test_timeout.py 文件源码

def _sock_operation(self, count, timeout, method, *args):
        """
        Test the specified socket method.

        The method is run at most `count` times and must raise a socket.timeout
        within `timeout` + self.fuzz seconds.
        """
        self.sock.settimeout(timeout)
        method = getattr(self.sock, method)
        for i in range(count):
            t1 = time.time()
            try:
                method(*args)
            except socket.timeout as e:
                delta = time.time() - t1
                break
        else:
            self.fail('socket.timeout was not raised')
        # These checks should account for timing unprecision
        self.assertLess(delta, timeout + self.fuzz)
        self.assertGreater(delta, timeout - 1.0)