/usr/lib/python3/dist-packages/gnocchi/tests/test_utils.py is in python3-gnocchi 4.2.0-0ubuntu5.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 | # -*- encoding: utf-8 -*-
#
# 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 itertools
import os
import uuid
import iso8601
import mock
from gnocchi.tests import base as tests_base
from gnocchi import utils
class TestUtils(tests_base.TestCase):
def _do_test_datetime_to_unix_timezone_change(self, expected, dt):
self.assertEqual(expected, utils.datetime_to_unix(dt))
with mock.patch.dict(os.environ, {'TZ': 'UTC'}):
self.assertEqual(expected, utils.datetime_to_unix(dt))
with mock.patch.dict(os.environ, {'TZ': 'Europe/Paris'}):
self.assertEqual(expected, utils.datetime_to_unix(dt))
with mock.patch.dict(os.environ, {'TZ': 'US/Eastern'}):
self.assertEqual(expected, utils.datetime_to_unix(dt))
def test_datetime_to_unix_timezone_change_utc(self):
dt = datetime.datetime(2015, 1, 1, 10, 0, tzinfo=iso8601.iso8601.UTC)
self._do_test_datetime_to_unix_timezone_change(1420106400.0, dt)
def test_datetime_to_unix_timezone_change_offset(self):
dt = datetime.datetime(2015, 1, 1, 15, 0,
tzinfo=iso8601.iso8601.FixedOffset(5, 0, '+5h'))
self._do_test_datetime_to_unix_timezone_change(1420106400.0, dt)
def test_to_timestamp_empty(self):
self.assertEqual([], utils.to_timestamps([]))
def test_to_timestamps_epoch(self):
self.assertEqual(
utils.to_datetime("1425652440"),
datetime.datetime(2015, 3, 6, 14, 34,
tzinfo=iso8601.iso8601.UTC))
self.assertEqual(
utils.to_datetime("1425652440.4"),
datetime.datetime(2015, 3, 6, 14, 34, 0, 400000,
tzinfo=iso8601.iso8601.UTC))
self.assertEqual(
utils.to_datetime(1425652440),
datetime.datetime(2015, 3, 6, 14, 34,
tzinfo=iso8601.iso8601.UTC))
self.assertEqual(
utils.to_datetime(utils.to_timestamp(1425652440.4)),
datetime.datetime(2015, 3, 6, 14, 34, 0, 400000,
tzinfo=iso8601.iso8601.UTC))
def test_to_timestamps_relative(self):
with mock.patch('gnocchi.utils.utcnow') as utcnow:
utcnow.return_value = datetime.datetime(
2015, 3, 6, 14, 34, tzinfo=iso8601.iso8601.UTC)
self.assertEqual(
utils.to_datetime("-10 minutes"),
datetime.datetime(2015, 3, 6, 14, 24,
tzinfo=iso8601.iso8601.UTC))
class TestResourceUUID(tests_base.TestCase):
def test_conversion(self):
self.assertEqual(
uuid.UUID('ba571521-1de6-5aff-b183-1535fd6eb5d0'),
utils.ResourceUUID(
uuid.UUID('ba571521-1de6-5aff-b183-1535fd6eb5d0'),
"bar"))
self.assertEqual(
uuid.UUID('ba571521-1de6-5aff-b183-1535fd6eb5d0'),
utils.ResourceUUID("foo", "bar"))
self.assertEqual(
uuid.UUID('4efb21f6-3d19-5fe3-910b-be8f0f727846'),
utils.ResourceUUID("foo", None))
self.assertEqual(
uuid.UUID('853e5c64-f45e-58b2-999c-96df856fbe3d'),
utils.ResourceUUID("foo", ""))
class StopWatchTest(tests_base.TestCase):
def test_no_states(self):
watch = utils.StopWatch()
self.assertRaises(RuntimeError, watch.stop)
def test_start_stop(self):
watch = utils.StopWatch()
watch.start()
watch.stop()
def test_no_elapsed(self):
watch = utils.StopWatch()
self.assertRaises(RuntimeError, watch.elapsed)
def test_elapsed(self):
watch = utils.StopWatch()
watch.start()
watch.stop()
elapsed = watch.elapsed()
self.assertAlmostEqual(elapsed, watch.elapsed())
def test_context_manager(self):
with utils.StopWatch() as watch:
pass
self.assertGreater(watch.elapsed(), 0)
class ParallelMap(tests_base.TestCase):
def test_parallel_map_one(self):
utils.parallel_map.MAX_WORKERS = 1
starmap = itertools.starmap
with mock.patch("itertools.starmap") as sm:
sm.side_effect = starmap
self.assertEqual([1, 2, 3],
utils.parallel_map(lambda x: x,
[[1], [2], [3]]))
sm.assert_called()
def test_parallel_map_four(self):
utils.parallel_map.MAX_WORKERS = 4
starmap = itertools.starmap
with mock.patch("itertools.starmap") as sm:
sm.side_effect = starmap
self.assertEqual([1, 2, 3],
utils.parallel_map(lambda x: x,
[[1], [2], [3]]))
sm.assert_not_called()
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