652 lines
23 KiB
Python
652 lines
23 KiB
Python
# Copyright (c) 2011 OpenStack, LLC.
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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 json
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from sys import exc_info
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from time import time
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from unittest import main, TestCase
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from swift.obj import expirer
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from swift.proxy.server import Application
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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 MockLogger(object):
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def __init__(self):
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self.debugs = []
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self.infos = []
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self.exceptions = []
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def debug(self, msg):
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self.debugs.append(msg)
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def info(self, msg):
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self.infos.append(msg)
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def exception(self, msg):
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self.exceptions.append('%s: %s' % (msg, exc_info()[1]))
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class FakeRing(object):
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def __init__(self):
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self.devs = {1: {'ip': '10.0.0.1', 'port': 1000, 'device': 'sda'},
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2: {'ip': '10.0.0.2', 'port': 1000, 'device': 'sda'},
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3: {'ip': '10.0.0.3', 'port': 1000, 'device': 'sda'},
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4: {'ip': '10.0.0.4', 'port': 1000, 'device': 'sda'}}
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self.replica_count = 3
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def get_nodes(self, account, container=None, obj=None):
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return 1, [self.devs[i] for i in xrange(1, self.replica_count + 1)]
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def get_part_nodes(self, part):
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return self.get_nodes('')[1]
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def get_more_nodes(self, nodes):
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yield self.devs[self.replica_count + 1]
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class TestObjectExpirer(TestCase):
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def setUp(self):
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self.orig_loadapp = expirer.loadapp
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expirer.loadapp = lambda x: Application({}, account_ring=FakeRing(),
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container_ring=FakeRing(), object_ring=FakeRing())
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def tearDown(self):
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expirer.loadapp = self.orig_loadapp
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def test_report(self):
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x = expirer.ObjectExpirer({})
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x.logger = MockLogger()
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x.logger.infos = []
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x.report()
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self.assertEquals(x.logger.infos, [])
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x.logger.infos = []
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x.report(final=True)
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self.assertTrue('completed' in x.logger.infos[-1], x.logger.infos)
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self.assertTrue('so far' not in x.logger.infos[-1], x.logger.infos)
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x.logger.infos = []
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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.infos[-1], x.logger.infos)
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self.assertTrue('so far' in x.logger.infos[-1], x.logger.infos)
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def test_run_once_nothing_to_do(self):
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x = expirer.ObjectExpirer({})
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x.logger = MockLogger()
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x.get_account_info = 'throw error because a string is not callable'
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x.run_once()
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self.assertEquals(x.logger.exceptions,
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["Unhandled exception: 'str' object is not callable"])
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def test_run_once_calls_report(self):
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x = expirer.ObjectExpirer({})
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x.logger = MockLogger()
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x.get_account_info = lambda: (1, 2)
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x.iter_containers = lambda: []
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x.run_once()
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self.assertEquals(x.logger.exceptions, [])
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self.assertEquals(x.logger.infos,
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['Pass beginning; 1 possible containers; 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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def should_not_get_called(container):
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raise Exception('This should not have been called')
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x = expirer.ObjectExpirer({})
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x.logger = MockLogger()
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x.get_account_info = lambda: (1, 2)
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x.iter_containers = lambda: [str(int(time() + 86400))]
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x.iter_objects = should_not_get_called
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x.run_once()
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self.assertEquals(x.logger.exceptions, [])
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self.assertEquals(x.logger.infos,
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['Pass beginning; 1 possible containers; 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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x = expirer.ObjectExpirer({})
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x.logger = MockLogger()
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x.get_account_info = lambda: (1, 2)
