swift/test/unit/common/test_direct_client.py
yuan-zhou 60388c9978 Adding unit tests for direct client
- Added simple unit tests for direct client
 - Implemented chunked put in direct_put_object

Change-Id: Icec1019b5157fae33e2fd36a7fc3b9c0cc15afec
2013-06-22 16:15:29 +08:00

366 lines
12 KiB
Python

# Copyright (c) 2010-2012 OpenStack, LLC.
#
# 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 os
import StringIO
import cPickle as pickle
from hashlib import md5
from swift.common import direct_client
from swiftclient import ClientException, json_loads
def mock_http_connect(status, fake_headers=None, body=None):
class FakeConn(object):
def __init__(self, status, fake_headers, body, *args, **kwargs):
self.status = status
self.reason = 'Fake'
self.body = body
self.host = args[0]
self.port = args[1]
self.method = args[4]
self.path = args[5]
self.with_exc = False
self.headers = kwargs.get('headers', {})
self.fake_headers = fake_headers
self.etag = md5()
def getresponse(self):
if self.with_exc:
raise Exception('test')
if self.fake_headers is not None and self.method == 'POST':
self.fake_headers.append(self.headers)
return self
def getheader(self, header, default=None):
return self.headers.get(header.lower(), default)
def getheaders(self):
if self.fake_headers is not None:
for key in self.fake_headers:
self.headers.update({key: self.fake_headers[key]})
return self.headers.items()
def read(self):
return self.body
def send(self, data):
self.etag.update(data)
self.headers['etag'] = str(self.etag.hexdigest())
def close(self):
return
return lambda *args, **kwargs: FakeConn(status, fake_headers, body,
*args, **kwargs)
class TestDirectClient(unittest.TestCase):
def test_quote(self):
res = direct_client.quote('123')
assert res == '123'
res = direct_client.quote('1&2&/3')
assert res == '1%262%26/3'
res = direct_client.quote('1&2&3', safe='&')
assert res == '1&2&3'
def test_gen_headers(self):
hdrs = direct_client.gen_headers()
assert 'user-agent' in hdrs
assert hdrs['user-agent'] == 'direct-client %s' % os.getpid()
assert len(hdrs.keys()) == 1
hdrs = direct_client.gen_headers(add_ts=True)
assert 'user-agent' in hdrs
assert 'x-timestamp' in hdrs
assert len(hdrs.keys()) == 2
hdrs = direct_client.gen_headers(hdrs_in={'foo-bar': '47'})
assert 'user-agent' in hdrs
assert 'foo-bar' in hdrs
assert hdrs['foo-bar'] == '47'
assert len(hdrs.keys()) == 2
hdrs = direct_client.gen_headers(hdrs_in={'user-agent': '47'})
assert 'user-agent' in hdrs
assert hdrs['user-agent'] == 'direct-client %s' % os.getpid()
assert len(hdrs.keys()) == 1
def test_direct_get_account(self):
node = {'ip':'1.2.3.4', 'port':'6000', 'device':'sda'}
part = '0'
account = 'a'
container = 'c'
name = 'o'
headers = {
'X-Account-Container-Count': '1',
'X-Account-Object-Count': '1',
'X-Account-Bytes-Used': '1',
'X-Timestamp': '1234567890',
'X-PUT-Timestamp': '1234567890'}
body = '[{"count": 1, "bytes": 20971520, "name": "c1"}]'
fake_headers = {}
for header, value in headers.items():
fake_headers[header.lower()] = value
was_http_connector = direct_client.http_connect
direct_client.http_connect = mock_http_connect(200, fake_headers, body)
resp_headers, resp = direct_client.direct_get_account(node, part, account)
fake_headers.update({'user-agent':'direct-client %s' % os.getpid()})
self.assertEqual(fake_headers, resp_headers)
self.assertEqual(json_loads(body), resp)
direct_client.http_connect = mock_http_connect(204, fake_headers, body)
resp_headers, resp = direct_client.direct_get_account(node, part, account)
fake_headers.update({'user-agent':'direct-client %s' % os.getpid()})
self.assertEqual(fake_headers, resp_headers)
self.assertEqual([], resp)
direct_client.http_connect = was_http_connector
def test_direct_head_container(self):
node = {'ip':'1.2.3.4', 'port':'6000', 'device':'sda'}
part = '0'
account = 'a'
container = 'c'
name = 'o'
contents = StringIO.StringIO('123456')
headers = {'key':'value'}
was_http_connector = direct_client.http_connect
direct_client.http_connect = mock_http_connect(200, headers)
resp = direct_client.direct_head_container(node, part, account, container)
headers.update({'user-agent':'direct-client %s' % os.getpid()})
self.assertEqual(headers, resp)
direct_client.http_connect = was_http_connector
def test_direct_get_container(self):
node = {'ip':'1.2.3.4', 'port':'6000', 'device':'sda'}
part = '0'
account = 'a'
container = 'c'
name = 'o'
contents = StringIO.StringIO('123456')
headers = {'key':'value'}
body = '[{"hash": "8f4e3", "last_modified": "317260", "bytes": 209}]'
was_http_connector = direct_client.http_connect
direct_client.http_connect = mock_http_connect(200, headers, body)
resp_headers, resp = \
direct_client.direct_get_container(node, part, account, container)
headers.update({'user-agent':'direct-client %s' % os.getpid()})
self.assertEqual(headers, resp_headers)
