nightwatchjs/chai-nightwatch

Error constructor for test and validation frameworks that implements standardized AssertionError specification.

Improved deep equality testing for Node.js and the browser.

simple, flexible, fun test framework

Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests and browser tests. Built for scale