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43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
import gevent
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import gevent.testing as greentest
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from gevent.lock import Semaphore
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class Testiwait(greentest.TestCase):
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def test_noiter(self):
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# Test that gevent.iwait returns objects which can be iterated upon
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# without additional calls to iter()
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sem1 = Semaphore()
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sem2 = Semaphore()
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gevent.spawn(sem1.release)
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ready = next(gevent.iwait((sem1, sem2)))
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self.assertEqual(sem1, ready)
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def test_iwait_partial(self):
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# Test that the iwait context manager allows the iterator to be
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# consumed partially without a memory leak.
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sem = Semaphore()
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let = gevent.spawn(sem.release)
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with gevent.iwait((sem,), timeout=0.01) as iterator:
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self.assertEqual(sem, next(iterator))
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let.get()
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def test_iwait_nogarbage(self):
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sem1 = Semaphore()
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sem2 = Semaphore()
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let = gevent.spawn(sem1.release)
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with gevent.iwait((sem1, sem2)) as iterator:
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self.assertEqual(sem1, next(iterator))
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self.assertEqual(sem2.linkcount(), 1)
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self.assertEqual(sem2.linkcount(), 0)
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let.get()
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if __name__ == '__main__':
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greentest.main()
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