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# 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 os
from unittest import mock
import dogpile.cache
from ironicclient.common import filecache
from ironicclient.tests.unit import utils
class FileCacheTest(utils.BaseTestCase):
def test__build_key_ok(self):
result = filecache._build_key('localhost', '5000')
self.assertEqual('localhost:5000', result)
def test__build_key_none(self):
result = filecache._build_key(None, None)
self.assertEqual('None:None', result)
@mock.patch.object(filecache, 'CACHE', None)
@mock.patch.object(os.environ, 'get', autospec=True)
@mock.patch.object(os.path, 'exists', autospec=True)
@mock.patch.object(os, 'makedirs', autospec=True)
@mock.patch.object(dogpile.cache, 'make_region', autospec=True)
def test__get_cache_mkdir(self, mock_makeregion, mock_makedirs,
mock_exists, mock_get):
cache_val = 6
# If not present in the env, get will return the defaulted value
mock_get.return_value = filecache.DEFAULT_EXPIRY
mock_exists.return_value = False
cache_region = mock.Mock(spec=dogpile.cache.region.CacheRegion)
cache_region.configure.return_value = cache_val
mock_makeregion.return_value = cache_region
self.assertEqual(cache_val, filecache._get_cache())
self.assertEqual(cache_val, filecache.CACHE)
mock_exists.assert_called_once_with(filecache.CACHE_DIR)
mock_makedirs.assert_called_once_with(filecache.CACHE_DIR)
mock_get.assert_called_once_with(filecache.CACHE_EXPIRY_ENV_VAR,
mock.ANY)
cache_region.configure.assert_called_once_with(
mock.ANY,
arguments=mock.ANY,
expiration_time=filecache.DEFAULT_EXPIRY)
@mock.patch.object(filecache, 'CACHE', None)
@mock.patch.object(os.environ, 'get', autospec=True)
@mock.patch.object(os.path, 'exists', autospec=True)
@mock.patch.object(os, 'makedirs', autospec=True)
@mock.patch.object(dogpile.cache, 'make_region', autospec=True)
def test__get_cache_expiry_set(self, mock_makeregion, mock_makedirs,
mock_exists, mock_get):
cache_val = 5643
cache_expiry = '78'
mock_get.return_value = cache_expiry
mock_exists.return_value = False
cache_region = mock.Mock(spec=dogpile.cache.region.CacheRegion)
cache_region.configure.return_value = cache_val
mock_makeregion.return_value = cache_region
self.assertEqual(cache_val, filecache._get_cache())
self.assertEqual(cache_val, filecache.CACHE)
mock_get.assert_called_once_with(filecache.CACHE_EXPIRY_ENV_VAR,
mock.ANY)
cache_region.configure.assert_called_once_with(
mock.ANY,
arguments=mock.ANY,
expiration_time=int(cache_expiry))
@mock.patch.object(filecache, 'CACHE', None)
@mock.patch.object(filecache.LOG, 'warning', autospec=True)
@mock.patch.object(os.environ, 'get', autospec=True)
@mock.patch.object(os.path, 'exists', autospec=True)
@mock.patch.object(os, 'makedirs', autospec=True)
@mock.patch.object(dogpile.cache, 'make_region', autospec=True)
def test__get_cache_expiry_set_invalid(self, mock_makeregion,
mock_makedirs, mock_exists,
mock_get, mock_log):
cache_val = 5643
cache_expiry = 'Rollenhagen'
mock_get.return_value = cache_expiry
mock_exists.return_value = False
cache_region = mock.Mock(spec=dogpile.cache.region.CacheRegion)
cache_region.configure.return_value = cache_val
mock_makeregion.return_value = cache_region
self.assertEqual(cache_val, filecache._get_cache())
self.assertEqual(cache_val, filecache.CACHE)
mock_get.assert_called_once_with(filecache.CACHE_EXPIRY_ENV_VAR,
mock.ANY)
cache_region.configure.assert_called_once_with(
mock.ANY,
arguments=mock.ANY,
expiration_time=filecache.DEFAULT_EXPIRY)
log_dict = {'curr_val': cache_expiry,
'default': filecache.DEFAULT_EXPIRY,
'env_var': filecache.CACHE_EXPIRY_ENV_VAR}
mock_log.assert_called_once_with(mock.ANY, log_dict)
@mock.patch.object(filecache, 'CACHE', 5552368)
@mock.patch.object(os.path, 'exists', autospec=True)
@mock.patch.object(os, 'makedirs', autospec=True)
def test__get_cache_dir_already_exists(self, mock_makedirs, mock_exists):
mock_exists.return_value = True
self.assertEqual(5552368, filecache._get_cache())
self.assertEqual(5552368, filecache.CACHE)
self.assertEqual(0, mock_exists.call_count)
self.assertEqual(0, mock_makedirs.call_count)
@mock.patch.object(dogpile.cache.region, 'CacheRegion', autospec=True)
@mock.patch.object(filecache, '_get_cache', autospec=True)
def test_save_data_ok(self, mock_get_cache, mock_cache):
mock_get_cache.return_value = mock_cache
host = 'fred'
port = '1234'
hostport = '%s:%s' % (host, port)
data = 'some random data'
filecache.save_data(host, port, data)
mock_cache.set.assert_called_once_with(hostport, data)
@mock.patch.object(os.path, 'isfile', autospec=True)
@mock.patch.object(dogpile.cache.region, 'CacheRegion', autospec=True)
@mock.patch.object(filecache, '_get_cache', autospec=True)
def test_retrieve_data_ok(self, mock_get_cache, mock_cache, mock_isfile):
s = 'spam'
mock_isfile.return_value = True
mock_cache.get.return_value = s
mock_get_cache.return_value = mock_cache
host = 'fred'
port = '1234'
hostport = '%s:%s' % (host, port)
result = filecache.retrieve_data(host, port)
mock_cache.get.assert_called_once_with(hostport, expiration_time=None)
self.assertEqual(s, result)
@mock.patch.object(os.path, 'isfile', autospec=True)
@mock.patch.object(dogpile.cache.region, 'CacheRegion', autospec=True)
@mock.patch.object(filecache, '_get_cache', autospec=True)
def test_retrieve_data_ok_with_expiry(self, mock_get_cache, mock_cache,
mock_isfile):
s = 'spam'
mock_isfile.return_value = True
mock_cache.get.return_value = s
mock_get_cache.return_value = mock_cache
host = 'fred'
port = '1234'
expiry = '987'
hostport = '%s:%s' % (host, port)
result = filecache.retrieve_data(host, port, expiry)
mock_cache.get.assert_called_once_with(hostport,
expiration_time=expiry)
self.assertEqual(s, result)
@mock.patch.object(os.path, 'isfile', autospec=True)
@mock.patch.object(dogpile.cache.region, 'CacheRegion', autospec=True)
@mock.patch.object(filecache, '_get_cache', autospec=True)
def test_retrieve_data_not_found(self, mock_get_cache, mock_cache,
mock_isfile):
mock_isfile.return_value = True
mock_cache.get.return_value = dogpile.cache.api.NO_VALUE
mock_get_cache.return_value = mock_cache
host = 'fred'
port = '1234'
hostport = '%s:%s' % (host, port)
result = filecache.retrieve_data(host, port)
mock_cache.get.assert_called_once_with(hostport, expiration_time=None)
self.assertIsNone(result)
@mock.patch.object(os.path, 'isfile', autospec=True)
def test_retrieve_data_no_cache_file(self, mock_isfile):
mock_isfile.return_value = False
self.assertIsNone(filecache.retrieve_data(host='spam', port='eggs'))
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