def test_generate_tasks_after_run(self):
rollout = Rollout({})
rollout.save()
create_task(rollout)
rollout.rollout()
self.assertRaises(Exception, rollout.generate_tasks)
def test_single_task_rollback(self):
rollout = Rollout({})
rollout.save()
root = create_task(rollout, TestTaskFail)
rollout.rollout()
self.assertRun(root)
self.assertReverted(root)
def test_single_task_rollout(self):
rollout = Rollout({})
rollout.save()
root = create_task(rollout)
rollout.rollout()
self.assertRun(root)
self.assertNotReverted(root)
def test_signals(self):
rollouts = defaultdict(dict)
rollout_ids = defaultdict(dict)
tasks = defaultdict(dict)
classes = DelayTask, SequentialExecTask, ParallelExecTask
signals = ('abort_rollout',), ('term_rollout',), ('skip_rollback', 'term_rollout')
for cls in classes:
for sigs in signals:
rollout = Rollout({})
rollout.save()
rollouts[cls][sigs] = rollout
rollout_ids[cls][sigs] = rollout.id
if cls is DelayTask:
task = create_task(rollout, DelayTask, seconds=15)
tasks[cls][sigs] = task
else:
t1, t2, t3 = [create_task(rollout, DelayTask, seconds=15) for _ in range(3)]
task = create_task(rollout, cls, [t1, t2, t3])
tasks[cls][sigs] = t3
for cls in classes:
for sigs in signals:
rollout = rollouts[cls][sigs]
rollout.rollout_async()
# Enough time for rollouts to start
time.sleep(0.5)
for cls in classes:
for sigs in signals:
id = rollout_ids[cls][sigs]
for sig in sigs:
self.assertTrue(Rollout._can_signal(id, sig))
self.assertTrue(Rollout._do_signal(id, sig))
self.assertTrue(Rollout._is_signalling(id, sig))
# Enough time for rollouts to finish and save to db
time.sleep(2)
for cls in classes:
for sigs in signals:
rollout_id = rollout_ids[cls][sigs]
rollout = Rollout._from_id(rollout_id)
self.assertTrue(rollout.rollout_finish_dt, 'Rollout for %s not finished when sent %s' % (cls, sigs))
task = tasks[cls][sigs]
task = Task._from_id(task.id)
# Sequential exec's last task should not have run due to aborts
if cls is SequentialExecTask:
self.assertFalse(task.run_start_dt, 'Final task %s run for %s rollout when sent %s' % (task, cls, sigs))
else:
self.assertTrue(task.run_start_dt, 'Final task %s not run for %s rollout when sent %s' % (task, cls, sigs))
# If rollbacks were skipped the root task should not have reverted
if 'skip_rollback' in sigs:
self.assertFalse(rollout.root_task.revert_start_dt, 'Rollout for %s rolled back when sent %s' % (cls, sigs))
else:
self.assertTrue(rollout.root_task.revert_start_dt, 'Rollout for %s not rolled back when sent %s' % (cls, sigs))
def _test_exec_rollout(self, exec_cls):
rollout = Rollout({})
rollout.save()
task1 = create_task(rollout)
task2 = create_task(rollout)
task3 = create_task(rollout)
task4 = create_task(rollout)
root = create_task(rollout, exec_cls, [task1, task2, task3, task4])
rollout.rollout()
# Do not assert parents or root is run since otherwise we'd have to
# override their call methods
for task in task1, task2, task3, task4:
self.assertRun(task)
self.assertNotReverted(task)
def setUp(self):
self.rollout = Rollout({})
self.rollout.save()
self.rollout_id = self.rollout.id
class TestTasks(KettleTestCase):
def setUp(self):
self.rollout = Rollout({})
self.rollout.save()
self.rollout_id = self.rollout.id
@patch('kettle.tasks.Task._init')
def test_init(self, _init):
task = TestTask(self.rollout_id)
self.assertEqual(task.rollout_id, self.rollout_id)
self.assertTrue(TestTask._init.called)
def test_state(self):
class StateTask(Task):
def _init(self, cake, pie):
self.state['cake'] = cake
self.state['pie'] = pie
task = StateTask(self.rollout_id, 'a pie', 'a lie')
task.save()
session.Session.refresh(task)
self.assertEqual(task.state['cake'], 'a pie')
self.assertEqual(task.state['pie'], 'a lie')
def test_no_rollout_id(self):
task = TestTask(None)
self.assertRaises(Exception, task.save)
def test_run(self):
# Datetime at 1 second resolution
start = datetime.now().replace(microsecond=0)
_run_mock = Mock(return_value=10)
class RunTask(Task):
@classmethod
def _run(cls, state, children, abort, term):
return _run_mock(cls, state, children, abort, term)
task = RunTask(self.rollout_id)
self.assertEqual(task.run_start_dt, None)
self.assertEqual(task.run_error, None)
self.assertEqual(task.run_error_dt, None)
self.assertEqual(task.run_return, None)
self.assertEqual(task.run_return_dt, None)
self.assertEqual(task.run_traceback, None)
task.run()
_run_mock.assert_called_once_with(RunTask, task.state, task.children, None, None)
self.assertGreaterEqual(task.run_start_dt, start)
self.assertEqual(task.run_error, None)
self.assertEqual(task.run_error_dt, None)
self.assertEqual(task.run_return, str(10))
self.assertGreaterEqual(task.run_return_dt, start)
self.assertEqual(task.run_traceback, None)
def test_run_fail(self):
# Datetime at 1 second resolution
start = datetime.now().replace(microsecond=0)
_run_mock = Mock(return_value=10, side_effect=Exception('broken'))
class RunTaskFail(Task):
@classmethod
def _run(cls, state, children, abort, term):
return _run_mock(cls, state, children)
task = RunTaskFail(self.rollout_id)
self.assertEqual(task.run_start_dt, None)
self.assertEqual(task.run_error, None)
self.assertEqual(task.run_error_dt, None)
self.assertEqual(task.run_return, None)
self.assertEqual(task.run_return_dt, None)
self.assertEqual(task.run_traceback, None)
self.assertRaises(Exception, task.run)
_run_mock.assert_called_once_with(RunTaskFail, task.state, task.children)
self.assertGreaterEqual(task.run_start_dt, start)
self.assertEqual(task.run_error, 'broken')
self.assertGreaterEqual(task.run_error_dt, start)
self.assertEqual(task.run_return, None)
self.assertEqual(task.run_return_dt, None)
self.assertIn('broken', task.run_traceback)
def test_run_twice(self):
task = TestTask(self.rollout_id)
task.run()
self.assertRaises(Exception, task.run)
def test_revert_before_run(self):
# Reverting without running is not valid
_run_mock = Mock()
class RunlessTask(Task):
@classmethod
def _run(cls, state, children, abort, term):
return _run_mock(cls, state, children, abort, term)
task = RunlessTask(self.rollout_id)
self.assertRaises(Exception, task.revert)
_run_mock.assert_not_called()
def test_init(self):
rollout = Rollout({})
rollout.save()
