def test_response(self):
barrier = threading.Event()
on_response = mock.MagicMock()
on_response.side_effect = lambda *args, **kwargs: barrier.set()
handlers = {pr.RESPONSE: dispatcher.Handler(on_response)}
p = proxy.Proxy(TEST_TOPIC,
TEST_EXCHANGE,
handlers,
transport='memory',
transport_options={
'polling_interval': POLLING_INTERVAL,
})
t = threading_utils.daemon_thread(p.start)
t.start()
p.wait()
resp = pr.Response(pr.RUNNING)
p.publish(resp, TEST_TOPIC)
self.assertTrue(barrier.wait(test_utils.WAIT_TIMEOUT))
self.assertTrue(barrier.is_set())
p.stop()
t.join()
self.assertTrue(on_response.called)
on_response.assert_called_with(resp.to_dict(), mock.ANY)
def test_on_message_response_unknown_state(self):
response = pr.Response(state='<unknown>')
ex = self.executor()
ex._ongoing_requests[self.task_uuid] = self.request_inst_mock
ex._process_response(response.to_dict(), self.message_mock)
self.assertEqual([], self.request_inst_mock.mock_calls)
def test_on_message_response_no_correlation_id(self):
self.message_mock.properties = {'type': pr.RESPONSE}
response = pr.Response(pr.RUNNING)
ex = self.executor()
ex._ongoing_requests[self.task_uuid] = self.request_inst_mock
ex._process_response(response.to_dict(), self.message_mock)
self.assertEqual([], self.request_inst_mock.mock_calls)
def test_on_message_response_unknown_task(self):
self.message_mock.properties['correlation_id'] = '<unknown>'
response = pr.Response(pr.RUNNING)
ex = self.executor()
ex._ongoing_requests[self.task_uuid] = self.request_inst_mock
ex._process_response(response.to_dict(), self.message_mock)
self.assertEqual([], self.request_inst_mock.mock_calls)
def test_on_message_response_state_running(self):
response = pr.Response(pr.RUNNING)
ex = self.executor()
ex._ongoing_requests[self.task_uuid] = self.request_inst_mock
ex._process_response(response.to_dict(), self.message_mock)
expected_calls = [
mock.call.transition_and_log_error(pr.RUNNING, logger=mock.ANY),
]
self.assertEqual(expected_calls, self.request_inst_mock.mock_calls)
def test_on_message_response_state_success(self):
response = pr.Response(pr.SUCCESS,
result=self.task_result,
event='executed')
ex = self.executor()
ex._ongoing_requests[self.task_uuid] = self.request_inst_mock
ex._process_response(response.to_dict(), self.message_mock)
expected_calls = [
mock.call.transition_and_log_error(pr.SUCCESS, logger=mock.ANY),
mock.call.set_result(result=self.task_result)
]
self.assertEqual(expected_calls, self.request_inst_mock.mock_calls)
def test_on_message_response_state_progress(self):
response = pr.Response(pr.EVENT,
event_type=task_atom.EVENT_UPDATE_PROGRESS,
details={'progress': 1.0})
ex = self.executor()
ex._ongoing_requests[self.task_uuid] = self.request_inst_mock
ex._process_response(response.to_dict(), self.message_mock)
expected_calls = [
mock.call.task.notifier.notify(task_atom.EVENT_UPDATE_PROGRESS,
{'progress': 1.0}),
]
self.assertEqual(expected_calls, self.request_inst_mock.mock_calls)
def test_on_message_response_state_failure(self):
a_failure = failure.Failure.from_exception(Exception('test'))
failure_dict = a_failure.to_dict()
response = pr.Response(pr.FAILURE, result=failure_dict)
ex = self.executor()
ex._ongoing_requests[self.task_uuid] = self.request_inst_mock
ex._process_response(response.to_dict(), self.message_mock)
self.assertEqual(0, len(ex._ongoing_requests))
expected_calls = [
mock.call.transition_and_log_error(pr.FAILURE, logger=mock.ANY),
mock.call.set_result(result=test_utils.FailureMatcher(a_failure))
]
self.assertEqual(expected_calls, self.request_inst_mock.mock_calls)
def _reply(self, capture, reply_to, task_uuid, state=pr.FAILURE, **kwargs):
"""Send a reply to the `reply_to` queue with the given information.
Can capture failures to publish and if capturing will log associated
critical errors on behalf of the caller, and then returns whether the
publish worked out or did not.
"""
response = pr.Response(state, **kwargs)
published = False
try:
self._proxy.publish(response, reply_to, correlation_id=task_uuid)
published = True
except Exception:
if not capture:
raise
LOG.critical(
"Failed to send reply to '%s' for task '%s' with"
" response %s",
reply_to,
task_uuid,
response,
exc_info=True)
return published
def test_multi_message(self):
message_count = 30
barrier = latch.Latch(message_count)
countdown = lambda data, message: barrier.countdown()
on_notify = mock.MagicMock()
on_notify.side_effect = countdown
on_response = mock.MagicMock()
on_response.side_effect = countdown
on_request = mock.MagicMock()
on_request.side_effect = countdown
handlers = {
pr.NOTIFY: dispatcher.Handler(on_notify),
pr.RESPONSE: dispatcher.Handler(on_response),
pr.REQUEST: dispatcher.Handler(on_request),
}
p = proxy.Proxy(TEST_TOPIC,
TEST_EXCHANGE,
handlers,
transport='memory',
transport_options={
'polling_interval': POLLING_INTERVAL,
})
t = threading_utils.daemon_thread(p.start)
t.start()
p.wait()
for i in range(0, message_count):
j = i % 3
if j == 0:
p.publish(pr.Notify(), TEST_TOPIC)
elif j == 1:
p.publish(pr.Response(pr.RUNNING), TEST_TOPIC)
else:
p.publish(
pr.Request(test_utils.DummyTask("dummy_%s" % i),
uuidutils.generate_uuid(), pr.EXECUTE, [],
None), TEST_TOPIC)
self.assertTrue(barrier.wait(test_utils.WAIT_TIMEOUT))
self.assertEqual(0, barrier.needed)
p.stop()
t.join()
self.assertTrue(on_notify.called)
self.assertTrue(on_response.called)
self.assertTrue(on_request.called)
self.assertEqual(10, on_notify.call_count)
self.assertEqual(10, on_response.call_count)
self.assertEqual(10, on_request.call_count)
call_count = sum([
on_notify.call_count,
on_response.call_count,
on_request.call_count,
])
self.assertEqual(message_count, call_count)
def test_response_bad_state(self):
msg = pr.Response('STUFF')
self.assertRaises(excp.InvalidFormat, pr.Response.validate, msg)
def test_response_mixed_invalid(self):
msg = pr.Response(pr.EVENT,
details={'progress': 0.5},
event_type='blah', result=1)
self.assertRaises(excp.InvalidFormat, pr.Response.validate, msg)
def test_response_completion(self):
msg = pr.Response(pr.SUCCESS, result=1)
pr.Response.validate(msg.to_dict())
def test_response_progress(self):
msg = pr.Response(pr.EVENT, details={'progress': 0.5},
event_type='blah')
pr.Response.validate(msg.to_dict())