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x.iter_containers = lambda: [str(int(time() - 86400))]
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x.iter_objects = should_not_get_called
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x.run_once()
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self.assertEquals(x.logger.exceptions,
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['Unhandled exception: This should not have been called'])
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def test_object_timestamp_break(self):
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def should_not_get_called(actual_obj, timestamp):
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raise Exception('This should not have been called')
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x = expirer.ObjectExpirer({})
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x.logger = MockLogger()
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x.get_account_info = lambda: (1, 2)
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x.iter_containers = lambda: [str(int(time() - 86400))]
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x.iter_objects = lambda c: ['%d-actual-obj' % int(time() + 86400)]
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x.delete_actual_object = should_not_get_called
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x.delete_container = lambda c: None
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x.run_once()
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self.assertEquals(x.logger.exceptions, [])
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self.assertEquals(x.logger.infos,
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['Pass beginning; 1 possible containers; 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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x = expirer.ObjectExpirer({})
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x.logger = MockLogger()
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x.get_account_info = lambda: (1, 2)
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x.iter_containers = lambda: [str(int(time() - 86400))]
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ts = int(time() - 86400)
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x.iter_objects = lambda c: ['%d-actual-obj' % ts]
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x.delete_actual_object = should_not_get_called
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x.delete_container = lambda c: None
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x.run_once()
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self.assertEquals(x.logger.exceptions, ['Exception while deleting '
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'object %d %d-actual-obj This should not have been called: This '
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'should not have been called' % (ts, ts)])
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def test_failed_delete_keeps_entry(self):
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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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x = expirer.ObjectExpirer({})
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x.logger = MockLogger()
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x.get_account_info = lambda: (1, 2)
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x.iter_containers = lambda: [str(int(time() - 86400))]
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ts = int(time() - 86400)
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x.iter_objects = lambda c: ['%d-actual-obj' % ts]
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x.delete_actual_object = deliberately_blow_up
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x.delete_object = should_not_get_called
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x.delete_container = lambda c: None
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x.run_once()
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self.assertEquals(x.logger.exceptions, ['Exception while deleting '
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'object %d %d-actual-obj failed to delete actual object: failed '
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'to delete actual object' % (ts, ts)])
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self.assertEquals(x.logger.infos,
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['Pass beginning; 1 possible containers; 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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x = expirer.ObjectExpirer({})
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x.logger = MockLogger()
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x.get_account_info = lambda: (1, 2)
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x.iter_containers = lambda: [str(int(time() - 86400))]
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ts = int(time() - 86400)
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x.iter_objects = lambda c: ['%d-actual-obj' % ts]
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x.delete_actual_object = lambda o, t: None
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x.delete_object = should_not_get_called
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x.delete_container = lambda c: None
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x.run_once()
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self.assertEquals(x.logger.exceptions, ['Exception while deleting '
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'object %d %d-actual-obj This should not have been called: This '
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'should not have been called' % (ts, ts)])
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def test_success_gets_counted(self):
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x = expirer.ObjectExpirer({})
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x.logger = MockLogger()
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x.get_account_info = lambda: (1, 2)
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x.iter_containers = lambda: [str(int(time() - 86400))]
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x.iter_objects = lambda c: ['%d-actual-obj' % int(time() - 86400)]
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x.delete_actual_object = lambda o, t: None
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x.delete_object = lambda c, o: None
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x.delete_container = lambda c: None
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self.assertEquals(x.report_objects, 0)
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x.run_once()
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self.assertEquals(x.report_objects, 1)
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self.assertEquals(x.logger.exceptions, [])
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self.assertEquals(x.logger.infos,
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['Pass beginning; 1 possible containers; 2 possible objects',
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'Pass completed in 0s; 1 objects expired'])
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def test_failed_delete_continues_on(self):
