608 lines
24 KiB
Python
608 lines
24 KiB
Python
# Copyright (c) 2010-2012 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import unittest
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import os
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import urllib
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from contextlib import contextmanager
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import StringIO
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from hashlib import md5
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import time
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import mock
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from swift.common import direct_client
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from swift.common.exceptions import ClientException
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from swift.common.utils import json, Timestamp
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from swift.common.swob import HeaderKeyDict, RESPONSE_REASONS
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from swift.common.storage_policy import POLICIES
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from test.unit import patch_policies
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class FakeConn(object):
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def __init__(self, status, headers=None, body='', **kwargs):
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self.status = status
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try:
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self.reason = RESPONSE_REASONS[self.status][0]
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except Exception:
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self.reason = 'Fake'
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self.body = body
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self.resp_headers = HeaderKeyDict()
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if headers:
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self.resp_headers.update(headers)
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self.with_exc = False
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self.etag = None
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def _update_raw_call_args(self, *args, **kwargs):
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capture_attrs = ('host', 'port', 'method', 'path', 'req_headers',
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'query_string')
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for attr, value in zip(capture_attrs, args[:len(capture_attrs)]):
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setattr(self, attr, value)
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return self
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def getresponse(self):
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if self.etag:
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self.resp_headers['etag'] = str(self.etag.hexdigest())
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if self.with_exc:
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raise Exception('test')
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return self
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def getheader(self, header, default=None):
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return self.resp_headers.get(header, default)
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def getheaders(self):
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return self.resp_headers.items()
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def read(self):
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return self.body
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def send(self, data):
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if not self.etag:
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self.etag = md5()
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self.etag.update(data)
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@contextmanager
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def mocked_http_conn(*args, **kwargs):
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fake_conn = FakeConn(*args, **kwargs)
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mock_http_conn = lambda *args, **kwargs: \
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fake_conn._update_raw_call_args(*args, **kwargs)
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with mock.patch('swift.common.bufferedhttp.http_connect_raw',
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new=mock_http_conn):
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yield fake_conn
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@patch_policies
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class TestDirectClient(unittest.TestCase):
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def setUp(self):
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self.node = {'ip': '1.2.3.4', 'port': '6000', 'device': 'sda'}
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self.part = '0'
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self.account = u'\u062a account'
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self.container = u'\u062a container'
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self.obj = u'\u062a obj/name'
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self.account_path = '/sda/0/%s' % urllib.quote(
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self.account.encode('utf-8'))
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self.container_path = '/sda/0/%s/%s' % tuple(
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urllib.quote(p.encode('utf-8')) for p in (
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self.account, self.container))
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self.obj_path = '/sda/0/%s/%s/%s' % tuple(
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urllib.quote(p.encode('utf-8')) for p in (
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self.account, self.container, self.obj))
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self.user_agent = 'direct-client %s' % os.getpid()
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def test_gen_headers(self):
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stub_user_agent = 'direct-client %s' % os.getpid()
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headers = direct_client.gen_headers()
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self.assertEqual(headers['user-agent'], stub_user_agent)
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self.assertEqual(1, len(headers))
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now = time.time()
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headers = direct_client.gen_headers(add_ts=True)
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self.assertEqual(headers['user-agent'], stub_user_agent)
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self.assert_(now - 1 < Timestamp(headers['x-timestamp']) < now + 1)
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self.assertEqual(headers['x-timestamp'],
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Timestamp(headers['x-timestamp']).internal)
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self.assertEqual(2, len(headers))
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headers = direct_client.gen_headers(hdrs_in={'foo-bar': '47'})
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self.assertEqual(headers['user-agent'], stub_user_agent)
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self.assertEqual(headers['foo-bar'], '47')
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self.assertEqual(2, len(headers))
