Unit testing the jQuery Rambling Slider – CoffeeScript, Jasmine and node.js

array_extensions.coffee

Array::contains = (value) ->
  length = @length

  for i in [0...length]
    return true if value is @[i]

  false

array_extensions.spec.coffee

require '../src/array_extensions'

describe 'Array Extensions', ->
  describe 'when verifying if an array contains an element', ->
    array = null

    beforeEach ->
      array = [1...5]

    it 'should return true for a contained element', ->
      expect(array.contains(1)).toBeTruthy()

    it 'should return false for a non contained element', ->
      expect(array.contains(5)).toBeFalsy()

install.sh

npm install -g jasmine-node

run.sh

jasmine-node --coffee spec/