cppcheck/addons/test/util.py

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# Helpers for pytest tests
import subprocess
import json
import os
def find_cppcheck_binary():
possible_locations = [
"./cppcheck",
r".\bin\cppcheck.exe",
]
for location in possible_locations:
if os.path.exists(location):
break
else:
raise RuntimeError("Could not find cppcheck binary")
return location
def dump_create(fpath, *argv):
cppcheck_binary = find_cppcheck_binary()
cmd = [cppcheck_binary, "--dump", "--quiet", fpath] + list(argv)
p = subprocess.Popen(cmd)
p.communicate()
if p.returncode != 0:
raise OSError("cppcheck returns error code: %d" % p.returncode)
subprocess.Popen(["sync"])
def dump_remove(fpath):
subprocess.Popen(["rm", "-f", fpath + ".dump"])
def convert_json_output(raw_json_strings):
"""Convert raw stdout/stderr cppcheck JSON output to python dict."""
json_output = {}
for line in raw_json_strings:
try:
json_line = json.loads(line)
# json_output[json_line['errorId']] = json_line
json_output.setdefault(json_line['errorId'], []).append(json_line)
except ValueError:
pass
return json_output