backtrace.txt

TypeError: Object #<World> has no method 'visit'
    at World.<anonymous> (/Users/jnh/Dev/ember-newsflash/features/step_definitions/inMemoryAdapter.coffee:8:19)
    at Object.invoke (/Users/jnh/Dev/ember-newsflash/node_modules/cucumber/lib/cucumber/support_code/step_definition.js:29:14)
    at Object.execute (/Users/jnh/Dev/ember-newsflash/node_modules/cucumber/lib/cucumber/ast/step.js:142:22)
    at Object.acceptVisitor (/Users/jnh/Dev/ember-newsflash/node_modules/cucumber/lib/cucumber/ast/step.js:133:12)
    at Object.executeStep (/Users/jnh/Dev/ember-newsflash/node_modules/cucumber/lib/cucumber/runtime/ast_tree_walker.js:170:12)
    at Object.processStep (/Users/jnh/Dev/ember-newsflash/node_modules/cucumber/lib/cucumber/runtime/ast_tree_walker.js:165:14)
    at /Users/jnh/Dev/ember-newsflash/node_modules/cucumber/lib/cucumber/runtime/ast_tree_walker.js:67:16
    at callUserFunctionAndBroadcastAfterEvent (/Users/jnh/Dev/ember-newsflash/node_modules/cucumber/lib/cucumber/runtime/ast_tree_walker.js:91:9)
    at iterate (/Users/jnh/Dev/ember-newsflash/node_modules/cucumber/lib/cucumber/type/collection.js:14:11)
    at /Users/jnh/Dev/ember-newsflash/node_modules/cucumber/lib/cucumber/type/collection.js:20:11

inMemoryAdapter.coffee

#step definitions...

path = require 'path'

inMemoryAdapterWrapper = ->

  @Given /^an ember app is loaded in the browser$/, (callback)->
    @visit("file://#{path.resolve '../../public/index.html'}", (success)->
      if success
        callback()
      else
        callback.fail "Couldn't visit index"
    )

world.coffee

zombie = require 'zombie'

exports.World = (callback)->
  world = 
    browser: new zombie.Browser()
    visit: (url,callback)->
      self = @
      @browser.visit(url,()->
        callback(self.browser.success)
      )

  callback(world)