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End-to-End (E2E) testing End-to-end testing involves ensuring that that integrated components of an application function as expected. For example, a simplified end- to-end testing of an email application might involve: • Logging in to the application • Accessing the inbox • Opening and closing the mailbox • Composing, forwarding or replying to email • Checking the sent items • Logging out of the application 

Move Fast & Don't Break Things – Ankit Mehta, Google, 2014 GTAC 

Move Fast & Don't Break Things – Ankit Mehta, Google, 2014 GTAC 

֩৺ྲྀఔ 爛了了就會接到電話的 

Manually… IT WORKS™ 

ጺ ⼯工程師的美德 https://github.com/NARKOZ/hacker-scripts 

Nightwatch.js Browser automated testing done easy. 

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ᐽՍ 幫你把惡惡魔藏起來來，簡化世界 

Good Parts • Clear Syntax • Controls the Selenium standalone server for you • BrowserStacks / SauceLabs support • Page Objects • Global Objects • Customizable 

Good Syntax driver.get('http://www.google.com/ncr'); driver.findElement(By.name('q')).sendKeys('webdriver'); driver.findElement(By.name('btnG')).click(); WebDriver 

Good Syntax Nightwatch client .url('http://www.google.com/ncr') .setValue('[name=q]', 'webdriver') .click('[name=btnG]') 

Page Object module.exports = { url: function() { return this.api.launchUrl; }, elements: { account: { selector: 'input[name="account"]' }, password: { selector: 'input[name="password"]' }, submit: { selector: 'button[type="submit"]' } }, commands: [commands] }; page-objects/login.js 

Usage var loginPage = this.page.login(); loginPage .navigate() .setValue('@account', account.email) .setValue('@password', account.password) .click('@submit') 

Global Objects const ACCOUNTS = { 'USER': { email: '[email protected]', password: '…' }, }; module.exports = { LOAD_SPEED: 1000, ACCOUNTS: ACCOUNTS }; 

Custom Command page-objects/changePassword.js const commands = { changePassword: function(password, confirmPassword) { this .navigate() .setValue('@password', password) .setValue('@confirmPassword', confirmPassword) .click('@submit'); return this; } }; 

Usage var changePasswordPage = client.page.changePassword(); var newPassword = 'loremipsum'; changePasswordPage .navigate() .wait() .changePassword(newPassword, newPassword); 

Drawbacks • Setup takes time http://nightwatchjs.org/getingstarted • 拿我的安裝包～ • No promise support • Use not-so-well-documented perform command http:// nightwatchjs.org/api/perform.html 

DEMO