#! /usr/bin/python3

# SPDX-License-Identifier: GPL-2.0-or-later
#
# tasst - Test A Simple Socket Transport
#         library of test helpers for passt & pasta
#
# tasst/metatest/veth - Test the veth creation helper
#
# These test code from tasst.site, but require additional support from
# tasst.nstool.
#
# Copyright Red Hat
# Author: David Gibson <david@gibson.dropbear.id.au>

import avocado

from tasst import Tasst
from tasst.site import REAL_HOST
from tasst.nstool import UnshareSite


class VethTasst(Tasst):
    """
    Test helpers for creating veths between namespaces

    :avocado: tags=meta
    """
    def setUp(self):
        super().setUp()
        self.ns1 = UnshareSite(type(self).__name__ + '.1', '-Un')
        self.ns2 = UnshareSite(type(self).__name__ + '.2', '-n',
                               parent=self.ns1, sudo=True)
        self.ns1.veth('veth1', 'veth2', self.ns2)

    def tearDown(self):
        self.ns2.close()
        self.ns1.close()
        super().tearDown()

    def test_ifs(self):
        self.assertCountEqual(self.ns1.ifs(), ['lo', 'veth1'])
        self.assertCountEqual(self.ns2.ifs(), ['lo', 'veth2'])

    def test_mtu(self):
        self.assertEquals(self.ns1.mtu('veth1'), 1500)
        self.assertEquals(self.ns2.mtu('veth2'), 1500)