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test_interfaces_loopback.py
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test_interfaces_loopback.py
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#!/usr/bin/env python3
#
# Copyright (C) 2020-2023 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import unittest
from base_interfaces_test import BasicInterfaceTest
from netifaces import interfaces
from vyos.validate import is_intf_addr_assigned
loopbacks = ['127.0.0.1', '::1']
class LoopbackInterfaceTest(BasicInterfaceTest.TestCase):
@classmethod
def setUpClass(cls):
cls._base_path = ['interfaces', 'loopback']
cls._interfaces = ['lo']
# call base-classes classmethod
super(LoopbackInterfaceTest, cls).setUpClass()
# we need to override tearDown() as loopback interfaces are ephemeral and
# will always be present on the system - the base class check will fail as
# the loopback interface will still exist.
def tearDown(self):
self.cli_delete(self._base_path)
self.cli_commit()
# loopback interface must persist!
for intf in self._interfaces:
self.assertIn(intf, interfaces())
def test_add_single_ip_address(self):
super().test_add_single_ip_address()
for addr in loopbacks:
self.assertTrue(is_intf_addr_assigned('lo', addr))
def test_add_multiple_ip_addresses(self):
super().test_add_multiple_ip_addresses()
for addr in loopbacks:
self.assertTrue(is_intf_addr_assigned('lo', addr))
def test_interface_disable(self):
self.skipTest('not supported')
if __name__ == '__main__':
unittest.main(verbosity=2)

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