Drntest is a testing framework for Droonga. You can write a test for Droonga by writing Droonga commands and expected result.

Simulates receiving email messages for testing Omah (Offline Mail Helper) gem plugins etc.

Dummier is a rails generator for automating the creation of rails testing applications.

Strategies for cleaning databases using MongoMapper. Can be used to ensure a clean state for testing.

Lightweight mutation testing against exemplor

A gem for testing WarningShot's Gem Resolver.

Don't write specs anymore, just save 'em while testing your code interactively. Specs will become a byproduct.

simply for the testing gem

Easy way to manage running one or more resque processes during testing

A set of Solr config files and a rake task for testing sul-dlss exhibit and spotlight git repos (sul_exhibits_templates, spotlight-dor-resources, exhibits_requests

Fabes is an A/B testing system for your ruby projects

This gem enable you to easily utilize free Heroku apps to build your own web load testing servers.

FakeCRM is a mock implementation for the Infopark WebCRM. It can be used for offline local development and automated testing.

Fakeout captures STDOUT and STDERR for command line testing.

This library fakes ruby objects from JSON API responses for testing purposes.

A stub for testing against the Mollie API

It comes in very handy for generating realistic dummy or seed data in large quantities for testing.

A matcher for testing object attributes.

This is useful for such things as maintenance mode, testing, and heavy migrations.

Capture snapshots to simplify testing and to analyze how state changes over time.