用 Playwright 為擴充功能做 E2E 測試

import { defineConfig, devices } from "@playwright/test";

export default defineConfig({
  testDir: "e2e",
  retries: process.env.CI ? 2 : 0,
  reporter: [["html"], ["list"]],
  projects: [
    { name: "chromium", use: { ...devices["Desktop Chrome"] } },
    { name: "firefox", use: { ...devices["Desktop Firefox"] } },
  ],
});

import { spawn } from "node:child_process";
import { chromium } from "@playwright/test";

const browserName = "chromium";

const child = spawn(
  "pnpm",
  ["extension", "dev", "--no-browser", `--browser=${browserName}`],
  {
    stdio: "inherit",
    env: process.env,
  },
);

async function waitForReady() {
  return await new Promise<any>((resolve, reject) => {
    let stdout = "";
    let stderr = "";
    const wait = spawn(
      "pnpm",
      [
        "extension",
        "dev",
        "--wait",
        `--browser=${browserName}`,
        "--wait-timeout=60000",
        "--wait-format=json",
      ],
      { stdio: ["ignore", "pipe", "pipe"], env: process.env },
    );
    wait.stdout.on("data", (chunk) => (stdout += chunk.toString()));
    wait.stderr.on("data", (chunk) => (stderr += chunk.toString()));
    wait.on("error", reject);
    wait.on("close", (code) => {
      if ((code ?? 1) !== 0) {
        reject(
          new Error(stderr || `wait command failed with code ${String(code)}`),
        );
        return;
      }
      const payload = JSON.parse(stdout.trim());
      resolve(payload.results[0]);
    });
  });
}

const ready = await waitForReady();

const context = await chromium.launchPersistentContext("", {
  headless: false,
  args: [
    `--disable-extensions-except=${ready.distPath}`,
    `--load-extension=${ready.distPath}`,
  ],
});

// run tests using context/pages...

await context.close();
child.kill("SIGTERM");