cppcheck/test/verify/juliet.py

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# Test if --verify works using the juliet testsuite
import glob
import os
import re
import sys
import subprocess
JULIET_PATH = os.path.expanduser('~/juliet')
if sys.argv[0] in ('test/verify/juliet.py', './test/verify/juliet.py'):
CPPCHECK_PATH = './cppcheck'
else:
CPPCHECK_PATH = '../../cppcheck'
def get_files(juliet_path:str, test_cases:str):
ret = []
g = os.path.join(juliet_path, test_cases)
print(g)
for f in sorted(glob.glob(g)):
res = re.match(r'(.*[0-9][0-9])[a-x]?.(cp*)$', f)
if res is None:
print('Non-match!! ' + f)
sys.exit(1)
f = res.group(1) + '*.' + res.group(2)
if f not in ret:
ret.append(f)
return ret
def check(tc:str, warning_id:str):
num_ok = 0
num_failed = 0
for f in get_files(JULIET_PATH, tc):
cmd = [CPPCHECK_PATH,
'-I' + os.path.join(JULIET_PATH, 'C/testcasesupport'),
'-DOMIT_GOOD',
'--library=posix',
'--verify',
'--platform=unix64']
cmd += glob.glob(f)
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
comm = p.communicate()
stdout = comm[0].decode(encoding='utf-8', errors='ignore')
stderr = comm[1].decode(encoding='utf-8', errors='ignore')
if warning_id in stderr:
num_ok += 1
else:
print(f'fail: ' + ' '.join(cmd))
num_failed += 1
cwepos = tc.find('CWE')
cwe = tc[cwepos:cwepos+6]
return f'{cwe} ok:{num_ok}, fail:{num_failed}\n'
final_report = ''
final_report += check('C/testcases/CWE369_Divide_by_Zero/s*/*_int_*.c', 'verificationDivByZero')
final_report += check('C/testcases/CWE476_*/*.c', 'verificationNullPointerDereference')
print(final_report)
assert final_report == ('CWE369 ok:456, fail:0\n'
'CWE476 ok:234, fail:36\n')