# Copyright (c) 2010-2012 OpenStack Foundation # # 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. """ Tests for swift.container.backend """ import os import hashlib import unittest from time import sleep, time from uuid import uuid4 import itertools import random from collections import defaultdict from contextlib import contextmanager import sqlite3 import pickle import json from swift.container.backend import ContainerBroker from swift.common.utils import Timestamp from swift.common.storage_policy import POLICIES import mock from test.unit import patch_policies, with_tempdir from test.unit.common.test_db import TestExampleBroker class TestContainerBroker(unittest.TestCase): """Tests for ContainerBroker""" def test_creation(self): # Test ContainerBroker.__init__ broker = ContainerBroker(':memory:', account='a', container='c') self.assertEqual(broker.db_file, ':memory:') broker.initialize(Timestamp('1').internal, 0) with broker.get() as conn: curs = conn.cursor() curs.execute('SELECT 1') self.assertEqual(curs.fetchall()[0][0], 1) @patch_policies def test_storage_policy_property(self): ts = (Timestamp(t).internal for t in itertools.count(int(time()))) for policy in POLICIES: broker = ContainerBroker(':memory:', account='a', container='policy_%s' % policy.name) broker.initialize(ts.next(), policy.idx) with broker.get() as conn: try: conn.execute('''SELECT storage_policy_index FROM container_stat''') except Exception: is_migrated = False else: is_migrated = True if not is_migrated: # pre spi tests don't set policy on initialize broker.set_storage_policy_index(policy.idx) self.assertEqual(policy.idx, broker.storage_policy_index) # make sure it's cached with mock.patch.object(broker, 'get'): self.assertEqual(policy.idx, broker.storage_policy_index) def test_exception(self): # Test ContainerBroker throwing a conn away after # unhandled exception first_conn = None broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) with broker.get() as conn: first_conn = conn try: with broker.get() as conn: self.assertEquals(first_conn, conn) raise Exception('OMG') except Exception: pass self.assert_(broker.conn is None) def test_empty(self): # Test ContainerBroker.empty broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) self.assert_(broker.empty()) broker.put_object('o', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') self.assert_(not broker.empty()) sleep(.00001) broker.delete_object('o', Timestamp(time()).internal) self.assert_(broker.empty()) def test_reclaim(self): broker = ContainerBroker(':memory:', account='test_account', container='test_container') broker.initialize(Timestamp('1').internal, 0) broker.put_object('o', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') with broker.get() as conn: self.assertEquals(conn.execute( "SELECT count(*) FROM object " "WHERE deleted = 0").fetchone()[0], 1) self.assertEquals(conn.execute( "SELECT count(*) FROM object " "WHERE deleted = 1").fetchone()[0], 0) broker.reclaim(Timestamp(time() - 999).internal, time()) with broker.get() as conn: self.assertEquals(conn.execute( "SELECT count(*) FROM object " "WHERE deleted = 0").fetchone()[0], 1) self.assertEquals(conn.execute( "SELECT count(*) FROM object " "WHERE deleted = 1").fetchone()[0], 0) sleep(.00001) broker.delete_object('o', Timestamp(time()).internal) with broker.get() as conn: self.assertEquals(conn.execute( "SELECT count(*) FROM object " "WHERE deleted = 0").fetchone()[0], 0) self.assertEquals(conn.execute( "SELECT count(*) FROM object " "WHERE deleted = 1").fetchone()[0], 1) broker.reclaim(Timestamp(time() - 999).internal, time()) with broker.get() as conn: self.assertEquals(conn.execute( "SELECT count(*) FROM object " "WHERE deleted = 0").fetchone()[0], 0) self.assertEquals(conn.execute( "SELECT count(*) FROM object " "WHERE deleted = 1").fetchone()[0], 1) sleep(.00001) broker.reclaim(Timestamp(time()).internal, time()) with broker.get() as conn: self.assertEquals(conn.execute( "SELECT count(*) FROM object " "WHERE deleted = 0").fetchone()[0], 0) self.assertEquals(conn.execute( "SELECT count(*) FROM object " "WHERE deleted = 1").fetchone()[0], 0) # Test the return values of reclaim() broker.put_object('w', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('x', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('y', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('z', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') # Test before deletion broker.reclaim(Timestamp(time()).internal, time()) broker.delete_db(Timestamp(time()).internal) def test_get_info_is_deleted(self): start = int(time()) ts = (Timestamp(t).internal for t in itertools.count(start)) broker = ContainerBroker(':memory:', account='test_account', container='test_container') # create it broker.initialize(ts.next(), POLICIES.default.idx) info, is_deleted = broker.get_info_is_deleted() self.assertEqual(is_deleted, broker.is_deleted()) self.assertEqual(is_deleted, False) # sanity self.assertEqual(info, broker.get_info()) self.assertEqual(info['put_timestamp'], Timestamp(start).internal) self.assert_(Timestamp(info['created_at']) >= start) self.assertEqual(info['delete_timestamp'], '0') if self.__class__ in (TestContainerBrokerBeforeMetadata, TestContainerBrokerBeforeXSync, TestContainerBrokerBeforeSPI): self.assertEqual(info['status_changed_at'], '0') else: self.assertEqual(info['status_changed_at'], Timestamp(start).internal) # delete it delete_timestamp = ts.next() broker.delete_db(delete_timestamp) info, is_deleted = broker.get_info_is_deleted() self.assertEqual(is_deleted, True) # sanity self.assertEqual(is_deleted, broker.is_deleted()) self.assertEqual(info, broker.get_info()) self.assertEqual(info['put_timestamp'], Timestamp(start).internal) self.assert_(Timestamp(info['created_at']) >= start) self.assertEqual(info['delete_timestamp'], delete_timestamp) self.assertEqual(info['status_changed_at'], delete_timestamp) # bring back to life broker.put_object('obj', ts.next(), 0, 'text/plain', 'etag', storage_policy_index=broker.storage_policy_index) info, is_deleted = broker.get_info_is_deleted() self.assertEqual(is_deleted, False) # sanity self.assertEqual(is_deleted, broker.is_deleted()) self.assertEqual(info, broker.get_info()) self.assertEqual(info['put_timestamp'], Timestamp(start).internal) self.assert_(Timestamp(info['created_at']) >= start) self.assertEqual(info['delete_timestamp'], delete_timestamp) self.assertEqual(info['status_changed_at'], delete_timestamp) def test_delete_object(self): # Test ContainerBroker.delete_object broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) broker.put_object('o', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') with broker.get() as conn: self.assertEquals(conn.execute( "SELECT count(*) FROM object " "WHERE deleted = 0").fetchone()[0], 1) self.assertEquals(conn.execute( "SELECT count(*) FROM object " "WHERE deleted = 1").fetchone()[0], 0) sleep(.00001) broker.delete_object('o', Timestamp(time()).internal) with broker.get() as conn: self.assertEquals(conn.execute( "SELECT count(*) FROM object " "WHERE deleted = 0").fetchone()[0], 0) self.assertEquals(conn.execute( "SELECT count(*) FROM object " "WHERE deleted = 1").fetchone()[0], 1) def test_put_object(self): # Test ContainerBroker.put_object broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) # Create initial object timestamp = Timestamp(time()).internal broker.put_object('"{}"', timestamp, 123, 'application/x-test', '5af83e3196bf99f440f31f2e1a6c9afe') with broker.get() as conn: self.assertEquals(conn.execute( "SELECT name FROM object").fetchone()[0], '"{}"') self.assertEquals(conn.execute( "SELECT created_at FROM object").fetchone()[0], timestamp) self.assertEquals(conn.execute( "SELECT size FROM object").fetchone()[0], 123) self.assertEquals(conn.execute( "SELECT content_type FROM object").fetchone()[0], 'application/x-test') self.assertEquals(conn.execute( "SELECT etag FROM object").fetchone()[0], '5af83e3196bf99f440f31f2e1a6c9afe') self.assertEquals(conn.execute( "SELECT