tui-td drives terminal applications in a PTY, captures ANSI state as structured data, and provides PNG screenshots and HTML renders. Includes an MCP server for AI-driven testing, a JSON test runner, RSpec matchers, Minitest assertions, semantic selectors, and named snapshot testing.

Conductor is the bastard child of a/b testing and personalization. It throws everything you know about creating a web site our the window and lets you just "try stuff" without ever having to worry about not maximing your site's "purpose." Have a new landing page? Just throw it to the conductor...

A minimal testing framework that provides all the features a programmer needs for simple testing. Removed eval in assert, no need to put test in quotes. Made MnmlTestAssertionError error class.

Parameterized testing utility

This gem allows testing frameworks such as Test::Unit, RSpec and Minitest to perform PDF matching tests with the pdf_matcher gem.

Testing fixture automator. Easies the pain of getting sample data for testing.

Offers several ways to search and view details of COVID-19 testing locations in Philadelphia, PA.

ACE testing knowledge base with guides, testing patterns, and workflow instructions for fast and reliable code validation.

Backspin is a Ruby library for characterization testing of command-line interfaces. Inspired by VCR's cassette-based approach, it records and replays CLI interactions to make testing faster and more deterministic.

At featurefabrik, we are big fans of javascript and testing. Also we believe, that mocha.js and chai.js are simply awesome. To remove the npm dependencies and enable fast and simple testing of non-Rails projects with js usage, we built Teatime.

Wraps watir-webdriver with convenient testing interface, based on PageObjects automation testing pattern. Simplifies resulting automated test understanding.

"Harsh: Another Rails Syntax Highlighter," is just that - it highlights code in Rails, much like Radiograph or tm_syntax_highlighting. However, it does it well, _better_. Oh, and it also supports Haml, as well as ERb. And it comes with rake tasks. Firstly, it allows block form: <% harsh :them...

Rails test helpers for testing anonymous controllers (Minitest only!)

MultiRails allows easy testing against multiple versions of Rails for your Rails specific gem or plugin. It also has tentative support testing Rails applications against multiple versions of Rails.

The Official GroupMe AB Testing Solution

gem install universe-rails-testing

redis-store testing

Data type testing tool

Messiah enables using Ruby testing tools for integration testing with platforms that support CGI. Notably, PHP.

A property-based testing system for Ruby (in the spirit of John Hughes & Koen Classen's QuickCheck), based on the Hedgehog testing library for Haskell.