#
# Copyright 2012 New Dream Network, LLC (DreamHost)
# Copyright (c) 2013 OpenStack Foundation
#
# 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 panko/utils.py
"""
import datetime
import decimal
from oslotest import base
from panko import utils
[docs]class TestUtils(base.BaseTestCase):
[docs] def test_datetime_to_decimal(self):
expected = 1356093296.12
utc_datetime = datetime.datetime.utcfromtimestamp(expected)
actual = utils.dt_to_decimal(utc_datetime)
self.assertAlmostEqual(expected, float(actual), places=5)
[docs] 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)
# Python 3 have rounding issue on this, so use float
self.assertAlmostEqual(utils.dt_to_decimal(expected_datetime),
utils.dt_to_decimal(actual_datetime),
places=5)
[docs] def test_recursive_keypairs(self):
data = {'a': 'A', 'b': 'B',
'nested': {'a': 'A', 'b': 'B'}}
pairs = list(utils.recursive_keypairs(data))
self.assertEqual([('a', 'A'), ('b', 'B'),
('nested:a', 'A'), ('nested:b', 'B')],
pairs)
[docs] 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([('a', 'A'),
('b', 'B'),
('nested.a', 'A'),
('nested.b', 'B')],
pairs)
[docs] def test_recursive_keypairs_with_list_of_dict(self):
small = 1
big = 1 << 64
expected = [('a', 'A'),
('b', 'B'),
('nested:list', [{small: 99, big: 42}])]
data = {'a': 'A',
'b': 'B',
'nested': {'list': [{small: 99, big: 42}]}}
pairs = list(utils.recursive_keypairs(data))
self.assertEqual(len(expected), len(pairs))
for k, v in pairs:
# the keys 1 and 1<<64 cause a hash collision on 64bit platforms
if k == 'nested:list':
self.assertIn(v,
[[{small: 99, big: 42}],
[{big: 42, small: 99}]])
else:
self.assertIn((k, v), expected)
[docs] def test_decimal_to_dt_with_none_parameter(self):
self.assertIsNone(utils.decimal_to_dt(None))
[docs] def test_dict_to_kv(self):
data = {'a': 'A',
'b': 'B',
'nested': {'a': 'A',
'b': 'B',
},
'nested2': [{'c': 'A'}, {'c': 'B'}]
}
pairs = list(utils.dict_to_keyval(data))
self.assertEqual([('a', 'A'),
('b', 'B'),
('nested.a', 'A'),
('nested.b', 'B'),
('nested2[0].c', 'A'),
('nested2[1].c', 'B')],
sorted(pairs, key=lambda x: x[0]))