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

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User events: Testing button clicks with userEvent.click

User events: Testing button clicks with userEvent.click

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

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User events: Testing button clicks with userEvent.click

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Hello, and welcome! In this session I'm going to guide you through a fundamental aspect of front-end testing – simulating user events. Specifically, we'll focus on how to test that a button behaves as expected when a user clicks it. You'll learn how to use the userEvent.click method from the React Testing Library to fire click events and then verify the outcome, such as whether a function was called or if the button's state changes correctly. This is a crucial skill for building reliable and robust user interfaces. Let's get started by looking at our initial component file, SubmitButton.jsx. This introduces a simple SubmitButton component. It accepts a Disabled prop, which is passed directly to the button element's Disabled attribute controlling whether the button is enabled or not. I've added an OnClick prop to the SubmitButton component. This allows us to pass a function that will be executed when the button is clicked. Okay, let's make that OnClick prop actually do something. I've…

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