test(ct): react router (#18602)

tests/components/ct-react/package.json

@@ -3,11 +3,14 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
+    "react": "^17.0.2",
+    "react-dom": "^17.0.2",
+    "react-router-dom": "^6.4.2"    
+  },
+  "devDependencies": {
     "@types/node": "^16.11.26",
     "@types/react": "^17.0.39",
     "@types/react-dom": "^17.0.13",
-    "react": "^17.0.2",
-    "react-dom": "^17.0.2",
     "react-scripts": "5.0.0",
     "typescript": "^4.6.2"
   },

tests/components/ct-react/src/App.css

@@ -1,38 +0,0 @@
-.App {
-  text-align: center;
-}
-
-.App-logo {
-  height: 40vmin;
-  pointer-events: none;
-}
-
-@media (prefers-reduced-motion: no-preference) {
-  .App-logo {
-    animation: App-logo-spin infinite 20s linear;
-  }
-}
-
-.App-header {
-  background-color: #282c34;
-  min-height: 100vh;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  font-size: calc(10px + 2vmin);
-  color: white;
-}
-
-.App-link {
-  color: #61dafb;
-}
-
-@keyframes App-logo-spin {
-  from {
-    transform: rotate(0deg);
-  }
-  to {
-    transform: rotate(360deg);
-  }
-}

tests/components/ct-react/src/App.tsx

@@ -1,25 +1,20 @@
+import { Routes, Route, Link } from 'react-router-dom';
 import logo from './assets/logo.svg';
-import './App.css';
+import LoginPage from './pages/LoginPage';
+import DashboardPage from './pages/DashboardPage';
 
-function App() {
-  return (
-    <div className="App">
-      <header className="App-header">
-        <img src={logo} className="App-logo" alt="logo" />
-        <p>
-          Edit <code>src/App.tsx</code> and save to reload.
-        </p>
-        <a
-          className="App-link"
-          href="https://reactjs.org"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          Learn React
-        </a>
-      </header>
-    </div>
-  );
+export default function App() {
+  return <>
+    <header>
+      <img src={logo} alt="logo" width={125} height={125} />
+      <Link to="/">Login</Link>
+      <Link to="/dashboard">Dashboard</Link>
+    </header>
+    <Routes>
+      <Route path="/">
+        <Route index element={<LoginPage />} />
+        <Route path="dashboard" element={<DashboardPage />} />
+      </Route>
+    </Routes>
+  </>
 }
-
-export default App;

tests/components/ct-react/src/index.js

@@ -1,11 +1,12 @@
 import React from 'react';
 import ReactDOM from 'react-dom';
-import './App.css';
+import { BrowserRouter } from 'react-router-dom';
 import App from './App';
+import './assets/index.css';
 
 ReactDOM.render(
   <React.StrictMode>
-    <App />
+    <BrowserRouter><App /></BrowserRouter>
   </React.StrictMode>,
   document.getElementById('root')
 );

tests/components/ct-react/src/pages/DashboardPage.tsx

@@ -0,0 +1,3 @@
+export default function DashboardPage() {
+  return <main>Dashboard</main>
+}

tests/components/ct-react/src/pages/LoginPage.tsx

@@ -0,0 +1,3 @@
+export default function LoginPage() {
+  return <main>Login</main>
+}

tests/components/ct-react/src/tests.spec.tsx

@@ -1,5 +1,7 @@
 import { test, expect } from '@playwright/experimental-ct-react';
 const { serverFixtures } = require('../../../../tests/config/serverFixtures');
+import { BrowserRouter } from 'react-router-dom';
+import App from './App';
 import Fetch from './components/Fetch';
 import DelayedData from './components/DelayedData';
 import Button from './components/Button';
@@ -148,6 +150,15 @@ test('get textContent of the empty fragment', async ({ mount }) => {
   await expect(component).toHaveText('');
 });
 
+test('navigate to a page by clicking a link', async ({ page, mount }) => {
+  const component = await mount(<BrowserRouter><App /></BrowserRouter>);
+  await expect(component.getByRole('main')).toHaveText('Login');
+  await expect(page).toHaveURL('/');
+  await component.getByRole('link', { name: 'Dashboard' }).click();
+  await expect(component.getByRole('main')).toHaveText('Dashboard');
+  await expect(page).toHaveURL('/dashboard');
+});
+
 const testWithServer = test.extend(serverFixtures);
 testWithServer('components routing should go through context', async ({ mount, context, server }) => {
   server.setRoute('/hello', (req: any, res: any) => {