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#!/usr/bin/env python
"""
Test for natnet.py
"""
import unittest
from mininet.util import pexpect
from mininet.util import quietRun
class testNATNet( unittest.TestCase ):
prompt = 'mininet>'
def setUp( self ):
self.net = pexpect.spawn( 'python -m mininet.examples.natnet' )
self.net.expect( self.prompt )
def testPublicPing( self ):
"Attempt to ping the public server (h0) from h1 and h2"
self.net.sendline( 'h1 ping -c 1 h0' )
self.net.expect ( '(\d+)% packet loss' )
percent = int( self.net.match.group( 1 ) ) if self.net.match else -1
self.assertEqual( percent, 0 )
self.net.expect( self.prompt )
self.net.sendline( 'h2 ping -c 1 h0' )
self.net.expect ( '(\d+)% packet loss' )
percent = int( self.net.match.group( 1 ) ) if self.net.match else -1
self.assertEqual( percent, 0 )
self.net.expect( self.prompt )
def testPrivatePing( self ):
"Attempt to ping h1 and h2 from public server"
self.net.sendline( 'h0 ping -c 1 -t 1 h1' )
result = self.net.expect ( [ 'unreachable', 'loss' ] )
self.assertEqual( result, 0 )
self.net.expect( self.prompt )
self.net.sendline( 'h0 ping -c 1 -t 1 h2' )
result = self.net.expect ( [ 'unreachable', 'loss' ] )
self.assertEqual( result, 0 )
self.net.expect( self.prompt )
def testPrivateToPrivatePing( self ):
"Attempt to ping from NAT'ed host h1 to NAT'ed host h2"
self.net.sendline( 'h1 ping -c 1 -t 1 h2' )
result = self.net.expect ( [ '[Uu]nreachable', 'loss' ] )
self.assertEqual( result, 0 )
self.net.expect( self.prompt )
def tearDown( self ):
self.net.sendline( 'exit' )
self.net.wait()
if __name__ == '__main__':
unittest.main()
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