time.
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time.sleep(1)
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timeutils.set_time_override()
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overriden_now = timeutils.utcnow_ts()
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self.assertThat(now, matchers.LessThan(overriden_now))
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def test_utcnow_ts(self):
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skynet_self_aware_ts = 872835240
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skynet_dt = datetime.datetime.utcfromtimestamp(skynet_self_aware_ts)
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self.assertEqual(self.skynet_self_aware_time, skynet_dt)
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# NOTE(kgriffs): timeutils.utcnow_ts() uses time.time()
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# IFF time override is not set.
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with mock.patch('time.time') as time_mock:
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time_mock.return_value = skynet_self_aware_ts
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ts = timeutils.utcnow_ts()
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self.assertEqual(ts, skynet_self_aware_ts)
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timeutils.set_time_override(skynet_dt)
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ts = timeutils.utcnow_ts()
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self.assertEqual(ts, skynet_self_aware_ts)
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def test_utcnow_ts_microsecond(self):
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skynet_self_aware_ts = 872835240.000123
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skynet_dt = datetime.datetime.utcfromtimestamp(skynet_self_aware_ts)
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self.assertEqual(self.skynet_self_aware_ms_time, skynet_dt)
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# NOTE(kgriffs): timeutils.utcnow_ts() uses time.time()
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# IFF time override is not set.
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with mock.patch('time.time') as time_mock:
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time_mock.return_value = skynet_self_aware_ts
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ts = timeutils.utcnow_ts(microsecond=True)
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self.assertEqual(ts, skynet_self_aware_ts)
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timeutils.set_time_override(skynet_dt)
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ts = timeutils.utcnow_ts(microsecond=True)
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self.assertEqual(ts, skynet_self_aware_ts)
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def test_utcnow(self):
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timeutils.set_time_override(mock.sentinel.utcnow)
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self.assertEqual(timeutils.utcnow(), mock.sentinel.utcnow)
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timeutils.clear_time_override()
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self.assertFalse(timeutils.utcnow() == mock.sentinel.utcnow)
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self.assertTrue(timeutils.utcnow())
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def test_advance_time_delta(self):
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timeutils.set_time_override(self.one_minute_before)
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timeutils.advance_time_delta(datetime.timedelta(seconds=60))
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self.assertEqual(timeutils.utcnow(), self.skynet_self_aware_time)
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def test_advance_time_seconds(self):
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timeutils.set_time_override(self.one_minute_before)
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timeutils.advance_time_seconds(60)
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self.assertEqual(timeutils.utcnow(), self.skynet_self_aware_time)
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def test_marshall_time(self):
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now = timeutils.utcnow()
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binary = timeutils.marshall_now(now)
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backagain = timeutils.unmarshall_time(binary)
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self.assertEqual(now, backagain)
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def test_delta_seconds(self):
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before = timeutils.utcnow()
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after = before + datetime.timedelta(days=7, seconds=59,
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microseconds=123456)
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self.assertAlmostEquals(604859.123456,
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timeutils.delta_seconds(before, after))
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def test_total_seconds(self):
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delta = datetime.timedelta(days=1, hours=2, minutes=3, seconds=4.5)
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self.assertAlmostEquals(93784.5,
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timeutils.total_seconds(delta))
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def test_iso8601_from_timestamp(self):
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utcnow = timeutils.utcnow()
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iso = timeutils.isotime(utcnow)
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ts = calendar.timegm(utcnow.timetuple())
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self.assertEqual(iso, timeutils.iso8601_from_timestamp(ts))
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def test_is_soon(self):
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expires = timeutils.utcnow() + datetime.timedelta(minutes=5)
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self.assertFalse(timeutils.is_soon(expires, 120))
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self.assertTrue(timeutils.is_soon(expires, 300))
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self.assertTrue(timeutils.is_soon(expires, 600))
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with mock.patch('datetime.datetime') as datetime_mock:
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datetime_mock.utcnow.return_value = self.skynet_self_aware_time
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expires = timeutils.utcnow()
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self.assertTrue(timeutils.is_soon(expires, 0))
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class TestIso8601Time(test_base.BaseTestCase):
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def _instaneous(self, timestamp, yr, mon, day, hr, minute, sec, micro):
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self.assertEqual(timestamp.year, yr)
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self.assertEqual(timestamp.month, mon)
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self.assertEqual(timestamp.day, day)
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self.assertEqual(timestamp.hour, hr)
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self.assertEqual(timestamp.minute, minute)
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self.assertEqual(timestamp.second, sec)
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self.assertEqual(timestamp.microsecond, micro)
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def _do_test(self, time_str, yr, mon, day, hr, minute, sec, micro, shift):
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DAY_SECONDS = 24 * 60 * 60
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timestamp = timeutils.parse_isotime(time_str)
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self._instaneous(timestamp, yr, mon, day, hr, minute, sec, micro)
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offset = timestamp.tzinfo.utcoffset(None)
