Function _cover_bytes

tests/test_e2e.py:28–31

(width=256, height=256)

# ── 辅助 ──────────────────────────────────────────────────────────────

def _cover_bytes(width=256, height=256) -> bytes:
    buf = io.BytesIO()
    Image.open(IMG_PATH).resize((width, height)).save(buf, "PNG")
    return buf.getvalue()


def _make_stegapy(plugin, cfg):