Spring Boot JPA Repository using JUnit 5, AssertJ, and BDD-style test methods

This project demonstrates unit and integration testing for a Spring Boot JPA Repository using JUnit 5, AssertJ, and BDD-style test methods. It covers standard CRUD operations and custom query methods using both JPQL and native SQL.

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✅ Features

• Spring Boot + Spring Data JPA
• In-memory H2 database for fast testing
• JUnit 5 with BDD-style method naming
• AssertJ for fluent and readable assertions
• Custom repository queries using:
  • JPQL (with index and named parameters)
  • Native SQL (with index and named parameters)

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🔍 Test Coverage

✅ Save employee

✅ Get all employees

✅ Get employee by ID

✅ Get employee by email

✅ Update employee

✅ Delete employee

✅ Find by JPQL (index and named parameters)

✅ Find by native SQL (index and named parameters)

🧱 Project Structure

springboot-transaction-demo/
├── src/
│   ├── main/
│   │   ├── java/
│   │   │   └── com/javaboy/springboot/
│   │   │       ├── controller/
│   │   │       ├── model/
│   │   │       ├── repository/
│   │   │       └── SpringbootTransactionDemoApplication.java
│   │   └── resources/
│   │       ├── application.properties
│   │       └── ...
│   └── test/
│       └── java/
│           └── com/javaboy/springboot/repository/
│               └── EmployeeRepositoryTests.java
├── pom.xml
└── README.md