public async Task Given_TemperatureRepository_When_GettingTemperatureRecordsOfAUser_Then_AllRecordsOfThatUserShouldBeReturnedAsync() { await RunOnDatabaseAsync(async sut => { //Arrange var repo = new TemperatureRepository(sut); var userId = Guid.NewGuid(); var records = new List <TemperatureRecord> { new TemperatureRecord { Id = Guid.NewGuid(), UserId = userId, Value = 1, Time = new DateTime(2017, 11, 20, 11, 21, 1) }, new TemperatureRecord { Id = Guid.NewGuid(), UserId = Guid.NewGuid(), Value = 2, Time = new DateTime(2017, 11, 20, 11, 21, 1) } }; //Act foreach (var record in records) { await repo.AddAsync(record); } await repo.SaveChangesAsync(); //Assert var results = await repo.GetByUserIdAsync(userId); results.Count.Should().Be(1); }); }