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#!/usr/bin/env python3
#
# Copyright (C) 2020 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
class LoopbackInterfaceTest(BasicInterfaceTest.BaseTest):
def setUp(self):
super().setUp()
# these addresses are never allowed to be removed from the system
self._loopback_addresses = ['127.0.0.1', '::1']
self._base_path = ['interfaces', 'loopback']
self._interfaces = ['lo']
def tearDown(self):
self.session.delete(self._base_path)
self.session.commit()
del self.session
# loopback interface must persist!
for intf in self._interfaces:
self.assertTrue(intf in interfaces())
def test_add_single_ip_address(self):
super().test_add_single_ip_address()
for addr in self._loopback_addresses:
self.assertTrue(is_intf_addr_assigned('lo', addr))
def test_add_multiple_ip_addresses(self):
super().test_add_multiple_ip_addresses()
for addr in self._loopback_addresses:
self.assertTrue(is_intf_addr_assigned('lo', addr))
if __name__ == '__main__':
unittest.main(verbosity=2)
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