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try:
import unittest2 as unittest
except ImportError:
import unittest
import os
from mock import (patch, Mock)
from StringIO import StringIO
import ping
import requests
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):
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")
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.ping_gateway.called, "not called")
self.assertTrue(mc.is_internet_up.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")
checker.check_tunnel_default_interface()
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(ping, "quiet_ping") as mocked_ping:
with self.assertRaises(exceptions.NoConnectionToGateway):
mocked_ping.return_value = [11, "", ""]
checker.ping_gateway("4.2.2.2")
def test_check_internet_connection_failures(self):
checker = checks.LeapNetworkChecker()
with patch.object(requests, "get") as mocked_get:
mocked_get.side_effect = requests.HTTPError
with self.assertRaises(exceptions.NoInternetConnection):
checker.check_internet_connection()
with patch.object(requests, "get") as mocked_get:
mocked_get.side_effect = requests.RequestException
with self.assertRaises(exceptions.NoInternetConnection):
checker.check_internet_connection()
#TODO: Mock possible errors that can be raised by is_internet_up
with patch.object(requests, "get") as mocked_get:
mocked_get.side_effect = requests.ConnectionError
with self.assertRaises(exceptions.NoInternetConnection):
checker.check_internet_connection()
@unittest.skipUnless(_uid == 0, "root only")
def test_ping_gateway(self):
checker = checks.LeapNetworkChecker()
checker.ping_gateway("4.2.2.2")
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