deleted FROM object").fetchone()[0], 0) # Reput same event broker.put_object('"{}"', timestamp, 123, 'application/x-test', '5af83e3196bf99f440f31f2e1a6c9afe') with broker.get() as conn: self.assertEquals(conn.execute( "SELECT name FROM object").fetchone()[0], '"{}"') self.assertEquals(conn.execute( "SELECT created_at FROM object").fetchone()[0], timestamp) self.assertEquals(conn.execute( "SELECT size FROM object").fetchone()[0], 123) self.assertEquals(conn.execute( "SELECT content_type FROM object").fetchone()[0], 'application/x-test') self.assertEquals(conn.execute( "SELECT etag FROM object").fetchone()[0], '5af83e3196bf99f440f31f2e1a6c9afe') self.assertEquals(conn.execute( "SELECT deleted FROM object").fetchone()[0], 0) # Put new event sleep(.00001) timestamp = Timestamp(time()).internal broker.put_object('"{}"', timestamp, 124, 'application/x-test', 'aa0749bacbc79ec65fe206943d8fe449') with broker.get() as conn: self.assertEquals(conn.execute( "SELECT name FROM object").fetchone()[0], '"{}"') self.assertEquals(conn.execute( "SELECT created_at FROM object").fetchone()[0], timestamp) self.assertEquals(conn.execute( "SELECT size FROM object").fetchone()[0], 124) self.assertEquals(conn.execute( "SELECT content_type FROM object").fetchone()[0], 'application/x-test') self.assertEquals(conn.execute( "SELECT etag FROM object").fetchone()[0], 'aa0749bacbc79ec65fe206943d8fe449') self.assertEquals(conn.execute( "SELECT deleted FROM object").fetchone()[0], 0) # Put old event otimestamp = Timestamp(float(Timestamp(timestamp)) - 1).internal broker.put_object('"{}"', otimestamp, 124, 'application/x-test', 'aa0749bacbc79ec65fe206943d8fe449') with broker.get() as conn: self.assertEquals(conn.execute( "SELECT name FROM object").fetchone()[0], '"{}"') self.assertEquals(conn.execute( "SELECT created_at FROM object").fetchone()[0], timestamp) self.assertEquals(conn.execute( "SELECT size FROM object").fetchone()[0], 124) self.assertEquals(conn.execute( "SELECT content_type FROM object").fetchone()[0], 'application/x-test') self.assertEquals(conn.execute( "SELECT etag FROM object").fetchone()[0], 'aa0749bacbc79ec65fe206943d8fe449') self.assertEquals(conn.execute( "SELECT deleted FROM object").fetchone()[0], 0) # Put old delete event dtimestamp = Timestamp(float(Timestamp(timestamp)) - 1).internal broker.put_object('"{}"', dtimestamp, 0, '', '', deleted=1) with broker.get() as conn: self.assertEquals(conn.execute( "SELECT name FROM object").fetchone()[0], '"{}"') self.assertEquals(conn.execute( "SELECT created_at FROM object").fetchone()[0], timestamp) self.assertEquals(conn.execute( "SELECT size FROM object").fetchone()[0], 124) self.assertEquals(conn.execute( "SELECT content_type FROM object").fetchone()[0], 'application/x-test') self.assertEquals(conn.execute( "SELECT etag FROM object").fetchone()[0], 'aa0749bacbc79ec65fe206943d8fe449') self.assertEquals(conn.execute( "SELECT deleted FROM object").fetchone()[0], 0) # Put new delete event sleep(.00001) timestamp = Timestamp(time()).internal broker.put_object('"{}"', timestamp, 0, '', '', deleted=1) with broker.get() as conn: self.assertEquals(conn.execute( "SELECT name FROM object").fetchone()[0], '"{}"') self.assertEquals(conn.execute( "SELECT created_at FROM object").fetchone()[0], timestamp) self.assertEquals(conn.execute( "SELECT deleted FROM object").fetchone()[0], 1) # Put new event sleep(.00001) timestamp = Timestamp(time()).internal broker.put_object('"{}"', timestamp, 123, 'application/x-test', '5af83e3196bf99f440f31f2e1a6c9afe') with broker.get() as conn: self.assertEquals(conn.execute( "SELECT name FROM object").fetchone()[0], '"{}"') self.assertEquals(conn.execute( "SELECT created_at FROM object").fetchone()[0], timestamp) self.assertEquals(conn.execute( "SELECT size FROM object").fetchone()[0], 123) self.assertEquals(conn.execute( "SELECT content_type FROM object").fetchone()[0], 'application/x-test') self.assertEquals(conn.execute( "SELECT etag FROM object").fetchone()[0], '5af83e3196bf99f440f31f2e1a6c9afe') self.assertEquals(conn.execute( "SELECT deleted FROM object").fetchone()[0], 0) # We'll use this later sleep(.0001) in_between_timestamp = Timestamp(time()).internal # New post event sleep(.0001) previous_timestamp = timestamp timestamp = Timestamp(time()).internal with broker.get() as conn: self.assertEquals(conn.execute( "SELECT name FROM object").fetchone()[0], '"{}"') self.assertEquals(conn.execute( "SELECT created_at FROM object").fetchone()[0], previous_timestamp) self.assertEquals(conn.execute( "SELECT size FROM object").fetchone()[0], 123) self.assertEquals(conn.execute( "SELECT content_type FROM object").fetchone()[0], 'application/x-test') self.assertEquals(conn.execute( "SELECT etag FROM object").fetchone()[0], '5af83e3196bf99f440f31f2e1a6c9afe') self.assertEquals(conn.execute( "SELECT deleted FROM object").fetchone()[0], 0) # Put event from after last put but before last post timestamp = in_between_timestamp broker.put_object('"{}"', timestamp, 456, 'application/x-test3', '6af83e3196bf99f440f31f2e1a6c9afe') with broker.get() as conn: self.assertEquals(conn.execute( "SELECT name FROM object").fetchone()[0], '"{}"') self.assertEquals(conn.execute( "SELECT created_at FROM object").fetchone()[0], timestamp) self.assertEquals(conn.execute( "SELECT size FROM object").fetchone()[0], 456) self.assertEquals(conn.execute( "SELECT content_type FROM object").fetchone()[0], 'application/x-test3') self.assertEquals(conn.execute( "SELECT etag FROM object").fetchone()[0], '6af83e3196bf99f440f31f2e1a6c9afe') self.assertEquals(conn.execute( "SELECT deleted FROM object").fetchone()[0], 0) @patch_policies def test_put_misplaced_object_does_not_effect_container_stats(self): policy = random.choice(list(POLICIES)) ts = (Timestamp(t).internal for t in itertools.count(int(time()))) broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(ts.next(), policy.idx) # migration tests may not honor policy on initialize if isinstance(self, ContainerBrokerMigrationMixin): real_storage_policy_index = \ broker.get_info()['storage_policy_index'] policy = filter(lambda p: p.idx == real_storage_policy_index, POLICIES)[0] broker.put_object('correct_o', ts.next(), 123, 'text/plain', '5af83e3196bf99f440f31f2e1a6c9afe', storage_policy_index=policy.idx) info = broker.get_info() self.assertEqual(1, info['object_count']) self.assertEqual(123, info['bytes_used']) other_policy = random.choice([p for p in POLICIES if p is not policy]) broker.put_object('wrong_o', ts.next(), 123, 'text/plain', '5af83e3196bf99f440f31f2e1a6c9afe', storage_policy_index=other_policy.idx) self.assertEqual(1, info['object_count']) self.assertEqual(123, info['bytes_used']) @patch_policies def test_has_multiple_policies(self): policy = random.choice(list(POLICIES)) ts = (Timestamp(t).internal for t in itertools.count(int(time()))) broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(ts.next(), policy.idx) # migration tests may not honor policy on initialize if isinstance(self, ContainerBrokerMigrationMixin): real_storage_policy_index = \ broker.get_info()['storage_policy_index'] policy = filter(lambda p: p.idx == real_storage_policy_index, POLICIES)[0] broker.put_object('correct_o', ts.next(), 123, 'text/plain', '5af83e3196bf99f440f31f2e1a6c9afe', storage_policy_index=policy.idx) self.assertFalse(broker.has_multiple_policies()) other_policy = [p for p in POLICIES if p is not policy][0] broker.put_object('wrong_o', ts.next(), 123, 'text/plain', '5af83e3196bf99f440f31f2e1a6c9afe', storage_policy_index=other_policy.idx) self.assert_(broker.has_multiple_policies()) @patch_policies def test_get_policy_info(self): policy = random.choice(list(POLICIES)) ts = (Timestamp(t).internal for t in itertools.count(int(time()))) broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(ts.next(), policy.idx) # migration tests may not honor policy on initialize if isinstance(self, ContainerBrokerMigrationMixin): real_storage_policy_index = \ broker.get_info()['storage_policy_index'] policy = filter(lambda p: p.idx == real_storage_policy_index, POLICIES)[0] policy_stats = broker.get_policy_stats() expected = {policy.idx: {'bytes_used': 0, 'object_count': 0}} self.assertEqual(policy_stats, expected) # add an object broker.put_object('correct_o', ts.next(), 123, 'text/plain', '5af83e3196bf99f440f31f2e1a6c9afe', storage_policy_index=policy.idx) policy_stats = broker.get_policy_stats() expected = {policy.idx: {'bytes_used': 123, 'object_count': 1}} self.assertEqual(policy_stats, expected) # add a misplaced object other_policy = random.choice([p for p in POLICIES if p is not policy]) broker.put_object('wrong_o', ts.next(), 123, 'text/plain', '5af83e3196bf99f440f31f2e1a6c9afe', storage_policy_index=other_policy.idx) policy_stats = broker.get_policy_stats() expected = { policy.idx: {'bytes_used': 123, 'object_count': 1}, other_policy.idx: {'bytes_used': 123, 'object_count': 1}, } self.assertEqual(policy_stats, expected) def test_policy_stat_tracking(self): ts = (Timestamp(t).internal for t in itertools.count(int(time()))) broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(ts.next(), POLICIES.default.idx) stats = defaultdict(dict) iters = 100 for i in range(iters): policy_index = random.randint(0, iters * 0.1) name = 'object-%s' % random.randint(0, iters * 0.1) size = random.randint(0, iters) broker.put_object(name, ts.next(), size, 'text/plain', '5af83e3196bf99f440f31f2e1a6c9afe', storage_policy_index=policy_index) # track the size of the latest timestamp put for each object # in each storage policy stats[policy_index][name] = size policy_stats = broker.get_policy_stats() # if no objects were added for the default policy we still # expect an entry for the default policy in the returned info # because the database was initialized with that storage policy # - but it must be empty. if POLICIES.default.idx not in stats: default_stats = policy_stats.pop(POLICIES.default.idx) expected = {'object_count': 0, 'bytes_used': 0} self.assertEqual(default_stats, expected) self.assertEqual(len(policy_stats), len(stats)) for policy_index, stat in policy_stats.items(): self.assertEqual(stat['object_count'], len(stats[policy_index])) self.assertEqual(stat['bytes_used'], sum(stats[policy_index].values())) def test_get_info(self): # Test ContainerBroker.get_info broker = ContainerBroker(':memory:', account='test1', container='test2') broker.initialize(Timestamp('1').internal, 0) info = broker.get_info() self.assertEquals(info['account'], 'test1') self.assertEquals(info['container'], 'test2') self.assertEquals(info['hash'], '00000000000000000000000000000000') self.assertEqual(info['put_timestamp'], Timestamp(1).internal) self.assertEqual(info['delete_timestamp'], '0') if self.__class__ in (TestContainerBrokerBeforeMetadata, TestContainerBrokerBeforeXSync, TestContainerBrokerBeforeSPI): self.assertEqual(info['status_changed_at'], '0') else: self.assertEqual(info['status_changed_at'], Timestamp(1).internal) info = broker.get_info() self.assertEquals(info['object_count'], 0) self.assertEquals(info['bytes_used'], 0) broker.put_object('o1', Timestamp(time()).internal, 123, 'text/plain', '5af83e3196bf99f440f31f2e1a6c9afe') info = broker.get_info() self.assertEquals(info['object_count'], 1) self.assertEquals(info['bytes_used'], 123) sleep(.00001) broker.put_object('o2', Timestamp(time()).internal, 123, 'text/plain', '5af83e3196bf99f440f31f2e1a6c9afe') info = broker.get_info() self.assertEquals(info['object_count'], 2) self.assertEquals(info['bytes_used'], 246) sleep(.00001) broker.put_object('o2', Timestamp(time()).internal, 1000, 'text/plain', '5af83e3196bf99f440f31f2e1a6c9afe') info = broker.get_info() self.assertEquals(info['object_count'], 2) self.assertEquals(info['bytes_used'], 1123) sleep(.00001) broker.delete_object('o1', Timestamp(time()).internal) info = broker.get_info() self.assertEquals(info['object_count'], 1) self.assertEquals(info['bytes_used'], 1000) sleep(.00001) broker.delete_object('o2', Timestamp(time()).internal) info = broker.get_info() self.assertEquals(info['object_count'], 0) self.assertEquals(info['bytes_used'], 0) info = broker.get_info() self.assertEquals(info['x_container_sync_point1'], -1) self.assertEquals(info['x_container_sync_point2'], -1) def test_set_x_syncs(self): broker = ContainerBroker(':memory:', account='test1', container='test2') broker.initialize(Timestamp('1').internal, 0) info = broker.get_info() self.assertEquals(info['x_container_sync_point1'], -1) self.assertEquals(info['x_container_sync_point2'], -1) broker.set_x_container_sync_points(1, 2) info = broker.get_info() self.assertEquals(info['x_container_sync_point1'], 1) self.assertEquals(info['x_container_sync_point2'], 2) def test_get_report_info(self): broker = ContainerBroker(':memory:', account='test1', container='test2') broker.initialize(Timestamp('1').internal, 0) info = broker.get_info() self.assertEquals(info['account'], 'test1') self.assertEquals(info['container'], 'test2') self.assertEquals(info['object_count'], 0) self.assertEquals(info['bytes_used'], 0) self.assertEquals(info['reported_object_count'], 0) self.assertEquals(info['reported_bytes_used'], 0) broker.put_object('o1', Timestamp(time()).internal, 123, 'text/plain', '5af83e3196bf99f440f31f2e1a6c9afe') info = broker.get_info() self.assertEquals(info['object_count'], 1) self.assertEquals(info['bytes_used'], 123) self.assertEquals(info['reported_object_count'], 0) self.assertEquals(info['reported_bytes_used'], 0) sleep(.00001) broker.put_object('o2', Timestamp(time()).internal, 123, 'text/plain', '5af83e3196bf99f440f31f2e1a6c9afe') info = broker.get_info() self.assertEquals(info['object_count'], 2) self.assertEquals(info['bytes_used'], 246) self.assertEquals(info['reported_object_count'], 0) self.assertEquals(info['reported_bytes_used'], 0) sleep(.00001) broker.put_object('o2', Timestamp(time()).internal, 1000, 'text/plain', '5af83e3196bf99f440f31f2e1a6c9afe') info = broker.get_info() self.assertEquals(info['object_count'], 2) self.assertEquals(info['bytes_used'], 1123) self.assertEquals(info['reported_object_count'], 0) self.assertEquals(info['reported_bytes_used'], 0) put_timestamp = Timestamp(time()).internal sleep(.001) delete_timestamp = Timestamp(time()).internal broker.reported(put_timestamp, delete_timestamp, 2, 1123) info = broker.get_info() self.assertEquals(info['object_count'], 2) self.assertEquals(info['bytes_used'], 1123) self.assertEquals(info['reported_put_timestamp'], put_timestamp) self.assertEquals(info['reported_delete_timestamp'], delete_timestamp) self.assertEquals(info['reported_object_count'], 2) self.assertEquals(info['reported_bytes_used'], 1123) sleep(.00001) broker.delete_object('o1', Timestamp(time()).internal) info = broker.get_info() self.assertEquals(info['object_count'], 1) self.assertEquals(info['bytes_used'], 1000) self.assertEquals(info['reported_object_count'], 2) self.assertEquals(info['reported_bytes_used'], 1123) sleep(.00001) broker.delete_object('o2', Timestamp(time()).internal) info = broker.get_info() self.assertEquals(info['object_count'], 0) self.assertEquals(info['bytes_used'], 0) self.assertEquals(info['reported_object_count'], 2) self.assertEquals(info['reported_bytes_used'], 1123) def test_list_objects_iter(self): # Test ContainerBroker.list_objects_iter broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) for obj1 in xrange(4): for obj2 in xrange(125): broker.put_object('%d/%04d' % (obj1, obj2), Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') for obj in xrange(125): broker.put_object('2/0051/%04d' % obj, Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') for obj in xrange(125): broker.put_object('3/%04d/0049' % obj, Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') listing = broker.list_objects_iter(100, '', None, None, '') self.assertEquals(len(listing), 100) self.assertEquals(listing[0][0], '0/0000') self.assertEquals(listing[-1][0], '0/0099') listing = broker.list_objects_iter(100, '', '0/0050', None, '') self.assertEquals(len(listing), 50) self.assertEquals(listing[0][0], '0/0000') self.assertEquals(listing[-1][0], '0/0049') listing = broker.list_objects_iter(100, '0/0099', None, None, '') self.assertEquals(len(listing), 100) self.assertEquals(listing[0][0], '0/0100') self.assertEquals(listing[-1][0], '1/0074') listing = broker.list_objects_iter(55, '1/0074', None, None, '') self.assertEquals(len(listing), 55) self.assertEquals(listing[0][0], '1/0075') self.assertEquals(listing[-1][0], '2/0004') listing = broker.list_objects_iter(10, '', None, '0/01', '') self.assertEquals(len(listing), 10) self.assertEquals(listing[0][0], '0/0100') self.assertEquals(listing[-1][0], '0/0109') listing = broker.list_objects_iter(10, '', None, '0/', '/') self.assertEquals(len(listing), 10) self.assertEquals(listing[0][0], '0/0000') self.assertEquals(listing[-1][0], '0/0009') # Same as above, but using the path argument. listing = broker.list_objects_iter(10, '', None, None, '', '0') self.assertEquals(len(listing), 10) self.assertEquals(listing[0][0], '0/0000') self.assertEquals(listing[-1][0], '0/0009') listing = broker.list_objects_iter(10, '', None, '', '/') self.assertEquals(len(listing), 4) self.assertEquals([row[0] for row in listing], ['0/', '1/', '2/', '3/']) listing = broker.list_objects_iter(10, '2', None, None, '/') self.assertEquals(len(listing), 2) self.assertEquals([row[0] for row in listing], ['2/', '3/']) listing = broker.list_objects_iter(10, '2/', None, None, '/') self.assertEquals(len(listing), 1) self.assertEquals([row[0] for row in listing], ['3/']) listing = broker.list_objects_iter(10, '2/0050', None, '2/', '/') self.assertEquals(len(listing), 10) self.assertEquals(listing[0][0], '2/0051') self.assertEquals(listing[1][0], '2/0051/') self.assertEquals(listing[2][0], '2/0052') self.assertEquals(listing[-1][0], '2/0059') listing = broker.list_objects_iter(10, '3/0045', None, '3/', '/') self.assertEquals(len(listing), 10) self.assertEquals([row[0] for row in listing], ['3/0045/', '3/0046', '3/0046/', '3/0047', '3/0047/', '3/0048', '3/0048/', '3/0049', '3/0049/', '3/0050']) broker.put_object('3/0049/', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') listing = broker.list_objects_iter(10, '3/0048', None, None, None) self.assertEquals(len(listing), 10) self.assertEquals( [row[0] for row in listing], ['3/0048/0049', '3/0049', '3/0049/', '3/0049/0049', '3/0050', '3/0050/0049', '3/0051', '3/0051/0049', '3/0052', '3/0052/0049']) listing = broker.list_objects_iter(10, '3/0048', None, '3/', '/') self.assertEquals(len(listing), 10) self.assertEquals( [row[0] for row in listing], ['3/0048/', '3/0049', '3/0049/', '3/0050', '3/0050/', '3/0051', '3/0051/', '3/0052', '3/0052/', '3/0053']) listing = broker.list_objects_iter(10, None, None, '3/0049/', '/') self.assertEquals(len(listing), 2) self.assertEquals( [row[0] for row in listing], ['3/0049/', '3/0049/0049']) listing = broker.list_objects_iter(10, None, None, None, None, '3/0049') self.assertEquals(len(listing), 1) self.assertEquals([row[0] for row in listing], ['3/0049/0049']) listing = broker.list_objects_iter(2, None, None, '3/', '/') self.assertEquals(len(listing), 2) self.assertEquals([row[0] for row in listing], ['3/0000', '3/0000/']) listing = broker.list_objects_iter(2, None, None, None, None, '3') self.assertEquals(len(listing), 2) self.assertEquals([row[0] for row in listing], ['3/0000', '3/0001']) def test_list_objects_iter_non_slash(self): # Test ContainerBroker.list_objects_iter using a # delimiter that is not a slash broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) for obj1 in xrange(4): for obj2 in xrange(125): broker.put_object('%d:%04d' % (obj1, obj2), Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') for obj in xrange(125): broker.put_object('2:0051:%04d' % obj, Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') for obj in xrange(125): broker.put_object('3:%04d:0049' % obj, Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') listing = broker.list_objects_iter(100, '', None, None, '') self.assertEquals(len(listing), 100) self.assertEquals(listing[0][0], '0:0000') self.assertEquals(listing[-1][0], '0:0099') listing = broker.list_objects_iter(100, '', '0:0050', None, '') self.assertEquals(len(listing), 50) self.assertEquals(listing[0][0], '0:0000') self.assertEquals(listing[-1][0], '0:0049') listing = broker.list_objects_iter(100, '0:0099', None, None, '') self.assertEquals(len(listing), 100) self.assertEquals(listing[0][0], '0:0100') self.assertEquals(listing[-1][0], '1:0074') listing = broker.list_objects_iter(55, '1:0074', None, None, '') self.assertEquals(len(listing), 55) self.assertEquals(listing[0][0], '1:0075') self.assertEquals(listing[-1][0], '2:0004') listing = broker.list_objects_iter(10, '', None, '0:01', '') self.assertEquals(len(listing), 10) self.assertEquals(listing[0][0], '0:0100') self.assertEquals(listing[-1][0], '0:0109') listing = broker.list_objects_iter(10, '', None, '0:', ':') self.assertEquals(len(listing), 10) self.assertEquals(listing[0][0], '0:0000') self.assertEquals(listing[-1][0], '0:0009') # Same as above, but using the path argument, so nothing should be # returned since path uses a '/' as a delimiter. listing = broker.list_objects_iter(10, '', None, None, '', '0') self.assertEquals(len(listing), 0) listing = broker.list_objects_iter(10, '', None, '', ':') self.assertEquals(len(listing), 4) self.assertEquals([row[0] for row in listing], ['0:', '1:', '2:', '3:']) listing = broker.list_objects_iter(10, '2', None, None, ':') self.assertEquals(len(listing), 2) self.assertEquals([row[0] for row in listing], ['2:', '3:']) listing = broker.list_objects_iter(10, '2:', None, None, ':') self.assertEquals(len(listing), 1) self.assertEquals([row[0] for row in listing], ['3:']) listing = broker.list_objects_iter(10, '2:0050', None, '2:', ':') self.assertEquals(len(listing), 10) self.assertEquals(listing[0][0], '2:0051') self.assertEquals(listing[1][0], '2:0051:') self.assertEquals(listing[2][0], '2:0052') self.assertEquals(listing[-1][0], '2:0059') listing = broker.list_objects_iter(10, '3:0045', None, '3:', ':') self.assertEquals(len(listing), 10) self.assertEquals([row[0] for row in listing], ['3:0045:', '3:0046', '3:0046:', '3:0047', '3:0047:', '3:0048', '3:0048:', '3:0049', '3:0049:', '3:0050']) broker.put_object('3:0049:', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') listing = broker.list_objects_iter(10, '3:0048', None, None, None) self.assertEquals(len(listing), 10) self.assertEquals( [row[0] for row in listing], ['3:0048:0049', '3:0049', '3:0049:', '3:0049:0049', '3:0050', '3:0050:0049', '3:0051', '3:0051:0049', '3:0052', '3:0052:0049']) listing = broker.list_objects_iter(10, '3:0048', None, '3:', ':') self.assertEquals(len(listing), 10) self.assertEquals( [row[0] for row in listing], ['3:0048:', '3:0049', '3:0049:', '3:0050', '3:0050:', '3:0051', '3:0051:', '3:0052', '3:0052:', '3:0053']) listing = broker.list_objects_iter(10, None, None, '3:0049:', ':') self.assertEquals(len(listing), 2) self.assertEquals( [row[0] for row in listing], ['3:0049:', '3:0049:0049']) # Same as above, but using the path argument, so nothing should be # returned since path uses a '/' as a delimiter. listing = broker.list_objects_iter(10, None, None, None, None, '3:0049') self.assertEquals(len(listing), 0) listing = broker.list_objects_iter(2, None, None, '3:', ':') self.assertEquals(len(listing), 2) self.assertEquals([row[0] for row in listing], ['3:0000', '3:0000:']) listing = broker.list_objects_iter(2, None, None, None, None, '3') self.assertEquals(len(listing), 0) def test_list_objects_iter_prefix_delim(self): # Test ContainerBroker.list_objects_iter broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) broker.put_object( '/pets/dogs/1', Timestamp(0).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object( '/pets/dogs/2', Timestamp(0).