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self.assertEqual(offset.seconds + offset.days * DAY_SECONDS, shift)
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def test_zulu(self):
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time_str = '2012-02-14T20:53:07Z'
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self._do_test(time_str, 2012, 2, 14, 20, 53, 7, 0, 0)
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def test_zulu_micros(self):
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time_str = '2012-02-14T20:53:07.123Z'
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self._do_test(time_str, 2012, 2, 14, 20, 53, 7, 123000, 0)
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def test_offset_east(self):
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time_str = '2012-02-14T20:53:07+04:30'
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offset = 4.5 * 60 * 60
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self._do_test(time_str, 2012, 2, 14, 20, 53, 7, 0, offset)
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def test_offset_east_micros(self):
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time_str = '2012-02-14T20:53:07.42+04:30'
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offset = 4.5 * 60 * 60
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self._do_test(time_str, 2012, 2, 14, 20, 53, 7, 420000, offset)
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def test_offset_west(self):
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time_str = '2012-02-14T20:53:07-05:30'
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offset = -5.5 * 60 * 60
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self._do_test(time_str, 2012, 2, 14, 20, 53, 7, 0, offset)
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def test_offset_west_micros(self):
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time_str = '2012-02-14T20:53:07.654321-05:30'
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offset = -5.5 * 60 * 60
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self._do_test(time_str, 2012, 2, 14, 20, 53, 7, 654321, offset)
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def test_compare(self):
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zulu = timeutils.parse_isotime('2012-02-14T20:53:07')
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east = timeutils.parse_isotime('2012-02-14T20:53:07-01:00')
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west = timeutils.parse_isotime('2012-02-14T20:53:07+01:00')
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self.assertTrue(east > west)
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self.assertTrue(east > zulu)
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self.assertTrue(zulu > west)
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def test_compare_micros(self):
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zulu = timeutils.parse_isotime('2012-02-14T20:53:07.6544')
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east = timeutils.parse_isotime('2012-02-14T19:53:07.654321-01:00')
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west = timeutils.parse_isotime('2012-02-14T21:53:07.655+01:00')
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self.assertTrue(east < west)
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self.assertTrue(east < zulu)
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self.assertTrue(zulu < west)
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def test_zulu_roundtrip(self):
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time_str = '2012-02-14T20:53:07Z'
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zulu = timeutils.parse_isotime(time_str)
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self.assertEqual(zulu.tzinfo, iso8601.iso8601.UTC)
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self.assertEqual(timeutils.isotime(zulu), time_str)
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def test_east_roundtrip(self):
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time_str = '2012-02-14T20:53:07-07:00'
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east = timeutils.parse_isotime(time_str)
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self.assertEqual(east.tzinfo.tzname(None), '-07:00')
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self.assertEqual(timeutils.isotime(east), time_str)
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def test_west_roundtrip(self):
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time_str = '2012-02-14T20:53:07+11:30'
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west = timeutils.parse_isotime(time_str)
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self.assertEqual(west.tzinfo.tzname(None), '+11:30')
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self.assertEqual(timeutils.isotime(west), time_str)
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def test_now_roundtrip(self):
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time_str = timeutils.isotime()
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now = timeutils.parse_isotime(time_str)
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self.assertEqual(now.tzinfo, iso8601.iso8601.UTC)
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self.assertEqual(timeutils.isotime(now), time_str)
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def test_zulu_normalize(self):
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time_str = '2012-02-14T20:53:07Z'
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zulu = timeutils.parse_isotime(time_str)
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normed = timeutils.normalize_time(zulu)
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self._instaneous(normed, 2012, 2, 14, 20, 53, 7, 0)
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def test_east_normalize(self):
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time_str = '2012-02-14T20:53:07-07:00'
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east = timeutils.parse_isotime(time_str)
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normed = timeutils.normalize_time(east)
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self._instaneous(normed, 2012, 2, 15, 3, 53, 7, 0)
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def test_west_normalize(self):
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time_str = '2012-02-14T20:53:07+21:00'
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west = timeutils.parse_isotime(time_str)
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normed = timeutils.normalize_time(west)
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self._instaneous(normed, 2012, 2, 13, 23, 53, 7, 0)
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def test_normalize_aware_to_naive(self):
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dt = datetime.datetime(2011, 2, 14, 20, 53, 7)
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time_str = '2011-02-14T20:53:07+21:00'
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aware = timeutils.parse_isotime(time_str)
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naive = timeutils.normalize_time(aware)
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self.assertTrue(naive < dt)
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def test_normalize_zulu_aware_to_naive(self):
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dt = datetime.datetime(2011, 2, 14, 20, 53, 7)
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time_str = '2011-02-14T19:53:07Z'
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aware = timeutils.parse_isotime(time_str)
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naive = timeutils.normalize_time(aware)
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self.assertTrue(naive < dt)
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def test_normalize_naive(self):
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dt = datetime.datetime(2011, 2, 14, 20, 53, 7)
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dtn = datetime.datetime(2011, 2, 14, 19, 53, 7)
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naive = timeutils.normalize_time(dtn)
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self.assertTrue(naive < dt)
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