1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
# Copyright (c) 2010-2012 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Tests for swift.common.request_helpers"""
import unittest
from swift.common.swob import Request, HTTPException
from swift.common.storage_policy import POLICIES, EC_POLICY, REPL_POLICY
from swift.common.request_helpers import is_sys_meta, is_user_meta, \
is_sys_or_user_meta, strip_sys_meta_prefix, strip_user_meta_prefix, \
remove_items, copy_header_subset, get_name_and_placement
from test.unit import patch_policies
server_types = ['account', 'container', 'object']
class TestRequestHelpers(unittest.TestCase):
def test_is_user_meta(self):
m_type = 'meta'
for st in server_types:
self.assertTrue(is_user_meta(st, 'x-%s-%s-foo' % (st, m_type)))
self.assertFalse(is_user_meta(st, 'x-%s-%s-' % (st, m_type)))
self.assertFalse(is_user_meta(st, 'x-%s-%sfoo' % (st, m_type)))
def test_is_sys_meta(self):
m_type = 'sysmeta'
for st in server_types:
self.assertTrue(is_sys_meta(st, 'x-%s-%s-foo' % (st, m_type)))
self.assertFalse(is_sys_meta(st, 'x-%s-%s-' % (st, m_type)))
self.assertFalse(is_sys_meta(st, 'x-%s-%sfoo' % (st, m_type)))
def test_is_sys_or_user_meta(self):
m_types = ['sysmeta', 'meta']
for mt in m_types:
for st in server_types:
self.assertTrue(is_sys_or_user_meta(st, 'x-%s-%s-foo'
% (st, mt)))
self.assertFalse(is_sys_or_user_meta(st, 'x-%s-%s-'
% (st, mt)))
self.assertFalse(is_sys_or_user_meta(st, 'x-%s-%sfoo'
% (st, mt)))
def test_strip_sys_meta_prefix(self):
mt = 'sysmeta'
for st in server_types:
self.assertEquals(strip_sys_meta_prefix(st, 'x-%s-%s-a'
% (st, mt)), 'a')
def test_strip_user_meta_prefix(self):
mt = 'meta'
for st in server_types:
self.assertEquals(strip_user_meta_prefix(st, 'x-%s-%s-a'
% (st, mt)), 'a')
def test_remove_items(self):
src = {'a': 'b',
'c': 'd'}
test = lambda x: x == 'a'
rem = remove_items(src, test)
self.assertEquals(src, {'c': 'd'})
self.assertEquals(rem, {'a': 'b'})
def test_copy_header_subset(self):
src = {'a': 'b',
'c': 'd'}
from_req = Request.blank('/path', environ={}, headers=src)
to_req = Request.blank('/path', {})
test = lambda x: x.lower() == 'a'
copy_header_subset(from_req, to_req, test)
self.assertTrue('A' in to_req.headers)
self.assertEqual(to_req.headers['A'], 'b')
self.assertFalse('c' in to_req.headers)
self.assertFalse('C' in to_req.headers)
@patch_policies(with_ec_default=True)
def test_get_name_and_placement_object_req(self):
path = '/device/part/account/container/object'
req = Request.blank(path, headers={
'X-Backend-Storage-Policy-Index': '0'})
device, part, account, container, obj, policy = \
get_name_and_placement(req, 5, 5, True)
self.assertEqual(device, 'device')
self.assertEqual(part, 'part')
self.assertEqual(account, 'account')
self.assertEqual(container, 'container')
self.assertEqual(obj, 'object')
self.assertEqual(policy, POLICIES[0])
self.assertEqual(policy.policy_type, EC_POLICY)
req.headers['X-Backend-Storage-Policy-Index'] = 1
device, part, account, container, obj, policy = \
get_name_and_placement(req, 5, 5, True)
self.assertEqual(device, 'device')
self.assertEqual(part, 'part')
self.assertEqual(account, 'account')
self.assertEqual(container, 'container')
self.assertEqual(obj, 'object')
self.assertEqual(policy, POLICIES[1])
self.assertEqual(policy.policy_type, REPL_POLICY)
req.headers['X-Backend-Storage-Policy-Index'] = 'foo'
try:
device, part, account, container, obj, policy = \
get_name_and_placement(req, 5, 5, True)
except HTTPException as e:
self.assertEqual(e.status_int, 503)
self.assertEqual(str(e), '503 Service Unavailable')
self.assertEqual(e.body, "No policy with index foo")
else:
self.fail('get_name_and_placement did not raise error '
'for invalid storage policy index')
@patch_policies(with_ec_default=True)
def test_get_name_and_placement_object_replication(self):
# yup, suffixes are sent '-'.joined in the path
path = '/device/part/012-345-678-9ab-cde'
req = Request.blank(path, headers={
'X-Backend-Storage-Policy-Index': '0'})
device, partition, suffix_parts, policy = \
get_name_and_placement(req, 2, 3, True)
self.assertEqual(device, 'device')
self.assertEqual(partition, 'part')
self.assertEqual(suffix_parts, '012-345-678-9ab-cde')
self.assertEqual(policy, POLICIES[0])
self.assertEqual(policy.policy_type, EC_POLICY)
path = '/device/part'
req = Request.blank(path, headers={
'X-Backend-Storage-Policy-Index': '1'})
device, partition, suffix_parts, policy = \
get_name_and_placement(req, 2, 3, True)
self.assertEqual(device, 'device')
self.assertEqual(partition, 'part')
self.assertEqual(suffix_parts, None) # false-y
self.assertEqual(policy, POLICIES[1])
self.assertEqual(policy.policy_type, REPL_POLICY)
path = '/device/part/' # with a trailing slash
req = Request.blank(path, headers={
'X-Backend-Storage-Policy-Index': '1'})
device, partition, suffix_parts, policy = \
get_name_and_placement(req, 2, 3, True)
self.assertEqual(device, 'device')
self.assertEqual(partition, 'part')
self.assertEqual(suffix_parts, '') # still false-y
self.assertEqual(policy, POLICIES[1])
self.assertEqual(policy.policy_type, REPL_POLICY)
|
