From the course: Master React 19 and Next.js 16 with Hands-On Projects and Real-World Applications

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Testing toggle interactions (expand/collapse)

Testing toggle interactions (expand/collapse)

From the course: Master React 19 and Next.js 16 with Hands-On Projects and Real-World Applications

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Testing toggle interactions (expand/collapse)

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Hello, and welcome to this session on testing toggle interactions. The main goal today is to learn how to confidently test React components that have dynamic expand and collapse behavior. We will build a simple accordion component from scratch. Then the really interesting part is that we will write a test that simulates a user clicking to open and close it, ensuring that the hidden content is correctly shown or removed from the screen based on these actions. This is a fundamental skill for building reliable and user-friendly interfaces. Okay, let's get our hands dirty. I want you to create two new files inside your src slash components directory. One will be called accordion dot jx – that's where our actual component code will live, and the other one, accordion.test.jx, will hold all of our tests for the component. Moving to accordion.jsx. We're creating the basic accordion component. I've defined a functional component, accordion, using object destructuring for title and children…

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