openstack
/
freezer
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freezer/freezer/tests/unit/utils/test_utils.py

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Python
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# (c) Copyright 2014,2015 Hewlett-Packard Development Company, L.P.
# (c) Copyright 2016 Hewlett-Packard Enterprise Development Company, L.P
#
# 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 fixtures
import os
import time
from unittest import mock
from unittest.mock import patch
from freezer.exceptions import utils as exception_utils
from freezer.openstack import osclients
from freezer.tests import commons
from freezer.utils import utils
class TestUtils(commons.FreezerBaseTestCase):
def setUp(self):
super(TestUtils, self).setUp()
def test_create_dir(self):
dir1 = '/tmp'
dir2 = '/tmp/testnoexistent1234'
dir3 = '~'
assert utils.create_dir(dir1) is None
assert utils.create_dir(dir2) is None
os.rmdir(dir2)
assert utils.create_dir(dir3) is None
# def test_get_vol_fs_type(self):
# self.assertRaises(Exception, utils.get_vol_fs_type, "test")
#
# fakeos = Os()
# os.path.exists = fakeos.exists
# self.assertRaises(Exception, utils.get_vol_fs_type, "test")
#
# fakere = FakeRe()
# re.search = fakere.search
# assert type(utils.get_vol_fs_type("test")) is str
#
# def test_get_mount_from_path(self):
# dir1 = '/tmp'
# dir2 = '/tmp/nonexistentpathasdf'
# assert type(utils.get_mount_from_path(dir1)[0]) is str
# assert type(utils.get_mount_from_path(dir1)[1]) is str
# self.assertRaises(Exception, utils.get_mount_from_path, dir2)
#
# pytest.raises(Exception, utils.get_mount_from_path, dir2)
def test_human2bytes(self):
assert utils.human2bytes('0 B') == 0
assert utils.human2bytes('1 K') == 1024
assert utils.human2bytes('1 Gi') == 1073741824
assert utils.human2bytes('1 tera') == 1099511627776
assert utils.human2bytes('0.5kilo') == 512
assert utils.human2bytes('0.1 byte') == 0
assert utils.human2bytes('1 k') == 1024
assert utils.human2bytes("1000") == 1000
self.assertRaises(ValueError, utils.human2bytes, '12 foo')
def test_OpenstackOptions_creation_success(self):
class FreezerOpts(object):
def __init__(self, opts):
self.__dict__.update(opts)
env_dict = dict(OS_USERNAME='testusername',
OS_TENANT_NAME='testtenantename',
OS_AUTH_URL='testauthurl',
OS_PASSWORD='testpassword',
OS_REGION_NAME='testregion',
OS_TENANT_ID='0123456789',
OS_AUTH_VERSION='2.0')
options = osclients.OpenstackOpts.create_from_dict(
env_dict).get_opts_dicts()
options = FreezerOpts(options)
assert options.username == env_dict['OS_USERNAME']
assert options.tenant_name == env_dict['OS_TENANT_NAME']
assert options.auth_url == env_dict['OS_AUTH_URL']
assert options.password == env_dict['OS_PASSWORD']
assert options.region_name == env_dict['OS_REGION_NAME']
assert options.tenant_id == env_dict['OS_TENANT_ID']
env_dict = dict(OS_USERNAME='testusername',
OS_TENANT_NAME='testtenantename',
OS_AUTH_URL='testauthurl',
OS_PASSWORD='testpassword',
OS_AUTH_VERSION='2.0')
options = osclients.OpenstackOpts.create_from_dict(
env_dict).get_opts_dicts()
options = FreezerOpts(options)
assert options.username == env_dict['OS_USERNAME']
assert options.tenant_name == env_dict['OS_TENANT_NAME']
assert options.auth_url == env_dict['OS_AUTH_URL']
assert options.password == env_dict['OS_PASSWORD']
def test_date_to_timestamp(self):
# ensure that timestamp is check with appropriate timezone offset
assert (1417649003 + time.timezone) == utils.date_to_timestamp(
"2014-12-03T23:23:23")
def prepare_env(self):
self.useFixture(fixtures.EnvironmentVariable(
"HTTP_PROXY", 'http://proxy.original.domain:8080'))