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headers = direct_client.gen_headers(hdrs_in={'user-agent': '47'})
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self.assertEqual(headers['user-agent'], stub_user_agent)
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self.assertEqual(1, len(headers))
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for policy in POLICIES:
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for add_ts in (True, False):
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now = time.time()
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headers = direct_client.gen_headers(
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{'X-Backend-Storage-Policy-Index': policy.idx},
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add_ts=add_ts)
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self.assertEqual(headers['user-agent'], stub_user_agent)
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self.assertEqual(headers['X-Backend-Storage-Policy-Index'],
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str(policy.idx))
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expected_header_count = 2
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if add_ts:
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expected_header_count += 1
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self.assertEqual(
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headers['x-timestamp'],
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Timestamp(headers['x-timestamp']).internal)
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self.assert_(
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now - 1 < Timestamp(headers['x-timestamp']) < now + 1)
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self.assertEqual(expected_header_count, len(headers))
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def test_direct_get_account(self):
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stub_headers = HeaderKeyDict({
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'X-Account-Container-Count': '1',
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'X-Account-Object-Count': '1',
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'X-Account-Bytes-Used': '1',
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'X-Timestamp': '1234567890',
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'X-PUT-Timestamp': '1234567890'})
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body = '[{"count": 1, "bytes": 20971520, "name": "c1"}]'
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with mocked_http_conn(200, stub_headers, body) as conn:
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resp_headers, resp = direct_client.direct_get_account(
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self.node, self.part, self.account, marker='marker',
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prefix='prefix', delimiter='delimiter', limit=1000)
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self.assertEqual(conn.method, 'GET')
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self.assertEqual(conn.path, self.account_path)
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self.assertEqual(conn.req_headers['user-agent'], self.user_agent)
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self.assertEqual(resp_headers, stub_headers)
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self.assertEqual(json.loads(body), resp)
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self.assertTrue('marker=marker' in conn.query_string)
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self.assertTrue('delimiter=delimiter' in conn.query_string)
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self.assertTrue('limit=1000' in conn.query_string)
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self.assertTrue('prefix=prefix' in conn.query_string)
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self.assertTrue('format=json' in conn.query_string)
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def test_direct_client_exception(self):
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stub_headers = {'X-Trans-Id': 'txb5f59485c578460f8be9e-0053478d09'}
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body = 'a server error has occurred'
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with mocked_http_conn(500, stub_headers, body):
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try:
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direct_client.direct_get_account(self.node, self.part,
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self.account)
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except ClientException as err:
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pass
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else:
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self.fail('ClientException not raised')
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self.assertEqual(err.http_status, 500)
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expected_err_msg_parts = (
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'Account server %s:%s' % (self.node['ip'], self.node['port']),
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'GET %r' % self.account_path,
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'status 500',
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)
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for item in expected_err_msg_parts:
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self.assert_(item in str(err), '%r was not in "%s"' % (item, err))
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self.assertEqual(err.http_host, self.node['ip'])
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self.assertEqual(err.http_port, self.node['port'])
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self.assertEqual(err.http_device, self.node['device'])
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self.assertEqual(err.http_status, 500)
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self.assertEqual(err.http_reason, 'Internal Error')
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self.assertEqual(err.http_headers, stub_headers)
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def test_direct_get_account_no_content_does_not_parse_body(self):
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headers = {
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'X-Account-Container-Count': '1',
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'X-Account-Object-Count': '1',
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'X-Account-Bytes-Used': '1',
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'X-Timestamp': '1234567890',
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'X-PUT-Timestamp': '1234567890'}
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with mocked_http_conn(204, headers) as conn:
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resp_headers, resp = direct_client.direct_get_account(
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self.node, self.part, self.account)
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self.assertEqual(conn.method, 'GET')
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self.assertEqual(conn.path, self.account_path)
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self.assertEqual(conn.req_headers['user-agent'], self.user_agent)
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self.assertEqual(resp_headers, resp_headers)
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self.assertEqual([], resp)
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def test_direct_get_account_error(self):
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with mocked_http_conn(500) as conn:
