Introduction @WebMvcTest is a specialized test annotation in Spring Boot used to test REST controllers in isolation. It initializes only the Spring MVC components required for testing controllers, without loading the full application context. This makes tests faster and more focused on the web layer. In this guide, we will cover how to test a […]
Spring Boot + WebMvcTest: Testing REST Controllers Read More »
Introduction Writing reliable tests for REST clients is crucial in modern application development. But testing external API calls can be tricky – we don’t want to depend on real services. WireMock helps us mock API responses efficiently. In this article, we’ll explore how to use WireMock in a Spring Boot project to test API calls
Spring Boot + WireMock example testing REST Clients Read More »
Introduction Are you still afraid of writing tests? Do you think it’s complicated and time-consuming? Relax! It’s much easier than it seems. With Mockito, we can easily create isolated tests that help us verify service operations without touching the real database. In this article, we’ll explore how to properly use @Mock and @InjectMocks to make
Spring Boot + Mockito example unit testing Read More »
Introduction Liquibase is a powerful tool for managing database schema changes. It allows for automatic application, rollback, and tracking of database structure changes in Spring Boot projects. An alternative tool is Flyway, which is also widely used for database migrations. The key differences between them are: Liquibase supports migrations in XML, YAML, JSON, and SQL
Spring Boot + Liquibase Read More »
What are we going to build? In this tutorial, we will set up a Spring Boot application that integrates with Flyway for seamless database migrations. We’ll use PostgreSQL as our database, running in a Docker container. The API will expose device data stored in the database. What is Flyway? Flyway is a database migration tool
Spring Boot + Flyway Read More »