How to mock dependencies for unit tests with ES6 Modules

Question

I'm trying to fiddle with Ecmascript 6 modules using webpack + traceur to transpile to ES5 CommonJS, but I'm having trouble successfully unit testing them.

I tried using Jest + traceur preprocessor, but the automocking and dependency names seem to get screwy, plus I can't seem to get sourceMaps to work with Jest and node-inspector debugging.

Is there a better framework to unit test ES6 modules?

Answer 1

I actually got this to work by dropping Jest and going with Karma + Jasmine + Webpack and using https://github.com/jhnns/rewire to mock dependencies