Java Testing by Dev Activity

8.7

9.8

TestContainers

8.9

9.3

Apache JMeter

8.6

9.5

Gatling

8.4

9.3

Cucumber

8.2

9.8

MockServer

7.4

9.6

AssertJ

54 Testing libraries and projects

TestContainers

8.7 9.8 L5 Java

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
Apache JMeter

8.9 9.3 L2 Java

Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services

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Gatling

8.6 9.5 Scala

Modern Load Testing as Code
Cucumber

8.4 9.3 L5 Java

Cucumber for the JVM
MockServer

8.2 9.8 L2 Java

MockServer enables easy mocking of any system you integrate with via HTTP or HTTPS with clients written in Java, JavaScript and Ruby. MockServer also includes a proxy that introspects all proxied traffic including encrypted SSL traffic and supports Port Forwarding, Web Proxying (i.e. HTTP proxy), HTTPS Tunneling Proxying (using HTTP CONNECT) and SOCKS Proxying (i.e. dynamic port forwarding).
AssertJ

7.4 9.6 L4 Java

AssertJ is a library providing easy to use rich typed assertions
Pact JVM

6.4 9.2 Kotlin

JVM version of Pact. Enables consumer driven contract testing, providing a mock service and DSL for the consumer project, and interaction playback and verification for the service provider project.
Selenide

7.0 9.6 L5 Java

Concise UI Tests with Java!
Karate

8.8 9.1 Java

Test Automation Made Simple
Moco

8.3 8.7 L4 Java

Easy Setup Stub Server
Mockito

9.4 8.9 L4 Java

Most popular Mocking framework for unit tests written in Java
Citrus

4.6 8.3 Java

Framework for automated integration tests with focus on messaging integration
WireMock

8.5 8.4 L5 Java

A tool for mocking HTTP services
TestNG

7.7 7.9 L2 Java

TestNG testing framework
ArchUnit

7.1 9.2 Java

A Java architecture test library, to specify and assert architecture rules in plain Java
GreenMail

4.9 8.3 L3 Java

Official master for the Greenmail project
Arquillian

3.6

Integration and functional testing platform for Java EE containers.
Spock

7.8 9.0 L4 Java

The Enterprise-ready testing and specification framework.
REST Assured

8.8 8.5 L5 Java

Java DSL for easy testing of REST services
Truth

7.3 8.4 L3 Java

Fluent assertions for Java and Android
RabbitMQ-mock

3.2 0.0 Java

Mock for RabbitMQ Java amqp-client
JGiven

4.3 9.1 L4 Java

Behavior-Driven Development in plain Java
JBehave

2.3 8.6 L4 Java

Framework for Behavioural Driven Development.
Cukes-REST

3.3 4.4 L4 Java

Cucumber DSL for testing RESTful Web Services
Hoverfly Java

3.3 5.7 Java

Java binding for Hoverfly
PIT

6.5 9.2 L4 Java

State of the art mutation testing system for the JVM
Mutability Detector

3.8 4.0 Java

Lightweight analysis tool for detecting mutability in Java classes
Awaitility

7.6 6.0 L5 Java

Awaitility is a small Java DSL for synchronizing asynchronous operations
junit-dataprovider

4.1 2.5 Java

A TestNG like dataprovider runner for JUnit with many additional features
JUnit

9.2 2.7 L5 Java

A programmer-oriented testing framework for Java.
Hamcrest

7.1 7.8 L5 Java

Java (and original) version of Hamcrest
PowerMock

8.1 3.2 L1 Java

PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.
JMock

3.4 0.0 Java

An expressive Mock Object library for Test Driven Development
JMockit

5.1 0.0 L5 Java

Advanced Java library for integration testing, mocking, faking, and code coverage
JFairy

5.2 2.5 L5 Java

Java fake data generator
Scott Test Reporter

2.9 0.0 L4 Java

Never debug a test again: Detailed failure reports and hassle free assertions for Java tests - Power Asserts for Java
pojo-tester

2.8 0.0 L5 Java

Java testing framework for testing pojo methods. It tests equals, hashCode, toString, getters, setters, constructors and whatever you report in issues ;)
System Rules

4.5 0.0 Java

A collection of JUnit rules for testing code which uses java.lang.System.
JSONAssert

5.6 6.1 L4 Java

Write JSON unit tests in less code. Great for testing REST interfaces.
beanmother

2.9 0.0 Java

A library for setting up Java objects as test data.
Lamdba Behave

3.7 0.0 L5 Java

A modern testing and behavioural specification framework for Java 8
TRUST

1.7 0.0 Java

Test Results Verification library for Java
JUnitParams

5.6 0.0 HTML

Parameterised tests that don't suck
Selenium

5.7 0.0 L5 Java

Portable software testing framework for web applications.
J8Spec

2.4 2.5 L5 Java

Library that allows tests written in Java to follow the BDD style introduced by RSpec and Jasmine.
ConcurrentUnit

4.1 0.0 L5 Java

Toolkit for testing multi-threaded and asynchronous applications
raml-tester

2.6 0.0 L5 Java

Test if a request/response matches a given raml definition
Jukito

3.8 0.0 L4 Java

The combined power of JUnit, Guice and Mockito. Plus it sounds like a cool martial art.
Fixture Factory

4.6 0.0 Java

Generator fake objects from a template
Burst

4.2 0.0 Java

A unit testing library for varying test data.
Galen

6.2 0.0 Java

Layout and functional testing framework for websites
Randomized Testing

3.4 7.0 Java

Randomized Testing (Core JUnit Runner, ANT, Maven)
Spectrum

3.1 0.0 Java

A BDD-style test runner for Java 8. Inspired by Jasmine, RSpec, and Cucumber.
Unitils

-

Modular testing library for unit and integration testing.

* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.

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