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# 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.
import unittest
import mock
import time
import os
import random
from tempfile import mkdtemp
from shutil import rmtree
from swift.common.utils import normalize_timestamp
from swift.container import auditor
from test.unit import debug_logger, with_tempdir
from test.unit.container import test_backend
class FakeContainerBroker(object):
def __init__(self, path):
self.path = path
self.db_file = path
self.file = os.path.basename(path)
def is_deleted(self):
return False
def get_info(self):
if self.file.startswith('fail'):
raise ValueError
if self.file.startswith('true'):
return 'ok'
class TestAuditor(unittest.TestCase):
def setUp(self):
self.testdir = os.path.join(mkdtemp(), 'tmp_test_container_auditor')
self.logger = debug_logger()
rmtree(self.testdir, ignore_errors=1)
os.mkdir(self.testdir)
fnames = ['true1.db', 'true2.db', 'true3.db',
'fail1.db', 'fail2.db']
for fn in fnames:
with open(os.path.join(self.testdir, fn), 'w+') as f:
f.write(' ')
def tearDown(self):
rmtree(os.path.dirname(self.testdir), ignore_errors=1)
@mock.patch('swift.container.auditor.ContainerBroker', FakeContainerBroker)
def test_run_forever(self):
sleep_times = random.randint(5, 10)
call_times = sleep_times - 1
class FakeTime(object):
def __init__(self):
self.times = 0
def sleep(self, sec):
self.times += 1
if self.times < sleep_times:
time.sleep(0.1)
else:
# stop forever by an error
raise ValueError()
def time(self):
return time.time()
conf = {}
test_auditor = auditor.ContainerAuditor(conf, logger=self.logger)
with mock.patch('swift.container.auditor.time', FakeTime()):
def fake_audit_location_generator(*args, **kwargs):
files = os.listdir(self.testdir)
return [(os.path.join(self.testdir, f), '', '') for f in files]
with mock.patch('swift.container.auditor.audit_location_generator',
fake_audit_location_generator):
self.assertRaises(ValueError, test_auditor.run_forever)
self.assertEquals(test_auditor.container_failures, 2 * call_times)
self.assertEquals(test_auditor.container_passes, 3 * call_times)
@mock.patch('swift.container.auditor.ContainerBroker', FakeContainerBroker)
def test_run_once(self):
conf = {}
test_auditor = auditor.ContainerAuditor(conf, logger=self.logger)
def fake_audit_location_generator(*args, **kwargs):
files = os.listdir(self.testdir)
return [(os.path.join(self.testdir, f), '', '') for f in files]
with mock.patch('swift.container.auditor.audit_location_generator',
fake_audit_location_generator):
test_auditor.run_once()
self.assertEquals(test_auditor.container_failures, 2)
self.assertEquals(test_auditor.container_passes, 3)
@mock.patch('swift.container.auditor.ContainerBroker', FakeContainerBroker)
def test_container_auditor(self):
conf = {}
test_auditor = auditor.ContainerAuditor(conf, logger=self.logger)
files = os.listdir(self.testdir)
for f in files:
path = os.path.join(self.testdir, f)
test_auditor.container_audit(path)
self.assertEquals(test_auditor.container_failures, 2)
self.assertEquals(test_auditor.container_passes, 3)
class TestAuditorMigrations(unittest.TestCase):
@with_tempdir
def test_db_migration(self, tempdir):
db_path = os.path.join(tempdir, 'sda', 'containers', '0', '0', '0',
'test.db')
with test_backend.TestContainerBrokerBeforeSPI.old_broker() as \
old_ContainerBroker:
broker = old_ContainerBroker(db_path, account='a', container='c')
broker.initialize(normalize_timestamp(0), -1)
with broker.get() as conn:
try:
conn.execute('SELECT storage_policy_index '
'FROM container_stat')
except Exception as err:
self.assert_('no such column: storage_policy_index' in
str(err))
else:
self.fail('TestContainerBrokerBeforeSPI broker class '
'was already migrated')
conf = {'devices': tempdir, 'mount_check': False}
test_auditor = auditor.ContainerAuditor(conf, logger=debug_logger())
test_auditor.run_once()
broker = auditor.ContainerBroker(db_path, account='a', container='c')
info = broker.get_info()
expected = {
'account': 'a',
'container': 'c',
'object_count': 0,
'bytes_used': 0,
'storage_policy_index': 0,
}
for k, v in expected.items():
self.assertEqual(info[k], v)
if __name__ == '__main__':
unittest.main()
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