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try:
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direct_client.direct_get_account(
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self.node, self.part, self.account)
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except ClientException as err:
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pass
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else:
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self.fail('ClientException not raised')
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self.assertEqual(conn.method, 'GET')
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self.assertEqual(conn.path, self.account_path)
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self.assertEqual(err.http_status, 500)
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self.assert_('GET' in str(err))
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def test_direct_delete_account(self):
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node = {'ip': '1.2.3.4', 'port': '6000', 'device': 'sda'}
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part = '0'
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account = 'a'
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mock_path = 'swift.common.bufferedhttp.http_connect_raw'
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with mock.patch(mock_path) as fake_connect:
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fake_connect.return_value.getresponse.return_value.status = 200
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direct_client.direct_delete_account(node, part, account)
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args, kwargs = fake_connect.call_args
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method = args[2]
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self.assertEqual('DELETE', method)
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path = args[3]
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self.assertEqual('/sda/0/a', path)
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headers = args[4]
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self.assert_('X-Timestamp' in headers)
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def test_direct_head_container(self):
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headers = HeaderKeyDict(key='value')
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with mocked_http_conn(200, headers) as conn:
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resp = direct_client.direct_head_container(
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self.node, self.part, self.account, self.container)
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self.assertEqual(conn.method, 'HEAD')
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self.assertEqual(conn.path, self.container_path)
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self.assertEqual(conn.req_headers['user-agent'],
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self.user_agent)
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self.assertEqual(headers, resp)
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def test_direct_head_container_error(self):
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headers = HeaderKeyDict(key='value')
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with mocked_http_conn(503, headers) as conn:
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try:
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direct_client.direct_head_container(
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self.node, self.part, self.account, self.container)
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except ClientException as err:
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pass
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else:
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self.fail('ClientException not raised')
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# check request
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self.assertEqual(conn.method, 'HEAD')
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self.assertEqual(conn.path, self.container_path)
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self.assertEqual(conn.req_headers['user-agent'], self.user_agent)
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self.assertEqual(err.http_status, 503)
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self.assertEqual(err.http_headers, headers)
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self.assert_('HEAD' in str(err))
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def test_direct_head_container_deleted(self):
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important_timestamp = Timestamp(time.time()).internal
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headers = HeaderKeyDict({'X-Backend-Important-Timestamp':
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important_timestamp})
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with mocked_http_conn(404, headers) as conn:
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try:
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direct_client.direct_head_container(
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self.node, self.part, self.account, self.container)
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except Exception as err:
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self.assert_(isinstance(err, ClientException))
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else:
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self.fail('ClientException not raised')
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self.assertEqual(conn.method, 'HEAD')
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self.assertEqual(conn.path, self.container_path)
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self.assertEqual(conn.req_headers['user-agent'], self.user_agent)
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self.assertEqual(err.http_status, 404)
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self.assertEqual(err.http_headers, headers)
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def test_direct_get_container(self):
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headers = HeaderKeyDict({'key': 'value'})
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body = '[{"hash": "8f4e3", "last_modified": "317260", "bytes": 209}]'
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with mocked_http_conn(200, headers, body) as conn:
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resp_headers, resp = direct_client.direct_get_container(
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self.node, self.part, self.account, self.container,
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marker='marker', prefix='prefix', delimiter='delimiter',
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limit=1000)
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self.assertEqual(conn.req_headers['user-agent'],
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'direct-client %s' % os.getpid())
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self.assertEqual(headers, resp_headers)
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self.assertEqual(json.loads(body), resp)
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self.assertTrue('marker=marker' in conn.query_string)
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self.assertTrue('delimiter=delimiter' in conn.query_string)
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self.assertTrue('limit=1000' in conn.query_string)
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self.assertTrue('prefix=prefix' in conn.query_string)
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self.assertTrue('format=json' in conn.query_string)
