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Merge pull request #4 from oslabs-beta/sandboxes
Reactime End-to-End Testing with Jest and Puppeteer
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‎.gitignore

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node_modules
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/node_modules
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.DS_Store
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src/extension/build/bundles
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package/reactime-*.tgz
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src/extension/build.zip
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src/extension/build.crx
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src/extension/build.pem
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bower_components
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bower_components
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sandboxes/manual-tests/NextJS/.next

‎sandboxes/README.md

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# Reactime End-to-End Testing
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This folder contains automated tests as well as manual tests. The automated Jest / Puppeteer tests can be run by issuing the npm test command from within the root of the automated-tests directory.
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Manual tests have been created for both Concurrent Mode and NextJS. These sandboxes can be launched by issuing the npm start command from within either of the directories inside of the manual-tests folder. Note that for the NextJS sandbox, npm run build should be issued before npm start. These manual sandboxes can also be automated by using the same approach as the automated testing sandboxes.
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Automated Tests
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- useState
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- useEffect
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- useContext
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- useMemo
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- Redux
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- React Router
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- setState
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- Conditional setState
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- componentDidMount
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Manual Tests
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- Concurrent Mode / Suspense
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- Next.js

‎sandboxes/automated-tests/.eslintrc.js

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module.exports = {
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extends: ['airbnb', 'prettier'],
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parser: 'babel-eslint',
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plugins: ['prettier'],
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rules: {
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'prettier/prettier': ['error'],
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'react/jsx-filename-extension': [0],
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'no-console': [0],
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'react/prop-types': [0]
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}
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};

‎sandboxes/automated-tests/.gitignore

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/node_modules/*
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!/node_modules/reactime
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.DS_Store
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index-bundle.js
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typescript-bundle.js
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example.png

‎sandboxes/automated-tests/Backend/server.js

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const express = require('express');
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const path = require('path');
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const app = express();
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app.use(express.static(path.resolve(__dirname, '../', 'Frontend', 'public')));
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const server = app.listen(3000);
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// () => {console.log('Express listening on port 3000');}
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module.exports = server;

‎sandboxes/automated-tests/Frontend/public/index.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<meta name="theme-color" content="#000000" />
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<meta name="description" content="Reactime Sandboxes" />
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<title>Reactime Sandboxes</title>
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</head>
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<body>
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<noscript>You need to enable JavaScript to run this app.</noscript>
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<div id="root">
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HTML in the Root Div
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</div>
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<script src="./index-bundle.js"></script>
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</body>
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</html>

‎sandboxes/automated-tests/Frontend/public/typescript.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<meta name="theme-color" content="#000000" />
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<meta name="description" content="Reactime Sandboxes" />
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<title>Typescript Reactime Sandboxes</title>
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</head>
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<body>
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<noscript>You need to enable JavaScript to run this app.</noscript>
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<div id="root">
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HTML in the Root Div
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</div>
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<script src="./typescript-bundle.js"></script>
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</body>
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</html>

‎sandboxes/automated-tests/README.md

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# reactime-sandboxes
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Sandboxes for testing Reactime

