AssertJ Courses and Certifications

Spring I/O

Better Assertions with AssertJ

Discover how AssertJ transforms test failures into actionable insights with fluent assertions, MockMvcTester integration, and OpenRewrite recipes for better debugging.

• YouTube
• 48 minutes
• Self-Paced
• Free Video

JetBrains

Mastering Java Testing With JUnit, Mockito, and AssertJ in IntelliJ IDEA

Enhance Java testing skills using JUnit, Mockito, and AssertJ in IntelliJ IDEA. Learn efficient test creation, mocking techniques, and expressive assertions for robust, maintainable applications.

• YouTube
• 1 hour 1 minute
• Self-Paced
• Free Video

Devoxx

Write Awesome Tests

Learn essential techniques for writing effective unit tests, including best practices, pitfalls to avoid, and how to optimize for readability and maintainability.

• YouTube
• 46 minutes
• Self-Paced
• Conference Talk

Dan Vega

Spring Boot Testing - Batteries Included

Comprehensive guide to out-of-the-box testing capabilities in Spring Boot applications, covering essential libraries and best practices for effective test implementation.

• YouTube
• 41 minutes
• Self-Paced
• Free Video

Dan Vega

MockMvcTester vs RestTestClient - Which One Should You Use in Spring Boot 4?

Explore MockMvcTester vs RestTestClient in Spring Boot 4 testing. Compare both approaches, learn when to use each, and see practical examples with AssertJ-style assertions.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

Devoxx

Major Migrations Made Easy

Discover how OpenRewrite enables quick, safe migrations of JVM frameworks and tools. Learn to upgrade Spring, adopt JUnit 5, and more in minutes using fine-grained recipes and abstract syntax trees.

• YouTube
• 29 minutes
• Self-Paced
• Conference Talk

Spring I/O

Major Migrations Made Easy

Learn to quickly upgrade Java frameworks and tools using OpenRewrite, enabling safe and efficient large-scale migrations for Spring, JUnit, logging libraries, and more.

• YouTube
• 45 minutes
• Self-Paced
• Conference Talk

Eclipse Foundation

Data-Driven Testing with Jakarta Persistence Specifications and NoSQL

Master data-driven testing techniques using Jakarta Persistence, exploring JUnit Jupiter, AssertJ, and TestContainer frameworks to create robust domain-driven tests with NoSQL technologies.

• YouTube
• 43 minutes
• Self-Paced
• Free Video