213 lines
9.0 KiB
Python
213 lines
9.0 KiB
Python
#!/usr/bin/env python
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#
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# Copyright 2012 eNovance <licensing@enovance.com>
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#
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# 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 collections
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from keystoneclient import exceptions
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import mock
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from oslotest import base
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from oslotest import mockpatch
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from swiftclient import client as swift_client
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import testscenarios.testcase
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from ceilometer.agent import manager
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from ceilometer.objectstore import swift
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HEAD_ACCOUNTS = [('tenant-000', {'x-account-object-count': 12,
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'x-account-bytes-used': 321321321,
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'x-account-container-count': 7,
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}),
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('tenant-001', {'x-account-object-count': 34,
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'x-account-bytes-used': 9898989898,
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'x-account-container-count': 17,
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}),
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('tenant-002-ignored', {'x-account-object-count': 34,
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'x-account-bytes-used': 9898989898,
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'x-account-container-count': 17,
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})]
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GET_ACCOUNTS = [('tenant-000', ({'x-account-object-count': 10,
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'x-account-bytes-used': 123123,
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'x-account-container-count': 2,
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},
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[{'count': 10,
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'bytes': 123123,
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'name': 'my_container'},
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{'count': 0,
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'bytes': 0,
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'name': 'new_container'
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}])),
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('tenant-001', ({'x-account-object-count': 0,
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'x-account-bytes-used': 0,
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'x-account-container-count': 0,
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}, [])),
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('tenant-002-ignored', ({'x-account-object-count': 0,
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'x-account-bytes-used': 0,
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'x-account-container-count': 0,
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}, []))]
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Tenant = collections.namedtuple('Tenant', 'id')
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ASSIGNED_TENANTS = [Tenant('tenant-000'), Tenant('tenant-001')]
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class TestManager(manager.AgentManager):
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def __init__(self):
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super(TestManager, self).__init__()
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self.keystone = mock.MagicMock()
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class TestSwiftPollster(testscenarios.testcase.WithScenarios,
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base.BaseTestCase):
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# Define scenarios to run all of the tests against all of the
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# pollsters.
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scenarios = [
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('storage.objects',
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{'factory': swift.ObjectsPollster}),
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('storage.objects.size',
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{'factory': swift.ObjectsSizePollster}),
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('storage.objects.containers',
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{'factory': swift.ObjectsContainersPollster}),
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('storage.containers.objects',
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{'factory': swift.ContainersObjectsPollster}),
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('storage.containers.objects.size',
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{'factory': swift.ContainersSizePollster}),
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]
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@staticmethod
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def fake_ks_service_catalog_url_for(*args, **kwargs):
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raise exceptions.EndpointNotFound("Fake keystone exception")
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def fake_iter_accounts(self, ksclient, cache, tenants):
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tenant_ids = [t.id for t in tenants]
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for i in self.ACCOUNTS:
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if i[0] in tenant_ids:
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yield i
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@mock.patch('ceilometer.pipeline.setup_pipeline', mock.MagicMock())
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def setUp(self):
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super(TestSwiftPollster, self).setUp()
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self.pollster = self.factory()
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self.manager = TestManager()
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if self.pollster.CACHE_KEY_METHOD == 'swift.head_account':
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self.ACCOUNTS = HEAD_ACCOUNTS
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else:
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self.ACCOUNTS = GET_ACCOUNTS
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def tearDown(self):
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super(TestSwiftPollster, self).tearDown()
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swift._Base._ENDPOINT = None
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def test_iter_accounts_no_cache(self):
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cache = {}
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with mockpatch.PatchObject(self.factory, '_get_account_info',
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return_value=[]):
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data = list(self.pollster._iter_accounts(mock.Mock(), cache,
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ASSIGNED_TENANTS))
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self.assertIn(self.pollster.CACHE_KEY_METHOD, cache)
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self.assertEqual([], data)
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def test_iter_accounts_cached(self):
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# Verify that if a method has already been called, _iter_accounts
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# uses the cached version and doesn't call swiftclient.
