public ActionResult Create([FromBody] ServingViewModel vm)
{
var rt = vm.ToServing();
var res = _bo.Create(rt);
return(res.Success ? Ok() : InternalServerError());
}
public async Task <IActionResult> Index()
{
var listOperation = await _bo.ListNonDeletedAsync();
if (!listOperation.Success)
{
return(View("Error", new ErrorViewModel()
{
RequestId = listOperation.Exception.Message
}));
}
var mIds = listOperation.Result.Select(x => x.MenuId).Distinct().ToList();
var cIds = listOperation.Result.Select(x => x.CourseId).Distinct().ToList();
var dIds = listOperation.Result.Select(x => x.DishId).Distinct().ToList();
var lst = new List <ServingViewModel>();
foreach (var item in listOperation.Result)
{
lst.Add(ServingViewModel.Parse(item));
}
ViewData["Title"] = "Servings";
ViewData["Breadcrumbs"] = GetCrumbs();
ViewData["Menus"] = await GetMenuViewModels(mIds);
ViewData["Courses"] = await GetCourseViewModels(cIds);
ViewData["Dishes"] = await GetDishViewModels(dIds);
return(View(lst));
}
public async Task <IActionResult> Edit(Guid id, ServingViewModel vm)
{
if (ModelState.IsValid)
{
var getOperation = await _bo.ReadAsync(id);
if (!getOperation.Success)
{
return(View("Error", new ErrorViewModel()
{
RequestId = getOperation.Exception.Message
}));
}
if (getOperation.Result == null)
{
return(NotFound());
}
var result = getOperation.Result;
if (!vm.CompareToModel(result))
{
result = vm.ToModel(result);
var updateOperation = await _bo.UpdateAsync(result);
if (!updateOperation.Success)
{
return(View("Error", new ErrorViewModel()
{
RequestId = updateOperation.Exception.Message
}));
}
}
}
return(RedirectToAction(nameof(Index)));
}
public ActionResult Create([FromBody] ServingViewModel vm)
{
var s = vm.ToServing();
var res = _bo.Create(s);
return(StatusCode(res.Success ? (int)HttpStatusCode.OK : (int)HttpStatusCode.InternalServerError));
}
public async Task <IActionResult> Update([FromBody] ServingViewModel vm)
{
var getResult = await _bo.ReadAsync(vm.Id);
if (!getResult.Success)
{
return(InternalServerError(getResult.Exception));
}
var item = getResult.Result;
if (item == null)
{
return(NotFound());
}
if (vm.CompareToModel(item))
{
return(NotModified());
}
item = vm.ToModel(item);
var updateResult = await _bo.UpdateAsync(item);
if (!updateResult.Success)
{
return(InternalServerError(updateResult.Exception));
}
return(Ok());
}
public ActionResult Create([FromBody] ServingViewModel vm)
{
var s = new Serving(vm.MenuId, vm.CourseId, vm.DishId);
var res = _bo.Create(s);
var code = res.Success ? HttpStatusCode.OK : HttpStatusCode.InternalServerError;
return(new ObjectResult(code));
}
public void Serving([FromBody] ServingViewModel serving)
{
servingService.InsertServing(new Serving
{
Id = Guid.NewGuid(),
Meal = serving.Meal,
Name = serving.Name,
Price = serving.Price
});
}
public async Task <IActionResult> CreateAsync([FromBody] ServingViewModel vm)
{
var newItem = vm.ToModel();
var result = await _bo.CreateAsync(newItem);
if (!result.Success)
{
return(InternalServerError(result.Exception));
}
return(Created(Request.Path.Value, null));
}
public void Serving(Guid id,
[FromBody] ServingViewModel patch)
{
servingService.UpdateServing(new Serving
{
Id = id,
Meal = patch.Meal,
Name = patch.Name,
Price = patch.Price
});
}
public ActionResult <List <ServingViewModel> > List()
{
var res = _bo.List();
if (!res.Success)
{
return(StatusCode((int)HttpStatusCode.InternalServerError));
}
var list = new List <ServingViewModel>();
foreach (var item in res.Result)
{
list.Add(ServingViewModel.Parse(item));
}
return(list);
}
public async Task <IActionResult> Create(ServingViewModel vm)
{
if (ModelState.IsValid)
{
var model = vm.ToModel();
var createOperation = await _bo.CreateAsync(model);
if (!createOperation.Success)
{
return(View("Error", new ErrorViewModel()
{
RequestId = createOperation.Exception.Message
}));
}
return(RedirectToAction(nameof(Index)));
}
return(View(vm));
}
public async Task <IActionResult> GetAsync(Guid id)
{
var getResult = await _bo.ReadAsync(id);
if (!getResult.Success)
{
return(InternalServerError(getResult.Exception));
}
var item = getResult.Result;
if (item == null)
{
return(NotFound());
}
var vm = ServingViewModel.Parse(item);
return(Ok(vm));
}
public async Task <IActionResult> ListAsync()
{
var listResult = await _bo.ListNonDeletedAsync();
if (!listResult.Success)
{
return(InternalServerError(listResult.Exception));
}
var list = listResult.Result;
var lst = new List <ServingViewModel>();
foreach (var item in list)
{
var vm = ServingViewModel.Parse(item);
lst.Add(vm);
}
return(Ok(lst));
}
public ActionResult <ServingViewModel> Get(Guid id)
{
var res = _bo.Read(id);
if (res.Success)
{
if (res.Result == null)
{
return(NotFound());
}
var svm = ServingViewModel.Parse(res.Result);
return(svm);
}
else
{
return(StatusCode((int)HttpStatusCode.InternalServerError));
}
}
public void ServingViewModelEditting()
{
MealType pi = new MealType( Guid.NewGuid(), "pi", "not the tasty kind", DateTime.Now, false );
MealType unity = new MealType( Guid.NewGuid(), "unity", "it is itself", DateTime.Now, false );
MealType golden = new MealType( Guid.NewGuid(), "golden", "it is very nice", DateTime.Now, false );
ServingViewModel<MealType> servingViewModel = new ServingViewModel<MealType>( pi, 3.14159M );
// Cancel Test. Begin the edit, change the data, then cancel.
