+ 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)