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# Copyright 2014 IBM Corp.
#
# 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 mock
import os
import pkg_resources
from six.moves import configparser as config_parser
import trove
from trove.common import extensions
from trove.extensions.routes.account import Account
from trove.extensions.routes.mgmt import Mgmt
from trove.extensions.routes.mysql import Mysql
from trove.tests.unittests import trove_testtools
DEFAULT_EXTENSION_MAP = {
'Account': [Account, extensions.ExtensionDescriptor],
'Mgmt': [Mgmt, extensions.ExtensionDescriptor],
'MYSQL': [Mysql, extensions.ExtensionDescriptor]
}
EP_TEXT = '''
account = trove.extensions.routes.account:Account
mgmt = trove.extensions.routes.mgmt:Mgmt
mysql = trove.extensions.routes.mysql:Mysql
invalid = trove.tests.unittests.api.common.test_extensions:InvalidExtension
'''
class InvalidExtension(object):
def get_name(self):
return "Invalid"
def get_description(self):
return "Invalid Extension"
def get_alias(self):
return "Invalid"
def get_namespace(self):
return "http://TBD"
def get_updated(self):
return "2014-08-14T13:25:27-06:00"
def get_resources(self):
return []
class TestExtensionLoading(trove_testtools.TestCase):
def setUp(self):
super(TestExtensionLoading, self).setUp()
def tearDown(self):
super(TestExtensionLoading, self).tearDown()
def _assert_default_extensions(self, ext_list):
for alias, ext in ext_list.items():
for clazz in DEFAULT_EXTENSION_MAP[alias]:
self.assertIsInstance(ext, clazz, "Improper extension class")
@mock.patch("pkg_resources.iter_entry_points")
def test_default_extensions(self, mock_iter_eps):
trove_base = os.path.abspath(os.path.join(
os.path.dirname(trove.__file__), ".."))
setup_path = "%s/setup.cfg" % trove_base
# check if we are running as unit test without module installed
if os.path.isfile(setup_path):
parser = config_parser.ConfigParser()
parser.read(setup_path)
entry_points = parser.get(
'entry_points', extensions.ExtensionManager.EXT_NAMESPACE)
eps = pkg_resources.EntryPoint.parse_group('plugins', entry_points)
mock_iter_eps.return_value = eps.values()
extension_mgr = extensions.ExtensionManager()
self.assertEqual(sorted(DEFAULT_EXTENSION_MAP.keys()),
sorted(extension_mgr.extensions.keys()),
"Invalid extension names")
self._assert_default_extensions(extension_mgr.extensions)
@mock.patch("pkg_resources.iter_entry_points")
def test_invalid_extension(self, mock_iter_eps):
eps = pkg_resources.EntryPoint.parse_group('mock', EP_TEXT)
mock_iter_eps.return_value = eps.values()
extension_mgr = extensions.ExtensionManager()
self.assertEqual(len(DEFAULT_EXTENSION_MAP.keys()),
len(extension_mgr.extensions),
"Loaded invalid extensions")
self._assert_default_extensions(extension_mgr.extensions)
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