servingViewModel.BeginEdit();
servingViewModel.Entity = unity;
servingViewModel.Quantity = 1;
Assert.AreEqual( unity, servingViewModel.Entity );
Assert.AreEqual( 1, servingViewModel.Quantity );
servingViewModel.CancelEdit();
Assert.AreEqual( pi, servingViewModel.Entity );
Assert.AreEqual( 3.14159M, servingViewModel.Quantity );
// In Transaction Test. Begin the edit, change the data, begin again, cancel. Data should still match original.
servingViewModel.BeginEdit();
servingViewModel.Entity = unity;
servingViewModel.Quantity = 1;
Assert.AreEqual( unity, servingViewModel.Entity );
Assert.AreEqual( 1, servingViewModel.Quantity );
servingViewModel.BeginEdit();
servingViewModel.Entity = golden;
servingViewModel.Quantity = 1.61803M;
Assert.AreEqual( golden, servingViewModel.Entity );
Assert.AreEqual( 1.61803M, servingViewModel.Quantity );
servingViewModel.CancelEdit();
Assert.AreEqual( pi, servingViewModel.Entity );
Assert.AreEqual( 3.14159M, servingViewModel.Quantity );
// End Edit Test. Begin the edit, change the data, end the edit, change should stick
servingViewModel.BeginEdit();
servingViewModel.Entity = golden;
servingViewModel.Quantity = 1.61803M;
Assert.AreEqual( golden, servingViewModel.Entity );
Assert.AreEqual( 1.61803M, servingViewModel.Quantity );
servingViewModel.EndEdit();
Assert.AreEqual( golden, servingViewModel.Entity );
Assert.AreEqual( 1.61803M, servingViewModel.Quantity );
}
public ActionResult Update([FromBody] ServingViewModel s)
{
var currentResult = _bo.Read(s.Id);
if (!currentResult.Success)
{
return(StatusCode((int)HttpStatusCode.InternalServerError));
}
var current = currentResult.Result;
if (current == null)
{
return(NotFound());
}
if (current.MenuId == s.MenuId && current.CourseId == s.CourseId && current.DishId == s.DishId)
{
return(StatusCode((int)HttpStatusCode.NotModified));
}
if (current.MenuId != s.MenuId)
{
current.MenuId = s.MenuId;
}
if (current.CourseId != s.CourseId)
{
current.CourseId = s.CourseId;
}
if (current.DishId != s.DishId)
{
current.DishId = s.DishId;
}
var updateResult = _bo.Update(current);
if (!updateResult.Success)
{
return(StatusCode((int)HttpStatusCode.InternalServerError));
}
return(Ok());
}
public void ServingViewModelDefault()
{
FoodGroup foodGroupOne = new FoodGroup( Guid.NewGuid(), "FoodGroupOne", "Test Food Group One" );
ServingViewModel<FoodGroup> servingViewModel = new ServingViewModel<FoodGroup>();
Assert.IsFalse( servingViewModel.IsValid );
Assert.IsNull( servingViewModel.Entity );
Assert.AreEqual( 0, servingViewModel.Quantity );
Assert.AreEqual( Messages.Error_No_Quantity, servingViewModel["Quantity"] );
Assert.AreEqual( Messages.Error_No_ServingItem, servingViewModel["Entity"] );
servingViewModel.Quantity = 42;
Assert.IsFalse( servingViewModel.IsValid );
Assert.IsNull( servingViewModel["Quantity"] );
Assert.AreEqual( Messages.Error_No_ServingItem, servingViewModel["Entity"] );
servingViewModel.Entity = foodGroupOne;
Assert.IsTrue( servingViewModel.IsValid );
Assert.IsNull( servingViewModel["Quantity"] );
Assert.IsNull( servingViewModel["Entity"] );
}
public async Task <IActionResult> Details(Guid?id)
{
if (id == null)
{
return(NotFound());
}
var getOperation = await _bo.ReadAsync((Guid)id);
if (!getOperation.Success)
{
return(View("Error", getOperation.Exception.Message));
}
if (getOperation.Result == null)
{
return(NotFound());
}
var vm = ServingViewModel.Parse(getOperation.Result);
ViewData["Header"] = "Serving";
