98 lines
4.6 KiB
Python
98 lines
4.6 KiB
Python
#!/usr/bin/env python3
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"""Generate deterministic S6-06 Chromium profile restart evidence."""
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from __future__ import annotations
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import argparse
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import hashlib
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import json
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import subprocess
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from pathlib import Path
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from typing import Any
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CONTEXT_ID = "linuxcnc-2.10.0-pre0-wasm-m1-py-c1"
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COMMAND = ("xvfb-run", "-a", "node", "scripts/test_browser_opfs_restart_s6_06.mjs")
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INPUTS = (
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"context-lock.json",
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"coverage/authoritative-browser-s6-05.report.json",
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"web/workspace/opfs-runtime.mjs",
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"web/app/browser-opfs-probe.html",
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"web/app/browser-opfs-worker.mjs",
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"scripts/test_browser_opfs_restart_s6_06.mjs",
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)
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def canonical(value: Any) -> str:
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return json.dumps(value, ensure_ascii=False, sort_keys=True, separators=(",", ":"))
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def digest(value: bytes) -> str:
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return hashlib.sha256(value).hexdigest()
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def artifact(root: Path, path: str) -> dict[str, Any]:
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value = root / path
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if not value.is_file(): return {"path": path, "status": "missing"}
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return {"path": path, "bytes": value.stat().st_size, "sha256": digest(value.read_bytes())}
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def run(root: Path) -> dict[str, Any]:
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result = subprocess.run(COMMAND, cwd=root, stdout=subprocess.PIPE, stderr=subprocess.PIPE, check=False)
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sample = None
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for line in reversed(result.stdout.decode("utf-8", errors="replace").splitlines()):
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if line.lstrip().startswith("{"):
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try: sample = json.loads(line); break
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except json.JSONDecodeError: continue
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return {"command": list(COMMAND), "returncode": result.returncode, "status": "PASSED" if result.returncode == 0 else "FAILED", "stdout_sha256": digest(result.stdout), "stderr_sha256": digest(result.stderr), "sample": sample}
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def generate(root: Path, output: Path) -> dict[str, Any]:
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root = root.resolve()
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runs = [run(root), run(root)]
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samples = [item["sample"] for item in runs]
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passed = all(item["returncode"] == 0 and item["sample"] and item["sample"].get("status") == "verified" for item in runs)
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stable = samples[0] == samples[1]
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report: dict[str, Any] = {
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"schema": "authoritative-browser-restart-s6-06.v1",
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"task_id": "S6-06",
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"context_id": CONTEXT_ID,
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"status": "verified" if passed and stable else "blocked",
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"implementation_status": "verified" if passed and stable else "blocked",
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"scope": {"browser": "chromium", "mode": "persistent_profile_close_reopen", "record": "committed OPFS sync-access-handle record"},
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"checks": {
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"restart_probe": {"status": "verified" if passed else "blocked", "runs": runs, "stable": stable, "sample": samples[0]},
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"hash_continuity": {"status": "verified" if passed and samples[0].get("content_hash") == samples[1].get("content_hash") else "blocked"},
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"cleanup": {"status": "verified" if passed and samples[0].get("cleanup") is True else "blocked"},
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"process_crash_boundary": {"status": "blocked", "reason": "profile close/reopen is not process crash injection"},
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"safari_firefox_boundary": {"status": "out_of_scope", "reason": "Safari and Firefox are outside this project's migration scope"},
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"release_stop": {"status": "verified", "action": "STOP_RELEASE", "candidate_eligible": False},
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},
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"inputs": [artifact(root, path) for path in INPUTS],
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"boundaries": [
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"verified result covers a controlled Chromium profile close/reopen, not a process crash or power-loss oracle",
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"Safari and Firefox are explicitly OUT_OF_SCOPE for this migration",
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"release/oracle blockers remain STOP_RELEASE",
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],
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}
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report["report_sha256"] = hashlib.sha256(canonical({key: value for key, value in report.items() if key != "report_sha256"}).encode()).hexdigest()
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output.parent.mkdir(parents=True, exist_ok=True)
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output.write_text(json.dumps(report, ensure_ascii=False, sort_keys=True, indent=2) + "\n", encoding="utf-8")
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return report
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def main() -> int:
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("--repo-root", type=Path, default=Path(__file__).resolve().parents[1])
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parser.add_argument("--report", type=Path, default=Path("coverage/authoritative-browser-restart-s6-06.report.json"))
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args = parser.parse_args()
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root = args.repo_root.resolve()
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output = args.report if args.report.is_absolute() else root / args.report
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report = generate(root, output)
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print(f"authoritative_browser_restart_s6_06={report['status']} stable={report['checks']['restart_probe']['stable']}")
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return 0 if report["status"] == "verified" else 1
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if __name__ == "__main__":
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raise SystemExit(main())
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