def test_service_check_create_race(self):
self.manager_mock = self.mox.CreateMock(FakeManager)
self.mox.StubOutWithMock(sys.modules[__name__],
'FakeManager',
use_mock_anything=True)
self.mox.StubOutWithMock(self.manager_mock, 'init_host')
self.mox.StubOutWithMock(self.manager_mock, 'pre_start_hook')
self.mox.StubOutWithMock(self.manager_mock, 'post_start_hook')
FakeManager(host=self.host).AndReturn(self.manager_mock)
# init_host is called before any service record is created
self.manager_mock.init_host()
db.service_get_by_args(mox.IgnoreArg(), self.host,
self.binary).AndRaise(exception.NotFound)
ex = exception.ServiceTopicExists(host='foo', topic='bar')
db.service_create(mox.IgnoreArg(), mox.IgnoreArg()).AndRaise(ex)
class TestException(Exception):
pass
db.service_get_by_args(mox.IgnoreArg(), self.host,
self.binary).AndRaise(TestException)
self.mox.ReplayAll()
serv = service.Service(self.host, self.binary, self.topic,
'nova.tests.test_service.FakeManager')
self.assertRaises(TestException, serv.start)
def service_create(context, values):
print("creating a service with following properties: %s" % (values))
service_ref = models.Service()
service_ref.update(values)
if not CONF.enable_new_services:
service_ref.disabled = True
try:
service_ref.save(context.session)
except db_exc.DBDuplicateEntry as e:
if 'binary' in e.columns:
raise exception.ServiceBinaryExists(host=values.get('host'),
binary=values.get('binary'))
raise exception.ServiceTopicExists(host=values.get('host'),
topic=values.get('topic'))
return service_ref
def test_service_check_create_race_topic_exists(self):
ex = exception.ServiceTopicExists(host='foo', topic='bar')
self._test_service_check_create_race(ex)
