test async.js map with jasmine

async_map.coffee

describe "async", ->
  it "async not null", ->
    expect(async).not.toBeNull()
  it "respond to map", ->
    expect(async.map).not.toBeNull()
  it "[1,2,3] map (x) -> x + 1 eq [2,3,4]", ->
    callback = jasmine.createSpy()
    summer= (el,callback) -> callback null, el + 1
    async.map([1,2,3],summer,callback)
    
    waitsFor -> callback.callCount > 0
    
    runs ->  expect(callback.mostRecentCall.args[1]).toEqual([2,3,4])