Files
Claro/tools/validate_get_env_expression_cleanup.py
T

50 lines
1.8 KiB
Python

#!/usr/bin/env python3
"""Regression check for GET ENV expression temporary cleanup."""
from pathlib import Path
import os
import subprocess
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-get-env-cleanup-") as tmp:
tmp_path = Path(tmp)
binary = tmp_path / "claro-lsan"
script = tmp_path / "get_env_expressions.claro"
script.write_text(
'GET ENV "PATH" AS path\n' * 2000 + "SAY path\n",
encoding="utf-8",
)
build = subprocess.run(
["gcc", "-std=c89", "-pedantic-errors", "-Werror=implicit-function-declaration", "-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="")
return build.returncode
run = subprocess.run(
[str(binary), str(script)], cwd=ROOT, text=True, capture_output=True,
env={**os.environ, "ASAN_OPTIONS": "detect_leaks=1"},
)
if run.returncode or "LeakSanitizer" in run.stderr or "SUMMARY:" in run.stderr:
print("FAIL: GET ENV expression values still leak")
print(run.stdout, end="")
print(run.stderr, end="")
return 1
if not run.stdout.endswith("\n") or len(run.stdout.splitlines()) != 1:
print("FAIL: GET ENV probe did not produce one output line")
return 1
print("PASS: GET ENV expression values are released")
return 0
if __name__ == "__main__":
raise SystemExit(main())