5eac09e66b
This mocks the global filecache.CACHE in unit tests that modify the
value. This is to avoid errors when other unit tests are running
at the same time, that use that same variable.
For example, ..unit.test_client.ClientTest.test_loader_arguments_token
has failed with ...
File "ironicclient/common/filecache.py", line 103, in retrieve_data
data = _get_cache().get(key, expiration_time=expiry)
AttributeError: 'int' object has no attribute 'get'
Change-Id: I84b9c6699c98d1fa642247808b6ddea4fae1e8d0
182 lines
8.2 KiB
Python
182 lines
8.2 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import dogpile.cache
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import mock
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from ironicclient.common import filecache
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from ironicclient.tests.unit import utils
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class FileCacheTest(utils.BaseTestCase):
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def test__build_key_ok(self):
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result = filecache._build_key('localhost', '5000')
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self.assertEqual('localhost:5000', result)
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def test__build_key_none(self):
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result = filecache._build_key(None, None)
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self.assertEqual('None:None', result)
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@mock.patch.object(filecache, 'CACHE', None)
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@mock.patch.object(os.environ, 'get', autospec=True)
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@mock.patch.object(os.path, 'exists', autospec=True)
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@mock.patch.object(os, 'makedirs', autospec=True)
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@mock.patch.object(dogpile.cache, 'make_region', autospec=True)
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def test__get_cache_mkdir(self, mock_makeregion, mock_makedirs,
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mock_exists, mock_get):
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cache_val = 6
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# If not present in the env, get will return the defaulted value
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mock_get.return_value = filecache.DEFAULT_EXPIRY
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mock_exists.return_value = False
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cache_region = mock.Mock(spec=dogpile.cache.region.CacheRegion)
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cache_region.configure.return_value = cache_val
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mock_makeregion.return_value = cache_region
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self.assertEqual(cache_val, filecache._get_cache())
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self.assertEqual(cache_val, filecache.CACHE)
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mock_exists.assert_called_once_with(filecache.CACHE_DIR)
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mock_makedirs.assert_called_once_with(filecache.CACHE_DIR)
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mock_get.assert_called_once_with(filecache.CACHE_EXPIRY_ENV_VAR,
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mock.ANY)
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cache_region.configure.assert_called_once_with(
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mock.ANY,
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arguments=mock.ANY,
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expiration_time=filecache.DEFAULT_EXPIRY)
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@mock.patch.object(filecache, 'CACHE', None)
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@mock.patch.object(os.environ, 'get', autospec=True)
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@mock.patch.object(os.path, 'exists', autospec=True)
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@mock.patch.object(os, 'makedirs', autospec=True)
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@mock.patch.object(dogpile.cache, 'make_region', autospec=True)
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def test__get_cache_expiry_set(self, mock_makeregion, mock_makedirs,
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mock_exists, mock_get):
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cache_val = 5643
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cache_expiry = '78'
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mock_get.return_value = cache_expiry
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mock_exists.return_value = False
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cache_region = mock.Mock(spec=dogpile.cache.region.CacheRegion)
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cache_region.configure.return_value = cache_val
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mock_makeregion.return_value = cache_region
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self.assertEqual(cache_val, filecache._get_cache())
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self.assertEqual(cache_val, filecache.CACHE)
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mock_get.assert_called_once_with(filecache.CACHE_EXPIRY_ENV_VAR,
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mock.ANY)
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cache_region.configure.assert_called_once_with(
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mock.ANY,
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arguments=mock.ANY,
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expiration_time=int(cache_expiry))
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@mock.patch.object(filecache, 'CACHE', None)
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@mock.patch.object(filecache.LOG, 'warning', autospec=True)
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@mock.patch.object(os.environ, 'get', autospec=True)
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@mock.patch.object(os.path, 'exists', autospec=True)
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@mock.patch.object(os, 'makedirs', autospec=True)
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@mock.patch.object(dogpile.cache, 'make_region', autospec=True)
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def test__get_cache_expiry_set_invalid(self, mock_makeregion,
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mock_makedirs, mock_exists,
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mock_get, mock_log):
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cache_val = 5643
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cache_expiry = 'Rollenhagen'
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mock_get.return_value = cache_expiry
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mock_exists.return_value = False
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cache_region = mock.Mock(spec=dogpile.cache.region.CacheRegion)
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cache_region.configure.return_value = cache_val
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mock_makeregion.return_value = cache_region
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self.assertEqual(cache_val, filecache._get_cache())
