Rails controllers violate the Single Responsibility Principle. Each “action” has a different responsibility and should be contained in a separate object.

Standalone test spies, stubs and mocks for JavaScript. No dependencies, works with any unit testing framework.

Presenter First is a software development approach that combines the ideas of the model–view–presenter (MVP) design pattern, test-driven development, and Feature-driven development.

Presenter First concentrates on transforming each of a customer's requirements into a well tested, working feature as quickly and with as much correlation to the customer's story language (requirement) as possible. The language of the story or requirement is used to directly guide development of the feature – even naming the modules and function calls. As a consequence, the feature implementation tends to closely represent the customer's desire with little extraneous or unneeded functionality. The language of the source code also corresponds closely to the customer's stories.