Bob Lantz
e893fc9da4
Unfortunately pexpect() seems to be timing out with a 30 second timeout rather than the 600 seconds we are passing in. How could this even be working normally? It is puzzling. We are going to try specifying the timeout in the spawn() call. Also if the test fails, we use %e format for readability.
53 lines
1.3 KiB
Python
Executable File
53 lines
1.3 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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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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