define([
  'moment',
  'app/plugins/datasource/elasticsearch/indexPattern'
], function(moment, IndexPattern) {
  'use strict';

  describe('IndexPattern', function() {

    describe('when getting index for today', function() {
      it('should return correct index name', function() {
        var pattern = new IndexPattern('[asd-]YYYY.MM.DD', 'Daily');
        var expected = 'asd-' + moment().format('YYYY.MM.DD');

        expect(pattern.getIndexForToday()).to.be(expected);
      });
    });

    describe('when getting index list for time range', function() {

      describe('no interval', function() {
        it('should return correct index', function() {
          var pattern = new IndexPattern('my-metrics');
          var from = new Date(2015, 4, 30, 1, 2, 3);
          var to = new Date(2015, 5, 1, 12, 5 , 6);
          expect(pattern.getIndexList(from, to)).to.eql('my-metrics');
        });
      });

      describe('daily', function() {

        it('should return correct index list', function() {
          var pattern = new IndexPattern('[asd-]YYYY.MM.DD', 'Daily');
          var from = new Date(1432940523000);
          var to = new Date(1433153106000);

          var expected =  [
            'asd-2015.05.29',
            'asd-2015.05.30',
            'asd-2015.05.31',
            'asd-2015.06.01',
          ];

          expect(pattern.getIndexList(from, to)).to.eql(expected);
        });

      });

    });

  });

});