🏢 Employee Management System (EMS)

A simple Spring Boot project that manages employees with basic CRUD-style APIs. Includes JUnit + Mockito tests for 100% coverage.

🚀 Features

Get employee by ID

Get employees by Department

Each employee has:

id (Long)

name (String)

department (String)

salary (Double)

📌 Technologies

Java 21

Spring Boot 3.x

Spring Data JPA

PostgreSQL (or H2 for tests)

JUnit 5 + Mockito

🔥 API Endpoints Method Endpoint Description GET /employees/{id} Get employee by ID GET /employees/department/{dept} Get employees by department 🧪 Testing

Unit tests with Mockito for service layer

Controller tests with MockMvc

100% test coverage (verified with JaCoCo)