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

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User events: Tonditional rendering with userEvent

User events: Tonditional rendering with userEvent

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

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User events: Tonditional rendering with userEvent

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Hello and welcome. In this session, we'll dive into testing React components that change what they display based on the props they receive and user interactivity. Our main goal is to get comfortable with testing conditional rendering by checking which elements appear in the document and simulating user interactions with them. We'll use our existing UserProfile component which shows different content depending on whether a user is logged in, and then we'll write a test using React Testing Library and UserEvent to verify its behavior and interactivity. Let's get started. Let's get started. Moving to our test file. Now I am preparing our test file for simulating user interactions. To do this, I need to import the UserEvent object. The UserEvent library is a companion to React testing library, and it's the recommended tool for simulating user interactions. It provides a more realistic simulation of browser events than the built-in fire event, dispatching events in the same order a real…

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