test.js

var vows = require('vows')
  , assert = require('assert')
  , path = require('path')
  , Syslog = require('node-syslog').Syslog
  , Hash = require('traverse/hash')

Syslog.init("embedly-test", Syslog.LOG_PID | Syslog.LOG_ODELAY, Syslog.LOG_INFO)

require.paths.unshift(path.join(__dirname, '../lib'))

var embedly = require('embedly')

/**
 * assert that a response obj arrays properties (names) match
 * an array of expected values.  name can be a period seperated
 * hierarchy of properties.  If the response object is known to
 * be an array of length == 1, or we want to match the same expected
 * value to each obj, then expected can be a string value.
 */
function assertObjValue(name, expected) {
  return function(e, objs) {
    var expect = expected;
    var isString = typeof(expected) == 'string'

    objs.forEach(function(obj,i) {
      // if expected is a string, then the same expected
      // value should be used against all objects
      if (!isString) { expect = expected[i] }
      // this traverses the object hierarchy with name
      var value = name.split('.').reduce(function(o, field) {
        return o[field]
      }, obj)
      assert.equal(value, expect)
    })
  }
}

var provider_url_vows = {}

;["| http://www.scribd.com/doc/13994900/Easter                    | http://www.scribd.com/  |"
, "| http://www.scribd.com/doc/28452730/Easter-Cards              | http://www.scribd.com/  |"
, "| http://www.youtube.com/watch?v=Zk7dDekYej0                   | http://www.youtube.com/ |"
, "| http://tweetphoto.com/14784358                               | http://plixi.com        |"
].forEach(function(line) {
  var parts = line.split('|')
    , url = parts[1].trim()
    , expected = parts[2].trim()

  provider_url_vows['when oembed is called with url '+url] = {
    topic: function (api) {
      return api.oembed(
        { params:{'url': url}
        , complete: this.callback
        }
      )
    }
    , 'reponds with provider_url': assertObjValue('provider_url', expected)
  }
})

vows.describe('OEmbed').addBatch({
  'An API instance': Hash({
    topic: new(embedly.api)
  }).merge(provider_url_vows).end
}).export(module)