cppcheck/tools/test-my-pr.py

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#!/usr/bin/env python3
# Run this script from your branch with proposed Cppcheck patch to verify your
# patch against current master. It will compare output of testing bunch of
# opensource packages
import donate_cpu_lib as lib
import argparse
import os
import sys
import random
import time
import subprocess
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Run this script from your branch with proposed Cppcheck patch to verify your patch against current master. It will compare output of testing bunch of opensource packages')
parser.add_argument('-j', default=1, type=int, help='Concurency execution threads')
parser.add_argument('-p', default=256, type=int, help='Count of packages to check')
parser.add_argument('-o', default='my_check_diff.log', help='Filename of result inside a working path dir')
parser.add_argument('--work-path', '--work-path=', default=lib.work_path, type=str, help='Working directory for reference repo')
args = parser.parse_args()
print(args)
work_path = os.path.abspath(args.work_path)
if not os.path.exists(work_path):
os.makedirs(work_path)
master_dir = os.path.join(work_path, 'cppcheck')
jobs = '-j' + str(args.j)
result_file = os.path.join(work_path, args.o)
your_repo_dir = os.path.dirname(os.path.dirname(os.path.abspath(sys.argv[0])))
if os.path.exists(result_file):
os.remove(result_file)
if not lib.get_cppcheck(master_dir, work_path):
print('Failed to clone master of Cppcheck, retry later')
sys.exit(1)
try:
os.chdir(your_repo_dir)
commit_id = (subprocess.check_output(['git', 'merge-base', 'origin/master', 'HEAD'])).strip().decode('ascii')
with open(result_file, 'a') as myfile:
myfile.write('Common ancestor: ' + commit_id + '\n\n')
os.chdir(master_dir)
subprocess.check_call(['git', 'checkout', '-f', commit_id])
except:
print('Failed to switch to common ancestor of your branch and master')
sys.exit(1)
if not lib.compile_cppcheck(master_dir, jobs):
print('Failed to compile master of Cppcheck')
sys.exit(1)
print('Testing your PR from directory: ' + your_repo_dir)
if not lib.compile_cppcheck(your_repo_dir, jobs):
print('Failed to compile your version of Cppcheck')
sys.exit(1)
packages_count = lib.get_packages_count(lib.server_address)
if not packages_count:
print("network or server might be temporarily down..")
sys.exit(1)
packages_idxs = list(range(packages_count))
random.shuffle(packages_idxs)
packages_processed = 0
crashes = []
while packages_processed < args.p and len(packages_idxs) > 0:
package = lib.get_package(lib.server_address, packages_idxs.pop())
if len(package) == 0:
print("network or server might be temporarily down..")
sys.exit(1)
tgz = lib.download_package(work_path, package, None)
if tgz is None:
print("No package downloaded")
continue
if not lib.unpack_package(work_path, tgz):
print("No files to process")
continue
results_to_diff = []
master_crashed = False
your_crashed = False
libraries = lib.get_libraries()
c, errout, info, time, cppcheck_options, timing_info = lib.scan_package(work_path, master_dir, jobs, libraries)
if c < 0:
if c == -101 and 'error: could not find or open any of the paths given.' in errout:
# No sourcefile found (for example only headers present)
print('Error: 101')
else:
print('Master crashed!')
master_crashed = True
results_to_diff.append(errout)
c, errout, info, time, cppcheck_options, timing_info = lib.scan_package(work_path, your_repo_dir, jobs, libraries)
if c < 0:
if c == -101 and 'error: could not find or open any of the paths given.' in errout:
# No sourcefile found (for example only headers present)
print('Error: 101')
else:
print('Your code crashed!')
your_crashed = True
results_to_diff.append(errout)
if master_crashed or your_crashed:
who = None
if master_crashed and your_crashed:
who = 'Both'
elif master_crashed:
who = 'Master'
else:
who = 'Your'
crashes.append(package + ' ' + who)
with open(result_file, 'a') as myfile:
myfile.write(package + '\n')
diff = lib.diff_results(work_path, 'master', results_to_diff[0], 'your', results_to_diff[1])
if diff != '':
myfile.write('diff:\n' + diff + '\n')
packages_processed += 1
print(str(packages_processed) + ' of ' + str(args.p) + ' packages processed\n')
with open(result_file, 'a') as myfile:
myfile.write('\n\ncrashes\n')
myfile.write('\n'.join(crashes))
print('Result saved to: ' + result_file)