Thread by @xpvit

Top 6 #Java testing libraries every Java developer should know about and use 👇

JUnit 5 - unit testing framework for the Java programming language.

junit.org/junit5/

AssertJ by @JoCosti - fluent chaining assertions java library. One of the most powerful and convenient ways to write assertions. It's also included in the @springboot test framework.

assertj.github.io/doc/

@JoCosti @springboot Awaitility by @johanhaleby - DSL that allows you to express expectations of an asynchronous system in a concise and easy to read manner. Write better tests in asynchronous and multi-threaded apps. It helps to get rid of "Thread.sleep(1000)" in your tests.
github.com/awaitility/awa…

@JoCosti @springboot @johanhaleby REST Assured by @johanhaleby brings simplicity to testing and validating REST services in Java.
rest-assured.io

@JoCosti @springboot @johanhaleby XMLUnit by Stefan Bodewig - a library that supports testing XML output in several ways. Assert your XMLs with pleasure.
github.com/xmlunit/xmlunit

@JoCosti @springboot @johanhaleby JsonUnit @lukas_krecan - a library that simplifies JSON comparison in tests. I especially enjoy its AssertJ integration.
github.com/lukas-krecan/J…

@JoCosti @springboot @johanhaleby @lukas_krecan Use these libs in your Java projects, make your tests better, and respect to creators.

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Mockito by @mockitoguy - the most popular and very tasty mocking framework for unit tests in Java.

site.mockito.org

+Mockito by @mockitoguy
- the most popular and very tasty mocking framework for unit tests in Java.

site.mockito.org

+Testcontainers by @whichrich - a Docker-based tool to aid in­te­gration test­ing in Java. Runs instances of databases, Selenium web browsers, or anything else that can run in a Docker container. @bsideup contributes a lot to testcontainers-java.

testcontainers.org

+WireMock by @TomAkehurst - the flexible tool for building mock APIs. Enables you to test your HTTP clients without accessing real remote API servers.

wiremock.org