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#!/usr/bin/env python
"""
Test for controlnet.py
"""
import unittest
from mininet.util import pexpect
from sys import stdout
class testControlNet( unittest.TestCase ):
prompt = 'mininet>'
def testPingall( self ):
"Simple pingall test that verifies 0% packet drop in data network"
p = pexpect.spawn( 'python -m mininet.examples.controlnet', logfile=stdout)
p.expect( self.prompt )
p.sendline( 'pingall' )
p.expect ( '(\d+)% dropped' )
percent = int( p.match.group( 1 ) ) if p.match else -1
self.assertEqual( percent, 0 )
p.expect( self.prompt )
p.sendline( 'exit' )
p.wait()
def testFailover( self ):
"Kill controllers and verify that switch, s1, fails over properly"
count = 1
p = pexpect.spawn( 'python -m mininet.examples.controlnet', logfile=stdout )
p.expect( self.prompt )
lp = pexpect.spawn( 'tail -f /tmp/s1-ofp.log', logfile=stdout )
lp.expect( 'tcp:\d+\.\d+\.\d+\.(\d+):\d+: connected' )
ip = int( lp.match.group( 1 ) )
self.assertEqual( count, ip )
count += 1
for c in [ 'c0', 'c1' ]:
p.sendline( '%s ifconfig %s-eth0 down' % ( c, c) )
p.expect( self.prompt )
lp.expect( 'tcp:\d+\.\d+\.\d+\.(\d+):\d+: connected' )
ip = int( lp.match.group( 1 ) )
self.assertEqual( count, ip )
count += 1
p.sendline( 'exit' )
p.wait()
if __name__ == '__main__':
unittest.main()
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