public void BatchDeleteTest() { Device v1 = new Device(); Device v2 = new Device(); using (var context = new DataContext(_seed, DBTypeEnum.Memory)) { v1.ID = "44tvMxOP9"; v1.ProductId = AddProduct(); v2.ProductId = v1.ProductId; context.Set <Device>().Add(v1); context.Set <Device>().Add(v2); context.SaveChanges(); } PartialViewResult rv = (PartialViewResult)_controller.BatchDelete(new string[] { v1.ID.ToString(), v2.ID.ToString() }); Assert.IsInstanceOfType(rv.Model, typeof(DeviceBatchVM)); DeviceBatchVM vm = rv.Model as DeviceBatchVM; vm.Ids = new string[] { v1.ID.ToString(), v2.ID.ToString() }; _controller.DoBatchDelete(vm, null); using (var context = new DataContext(_seed, DBTypeEnum.Memory)) { Assert.AreEqual(context.Set <Device>().Count(), 0); } }