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#!/usr/bin/env python
"""
Test for linuxrouter.py
"""
import unittest
from mininet.util import pexpect
from mininet.util import quietRun
class testLinuxRouter( unittest.TestCase ):
prompt = 'mininet>'
def testPingall( self ):
"Test connectivity between hosts"
p = pexpect.spawn( 'python -m mininet.examples.linuxrouter' )
p.expect( self.prompt )
p.sendline( 'pingall' )
p.expect ( '(\d+)% dropped' )
percent = int( p.match.group( 1 ) ) if p.match else -1
p.expect( self.prompt )
p.sendline( 'exit' )
p.wait()
self.assertEqual( percent, 0 )
def testRouterPing( self ):
"Test connectivity from h1 to router"
p = pexpect.spawn( 'python -m mininet.examples.linuxrouter' )
p.expect( self.prompt )
p.sendline( 'h1 ping -c 1 r0' )
p.expect ( '(\d+)% packet loss' )
percent = int( p.match.group( 1 ) ) if p.match else -1
p.expect( self.prompt )
p.sendline( 'exit' )
p.wait()
self.assertEqual( percent, 0 )
def testTTL( self ):
"Verify that the TTL is decremented"
p = pexpect.spawn( 'python -m mininet.examples.linuxrouter' )
p.expect( self.prompt )
p.sendline( 'h1 ping -c 1 h2' )
p.expect ( 'ttl=(\d+)' )
ttl = int( p.match.group( 1 ) ) if p.match else -1
p.expect( self.prompt )
p.sendline( 'exit' )
p.wait()
self.assertEqual( ttl, 63 ) # 64 - 1
if __name__ == '__main__':
unittest.main()
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