minimal test using intravenous

a.coffee

factory = (a) -> foo: 'bar'
module.exports = factory

b.coffee

factory = (a) -> baz: a
factory.$inject = ['a']
module.exports = factory

container.coffee

a = require './a'
b = require './b'

container = (require 'intravenous').create()
container.register 'a', a
container.register 'b', b

module.exports = container

test-for-b.coffee

#!/usr/bin/env coffee
assert = require 'assert'
container = require('./container').create()

mockedA = {}
container.register 'a', mockedA

b = container.get 'b'
assert.deepEqual b, baz: mockedA