Automated Testing Using WebdriverIO

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In this workshop, I cover not only what WebdriverIO can do, but also how you'll be using it day-to-day. I've built the exercises around real-world scenarios that demonstrate how you would actually set things up. It's not just "what to do," but specifically "how to get there." We'll cover the fundamentals of Automated UI testing so you can write maintainable, useful tests for your website and/or web app.

This workshop has been presented at TestJS Summit 2022, check out the latest edition of this JavaScript Conference.

FAQ

Always validate that your tests can fail when the conditions are not met. This involves intentionally breaking your assertions to see if the test fails as expected, which helps confirm that your test is effectively checking the conditions it's supposed to.

A common mistake is testing more than one functionality in a single test, which can increase the scope and potentially lead to brittle tests. Keep the scope of your tests narrow to increase stability and reduce the risk of test failures due to unrelated changes.

Use the 'waitForExist' or similar commands to pause test execution until an element appears on the page. This is particularly useful for handling elements that load asynchronously and may not be immediately available for interaction when the page loads.

WebDriverIO supports multiple strategies for selecting elements, including CSS selectors, link text, partial link text, tag names, and XPath. Using data attributes like 'data-qa' can also make your selectors more robust and less likely to break with UI changes.

You can simulate different network conditions by using the 'throttle' command in WebDriverIO. This allows you to test how your application behaves under various network speeds, helping ensure that your application is robust across different environments.

The 'debug' command in WebDriverIO pauses the execution of tests and drops you into a REPL (Read-Eval-Print Loop), allowing you to inspect the browser state or execute commands manually. This can be invaluable for debugging and understanding the behavior of your tests.

Kevin Lamping
Kevin Lamping
163 min
08 Nov, 2022

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Video Summary and Transcription

This workshop focuses on testing web applications using WebDriverIO, with a demo website called Real World IO. It covers installation, configuration, and running tests using WebDriverIO. The Mocha syntax, debugging techniques, and timeout configuration are discussed. Selectors and their usage, as well as writing tests for the sign-in page and login functionality, are covered. The importance of stable selectors, custom waits, and variable declarations is emphasized.
Video transcription and chapters available for users with access.

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