749 lines
26 KiB
Python
749 lines
26 KiB
Python
# Copyright (c) 2011 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import urllib
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from time import time
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from unittest import main, TestCase
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from test.unit import FakeLogger, FakeRing, mocked_http_conn
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from copy import deepcopy
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from tempfile import mkdtemp
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from shutil import rmtree
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import mock
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from swift.common import internal_client, utils
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from swift.obj import expirer
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def not_random():
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return 0.5
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last_not_sleep = 0
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def not_sleep(seconds):
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global last_not_sleep
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last_not_sleep = seconds
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class TestObjectExpirer(TestCase):
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maxDiff = None
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internal_client = None
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def setUp(self):
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global not_sleep
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self.old_loadapp = internal_client.loadapp
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self.old_sleep = internal_client.sleep
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internal_client.loadapp = lambda *a, **kw: None
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internal_client.sleep = not_sleep
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self.rcache = mkdtemp()
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self.logger = FakeLogger()
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def tearDown(self):
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rmtree(self.rcache)
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internal_client.sleep = self.old_sleep
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internal_client.loadapp = self.old_loadapp
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def test_get_process_values_from_kwargs(self):
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x = expirer.ObjectExpirer({})
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vals = {
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'processes': 5,
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'process': 1,
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}
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x.get_process_values(vals)
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self.assertEqual(x.processes, 5)
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self.assertEqual(x.process, 1)
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def test_get_process_values_from_config(self):
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vals = {
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'processes': 5,
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'process': 1,
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}
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x = expirer.ObjectExpirer(vals)
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x.get_process_values({})
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self.assertEqual(x.processes, 5)
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self.assertEqual(x.process, 1)
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def test_get_process_values_negative_process(self):
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vals = {
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'processes': 5,
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'process': -1,
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}
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# from config
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x = expirer.ObjectExpirer(vals)
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self.assertRaises(ValueError, x.get_process_values, {})
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# from kwargs
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x = expirer.ObjectExpirer({})
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self.assertRaises(ValueError, x.get_process_values, vals)
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def test_get_process_values_negative_processes(self):
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vals = {
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'processes': -5,
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'process': 1,
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}
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# from config
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x = expirer.ObjectExpirer(vals)
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self.assertRaises(ValueError, x.get_process_values, {})
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# from kwargs
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x = expirer.ObjectExpirer({})
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self.assertRaises(ValueError, x.get_process_values, vals)
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def test_get_process_values_process_greater_than_processes(self):
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vals = {
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'processes': 5,
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'process': 7,
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}
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# from config
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x = expirer.ObjectExpirer(vals)
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self.assertRaises(ValueError, x.get_process_values, {})
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# from kwargs
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x = expirer.ObjectExpirer({})
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self.assertRaises(ValueError, x.get_process_values, vals)
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def test_init_concurrency_too_small(self):
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conf = {
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'concurrency': 0,
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}
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self.assertRaises(ValueError, expirer.ObjectExpirer, conf)
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conf = {
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'concurrency': -1,
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}
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self.assertRaises(ValueError, expirer.ObjectExpirer, conf)
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def test_process_based_concurrency(self):
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class ObjectExpirer(expirer.ObjectExpirer):
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def __init__(self, conf):
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super(ObjectExpirer, self).__init__(conf)
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self.processes = 3
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self.deleted_objects = {}
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self.obj_containers_in_order = []
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def delete_object(self, actual_obj, timestamp, container, obj):
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if container not in self.deleted_objects:
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self.deleted_objects[container] = set()
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self.deleted_objects[container].add(obj)
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self.obj_containers_in_order.append(container)
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class InternalClient(object):
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def __init__(self, containers):
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self.containers = containers
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def get_account_info(self, *a, **kw):
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return len(self.containers.keys()), \
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sum([len(self.containers[x]) for x in self.containers])
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def iter_containers(self, *a, **kw):
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return [{'name': x} for x in self.containers.keys()]
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def iter_objects(self, account, container):
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return [{'name': x} for x in self.containers[container]]
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def delete_container(*a, **kw):
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pass
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ukey = u'3'
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containers = {
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0: set('1-one 2-two 3-three'.split()),
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1: set('2-two 3-three 4-four'.split()),