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def fail_delete_actual_object(actual_obj, timestamp):
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raise Exception('failed to delete actual object')
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def fail_delete_container(container):
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raise Exception('failed to delete container')
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x = expirer.ObjectExpirer({})
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x.logger = MockLogger()
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x.get_account_info = lambda: (1, 2)
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cts = int(time() - 86400)
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x.iter_containers = lambda: [str(cts), str(cts + 1)]
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ots = int(time() - 86400)
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x.iter_objects = lambda c: ['%d-actual-obj' % ots, '%d-next-obj' % ots]
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x.delete_actual_object = fail_delete_actual_object
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x.delete_object = lambda c, o: None
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x.delete_container = fail_delete_container
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x.run_once()
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self.assertEquals(x.logger.exceptions, [
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'Exception while deleting object %d %d-actual-obj failed to '
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'delete actual object: failed to delete actual object' %
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(cts, ots),
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'Exception while deleting object %d %d-next-obj failed to delete '
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'actual object: failed to delete actual object' % (cts, ots),
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'Exception while deleting container %d failed to delete '
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'container: failed to delete container' % cts,
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'Exception while deleting object %d %d-actual-obj failed to '
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'delete actual object: failed to delete actual object' %
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(cts + 1, ots),
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'Exception while deleting object %d %d-next-obj failed to delete '
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'actual object: failed to delete actual object' % (cts + 1, ots),
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'Exception while deleting container %d failed to delete '
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'container: failed to delete container' % (cts + 1)])
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self.assertEquals(x.logger.infos,
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['Pass beginning; 1 possible containers; 2 possible objects',
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'Pass completed in 0s; 0 objects expired'])
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def test_run_forever_initial_sleep_random(self):
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global last_not_sleep
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def raise_system_exit():
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raise SystemExit('test_run_forever')
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interval = 1234
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x = expirer.ObjectExpirer({'__file__': 'unit_test',
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'interval': interval})
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orig_random = expirer.random
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orig_sleep = expirer.sleep
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exc = None
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try:
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expirer.random = not_random
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expirer.sleep = not_sleep
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x.run_once = raise_system_exit
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x.run_forever()
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except SystemExit, err:
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exc = err
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finally:
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expirer.random = orig_random
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expirer.sleep = orig_sleep
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self.assertEquals(str(err), 'test_run_forever')
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self.assertEquals(last_not_sleep, 0.5 * interval)
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def test_run_forever_catches_usual_exceptions(self):
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raises = [0]
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def raise_exceptions():
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raises[0] += 1
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if raises[0] < 2:
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raise Exception('exception %d' % raises[0])
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raise SystemExit('exiting exception %d' % raises[0])
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x = expirer.ObjectExpirer({})
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x.logger = MockLogger()
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orig_sleep = expirer.sleep
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exc = None
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try:
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expirer.sleep = not_sleep
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x.run_once = raise_exceptions
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x.run_forever()
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except SystemExit, err:
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exc = err
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finally:
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expirer.sleep = orig_sleep
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self.assertEquals(str(err), 'exiting exception 2')
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self.assertEquals(x.logger.exceptions,
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['Unhandled exception: exception 1'])
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def test_get_response_sets_user_agent(self):
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env_given = [None]
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def fake_app(env, start_response):
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env_given[0] = env
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start_response('200 Ok', [('Content-Length', '0')])
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return []
