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XMLHTTPRequest Mutator - Initial step Mutation testing

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Sandeep Hegde 2017-10-19 01:15:03 -04:00
parent 0047c77f03
commit abbdcf0afc
1 changed files with 35 additions and 0 deletions
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python/servo/mutation/test.py Normal file
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import fileinput
import re
import subprocess
import sys
def mutate_line(file_name, line_number):
lines = open(file_name, 'r').readlines()
lines[line_number - 1] = re.sub(r'\s&&\s', ' || ', lines[line_number - 1])
out = open(file_name, 'w')
out.writelines(lines)
out.close()
def mutation_test(file_name):
lineNumbers = []
for line in fileinput.input(file_name):
if re.search(r'\s&&\s', line):
lineNumbers.append(fileinput.lineno())
for lineToMutate in lineNumbers:
print "Mutating {0} at line {1}".format(file_name, lineToMutate)
mutate_line(file_name, lineToMutate)
print "compling mutant {0}-{1}".format(file_name, lineToMutate)
sys.stdout.flush()
subprocess.call('python mach build --release', shell=True)
print "running tests for mutant {0}-{1}".format(file_name, lineToMutate)
sys.stdout.flush()
subprocess.call('python mach test-wpt XMLHttpRequest --release', shell=True)
print "mutated file {0} diff".format(file_name)
sys.stdout.flush()
subprocess.call('git --no-pager diff {0}'.format(file_name), shell=True)
print "reverting mutant {0}-{1}".format(file_name, lineToMutate)
sys.stdout.flush()
subprocess.call('git checkout {0}'.format(file_name), shell=True)
mutation_test('components/script/dom/xmlhttprequest.rs')