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2: set('5-five 6-six'.split()),
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ukey: set(u'7-seven\u2661'.split()),
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}
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x = ObjectExpirer({})
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x.swift = InternalClient(containers)
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deleted_objects = {}
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for i in xrange(3):
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x.process = i
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x.run_once()
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self.assertNotEqual(deleted_objects, x.deleted_objects)
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deleted_objects = deepcopy(x.deleted_objects)
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self.assertEqual(containers[ukey].pop(),
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deleted_objects[ukey].pop().decode('utf8'))
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self.assertEqual(containers, deleted_objects)
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self.assertEqual(len(set(x.obj_containers_in_order[:4])), 4)
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def test_delete_object(self):
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class InternalClient(object):
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container_ring = None
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def __init__(self, test, account, container, obj):
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self.test = test
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self.account = account
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self.container = container
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self.obj = obj
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self.delete_object_called = False
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class DeleteActualObject(object):
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def __init__(self, test, actual_obj, timestamp):
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self.test = test
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self.actual_obj = actual_obj
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self.timestamp = timestamp
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self.called = False
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def __call__(self, actual_obj, timestamp):
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self.test.assertEqual(self.actual_obj, actual_obj)
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self.test.assertEqual(self.timestamp, timestamp)
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self.called = True
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container = 'container'
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obj = 'obj'
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actual_obj = 'actual_obj'
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timestamp = 'timestamp'
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x = expirer.ObjectExpirer({}, logger=self.logger)
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x.swift = \
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InternalClient(self, x.expiring_objects_account, container, obj)
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x.delete_actual_object = \
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DeleteActualObject(self, actual_obj, timestamp)
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delete_object_called = []
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def pop_queue(c, o):
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self.assertEqual(container, c)
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self.assertEqual(obj, o)
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delete_object_called[:] = [True]
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x.pop_queue = pop_queue
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x.delete_object(actual_obj, timestamp, container, obj)
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self.assertTrue(delete_object_called)
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self.assertTrue(x.delete_actual_object.called)
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def test_report(self):
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x = expirer.ObjectExpirer({}, logger=self.logger)
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x.report()
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self.assertEqual(x.logger.log_dict['info'], [])
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x.logger._clear()
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x.report(final=True)
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self.assertTrue('completed' in x.logger.log_dict['info'][-1][0][0],
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x.logger.log_dict['info'])
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self.assertTrue('so far' not in x.logger.log_dict['info'][-1][0][0],
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x.logger.log_dict['info'])
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x.logger._clear()
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x.report_last_time = time() - x.report_interval
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x.report()
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self.assertTrue('completed' not in x.logger.log_dict['info'][-1][0][0],
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x.logger.log_dict['info'])
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self.assertTrue('so far' in x.logger.log_dict['info'][-1][0][0],
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x.logger.log_dict['info'])
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def test_run_once_nothing_to_do(self):
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x = expirer.ObjectExpirer({}, logger=self.logger)
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x.swift = 'throw error because a string does not have needed methods'
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x.run_once()
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self.assertEqual(x.logger.log_dict['exception'],
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[(("Unhandled exception",), {},
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"'str' object has no attribute "
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"'get_account_info'")])
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def test_run_once_calls_report(self):
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class InternalClient(object):
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def get_account_info(*a, **kw):
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return 1, 2
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def iter_containers(*a, **kw):
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return []
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x = expirer.ObjectExpirer({}, logger=self.logger)
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x.swift = InternalClient()
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x.run_once()
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self.assertEqual(
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x.logger.log_dict['info'],
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[(('Pass beginning; 1 possible containers; '
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'2 possible objects',), {}),
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(('Pass completed in 0s; 0 objects expired',), {})])
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def test_container_timestamp_break(self):
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class InternalClient(object):
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def __init__(self, containers):
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self.containers = containers
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def get_account_info(*a, **kw):
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return 1, 2
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def iter_containers(self, *a, **kw):
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return self.containers
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def iter_objects(*a, **kw):
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raise Exception('This should not have been called')
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x = expirer.ObjectExpirer({'recon_cache_path': self.rcache},
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logger=self.logger)
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x.swift = InternalClient([{'name': str(int(time() + 86400))}])
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x.run_once()
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for exccall in x.logger.log_dict['exception']:
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self.assertTrue(
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'This should not have been called' not in exccall[0][0])
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self.assertEqual(
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x.logger.log_dict['info'],
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[(('Pass beginning; 1 possible containers; '
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'2 possible objects',), {}),
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(('Pass completed in 0s; 0 objects expired',), {})])
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# Reverse test to be sure it still would blow up the way expected.
