import unittest
import os

from framework import VppTestCase, VppTestRunner
from vpp_devices import VppTAPInterface


def check_tuntap_driver_access():
    return os.access("/dev/net/tun", os.R_OK and os.W_OK)


@unittest.skip("Requires root")
class TestTAP(VppTestCase):
    """ TAP Test Case """

    def test_tap_add_del(self):
        """Create TAP interface"""
        tap0 = VppTAPInterface(self, tap_id=0)
        tap0.add_vpp_config()
        self.assertTrue(tap0.query_vpp_config())


if __name__ == '__main__':
    unittest.main(testRunner=VppTestRunner)