JavaScript for a test automation engineer: features, advantages, tools EPAM Campus article

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Senior JS Developer

The role requires daily participation in client-facing stand-ups and ongoing collaboration in a dynamic, fast-paced environment focused on continuous learning. At the time of writing this tutorial on JavaScript automation testing, the WebdriverIO testing framework had 1,093,933 weekly downloads, according to npmjs.com. Below is a graph showing WebdriverIO’s downloads in the past year on NPM trends.

Trainee Software Engineer

In the code above, the beforeAll() method runs a function before any of the tests in a file run. If the function returns a promise or is a generator, Jest waits for that promise to resolve before running tests. You can provide a timeout in milliseconds to specify how long to wait before aborting. An async function called getElementByXpath with Programming language parameters driver, xpath and timeout set to 2000 milliseconds is declared. An async function called getElementById with parameters driver, id and timeout set to 2000 milliseconds are declared.

Lead JavaScript Engineer

At the time of writing this tutorial on JavaScript automation testing, the NightwatchJS testing framework had 121,378 weekly downloads, according to npmjs.com. Below is a graph showing NightwatchJS’s downloads in the past year on NPM trends. The automation testing framework aims to simplify the process of writing and running various types of tests, including end-to-end tests, unit tests, and integration tests. Nightwatch performs browser automation using the industry standard protocol WebDriver, defined as a W3C standard specification. At the time of writing this tutorial on JavaScript automation testing, Jasmine testing framework had 1,534,668 weekly downloads, according to npmjs.com.

• At the time of writing this tutorial on JavaScript automation testing, the Selenium WebDriver had 1,885,982 weekly downloads on npmjs.com.
• Inside the describe block, a variable called driver is declared, and a beforeAll() Jest method is created where it takes two parameters which are a function and timeout.
• Whether you’re a developer or a tester aiming to enhance your skills as a JavaScript automation tester, join the Selenium JavaScript 101 certification program to strengthen your JavaScript expertise.
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Data Research Engineer – AI/ML

The driver parameter is an instance of a Selenium WebDriver used to control a browser. The timeout parameter is the maximum time in milliseconds that the getElementById function will wait for the element to become visible. Test capabilities are configured by passing browser, browser version, and operating system information with LambdaTest Selenium Grid capabilities through the capabilities object. Adding –save-dev to the command helps save the name and version of Jasmine in the dev-dependency object. A beforeEach hook that navigates to the e-commerce site website is created. In this case, we will JavaScript/Automation Engineer (JS) job use three browser and operating system combinations to test whether a user can visit an e-commerce website, search for an item, add the item to the cart, and then check out the item.

A function called updateJob with parameters sessionId and status is created. A test block function called Add Item To Cart containing tests we want to run is created. A usingServer() method defines the remote URL for all builder instances created where the URL should be fully qualified for a WebDriver server. In this section of this tutorial on JavaScript automation testing, we will learn how to create and run a test script using the Jest framework.