sdk/python/tests/test_websockets.py

   1 import Queue
   2 import run_test_server
   3 import unittest
   4 import arvados
   5 import arvados.events
   6 import mock
   7 import threading
   8 from datetime import datetime, timedelta
   9
  10 class WebsocketTest(run_test_server.TestCaseWithServers):
  11     MAIN_SERVER = {}
  12
  13     def setUp(self):
  14         self.ws = None
  15
  16     def tearDown(self):
  17         if self.ws:
  18             self.ws.close()
  19         super(WebsocketTest, self).tearDown()
  20
  21     def _test_subscribe(self, poll_fallback, expect_type, additional_filters=None):
  22         run_test_server.authorize_with('active')
  23         events = Queue.Queue(3)
  24         filters = [['object_uuid', 'is_a', 'arvados#human']]
  25         if additional_filters:
  26             filters = filters + additional_filters
  27         self.ws = arvados.events.subscribe(
  28             arvados.api('v1'), filters,
  29             events.put, poll_fallback=poll_fallback)
  30         self.assertIsInstance(self.ws, expect_type)
  31         self.assertEqual(200, events.get(True, 10)['status'])
  32         human = arvados.api('v1').humans().create(body={}).execute()
  33         self.assertEqual(human['uuid'], events.get(True, 10)['object_uuid'])
  34         self.assertTrue(events.empty(), "got more events than expected")
  35
  36     def test_subscribe_websocket(self):
  37         self._test_subscribe(
  38             poll_fallback=False, expect_type=arvados.events.EventClient)
  39
  40     def test_subscribe_websocket_with_start_time_today(self):
  41         lastHour = datetime.today() - timedelta(hours = 1)
  42         self._test_subscribe(
  43             poll_fallback=False, expect_type=arvados.events.EventClient,
  44                 additional_filters=[['created_at', '>', lastHour.strftime('%Y-%m-%d')]])
  45
  46     def test_subscribe_websocket_with_start_time_last_hour(self):
  47         lastHour = datetime.today() - timedelta(hours = 1)
  48         self._test_subscribe(
  49             poll_fallback=False, expect_type=arvados.events.EventClient,
  50                 additional_filters=[['created_at', '>', lastHour.strftime('%Y-%m-%d %H:%M:%S')]])
  51
  52     def test_subscribe_websocket_with_start_time_next_hour(self):
  53         nextHour = datetime.today() + timedelta(hours = 1)
  54         with self.assertRaises(Queue.Empty):
  55             self._test_subscribe(
  56                 poll_fallback=False, expect_type=arvados.events.EventClient,
  57                     additional_filters=[['created_at', '>', nextHour.strftime('%Y-%m-%d %H:%M:%S')]])
  58
  59     @mock.patch('arvados.events.EventClient.__init__')
  60     def test_subscribe_poll(self, event_client_constr):
  61         event_client_constr.side_effect = Exception('All is well')
  62         self._test_subscribe(
  63             poll_fallback=1, expect_type=arvados.events.PollClient)