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def test_direct_get_container_no_content_does_not_decode_body(self):
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headers = {}
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body = ''
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with mocked_http_conn(204, headers, body) as conn:
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resp_headers, resp = direct_client.direct_get_container(
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self.node, self.part, self.account, self.container)
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self.assertEqual(conn.req_headers['user-agent'],
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'direct-client %s' % os.getpid())
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self.assertEqual(headers, resp_headers)
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self.assertEqual([], resp)
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def test_direct_delete_container(self):
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with mocked_http_conn(200) as conn:
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direct_client.direct_delete_container(
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self.node, self.part, self.account, self.container)
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self.assertEqual(conn.method, 'DELETE')
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self.assertEqual(conn.path, self.container_path)
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def test_direct_delete_container_error(self):
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with mocked_http_conn(500) as conn:
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try:
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direct_client.direct_delete_container(
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self.node, self.part, self.account, self.container)
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except ClientException as err:
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pass
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else:
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self.fail('ClientException not raised')
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self.assertEqual(conn.method, 'DELETE')
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self.assertEqual(conn.path, self.container_path)
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self.assertEqual(err.http_status, 500)
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self.assert_('DELETE' in str(err))
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def test_direct_put_container_object(self):
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headers = {'x-foo': 'bar'}
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with mocked_http_conn(204) as conn:
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rv = direct_client.direct_put_container_object(
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self.node, self.part, self.account, self.container, self.obj,
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headers=headers)
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self.assertEqual(conn.method, 'PUT')
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self.assertEqual(conn.path, self.obj_path)
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self.assert_('x-timestamp' in conn.req_headers)
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self.assertEqual('bar', conn.req_headers.get('x-foo'))
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self.assertEqual(rv, None)
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def test_direct_put_container_object_error(self):
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with mocked_http_conn(500) as conn:
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try:
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direct_client.direct_put_container_object(
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self.node, self.part, self.account, self.container,
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self.obj)
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except ClientException as err:
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pass
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else:
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self.fail('ClientException not raised')
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self.assertEqual(conn.method, 'PUT')
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self.assertEqual(conn.path, self.obj_path)
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self.assertEqual(err.http_status, 500)
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self.assert_('PUT' in str(err))
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def test_direct_delete_container_object(self):
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with mocked_http_conn(204) as conn:
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rv = direct_client.direct_delete_container_object(
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self.node, self.part, self.account, self.container, self.obj)
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self.assertEqual(conn.method, 'DELETE')
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self.assertEqual(conn.path, self.obj_path)
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self.assertEqual(rv, None)
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def test_direct_delete_container_obj_error(self):
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with mocked_http_conn(500) as conn:
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try:
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direct_client.direct_delete_container_object(
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self.node, self.part, self.account, self.container,
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self.obj)
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except ClientException as err:
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pass
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else:
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self.fail('ClientException not raised')
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self.assertEqual(conn.method, 'DELETE')
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self.assertEqual(conn.path, self.obj_path)
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self.assertEqual(err.http_status, 500)
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self.assert_('DELETE' in str(err))
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def test_direct_head_object(self):
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headers = HeaderKeyDict({'x-foo': 'bar'})
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with mocked_http_conn(200, headers) as conn:
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resp = direct_client.direct_head_object(
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self.node, self.part, self.account, self.container,
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self.obj, headers=headers)
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self.assertEqual(conn.method, 'HEAD')
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self.assertEqual(conn.path, self.obj_path)
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self.assertEqual(conn.req_headers['user-agent'], self.user_agent)
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self.assertEqual('bar', conn.req_headers.get('x-foo'))
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self.assert_('x-timestamp' not in conn.req_headers,
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'x-timestamp was in HEAD request headers')
