def test_serializer(self): endpoint = _FakeEndpoint() serializer = msg_serializer.NoOpSerializer() target = oslo_messaging.Target() dispatcher = oslo_messaging.RPCDispatcher(target, [endpoint], serializer) self.mox.StubOutWithMock(endpoint, 'foo') args = dict([(k, 'd' + v) for k, v in self.args.items()]) endpoint.foo(self.dctxt, **args).AndReturn(self.retval) self.mox.StubOutWithMock(serializer, 'serialize_entity') self.mox.StubOutWithMock(serializer, 'deserialize_entity') self.mox.StubOutWithMock(serializer, 'deserialize_context') serializer.deserialize_context(self.ctxt).AndReturn(self.dctxt) for arg in self.args: serializer.deserialize_entity(self.dctxt, arg).AndReturn('d' + arg) serializer.serialize_entity(self.dctxt, self.retval).\ AndReturn('s' + self.retval if self.retval else None) self.mox.ReplayAll() retval = dispatcher._dispatch(self.ctxt, dict(method='foo', args=self.args)) if self.retval is not None: self.assertEqual('s' + self.retval, retval)
def test_dispatcher_with_ping(self): self.config(rpc_ping_enabled=True) dispatcher = oslo_messaging.RPCDispatcher([], None, None) incoming = mock.Mock(ctxt={}, message=dict(method='oslo_rpc_server_ping'), client_timeout=0) res = dispatcher.dispatch(incoming) self.assertEqual('pong', res)
def test_dispatcher(self): def _set_endpoint_mock_properties(endpoint): endpoint.foo = mock.Mock(spec=dir(_FakeEndpoint.foo)) # mock doesn't pick up the decorated method. endpoint.bar = mock.Mock(spec=dir(_FakeEndpoint.bar)) endpoint.bar.exposed = mock.PropertyMock(return_value=True) endpoint._foobar = mock.Mock(spec=dir(_FakeEndpoint._foobar)) return endpoint endpoints = [ _set_endpoint_mock_properties( mock.Mock(spec=_FakeEndpoint, target=oslo_messaging.Target(**e))) for e in self.endpoints ] serializer = None dispatcher = oslo_messaging.RPCDispatcher(endpoints, serializer, self.access_policy) incoming = mock.Mock(ctxt=self.ctxt, message=self.msg, client_timeout=0) res = None try: res = dispatcher.dispatch(incoming) except Exception as ex: self.assertFalse(self.success, ex) self.assertIsNotNone(self.ex, ex) self.assertIsInstance(ex, self.ex, ex) if isinstance(ex, oslo_messaging.NoSuchMethod): self.assertEqual(self.msg.get('method'), ex.method) elif isinstance(ex, oslo_messaging.UnsupportedVersion): self.assertEqual(self.msg.get('version', '1.0'), ex.version) if ex.method: self.assertEqual(self.msg.get('method'), ex.method) else: self.assertTrue(self.success, "Unexpected success of operation during testing") self.assertIsNotNone(res) for n, endpoint in enumerate(endpoints): for method_name in self.exposed_methods: method = getattr(endpoint, method_name) if self.dispatch_to and n == self.dispatch_to['endpoint'] and \ method_name == self.dispatch_to['method'] and \ method_name in self.exposed_methods: method.assert_called_once_with(self.ctxt, **self.msg.get('args', {})) else: self.assertEqual(0, method.call_count, 'method: {}'.format(method))
def test_dispatcher_with_ping_already_used(self): class MockEndpoint(object): def oslo_rpc_server_ping(self, ctxt, **kwargs): return 'not_pong' mockEndpoint = MockEndpoint() self.config(rpc_ping_enabled=True) dispatcher = oslo_messaging.RPCDispatcher([mockEndpoint], None, None) incoming = mock.Mock(ctxt={}, message=dict(method='oslo_rpc_server_ping'), client_timeout=0) res = dispatcher.dispatch(incoming) self.assertEqual('not_pong', res)
def test_dispatcher(self): endpoints = [ mock.Mock(spec=_FakeEndpoint, target=oslo_messaging.Target(**e)) for e in self.endpoints ] serializer = None target = oslo_messaging.Target() dispatcher = oslo_messaging.RPCDispatcher(target, endpoints, serializer) def check_reply(reply=None, failure=None, log_failure=True): if self.ex and failure is not None: ex = failure[1] self.assertFalse(self.success, ex) self.assertIsNotNone(self.ex, ex) self.assertIsInstance(ex, self.ex, ex) if isinstance(ex, oslo_messaging.NoSuchMethod): self.assertEqual(self.msg.get('method'), ex.method) elif