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fake_swift = InternalClient([{'name': str(int(time() - 86400))}])
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x = expirer.ObjectExpirer({}, logger=self.logger, swift=fake_swift)
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x.run_once()
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self.assertEqual(
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x.logger.log_dict['exception'],
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[(('Unhandled exception',), {},
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str(Exception('This should not have been called')))])
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def test_object_timestamp_break(self):
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class InternalClient(object):
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def __init__(self, containers, objects):
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self.containers = containers
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self.objects = objects
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def get_account_info(*a, **kw):
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return 1, 2
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def iter_containers(self, *a, **kw):
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return self.containers
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def delete_container(*a, **kw):
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pass
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def iter_objects(self, *a, **kw):
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return self.objects
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def should_not_be_called(*a, **kw):
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raise Exception('This should not have been called')
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fake_swift = InternalClient(
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[{'name': str(int(time() - 86400))}],
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[{'name': '%d-actual-obj' % int(time() + 86400)}])
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x = expirer.ObjectExpirer({}, logger=self.logger, swift=fake_swift)
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x.run_once()
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for exccall in x.logger.log_dict['exception']:
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self.assertTrue(
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'This should not have been called' not in exccall[0][0])
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self.assertEqual(
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x.logger.log_dict['info'],
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[(('Pass beginning; 1 possible containers; '
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'2 possible objects',), {}),
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(('Pass completed in 0s; 0 objects expired',), {})])
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# Reverse test to be sure it still would blow up the way expected.
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ts = int(time() - 86400)
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fake_swift = InternalClient(
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[{'name': str(int(time() - 86400))}],
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[{'name': '%d-actual-obj' % ts}])
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x = expirer.ObjectExpirer({}, logger=self.logger, swift=fake_swift)
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x.delete_actual_object = should_not_be_called
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x.run_once()
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excswhiledeleting = []
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for exccall in x.logger.log_dict['exception']:
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if exccall[0][0].startswith('Exception while deleting '):
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excswhiledeleting.append(exccall[0][0])
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self.assertEqual(
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excswhiledeleting,
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['Exception while deleting object %d %d-actual-obj '
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'This should not have been called' % (ts, ts)])
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def test_failed_delete_keeps_entry(self):
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class InternalClient(object):
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container_ring = None
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def __init__(self, containers, objects):
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self.containers = containers
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self.objects = objects
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def get_account_info(*a, **kw):
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return 1, 2
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def iter_containers(self, *a, **kw):
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return self.containers
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def delete_container(*a, **kw):
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pass
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def iter_objects(self, *a, **kw):
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return self.objects
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def deliberately_blow_up(actual_obj, timestamp):
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raise Exception('failed to delete actual object')
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def should_not_get_called(container, obj):
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raise Exception('This should not have been called')
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ts = int(time() - 86400)
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fake_swift = InternalClient(
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[{'name': str(int(time() - 86400))}],
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[{'name': '%d-actual-obj' % ts}])
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x = expirer.ObjectExpirer({}, logger=self.logger, swift=fake_swift)
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x.iter_containers = lambda: [str(int(time() - 86400))]
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x.delete_actual_object = deliberately_blow_up
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x.pop_queue = should_not_get_called
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x.run_once()
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excswhiledeleting = []
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for exccall in x.logger.log_dict['exception']:
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if exccall[0][0].startswith('Exception while deleting '):
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excswhiledeleting.append(exccall[0][0])
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self.assertEqual(
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excswhiledeleting,
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['Exception while deleting object %d %d-actual-obj '
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'failed to delete actual object' % (ts, ts)])
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self.assertEqual(
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x.logger.log_dict['info'],
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[(('Pass beginning; 1 possible containers; '
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'2 possible objects',), {}),
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(('Pass completed in 0s; 0 objects expired',), {})])
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# Reverse test to be sure it still would blow up the way expected.
