aodh/tests/test_utils.py
Tong Li 22005dca10 add more test cases to improve the test code coverage #1
In this patch, the following modules test coverage improved to 100%

1. ceilometer/utils
2. ceilometer/transformer/accumulator

Change-Id: I18f775cf4b631413bb1d4d459f4bc70c9f598303
2013-09-23 08:23:50 -04:00

73 lines
2.5 KiB
Python

# -*- encoding: utf-8 -*-
#
# Copyright © 2012 New Dream Network, LLC (DreamHost)
# Copyright (c) 2013 OpenStack Foundation
#
# Author: Doug Hellmann <doug.hellmann@dreamhost.com>
# 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.
"""Tests for ceilometer/utils.py
"""
import decimal
import datetime
from ceilometer.tests import base as tests_base
from ceilometer import utils
class TestUtils(tests_base.TestCase):
def test_datetime_to_decimal(self):
expected = 1356093296.12
utc_datetime = datetime.datetime.utcfromtimestamp(expected)
actual = utils.dt_to_decimal(utc_datetime)
self.assertEqual(float(actual), expected)
def test_decimal_to_datetime(self):
expected = 1356093296.12
dexpected = decimal.Decimal(str(expected)) # Python 2.6 wants str()
expected_datetime = datetime.datetime.utcfromtimestamp(expected)
actual_datetime = utils.decimal_to_dt(dexpected)
self.assertEqual(actual_datetime, expected_datetime)
def test_recursive_keypairs(self):
data = {'a': 'A',
'b': 'B',
'nested': {'a': 'A',
'b': 'B',
},
}
pairs = list(utils.recursive_keypairs(data))
self.assertEqual(pairs, [('a', 'A'),
('b', 'B'),
('nested:a', 'A'),
('nested:b', 'B')])
def test_recursive_keypairs_with_separator(self):
data = {'a': 'A',
'b': 'B',
'nested': {'a': 'A',
'b': 'B',
},
}
separator = '.'
pairs = list(utils.recursive_keypairs(data, separator))
self.assertEqual(pairs, [('a', 'A'),
('b', 'B'),
('nested.a', 'A'),
('nested.b', 'B')])
def test_decimal_to_dt_with_none_parameter(self):
self.assertEqual(utils.decimal_to_dt(None), None)