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# Copyright 2013 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 webob
from nova.compute import vm_states
import nova.context
from nova import exception
from nova.openstack.common import jsonutils
from nova.openstack.common import timeutils
from nova.openstack.common import uuidutils
from nova import test
from nova.tests import fake_instance
class CommonMixin(object):
def setUp(self):
super(CommonMixin, self).setUp()
self.compute_api = None
self.context = nova.context.RequestContext('fake', 'fake')
def _make_request(self, url, body):
req = webob.Request.blank('/v3' + url)
req.method = 'POST'
req.body = jsonutils.dumps(body)
req.content_type = 'application/json'
return req.get_response(self.app)
def _stub_instance_get(self, uuid=None):
if uuid is None:
uuid = uuidutils.generate_uuid()
instance = fake_instance.fake_instance_obj(self.context,
id=1, uuid=uuid, vm_state=vm_states.ACTIVE,
task_state=None, launched_at=timeutils.utcnow())
self.compute_api.get(self.context, uuid, expected_attrs=None,
want_objects=True).AndReturn(instance)
return instance
def _stub_instance_get_failure(self, exc_info, uuid=None):
if uuid is None:
uuid = uuidutils.generate_uuid()
self.compute_api.get(self.context, uuid, expected_attrs=None,
want_objects=True).AndRaise(exc_info)
return uuid
def _test_non_existing_instance(self, action, body_map=None):
uuid = uuidutils.generate_uuid()
self._stub_instance_get_failure(
exception.InstanceNotFound(instance_id=uuid), uuid=uuid)
self.mox.ReplayAll()
res = self._make_request('/servers/%s/action' % uuid,
{action: body_map.get(action)})
self.assertEqual(404, res.status_int)
# Do these here instead of tearDown because this method is called
# more than once for the same test case
self.mox.VerifyAll()
self.mox.UnsetStubs()
def _test_action(self, action, body=None, method=None,
compute_api_args_map={}):
if method is None:
method = action
instance = self._stub_instance_get()
args, kwargs = compute_api_args_map.get(action, ((), {}))
getattr(self.compute_api, method)(self.context, instance, *args,
**kwargs)
self.mox.ReplayAll()
res = self._make_request('/servers/%s/action' % instance.uuid,
{action: body})
self.assertEqual(202, res.status_int)
# Do these here instead of tearDown because this method is called
# more than once for the same test case
self.mox.VerifyAll()
self.mox.UnsetStubs()
def _test_invalid_state(self, action, method=None, body_map=None,
compute_api_args_map=None):
if method is None:
method = action
if body_map is None:
body_map = {}
if compute_api_args_map is None:
compute_api_args_map = {}
instance = self._stub_instance_get()
args, kwargs = compute_api_args_map.get(action, ((), {}))
getattr(self.compute_api, method)(self.context, instance,
*args, **kwargs).AndRaise(
exception.InstanceInvalidState(
attr='vm_state', instance_uuid=instance.uuid,
state='foo', method=method))
self.mox.ReplayAll()
res = self._make_request('/servers/%s/action' % instance.uuid,
{action: body_map.get(action)})
self.assertEqual(409, res.status_int)
self.assertIn("Cannot \'%s\' while instance" % action, res.body)
# Do these here instead of tearDown because this method is called
# more than once for the same test case
self.mox.VerifyAll()
self.mox.UnsetStubs()
def _test_locked_instance(self, action, method=None, body=None,
compute_api_args_map={}):
if method is None:
method = action
instance = self._stub_instance_get()
args, kwargs = compute_api_args_map.get(action, ((), {}))
getattr(self.compute_api, method)(self.context, instance, *args,
**kwargs).AndRaise(
exception.InstanceIsLocked(instance_uuid=instance.uuid))
self.mox.ReplayAll()
res = self._make_request('/servers/%s/action' % instance.uuid,
{action: body})
self.assertEqual(409, res.status_int)
# Do these here instead of tearDown because this method is called
# more than once for the same test case
self.mox.VerifyAll()
self.mox.UnsetStubs()
def _test_instance_not_found_in_compute_api(self, action,
method=None, body=None, compute_api_args_map={}):
if method is None:
method = action
instance = self._stub_instance_get()
args, kwargs = compute_api_args_map.get(action, ((), {}))
getattr(self.compute_api, method)(self.context, instance, *args,
**kwargs).AndRaise(
exception.InstanceNotFound(instance_id=instance.uuid))
self.mox.ReplayAll()
res = self._make_request('/servers/%s/action' % instance.uuid,
{action: body})
self.assertEqual(404, res.status_int)
# Do these here instead of tearDown because this method is called
# more than once for the same test case
self.mox.VerifyAll()
self.mox.UnsetStubs()
class CommonTests(CommonMixin, test.NoDBTestCase):
def _test_actions(self, actions, method_translations={}, body_map={},
args_map={}):
for action in actions:
method = method_translations.get(action)
body = body_map.get(action)
self.mox.StubOutWithMock(self.compute_api, method or action)
self._test_action(action, method=method, body=body,
compute_api_args_map=args_map)
# Re-mock this.
self.mox.StubOutWithMock(self.compute_api, 'get')
def _test_actions_instance_not_found_in_compute_api(self,
actions, method_translations={}, body_map={}, args_map={}):
for action in actions:
method = method_translations.get(action)
body = body_map.get(action)
self.mox.StubOutWithMock(self.compute_api, method or action)
self._test_instance_not_found_in_compute_api(
action, method=method, body=body,
compute_api_args_map=args_map)
# Re-mock this.
self.mox.StubOutWithMock(self.compute_api, 'get')
def _test_actions_with_non_existed_instance(self, actions, body_map={}):
for action in actions:
self._test_non_existing_instance(action,
body_map=body_map)
# Re-mock this.
self.mox.StubOutWithMock(self.compute_api, 'get')
def _test_actions_raise_conflict_on_invalid_state(
self, actions, method_translations={}, body_map={}, args_map={}):
for action in actions:
method = method_translations.get(action)
self.mox.StubOutWithMock(self.compute_api, method or action)
self._test_invalid_state(action, method=method,
body_map=body_map,
compute_api_args_map=args_map)
# Re-mock this.
self.mox.StubOutWithMock(self.compute_api, 'get')
def _test_actions_with_locked_instance(self, actions,
method_translations={},
body_map={}, args_map={}):
for action in actions:
method = method_translations.get(action)
body = body_map.get(action)
self.mox.StubOutWithMock(self.compute_api, method or action)
self._test_locked_instance(action, method=method, body=body,
compute_api_args_map=args_map)
# Re-mock this.
self.mox.StubOutWithMock(self.compute_api, 'get')
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