Spring Boot Testing with JUnit 5, Mockito & Testcontainers

Unit tests and Integration tests for Spring Boot App and Spring WebFlux App using JUnit 5, Mockito and Testcontainers

Created by: Ramesh Fadatare (Java Guides)
Software Engineer, Spring Certified, YouTuber and Instructor

What Will I 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 everything about JUnit Framework 5
• 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.
• Learn to write Integration Tests using a Testcontainers
• Learn Building Reactive CRUD REST APIs using Spring WebFlux and MongoDB
• Learn Unit Testing Reactive CRUD REST APIs using JUnit and Mockito
• Learn Integration Testing Reactive CRUD REST APIs using WebTestClient

Requirements

• Java programming
• Good to know JUnit and Mockito basics
• Good to know Spring Boot basics
• Basic understanding of using IntelliJ IDEA

Target audience

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