RSpec's 'test double' framework, with support for stubbing and mocking

Mocking and stubbing library with JMock/SchMock syntax, which allows mocking and stubbing of methods on real (non-mock) classes.

Instantiate one with `redis = MockRedis.new` and treat it like you would a normal Redis object. It supports all the usual Redis operations.

RR is a test double framework that features a rich selection of double techniques and a terse syntax.

Spy is a mocking library that was made for the modern age. It supports only 2.1.0+. Spy by default will raise an error if you attempt to stub a method that doesn't exist or call the stubbed method with the wrong arity.

FlexMock is a extremely simple mock object class compatible with the Minitest framework. Although the FlexMock's interface is simple, it is very flexible.

Decreases the need to write integration tests by ensuring that the things you stub or mock actually exist.

A simple stub & mock library.

A mocking library in the spirit of the Bacon spec library. Small, compact, and works with Bacon.

Framework to aid in handrolling mock/spy objects.

A fast, tiny (82 lines) hybrid mocking library that supports classical and partial mocking. Partial mocking mixes classical mocking with real objects. There's no monkey patching `Object` or copying. Mock objects are isolated leaving real objects completely untainted.

Simple cross process stubbing

Stubbing and mocking that doesn't hurt or suck. WIN.

Contract tests for rspec