return(View(vm));
}
public ActionResult Update([FromBody] ServingViewModel bk)
{
var currentResult = _bo.Read(bk.Id);
if (!currentResult.Success)
{
return(InternalServerError());
}
var current = currentResult.Result;
if (current == null)
{
return(NotFound());
}
var updateResult = _bo.Update(current);
if (!updateResult.Success)
{
return(InternalServerError());
}
return(Ok());
}
public async Task <IActionResult> Edit(Guid?id)
{
if (id == null)
{
return(NotFound());
}
var getOperation = await _bo.ReadAsync((Guid)id);
if (!getOperation.Success)
{
return(View("Error", new ErrorViewModel()
{
RequestId = getOperation.Exception.Message
}));
}
if (getOperation.Result == null)
{
return(NotFound());
}
var vm = ServingViewModel.Parse(getOperation.Result);
return(View(vm));
}
public void FoodItemViewModelIsDirty()
{
var loggerMock = new Mock<ILoggerFacade>();
var regionNavigationServiceMock = new Mock<IRegionNavigationService>();
var regionManagerMock = new Mock<IRegionManager>();
var interactionServiceMock = new Mock<IInteractionService>();
var configurationMock = new Mock<IConfiguration>();
configurationMock.Setup( x => x.DataSource ).Returns( DataSourceType.XMLFile );
configurationMock.Setup( x => x.FileName ).Returns( FullTestData.DataFileName );
FullTestData.Reset();
var dataRepository = new DataRepository( configurationMock.Object );
// Existing Food Item
// Starts clean
// Change Name - dirty
// Undo - clean
// Change Description - dirty
// Undo - clean
// Change Calories - dirty
// Undo - clean
// Change Food Group Serving - dirty
// Undo - clean
// Add food group - dirty
// undo - clean
//
FoodItem cheeseBurger = dataRepository.GetFoodItem( FullTestData.CheeseBurgerID );
Assert.IsNotNull( cheeseBurger );
String originalName = cheeseBurger.Name;
String originalDescription = cheeseBurger.Description;
FoodItemViewModel cheeseBurgerViewModel =
new FoodItemViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
NavigationContext navigationContext = new NavigationContext(
regionNavigationServiceMock.Object, new Uri( "FoodItemView?ID=" + cheeseBurger.ID.ToString(), UriKind.Relative ) );
cheeseBurgerViewModel.OnNavigatedTo( navigationContext );
Assert.IsFalse( cheeseBurgerViewModel.IsDirty );
cheeseBurgerViewModel.Name += "Modified";
Assert.IsTrue( cheeseBurgerViewModel.IsDirty );
cheeseBurgerViewModel.Name = originalName;
Assert.IsFalse( cheeseBurgerViewModel.IsDirty );
cheeseBurgerViewModel.Description += "Different";
Assert.IsTrue( cheeseBurgerViewModel.IsDirty );
cheeseBurgerViewModel.Description = originalDescription;
Assert.IsFalse( cheeseBurgerViewModel.IsDirty );
cheeseBurgerViewModel.Name = null;
Assert.IsTrue( cheeseBurgerViewModel.IsDirty );
cheeseBurgerViewModel.Name = originalName;
Assert.IsFalse( cheeseBurgerViewModel.IsDirty );
cheeseBurgerViewModel.CaloriesPerServing += 90;
Assert.IsTrue( cheeseBurgerViewModel.IsDirty );
cheeseBurgerViewModel.CaloriesPerServing -= 90;
Assert.IsFalse( cheeseBurgerViewModel.IsDirty );
cheeseBurgerViewModel.FoodGroupsPerServing[0].Quantity += 1;
Assert.IsTrue( cheeseBurgerViewModel.IsDirty );
cheeseBurgerViewModel.FoodGroupsPerServing[0].Quantity -= 1;
Assert.IsFalse( cheeseBurgerViewModel.IsDirty );
ServingViewModel<FoodGroup> serving = cheeseBurgerViewModel.FoodGroupsPerServing[0];
cheeseBurgerViewModel.FoodGroupsPerServing.Remove( serving );
Assert.IsTrue( cheeseBurgerViewModel.IsDirty );
// Create an exact duplicate of the servings.