self.useFixture(fixtures.EnvironmentVariable("HTTPS_PROXY"))
def test_alter_proxy(self):
"""
Testing freezer.arguments.alter_proxy function does it set
HTTP_PROXY and HTTPS_PROXY when 'proxy' key in its dictionary
"""
# Test wrong proxy value
self.assertRaises(Exception, utils.alter_proxy, 'boohoo') # noqa
# Test when there is proxy value passed
self.prepare_env()
test_proxy = 'http://proxy.alternative.domain:8888'
utils.alter_proxy(test_proxy)
assert os.environ["HTTP_PROXY"] == test_proxy
assert os.environ["HTTPS_PROXY"] == test_proxy
def test_exclude_path(self):
assert utils.exclude_path('./dir/file', 'file') is True
assert utils.exclude_path('./dir/file', '*le') is True
assert utils.exclude_path('./dir/file', 'fi*') is True
assert utils.exclude_path('./dir/file', '*fi*') is True
assert utils.exclude_path('./dir/file', 'dir') is True
assert utils.exclude_path('./dir/file', 'di*') is True
assert utils.exclude_path('./aaa/bbb/ccc', '*bb') is True
assert utils.exclude_path('./aaa/bbb/ccc', 'bb') is False
assert utils.exclude_path('./a/b', 'c') is False
assert utils.exclude_path('./a/b/c', '') is False
@patch('freezer.utils.utils.os.walk')
@patch('freezer.utils.utils.os.chdir')
@patch('freezer.utils.utils.os.path.isfile')
def test_walk_path_dir(self, mock_isfile, mock_chdir, mock_walk):
mock_isfile.return_value = False
mock_chdir.return_value = None
mock_walk.return_value = [('.', ['d1', 'd2'], ['f1', 'f2']),
('./d1', [], ['f3']), ('./d2', [], []), ]
expected = ['.', './f1', './f2', './d1', './d1/f3', './d2']
files = []
count = utils.walk_path('root', '', False, self.callback, files=files)
for i in range(len(files)):
assert expected[i] == files[i]
assert count is len(files)
@patch('freezer.utils.utils.os.path.isfile')
def test_walk_path_file(self, mock_isfile):
mock_isfile.return_value = True
count = utils.walk_path('root', '', False, self.callback)
assert count == 1
def callback(self, filepath='', files=[]):
files.append(filepath)
class TestDateTime(object):
def setup(self):
d = datetime.datetime(2015, 3, 7, 17, 47, 44, 716799)
self.datetime = utils.DateTime(d)
def test_factory(self):
new_time = utils.DateTime.now()
assert isinstance(new_time, utils.DateTime)
def test_timestamp(self):
# ensure that timestamp is check with appropriate timezone offset
assert (1425750464 + time.timezone) == self.datetime.timestamp
def test_repr(self):
assert '2015-03-07 17:47:44' == '{}'.format(self.datetime)
def test_initialize_int(self):
d = utils.DateTime(1425750464)
assert 1425750464 == d.timestamp
# ensure that time is check with appropriate timezone offset
t = time.strftime(
"%Y-%m-%d %H:%M:%S",
time.localtime(
(time.mktime(
time.strptime("2015-03-07 17:47:44",
"%Y-%m-%d %H:%M:%S"))) - time.timezone))
assert t == '{}'.format(d)
def test_initialize_string(self):
d = utils.DateTime('2015-03-07T17:47:44')
# ensure that timestamp is check with appropriate timezone offset
assert (1425750464 + time.timezone) == d.timestamp
assert '2015-03-07 17:47:44' == '{}'.format(d)
def test_sub(self):
d2 = datetime.datetime(2015, 3, 7, 18, 18, 38, 508411)
ts2 = utils.DateTime(d2)
assert '0:30:53.791612' == '{}'.format(ts2 - self.datetime)
def test_wait_for_positive(self):
condition = mock.MagicMock(side_effect=[False, False, True, True])
utils.wait_for(condition, 0.1, 1)
self.assertEqual(3, condition.called)
def test_wait_for_negative(self):
condition = mock.MagicMock(side_effect=[False, False, False])
self.assertRaises(exception_utils.TimeoutException,
utils.wait_for(condition, 0.1, 0.2))
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