def test_only_this_node(self):
        api = ApplicationNodeDeployer(u'node.example.com',
                                      docker_client=FakeDockerClient(),
                                      network=make_memory_network())
        application = Application(
            name=b'mysql-hybridcluster',
            image=DockerImage(repository=u'clusterhq/flocker',
                              tag=u'release-14.0')
        )

        nodes = frozenset([
            Node(
                hostname=u'node1.example.net',
                applications=frozenset([application])
            )
        ])

        desired = Deployment(nodes=nodes)
        result = api.calculate_changes(
            desired_configuration=desired,
            current_cluster_state=EMPTY_STATE,
            local_state=empty_node_local_state(api))
        expected = sequentially(changes=[])
        self.assertEqual(expected, result)
``ApplicationNodeDeployer.calculate_changes`` does not specify
dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/test/test_container.py/ApplicationNodeDeployerCalculateChangesTests.test_only_this_node