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#!/usr/bin/env python3
#
# Copyright (C) 2019-2020 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 os
import re
import unittest
from vyos.configsession import ConfigSession, ConfigSessionError
import vyos.util as util
RESOLV_CONF = '/etc/resolv.conf'
test_servers = ['192.0.2.10', '2001:db8:1::100']
base_path = ['system', 'name-server']
def get_name_servers():
resolv_conf = util.read_file(RESOLV_CONF)
return re.findall(r'\n?nameserver\s+(.*)', resolv_conf)
class TestSystemNameServer(unittest.TestCase):
def setUp(self):
self.session = ConfigSession(os.getpid())
def tearDown(self):
# Delete existing name servers
self.session.delete(base_path)
self.session.commit()
del self.session
def test_add_server(self):
""" Check if server is added to resolv.conf """
for s in test_servers:
self.session.set(base_path + [s])
self.session.commit()
servers = get_name_servers()
for s in servers:
self.assertTrue(s in servers)
def test_delete_server(self):
""" Test if a deleted server disappears from resolv.conf """
for s in test_servers:
self.session.delete(base_path + [s])
self.session.commit()
servers = get_name_servers()
for s in servers:
self.assertTrue(test_server_1 not in servers)
if __name__ == '__main__':
unittest.main()
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