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x = expirer.ObjectExpirer({})
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x.app = fake_app
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resp = x.get_response('GET', '/', {}, (200,))
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self.assertEquals(env_given[0]['HTTP_USER_AGENT'],
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'Swift Object Expirer')
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def test_get_response_retries(self):
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global last_not_sleep
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tries = [0]
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def fake_app(env, start_response):
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tries[0] += 1
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if tries[0] < 3:
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start_response('500 Internal Server Error',
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[('Content-Length', '0')])
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else:
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start_response('200 Ok', [('Content-Length', '0')])
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return []
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x = expirer.ObjectExpirer({})
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x.app = fake_app
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orig_sleep = expirer.sleep
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try:
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expirer.sleep = not_sleep
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resp = x.get_response('GET', '/', {}, (200,))
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finally:
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expirer.sleep = orig_sleep
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self.assertEquals(tries[0], 3)
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self.assertEquals(last_not_sleep, 4)
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def test_get_response_method_path_headers(self):
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env_given = [None]
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def fake_app(env, start_response):
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env_given[0] = env
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start_response('200 Ok', [('Content-Length', '0')])
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return []
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x = expirer.ObjectExpirer({})
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x.app = fake_app
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for method in ('GET', 'SOMETHINGELSE'):
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resp = x.get_response(method, '/', {}, (200,))
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self.assertEquals(env_given[0]['REQUEST_METHOD'], method)
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for path in ('/one', '/two/three'):
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resp = x.get_response('GET', path, {'X-Test': path}, (200,))
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self.assertEquals(env_given[0]['PATH_INFO'], path)
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self.assertEquals(env_given[0]['HTTP_X_TEST'], path)
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def test_get_response_codes(self):
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def fake_app(env, start_response):
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start_response('200 Ok', [('Content-Length', '0')])
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return []
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x = expirer.ObjectExpirer({})
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x.app = fake_app
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orig_sleep = expirer.sleep
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try:
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expirer.sleep = not_sleep
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resp = x.get_response('GET', '/', {}, (200,))
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resp = x.get_response('GET', '/', {}, (2,))
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resp = x.get_response('GET', '/', {}, (400, 200))
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resp = x.get_response('GET', '/', {}, (400, 2))
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try:
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resp = x.get_response('GET', '/', {}, (400,))
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except Exception, err:
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exc = err
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self.assertEquals(str(err), 'Unexpected response 200 Ok')
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try:
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resp = x.get_response('GET', '/', {}, (201,))
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except Exception, err:
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exc = err
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self.assertEquals(str(err), 'Unexpected response 200 Ok')
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finally:
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expirer.sleep = orig_sleep
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def test_get_account_info(self):
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def fake_app(env, start_response):
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start_response('200 Ok', [('Content-Length', '0'),
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('X-Account-Container-Count', '80'),
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('X-Account-Object-Count', '90')])
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return []
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x = expirer.ObjectExpirer({})
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x.app = fake_app
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self.assertEquals(x.get_account_info(), (80, 90))
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def test_get_account_info_handles_404(self):
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def fake_app(env, start_response):
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start_response('404 Not Found', [('Content-Length', '0')])
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return []
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x = expirer.ObjectExpirer({})
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x.app = fake_app
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self.assertEquals(x.get_account_info(), (0, 0))
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def test_iter_containers(self):
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calls = [0]
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def fake_app(env, start_response):
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calls[0] += 1
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if calls[0] == 1:
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body = json.dumps([{'name': 'one'}, {'name': 'two'}])
