RETIRED, Function as a Service for OpenStack
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

308 lines
12 KiB

# Copyright 2018 AWCloud Software Co., Ltd.
#
# 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 os
from unittest import mock
from oslo_config import cfg
from qinling import config
from qinling import exceptions as exc
from qinling.storage import file_system
from qinling.tests.unit import base
from qinling.utils import common
CONF = cfg.CONF
FAKE_STORAGE_PATH = 'TMP_DIR'
class TestFileSystemStorage(base.BaseTest):
def setUp(self):
super(TestFileSystemStorage, self).setUp()
CONF.register_opts(config.storage_opts, config.STORAGE_GROUP)
self.override_config('file_system_dir', FAKE_STORAGE_PATH, 'storage')
self.project_id = base.DEFAULT_PROJECT_ID
self.storage = file_system.FileSystemStorage(CONF)
@mock.patch('oslo_utils.fileutils.ensure_tree')
@mock.patch('os.rename')
@mock.patch('qinling.storage.file_system.open')
@mock.patch('zipfile.is_zipfile')
def test_store(self, is_zipfile_mock, open_mock, rename_mock,
ensure_tree_mock):
is_zipfile_mock.return_value = True
fake_fd = mock.Mock()
open_mock.return_value.__enter__.return_value = fake_fd
function = self.rand_name('function', prefix='TestFileSystemStorage')
# For python3, data should be encoded into bytes before hashing.
function_data = "Some data".encode('utf8')
md5 = common.md5(content=function_data)
package_updated, ret_md5 = self.storage.store(
self.project_id, function, function_data
)
self.assertTrue(package_updated)
self.assertEqual(md5, ret_md5)
temp_package_path = os.path.join(FAKE_STORAGE_PATH, self.project_id,
'%s.zip.new' % function)
package_path = os.path.join(
FAKE_STORAGE_PATH,
file_system.PACKAGE_PATH_TEMPLATE % (self.project_id, function,
md5)
)
ensure_tree_mock.assert_called_once_with(
os.path.join(FAKE_STORAGE_PATH, self.project_id)
)
fake_fd.write.assert_called_once_with(function_data)
is_zipfile_mock.assert_called_once_with(temp_package_path)
rename_mock.assert_called_once_with(temp_package_path, package_path)
@mock.patch('oslo_utils.fileutils.ensure_tree')
@mock.patch('os.path.exists')
def test_store_zip_exists(self, exists_mock, ensure_tree_mock):
function = self.rand_name('function', prefix='TestFileSystemStorage')
function_data = "Some data".encode('utf8')
md5 = common.md5(content=function_data)
exists_mock.return_value = True
package_updated, ret_md5 = self.storage.store(
self.project_id, function, function_data
)
self.assertFalse(package_updated)
self.assertEqual(md5, ret_md5)
package_path = os.path.join(
FAKE_STORAGE_PATH,
file_system.PACKAGE_PATH_TEMPLATE % (self.project_id, function,
md5)
)
exists_mock.assert_called_once_with(package_path)
@mock.patch('oslo_utils.fileutils.ensure_tree')
def test_store_md5_mismatch(self, ensure_tree_mock):
function = self.rand_name('function', prefix='TestFileSystemStorage')
# For python3, data should be encoded into bytes before hashing.
function_data = "Some data".encode('utf8')
not_a_md5sum = "Not a md5sum"
self.assertRaisesRegex(
exc.InputException,
"^Package md5 mismatch\.$",
self.storage.store,
self.project_id, function, function_data, md5sum=not_a_md5sum)
ensure_tree_mock.assert_called_once_with(
os.path.join(FAKE_STORAGE_PATH, self.project_id))
@mock.patch('oslo_utils.fileutils.delete_if_exists')
@mock.patch('oslo_utils.fileutils.ensure_tree')
@mock.patch('qinling.storage.file_system.open')
@mock.patch('zipfile.is_zipfile')
def test_store_invalid_zip_package(
self, is_zipfile_mock, open_mock,
ensure_tree_mock, delete_if_exists_mock
):
is_zipfile_mock.return_value = False
fake_fd = mock.Mock()
open_mock.return_value.__enter__.return_value = fake_fd
function = self.rand_name('function', prefix='TestFileSystemStorage')
