moko is used for build restful API in secs, for testing puropse

Standalone mongo test server for use with rspec or other unit testing framework

A command line tool for at-a-glance testing.

UnitController assists with unit testing controllers by stubbing view rendering.

Generating dummy data, perhaps for integration or performance testing

Minitest-based black box testing thing

Provide snapshot testing utilities for Rails views

Testing your library against different gem versions and ruby versions using RVM and Bundler

The Mutagem library provides file based mutexes for recursion protection and classes for threading of external processes with support for output and exit status capturing. A test suite is provided for both unit and functional testing. The c...

utilities for mutation testing

Contains macros / matchers for database behavious testing

Automate mutation testing to find weaknesses in code

Stress testing toolkit for Zold network

A simple Unit Testing Framework that speaks native Ruby

N-dimension hash creation and utilities. Useful for testing multi-level hash and JSON processing.

vp_gem testing

Ruby fixturizer tools for applications testing

An Active Record connection adapter that connects to an abstract, in-memory database, enabling you to do black-box testing of Rails applications — without the database.

A half-baked integration testing framework

Augment a traditional Rails application with a completely AJAX frontend, while transparently handling issues important to both the enterprise and end users, such as testing, SEO and browser history.