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mock_method = mock.Mock()
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mock_method.side_effect = AssertionError(
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'should not be called',
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)
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api_method = '%s_account' % self.pollster.METHOD
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with mockpatch.PatchObject(swift_client, api_method, new=mock_method):
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with mockpatch.PatchObject(self.factory, '_neaten_url'):
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cache = {self.pollster.CACHE_KEY_METHOD: [self.ACCOUNTS[0]]}
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data = list(self.pollster._iter_accounts(mock.Mock(), cache,
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ASSIGNED_TENANTS))
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self.assertEqual([self.ACCOUNTS[0]], data)
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def test_neaten_url(self):
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test_endpoints = ['http://127.0.0.1:8080',
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'http://127.0.0.1:8080/swift']
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test_tenant_id = 'a7fd1695fa154486a647e44aa99a1b9b'
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for test_endpoint in test_endpoints:
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standard_url = test_endpoint + '/v1/AUTH_' + test_tenant_id
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url = swift._Base._neaten_url(test_endpoint, test_tenant_id)
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self.assertEqual(standard_url, url)
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url = swift._Base._neaten_url(test_endpoint + '/', test_tenant_id)
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self.assertEqual(standard_url, url)
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url = swift._Base._neaten_url(test_endpoint + '/v1',
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test_tenant_id)
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self.assertEqual(standard_url, url)
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url = swift._Base._neaten_url(standard_url, test_tenant_id)
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self.assertEqual(standard_url, url)
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def test_metering(self):
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with mockpatch.PatchObject(self.factory, '_iter_accounts',
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side_effect=self.fake_iter_accounts):
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samples = list(self.pollster.get_samples(self.manager, {},
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ASSIGNED_TENANTS))
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self.assertEqual(2, len(samples), self.pollster.__class__)
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def test_get_meter_names(self):
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with mockpatch.PatchObject(self.factory, '_iter_accounts',
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side_effect=self.fake_iter_accounts):
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samples = list(self.pollster.get_samples(self.manager, {},
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ASSIGNED_TENANTS))
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self.assertEqual(set([samples[0].name]),
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set([s.name for s in samples]))
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def test_only_poll_assigned(self):
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mock_method = mock.MagicMock()
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endpoint = 'end://point/'
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api_method = '%s_account' % self.pollster.METHOD
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with mockpatch.PatchObject(swift_client, api_method, new=mock_method):
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with mockpatch.PatchObject(
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self.manager.keystone.service_catalog, 'url_for',
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return_value=endpoint):
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list(self.pollster.get_samples(self.manager, {},
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ASSIGNED_TENANTS))
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expected = [mock.call(self.pollster._neaten_url(endpoint, t.id),
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self.manager.keystone.auth_token)
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for t in ASSIGNED_TENANTS]
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self.assertEqual(expected, mock_method.call_args_list)
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def test_get_endpoint_only_once(self):
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mock_url_for = mock.MagicMock()
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api_method = '%s_account' % self.pollster.METHOD
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with mockpatch.PatchObject(swift_client, api_method,
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new=mock.MagicMock()):
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with mockpatch.PatchObject(
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self.manager.keystone.service_catalog, 'url_for',
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new=mock_url_for):
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list(self.pollster.get_samples(self.manager, {},
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ASSIGNED_TENANTS))
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list(self.pollster.get_samples(self.manager, {},
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ASSIGNED_TENANTS))
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self.assertEqual(1, mock_url_for.call_count)
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def test_endpoint_notfound(self):
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with mockpatch.PatchObject(
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self.manager.keystone.service_catalog, 'url_for',
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side_effect=self.fake_ks_service_catalog_url_for):
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samples = list(self.pollster.get_samples(self.manager, {},
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ASSIGNED_TENANTS))
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self.assertEqual(0, len(samples))
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