Add @testdriver.ai/playwright test

Author: ericclemmons

package.json

@@ -2,7 +2,6 @@
   "name": "tauri-app",
   "private": true,
   "version": "0.1.0",
-  "type": "module",
   "scripts": {
     "dev": "vite",
     "build": "tsc && vite build",
@@ -19,6 +18,7 @@
   "devDependencies": {
     "@playwright/test": "^1.55.1",
     "@tauri-apps/cli": "^2",
+    "@testdriver.ai/playwright": "^1.0.3",
     "@types/node": "^24.5.2",
     "@types/react": "^19.1.8",
     "@types/react-dom": "^19.1.6",

tests/testdriver.spec.ts

@@ -0,0 +1,42 @@
+import type { mockIPC } from "@tauri-apps/api/mocks";
+import { expect, test } from "@testdriver.ai/playwright";
+
+// For type-safety of the mockIPC function
+declare global {
+  interface Window {
+    mockIPC: typeof mockIPC;
+  }
+}
+
+// https://tauri.app/develop/tests/mocking/#mocking-commands-for-invoke
+test.beforeEach(async ({ page }) => {
+  await page.goto("http://localhost:1420");
+  await page.evaluate(() => {
+    window.mockIPC((cmd, args) => {
+      switch (cmd) {
+        case "greet":
+          args = args as { name: string };
+          return `Hello, ${args.name}! You've been greeted from Rust!`;
+
+        default:
+          throw new Error(`Unsupported command: ${cmd}`);
+      }
+    });
+  });
+});
+
+test("should have title", async ({ page }) => {
+  await expect(page).toHaveTitle("Tauri + React + TypeScript");
+});
+
+test("should have heading", async ({ page }) => {
+  await expect(page).toMatchPrompt("Heading says 'Welcome to Tauri + React'");
+});
+
+test.describe("should greet with name", () => {
+  test.agent(`
+    - Enter the name "Tauri"
+    - Click the "Greet" button
+    - You should see the text "Hello, Tauri! You've been greeted from Rust!"
+  `);
+});