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ts = int(time() - 86400)
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fake_swift = InternalClient(
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[{'name': str(int(time() - 86400))}],
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[{'name': '%d-actual-obj' % ts}])
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self.logger._clear()
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x = expirer.ObjectExpirer({}, logger=self.logger, swift=fake_swift)
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x.delete_actual_object = lambda o, t: None
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x.pop_queue = should_not_get_called
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x.run_once()
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excswhiledeleting = []
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for exccall in x.logger.log_dict['exception']:
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if exccall[0][0].startswith('Exception while deleting '):
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excswhiledeleting.append(exccall[0][0])
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self.assertEqual(
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excswhiledeleting,
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['Exception while deleting object %d %d-actual-obj This should '
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'not have been called' % (ts, ts)])
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def test_success_gets_counted(self):
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class InternalClient(object):
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container_ring = None
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def __init__(self, containers, objects):
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self.containers = containers
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self.objects = objects
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def get_account_info(*a, **kw):
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return 1, 2
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def iter_containers(self, *a, **kw):
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return self.containers
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def delete_container(*a, **kw):
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pass
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def delete_object(*a, **kw):
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pass
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def iter_objects(self, *a, **kw):
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return self.objects
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fake_swift = InternalClient(
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[{'name': str(int(time() - 86400))}],
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[{'name': '%d-acc/c/actual-obj' % int(time() - 86400)}])
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x = expirer.ObjectExpirer({}, logger=self.logger, swift=fake_swift)
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x.delete_actual_object = lambda o, t: None
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x.pop_queue = lambda c, o: None
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self.assertEqual(x.report_objects, 0)
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with mock.patch('swift.obj.expirer.MAX_OBJECTS_TO_CACHE', 0):
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x.run_once()
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self.assertEqual(x.report_objects, 1)
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self.assertEqual(
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x.logger.log_dict['info'],
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[(('Pass beginning; 1 possible containers; '
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'2 possible objects',), {}),
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(('Pass completed in 0s; 1 objects expired',), {})])
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def test_delete_actual_object_does_not_get_unicode(self):
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class InternalClient(object):
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container_ring = None
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def __init__(self, containers, objects):
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self.containers = containers
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self.objects = objects
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def get_account_info(*a, **kw):
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return 1, 2
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def iter_containers(self, *a, **kw):
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return self.containers
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def delete_container(*a, **kw):
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pass
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def delete_object(*a, **kw):
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pass
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def iter_objects(self, *a, **kw):
