Book Image

Full Stack Development with Spring Boot 3 and React - Fourth Edition

By : Juha Hinkula
5 (1)
Book Image

Full Stack Development with Spring Boot 3 and React - Fourth Edition

5 (1)
By: Juha Hinkula

Overview of this book

If you’re an existing Java developer who wants to go full stack or pick up another frontend framework, this book is your concise introduction to React. In this three-part build-along, you’ll create a robust Spring Boot backend, a React frontend, and then deploy them together. This new edition is updated to Spring Boot 3 and includes expanded content on security and testing. For the first time ever, it also covers React development with the in-demand TypeScript. You’ll explore the elements that go into creating a REST API and testing, securing, and deploying your applications. You’ll learn about custom Hooks, third-party components, and MUI. By the end of this book, you'll be able to build a full stack application using the latest tools and modern best practices.
Table of Contents (23 chapters)
1
Part I: Backend Programming with Spring Boot
8
Part II: Frontend Programming with React
14
Part III: Full Stack Development
21
Other Books You May Enjoy
22
Index

Using the React Testing Library

The React Testing Library (https://testing-library.com/) is a set of tools and APIs for testing React components. It can be used for DOM testing and queries. The React Testing Library provides a set of query functions that help you search elements based on their text content, label, and so on. It also provides tools to simulate user actions such as clicking a button and typing into input fields.

Let’s go through some important concepts in the React Testing Library. The Testing Library provides a render() method that renders a React element into the DOM and makes it available for testing:

import { render } from '@testing-library/react'
render(<MyComponent />);

Queries can be used to find elements on the page. The screen object is a utility for querying the rendered components. It provides a set of query methods that can be used to find elements on the page. There are different types of queries that start with various...