ServingViewModel<FoodGroup> copyOfServing = new ServingViewModel<FoodGroup>( serving.Entity, serving.Quantity );
cheeseBurgerViewModel.FoodGroupsPerServing.Add( copyOfServing );
Assert.IsFalse( cheeseBurgerViewModel.IsDirty );
serving = new ServingViewModel<FoodGroup>(
dataRepository.FindFoodGroup( fg => fg.Name == "Water" ), 1 );
cheeseBurgerViewModel.FoodGroupsPerServing.Add( serving );
Assert.IsTrue( cheeseBurgerViewModel.IsDirty );
cheeseBurgerViewModel.FoodGroupsPerServing.Remove( serving );
Assert.IsFalse( cheeseBurgerViewModel.IsDirty );
}
public void FoodItemViewModelUndoRedo()
{
var loggerMock = new Mock<ILoggerFacade>();
Mock<IRegionNavigationService> regionNavigationServiceMock = new Mock<IRegionNavigationService>();
Mock<IRegionManager> regionManagerMock = new Mock<IRegionManager>();
Mock<IInteractionService> interactionServiceMock = new Mock<IInteractionService>();
var configurationMock = new Mock<IConfiguration>();
configurationMock.Setup( x => x.DataSource ).Returns( DataSourceType.XMLFile );
configurationMock.Setup( x => x.FileName ).Returns( FullTestData.DataFileName );
FullTestData.Reset();
DataRepository dataRepository = new DataRepository( configurationMock.Object );
// TODO: Update this test when the undo and redo is expanded.
// TODO: Update this test to include Calories (can be done before expansion)
// Should not be able to undo or redo on a new object.
ServingViewModel<FoodGroup> waterServing =
new ServingViewModel<FoodGroup>( dataRepository.GetFoodGroup( FullTestData.WaterID ), 1.0M );
ServingViewModel<FoodGroup> meatServing =
new ServingViewModel<FoodGroup>( dataRepository.GetFoodGroup( FullTestData.MeatID ), 1.5M );
ServingViewModel<FoodGroup> fruitServing =
new ServingViewModel<FoodGroup>( dataRepository.GetFoodGroup( FullTestData.FruitID ), 2.5M );
FoodItemViewModel foodItemViewModel =
new FoodItemViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
NavigationContext navigationContext = new NavigationContext( regionNavigationServiceMock.Object, new Uri( "FoodItemView", UriKind.Relative ) );
foodItemViewModel.OnNavigatedTo( navigationContext );
Assert.IsFalse( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodItemViewModel.RedoCommand.CanExecute( null ) );
// Assign values to properties, save, and the load into new view model to reset the undo/redo log
foodItemViewModel.Name = "Bob";
foodItemViewModel.Description = "Battery Operated Buddy";
foodItemViewModel.CaloriesPerServing = 42.0M;
foodItemViewModel.FoodGroupsPerServing.Add( waterServing );
navigationContext = new NavigationContext(
regionNavigationServiceMock.Object, new Uri( "FoodItemView?ID=" + foodItemViewModel.ID.ToString(), UriKind.Relative ) );
foodItemViewModel.SaveCommand.Execute( null );
foodItemViewModel = new FoodItemViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
foodItemViewModel.OnNavigatedTo( navigationContext );
Assert.IsFalse( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodItemViewModel.RedoCommand.CanExecute( null ) );
// Make changes as such:
// o name changed from Bob to Pete
// o name changed from Pete to Peter
// o Description changed from "Battery Operated Buddy" to "The Rock"
// o Add Meat food group serving (1.5)
// o Change Calroies to 69
// o Add Fruit food group serving (2.5)
// o Change Meat servings to 3
// o Remove the Fruit food serving
// o name changed from Peter to Simon
// o name changed from Simon to Saul
// o description changed from "The Rock" to "The Persecutor"
// o description changed from "The Persecutor" to "The Apostle"
// o name changed from Saul to Paul
// Verify can undo, cannot redo at each step
foodItemViewModel.Name = "Pete";
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.Name += "r";
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.Description = "The Rock";
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.FoodGroupsPerServing.Add( meatServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.CaloriesPerServing = 69;
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.FoodGroupsPerServing.Add( fruitServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodItemViewModel.RedoCommand.CanExecute( null ) );
meatServing.Quantity = 3;
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.FoodGroupsPerServing.Remove( fruitServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.Name = "Simon";
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.Name = "Saul";
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.Description = "The Persecutor";
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.Description = "The Apostle";
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.Name = "Paul";
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodItemViewModel.RedoCommand.CanExecute( null ) );
Assert.AreEqual( "Paul", foodItemViewModel.Name );
Assert.AreEqual( "The Apostle", foodItemViewModel.Description );
Assert.AreEqual( 2, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.AreEqual( 69, foodItemViewModel.CaloriesPerServing );
// Undo once. Verify last thing done is undone, and we can redo.
foodItemViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Saul", foodItemViewModel.Name );
Assert.AreEqual( "The Apostle", foodItemViewModel.Description );
Assert.AreEqual( 2, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.AreEqual( 69, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
// Redo. Verify last thing undone is redone, can no longer redo, can still undo.
foodItemViewModel.RedoCommand.Execute( null );
Assert.AreEqual( "Paul", foodItemViewModel.Name );
Assert.AreEqual( "The Apostle", foodItemViewModel.Description );
Assert.AreEqual( 2, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.AreEqual( 69, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodItemViewModel.RedoCommand.CanExecute( null ) );
// Undo 4 times, verify undo worked
foodItemViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Saul", foodItemViewModel.Name );
Assert.AreEqual( "The Apostle", foodItemViewModel.Description );
Assert.AreEqual( 2, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.AreEqual( 69, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Saul", foodItemViewModel.Name );
Assert.AreEqual( "The Persecutor", foodItemViewModel.Description );
Assert.AreEqual( 2, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.AreEqual( 69, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Saul", foodItemViewModel.Name );
Assert.AreEqual( "The Rock", foodItemViewModel.Description );
Assert.AreEqual( 2, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.AreEqual( 69, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Simon", foodItemViewModel.Name );
Assert.AreEqual( "The Rock", foodItemViewModel.Description );
Assert.AreEqual( 2, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.AreEqual( 69, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
// Redo 2 times, verify
foodItemViewModel.RedoCommand.Execute( null );
Assert.AreEqual( "Saul", foodItemViewModel.Name );
Assert.AreEqual( "The Rock", foodItemViewModel.Description );
Assert.AreEqual( 2, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.AreEqual( 69, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.RedoCommand.Execute( null );
Assert.AreEqual( "Saul", foodItemViewModel.Name );
Assert.AreEqual( "The Persecutor", foodItemViewModel.Description );
Assert.AreEqual( 2, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.AreEqual( 69, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
// Undo until back to original, cannot undo, can redo
foodItemViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Saul", foodItemViewModel.Name );
Assert.AreEqual( "The Rock", foodItemViewModel.Description );
Assert.AreEqual( 2, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.AreEqual( 3, meatServing.Quantity );
Assert.AreEqual( 69, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Simon", foodItemViewModel.Name );
Assert.AreEqual( "The Rock", foodItemViewModel.Description );
Assert.AreEqual( 2, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.AreEqual( 3, meatServing.Quantity );
Assert.AreEqual( 69, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Peter", foodItemViewModel.Name );
Assert.AreEqual( "The Rock", foodItemViewModel.Description );
Assert.AreEqual( 2, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.AreEqual( 3, meatServing.Quantity );
Assert.AreEqual( 69, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Peter", foodItemViewModel.Name );
Assert.AreEqual( "The Rock", foodItemViewModel.Description );
Assert.AreEqual( 3, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( fruitServing ) );
Assert.AreEqual( 3, meatServing.Quantity );
Assert.AreEqual( 69, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Peter", foodItemViewModel.Name );
Assert.AreEqual( "The Rock", foodItemViewModel.Description );
Assert.AreEqual( 3, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( fruitServing ) );
Assert.AreEqual( 1.5M, meatServing.Quantity );
Assert.AreEqual( 69, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Peter", foodItemViewModel.Name );
Assert.AreEqual( "The Rock", foodItemViewModel.Description );
Assert.AreEqual( 2, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.AreEqual( 1.5M, meatServing.Quantity );
Assert.AreEqual( 69, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Peter", foodItemViewModel.Name );
Assert.AreEqual( "The Rock", foodItemViewModel.Description );
Assert.AreEqual( 2, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.AreEqual( 1.5M, meatServing.Quantity );
Assert.AreEqual( 42, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Peter", foodItemViewModel.Name );
Assert.AreEqual( "The Rock", foodItemViewModel.Description );
Assert.AreEqual( 1, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.AreEqual( 1.5M, meatServing.Quantity );
Assert.AreEqual( 42, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Peter", foodItemViewModel.Name );
