File: test__semaphore.py

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python-gevent 1.0.1-2
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import greentest
import gevent
from gevent.lock import Semaphore


class TestTimeoutAcquire(greentest.TestCase):

    # issue 39
    def test_acquire_returns_false_after_timeout(self):
        s = Semaphore(value=0)
        result = s.acquire(timeout=0.01)
        assert result is False, repr(result)

    def test_release_twice(self):
        s = Semaphore()
        result = []
        s.rawlink(lambda s: result.append('a'))
        s.release()
        s.rawlink(lambda s: result.append('b'))
        s.release()
        gevent.sleep(0.001)
        self.assertEqual(result, ['a', 'b'])


if __name__ == '__main__':
    greentest.main()