#!/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_nameserver_add(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_nameserver_delete(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(verbosity=2)