Assert.AreEqual( "Battery Operated Buddy", foodItemViewModel.Description );
Assert.AreEqual( 1, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.AreEqual( 1.5M, meatServing.Quantity );
Assert.AreEqual( 42, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Pete", foodItemViewModel.Name );
Assert.AreEqual( "Battery Operated Buddy", foodItemViewModel.Description );
Assert.AreEqual( 1, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.AreEqual( 1.5M, meatServing.Quantity );
Assert.AreEqual( 42, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Bob", foodItemViewModel.Name );
Assert.AreEqual( "Battery Operated Buddy", foodItemViewModel.Description );
Assert.AreEqual( 1, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.AreEqual( 1.5M, meatServing.Quantity );
Assert.AreEqual( 42, foodItemViewModel.CaloriesPerServing );
Assert.IsFalse( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
// Redo 4 times, verify
foodItemViewModel.RedoCommand.Execute( null );
Assert.AreEqual( "Pete", foodItemViewModel.Name );
Assert.AreEqual( "Battery Operated Buddy", foodItemViewModel.Description );
Assert.AreEqual( 1, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.AreEqual( 42, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.RedoCommand.Execute( null );
Assert.AreEqual( "Peter", foodItemViewModel.Name );
Assert.AreEqual( "Battery Operated Buddy", foodItemViewModel.Description );
Assert.AreEqual( 1, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.AreEqual( 42, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.RedoCommand.Execute( null );
Assert.AreEqual( "Peter", foodItemViewModel.Name );
Assert.AreEqual( "The Rock", foodItemViewModel.Description );
Assert.AreEqual( 1, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.AreEqual( 42, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
foodItemViewModel.RedoCommand.Execute( null );
Assert.AreEqual( "Peter", foodItemViewModel.Name );
Assert.AreEqual( "The Rock", foodItemViewModel.Description );
Assert.AreEqual( 2, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.FoodGroupsPerServing.Contains( meatServing ) );
Assert.AreEqual( 42, foodItemViewModel.CaloriesPerServing );
Assert.IsTrue( foodItemViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodItemViewModel.RedoCommand.CanExecute( null ) );
}
public void ServingViewModelEntityQuantity()
{
FoodGroup foodGroupOne = new FoodGroup( Guid.NewGuid(), "Food Group One", "Test Food Group One" );
ServingViewModel<FoodGroup> servingViewModel = new ServingViewModel<FoodGroup>( foodGroupOne, 43 );
Assert.IsTrue( servingViewModel.IsValid );
Assert.AreEqual( foodGroupOne, servingViewModel.Entity );
Assert.AreEqual( 43, servingViewModel.Quantity );
Assert.IsNull( servingViewModel["Quantity"] );
Assert.IsNull( servingViewModel["Entity"] );
}
public void FoodItemViewModelFoodGroupServings()
{
var loggerMock = new Mock<ILoggerFacade>();
var regionNavigationServiceMock = new Mock<IRegionNavigationService>();
var regionManagerMock = new Mock<IRegionManager>();
var interactionServiceMock = new Mock<IInteractionService>();
var configurationMock = new Mock<IConfiguration>();
configurationMock.Setup( x => x.DataSource ).Returns( DataSourceType.XMLFile );
configurationMock.Setup( x => x.FileName ).Returns( FullTestData.DataFileName );
FullTestData.Reset();
var dataRepository = new DataRepository( configurationMock.Object );
PropertyChangedHandler propertyChangedHandler = new PropertyChangedHandler();
// Navigate to a known food group mealType and make sure the food group servings makes sense.
// NOTE: No need to get too fancy, the model tests makes sure the data loaded properly.
FoodItem foodItem = dataRepository.GetFoodItem( FullTestData.CheeseBurgerID );
FoodItemViewModel foodItemViewModel =
new FoodItemViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
NavigationContext navigationContext = new NavigationContext(
regionNavigationServiceMock.Object, new Uri( "FoodItemView?ID=" + foodItem.ID.ToString(), UriKind.Relative ) );
foodItemViewModel.OnNavigatedTo( navigationContext );
foodItemViewModel.PropertyChanged += propertyChangedHandler.OnPropertyChanged;
Assert.AreEqual( foodItem.FoodGroupsPerServing.Count, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsFalse( foodItemViewModel.IsDirty );
Assert.IsTrue( foodItemViewModel.IsValid );
// Add a food group
ServingViewModel<FoodGroup> testFoodServings = new ServingViewModel<FoodGroup>(
dataRepository.GetFoodGroup( FullTestData.JunkFoodID ), 1 );
foodItemViewModel.FoodGroupsPerServing.Add( testFoodServings );
Assert.IsTrue( foodItemViewModel.IsDirty );
Assert.IsTrue( foodItemViewModel.IsValid );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "FoodGroupsPerServing" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsDirty" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsValid" ) );