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object( '/pets/fish/a', Timestamp(0).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object( '/pets/fish/b', Timestamp(0).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object( '/pets/fish_info.txt', Timestamp(0).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object( '/snakes', Timestamp(0).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') #def list_objects_iter(self, limit, marker, prefix, delimiter, # path=None, format=None): listing = broker.list_objects_iter(100, None, None, '/pets/f', '/') self.assertEquals([row[0] for row in listing], ['/pets/fish/', '/pets/fish_info.txt']) listing = broker.list_objects_iter(100, None, None, '/pets/fish', '/') self.assertEquals([row[0] for row in listing], ['/pets/fish/', '/pets/fish_info.txt']) listing = broker.list_objects_iter(100, None, None, '/pets/fish/', '/') self.assertEquals([row[0] for row in listing], ['/pets/fish/a', '/pets/fish/b']) def test_double_check_trailing_delimiter(self): # Test ContainerBroker.list_objects_iter for a # container that has an odd file with a trailing delimiter broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) broker.put_object('a', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('a/', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('a/a', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('a/a/a', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('a/a/b', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('a/b', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('b', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('b/a', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('b/b', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('c', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('a/0', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('0', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('0/', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('00', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('0/0', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('0/00', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('0/1', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('0/1/', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('0/1/0', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('1', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('1/', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('1/0', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') listing = broker.list_objects_iter(25, None, None, None, None) self.assertEquals(len(listing), 22) self.assertEquals( [row[0] for row in listing], ['0', '0/', '0/0', '0/00', '0/1', '0/1/', '0/1/0', '00', '1', '1/', '1/0', 'a', 'a/', 'a/0', 'a/a', 'a/a/a', 'a/a/b', 'a/b', 'b', 'b/a', 'b/b', 'c']) listing = broker.list_objects_iter(25, None, None, '', '/') self.assertEquals(len(listing), 10) self.assertEquals( [row[0] for row in listing], ['0', '0/', '00', '1', '1/', 'a', 'a/', 'b', 'b/', 'c']) listing = broker.list_objects_iter(25, None, None, 'a/', '/') self.assertEquals(len(listing), 5) self.assertEquals( [row[0] for row in listing], ['a/', 'a/0', 'a/a', 'a/a/', 'a/b']) listing = broker.list_objects_iter(25, None, None, '0/', '/') self.assertEquals(len(listing), 5) self.assertEquals( [row[0] for row in listing], ['0/', '0/0', '0/00', '0/1', '0/1/']) listing = broker.list_objects_iter(25, None, None, '0/1/', '/') self.assertEquals(len(listing), 2) self.assertEquals( [row[0] for row in listing], ['0/1/', '0/1/0']) listing = broker.list_objects_iter(25, None, None, 'b/', '/') self.assertEquals(len(listing), 2) self.assertEquals([row[0] for row in listing], ['b/a', 'b/b']) def test_double_check_trailing_delimiter_non_slash(self): # Test ContainerBroker.list_objects_iter for a # container that has an odd file with a trailing delimiter broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) broker.put_object('a', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('a:', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('a:a', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('a:a:a', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('a:a:b', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('a:b', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('b', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('b:a', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('b:b', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('c', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('a:0', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('0', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('0:', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('00', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('0:0', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('0:00', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('0:1', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('0:1:', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('0:1:0', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('1', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('1:', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('1:0', Timestamp(time()).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') listing = broker.list_objects_iter(25, None, None, None, None) self.assertEquals(len(listing), 22) self.assertEquals( [row[0] for row in listing], ['0', '00', '0:', '0:0', '0:00', '0:1', '0:1:', '0:1:0', '1', '1:', '1:0', 'a', 'a:', 'a:0', 'a:a', 'a:a:a', 'a:a:b', 'a:b', 'b', 'b:a', 'b:b', 'c']) listing = broker.list_objects_iter(25, None, None, '', ':') self.assertEquals(len(listing), 10) self.assertEquals( [row[0] for row in listing], ['0', '00', '0:', '1', '1:', 'a', 'a:', 'b', 'b:', 'c']) listing = broker.list_objects_iter(25, None, None, 'a:', ':') self.assertEquals(len(listing), 5) self.assertEquals( [row[0] for row in listing], ['a:', 'a:0', 'a:a', 'a:a:', 'a:b']) listing = broker.list_objects_iter(25, None, None, '0:', ':') self.assertEquals(len(listing), 5) self.assertEquals( [row[0] for row in listing], ['0:', '0:0', '0:00', '0:1', '0:1:']) listing = broker.list_objects_iter(25, None, None, '0:1:', ':') self.assertEquals(len(listing), 2) self.assertEquals( [row[0] for row in listing], ['0:1:', '0:1:0']) listing = broker.list_objects_iter(25, None, None, 'b:', ':') self.assertEquals(len(listing), 2) self.assertEquals([row[0] for row in listing], ['b:a', 'b:b']) def test_chexor(self): broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) broker.put_object('a', Timestamp(1).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker.put_object('b', Timestamp(2).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') hasha = hashlib.md5('%s-%s' % ('a', Timestamp(1).internal)).digest() hashb = hashlib.md5('%s-%s' % ('b', Timestamp(2).internal)).digest() hashc = ''.join( ('%02x' % (ord(a) ^ ord(b)) for a, b in zip(hasha, hashb))) self.assertEquals(broker.get_info()['hash'], hashc) broker.put_object('b', Timestamp(3).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') hashb = hashlib.md5('%s-%s' % ('b', Timestamp(3).internal)).digest() hashc = ''.join( ('%02x' % (ord(a) ^ ord(b)) for a, b in zip(hasha, hashb))) self.assertEquals(broker.get_info()['hash'], hashc) def test_newid(self): # test DatabaseBroker.newid broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) id = broker.get_info()['id'] broker.newid('someid') self.assertNotEquals(id, broker.get_info()['id']) def test_get_items_since(self): # test DatabaseBroker.get_items_since broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) broker.put_object('a', Timestamp(1).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') max_row = broker.get_replication_info()['max_row'] broker.put_object('b', Timestamp(2).