@assert-equals/headless-wallet/tests/playwright/transaction.spec.ts

Web3 dApp testing with a MetaMask equivalent headless wallet, using Playwright or WebDriver —no extension popups

import { expect, test } from "@playwright/test";
import { HeadlessWalletServer, setupHeadlessWallet } from "../../src/";

let server: HeadlessWalletServer;

test.beforeEach(async ({ page }) => {
  // MetaMask test seed https://github.com/MetaMask/metamask-extension/blob/v12.8.1/test/e2e/seeder/ganache.ts
  const port: number = 8001;
  const mnemonic: string = "phrase upgrade clock rough situate wedding elder clever doctor stamp excess tent";
  server = new HeadlessWalletServer({ mnemonic, port });
  await server.start();
  await setupHeadlessWallet({ page, port });
});

test.afterEach(async () => {
  await server.stop();
});

test("Metamask Wallet Test Dapp", async ({ page }) => {
  const baseUrl = "https://metamask.github.io/test-dapp/";
  await page.goto(baseUrl);
  await page.getByRole("button", { name: "USE HEADLESS WALLET" }).click();

  await expect(page.getByRole("heading", { name: "Active Provider" })).toBeVisible();
  await expect(page.getByText("Name: Headless Wallet")).toBeVisible();
  await expect(page.locator("#accounts")).toContainText("0xe18035bf8712672935fdb4e5e431b1a0183d2dfc");

  await page.locator("#personalSign").click();
  await expect(page.locator("#personalSignResult")).toContainText(
    "0xc15bfe971658b5bf67da31edc7fc4906755d49f4cf29b9a74d557f88ec73a395069b934d142f63a77a0773b329c32a473492cca79feb1256f11809943ec7ff261c"
  );
});