Bob Lantz
e37afe996b
Mostly we just use mininet.util.pexpect so that we can use unicode strings without changing calls to pexpect.spawn()
53 lines
1.4 KiB
Python
Executable File
53 lines
1.4 KiB
Python
Executable File
#!/usr/bin/env python
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"""
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Test for cpu.py
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results format:
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sched cpu received bits/sec
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cfs 50% 8.14e+09
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cfs 40% 6.48e+09
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cfs 30% 4.56e+09
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cfs 20% 2.84e+09
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cfs 10% 1.29e+09
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"""
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import unittest
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from mininet.util import pexpect
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import sys
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class testCPU( unittest.TestCase ):
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prompt = 'mininet>'
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@unittest.skipIf( '-quick' in sys.argv, 'long test' )
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def testCPU( self ):
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"Verify that CPU utilization is monotonically decreasing for each scheduler"
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p = pexpect.spawn( 'python -m mininet.examples.cpu', timeout=300 )
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# matches each line from results( shown above )
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opts = [ '([a-z]+)\t([\d\.]+)%\t([\d\.e\+]+)',
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pexpect.EOF ]
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scheds = []
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while True:
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index = p.expect( opts )
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if index == 0:
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sched = p.match.group( 1 )
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cpu = float( p.match.group( 2 ) )
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bw = float( p.match.group( 3 ) )
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if sched not in scheds:
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scheds.append( sched )
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else:
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self.assertTrue( bw < previous_bw,
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"%e should be less than %e\n" %
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( bw, previous_bw ) )
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previous_bw = bw
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else:
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break
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self.assertTrue( len( scheds ) > 0 )
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if __name__ == '__main__':
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unittest.main()
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