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#!/usr/bin/env python
# vim:ts=4:sw=4:et:ai:sts=4
import nemu, test_util
import os, unittest
class TestRouting(unittest.TestCase):
@test_util.skip("Programatic detection of duplicate routes not implemented")
def test_base_routing(self):
node = nemu.Node(nonetns = True)
routes = node.get_routes() # main netns routes!
if(len(routes)):
self.assertRaises(RuntimeError, node.add_route, routes[0])
routes[0].metric += 1 # should be enough to make it unique
self.assertRaises(RuntimeError, node.del_route, routes[0])
@test_util.skipUnless(os.getuid() == 0, "Test requires root privileges")
def test_routing(self):
node = nemu.Node()
self.assertEquals(len(node.get_routes()), 0)
if0 = node.add_if()
if0.add_v4_address('10.0.0.1', 24)
if0.up = True
routes = node.get_routes()
self.assertEquals(routes, [node.route(prefix = '10.0.0.0',
prefix_len = 24, interface = if0)])
node.add_route(nexthop = '10.0.0.2') # default route
node.add_route(prefix = '10.1.0.0', prefix_len = 16,
nexthop = '10.0.0.3')
node.add_route(prefix = '11.1.0.1', prefix_len = 32, interface = if0)
routes = node.get_routes()
self.assertTrue(node.route(nexthop = '10.0.0.2', interface = if0)
in routes)
self.assertTrue(node.route(prefix = '10.1.0.0', prefix_len = 16,
nexthop = '10.0.0.3', interface = if0) in routes)
self.assertTrue(node.route(prefix = '11.1.0.1', prefix_len = 32,
interface = if0) in routes)
node.del_route(nexthop = '10.0.0.2') # default route
node.del_route(prefix = '10.1.0.0', prefix_len = 16,
nexthop = '10.0.0.3')
node.del_route(prefix = '11.1.0.1', prefix_len = 32, interface = if0)
node.del_route(prefix = '10.0.0.0', prefix_len = 24, interface = if0)
self.assertEquals(node.get_routes(), [])
if __name__ == '__main__':
unittest.main()
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