_test_multiprocessing.py 文件源码

python
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项目:ouroboros 作者: pybee 项目源码 文件源码
def test_wait_timeout(self):
        from multiprocessing.connection import wait

        expected = 5
        a, b = multiprocessing.Pipe()

        start = time.time()
        res = wait([a, b], expected)
        delta = time.time() - start

        self.assertEqual(res, [])
        self.assertLess(delta, expected * 2)
        self.assertGreater(delta, expected * 0.5)

        b.send(None)

        start = time.time()
        res = wait([a, b], 20)
        delta = time.time() - start

        self.assertEqual(res, [a])
        self.assertLess(delta, 0.4)
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