public async void GetStatsAsync( ) { Stats stats = new Stats() { count_human_dna = 10, count_mutant_dna = 20 }; string sqlQueryGet = "select count_human_dna , count_mutant_dna " + "from Stats where Id = '00000000-0000-0000-0000-000000000000'"; mockDapper.Setup(t => t.QuerySingle <Stats>(It.Is <IDbConnection>(db => db.ConnectionString == _mockedConnString), sqlQueryGet)) .ReturnsAsync(stats); var result = await _sut.GetStatsAsync(); Assert.Equal <Stats>(stats, result); mockDapper.Verify(t => t.QuerySingle <Stats>(It.IsAny <IDbConnection>(), It.IsAny <string>()), Moq.Times.Exactly(1)); }