Merge "Add volume_connectors and volume_targets to task"

This commit is contained in:
Jenkins 2016-12-06 13:30:28 +00:00 committed by Gerrit Code Review
commit d69a3b6c58
2 changed files with 183 additions and 25 deletions

View File

@ -50,6 +50,10 @@ attributes that you may access:
The Node object
task.ports
Ports belonging to the Node
task.volume_connectors
Storage connectors belonging to the Node
task.volume_targets
Storage targets assigned to the Node
task.driver
The Driver for the Node, or the Driver based on the
'driver_name' kwarg of TaskManager().
@ -226,6 +230,10 @@ class TaskManager(object):
self.ports = objects.Port.list_by_node_id(context, self.node.id)
self.portgroups = objects.Portgroup.list_by_node_id(context,
self.node.id)
self.volume_connectors = objects.VolumeConnector.list_by_node_id(
context, self.node.id)
self.volume_targets = objects.VolumeTarget.list_by_node_id(
context, self.node.id)
self.driver = driver_factory.build_driver_for_task(
self, driver_name=driver_name)
@ -344,6 +352,8 @@ class TaskManager(object):
self.driver = None
self.ports = None
self.portgroups = None
self.volume_connectors = None
self.volume_targets = None
self.fsm = None
def _write_exception(self, future):

View File

@ -40,6 +40,8 @@ from ironic.tests.unit.objects import utils as obj_utils
@mock.patch.object(driver_factory, 'build_driver_for_task')
@mock.patch.object(objects.Port, 'list_by_node_id')
@mock.patch.object(objects.Portgroup, 'list_by_node_id')
@mock.patch.object(objects.VolumeConnector, 'list_by_node_id')
@mock.patch.object(objects.VolumeTarget, 'list_by_node_id')
class TaskManagerTestCase(tests_db_base.DbTestCase):
def setUp(self):
super(TaskManagerTestCase, self).setUp()
@ -50,7 +52,8 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
self.node = obj_utils.create_test_node(self.context)
self.future_mock = mock.Mock(spec=['cancel', 'add_done_callback'])
def test_excl_lock(self, get_portgroups_mock, get_ports_mock,
def test_excl_lock(self, get_voltgt_mock, get_volconn_mock,
get_portgroups_mock, get_ports_mock,
build_driver_mock, reserve_mock, release_mock,
node_get_mock):
reserve_mock.return_value = self.node
@ -59,6 +62,9 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
self.assertEqual(self.node, task.node)
self.assertEqual(get_ports_mock.return_value, task.ports)
self.assertEqual(get_portgroups_mock.return_value, task.portgroups)
self.assertEqual(get_volconn_mock.return_value,
task.volume_connectors)
self.assertEqual(get_voltgt_mock.return_value, task.volume_targets)
self.assertEqual(build_driver_mock.return_value, task.driver)
self.assertFalse(task.shared)
build_driver_mock.assert_called_once_with(task, driver_name=None)
@ -68,11 +74,14 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
'fake-node-id')
get_ports_mock.assert_called_once_with(self.context, self.node.id)
get_portgroups_mock.assert_called_once_with(self.context, self.node.id)
get_volconn_mock.assert_called_once_with(self.context, self.node.id)
get_voltgt_mock.assert_called_once_with(self.context, self.node.id)
release_mock.assert_called_once_with(self.context, self.host,
self.node.id)
def test_excl_lock_with_driver(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
reserve_mock.return_value = self.node
with task_manager.TaskManager(self.context, 'fake-node-id',
@ -81,6 +90,9 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
self.assertEqual(self.node, task.node)
self.assertEqual(get_ports_mock.return_value, task.ports)
self.assertEqual(get_portgroups_mock.return_value, task.portgroups)
self.assertEqual(get_volconn_mock.return_value,
task.volume_connectors)
self.assertEqual(get_voltgt_mock.return_value, task.volume_targets)
self.assertEqual(build_driver_mock.return_value, task.driver)
self.assertFalse(task.shared)
build_driver_mock.assert_called_once_with(
@ -91,11 +103,14 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
'fake-node-id')
get_ports_mock.assert_called_once_with(self.context, self.node.id)
get_portgroups_mock.assert_called_once_with(self.context, self.node.id)
get_volconn_mock.assert_called_once_with(self.context, self.node.id)
get_voltgt_mock.assert_called_once_with(self.context, self.node.id)
release_mock.assert_called_once_with(self.context, self.host,
self.node.id)
def test_excl_nested_acquire(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
node2 = obj_utils.create_test_node(self.context,
uuid=uuidutils.generate_uuid(),
@ -104,24 +119,34 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
reserve_mock.return_value = self.node
get_ports_mock.return_value = mock.sentinel.ports1
get_portgroups_mock.return_value = mock.sentinel.portgroups1
get_volconn_mock.return_value = mock.sentinel.volconn1
get_voltgt_mock.return_value = mock.sentinel.voltgt1
