minitest provides a complete suite of testing facilities supporting TDD, BDD, mocking, and benchmarking. "I had a class with Jim Weirich on testing last week and we were allowed to choose our testing frameworks. Kirk Haines and I were paired up and we cracked open the code for a fe...

BDD for Ruby

test-unit (Test::Unit) is unit testing framework for Ruby, based on xUnit principles. These were originally designed by Kent Beck, creator of extreme programming software development methodology, for Smalltalk's SUnit. It allows writing tests, checking results and automated testing in Ruby.

Bacon is a small RSpec clone weighing less than 350 LoC but nevertheless providing all essential features. http://github.com/chneukirchen/bacon

Wrong provides a general assert method that takes a predicate block. Assertion failure messages are rich in detail. The Wrong idea is to replace all those countless assert_this, assert_that library methods which only exist to give a more useful failure message than "assertion failed". Wrong repla...

Execute YARD examples as tests

An extremely fast, expressive, and context-driven unit-testing framework. A replacement for all other testing frameworks. Protest the slow test.

A super lightweight lamdba-based testing library for Ruby

A fast and scalable test runner.

Ruby version of Python's doctest tool, but a bit different.

Work with your tests, not against them.

testy

An excellent replacement for the wheel...

A code-first approach to automate the writing of unit tests.

YARD plugin to list RSpec specifications inside documentation

Fix is a modern Ruby testing framework built around a key architectural principle: the complete separation between specifications and tests. It allows you to write pure specification documents that define expected behaviors, and then independently challenge any implementation against these specif...

Lemon is a unit testing framework that tightly correlates class to test case and method to test unit.

Assertion style testing framework.

DTF is a modular testing framework skeleton. This is the control gem containing the db schema(s) and command-line script.

Detest is an assertion testing library for [Ruby] that features a simple assertion vocabulary, instant debuggability of failures, and flexibility in composing tests.

Parse Minitest files to read all the test case descriptions and include those with the relevant classes in your YARD documentation. This works for both ActiveSupport-style `test` blocks and regular old `def test_` methods. Test cases get listed at the bottom of your class documentation and includ...

It's for writing tests.