32 lines
933 B
Python
32 lines
933 B
Python
"""Unit tests for scheduler."""
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import sched
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import unittest
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def noop():
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pass
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class TestBuiltinScheduler(unittest.TestCase):
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"""Unit tests for the 'sched.scheduler' class that is used in buildscripts/resmokelib/logging/flush.py."""
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scheduler = sched.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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