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return self.objects
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got_unicode = [False]
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def delete_actual_object_test_for_unicode(actual_obj, timestamp):
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if isinstance(actual_obj, unicode):
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got_unicode[0] = True
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fake_swift = InternalClient(
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[{'name': str(int(time() - 86400))}],
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[{'name': u'%d-actual-obj' % int(time() - 86400)}])
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x = expirer.ObjectExpirer({}, logger=self.logger, swift=fake_swift)
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x.delete_actual_object = delete_actual_object_test_for_unicode
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x.pop_queue = lambda c, o: None
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self.assertEqual(x.report_objects, 0)
|
|
x.run_once()
|
|
self.assertEqual(x.report_objects, 1)
|
|
self.assertEqual(
|
|
x.logger.log_dict['info'],
|
|
[(('Pass beginning; 1 possible containers; '
|
|
'2 possible objects',), {}),
|
|
(('Pass completed in 0s; 1 objects expired',), {})])
|
|
self.assertFalse(got_unicode[0])
|
|
|
|
def test_failed_delete_continues_on(self):
|
|
class InternalClient(object):
|
|
|
|
container_ring = None
|
|
|
|
def __init__(self, containers, objects):
|
|
self.containers = containers
|
|
self.objects = objects
|
|
|
|
def get_account_info(*a, **kw):
|
|
return 1, 2
|
|
|
|
def iter_containers(self, *a, **kw):
|
|
return self.containers
|
|
|
|
def delete_container(*a, **kw):
|
|
raise Exception('failed to delete container')
|
|
|
|
def delete_object(*a, **kw):
|
|
pass
|
|
|
|
def iter_objects(self, *a, **kw):
|
|
return self.objects
|
|
|
|
def fail_delete_actual_object(actual_obj, timestamp):
|
|
raise Exception('failed to delete actual object')
|
|
|
|
x = expirer.ObjectExpirer({}, logger=self.logger)
|
|
|
|
cts = int(time() - 86400)
|
|
ots = int(time() - 86400)
|
|
|
|
containers = [
|
|
{'name': str(cts)},
|
|
{'name': str(cts + 1)},
|
|
]
|
|
|
|
objects = [
|
|
{'name': '%d-actual-obj' % ots},
|
|
{'name': '%d-next-obj' % ots}
|
|
]
|
|
|
|
x.swift = InternalClient(containers, objects)
|
|
x.delete_actual_object = fail_delete_actual_object
|
|
x.run_once()
|
|
excswhiledeleting = []
|
|
for exccall in x.logger.log_dict['exception']:
|
|
if exccall[0][0].startswith('Exception while deleting '):
|
|
excswhiledeleting.append(exccall[0][0])
|
|
self.assertEqual(sorted(excswhiledeleting), sorted([
|
|
'Exception while deleting object %d %d-actual-obj failed to '
|
|
'delete actual object' % (cts, ots),
|
|
'Exception while deleting object %d %d-next-obj failed to '
|
|
'delete actual object' % (cts, ots),
|
|
'Exception while deleting object %d %d-actual-obj failed to '
|
|
'delete actual object' % (cts + 1, ots),
|
|
'Exception while deleting object %d %d-next-obj failed to '
|
|
'delete actual object' % (cts + 1, ots),
|
|
'Exception while deleting container %d failed to delete '
|
|
'container' % (cts,),
|
|
'Exception while deleting container %d failed to delete '
|
|
'container' % (cts + 1,)]))
|
|
self.assertEqual(
|
|
x.logger.log_dict['info'],
|
|
[(('Pass beginning; 1 possible containers; '
|
|
'2 possible objects',), {}),
|
|
(('Pass completed in 0s; 0 objects expired',), {})])
|
|
|
|
def test_run_forever_initial_sleep_random(self):
|
|
global last_not_sleep
|
|
|
|
def raise_system_exit():
|
|
raise SystemExit('test_run_forever')
|
|
|
|
interval = 1234
|
|
x = expirer.ObjectExpirer({'__file__': 'unit_test',
|
|
'interval': interval})
|
|
orig_random = expirer.random
|
|
orig_sleep = expirer.sleep
|
|
try:
|
|
expirer.random = not_random
|
|
expirer.sleep = not_sleep
|
|
x.run_once = raise_system_exit
|
|
x.run_forever()
|
|
except SystemExit as err:
|
|
pass
|
|
finally:
|
|
expirer.random = orig_random
|
|
expirer.sleep = orig_sleep
|
|
self.assertEqual(str(err), 'test_run_forever')
|
|
self.assertEqual(last_not_sleep, 0.5 * interval)
|
|
|
|
def test_run_forever_catches_usual_exceptions(self):
|
|
raises = [0]
|
|
|
|
def raise_exceptions():
|
|
raises[0] += 1
|
|
if raises[0] < 2:
|
|
raise Exception('exception %d' % raises[0])
|
|
raise SystemExit('exiting exception %d' % raises[0])
|
|
|
|
x = expirer.ObjectExpirer({}, logger=self.logger)
|
|
orig_sleep = expirer.sleep
|
|
try:
|
|
expirer.sleep = not_sleep
|
|
x.run_once = raise_exceptions
|
|
x.run_forever()
|
|
except SystemExit as err:
|
|
pass
|
|
finally:
|
|
expirer.sleep = orig_sleep
|
|
self.assertEqual(str(err), 'exiting exception 2')
|
|
self.assertEqual(x.logger.log_dict['exception'],
|
|
[(('Unhandled exception',), {},
|
|
'exception 1')])
|
|
|
|
def test_delete_actual_object(self):
|
|
got_env = [None]
|
|
|
|
def fake_app(env, start_response):
|
|
got_env[0] = env
|
|
start_response('204 No Content', [('Content-Length', '0')])
|
|
return []
|
|
|
|
internal_client.loadapp = lambda *a, **kw: fake_app
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
ts = '1234'
|
|
x.delete_actual_object('/path/to/object', ts)
|
|
self.assertEqual(got_env[0]['HTTP_X_IF_DELETE_AT'], ts)
|
|
|
|
def test_delete_actual_object_nourlquoting(self):
