Implement JaCoCo in a Spring Boot Project: A Step-by-Step Guide

Overview:

JaCoCo (Java Code Coverage) is a widely-used code coverage library for Java applications. It helps developers track how much of their code is being tested by unit tests, ensuring high test coverage and improving code quality. This guide walks you through implementing JaCoCo in a Spring Boot project, from setting up JaCoCo to generating detailed code coverage reports.

Implement JaCoCo in a Spring Boot Project: A Step-by-Step Guide

Purpose:

This article aims to provide a detailed, step-by-step tutorial for integrating JaCoCo into your Spring Boot project. It is designed for developers who want to ensure that their unit tests effectively cover the codebase.

Table of Contents:

1. What is JaCoCo?
2. Why Use JaCoCo in Spring Boot?
3. Setting Up JaCoCo in a Spring Boot Project

Adding the JaCoCo Maven Plugin

Configuring JaCoCo Plugin

4. Running JaCoCo and Generating Reports

• Executing Tests with JaCoCo
• Viewing the Coverage Reports

5 Advanced JaCoCo Configurations

• Excluding Packages or Classes