public void GetProducts_ShouldReturnAllProducts() { var context = new TestTemperatureContext(); context.Table.Add(new TemperatureModel { Id = 1, Temperature = "10", DateTime= DateTime.Now}); context.Table.Add(new TemperatureModel { Id = 2, Temperature = "15", DateTime = DateTime.Now }); context.Table.Add(new TemperatureModel { Id = 3, Temperature = "20", DateTime = DateTime.Now }); var controller = new TemperatureModelsController(context); var result = controller.GetTable() as TestTemperatureModelDbSet; Assert.IsNotNull(result); Assert.AreEqual(3, result.Local.Count); }