32 lines
871 B
Python
32 lines
871 B
Python
import unittest
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import eventlet
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from eventlet import semaphore
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from tests import LimitedTestCase
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class TestSemaphore(LimitedTestCase):
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def test_bounded(self):
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sem = semaphore.BoundedSemaphore(2, limit=3)
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self.assertEqual(sem.acquire(), True)
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self.assertEqual(sem.acquire(), True)
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gt1 = eventlet.spawn(sem.release)
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self.assertEqual(sem.acquire(), True)
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self.assertEqual(-3, sem.balance)
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sem.release()
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sem.release()
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sem.release()
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gt2 = eventlet.spawn(sem.acquire)
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sem.release()
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self.assertEqual(3, sem.balance)
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gt1.wait()
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gt2.wait()
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def test_bounded_with_zero_limit(self):
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sem = semaphore.BoundedSemaphore(0, 0)
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gt = eventlet.spawn(sem.acquire)
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sem.release()
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gt.wait()
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if __name__=='__main__':
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unittest.main()
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