Puppeteer automation testing framework index.
Puppeteer is a Node library which provides a high-level API to control Chrome or Chromium over the DevTools Protocol. Puppeteer runs headless by default.
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Selenium is still the most influential and well-developed framework for web automation testing. Being one of the best automation frameworks with constantly evolving features, it is poised to lead the industry in all aspects as compared to other trending frameworks like Cypress, Puppeteer, PlayWright, etc. Furthermore, using Selenium gives you the flexibility to use different programming languages like C#, Ruby, Perl, Java, Python, etc., and also accommodate different operating systems and web browsers for Selenium automation testing.
We were eager to listen to Manoj Kumar, VP Developer Relations, LambdaTest, speak on the importance of Selenium 4.0 and how bright the future is. This was the agenda of the speech:
Staying competitive in today’s corporate world necessitates a continual delivery of client satisfaction. Accelerating release cycles has emerged as a key distinction for businesses wanting to grow their client base. Enterprise tests and releases are built on the foundation of code-level acceleration. It allows teams to write tests at the appropriate level of abstraction to run sooner in the pipeline, iterate faster and at scale, and release higher-quality code faster than ever before.
When it comes to web automation testing, there are a number of frameworks like Selenium, Cypress, PlayWright, Puppeteer, etc., that make it to the ‘preferred list’ of frameworks. The choice of test automation framework depends on a range of parameters like type, complexity, scale, along with the framework expertise available within the team. However, it’s no surprise that Selenium is still the most preferred framework among developers and QAs.
Ruby is a programming language which is well suitable for web automation. Ruby makes an excellent choice because of its clean syntax, focus on built-in library integrations, and an active community. Another benefit of Ruby is that it also allows other programming languages like Java, Python, etc. to be used in order to automate applications written in any other frameworks. Therefore you can use Selenium Ruby to automate any sort of application in your system and test the results in any type of testing environment
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Puppeteer is lincensed under the Apache License 2.0
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If you want support of all browser and devices use https://github.com/wswebcreation/wdio-image-comparison-service
Alternately, with WebdriverIO 6 (maybe with 5 as well) it's possible to use Puppeteer commands. With Puppeteer, it's possible to take full-page screenshots, see https://github.com/puppeteer/puppeteer/blob/v5.3.1/docs/api.md#pagescreenshotoptions
// Mocha example
describe('Screenshot', () => {
// replace with beforeAll in Jasmine!
before(() => {
// add command to reuse easily everywhere in the project
// https://webdriver.io/docs/customcommands.html
browser.addCommand('takeFullPageScreenshot', function (options = {}) {
// Puppeteer commands should be wrapped with browser.call
// because they return Promises
// https://webdriver.io/docs/api/browser/call.html
return browser.call(async () => {
// https://webdriver.io/docs/api/browser/getPuppeteer.html
const puppeteer = await browser.getPuppeteer()
// now we interact with Puppeteer API
// https://github.com/puppeteer/puppeteer/blob/v5.3.1/docs/api.md#browserpages
const pages = await puppeteer.pages()
// https://github.com/puppeteer/puppeteer/blob/v5.3.1/docs/api.md#pagescreenshotoptions
return pages[0].screenshot({ ...options, fullPage: true })
})
})
})
it('should take full page screenshot', () => {
browser.url('https://stackoverflow.com/questions/64242220/how-to-take-full-web-page-screenshot-using-webdriverio-command')
// somehow wait for page to load
expect($('.user-details')).toBeVisible()
// take screenshot and save to file
browser.takeFullPageScreenshot({ path: './screenshot.png' })
// take screenshot but don't save to file
const screenshot = browser.takeFullPageScreenshot()
})
})
Description:
Page text should be left-justified.
Description:
Verify that the API response contains the correct resource representation based on the specified locale (e.g. en-US, fr-FR).
Description:
Verify that the API correctly handles CORS preflight requests and returns the correct HTTP status code and error message.
Description:
Check all pages for broken links.
Puppeteer can be downloaded from it’s GitHub repository - https://github.com/puppeteer/puppeteer
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