Files
Claro/tools/validate_ask_prompt_cleanup.py
T

56 lines
2.0 KiB
Python

#!/usr/bin/env python3
"""Check ASK prompt expression values are released under LeakSanitizer."""
from pathlib import Path
import os
import subprocess
import sys
import tempfile
ROOT = Path(__file__).resolve().parent.parent
def main() -> int:
if os.name == "nt":
print("SKIP: LeakSanitizer check is POSIX-only")
return 0
with tempfile.TemporaryDirectory(prefix="claro-ask-prompt-cleanup-") as tmp:
tmp_path = Path(tmp)
binary = tmp_path / "claro-lsan"
script = tmp_path / "ask_prompts.claro"
script.write_text(
''.join('ASK "question" + " value" AS answer\n' for _ in range(2000)),
encoding="utf-8",
)
build = subprocess.run(
["gcc", "-std=c99", "-O0", "-g", "-fsanitize=address,undefined",
"src/claro.c", "-o", str(binary), "-lm"],
cwd=ROOT, text=True, capture_output=True,
)
if build.returncode:
print(build.stdout, end="")
print(build.stderr, end="", file=sys.stderr)
return build.returncode
run = subprocess.run(
[str(binary), str(script)], cwd=ROOT, input="\n" * 2000,
text=True, capture_output=True,
env={**os.environ, "ASAN_OPTIONS": "detect_leaks=1"},
)
if run.returncode:
print("FAIL: ASK prompt cleanup probe failed")
print(run.stdout, end="")
print(run.stderr, end="", file=sys.stderr)
return 1
if "LeakSanitizer" in run.stderr or "SUMMARY:" in run.stderr:
print("FAIL: ASK prompt expression values still leak")
print(run.stderr, end="", file=sys.stderr)
return 1
if run.stdout.count("question value\n") != 2000:
print("FAIL: ASK prompt cleanup probe produced the wrong output")
return 1
print("PASS: ASK prompt expression values are released")
return 0
if __name__ == "__main__":
raise SystemExit(main())