# For python3, data should be encoded into bytes before hashing.
function_data = "Some data".encode('utf8')
self.assertRaisesRegex(
exc.InputException,
"^Package is not a valid ZIP package\.$",
self.storage.store,
self.project_id, function, function_data)
ensure_tree_mock.assert_called_once_with(
os.path.join(FAKE_STORAGE_PATH, self.project_id))
fake_fd.write.assert_called_once_with(function_data)
delete_if_exists_mock.assert_called_once_with(
os.path.join(FAKE_STORAGE_PATH, self.project_id,
'%s.zip.new' % function))
@mock.patch('os.path.exists')
@mock.patch('qinling.storage.file_system.open')
def test_retrieve(self, open_mock, exists_mock):
exists_mock.return_value = True
fake_fd = mock.Mock()
open_mock.return_value = fake_fd
function = self.rand_name('function', prefix='TestFileSystemStorage')
ret = self.storage.retrieve(self.project_id, function, "fake_md5")
package_path = os.path.join(
FAKE_STORAGE_PATH,
file_system.PACKAGE_PATH_TEMPLATE % (self.project_id, function,
"fake_md5")
)
exists_mock.assert_called_once_with(package_path)
open_mock.assert_called_once_with(package_path, 'rb')
self.assertEqual(fake_fd, ret)
@mock.patch('os.path.exists')
def test_retrieve_package_not_found(self, exists_mock):
exists_mock.return_value = False
function = self.rand_name('function', prefix='TestFileSystemStorage')
self.assertRaisesRegex(
exc.StorageNotFoundException,
"^Package of function %s for project %s not found\.$" % (
function, self.project_id),
self.storage.retrieve,
self.project_id,
function,
"fake_md5"
)
package_path = os.path.join(
FAKE_STORAGE_PATH,
file_system.PACKAGE_PATH_TEMPLATE % (self.project_id, function,
"fake_md5")
)
exists_mock.assert_called_once_with(package_path)
@mock.patch('qinling.storage.file_system.open')
@mock.patch('os.path.exists')
@mock.patch('os.listdir')
def test_retrieve_version(self, mock_list, mock_exist, mock_open):
function = "fake_function_id"
version = 1
md5 = "md5"
mock_list.return_value = ["%s_%s_%s.zip" % (function, version, md5)]
mock_exist.return_value = True
self.storage.retrieve(self.project_id, function, None,
version=version)
version_zip = os.path.join(FAKE_STORAGE_PATH, self.project_id,
"%s_%s_%s.zip" % (function, version, md5))
mock_exist.assert_called_once_with(version_zip)
@mock.patch('os.listdir')
def test_retrieve_version_not_found(self, mock_list):
function = "fake_function_id"
version = 1
mock_list.return_value = [""]
self.assertRaises(
exc.StorageNotFoundException,
self.storage.retrieve,
function,
self.project_id,
None,
version=version
)
@mock.patch('os.path.exists')
@mock.patch('os.remove')
def test_delete(self, remove_mock, exists_mock):
exists_mock.return_value = True
function = self.rand_name('function', prefix='TestFileSystemStorage')
self.storage.delete(self.project_id, function, "fake_md5")
package_path = os.path.join(
FAKE_STORAGE_PATH,
file_system.PACKAGE_PATH_TEMPLATE % (self.project_id, function,
"fake_md5")
)
exists_mock.assert_called_once_with(package_path)
remove_mock.assert_called_once_with(package_path)
@mock.patch('os.path.exists')
@mock.patch('os.remove')
@mock.patch('os.listdir')
def test_delete_with_version(self, mock_list, remove_mock, exists_mock):
exists_mock.return_value = True
function = self.rand_name('function', prefix='TestFileSystemStorage')
version = 1
mock_list.return_value = ["%s_%s_md5.zip" % (function, version)]
self.storage.delete(self.project_id, function, "fake_md5", version=1)
package_path = os.path.join(
FAKE_STORAGE_PATH,
self.project_id,
file_system.PACKAGE_VERSION_TEMPLATE % (function, version, "md5")
)
exists_mock.assert_called_once_with(package_path)
remove_mock.assert_called_once_with(package_path)
@mock.patch('os.path.exists')
@mock.patch('os.remove')
def test_delete_package_not_exists(self, remove_mock, exists_mock):
exists_mock.return_value = False
function = self.rand_name('function', prefix='TestFileSystemStorage')
self.storage.delete(self.project_id, function, "fake_md5")
package_path = os.path.join(
FAKE_STORAGE_PATH,
file_system.PACKAGE_PATH_TEMPLATE % (self.project_id, function,
"fake_md5")
)
exists_mock.assert_called_once_with(package_path)
remove_mock.assert_not_called()
def test_changed_since_first_version(self):
ret = self.storage.changed_since(self.project_id, "fake_function",
"fake_md5", 0)
self.assertTrue(ret)
@mock.patch('os.path.exists')
def test_changed_since_exists(self, mock_exists):
mock_exists.return_value = True
ret = self.storage.changed_since(self.project_id, "fake_function",
"fake_md5", 1)
self.assertFalse(ret)
expect_path = os.path.join(FAKE_STORAGE_PATH, self.project_id,
"fake_function_1_fake_md5.zip")
mock_exists.assert_called_once_with(expect_path)
@mock.patch('os.path.exists')
def test_changed_since_not_exists(self, mock_exists):
mock_exists.return_value = False
ret = self.storage.changed_since(self.project_id, "fake_function",
"fake_md5", 1)
self.assertTrue(ret)
expect_path = os.path.join(FAKE_STORAGE_PATH, self.project_id,
"fake_function_1_fake_md5.zip")
mock_exists.assert_called_once_with(expect_path)
@mock.patch("shutil.copyfile")
def test_copy(self, mock_copy):
self.storage.copy(self.project_id, "fake_function", "fake_md5", 0)
expect_src = os.path.join(FAKE_STORAGE_PATH, self.project_id,
"fake_function_fake_md5.zip")
expect_dest = os.path.join(FAKE_STORAGE_PATH, self.project_id,
"fake_function_1_fake_md5.zip")
mock_copy.assert_called_once_with(expect_src, expect_dest)