try: import unittest2 as unittest except ImportError: import unittest import os import sh from mock import (patch, Mock) from StringIO import StringIO from leap.base import checks from leap.base import exceptions from leap.testing.basetest import BaseLeapTest _uid = os.getuid() class LeapNetworkCheckTest(BaseLeapTest): __name__ = "leap_network_check_tests" def setUp(self): os.environ['PATH'] += ':/bin' pass def tearDown(self): pass def test_checker_should_implement_check_methods(self): checker = checks.LeapNetworkChecker() self.assertTrue(hasattr(checker, "check_internet_connection"), "missing meth") self.assertTrue(hasattr(checker, "check_tunnel_default_interface"), "missing meth") self.assertTrue(hasattr(checker, "is_internet_up"), "missing meth") self.assertTrue(hasattr(checker, "ping_gateway"), "missing meth") self.assertTrue(hasattr(checker, "parse_log_and_react"), "missing meth") def test_checker_should_actually_call_all_tests(self): checker = checks.LeapNetworkChecker() mc = Mock() checker.run_all(checker=mc) self.assertTrue(mc.check_internet_connection.called, "not called") self.assertTrue(mc.check_tunnel_default_interface.called, "not called") self.assertTrue(mc.is_internet_up.called, "not called") self.assertTrue(mc.parse_log_and_react.called, "not called") # ping gateway only called if we pass provider_gw checker = checks.LeapNetworkChecker(provider_gw="0.0.0.0") mc = Mock() checker.run_all(checker=mc) self.assertTrue(mc.check_internet_connection.called, "not called") self.assertTrue(mc.check_tunnel_default_interface.called, "not called") self.assertTrue(mc.ping_gateway.called, "not called") self.assertTrue(mc.is_internet_up.called, "not called") self.assertTrue(mc.parse_log_and_react.called, "not called") def test_get_default_interface_no_interface(self): checker = checks.LeapNetworkChecker() with patch('leap.base.checks.open', create=True) as mock_open: with self.assertRaises(exceptions.NoDefaultInterfaceFoundError): mock_open.return_value = StringIO( "Iface\tDestination Gateway\t" "Flags\tRefCntd\tUse\tMetric\t" "Mask\tMTU\tWindow\tIRTT") checker.get_default_interface_gateway() def test_check_tunnel_default_interface(self): checker = checks.LeapNetworkChecker() with patch('leap.base.checks.open', create=True) as mock_open: with self.assertRaises(exceptions.TunnelNotDefaultRouteError): mock_open.return_value = StringIO( "Iface\tDestination Gateway\t" "Flags\tRefCntd\tUse\tMetric\t" "Mask\tMTU\tWindow\tIRTT\n" "wlan0\t00000000\t0102A8C0\t" "0003\t0\t0\t0\t00000000\t0\t0\t0") checker.check_tunnel_default_interface() with patch('leap.base.checks.open', create=True) as mock_open: mock_open.return_value = StringIO( "Iface\tDestination Gateway\t" "Flags\tRefCntd\tUse\tMetric\t" "Mask\tMTU\tWindow\tIRTT\n" "tun0\t00000000\t01002A0A\t0003\t0\t0\t0\t00000080\t0\t0\t0") checker.check_tunnel_default_interface() def test_ping_gateway_fail(self): checker = checks.LeapNetworkChecker() with patch.object(sh, "ping") as mocked_ping: with self.assertRaises(exceptions.NoConnectionToGateway): mocked_ping.return_value = Mock mocked_ping.return_value.stdout = "11% packet loss" checker.ping_gateway("4.2.2.2") def test_ping_gateway(self): checker = checks.LeapNetworkChecker() with patch.object(sh, "ping") as mocked_ping: mocked_ping.return_value = Mock mocked_ping.return_value.stdout = """ PING 4.2.2.2 (4.2.2.2) 56(84) bytes of data. 64 bytes from 4.2.2.2: icmp_req=1 ttl=54 time=33.8 ms 64 bytes from 4.2.2.2: icmp_req=2 ttl=54 time=30.6 ms 64 bytes from 4.2.2.2: icmp_req=3 ttl=54 time=31.4 ms 64 bytes from 4.2.2.2: icmp_req=4 ttl=54 time=36.1 ms 64 bytes from 4.2.2.2: icmp_req=5 ttl=54 time=30.8 ms 64 bytes from 4.2.2.2: icmp_req=6 ttl=54 time=30.4 ms 64 bytes from 4.2.2.2: icmp_req=7 ttl=54 time=30.7 ms 64 bytes from 4.2.2.2: icmp_req=8 ttl=54 time=32.7 ms 64 bytes from 4.2.2.2: icmp_req=9 ttl=54 time=31.4 ms 64 bytes from 4.2.2.2: icmp_req=10 ttl=54 time=33.3 ms --- 4.2.2.2 ping statistics --- 10 packets transmitted, 10 received, 0% packet loss, time 9016ms rtt min/avg/max/mdev = 30.497/32.172/36.161/1.755 ms""" checker.ping_gateway("4.2.2.2") def test_check_internet_connection_failures(self): checker = checks.LeapNetworkChecker() TimeoutError = get_ping_timeout_error() with patch.object(sh, "ping") as mocked_ping: mocked_ping.side_effect = TimeoutError with self.assertRaises(exceptions.NoInternetConnection): with patch.object(checker, "ping_gateway") as mock_gateway: mock_gateway.side_effect = exceptions.NoConnectionToGateway checker.check_internet_connection() with patch.object(sh, "ping") as mocked_ping: mocked_ping.side_effect = TimeoutError with self.assertRaises(exceptions.NoInternetConnection): with patch.object(checker, "ping_gateway") as mock_gateway: mock_gateway.return_value = True checker.check_internet_connection() def test_parse_log_and_react(self): checker = checks.LeapNetworkChecker() to_call = Mock() log = [("leap.openvpn - INFO - Mon Nov 19 13:36:24 2012 " "read UDPv4 [ECONNREFUSED]: Connection refused (code=111)")] err_matrix = [(checks.EVENT_CONNECT_REFUSED, (to_call, ))] checker.parse_log_and_react(log, err_matrix) self.assertTrue(to_call.called) log = [("2012-11-19 13:36:26,177 - leap.openvpn - INFO - " "Mon Nov 19 13:36:24 2012 ERROR: Linux route delete command " "failed: external program exited"), ("2012-11-19 13:36:26,178 - leap.openvpn - INFO - " "Mon Nov 19 13:36:24 2012 ERROR: Linux route delete command " "failed: external program exited"), ("2012-11-19 13:36:26,180 - leap.openvpn - INFO - " "Mon Nov 19 13:36:24 2012 ERROR: Linux route delete command " "failed: external program exited"), ("2012-11-19 13:36:26,181 - leap.openvpn - INFO - " "Mon Nov 19 13:36:24 2012 /sbin/ifconfig tun0 0.0.0.0"), ("2012-11-19 13:36:26,182 - leap.openvpn - INFO - " "Mon Nov 19 13:36:24 2012 Linux ip addr del failed: external " "program exited with error stat"), ("2012-11-19 13:36:26,183 - leap.openvpn - INFO - " "Mon Nov 19 13:36:26 2012 SIGTERM[hard,] received, process" "exiting"), ] to_call.reset_mock() checker.parse_log_and_react(log, err_matrix) self.assertFalse(to_call.called) to_call.reset_mock() checker.parse_log_and_react([], err_matrix) self.assertFalse(to_call.called) def get_ping_timeout_error(): try: sh.ping("-c", "1", "-w", "1", "8.8.7.7") except Exception as e: return e