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Add various strategies to minimize different patterns. #2

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merged 10 commits into from
May 1, 2017
Merged

Add various strategies to minimize different patterns. #2

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08205da
Remove unused strategies.
nbp Jul 23, 2015
bb49a14
Document the minimize strategy.
nbp Jul 23, 2015
6d77bb8
Add minimize-around strategy.
nbp Jul 23, 2015
f3e6586
Add minimize-balanced strategy, to remove conditional blocks around i…
nbp Jul 23, 2015
3689310
Add replace-properties-by-global strategy, to reduce dependencies on …
nbp Jul 23, 2015
a84f94b
Add replace-arguments-by-globals strategy, to later minimize argument…
nbp Jul 23, 2015
4737990
Add --symbols option to split by tokens, instead of splitting by line…
nbp Jul 23, 2015
ce5eba6
Add check-only in the list of strategies of the usage output.
nbp Aug 3, 2015
2003269
Add a new interesting test to check different behaviour based on comm…
nbp Dec 17, 2015
9d08d1e
Exit early if the file is smaller than the final Chunk size.
nbp Mar 18, 2016
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48 changes: 48 additions & 0 deletions interestingness/diffTest.py
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Original file line number Diff line number Diff line change
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#!/usr/bin/env python

from optparse import OptionParser

import timedRun
import filecmp


def parseOptions(arguments):
parser = OptionParser()
parser.disable_interspersed_args()
parser.add_option('-t', '--timeout', type='int', action='store', dest='condTimeout',
default=120,
help='Optionally set the timeout. Defaults to "%default" seconds.')
parser.add_option('-a', '--a-arg', type='string', action='append', dest='aArgs',
default=[],
help='Set of extra arguments given to first run.')
parser.add_option('-b', '--b-arg', type='string', action='append', dest='bArgs',
default=[],
help='Set of extra arguments given to second run.')

options, args = parser.parse_args(arguments)

return options.condTimeout, options.aArgs, options.bArgs, args

def interesting(cliArgs, tempPrefix):
(timeout, aArgs, bArgs, args) = parseOptions(cliArgs)

aRuninfo = timedRun.timed_run(args[:1] + aArgs + args[1:], timeout, tempPrefix + "-a")
bRuninfo = timedRun.timed_run(args[:1] + bArgs + args[1:], timeout, tempPrefix + "-b")
timeString = " (1st Run: %.3f seconds) (2nd Run: %.3f seconds)" % (aRuninfo.elapsedtime, bRuninfo.elapsedtime)

if aRuninfo.sta != timedRun.TIMED_OUT and bRuninfo.sta != timedRun.TIMED_OUT:
if aRuninfo.rc != bRuninfo.rc:
print ("[Interesting] Different return code. (%d, %d) " % (aRuninfo.rc, bRuninfo.rc)) + timeString
return True
if not filecmp.cmp(aRuninfo.out, bRuninfo.out):
print "[Interesting] Different output. " + timeString
return True
if not filecmp.cmp(aRuninfo.err, bRuninfo.err):
print "[Interesting] Different error output. " + timeString
return True
else:
print "[Uninteresting] At least one test timed out." + timeString
return False

print "[Uninteresting] Identical behaviour." + timeString
return False
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