spb/khaelor Public

1/**2 * KHAELOR3 * File: tests/tui/pty-echo.test.ts4 * Description: PTY integration test — typed characters must echo in the live region before Enter is ever pressed.5 *6 * Author: Simon-Pierre Boucher7 * Contact: contact@spboucher.ai8 */910import { execFile } from "node:child_process";11import { existsSync } from "node:fs";12import { promisify } from "node:util";13import { describe, expect, it } from "vitest";1415const run = promisify(execFile);1617const EXPECT_BIN = ["/usr/bin/expect", "/bin/expect", "/usr/local/bin/expect"].find((p) =>18  existsSync(p),19);2021describe.skipIf(EXPECT_BIN === undefined)("live keystroke echo under a real PTY", () => {22  it(23    "shows typed text in the composer before Enter (regression: invisible typing)",24    async () => {25      const { stdout } = await run(EXPECT_BIN as string, ["tests/tui/fixtures/pty-echo.exp"], {26        cwd: process.cwd(),27        timeout: 60_000,28        env: { ...process.env, TERM: "xterm-256color" },29      });30      expect(stdout).toContain("STARTUP_OK");31      expect(stdout).toContain("BOX_VISIBLE");32      expect(stdout).toContain("ECHO_VISIBLE");33      // Real latency from send to on-screen echo (PTY round trip included).34      const ms = /ECHO_VISIBLE (\d+)ms/.exec(stdout);35      expect(ms).not.toBeNull();36      expect(Number((ms as RegExpExecArray)[1])).toBeLessThan(1000);37    },38    60_000,39  );40});41