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

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Testing form field initial values

Testing form field initial values

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

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Testing form field initial values

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Hello and welcome. In this session, I'm going to show you how to test initial values for form fields in a React application. Specifically, we'll focus on ensuring that our input fields start empty, which is a common requirement for forms like login or registration. We'll build a simple login form and then write a test to verify that the fields correctly have no initial value. This is a fundamental concept for creating predictable and user-friendly forms. Ok, let's get started by creating the two files we'll be working with. Inside our src slash components directory, we're going to create loginform.jsx, which will hold the actual login form component, and login.test.jsx, where we'll write our tests. to LoginForm.jsx Ok, let's create our Login component. We've defined a new functional component called Login which returns a basic HTML form element. I've added an e-mail input field wrapped in a label. The input has type e-mail for validation and default value set to an empty string to…

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