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# Copyright 2016 OpenStack, LLC
# All Rights Reserved.
#
# 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 the backend store API's"""
from unittest import mock
from glance_store import backend
from glance_store import exceptions
from glance_store.tests import base
class TestStoreAddToBackend(base.StoreBaseTest):
def setUp(self):
super(TestStoreAddToBackend, self).setUp()
self.image_id = "animage"
self.data = "dataandstuff"
self.size = len(self.data)
self.location = "file:///ab/cde/fgh"
self.checksum = "md5"
self.multihash = 'multihash'
self.default_hash_algo = 'md5'
self.hash_algo = 'sha256'
def _bad_metadata(self, in_metadata):
mstore = mock.Mock()
mstore.add.return_value = (self.location, self.size, self.checksum,
in_metadata)
mstore.__str__ = lambda self: "hello"
mstore.__unicode__ = lambda self: "hello"
self.assertRaises(exceptions.BackendException,
backend.store_add_to_backend,
self.image_id,
self.data,
self.size,
mstore)
mstore.add.assert_called_once_with(self.image_id, mock.ANY,
self.size,
context=None, verifier=None)
newstore = mock.Mock()
newstore.add.return_value = (self.location, self.size, self.checksum,
self.multihash, in_metadata)
newstore.__str__ = lambda self: "hello"
newstore.__unicode__ = lambda self: "hello"
self.assertRaises(exceptions.BackendException,
backend.store_add_to_backend_with_multihash,
self.image_id,
self.data,
self.size,
self.hash_algo,
newstore)
newstore.add.assert_called_once_with(self.image_id, mock.ANY,
self.size, self.hash_algo,
context=None, verifier=None)
def _good_metadata(self, in_metadata):
mstore = mock.Mock()
mstore.add.return_value = (self.location, self.size, self.checksum,
in_metadata)
(location,
size,
checksum,
metadata) = backend.store_add_to_backend(self.image_id,
self.data,
self.size,
mstore)
mstore.add.assert_called_once_with(self.image_id, mock.ANY,
self.size, context=None,
verifier=None)
self.assertEqual(self.location, location)
self.assertEqual(self.size, size)
self.assertEqual(self.checksum, checksum)
self.assertEqual(in_metadata, metadata)
newstore = mock.Mock()
newstore.add.return_value = (self.location, self.size, self.checksum,
self.multihash, in_metadata)
(location,
size,
checksum,
multihash,
metadata) = backend.store_add_to_backend_with_multihash(
self.image_id,
self.data,
self.size,
self.hash_algo,
newstore)
newstore.add.assert_called_once_with(self.image_id, mock.ANY,
self.size, self.hash_algo,
context=None, verifier=None)
self.assertEqual(self.location, location)
self.assertEqual(self.size, size)
self.assertEqual(self.checksum, checksum)
self.assertEqual(self.multihash, multihash)
self.assertEqual(in_metadata, metadata)
def test_empty(self):
metadata = {}
self._good_metadata(metadata)
def test_string(self):
metadata = {'key': 'somevalue'}
self._good_metadata(metadata)
def test_list(self):
m = {'key': ['somevalue', '2']}
self._good_metadata(m)
def test_unicode_dict(self):
inner = {'key1': 'somevalue', 'key2': 'somevalue'}
m = {'topkey': inner}
self._good_metadata(m)
def test_unicode_dict_list(self):
inner = {'key1': 'somevalue', 'key2': 'somevalue'}
m = {'topkey': inner, 'list': ['somevalue', '2'], 'u': '2'}
self._good_metadata(m)
def test_nested_dict(self):
inner = {'key1': 'somevalue', 'key2': 'somevalue'}
inner = {'newkey': inner}
inner = {'anotherkey': inner}
m = {'topkey': inner}
self._good_metadata(m)
def test_bad_top_level_nonunicode(self):
metadata = {'key': b'a string'}
self._bad_metadata(metadata)
def test_bad_nonunicode_dict_list(self):
inner = {'key1': 'somevalue', 'key2': 'somevalue',
'k3': [1, object()]}
m = {'topkey': inner, 'list': ['somevalue', '2'], 'u': '2'}
self._bad_metadata(m)
def test_bad_metadata_not_dict(self):
self._bad_metadata([])
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