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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# 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.
from heat.common import exception as heat_exc
from heat.openstack.common.rpc import common as rpc_common
from heat.tests.common import HeatTestCase
from oslo.config import cfg
import heat.api.middleware.fault as fault
class FaultMiddlewareTest(HeatTestCase):
def test_openstack_exception_with_kwargs(self):
wrapper = fault.FaultWrapper(None)
msg = wrapper._error(heat_exc.StackNotFound(stack_name='a'))
expected = {'code': 404,
'error': {'message': 'The Stack (a) could not be found.',
'traceback': 'None\n',
'type': 'StackNotFound'},
'explanation': 'The resource could not be found.',
'title': 'Not Found'}
self.assertEqual(msg, expected)
def test_openstack_exception_without_kwargs(self):
wrapper = fault.FaultWrapper(None)
msg = wrapper._error(heat_exc.NoServiceEndpoint())
expected = {'code': 500,
'error': {'message': 'Response from Keystone does '
'not contain a Heat endpoint.',
'traceback': 'None\n',
'type': 'NoServiceEndpoint'},
'explanation': 'The server has either erred or is '
'incapable of performing the requested '
'operation.',
'title': 'Internal Server Error'}
self.assertEqual(msg, expected)
def test_remote_exception(self):
error = heat_exc.StackNotFound(stack_name='a')
exc_info = (type(error), error, None)
serialized = rpc_common.serialize_remote_exception(exc_info)
remote_error = rpc_common.deserialize_remote_exception(cfg.CONF,
serialized)
wrapper = fault.FaultWrapper(None)
msg = wrapper._error(remote_error)
expected_message, expected_traceback = str(remote_error).split('\n', 1)
expected = {'code': 404,
'error': {'message': expected_message,
'traceback': expected_traceback,
'type': 'StackNotFound'},
'explanation': 'The resource could not be found.',
'title': 'Not Found'}
self.assertEqual(msg, expected)
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