public void TestGetVotesCount_ShouldReturnCorrectCounts()
        {
            var repository = new Mock <IRepository <Vote> >();

            repository.Setup(r => r.All()).Returns(new List <Vote>()
            {
                new Vote {
                    CommentId = "1111", VoteType = VoteType.UpVote
                },
                new Vote {
                    CommentId = "1111", VoteType = VoteType.UpVote
                },
                new Vote {
                    CommentId = "1111", VoteType = VoteType.UpVote
                },
                new Vote {
                    CommentId = "1111", VoteType = VoteType.DownVote
                },
            }.AsQueryable());

            var service = new VotesService(repository.Object);
            var votes   = service.GetVotesCount("Comment", "1111");

            Assert.Equal(3, votes.UpVotes);
            Assert.Equal(1, votes.DownVotes);
        }