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') items = broker.get_items_since(max_row, 1000) self.assertEquals(len(items), 1) self.assertEquals(items[0]['name'], 'b') def test_sync_merging(self): # exercise the DatabaseBroker sync functions a bit broker1 = ContainerBroker(':memory:', account='a', container='c') broker1.initialize(Timestamp('1').internal, 0) broker2 = ContainerBroker(':memory:', account='a', container='c') broker2.initialize(Timestamp('1').internal, 0) self.assertEquals(broker2.get_sync('12345'), -1) broker1.merge_syncs([{'sync_point': 3, 'remote_id': '12345'}]) broker2.merge_syncs(broker1.get_syncs()) self.assertEquals(broker2.get_sync('12345'), 3) def test_merge_items(self): broker1 = ContainerBroker(':memory:', account='a', container='c') broker1.initialize(Timestamp('1').internal, 0) broker2 = ContainerBroker(':memory:', account='a', container='c') broker2.initialize(Timestamp('1').internal, 0) broker1.put_object('a', Timestamp(1).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker1.put_object('b', Timestamp(2).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') id = broker1.get_info()['id'] broker2.merge_items(broker1.get_items_since( broker2.get_sync(id), 1000), id) items = broker2.get_items_since(-1, 1000) self.assertEquals(len(items), 2) self.assertEquals(['a', 'b'], sorted([rec['name'] for rec in items])) broker1.put_object('c', Timestamp(3).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker2.merge_items(broker1.get_items_since( broker2.get_sync(id), 1000), id) items = broker2.get_items_since(-1, 1000) self.assertEquals(len(items), 3) self.assertEquals(['a', 'b', 'c'], sorted([rec['name'] for rec in items])) def test_merge_items_overwrite_unicode(self): # test DatabaseBroker.merge_items snowman = u'\N{SNOWMAN}'.encode('utf-8') broker1 = ContainerBroker(':memory:', account='a', container='c') broker1.initialize(Timestamp('1').internal, 0) id = broker1.get_info()['id'] broker2 = ContainerBroker(':memory:', account='a', container='c') broker2.initialize(Timestamp('1').internal, 0) broker1.put_object(snowman, Timestamp(2).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker1.put_object('b', Timestamp(3).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker2.merge_items(json.loads(json.dumps(broker1.get_items_since( broker2.get_sync(id), 1000))), id) broker1.put_object(snowman, Timestamp(4).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker2.merge_items(json.loads(json.dumps(broker1.get_items_since( broker2.get_sync(id), 1000))), id) items = broker2.get_items_since(-1, 1000) self.assertEquals(['b', snowman], sorted([rec['name'] for rec in items])) for rec in items: if rec['name'] == snowman: self.assertEquals(rec['created_at'], Timestamp(4).internal) if rec['name'] == 'b': self.assertEquals(rec['created_at'], Timestamp(3).internal) def test_merge_items_overwrite(self): # test DatabaseBroker.merge_items broker1 = ContainerBroker(':memory:', account='a', container='c') broker1.initialize(Timestamp('1').internal, 0) id = broker1.get_info()['id'] broker2 = ContainerBroker(':memory:', account='a', container='c') broker2.initialize(Timestamp('1').internal, 0) broker1.put_object('a', Timestamp(2).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker1.put_object('b', Timestamp(3).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker2.merge_items(broker1.get_items_since( broker2.get_sync(id), 1000), id) broker1.put_object('a', Timestamp(4).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker2.merge_items(broker1.get_items_since( broker2.get_sync(id), 1000), id) items = broker2.get_items_since(-1, 1000) self.assertEquals(['a', 'b'], sorted([rec['name'] for rec in items])) for rec in items: if rec['name'] == 'a': self.assertEquals(rec['created_at'], Timestamp(4).internal) if rec['name'] == 'b': self.assertEquals(rec['created_at'], Timestamp(3).internal) def test_merge_items_post_overwrite_out_of_order(self): # test DatabaseBroker.merge_items broker1 = ContainerBroker(':memory:', account='a', container='c') broker1.initialize(Timestamp('1').internal, 0) id = broker1.get_info()['id'] broker2 = ContainerBroker(':memory:', account='a', container='c') broker2.initialize(Timestamp('1').internal, 0) broker1.put_object('a', Timestamp(2).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker1.put_object('b', Timestamp(3).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker2.merge_items(broker1.get_items_since( broker2.get_sync(id), 1000), id) broker1.put_object('a', Timestamp(4).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker2.merge_items(broker1.get_items_since( broker2.get_sync(id), 1000), id) items = broker2.get_items_since(-1, 1000) self.assertEquals(['a', 'b'], sorted([rec['name'] for rec in items])) for rec in items: if rec['name'] == 'a': self.assertEquals(rec['created_at'], Timestamp(4).internal) if rec['name'] == 'b': self.assertEquals(rec['created_at'], Timestamp(3).internal) self.assertEquals(rec['content_type'], 'text/plain') items = broker2.get_items_since(-1, 1000) self.assertEquals(['a', 'b'], sorted([rec['name'] for rec in items])) for rec in items: if rec['name'] == 'a': self.assertEquals(rec['created_at'], Timestamp(4).internal) if rec['name'] == 'b': self.assertEquals(rec['created_at'], Timestamp(3).internal) broker1.put_object('b', Timestamp(5).internal, 0, 'text/plain', 'd41d8cd98f00b204e9800998ecf8427e') broker2.merge_items(broker1.get_items_since( broker2.get_sync(id), 1000), id) items = broker2.get_items_since(-1, 1000) self.assertEquals(['a', 'b'], sorted([rec['name'] for rec in items])) for rec in items: if rec['name'] == 'a': self.assertEquals(rec['created_at'], Timestamp(4).internal) if rec['name'] == 'b': self.assertEquals(rec['created_at'], Timestamp(5).internal) self.assertEquals(rec['content_type'], 'text/plain') def test_set_storage_policy_index(self): ts = (Timestamp(t).internal for t in itertools.count(int(time()))) broker = ContainerBroker(':memory:', account='test_account', container='test_container') timestamp = ts.next() broker.initialize(timestamp, 0) info = broker.get_info() self.assertEqual(0, info['storage_policy_index']) # sanity check self.assertEqual(0, info['object_count']) self.assertEqual(0, info['bytes_used']) if self.__class__ in (TestContainerBrokerBeforeMetadata, TestContainerBrokerBeforeXSync, TestContainerBrokerBeforeSPI): self.assertEqual(info['status_changed_at'], '0') else: self.assertEqual(timestamp, info['status_changed_at']) expected = {0: {'object_count': 0, 'bytes_used': 0}} self.assertEqual(expected, broker.get_policy_stats()) timestamp = ts.next() broker.set_storage_policy_index(111, timestamp) self.assertEqual(broker.storage_policy_index, 111) info = broker.get_info() self.assertEqual(111, info['storage_policy_index']) self.assertEqual(0, info['object_count']) self.assertEqual(0, info['bytes_used']) self.assertEqual(timestamp, info['status_changed_at']) expected[111] = {'object_count': 0, 'bytes_used': 0} self.assertEqual(expected, broker.get_policy_stats()) timestamp = ts.next() broker.set_storage_policy_index(222, timestamp) self.assertEqual(broker.storage_policy_index, 222) info = broker.get_info() self.assertEqual(222, info['storage_policy_index']) self.assertEqual(0, info['object_count']) self.assertEqual(0, info['bytes_used']) self.assertEqual(timestamp, info['status_changed_at']) expected[222] = {'object_count': 0, 'bytes_used': 0} self.assertEqual(expected, broker.get_policy_stats()) old_timestamp, timestamp = timestamp, ts.next() broker.set_storage_policy_index(222, timestamp) # it's idempotent info = broker.get_info() self.assertEqual(222, info['storage_policy_index']) self.assertEqual(0, info['object_count']) self.assertEqual(0, info['bytes_used']) self.assertEqual(old_timestamp, info['status_changed_at']) self.assertEqual(expected, broker.get_policy_stats()) def test_set_storage_policy_index_empty(self): # Putting an object may trigger migrations, so test with a # never-had-an-object container to make sure we handle it broker = ContainerBroker(':memory:', account='test_account', container='test_container') broker.initialize(Timestamp('1').internal, 0) info = broker.get_info() self.assertEqual(0, info['storage_policy_index']) broker.set_storage_policy_index(2) info = broker.get_info() self.assertEqual(2, info['storage_policy_index']) def test_reconciler_sync(self): broker = ContainerBroker(':memory:', account='test_account', container='test_container') broker.initialize(Timestamp('1').internal, 0) self.assertEquals(-1, broker.get_reconciler_sync()) broker.update_reconciler_sync(10) self.assertEquals(10, broker.get_reconciler_sync()) @with_tempdir def test_legacy_pending_files(self, tempdir): ts = (Timestamp(t).internal for t in itertools.count(int(time()))) db_path = os.path.join(tempdir, 'container.db') # first init an acct DB without the policy_stat table present broker = ContainerBroker(db_path, account='a', container='c') broker.initialize(ts.next(), 1) # manually make some pending entries lacking storage_policy_index with open(broker.pending_file, 'a+b') as fp: for i in range(10): name, timestamp, size, content_type, etag, deleted = ( 'o%s' % i, ts.next(), 0, 'c', 'e', 0) fp.write(':') fp.write(pickle.dumps( (name, timestamp, size, content_type, etag, deleted), protocol=2).encode('base64')) fp.flush() # use put_object to append some more entries with different # values for storage_policy_index for i in range(10, 30): name = 'o%s' % i if i < 20: size = 1 storage_policy_index = 0 else: size = 2 storage_policy_index = 1 broker.put_object(name, ts.next(), size, 'c', 'e', 0, storage_policy_index=storage_policy_index) broker._commit_puts_stale_ok() # 10 objects with 0 bytes each in the legacy pending entries # 10 objects with 1 bytes each in storage policy 0 # 10 objects with 2 bytes each in storage policy 1 expected = { 0: {'object_count': 20, 'bytes_used': 10}, 1: {'object_count': 10, 'bytes_used': 20}, } self.assertEqual(broker.get_policy_stats(), expected) class TestCommonContainerBroker(TestExampleBroker): broker_class = ContainerBroker def setUp(self): super(TestCommonContainerBroker, self).setUp() self.policy = random.choice(list(POLICIES)) def put_item(self, broker, timestamp): broker.put_object('test', timestamp, 0, 'text/plain', 'x', storage_policy_index=int(self.policy)) def delete_item(self, broker, timestamp): broker.delete_object('test', timestamp, storage_policy_index=int(self.policy)) class ContainerBrokerMigrationMixin(object): """ Mixin for running ContainerBroker against databases created with older schemas. """ def setUp(self): self._imported_create_object_table = \ ContainerBroker.create_object_table ContainerBroker.create_object_table = \ prespi_create_object_table self._imported_create_container_info_table = \ ContainerBroker.create_container_info_table ContainerBroker.create_container_info_table = \ premetadata_create_container_info_table self._imported_create_policy_stat_table = \ ContainerBroker.create_policy_stat_table ContainerBroker.create_policy_stat_table = lambda *args: None @classmethod @contextmanager def old_broker(cls): cls.runTest = lambda *a, **k: None case = cls() case.setUp() try: yield ContainerBroker finally: case.tearDown() def tearDown(self): ContainerBroker.create_container_info_table = \ self._imported_create_container_info_table ContainerBroker.create_object_table = \ self._imported_create_object_table ContainerBroker.create_policy_stat_table = \ self._imported_create_policy_stat_table def premetadata_create_container_info_table(self, conn, put_timestamp, _spi=None): """ Copied from ContainerBroker before the metadata column was added; used for testing with TestContainerBrokerBeforeMetadata. Create the container_stat table which is specific to the container DB. :param conn: DB connection object :param put_timestamp: put timestamp """ if put_timestamp is None: put_timestamp = Timestamp(0).internal conn.executescript(''' CREATE TABLE container_stat ( account TEXT, container TEXT, created_at TEXT, put_timestamp TEXT DEFAULT '0', delete_timestamp TEXT DEFAULT '0', object_count INTEGER, bytes_used INTEGER, reported_put_timestamp TEXT DEFAULT '0', reported_delete_timestamp TEXT DEFAULT '0', reported_object_count INTEGER DEFAULT 0, reported_bytes_used INTEGER DEFAULT 0, hash TEXT default '00000000000000000000000000000000', id TEXT, status TEXT DEFAULT '', status_changed_at TEXT DEFAULT '0' ); INSERT INTO container_stat (object_count, bytes_used) VALUES (0, 0); ''') conn.execute(''' UPDATE container_stat SET account = ?, container = ?, created_at = ?, id = ?, put_timestamp = ? ''', (self.account, self.container, Timestamp(time()).internal, str(uuid4()), put_timestamp)) class TestContainerBrokerBeforeMetadata(ContainerBrokerMigrationMixin, TestContainerBroker): """ Tests for ContainerBroker against databases created before the metadata column was added. """ def setUp(self): super(TestContainerBrokerBeforeMetadata, self).setUp() broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) exc = None with broker.get() as conn: try: conn.execute('SELECT metadata FROM container_stat') except BaseException as err: exc = err self.assert_('no such column: metadata' in str(exc)) def tearDown(self): super(TestContainerBrokerBeforeMetadata, self).tearDown() broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) with broker.get() as conn: conn.execute('SELECT metadata FROM container_stat') def prexsync_create_container_info_table(self, conn, put_timestamp, _spi=None): """ Copied from ContainerBroker before the x_container_sync_point[12] columns were added; used for testing with TestContainerBrokerBeforeXSync. Create the container_stat table which is specific to the container DB. :param conn: DB connection object :param put_timestamp: put timestamp """ if put_timestamp is None: put_timestamp = Timestamp(0).internal conn.executescript(""" CREATE TABLE container_stat ( account TEXT, container TEXT, created_at TEXT, put_timestamp TEXT DEFAULT '0', delete_timestamp TEXT DEFAULT '0', object_count INTEGER, bytes_used INTEGER, reported_put_timestamp TEXT DEFAULT '0', reported_delete_timestamp TEXT DEFAULT '0', reported_object_count INTEGER DEFAULT 0, reported_bytes_used INTEGER DEFAULT 0, hash TEXT default '00000000000000000000000000000000', id TEXT, status TEXT DEFAULT '', status_changed_at TEXT DEFAULT '0', metadata TEXT DEFAULT '' ); INSERT INTO container_stat (object_count, bytes_used) VALUES (0, 0); """) conn.execute(''' UPDATE container_stat SET account = ?, container = ?, created_at = ?, id = ?, put_timestamp = ? ''', (self.account, self.container, Timestamp(time()).internal, str(uuid4()), put_timestamp)) class TestContainerBrokerBeforeXSync(ContainerBrokerMigrationMixin, TestContainerBroker): """ Tests for ContainerBroker against databases created before the x_container_sync_point[12] columns were added. """ def setUp(self): super(TestContainerBrokerBeforeXSync, self).setUp() ContainerBroker.create_container_info_table = \ prexsync_create_container_info_table broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) exc = None with broker.get() as conn: try: conn.execute('''SELECT x_container_sync_point1 FROM container_stat''') except BaseException as err: exc = err self.assert_('no such column: x_container_sync_point1' in str(exc)) def tearDown(self): super(TestContainerBrokerBeforeXSync, self).tearDown() broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) with broker.get() as conn: conn.execute('SELECT x_container_sync_point1 FROM container_stat') def prespi_create_object_table(self, conn, *args, **kwargs): conn.executescript(""" CREATE TABLE object ( ROWID INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT, created_at TEXT, size INTEGER, content_type TEXT, etag TEXT, deleted INTEGER DEFAULT 0 ); CREATE INDEX ix_object_deleted_name ON object (deleted, name); CREATE TRIGGER object_insert AFTER INSERT ON object BEGIN UPDATE container_stat SET object_count = object_count + (1 - new.deleted), bytes_used = bytes_used + new.size, hash = chexor(hash, new.name, new.created_at); END; CREATE TRIGGER object_update BEFORE UPDATE ON object BEGIN SELECT RAISE(FAIL, 'UPDATE not allowed; DELETE