Brian O'Connor
33 lines
855 B
Python
Executable File
33 lines
855 B
Python
Executable File
#!/usr/bin/env python
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"""
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Test for nat.py
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"""
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import unittest
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import pexpect
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from mininet.util import quietRun
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destIP = '8.8.8.8' # Google DNS
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class testNAT( unittest.TestCase ):
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prompt = 'mininet>'
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@unittest.skipIf( '0 received' in quietRun( 'ping -c 1 %s' % destIP ),
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'Destination IP is not reachable' )
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def testNAT( self ):
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"Attempt to ping an IP on the Internet and verify 0% packet loss"
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p = pexpect.spawn( 'python -m mininet.examples.nat' )
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p.expect( self.prompt )
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p.sendline( 'h1 ping -c 1 %s' % destIP )
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p.expect ( '(\d+)% packet loss' )
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percent = int( p.match.group( 1 ) ) if p.match else -1
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p.expect( self.prompt )
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p.sendline( 'exit' )
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p.wait()
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self.assertEqual( percent, 0 )
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if __name__ == '__main__':
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unittest.main()
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