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testcontainers /testcontainers-java

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Star8.5k

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.

java testing docker docker-compose jvm integration-testing test-automation junit hacktoberfest

UpdatedNov 3, 2025
Java

junit-team /junit-framework

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Star6.9k

✅ The programmer-friendly testing framework for Java and the JVM

kotlin java junit test-framework kotlin-testing junit-vintage junit-jupiter junit-platform

UpdatedNov 5, 2025
Java

bats-core /bats-core

Star5.6k

Bash Automated Testing System

testing shell bash tap xunit junit testing-tools bats

UpdatedNov 3, 2025
Shell

google /truth

Star2.8k

Fluent assertions for Java and Android

java unit-testing junit test-framework truth assertion-framework testing-library

UpdatedOct 27, 2025
Java

nextest-rs /nextest

Star2.7k

A next-generation test runner for Rust.

testing rust junit flaky-tests cargo-subcommand cargo-plugin nextest

UpdatedNov 5, 2025
Rust

ahmedeltaher /MVVM-Kotlin-Android-Architecture

Star2.5k

MVVM + Kotlin + Retrofit2 + Hilt + Coroutines + Kotlin Flow + mockK + Espresso + Junit5

android flow rxjava mvp coroutines mvvm mockito junit android-architecture espresso mvp-architecture retrofit2 mvvm-pattern mvvm-architecture android-cleanarchitecture android-mvp-architecture android-clean-architecture android-mvvm-architecture mockk hilt-android

UpdatedJun 9, 2024
Kotlin

javaee-samples /javaee7-samples

Star2.5k

Java EE 7 Samples

java tomcat junit jsf servlet javaee cdi jboss glassfish liberty jaxrs payara tomee javaee7 jaspic

UpdatedSep 1, 2022
Java

hcoles /pitest

Star1.8k

State of the art mutation testing system for the JVM

java testing coverage mutation-testing junit testng mutation-analysis

UpdatedNov 3, 2025
Java

instancio /instancio

Sponsor

Star1.1k

A library that creates fully populated objects for your unit tests.

java testing unit-testing random test-automation junit random-generation data-generator test-data-generator junit-jupiter

UpdatedNov 5, 2025
Java

adobe /S3Mock

Star993

A mock implementation of the AWS S3 API startable as Docker image, TestContainer, JUnit 4 rule, JUnit Jupiter extension or TestNG listener

kotlin java testing mock docker aws aws-s3 s3 junit amd64 arm64 testcontainers

UpdatedNov 5, 2025
Kotlin

pholser /junit-quickcheck

Star973

Property-based testing, JUnit-style

java junit quickcheck property-based-testing

UpdatedNov 18, 2024
Java

mannodermaus /android-junit5

Star915

Testing with JUnit 5 for Android.

android gradle-plugin junit unittesting junit5

UpdatedOct 13, 2025
Kotlin

FluentLenium is a web & mobile automation framework which extends Selenium to write reliable and resilient UI functional tests. This framework is React ready. Written and maintained by people who are automating browser-based tests on a daily basis.

javascript java html spring selenium spock junit assertj await testng fluentlenium