Faraday driver for Capybara, allowing testing of REST APIs

Gem to integrate Mantis Testing tool with Ruby apps

RSpec driven API testing framework - LogicalClocks maintained fork

RSpec helper functions to run Puppet code as part of Serverspec tests

Masking production data mongodb for testing/development

It supports the usual enqueue and dequeue operations, along with methods for peeking at the first item, testing if the queue is empty and counting the number of items in the queue.

Guard plugin for the konacha testing framework.

a/b testing module

General event framework for testing and monitoring

Trust But Verify - Ruby build script for Jenkins that automates the testing of Chef cookbooks

Visual regression testing for Capybara specs

Provides JNDI/Servlet/Spring abstractions for use in Integration testing of J2EE services through JRuby

Bayesian A/B Testing

A split testing framework for Rails 3.x.x

Testing gem

Testing create gem with RubyJains

Amok Time is designed for end-to-end testing distributed systems where certain behavior is time-based. It works by allowing any client to send a request header that overrides Ruby's date and time

An antismoker plugin for smoke testing msgpack-rpc services.

Collection of helper methods for testing "shape" of the data

This test api calls using curl. If necessary, authenticate before testing, with cookie_for_auth.