vows intro written in coffeescript

vows_intro.coffee

# coffee version of vows intro in http://vowsjs.org/
exports.Strawberry = () ->
    this.color = '#ff0000'

exports.Strawberry.prototype =
    isTasty: () -> true

exports.Banana =  ()->
    this.color = '#fff333'

exports.Banana.prototype =
    peel: (callback) ->
        process.nextTick () ->
            callback null, new exports.PeeledBanana
    peelSync:() -> new exports.PeeledBanana

exports.PeeledBanana = ()->

vows_intro_test.coffee

vows = require 'vows'
assert = require 'assert'

theGoodThings = require './the-good-things'

Strawberry   = theGoodThings.Strawberry
Banana       = theGoodThings.Banana
PeeledBanana = theGoodThings.PeeledBanana

vows.describe('The Good Things').addBatch
    'A strawberry':
        topic: new(Strawberry),
        'is red': (strawberry)->
            assert.equal strawberry.color, '#ff0000'
        'and tasty': (strawberry)->
            assert.isTrue strawberry.isTasty()
    'A banana':
        topic: new(Banana),

        'when peeled *synchronously*':
            topic: (banana)->
                return banana.peelSync()
            'returns a `PeeledBanana`': (result)->
                assert.instanceOf result, PeeledBanana
        'when peeled *asynchronously*':
            topic: (banana)->
                banana.peel this.callback
            'results in a `PeeledBanana`': (err, result)->
                assert.instanceOf result, PeeledBanana
.export(module)