/* global angular */
var _ = require('lodash');
var expect = require('expect.js');
var Promise = require('bluebird');

describe('Angular esFactory', function() {
  before(function() {
    require('../../../src/elasticsearch.angular.js');
  });

  var esFactory;
  var $rootScope;

  function bootstrap(env) {
    beforeEach(function() {
      var promiseProvider = _.noop;
      if (env.bluebirdPromises) {
        promiseProvider = function($provide) {
          $provide.service('$q', function() {
            return {
              defer: function() {
                return _.bindAll(Promise.defer(), ['resolve', 'reject']);
              },
              reject: Promise.reject,
              when: Promise.resolve,
              all: Promise.all,
            };
          });
        };
      }

      angular.mock.module(promiseProvider, 'elasticsearch');
    });

    beforeEach(
      angular.mock.inject(function($injector) {
        esFactory = $injector.get('esFactory');
        $rootScope = $injector.get('$rootScope');
      })
    );
  }

  describe('basic', function() {
    bootstrap({
      bluebirdPromises: true,
    });

    it('is available in the elasticsearch module', function() {
      expect(esFactory).to.be.a('function');
    });

    it('has Transport and ConnectionPool properties', function() {
      expect(esFactory).to.have.property('Transport');
      expect(esFactory).to.have.property('ConnectionPool');
    });

    it('returns a new client when it is called', function() {
      var client = esFactory({
        hosts: null,
      });

      expect(client).to.have.keys('transport');
      expect(client.transport).to.be.a(esFactory.Transport);
      client.close();
    });

    it('returns an error created by calling a method incorrectly', function() {
      var client = esFactory({ hosts: null });

      var prom = client.get().then(
        function() {
          throw new Error('expected request to fail');
        },
        function(err) {
          expect(err).to.have.property('message');
          expect(err.message).to.match(/unable/i);
        }
      );

      $rootScope.$apply();
      return prom;
    });
  });
});