‎sandboxes/automated-tests/__tests__/hooks-redux-router-typescript.js

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/* eslint-disable no-undef */
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import 'babel-polyfill';
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const puppeteer = require('puppeteer');
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const SERVER = require('../Backend/server');
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const APP = 'http://localhost:3000';
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const TYPESCRIPT = 'http://localhost:3000/typescript.html';
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let browser;
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let page;
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describe('Sandbox Tests', () => {
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beforeAll(async () => {
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await SERVER;
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browser = await puppeteer.launch({
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args: ['--no-sandbox', '--disable-setuid-sandbox']
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// headless: false
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});
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page = await browser.newPage();
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});
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afterAll(async () => {
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await SERVER.close();
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await browser.close();
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});
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describe('Non-Typescript Tests', () => {
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describe('Sandbox Launch', () => {
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it('Sandboxes Load Successfully', async () => {
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await page.goto(APP);
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const title = await page.$eval('title', el => el.innerHTML);
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expect(title).toBe('Reactime Sandboxes');
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// await page.screenshot({ path: 'example.png' }); // Add a screenshot
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});
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});
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describe('Hook Tests', () => {
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it('The parent count should be 1 after the button is clicked 2 times', async () => {
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await page.$eval('#increaseButton', el => el.click());
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await page.$eval('#increaseButton', el => el.click());
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const lastSnapshotJSON = await page.$eval(
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'#lastSnapshot',
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el => el.innerHTML
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);
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const lastSnapshot = await JSON.parse(lastSnapshotJSON);
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// The snapshot is 1 event behind currently; if this is changed then the expected value would be 2
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// console.log(JSON.parse(document.querySelector('#lastSnapshot').innerHTML).children[0].children[1].state.count)
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expect(lastSnapshot.children[0].children[1].state.count).toBe(1);
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});
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it('After the both button is clicked 2 times, the first child count should be 1 and the second child count should be 999', async () => {
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await page.$eval('#childBothButton', el => el.click());
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await page.$eval('#childBothButton', el => el.click());
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const lastSnapshotJSON = await page.$eval(
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'#lastSnapshot',
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el => el.innerHTML
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);
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const lastSnapshot = await JSON.parse(lastSnapshotJSON);
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// console.log(JSON.parse(document.querySelector('#lastSnapshot').innerHTML).children[0].children[1].children[0].state.count2)
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expect(
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lastSnapshot.children[0].children[1].children[0].state.count2
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).toBe(1);
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expect(
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lastSnapshot.children[0].children[1].children[0].state.count3
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).toBe(999);
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});
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});
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describe('UseEffect Tests', () => {
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it('Should navigate to the useEffect Tests', async () => {
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await page.$eval('#UseEffect', el => el.click());
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});
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});
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describe('UseContext Tests', () => {
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it('Should navigate to the UseContext Tests', async () => {
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await page.$eval('#UseContext', el => el.click());
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});
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});
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describe('UseMemo Tests', () => {
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it('Should navigate to the UseMemo Tests', async () => {
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await page.$eval('#UseMemo', el => el.click());
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});
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});
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describe('Redux Tests', () => {
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it('Should navigate to the Redux Tests', async () => {
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await page.$eval('#Redux', el => el.click());
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});
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});
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describe('Router Tests', () => {
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it('Should navigate to the Router Tests', async () => {
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await page.$eval('#Router', el => el.click());
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});
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});
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describe('SetState Tests', () => {
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it('Should navigate to the SetState Tests', async () => {
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await page.$eval('#SetState', el => el.click());
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});
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});
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describe('SetStateConditional Tests', () => {
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it('Should navigate to the SetStateConditional Tests', async () => {
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await page.$eval('#SetStateConditional', el => el.click());
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});
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});
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describe('ComponentDidMount Tests', () => {
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it('Should navigate to the ComponentDidMount Tests', async () => {
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await page.$eval('#ComponentDidMount', el => el.click());
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});
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});
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});
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describe('Typescript Tests', () => {
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describe('Typescript Sandbox Launch', () => {
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it('Typescript Sandboxes Load Successfully', async () => {
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await page.goto(TYPESCRIPT);
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const title = await page.$eval('title', el => el.innerHTML);
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expect(title).toBe('Typescript Reactime Sandboxes');
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// await page.screenshot({ path: 'example.png' }); // Add a screenshot
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});
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});
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describe('Typescript Hook Tests', () => {
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describe('UseEffect Tests', () => {
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it('Should navigate to the useEffect Tests', async () => {
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await page.$eval('#UseEffect', el => el.click());
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});
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});
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describe('UseContext Tests', () => {
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it('Should navigate to the UseContext Tests', async () => {
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await page.$eval('#UseContext', el => el.click());
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});
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});
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describe('UseMemo Tests', () => {
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it('Should navigate to the UseMemo Tests', async () => {
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await page.$eval('#UseMemo', el => el.click());
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});
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});
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describe('Redux Tests', () => {
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it('Should navigate to the Redux Tests', async () => {
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await page.$eval('#Redux', el => el.click());
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});
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});
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describe('Router Tests', () => {
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it('Should navigate to the Router Tests', async () => {
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await page.$eval('#Router', el => el.click());
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});
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});
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describe('SetState Tests', () => {
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it('Should navigate to the SetState Tests', async () => {
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await page.$eval('#SetState', el => el.click());
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});
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});
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describe('ComponentDidMount Tests', () => {
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it('Should navigate to the ComponentDidMount Tests', async () => {
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await page.$eval('#ComponentDidMount', el => el.click());
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});
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});
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});
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});
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});

‎sandboxes/automated-tests/babel.config.js

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module.exports = {
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presets: ['@babel/preset-env', '@babel/preset-react'],
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plugins: [['@babel/plugin-proposal-class-properties', { loose: true }]]
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};

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