X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/13181107ecaeaa92e5d96b05270e56b2d807af39..a2c147e469bc4ccc0e788f2e72b2d94aa81ba368:/sdk/python/tests/test_websockets.py diff --git a/sdk/python/tests/test_websockets.py b/sdk/python/tests/test_websockets.py index 20fa97c41b..98d84ade75 100644 --- a/sdk/python/tests/test_websockets.py +++ b/sdk/python/tests/test_websockets.py @@ -1,39 +1,175 @@ -import Queue -import run_test_server -import unittest import arvados import arvados.events +from datetime import datetime, timedelta, tzinfo import mock +import Queue +import run_test_server import threading +import time +import unittest class WebsocketTest(run_test_server.TestCaseWithServers): MAIN_SERVER = {} + TIME_PAST = time.time()-3600 + TIME_FUTURE = time.time()+3600 + def setUp(self): self.ws = None def tearDown(self): if self.ws: self.ws.close() + super(WebsocketTest, self).tearDown() + run_test_server.reset() - def _test_subscribe(self, poll_fallback, expect_type): + def _test_subscribe(self, poll_fallback, expect_type, start_time=None, expected=1): run_test_server.authorize_with('active') - events = Queue.Queue(3) + events = Queue.Queue(100) + + # Create ancestor before subscribing. + # When listening with start_time in the past, this should also be retrieved. + # However, when start_time is omitted in subscribe, this should not be fetched. + ancestor = arvados.api('v1').humans().create(body={}).execute() + + filters = [['object_uuid', 'is_a', 'arvados#human']] + if start_time: + filters.append(['created_at', '>=', start_time]) + self.ws = arvados.events.subscribe( - arvados.api('v1'), [['object_uuid', 'is_a', 'arvados#human']], - events.put, poll_fallback=poll_fallback) + arvados.api('v1'), filters, + events.put_nowait, + poll_fallback=poll_fallback, + last_log_id=(1 if start_time else None)) self.assertIsInstance(self.ws, expect_type) - self.assertEqual(200, events.get(True, 10)['status']) + self.assertEqual(200, events.get(True, 5)['status']) human = arvados.api('v1').humans().create(body={}).execute() - self.assertEqual(human['uuid'], events.get(True, 10)['object_uuid']) - self.assertTrue(events.empty(), "got more events than expected") + + log_object_uuids = [] + for i in range(0, expected): + log_object_uuids.append(events.get(True, 5)['object_uuid']) + + if expected > 0: + self.assertIn(human['uuid'], log_object_uuids) + + if expected > 1: + self.assertIn(ancestor['uuid'], log_object_uuids) + + with self.assertRaises(Queue.Empty): + # assertEqual just serves to show us what unexpected thing + # comes out of the queue when the assertRaises fails; when + # the test passes, this assertEqual doesn't get called. + self.assertEqual(events.get(True, 2), None) def test_subscribe_websocket(self): self._test_subscribe( - poll_fallback=False, expect_type=arvados.events.EventClient) + poll_fallback=False, expect_type=arvados.events.EventClient, expected=1) @mock.patch('arvados.events.EventClient.__init__') def test_subscribe_poll(self, event_client_constr): event_client_constr.side_effect = Exception('All is well') self._test_subscribe( - poll_fallback=1, expect_type=arvados.events.PollClient) + poll_fallback=0.25, expect_type=arvados.events.PollClient, expected=1) + + def test_subscribe_websocket_with_start_time_past(self): + self._test_subscribe( + poll_fallback=False, expect_type=arvados.events.EventClient, + start_time=self.localiso(self.TIME_PAST), + expected=2) + + @mock.patch('arvados.events.EventClient.__init__') + def test_subscribe_poll_with_start_time_past(self, event_client_constr): + event_client_constr.side_effect = Exception('All is well') + self._test_subscribe( + poll_fallback=0.25, expect_type=arvados.events.PollClient, + start_time=self.localiso(self.TIME_PAST), + expected=2) + + def test_subscribe_websocket_with_start_time_future(self): + self._test_subscribe( + poll_fallback=False, expect_type=arvados.events.EventClient, + start_time=self.localiso(self.TIME_FUTURE), + expected=0) + + @mock.patch('arvados.events.EventClient.__init__') + def test_subscribe_poll_with_start_time_future(self, event_client_constr): + event_client_constr.side_effect = Exception('All is well') + self._test_subscribe( + poll_fallback=0.25, expect_type=arvados.events.PollClient, + start_time=self.localiso(self.TIME_FUTURE), + expected=0) + + def test_subscribe_websocket_with_start_time_past_utc(self): + self._test_subscribe( + poll_fallback=False, expect_type=arvados.events.EventClient, + start_time=self.utciso(self.TIME_PAST), + expected=2) + + def test_subscribe_websocket_with_start_time_future_utc(self): + self._test_subscribe( + poll_fallback=False, expect_type=arvados.events.EventClient, + start_time=self.utciso(self.TIME_FUTURE), + expected=0) + + def utciso(self, t): + return time.strftime('%Y-%m-%dT%H:%M:%SZ', time.gmtime(t)) + + def localiso(self, t): + return time.strftime('%Y-%m-%dT%H:%M:%S', time.localtime(t)) + self.isotz(-time.timezone/60) + + def isotz(self, offset): + """Convert minutes-east-of-UTC to ISO8601 time zone designator""" + return '{:+03d}{:02d}'.format(offset/60, offset%60) + + # Test websocket reconnection on unexecpted close + def _test_websocket_reconnect(self, close_unexpected): + run_test_server.authorize_with('active') + events = Queue.Queue(100) + + filters = [['object_uuid', 'is_a', 'arvados#human']] + filters.append(['created_at', '>=', self.localiso(self.TIME_PAST)]) + self.ws = arvados.events.subscribe( + arvados.api('v1'), filters, + events.put_nowait, + poll_fallback=False, + last_log_id=None) + self.assertIsInstance(self.ws, arvados.events.EventClient) + self.assertEqual(200, events.get(True, 5)['status']) + + # create obj + human = arvados.api('v1').humans().create(body={}).execute() + + # expect an event + self.assertIn(human['uuid'], events.get(True, 5)['object_uuid']) + with self.assertRaises(Queue.Empty): + self.assertEqual(events.get(True, 2), None) + + # close (im)properly + if close_unexpected: + self.ws.close_connection() + else: + self.ws.close() + + # create one more obj + human2 = arvados.api('v1').humans().create(body={}).execute() + + # (un)expect the object creation event + if close_unexpected: + log_object_uuids = [] + for i in range(0, 2): + event = events.get(True, 5) + if event.get('object_uuid') != None: + log_object_uuids.append(event['object_uuid']) + with self.assertRaises(Queue.Empty): + self.assertEqual(events.get(True, 2), None) + self.assertNotIn(human['uuid'], log_object_uuids) + self.assertIn(human2['uuid'], log_object_uuids) + else: + with self.assertRaises(Queue.Empty): + self.assertEqual(events.get(True, 2), None) + + def test_websocket_reconnect_on_unexpected_close(self): + self._test_websocket_reconnect(True) + + def test_websocket_no_reconnect_on_close_by_user(self): + self._test_websocket_reconnect(False)