#!/usr/bin/env python3 """v2 regression: browser can render local file:// HTML pages.""" import os import sys import tempfile import time from pathlib import Path sys.path.insert(0, str(Path(__file__).parent)) from cmux import cmux, cmuxError SOCKET_PATH = os.environ.get("CMUX_SOCKET", "/tmp/cmux-debug.sock") def _must(cond: bool, msg: str) -> None: if not cond: raise cmuxError(msg) def _wait_until(pred, timeout_s: float, label: str) -> None: deadline = time.time() + timeout_s last_exc = None while time.time() < deadline: try: if pred(): return except Exception as exc: # noqa: BLE001 last_exc = exc time.sleep(0.05) if last_exc is not None: raise cmuxError(f"Timed out waiting for {label}: {last_exc}") raise cmuxError(f"Timed out waiting for {label}") def main() -> int: with tempfile.TemporaryDirectory(prefix="cmux-file-url-") as root: html_path = Path(root) / "local-test.html" html_path.write_text( """ cmux file url load

local HTML file loaded

This page is loaded via file://

""".strip(), encoding="utf-8", ) file_url = html_path.resolve().as_uri() with cmux(SOCKET_PATH) as c: opened = c._call("browser.open_split", {"url": "about:blank"}) or {} sid = str(opened.get("surface_id") or "") _must(bool(sid), f"browser.open_split returned no surface_id: {opened}") c._call("browser.navigate", {"surface_id": sid, "url": file_url}) _wait_until( lambda: str((c._call("browser.get.title", {"surface_id": sid}) or {}).get("title") or "") == "cmux file url load", timeout_s=5.0, label="browser.get.title(file://)", ) page_text = c._call( "browser.eval", { "surface_id": sid, "script": "document.body ? (document.body.innerText || '') : ''", }, ) or {} _must( "local HTML file loaded" in str(page_text.get("value") or ""), f"Expected file:// page body text: {page_text}", ) url_payload = c._call("browser.url.get", {"surface_id": sid}) or {} actual_url = str(url_payload.get("url") or "") _must( actual_url.startswith("file://"), f"Expected browser.url.get to stay on file:// URL: {url_payload}", ) print("PASS: browser loads local file:// HTML") return 0 if __name__ == "__main__": raise SystemExit(main())