self.assertEqual(json_loads(body), resp)
direct_client.http_connect = mock_http_connect(204, headers, body)
resp_headers, resp = \
direct_client.direct_get_container(node, part, account, container)
headers.update({'user-agent':'direct-client %s' % os.getpid()})
self.assertEqual(headers, resp_headers)
self.assertEqual([], resp)
direct_client.http_connect = was_http_connector
def test_direct_delete_container(self):
node = {'ip':'1.2.3.4', 'port':'6000', 'device':'sda'}
part = '0'
account = 'a'
container = 'c'
name = 'o'
contents = StringIO.StringIO('123456')
headers = {'key':'value'}
was_http_connector = direct_client.http_connect
direct_client.http_connect = mock_http_connect(200)
direct_client.direct_delete_container(node, part, account, container)
direct_client.http_connect = was_http_connector
def test_direct_head_object(self):
node = {'ip':'1.2.3.4', 'port':'6000', 'device':'sda'}
part = '0'
account = 'a'
container = 'c'
name = 'o'
contents = StringIO.StringIO('123456')
headers = {'key':'value'}
was_http_connector = direct_client.http_connect
direct_client.http_connect = mock_http_connect(200, headers)
resp = direct_client.direct_head_object(node, part, account,
container, name)
headers.update({'user-agent':'direct-client %s' % os.getpid()})
self.assertEqual(headers, resp)
direct_client.http_connect = was_http_connector
def test_direct_get_object(self):
node = {'ip':'1.2.3.4', 'port':'6000', 'device':'sda'}
part = '0'
account = 'a'
container = 'c'
name = 'o'
contents = StringIO.StringIO('123456')
was_http_connector = direct_client.http_connect
direct_client.http_connect = mock_http_connect(200, body=contents)
resp_header, obj_body = \
direct_client.direct_get_object(node, part, account, container, name)
self.assertEqual(obj_body, contents)
direct_client.http_connect = was_http_connector
pass
def test_direct_post_object(self):
node = {'ip':'1.2.3.4', 'port':'6000', 'device':'sda'}
part = '0'
account = 'a'
container = 'c'
name = 'o'
contents = StringIO.StringIO('123456')
headers = {'Key':'value'}
fake_headers = []
was_http_connector = direct_client.http_connect
direct_client.http_connect = mock_http_connect(200, fake_headers)
direct_client.direct_post_object(node, part, account,
container, name, headers)
self.assertEqual(headers['Key'], fake_headers[0].get('Key'))
direct_client.http_connect = was_http_connector
def test_direct_delete_object(self):
node = {'ip':'1.2.3.4', 'port':'6000', 'device':'sda'}
part = '0'
account = 'a'
container = 'c'
name = 'o'
contents = StringIO.StringIO('123456')
was_http_connector = direct_client.http_connect
direct_client.http_connect = mock_http_connect(200)
direct_client.direct_delete_object(node, part, account, container, name)
direct_client.http_connect = was_http_connector
def test_direct_put_object(self):
node = {'ip':'1.2.3.4', 'port':'6000', 'device':'sda'}
part = '0'
account = 'a'
container = 'c'
name = 'o'
contents = StringIO.StringIO('123456')
was_http_connector = direct_client.http_connect
direct_client.http_connect = mock_http_connect(200)
resp = direct_client.direct_put_object(node, part, account,
container, name, contents, 6)
self.assertEqual(md5('123456').hexdigest(), resp)
direct_client.http_connect = was_http_connector
def test_direct_put_object_fail(self):
node = {'ip':'1.2.3.4', 'port':'6000', 'device':'sda'}
part = '0'
account = 'a'
container = 'c'
name = 'o'
contents = StringIO.StringIO('123456')
was_http_connector = direct_client.http_connect
direct_client.http_connect = mock_http_connect(500)
self.assertRaises(direct_client.ClientException,\
direct_client.direct_put_object, node, part, account,\
container, name, contents)
direct_client.http_connect = was_http_connector
def test_direct_put_object_chunked(self):
node = {'ip':'1.2.3.4', 'port':'6000', 'device':'sda'}
part = '0'
account = 'a'
container = 'c'
name = 'o'
contents = StringIO.StringIO('123456')
was_http_connector = direct_client.http_connect
direct_client.http_connect = mock_http_connect(200)
resp = direct_client.direct_put_object(node, part, account,\
container, name, contents)
self.assertEqual(md5('6\r\n123456\r\n0\r\n\r\n').hexdigest(), resp)
direct_client.http_connect = was_http_connector
def test_retry(self):
node = {'ip':'1.2.3.4', 'port':'6000', 'device':'sda'}
part = '0'
account = 'a'
container = 'c'
name = 'o'
contents = StringIO.StringIO('123456')
headers = {'key':'value'}
was_http_connector = direct_client.http_connect
direct_client.http_connect = mock_http_connect(200, headers)
attempts, resp = direct_client.retry(direct_client.direct_head_object,\
node, part, account, container, name)
headers.update({'user-agent':'direct-client %s' % os.getpid()})
self.assertEqual(headers, resp)
self.assertEqual(attempts, 1)
direct_client.http_connect = was_http_connector
if __name__ == '__main__':
unittest.main()