public async Task When_GetCountryPhoneCodesAsync_Called_Expect_FilteredAndOrderedResult() { //Arrange var dbResult = new List <CountryPhoneCode> { new CountryPhoneCode { Id = 1, Order = 1, IsAvailable = true, Code = "en", CountryName = "England", IsoCode = "iso" }, new CountryPhoneCode { Id = 2, Order = 2, IsAvailable = false, Code = "gb", CountryName = "Albion", IsoCode = "iso2" }, new CountryPhoneCode { Id = 3, Order = 3, IsAvailable = true, Code = "bg", CountryName = "Bulgaria", IsoCode = "iso3" }, }; _countryPhoneCodeRepositoryMock.Setup(x => x.GetAllAsync()) .ReturnsAsync(dbResult); //Act var response = await _service.GetCountryPhoneCodesAsync(); //Assert var expectedResult = dbResult .Where(o => o.IsAvailable) .OrderBy(o => o.Order) .ToList(); _countryPhoneCodeRepositoryMock.Verify(x => x.GetAllAsync(), Times.Once); Assert.Equal(expectedResult.Count, response.Count); Assert.Equal(expectedResult[0].Order, response[0].Order); }