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self.assertEqual(headers, resp)
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def test_direct_head_object_error(self):
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with mocked_http_conn(500) as conn:
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try:
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direct_client.direct_head_object(
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self.node, self.part, self.account, self.container,
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self.obj)
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except ClientException as err:
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pass
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else:
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self.fail('ClientException not raised')
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self.assertEqual(conn.method, 'HEAD')
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self.assertEqual(conn.path, self.obj_path)
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self.assertEqual(err.http_status, 500)
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self.assert_('HEAD' in str(err))
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def test_direct_head_object_not_found(self):
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important_timestamp = Timestamp(time.time()).internal
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stub_headers = {'X-Backend-Important-Timestamp': important_timestamp}
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with mocked_http_conn(404, headers=stub_headers) as conn:
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try:
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direct_client.direct_head_object(
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self.node, self.part, self.account, self.container,
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self.obj)
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except ClientException as err:
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pass
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else:
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self.fail('ClientException not raised')
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self.assertEqual(conn.method, 'HEAD')
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self.assertEqual(conn.path, self.obj_path)
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self.assertEqual(err.http_status, 404)
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self.assertEqual(err.http_headers['x-backend-important-timestamp'],
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important_timestamp)
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def test_direct_get_object(self):
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contents = StringIO.StringIO('123456')
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with mocked_http_conn(200, body=contents) as conn:
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resp_header, obj_body = direct_client.direct_get_object(
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self.node, self.part, self.account, self.container, self.obj)
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self.assertEqual(conn.method, 'GET')
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self.assertEqual(conn.path, self.obj_path)
|
|
self.assertEqual(obj_body, contents)
|
|
|
|
def test_direct_get_object_error(self):
|
|
with mocked_http_conn(500) as conn:
|
|
try:
|
|
direct_client.direct_get_object(
|
|
self.node, self.part,
|
|
self.account, self.container, self.obj)
|
|
except ClientException as err:
|
|
pass
|
|
else:
|
|
self.fail('ClientException not raised')
|
|
self.assertEqual(conn.method, 'GET')
|
|
self.assertEqual(conn.path, self.obj_path)
|
|
|
|
self.assertEqual(err.http_status, 500)
|
|
self.assert_('GET' in str(err))
|
|
|
|
def test_direct_post_object(self):
|
|
headers = {'Key': 'value'}
|
|
|
|
resp_headers = []
|
|
|
|
with mocked_http_conn(200, resp_headers) as conn:
|
|
direct_client.direct_post_object(
|
|
self.node, self.part, self.account, self.container, self.obj,
|
|
headers)
|
|
self.assertEqual(conn.method, 'POST')
|
|
self.assertEqual(conn.path, self.obj_path)
|
|
|
|
for header in headers:
|
|
self.assertEqual(conn.req_headers[header], headers[header])
|
|
|
|
def test_direct_post_object_error(self):
|
|
headers = {'Key': 'value'}
|
|
|
|
with mocked_http_conn(500) as conn:
|
|
try:
|
|
direct_client.direct_post_object(
|
|
self.node, self.part, self.account, self.container,
|
|
self.obj, headers)
|
|
except ClientException as err:
|
|
pass
|
|
else:
|
|
self.fail('ClientException not raised')
|
|
self.assertEqual(conn.method, 'POST')
|
|
self.assertEqual(conn.path, self.obj_path)
|
|
for header in headers:
|
|
self.assertEqual(conn.req_headers[header], headers[header])
|
|
self.assertEqual(conn.req_headers['user-agent'], self.user_agent)
|
|
self.assert_('x-timestamp' in conn.req_headers)
|
|
|
|
self.assertEqual(err.http_status, 500)
|
|
self.assert_('POST' in str(err))
|
|
|
|
def test_direct_delete_object(self):
|
|
with mocked_http_conn(200) as conn:
|
|
resp = direct_client.direct_delete_object(
|
|
self.node, self.part, self.account, self.container, self.obj)
|
|
self.assertEqual(conn.method, 'DELETE')
|
|
self.assertEqual(conn.path, self.obj_path)
|
|
self.assertEqual(resp, None)
|
|
|
|
def test_direct_delete_object_error(self):
|
|
with mocked_http_conn(503) as conn:
|
|
try:
|
|
direct_client.direct_delete_object(
|
|
self.node, self.part, self.account, self.container,
|
|
self.obj)
|
|
except ClientException as err:
|
|
pass
|
|
else:
|
|
self.fail('ClientException not raised')
|
|
self.assertEqual(conn.method, 'DELETE')
|
|
self.assertEqual(conn.path, self.obj_path)
|
|
self.assertEqual(err.http_status, 503)
|
|
self.assert_('DELETE' in str(err))
|
|
|
|
def test_direct_put_object_with_content_length(self):
|
|
contents = StringIO.StringIO('123456')
|
|
|
|
with mocked_http_conn(200) as conn:
|
|
resp = direct_client.direct_put_object(
|
|
self.node, self.part, self.account, self.container, self.obj,
|
|
contents, 6)
|
|
self.assertEqual(conn.method, 'PUT')
|
|
self.assertEqual(conn.path, self.obj_path)
|
|
self.assertEqual(md5('123456').hexdigest(), resp)
|
|
|
|
def test_direct_put_object_fail(self):
|
|
contents = StringIO.StringIO('123456')
|
|
|
|
with mocked_http_conn(500) as conn:
|
|
try:
|
|
direct_client.direct_put_object(
|
|
self.node, self.part, self.account, self.container,
|
|
self.obj, contents)
|
|
except ClientException as err:
|
|
pass
|
|
else:
|
|
self.fail('ClientException not raised')
|
|
self.assertEqual(conn.method, 'PUT')
|
|
self.assertEqual(conn.path, self.obj_path)
|
|
self.assertEqual(err.http_status, 500)
|
|
|
|
def test_direct_put_object_chunked(self):
|
|
contents = StringIO.StringIO('123456')
|
|
|
|
with mocked_http_conn(200) as conn:
|
|
resp = direct_client.direct_put_object(
|
|
self.node, self.part, self.account, self.container, self.obj,
|
|
contents)
|
|
self.assertEqual(conn.method, 'PUT')
|
|
self.assertEqual(conn.path, self.obj_path)
|
|
self.assertEqual(md5('6\r\n123456\r\n0\r\n\r\n').hexdigest(), resp)
|
|
|
|
def test_retry(self):
|
|
headers = HeaderKeyDict({'key': 'value'})
|
|
|
|
with mocked_http_conn(200, headers) as conn:
|
|
attempts, resp = direct_client.retry(
|
|
direct_client.direct_head_object, self.node, self.part,
|
|
self.account, self.container, self.obj)
|
|
self.assertEqual(conn.method, 'HEAD')
|
|
self.assertEqual(conn.path, self.obj_path)
|
|
self.assertEqual(conn.req_headers['user-agent'], self.user_agent)
|
|
self.assertEqual(headers, resp)
|
|
self.assertEqual(attempts, 1)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|