build_driver_mock.return_value = mock.sentinel.driver1
with task_manager.TaskManager(self.context, 'node-id1') as task:
reserve_mock.return_value = node2
get_ports_mock.return_value = mock.sentinel.ports2
get_portgroups_mock.return_value = mock.sentinel.portgroups2
get_volconn_mock.return_value = mock.sentinel.volconn2
get_voltgt_mock.return_value = mock.sentinel.voltgt2
build_driver_mock.return_value = mock.sentinel.driver2
with task_manager.TaskManager(self.context, 'node-id2') as task2:
self.assertEqual(self.context, task.context)
self.assertEqual(self.node, task.node)
self.assertEqual(mock.sentinel.ports1, task.ports)
self.assertEqual(mock.sentinel.portgroups1, task.portgroups)
self.assertEqual(mock.sentinel.volconn1,
task.volume_connectors)
self.assertEqual(mock.sentinel.voltgt1, task.volume_targets)
self.assertEqual(mock.sentinel.driver1, task.driver)
self.assertFalse(task.shared)
self.assertEqual(self.context, task2.context)
self.assertEqual(node2, task2.node)
self.assertEqual(mock.sentinel.ports2, task2.ports)
self.assertEqual(mock.sentinel.portgroups2, task2.portgroups)
self.assertEqual(mock.sentinel.volconn2,
task2.volume_connectors)
self.assertEqual(mock.sentinel.voltgt2, task2.volume_targets)
self.assertEqual(mock.sentinel.driver2, task2.driver)
self.assertFalse(task2.shared)
@ -144,7 +169,8 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
release_mock.call_args_list)
def test_excl_lock_exception_then_lock(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
retry_attempts = 3
self.config(node_locked_retry_attempts=retry_attempts,
@ -164,7 +190,8 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
self.assertEqual(2, reserve_mock.call_count)
def test_excl_lock_reserve_exception(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
retry_attempts = 3
self.config(node_locked_retry_attempts=retry_attempts,
@ -182,11 +209,14 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
self.assertEqual(retry_attempts, reserve_mock.call_count)
self.assertFalse(get_ports_mock.called)
self.assertFalse(get_portgroups_mock.called)
self.assertFalse(get_volconn_mock.called)
self.assertFalse(get_voltgt_mock.called)
self.assertFalse(build_driver_mock.called)
self.assertFalse(release_mock.called)
def test_excl_lock_get_ports_exception(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
reserve_mock.return_value = self.node
get_ports_mock.side_effect = exception.IronicException('foo')
@ -205,7 +235,8 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
self.node.id)
def test_excl_lock_get_portgroups_exception(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
reserve_mock.return_value = self.node
get_portgroups_mock.side_effect = exception.IronicException('foo')
@ -223,8 +254,49 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
release_mock.assert_called_once_with(self.context, self.host,
self.node.id)
def test_excl_lock_get_volconn_exception(
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
reserve_mock.return_value = self.node
get_volconn_mock.side_effect = exception.IronicException('foo')
self.assertRaises(exception.IronicException,
task_manager.TaskManager,
self.context,
'fake-node-id')
reserve_mock.assert_called_once_with(self.context, self.host,
'fake-node-id')
get_volconn_mock.assert_called_once_with(self.context, self.node.id)
self.assertFalse(get_voltgt_mock.called)
release_mock.assert_called_once_with(self.context, self.host,
self.node.id)
node_get_mock.assert_called_once_with(self.context, 'fake-node-id')
def test_excl_lock_get_voltgt_exception(
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
reserve_mock.return_value = self.node
get_voltgt_mock.side_effect = exception.IronicException('foo')
self.assertRaises(exception.IronicException,
task_manager.TaskManager,
self.context,
'fake-node-id')
reserve_mock.assert_called_once_with(self.context, self.host,
'fake-node-id')
get_voltgt_mock.assert_called_once_with(self.context, self.node.id)
self.assertFalse(build_driver_mock.called)
release_mock.assert_called_once_with(self.context, self.host,
self.node.id)
node_get_mock.assert_called_once_with(self.context, 'fake-node-id')
def test_excl_lock_build_driver_exception(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
reserve_mock.return_value = self.node
build_driver_mock.side_effect = (
@ -245,7 +317,8 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
self.node.id)
def test_shared_lock(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
node_get_mock.return_value = self.node
with task_manager.TaskManager(self.context, 'fake-node-id',
@ -254,6 +327,9 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
self.assertEqual(self.node, task.node)
self.assertEqual(get_ports_mock.return_value, task.ports)