and INSERT'); END; CREATE TRIGGER object_delete AFTER DELETE ON object BEGIN UPDATE container_stat SET object_count = object_count - (1 - old.deleted), bytes_used = bytes_used - old.size, hash = chexor(hash, old.name, old.created_at); END; """) def prespi_create_container_info_table(self, conn, put_timestamp, _spi=None): """ Copied from ContainerBroker before the storage_policy_index column was added; used for testing with TestContainerBrokerBeforeSPI. Create the container_stat table which is specific to the container DB. :param conn: DB connection object :param put_timestamp: put timestamp """ if put_timestamp is None: put_timestamp = Timestamp(0).internal conn.executescript(""" CREATE TABLE container_stat ( account TEXT, container TEXT, created_at TEXT, put_timestamp TEXT DEFAULT '0', delete_timestamp TEXT DEFAULT '0', object_count INTEGER, bytes_used INTEGER, reported_put_timestamp TEXT DEFAULT '0', reported_delete_timestamp TEXT DEFAULT '0', reported_object_count INTEGER DEFAULT 0, reported_bytes_used INTEGER DEFAULT 0, hash TEXT default '00000000000000000000000000000000', id TEXT, status TEXT DEFAULT '', status_changed_at TEXT DEFAULT '0', metadata TEXT DEFAULT '', x_container_sync_point1 INTEGER DEFAULT -1, x_container_sync_point2 INTEGER DEFAULT -1 ); INSERT INTO container_stat (object_count, bytes_used) VALUES (0, 0); """) conn.execute(''' UPDATE container_stat SET account = ?, container = ?, created_at = ?, id = ?, put_timestamp = ? ''', (self.account, self.container, Timestamp(time()).internal, str(uuid4()), put_timestamp)) class TestContainerBrokerBeforeSPI(ContainerBrokerMigrationMixin, TestContainerBroker): """ Tests for ContainerBroker against databases created before the storage_policy_index column was added. """ def setUp(self): super(TestContainerBrokerBeforeSPI, self).setUp() ContainerBroker.create_container_info_table = \ prespi_create_container_info_table broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) exc = None with broker.get() as conn: try: conn.execute('''SELECT storage_policy_index FROM container_stat''') except BaseException as err: exc = err self.assert_('no such column: storage_policy_index' in str(exc)) def tearDown(self): super(TestContainerBrokerBeforeSPI, self).tearDown() broker = ContainerBroker(':memory:', account='a', container='c') broker.initialize(Timestamp('1').internal, 0) with broker.get() as conn: conn.execute('SELECT storage_policy_index FROM container_stat') @patch_policies @with_tempdir def test_object_table_migration(self, tempdir): db_path = os.path.join(tempdir, 'container.db') # initialize an un-migrated database broker = ContainerBroker(db_path, account='a', container='c') put_timestamp = Timestamp(int(time())).internal broker.initialize(put_timestamp, None) with broker.get() as conn: try: conn.execute(''' SELECT storage_policy_index FROM object ''').fetchone()[0] except sqlite3.OperationalError as err: # confirm that the table doesn't have this column self.assert_('no such column: storage_policy_index' in str(err)) else: self.fail('broker did not raise sqlite3.OperationalError ' 'trying to select from storage_policy_index ' 'from object table!') # manually insert an existing row to avoid automatic migration obj_put_timestamp = Timestamp(time()).internal with broker.get() as conn: conn.execute(''' INSERT INTO object (name, created_at, size, content_type, etag, deleted) VALUES (?, ?, ?, ?, ?, ?) ''', ('test_name', obj_put_timestamp, 123, 'text/plain', '8f4c680e75ca4c81dc1917ddab0a0b5c', 0)) conn.commit() # make sure we can iter objects without performing migration for o in broker.list_objects_iter(1, None, None, None, None): self.assertEqual(o, ('test_name', obj_put_timestamp, 123, 'text/plain', '8f4c680e75ca4c81dc1917ddab0a0b5c')) # get_info info = broker.get_info() expected = { 'account': 'a', 'container': 'c', 'put_timestamp': put_timestamp, 'delete_timestamp': '0', 'status_changed_at': '0', 'bytes_used': 123, 'object_count': 1, 'reported_put_timestamp': '0', 'reported_delete_timestamp': '0', 'reported_object_count': 0, 'reported_bytes_used': 0, 'x_container_sync_point1': -1, 'x_container_sync_point2': -1, 'storage_policy_index': 0, } for k, v in expected.items(): self.assertEqual(info[k], v, 'The value for %s was %r not %r' % ( k, info[k], v)) self.assert_(Timestamp(info['created_at']) > Timestamp(put_timestamp)) self.assertNotEqual(int(info['hash'], 16), 0) orig_hash = info['hash'] # get_replication_info info = broker.get_replication_info() # translate object count for replicators expected['count'] = expected.pop('object_count') for k, v in expected.items(): self.assertEqual(info[k], v) self.assert_(Timestamp(info['created_at']) > Timestamp(put_timestamp)) self.assertEqual(info['hash'], orig_hash) self.assertEqual(info['max_row'], 1) self.assertEqual(info['metadata'], '') # get_policy_stats info = broker.get_policy_stats() expected = { 0: {'bytes_used': 123, 'object_count': 1} } self.assertEqual(info, expected) # empty & is_deleted self.assertEqual(broker.empty(), False) self.assertEqual(broker.is_deleted(), False) # no migrations have occurred yet # container_stat table with broker.get() as conn: try: conn.execute(''' SELECT storage_policy_index FROM container_stat ''').fetchone()[0] except sqlite3.OperationalError as err: # confirm that the table doesn't have this column self.assert_('no such column: storage_policy_index' in str(err)) else: self.fail('broker did not raise sqlite3.OperationalError ' 'trying to select from storage_policy_index ' 'from container_stat table!') # object table with broker.get() as conn: try: conn.execute(''' SELECT storage_policy_index FROM object ''').fetchone()[0] except sqlite3.OperationalError as err: # confirm that the table doesn't have this column self.assert_('no such column: storage_policy_index' in str(err)) else: self.fail('broker did not raise sqlite3.OperationalError ' 'trying to select from storage_policy_index ' 'from object table!') # policy_stat table with broker.get() as conn: try: conn.execute(''' SELECT storage_policy_index FROM policy_stat ''').fetchone()[0] except sqlite3.OperationalError as err: # confirm that the table does not exist yet self.assert_('no such table: policy_stat' in str(err)) else: self.fail('broker did not raise sqlite3.OperationalError ' 'trying to select from storage_policy_index ' 'from policy_stat table!') # now do a PUT with a different value for storage_policy_index # which will update the DB schema as well as update policy_stats # for legacy objects in the DB (those without an SPI) second_object_put_timestamp = Timestamp(time()).internal other_policy = [p for p in POLICIES if p.idx != 0][0] broker.put_object('test_second', second_object_put_timestamp, 456, 'text/plain', 'cbac50c175793513fa3c581551c876ab', storage_policy_index=other_policy.idx) broker._commit_puts_stale_ok() # we are fully migrated and both objects have their # storage_policy_index with broker.get() as conn: storage_policy_index = conn.execute(''' SELECT storage_policy_index FROM container_stat ''').fetchone()[0] self.assertEqual(storage_policy_index, 0) rows = conn.execute(''' SELECT name, storage_policy_index FROM object ''').fetchall() for row in rows: if row[0] == 'test_name': self.assertEqual(row[1], 0) else: self.assertEqual(row[1], other_policy.idx) # and all stats tracking is in place stats = broker.get_policy_stats() self.assertEqual(len(stats), 2) self.assertEqual(stats[0]['object_count'], 1) self.assertEqual(stats[0]['bytes_used'], 123) self.assertEqual(stats[other_policy.idx]['object_count'], 1) self.assertEqual(stats[other_policy.idx]['bytes_used'], 456) # get info still reports on the legacy storage policy info = broker.get_info() self.assertEqual(info['object_count'], 1) self.assertEqual(info['bytes_used'], 123) # unless you change the storage policy broker.set_storage_policy_index(other_policy.idx) info = broker.get_info() self.assertEqual(info['object_count'], 1) self.assertEqual(info['bytes_used'], 456)