Assert.AreEqual( 3, propertyChangedHandler.PropertiesChanged.Count );
foodItemViewModel.FoodGroupsPerServing.Remove( testFoodServings );
Assert.IsTrue( foodItemViewModel.IsValid );
Assert.IsFalse( foodItemViewModel.IsDirty );
propertyChangedHandler.Reset();
// Delete a food group
testFoodServings = foodItemViewModel.FoodGroupsPerServing.ElementAt( 0 );
foodItemViewModel.FoodGroupsPerServing.Remove( testFoodServings );
Assert.IsTrue( foodItemViewModel.IsDirty );
Assert.IsTrue( foodItemViewModel.IsValid );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "FoodGroupsPerServing" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsDirty" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsValid" ) );
Assert.AreEqual( 3, propertyChangedHandler.PropertiesChanged.Count );
foodItemViewModel.FoodGroupsPerServing.Add( testFoodServings );
Assert.IsTrue( foodItemViewModel.IsValid );
Assert.IsFalse( foodItemViewModel.IsDirty );
propertyChangedHandler.Reset();
// Modify a food group
foodItemViewModel.FoodGroupsPerServing[0].Quantity += 1;
Assert.AreEqual( foodItem.FoodGroupsPerServing.Count, foodItemViewModel.FoodGroupsPerServing.Count );
Serving<FoodGroup> modelServing = foodItem.FoodGroupsPerServing.Find( f => f.Entity.ID == foodItemViewModel.FoodGroupsPerServing[0].Entity.ID );
Assert.IsNotNull( modelServing );
Assert.IsTrue( foodItemViewModel.IsDirty );
Assert.IsTrue( foodItemViewModel.IsValid );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "FoodGroupsPerServing" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsDirty" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsValid" ) );
Assert.AreEqual( 3, propertyChangedHandler.PropertiesChanged.Count );
foodItemViewModel.FoodGroupsPerServing[0].Quantity -= 1;
Assert.IsTrue( foodItemViewModel.IsValid );
Assert.IsFalse( foodItemViewModel.IsDirty );
propertyChangedHandler.Reset();
// Make a serving invalid.
foodItemViewModel.FoodGroupsPerServing[0].Quantity *= -1;
Assert.AreEqual( foodItem.FoodGroupsPerServing.Count, foodItemViewModel.FoodGroupsPerServing.Count );
Assert.IsTrue( foodItemViewModel.IsDirty );
Assert.IsFalse( foodItemViewModel.IsValid );
Assert.AreEqual( Messages.Error_No_Quantity, foodItemViewModel.Error );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "FoodGroupsPerServing" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsDirty" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsValid" ) );
Assert.AreEqual( 3, propertyChangedHandler.PropertiesChanged.Count );
foodItemViewModel.FoodGroupsPerServing[0].Quantity *= -1;
Assert.IsTrue( foodItemViewModel.IsValid );
Assert.IsFalse( foodItemViewModel.IsDirty );
propertyChangedHandler.Reset();
// Remove all food groups
foodItemViewModel.FoodGroupsPerServing.Clear();
Assert.IsTrue( foodItemViewModel.IsDirty );
Assert.IsFalse( foodItemViewModel.IsValid );
Assert.AreEqual( Messages.Error_No_FoodGroups, foodItemViewModel.Error );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "FoodGroupsPerServing" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsDirty" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsValid" ) );
Assert.AreEqual( 3, propertyChangedHandler.PropertiesChanged.Count );
}
public override void OnNavigatedTo( NavigationContext navigationContext )
{
if (Model == null)
{
String idParameter = navigationContext.Parameters["ID"];
Guid myID;
FoodItem foodItem = null;
if (idParameter != null && Guid.TryParse( idParameter, out myID ))
{
foodItem = this.DataRepository.GetFoodItem( myID );
}
else
{
foodItem = new FoodItem();
}
Model = foodItem;
// TODO: Read up and see if there is a better way of diabling the event.
// Also, refactor this into a private method.
FoodGroupsPerServing.CollectionChanged -= OnFoodGroupServingsChanged;
FoodGroupsPerServing.Clear();
foreach (Serving<FoodGroup> serving in foodItem.FoodGroupsPerServing)
{
ServingViewModel<FoodGroup> servingViewModel = new ServingViewModel<FoodGroup>( serving );
servingViewModel.PropertyChanged += OnFoodGroupServingPropertyChanged;
FoodGroupsPerServing.Add( servingViewModel );
}
FoodGroupsPerServing.CollectionChanged += OnFoodGroupServingsChanged;
base.OnNavigatedTo( navigationContext );
}
}
public override void OnNavigatedTo( NavigationContext navigationContext )
{
FoodItemServings.CollectionChanged -= this.OnFoodItemServingsChanged;
FoodItemServings.Clear();
foreach (Serving<FoodItem> foodItemServing in ((MealBase)Model).FoodItemServings)
{
ServingViewModel<FoodItem> foodItemServingViewModel = new ServingViewModel<FoodItem>( foodItemServing );
foodItemServingViewModel.PropertyChanged += this.OnFoodItemServingPropertyChanged;
FoodItemServings.Add( foodItemServingViewModel );
}
FoodItemServings.CollectionChanged += this.OnFoodItemServingsChanged;
RebuildFoodGroupServingList();
// Assume that the time is automatically set if the time of the meal matches the time on the meal type.