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self.assertEqual(cache_val, filecache.CACHE)
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mock_get.assert_called_once_with(filecache.CACHE_EXPIRY_ENV_VAR,
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mock.ANY)
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cache_region.configure.assert_called_once_with(
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mock.ANY,
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arguments=mock.ANY,
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expiration_time=filecache.DEFAULT_EXPIRY)
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log_dict = {'curr_val': cache_expiry,
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'default': filecache.DEFAULT_EXPIRY,
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'env_var': filecache.CACHE_EXPIRY_ENV_VAR}
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mock_log.assert_called_once_with(mock.ANY, log_dict)
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@mock.patch.object(filecache, 'CACHE', 5552368)
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@mock.patch.object(os.path, 'exists', autospec=True)
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@mock.patch.object(os, 'makedirs', autospec=True)
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def test__get_cache_dir_already_exists(self, mock_makedirs, mock_exists):
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mock_exists.return_value = True
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self.assertEqual(5552368, filecache._get_cache())
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self.assertEqual(5552368, filecache.CACHE)
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self.assertEqual(0, mock_exists.call_count)
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self.assertEqual(0, mock_makedirs.call_count)
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@mock.patch.object(dogpile.cache.region, 'CacheRegion', autospec=True)
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@mock.patch.object(filecache, '_get_cache', autospec=True)
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def test_save_data_ok(self, mock_get_cache, mock_cache):
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mock_get_cache.return_value = mock_cache
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host = 'fred'
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port = '1234'
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hostport = '%s:%s' % (host, port)
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data = 'some random data'
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filecache.save_data(host, port, data)
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mock_cache.set.assert_called_once_with(hostport, data)
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@mock.patch.object(os.path, 'isfile', autospec=True)
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@mock.patch.object(dogpile.cache.region, 'CacheRegion', autospec=True)
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@mock.patch.object(filecache, '_get_cache', autospec=True)
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def test_retrieve_data_ok(self, mock_get_cache, mock_cache, mock_isfile):
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s = 'spam'
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mock_isfile.return_value = True
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mock_cache.get.return_value = s
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mock_get_cache.return_value = mock_cache
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host = 'fred'
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port = '1234'
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hostport = '%s:%s' % (host, port)
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result = filecache.retrieve_data(host, port)
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mock_cache.get.assert_called_once_with(hostport, expiration_time=None)
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self.assertEqual(s, result)
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@mock.patch.object(os.path, 'isfile', autospec=True)
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@mock.patch.object(dogpile.cache.region, 'CacheRegion', autospec=True)
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@mock.patch.object(filecache, '_get_cache', autospec=True)
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def test_retrieve_data_ok_with_expiry(self, mock_get_cache, mock_cache,
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mock_isfile):
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s = 'spam'
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mock_isfile.return_value = True
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mock_cache.get.return_value = s
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mock_get_cache.return_value = mock_cache
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host = 'fred'
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port = '1234'
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expiry = '987'
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hostport = '%s:%s' % (host, port)
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result = filecache.retrieve_data(host, port, expiry)
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mock_cache.get.assert_called_once_with(hostport,
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expiration_time=expiry)
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self.assertEqual(s, result)
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@mock.patch.object(os.path, 'isfile', autospec=True)
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@mock.patch.object(dogpile.cache.region, 'CacheRegion', autospec=True)
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@mock.patch.object(filecache, '_get_cache', autospec=True)
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def test_retrieve_data_not_found(self, mock_get_cache, mock_cache,
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mock_isfile):
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mock_isfile.return_value = True
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mock_cache.get.return_value = dogpile.cache.api.NO_VALUE
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mock_get_cache.return_value = mock_cache
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host = 'fred'
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port = '1234'
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hostport = '%s:%s' % (host, port)
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result = filecache.retrieve_data(host, port)
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mock_cache.get.assert_called_once_with(hostport, expiration_time=None)
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self.assertIsNone(result)
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@mock.patch.object(os.path, 'isfile', autospec=True)
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def test_retrieve_data_no_cache_file(self, mock_isfile):
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mock_isfile.return_value = False
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self.assertIsNone(filecache.retrieve_data(host='spam', port='eggs'))
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