44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
"""Unit tests for buildscripts/resmokelib/utils/scheduler.py."""
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import sched
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import unittest
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from buildscripts.resmokelib.utils import scheduler as _scheduler
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# pylint: disable=missing-docstring
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def noop():
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pass
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class TestScheduler(unittest.TestCase):
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"""Unit tests for the Scheduler class."""
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scheduler = _scheduler.Scheduler
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def setUp(self):
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self.__scheduler = self.scheduler()
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def test_cancel_with_identical_time_and_priority(self):
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event1 = self.__scheduler.enterabs(time=0, priority=0, action=noop)
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event2 = self.__scheduler.enterabs(time=0, priority=0, action=noop)
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self.__scheduler.cancel(event1)
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self.assertIs(self.__scheduler.queue[0], event2)
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# Attempting to cancel the same event should fail because it has already been removed.
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with self.assertRaises(ValueError):
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self.__scheduler.cancel(event1)
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self.__scheduler.cancel(event2)
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self.assertEqual(self.__scheduler.queue, [])
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class TestBuiltinScheduler(TestScheduler):
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"""Unit tests for the sched.scheduler class."""
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scheduler = sched.scheduler
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def test_cancel_with_identical_time_and_priority(self):
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with self.assertRaises(AssertionError):
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super().test_cancel_with_identical_time_and_priority()
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