JUnit Framework, AssertJ, Apache Groovy, Apache Grails, and Spock Framework are early adopters of TestLens.

https://youtu.be/W7BhLNVHuqo

AssertJ has been a player in Java testing for over a decade, providing an intuitive set of strongly typed assertions designed to maximize test readability. Since the launch of version 3.0, the library...

AssertJ has been a player in Java testing for over a decade, providing an intuitive set of strongly typed assertions designed to maximize test readability. Since the launch of version 3.0, the library...

What's Changed Incorporates the latest versions of OpenRewrite (v8.73.0), the rewrite-gradle-plugin (v7.26.0), and the rewrite-maven-plugin (v6.29.0) to improve code parsing accuracy and recipe ex...

🔒 Security Core Fix XXE vulnerability in isXmlEqualTo assertion (CVE-2026-24400) See GHSA-rqfh-9r24-8c9r for details; many thanks to @wxt201 and @Song-Li for responsibly reporting it! 🚫 Deprec...

Contribute to martinellich/testcontainers-mailpit development by creating an account on GitHub.

YouTube video by Mike Møller Nielsen

We recently talked about how version 4 still needs a bit more work and probably won't be ready until at least the first half of 2026. Releasing a new major version is a rare opportunity for us: we ...

What's Changed Incorporates the latest versions of OpenRewrite (v8.68.1), the rewrite-gradle-plugin (v7.22.0), and the rewrite-maven-plugin (v6.25.0) to improve code parsing accuracy and recipe ex...

We recently talked about how version 4 still needs a bit more work and probably won't be ready until at least the first half of 2026. Releasing a new major version is a rare opportunity for us: we ...

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🐛 Bug Fixes Core Add missing export for org.assertj.core.annotation #3951 ❤️ Contributors Thanks to all the contributors who worked on this release: @duponter

⚡ Improvements Core ByteBuddy in AssertJ 3.27.4 not compatible with Java 25 #3946 🔨 Dependency Upgrades Core Upgrade to Byte Buddy 1.17.7 #3947 Upgrade to JUnit BOM 5.13.4 #3947 Guava Upgrade ...

YouTube video by Spring I/O

Introduction If you don't know what a soft assertion is, please read Soft Asserts – Why should you use them for Unit and Integration tests? This article is a continuation of Assert with Grace: Custom…

🚫 Deprecated Core Deprecate org.assertj.core.annotations.Beta in favor of org.assertj.core.annotation.Beta Deprecate org.assertj.core.util.CanIgnoreReturnValue in favor of org.assertj.core.annotat...

Introduction If you don't know what a soft assertion is, please read Soft Asserts – Why should you use them for Unit and Integration tests? This article is a continuation of Assert with Grace: Custom…

AssertJ is a library providing easy to use rich typed assertions - assertj/assertj

What's Changed OpenRewrite v8.59.1 rewrite-gradle-plugin v7.12.1 rewrite-maven-plugin v6.15.0 Full Changelog: v6.15.0

Hi @mchmielarz and @pivovarit, a user on BlueSky asked when the 0.5.0 release for assertj-vavr will happen. Any new release under the AssertJ namespace will need to be done via the Sonatype Central...

Sometimes, users and contributors would like to engage more interactively with both maintainers and the rest of the community, and communicating via GitHub might feel intimidating.

In Java, writing tests often involves comparing objects to ensure they meet expected conditions. Typically, developers use assertions to…

This blog post helps us to identify the required test cases and describes how we can write unit tests for a Spring MVC REST API endpoint that returns an object as JSON.

Spring Framework 6.2 introduced MockMvcTester to support writing AssertJ style assertions using AssertJ under the hood. If you’re using Spring Boot, the spring-boot-starter-test dependency transiti

What's Changed OpenRewrite v8.50.2 rewrite-gradle-plugin v7.4.1 rewrite-maven-plugin v6.6.0 Full Changelog: v6.6.0