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start_response('200 Ok', [('Content-Length', str(len(body)))])
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return [body]
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elif calls[0] == 2:
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body = json.dumps([{'name': 'three'}, {'name': 'four'}])
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start_response('200 Ok', [('Content-Length', str(len(body)))])
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return [body]
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elif calls[0] == 3:
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start_response('204 Ok', [('Content-Length', '0')])
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return []
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raise Exception('Should not get here')
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x = expirer.ObjectExpirer({})
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x.app = fake_app
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self.assertEquals(list(x.iter_containers()),
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['one', 'two', 'three', 'four'])
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def test_iter_containers_handles_404(self):
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def fake_app(env, start_response):
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start_response('404 Not Found', [('Content-Length', '0')])
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return []
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x = expirer.ObjectExpirer({})
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x.app = fake_app
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self.assertEquals(list(x.iter_containers()), [])
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def test_iter_objects(self):
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calls = [0]
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def fake_app(env, start_response):
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calls[0] += 1
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if calls[0] == 1:
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body = json.dumps([{'name': 'one'}, {'name': 'two'}])
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start_response('200 Ok', [('Content-Length', str(len(body)))])
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return [body]
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elif calls[0] == 2:
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body = json.dumps([{'name': 'three'}, {'name': 'four'}])
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start_response('200 Ok', [('Content-Length', str(len(body)))])
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return [body]
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elif calls[0] == 3:
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start_response('204 Ok', [('Content-Length', '0')])
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return []
|
|
raise Exception('Should not get here')
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
x.app = fake_app
|
|
self.assertEquals(list(x.iter_objects('container')),
|
|
['one', 'two', 'three', 'four'])
|
|
|
|
def test_iter_objects_handles_404(self):
|
|
|
|
def fake_app(env, start_response):
|
|
start_response('404 Not Found', [('Content-Length', '0')])
|
|
return []
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
x.app = fake_app
|
|
self.assertEquals(list(x.iter_objects('container')), [])
|
|
|
|
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 []
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
x.app = fake_app
|
|
ts = '1234'
|
|
x.delete_actual_object('/path/to/object', ts)
|
|
self.assertEquals(got_env[0]['HTTP_X_IF_DELETE_AT'], ts)
|
|
|
|
def test_delete_actual_object_handles_404(self):
|
|
|
|
def fake_app(env, start_response):
|
|
start_response('404 Not Found', [('Content-Length', '0')])
|
|
return []
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
x.app = fake_app
|
|
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 []
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
x.app = fake_app
|
|
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 []
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
x.app = fake_app
|
|
orig_sleep = expirer.sleep
|
|
exc = None
|
|
try:
|
|
expirer.sleep = not_sleep
|
|
x.delete_actual_object('/path/to/object', '1234')
|
|
except Exception, err:
|
|
exc = err
|
|
finally:
|
|
expirer.sleep = orig_sleep
|
|
self.assertEquals(str(err),
|
|
'Unexpected response 503 Internal Server Error')
|
|
|
|
def test_delete_object(self):
|
|
got_env = [None]
|
|
|
|
def fake_app(env, start_response):
|
|
got_env[0] = env
|
|
start_response('204 No Content', [('Content-Length', '0')])
|
|
return []
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
x.app = fake_app
|
|
x.delete_object('container', 'object')
|
|
|
|
def test_delete_object_handles_404(self):
|
|
|
|
def fake_app(env, start_response):
|
|
start_response('404 Not Found', [('Content-Length', '0')])
|
|
return []
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
x.app = fake_app
|
|
x.delete_object('container', 'object')
|
|
|
|
def test_delete_object_does_not_handle_odd_stuff(self):
|
|
|
|
def fake_app(env, start_response):
|
|
start_response('503 Internal Server Error',
|
|
[('Content-Length', '0')])
|
|
return []
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
x.app = fake_app
|
|
orig_sleep = expirer.sleep
|
|
exc = None
|
|
try:
|
|
expirer.sleep = not_sleep
|
|
x.delete_object('container', 'object')
|
|
except Exception, err:
|
|
exc = err
|
|
finally:
|
|
expirer.sleep = orig_sleep
|
|
self.assertEquals(str(err),
|
|
'Unexpected response 503 Internal Server Error')
|
|
|
|
def test_delete_container(self):
|
|
got_env = [None]
|
|
|
|
def fake_app(env, start_response):
|
|
got_env[0] = env
|
|
start_response('204 No Content', [('Content-Length', '0')])
|
|
return []
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
x.app = fake_app
|
|
x.delete_container('container')
|
|
|
|
def test_delete_container_handles_404(self):
|
|
|
|
def fake_app(env, start_response):
|
|
start_response('404 Not Found', [('Content-Length', '0')])
|
|
return []
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
x.app = fake_app
|
|
x.delete_container('container')
|
|
|
|
def test_delete_container_handles_409(self):
|
|
|
|
def fake_app(env, start_response):
|
|
start_response('409 Conflict', [('Content-Length', '0')])
|
|
return []
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
x.app = fake_app
|
|
x.delete_container('container')
|
|
|
|
def test_delete_container_does_not_handle_odd_stuff(self):
|
|
|
|
def fake_app(env, start_response):
|
|
start_response('503 Internal Server Error',
|
|
[('Content-Length', '0')])
|
|
return []
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
x.app = fake_app
|
|
orig_sleep = expirer.sleep
|
|
exc = None
|
|
try:
|
|
expirer.sleep = not_sleep
|
|
x.delete_container('container')
|
|
except Exception, err:
|
|
exc = err
|
|
finally:
|
|
expirer.sleep = orig_sleep
|
|
self.assertEquals(str(err),
|
|
'Unexpected response 503 Internal Server Error')
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|