Files
mongo/buildscripts/tests/resmokelib/utils/test_scheduler.py
2023-07-03 15:11:25 +00:00

45 lines
1.4 KiB
Python

"""Unit tests for buildscripts/resmokelib/utils/scheduler.py."""
import sched
import unittest
from buildscripts.resmokelib.utils import scheduler as _scheduler
def noop():
pass
class TestScheduler(unittest.TestCase):
"""Unit tests for the Scheduler class."""
scheduler = _scheduler.Scheduler
def setUp(self):
self.__scheduler = self.scheduler()
def test_cancel_with_identical_time_and_priority(self):
event1 = self.__scheduler.enterabs(time=0, priority=0, action=noop)
event2 = self.__scheduler.enterabs(time=0, priority=0, action=noop)
self.__scheduler.cancel(event1)
self.assertIs(self.__scheduler.queue[0], event2)
# Attempting to cancel the same event should fail because it has already been removed.
with self.assertRaises(ValueError):
self.__scheduler.cancel(event1)
self.__scheduler.cancel(event2)
self.assertEqual(self.__scheduler.queue, [])
# TODO(SERVER-72079) Either reneable this test to remove uses of scheduler.py
# See ticket for more details
# class TestBuiltinScheduler(TestScheduler):
# """Unit tests for the sched.scheduler class."""
# scheduler = sched.scheduler
# def test_cancel_with_identical_time_and_priority(self):
# with self.assertRaises(AssertionError):
# super().test_cancel_with_identical_time_and_priority()