TestBox is a next generation testing framework for ColdFusion (CFML) that is based on BDD (Behavior Driven Development) for providing a clean obvious syntax for writing tests. It contains not only a testing framework, runner, assertions and expectations library but also ships with MockBox, A Mocking & Stubbing Framework. It also supports xUnit style of testing and MXUnit compatibilities.
For details of TestBox, including extensive documentation, can be found on the TestBox website: