Function test_cached

ci/early_exit_cache.py:242–279

Check if test result is cached and test can be skipped (stdlib only). Verifies that: 1. Test result cache file exists 2. Test artifact (DLL/SO) file exists 3. Cached result was "pass" 4. Artifact hasn't been recompiled since cache write Mirrors ci/meson/cache_utils.

(build_dir: Path, test_name: str, artifact_path: Path)

def test_cached(build_dir: Path, test_name: str, artifact_path: Path) -> bool:
    """Check if test result is cached and test can be skipped (stdlib only).

    Verifies that:
      1. Test result cache file exists
      2. Test artifact (DLL/SO) file exists
      3. Cached result was "pass"
      4. Artifact hasn't been recompiled since cache write

    Mirrors ci/meson/cache_utils.check_test_result_cached() without importing
    that module.

    Args:
        build_dir: Meson build directory.
        test_name: Test name (e.g. "fl_alloca").
        artifact_path: Path to test artifact (DLL or SO file).

    Returns:
        True if test result is cached and artifact hasn't changed,
        False if test needs to be re-run.
    """
    cache_file = build_dir / ".test_result_cache.json"
    if not cache_file.exists() or not artifact_path.exists():
        return False
    try:
        with open(cache_file, "r", encoding="utf-8") as f:
            cache = json.load(f)
        entry = cache.get(test_name)
        if not entry or entry.get("result") != "pass":
            return False
        if (
            abs(artifact_path.stat().st_mtime - entry.get("artifact_mtime", -1.0))
            > 0.001
        ):
            return False
        return True
    except (OSError, json.JSONDecodeError, KeyError, TypeError, ValueError):
        return False


def full_run_cache(