gistfile1.txt

frisby.create('Ensure each tweet has base attributes')
  .get('https://api.twitter.com/1/statuses/user_timeline.json?screen_name=brightbit')
  .expectStatus(200)
  .expectHeaderContains('content-type', 'application/json')
  .expectJSONTypes('*', {
    id_str: String,
    retweeted: Boolean,
    in_reply_to_screen_name: function(val) { expect(val).toBeTypeOrNull(String); }, // Custom matcher callback
    user: {
      verified: Boolean,
      location: String,
      url: String
    }
  })
.toss();