|
|
# delete_actual_object should not do its own url quoting because
|
|
# internal client's make_request handles that.
|
|
got_env = [None]
|
|
|
|
def fake_app(env, start_response):
|
|
got_env[0] = env
|
|
start_response('204 No Content', [('Content-Length', '0')])
|
|
return []
|
|
|
|
internal_client.loadapp = lambda *a, **kw: fake_app
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
ts = '1234'
|
|
x.delete_actual_object('/path/to/object name', ts)
|
|
self.assertEqual(got_env[0]['HTTP_X_IF_DELETE_AT'], ts)
|
|
self.assertEqual(got_env[0]['PATH_INFO'], '/v1/path/to/object name')
|
|
|
|
def test_delete_actual_object_raises_404(self):
|
|
|
|
def fake_app(env, start_response):
|
|
start_response('404 Not Found', [('Content-Length', '0')])
|
|
return []
|
|
|
|
internal_client.loadapp = lambda *a, **kw: fake_app
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
self.assertRaises(internal_client.UnexpectedResponse,
|
|
x.delete_actual_object, '/path/to/object', '1234')
|
|
|
|
def test_delete_actual_object_handles_412(self):
|
|
|
|
def fake_app(env, start_response):
|
|
start_response('412 Precondition Failed',
|
|
[('Content-Length', '0')])
|
|
return []
|
|
|
|
internal_client.loadapp = lambda *a, **kw: fake_app
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
x.delete_actual_object('/path/to/object', '1234')
|
|
|
|
def test_delete_actual_object_does_not_handle_odd_stuff(self):
|
|
|
|
def fake_app(env, start_response):
|
|
start_response(
|
|
'503 Internal Server Error',
|
|
[('Content-Length', '0')])
|
|
return []
|
|
|
|
internal_client.loadapp = lambda *a, **kw: fake_app
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
exc = None
|
|
try:
|
|
x.delete_actual_object('/path/to/object', '1234')
|
|
except Exception as err:
|
|
exc = err
|
|
finally:
|
|
pass
|
|
self.assertEqual(503, exc.resp.status_int)
|
|
|
|
def test_delete_actual_object_quotes(self):
|
|
name = 'this name should get quoted'
|
|
timestamp = '1366063156.863045'
|
|
x = expirer.ObjectExpirer({})
|
|
x.swift.make_request = mock.MagicMock()
|
|
x.delete_actual_object(name, timestamp)
|
|
x.swift.make_request.assert_called_once()
|
|
self.assertEqual(x.swift.make_request.call_args[0][1],
|
|
'/v1/' + urllib.quote(name))
|
|
|
|
def test_pop_queue(self):
|
|
class InternalClient(object):
|
|
container_ring = FakeRing()
|
|
x = expirer.ObjectExpirer({}, logger=self.logger,
|
|
swift=InternalClient())
|
|
requests = []
|
|
|
|
def capture_requests(ipaddr, port, method, path, *args, **kwargs):
|
|
requests.append((method, path))
|
|
with mocked_http_conn(
|
|
200, 200, 200, give_connect=capture_requests) as fake_conn:
|
|
x.pop_queue('c', 'o')
|
|
self.assertRaises(StopIteration, fake_conn.code_iter.next)
|
|
for method, path in requests:
|
|
self.assertEqual(method, 'DELETE')
|
|
device, part, account, container, obj = utils.split_path(
|
|
path, 5, 5, True)
|
|
self.assertEqual(account, '.expiring_objects')
|
|
self.assertEqual(container, 'c')
|
|
self.assertEqual(obj, 'o')
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|