Testing Spring Boot Application with JUnit and Mockito

Learn to write Unit tests and Integration tests for Spring Boot App using JUnit, Mockito, AssertJ, Hamcrest & JsonPath

What you'll learn
Learn to write industry-standard Unit and Integration tests in BDD (Behaviour Driven Development) style using Spring Boot Starter Test dependency from scratch
Learn how to use BDD (Behaviour Driven Development) format that is given/when/then to write Unit tests.
Learn to Unit test Spring boot application Repository layer
Learn to Unit test Spring boot application Service layer
Learn to Unit test Spring boot application Controller layer - Unit test REST API's
Learn how to do Integration testing for the Spring boot application
You will learn to use the most important Unit Testing annotations - @SpringBootTest, @WebMvcTest, @DataJpaTest, and @MockBean
Use all the frameworks in Spring Boot Starter Test - JUnit, Spring Test, Spring Boot Test, AssertJ, Hamcrest, Mockito, JSONassert, and JsonPath.
You will learn to write Unit tests using Mocks and Stubs created with Mockito
Learn how to use Mockito annotations to create mock objects.
Learn to Write Integration Tests using a MySQL database
You will learn to write independent Integration tests for RESTFUL web services talking with MULTIPLE LAYERS - controller, service, and repository layers.

Description
In this course, you will learn how to write Unit tests and Integration tests in BDD style for Spring Boot application using JUnit 5, Mockito, AssertJ, Hamcrest & JsonPath frameworks.

The objective of this course is to teach you how to Unit test different layers of the Spring boot application such as repository, service, and controller layers. Also how to test the integration of these three layers using Integration testing.

Type the code along with me in the videos. If you follow along with me then this will enhance your learning experience.

The source code and PDF files (class notes) are available for download.

Spring Boot Overview

Spring Boot is an opinionated framework that helps developers build Spring-based applications quickly and easily.

The main goal of Spring Boot is to quickly create Spring-based applications without requiring developers to write the same boilerplate configuration again and again.

Spring Boot is a very popular framework to develop REST web services and microservices.

What you'll learn?

Learn to write industry-standard Unit and Integration tests in BDD (Behaviour Driven Development) style using Spring Boot Starter Test dependency from scratch

Learn how to use BDD (Behaviour Driven Development) format that is given/when/then to write Unit tests.

Learn to Unit test Spring boot application Repository layer

Learn to Unit test Spring boot application Service layer

Learn to Unit test Spring boot application Controller layer

Learn how to do Integration testing for the Spring boot application.

You will learn to use the most important Unit Testing ANNOTATIONS - @SpringBootTest, @WebMvcTest, @DataJpaTest, and @MockBean

Use ALL the FRAMEWORKS in Spring Boot Starter Test - JUnit, Spring Test, Spring Boot Test, AssertJ, Hamcrest, Mockito, JSONassert, and JsonPath.

You will learn to write Unit tests using Mocks and Stubs created with Mockito

Learn how to use Mockito annotations to create mock objects.

Learn to Write Integration Tests using a MySQL database.

You will learn to Write INDEPENDENT Integration tests for RESTFUL web services talking with MULTIPLE LAYERS - controller, service, and repository layers.

Tools and Technologies used in this course

Technologies and Libraries

Java 11+

Spring Boot

Spring MVC

Spring Data JPA ( Hibernate)

JUnit 5 Framework

Mockito 4 (Latest)

Hamcrest framework

AssertJ Library

JsonPath Library

IDE

Intellij IDEA

Database

H2 In-memory database ( for repository layer testing)

MySQL database ( for Integration testing)

Who this course is for
This is course is for beginners as well as professional to teach how to write Unit and Integration tests for Spring boot application.