Testing JavaScript Applications

11 Writing UI-based end-to-end tests

This chapter covers

• Writing end-to-end UI tests
• Eliminating flakiness
• Best practices for end-to-end UI tests
• Running tests on multiple browsers
• Performing visual regression testing

It doesn’t matter how many business books you read or how many successful pastry chefs you talk to—to open your own business, you have to roll up your sleeves and put in the work. Learning about the “good principles” is useful, but without baking and talking to customers yourself, you can’t succeed.

Also in testing, learning about the different tools you can use and understanding their trade-offs is helpful, but, without writing tests yourself, you won’t know how to build reliable software in less time.

In this chapter, you’ll ...