self.assertEqual(get_portgroups_mock.return_value, task.portgroups)
self.assertEqual(get_volconn_mock.return_value,
task.volume_connectors)
self.assertEqual(get_voltgt_mock.return_value, task.volume_targets)
self.assertEqual(build_driver_mock.return_value, task.driver)
self.assertTrue(task.shared)
@ -264,9 +340,12 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
node_get_mock.assert_called_once_with(self.context, 'fake-node-id')
get_ports_mock.assert_called_once_with(self.context, self.node.id)
get_portgroups_mock.assert_called_once_with(self.context, self.node.id)
get_volconn_mock.assert_called_once_with(self.context, self.node.id)
get_voltgt_mock.assert_called_once_with(self.context, self.node.id)
def test_shared_lock_with_driver(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
node_get_mock.return_value = self.node
with task_manager.TaskManager(self.context,
@ -277,6 +356,9 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
self.assertEqual(self.node, task.node)
self.assertEqual(get_ports_mock.return_value, task.ports)
self.assertEqual(get_portgroups_mock.return_value, task.portgroups)
self.assertEqual(get_volconn_mock.return_value,
task.volume_connectors)
self.assertEqual(get_voltgt_mock.return_value, task.volume_targets)
self.assertEqual(build_driver_mock.return_value, task.driver)
self.assertTrue(task.shared)
@ -288,9 +370,12 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
node_get_mock.assert_called_once_with(self.context, 'fake-node-id')
get_ports_mock.assert_called_once_with(self.context, self.node.id)
get_portgroups_mock.assert_called_once_with(self.context, self.node.id)
get_volconn_mock.assert_called_once_with(self.context, self.node.id)
get_voltgt_mock.assert_called_once_with(self.context, self.node.id)
def test_shared_lock_node_get_exception(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
node_get_mock.side_effect = exception.NodeNotFound(node='foo')
@ -305,10 +390,13 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
node_get_mock.assert_called_once_with(self.context, 'fake-node-id')
self.assertFalse(get_ports_mock.called)
self.assertFalse(get_portgroups_mock.called)
self.assertFalse(get_volconn_mock.called)
self.assertFalse(get_voltgt_mock.called)
self.assertFalse(build_driver_mock.called)
def test_shared_lock_get_ports_exception(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
node_get_mock.return_value = self.node
get_ports_mock.side_effect = exception.IronicException('foo')
@ -326,7 +414,8 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
self.assertFalse(build_driver_mock.called)
def test_shared_lock_get_portgroups_exception(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
node_get_mock.return_value = self.node
get_portgroups_mock.side_effect = exception.IronicException('foo')
@ -343,8 +432,47 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
get_portgroups_mock.assert_called_once_with(self.context, self.node.id)
self.assertFalse(build_driver_mock.called)
def test_shared_lock_get_volconn_exception(
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
node_get_mock.return_value = self.node
get_volconn_mock.side_effect = exception.IronicException('foo')
self.assertRaises(exception.IronicException,
task_manager.TaskManager,
self.context,
'fake-node-id',
shared=True)
self.assertFalse(reserve_mock.called)
self.assertFalse(release_mock.called)
node_get_mock.assert_called_once_with(self.context, 'fake-node-id')
get_volconn_mock.assert_called_once_with(self.context, self.node.id)
self.assertFalse(get_voltgt_mock.called)
def test_shared_lock_get_voltgt_exception(
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
node_get_mock.return_value = self.node
get_voltgt_mock.side_effect = exception.IronicException('foo')
self.assertRaises(exception.IronicException,
task_manager.TaskManager,
self.context,
'fake-node-id',
shared=True)
self.assertFalse(reserve_mock.called)
self.assertFalse(release_mock.called)
node_get_mock.assert_called_once_with(self.context, 'fake-node-id')
get_voltgt_mock.assert_called_once_with(self.context, self.node.id)
self.assertFalse(build_driver_mock.called)
def test_shared_lock_build_driver_exception(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
node_get_mock.return_value = self.node
build_driver_mock.side_effect = (
@ -361,10 +489,13 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
node_get_mock.assert_called_once_with(self.context, 'fake-node-id')
get_ports_mock.assert_called_once_with(self.context, self.node.id)
get_portgroups_mock.assert_called_once_with(self.context, self.node.id)
get_volconn_mock.assert_called_once_with(self.context, self.node.id)
get_voltgt_mock.assert_called_once_with(self.context, self.node.id)
build_driver_mock.assert_called_once_with(mock.ANY, driver_name=None)
