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import os
import re
import unittest
import vyos.config
import vyos.configsession
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 = vyos.configsession.ConfigSession(os.getpid())
env = self.session.get_session_env()
self.config = vyos.config.Config(session_env=env)
# Delete existing name servers
self.session.delete(base_path)
self.session.commit()
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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