public void can_register_an_IIndexSource()
        {
            var indexService = new IndexManager();
            var indexSource = new TestIndexSource();

            indexService.RegisterIndex(indexSource);

            indexService.RegisteredIndexSources.Count.Should().Be.EqualTo(1);
        }
        public void can_create_an_Index()
        {
            var indexService = new IndexManager();
            var indexSource = new TestIndexSource();

            indexService.RegisterIndex(indexSource);

            var count = indexService.CreateIndexes();

            count.Should().Be.EqualTo(1);
        }