public async Task GetCityStatistics() { // Arrange _repositoryWrapper.Setup(r => r.City.GetFirstOrDefaultAsync(It.IsAny <Expression <Func <DatabaseEntities.City, bool> > >(), It.IsAny <Func <IQueryable <DatabaseEntities.City>, IIncludableQueryable <DatabaseEntities.City, object> > >())) .ReturnsAsync(new DatabaseEntities.City()); _repositoryWrapper.Setup(r => r.MembersStatistics.GetFirstOrDefaultAsync(It.IsAny <Expression <Func <DatabaseEntities.MembersStatistic, bool> > >(), It.IsAny <Func <IQueryable <DatabaseEntities.MembersStatistic>, IIncludableQueryable <DatabaseEntities.MembersStatistic, object> > >())) .ReturnsAsync(new DatabaseEntities.MembersStatistic()); _mapper.Setup(m => m.Map <DatabaseEntities.City, DTOs.City>(It.IsAny <DatabaseEntities.City>())) .Returns(_cities.First()); int year = 2019; var expectedResult = new CityStatistics { City = _cities.First(), YearStatistics = new List <YearStatistics> { new YearStatistics { Year = year, StatisticsItems = _expectedStatisticsItems } } }; // Act var result = await _statisticsService.GetCityStatisticsAsync(It.IsAny <int>(), year, _indicators); // Assert Assert.Equal(JsonConvert.SerializeObject(expectedResult), JsonConvert.SerializeObject(result)); }