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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 os
import unittest
from psutil import process_iter
from vyos.configsession import ConfigSession, ConfigSessionError
config_file = '/etc/ppp/peers/{}'
base_path = ['interfaces', 'wirelessmodem']
def get_config_value(interface, key):
with open(config_file.format(interface), 'r') as f:
for line in f:
if line.startswith(key):
return list(line.split())
return []
class WWANInterfaceTest(unittest.TestCase):
def setUp(self):
self.session = ConfigSession(os.getpid())
self._interfaces = ['wlm0', 'wlm1']
def tearDown(self):
self.session.delete(base_path)
self.session.commit()
del self.session
def test_wwan(self):
for interface in self._interfaces:
self.session.set(base_path + [interface, 'no-peer-dns'])
self.session.set(base_path + [interface, 'connect-on-demand'])
# check validate() - APN must be configure
with self.assertRaises(ConfigSessionError):
self.session.commit()
self.session.set(base_path + [interface, 'apn', 'vyos.net'])
# check validate() - device must be configure
with self.assertRaises(ConfigSessionError):
self.session.commit()
self.session.set(base_path + [interface, 'device', 'ttyS0'])
# commit changes
self.session.commit()
# verify configuration file(s)
for interface in self._interfaces:
tmp = get_config_value(interface, 'ifname')[1]
self.assertTrue(interface in tmp)
tmp = get_config_value(interface, 'demand')[0]
self.assertTrue('demand' in tmp)
tmp = os.path.isfile(f'/etc/ppp/peers/chat.{interface}')
self.assertTrue(tmp)
# Check if ppp process is running in the interface in question
running = False
for p in process_iter():
if "pppd" in p.name():
if interface in p.cmdline():
running = True
self.assertTrue(running)
if __name__ == '__main__':
unittest.main(verbosity=2)
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