if (TypeOfMeal != null)
{
_timeSetManually = !(TypeOfMeal.UseDefaultMealTime && (TypeOfMeal.DefaultTimeOfMeal.TimeOfDay == TimeOfMeal.TimeOfDay));
}
else
{
_timeSetManually = false;
}
base.OnNavigatedTo( navigationContext );
}
public void ServingViewModelServing()
{
FoodGroup foodGroupOne = new FoodGroup( Guid.NewGuid(), "FoodGroupOne", "Test Food Group #1" );
Serving<FoodGroup> serving = new Serving<FoodGroup>( foodGroupOne, 2.5M );
ServingViewModel<FoodGroup> servingViewModel = new ServingViewModel<FoodGroup>( serving );
Assert.IsTrue( servingViewModel.IsValid );
Assert.AreEqual( foodGroupOne, servingViewModel.Entity );
Assert.AreEqual( 2.5M, servingViewModel.Quantity );
Assert.IsNull( servingViewModel["Quantity"] );
Assert.IsNull( servingViewModel["Entity"] );
}
public void ServingViewModelPropertyChanged()
{
MealType pi = new MealType( Guid.NewGuid(), "pi", "not the tasty kind", DateTime.Now, false );
MealType e = new MealType( Guid.NewGuid(), "e", "exponent", DateTime.Now, false );
PropertyChangedHandler propertyChangedHandler = new PropertyChangedHandler();
Serving<MealType> serving = new Serving<MealType>( pi, 3.14159M );
ServingViewModel<MealType> servingViewModel = new ServingViewModel<MealType>( serving );
servingViewModel.PropertyChanged += propertyChangedHandler.OnPropertyChanged;
Assert.AreEqual( pi, servingViewModel.Entity );
Assert.AreEqual( 3.14159M, servingViewModel.Quantity );
Assert.IsNull( propertyChangedHandler.Sender );
Assert.AreEqual( 0, propertyChangedHandler.PropertiesChanged.Count );
servingViewModel.Entity = e;
Assert.AreEqual( servingViewModel, propertyChangedHandler.Sender );
Assert.AreEqual( 3, propertyChangedHandler.PropertiesChanged.Count );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "Entity" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsDirty" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsValid" ) );
Assert.AreEqual( e, serving.Entity );
Assert.AreEqual( 3.14159M, serving.Quantity );
propertyChangedHandler.Reset();
servingViewModel.Quantity = 2.71828183M;
Assert.AreEqual( servingViewModel, propertyChangedHandler.Sender );
Assert.AreEqual( 3, propertyChangedHandler.PropertiesChanged.Count );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "Quantity" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsDirty" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsValid" ) );
Assert.AreEqual( e, serving.Entity );
Assert.AreEqual( 2.71828183M, serving.Quantity );
}
public void ServingViewModelIsDirty()
{
FoodGroup foodGroupOne = new FoodGroup( Guid.NewGuid(), "FoodGroupOne", "Test Food Group #1" );
FoodGroup foodGroupTwo = new FoodGroup( Guid.NewGuid(), "FoodGroupTwo", "Test Food Group #2" );
FoodGroup foodGroupThree = new FoodGroup( Guid.NewGuid(), "FoodGroupThree", "Test Food Group #3" );
// Upon creation, the view model should be clean.
ServingViewModel<FoodGroup> servingViewModel = new ServingViewModel<FoodGroup>( foodGroupOne, 2 );
Assert.IsFalse( servingViewModel.IsDirty );
// Change the Entity, the view model should be dirty
servingViewModel.Entity = foodGroupTwo;
Assert.IsTrue( servingViewModel.IsDirty );
// Change the Entity back to the original value, the view model should no longer be dirty
servingViewModel.Entity = foodGroupOne;
Assert.IsFalse( servingViewModel.IsDirty );
// Change the Quantity, the view model should be dirty
servingViewModel.Quantity = 3;
Assert.IsTrue( servingViewModel.IsDirty );
// Change the Quantity back to the original value, the view model should no lonber be dirty
servingViewModel.Quantity = 2;
Assert.IsFalse( servingViewModel.IsDirty );
// Make it dirty again, then reset the cache, the flag should fo false.
servingViewModel.Entity = foodGroupThree;
servingViewModel.Quantity = 4.5M;
Assert.IsTrue( servingViewModel.IsDirty );
servingViewModel.ResetPreviousValueCache();
Assert.IsFalse( servingViewModel.IsDirty );
}