def test_upgrade_lock(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
node_get_mock.return_value = self.node
reserve_mock.return_value = self.node
@ -374,6 +505,9 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
self.assertEqual(self.node, task.node)
self.assertEqual(get_ports_mock.return_value, task.ports)
self.assertEqual(get_portgroups_mock.return_value, task.portgroups)
self.assertEqual(get_volconn_mock.return_value,
task.volume_connectors)
self.assertEqual(get_voltgt_mock.return_value, task.volume_targets)
self.assertEqual(build_driver_mock.return_value, task.driver)
self.assertTrue(task.shared)
self.assertFalse(reserve_mock.called)
@ -397,8 +531,11 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
node_get_mock.assert_called_once_with(self.context, 'fake-node-id')
get_ports_mock.assert_called_once_with(self.context, self.node.id)
get_portgroups_mock.assert_called_once_with(self.context, self.node.id)
get_volconn_mock.assert_called_once_with(self.context, self.node.id)
get_voltgt_mock.assert_called_once_with(self.context, self.node.id)
def test_upgrade_lock_refreshes_fsm(self, get_portgroups_mock,
def test_upgrade_lock_refreshes_fsm(self, get_voltgt_mock,
get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock,
node_get_mock):
@ -423,8 +560,9 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
@mock.patch.object(task_manager.TaskManager,
'_notify_provision_state_change', autospec=True)
def test_spawn_after(
self, notify_mock, get_portgroups_mock, get_ports_mock,
build_driver_mock, reserve_mock, release_mock, node_get_mock):
self, notify_mock, get_voltgt_mock, get_volconn_mock,
get_portgroups_mock, get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
spawn_mock = mock.Mock(return_value=self.future_mock)
task_release_mock = mock.Mock()
reserve_mock.return_value = self.node
@ -444,7 +582,8 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
notify_mock.assert_called_once_with(task)
def test_spawn_after_exception_while_yielded(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
spawn_mock = mock.Mock()
task_release_mock = mock.Mock()
@ -463,8 +602,9 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
@mock.patch.object(task_manager.TaskManager,
'_notify_provision_state_change', autospec=True)
def test_spawn_after_spawn_fails(
self, notify_mock, get_portgroups_mock, get_ports_mock,
build_driver_mock, reserve_mock, release_mock, node_get_mock):
self, notify_mock, get_voltgt_mock, get_volconn_mock,
get_portgroups_mock, get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
spawn_mock = mock.Mock(side_effect=exception.IronicException('foo'))
task_release_mock = mock.Mock()
reserve_mock.return_value = self.node
@ -481,7 +621,8 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
self.assertFalse(notify_mock.called)
def test_spawn_after_link_fails(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
self.future_mock.add_done_callback.side_effect = (
exception.IronicException('foo'))
@ -504,7 +645,8 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
task_release_mock.assert_called_once_with()
def test_spawn_after_on_error_hook(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
expected_exception = exception.IronicException('foo')
spawn_mock = mock.Mock(side_effect=expected_exception)
@ -526,7 +668,8 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
'fake-argument')
def test_spawn_after_on_error_hook_exception(
self, get_portgroups_mock, get_ports_mock, build_driver_mock,
self, get_voltgt_mock, get_volconn_mock, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock, node_get_mock):
expected_exception = exception.IronicException('foo')
spawn_mock = mock.Mock(side_effect=expected_exception)
@ -552,7 +695,8 @@ class TaskManagerTestCase(tests_db_base.DbTestCase):
@mock.patch.object(states.machine, 'copy')
def test_init_prepares_fsm(
self, copy_mock, get_portgroups_mock, get_ports_mock,
self, copy_mock, get_volconn_mock, get_voltgt_mock,
get_portgroups_mock, get_ports_mock,
build_driver_mock, reserve_mock, release_mock, node_get_mock):
m = mock.Mock(spec=fsm.FSM)
reserve_mock.return_value = self.node
@ -580,6 +724,8 @@ class TaskManagerStateModelTestCases(tests_base.TestCase):
t.driver = mock.Mock()
t.ports = mock.Mock()
t.portgroups = mock.Mock()
t.volume_connectors = mock.Mock()
t.volume_targets = mock.Mock()
t.shared = True
t._purpose = 'purpose'
t._debug_timer = mock.Mock()
@ -589,6 +735,8 @@ class TaskManagerStateModelTestCases(tests_base.TestCase):
self.assertIsNone(t.driver)
self.assertIsNone(t.ports)
self.assertIsNone(t.portgroups)
self.assertIsNone(t.volume_connectors)
self.assertIsNone(t.volume_targets)
self.assertIsNone(t.fsm)
def test_process_event_fsm_raises(self):