isinstance(ex, oslo_messaging.UnsupportedVersion): self.assertEqual(self.msg.get('version', '1.0'), ex.version) if ex.method: self.assertEqual(self.msg.get('method'), ex.method) else: self.assertTrue(self.success, failure) self.assertIsNone(failure) incoming = mock.Mock(ctxt=self.ctxt, message=self.msg) incoming.reply.side_effect = check_reply callback = dispatcher(incoming) callback.run() callback.done() for n, endpoint in enumerate(endpoints): for method_name in ['foo', 'bar']: method = getattr(endpoint, method_name) if self.dispatch_to and n == self.dispatch_to['endpoint'] and \ method_name == self.dispatch_to['method']: method.assert_called_once_with(self.ctxt, **self.msg.get('args', {})) else: self.assertEqual(0, method.call_count) self.assertEqual(1, incoming.reply.call_count)
def test_heartbeat_failure(self): endpoints = [self._SleepyEndpoint()] dispatcher = oslo_messaging.RPCDispatcher(endpoints, serializer=None) # sleep long enough for the client_timeout to expire multiple times # the timeout is (client_timeout/2) and must be > 1.0 message = {'method': 'sleep', 'args': {'timeout': 3.5}} ctxt = {'test': 'value'} incoming = mock.Mock(ctxt=ctxt, message=message, client_timeout=2.0) incoming.heartbeat = mock.Mock(side_effect=Exception('BOOM!')) res = dispatcher.dispatch(incoming) self.assertTrue(res) # only one call to heartbeat should be made since the watchdog thread # should exit on the first exception thrown self.assertEqual(1, incoming.heartbeat.call_count)
def test_serializer(self): endpoint = _FakeEndpoint() serializer = msg_serializer.NoOpSerializer() dispatcher = oslo_messaging.RPCDispatcher([endpoint], serializer) endpoint.foo = mock.Mock() args = dict([(k, 'd' + v) for k, v in self.args.items()]) endpoint.foo.return_value = self.retval serializer.serialize_entity = mock.Mock() serializer.deserialize_entity = mock.Mock() serializer.deserialize_context = mock.Mock() serializer.deserialize_context.return_value = self.dctxt expected_side_effect = ['d' + arg for arg in self.args] serializer.deserialize_entity.side_effect = expected_side_effect serializer.serialize_entity.return_value = None if self.retval: serializer.serialize_entity.return_value = 's' + self.retval incoming = mock.Mock() incoming.ctxt = self.ctxt incoming.message = dict(method='foo', args=self.args) incoming.client_timeout = 0 retval = dispatcher.dispatch(incoming) if self.retval is not None: self.assertEqual('s' + self.retval, retval) endpoint.foo.assert_called_once_with(self.dctxt, **args) serializer.deserialize_context.assert_called_once_with(self.ctxt) expected_calls = [mock.call(self.dctxt, arg) for arg in self.args] self.assertEqual(expected_calls, serializer.deserialize_entity.mock_calls) serializer.serialize_entity.assert_called_once_with( self.dctxt, self.retval)
def test_dispatcher(self): endpoints = [mock.Mock(spec=_FakeEndpoint, target=oslo_messaging.Target(**e)) for e in self.endpoints] serializer = None dispatcher = oslo_messaging.RPCDispatcher(endpoints, serializer) incoming = mock.Mock(ctxt=self.ctxt, message=self.msg) res = None try: res = dispatcher.dispatch(incoming) except Exception as ex: self.assertFalse(self.success, ex) self.assertIsNotNone(self.ex, ex) self.assertIsInstance(ex, self.ex, ex) if isinstance(ex, oslo_messaging.NoSuchMethod): self.assertEqual(self.msg.get('method'), ex.method) elif isinstance(ex, oslo_messaging.UnsupportedVersion): self.assertEqual(self.msg.get('version', '1.0'), ex.version) if ex.method: self.assertEqual(self.msg.get('method'), ex.method) else: self.assertTrue(self.success, "Not expected success of operation durung testing") self.assertIsNotNone(res) for n, endpoint in enumerate(endpoints): for method_name in ['foo', 'bar']: method = getattr(endpoint, method_name) if self.dispatch_to and n == self.dispatch_to['endpoint'] and \ method_name == self.dispatch_to['method']: method.assert_called_once_with( self.ctxt, **self.msg.get('args', {})) else: self.assertEqual(0, method.call_count)