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 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 FoodItemViewModelCaloriesPerServing()
{
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();
// Construct a known food group mealType and make sure the food group servings makes sense.
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.CaloriesPerServing, foodItemViewModel.CaloriesPerServing );
Assert.IsFalse( foodItemViewModel.IsDirty );
Assert.IsTrue( foodItemViewModel.IsValid );
// Change the calories
foodItemViewModel.CaloriesPerServing = 700;
Assert.IsTrue( foodItemViewModel.IsDirty );
Assert.IsTrue( foodItemViewModel.IsValid );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "CaloriesPerServing" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsDirty" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsValid" ) );
Assert.AreEqual( 3, propertyChangedHandler.PropertiesChanged.Count );
foodItemViewModel.CaloriesPerServing = 650;
Assert.IsFalse( foodItemViewModel.IsDirty );
Assert.IsTrue( foodItemViewModel.IsValid );
propertyChangedHandler.Reset();
// Make the calories invalid
foodItemViewModel.CaloriesPerServing = -700;
Assert.IsTrue( foodItemViewModel.IsDirty );
Assert.IsFalse( foodItemViewModel.IsValid );
Assert.AreEqual( Messages.Error_Negative_Calories, foodItemViewModel.Error );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "CaloriesPerServing" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsDirty" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsValid" ) );
Assert.AreEqual( 3, propertyChangedHandler.PropertiesChanged.Count );
}
public void MealTemplateViewModelName()
{
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();
MealTemplate mealTemplate = dataRepository.GetMealTemplate( FullTestData.CheeseBurgerLunchID );
MealTemplateViewModel testMealTemplateViewModel =
new MealTemplateViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
NavigationContext navigationContext = new NavigationContext(
regionNavigationServiceMock.Object, new Uri( "MealTemplateView?ID=" + mealTemplate.ID.ToString(), UriKind.Relative ) );
testMealTemplateViewModel.OnNavigatedTo( navigationContext );
testMealTemplateViewModel.PropertyChanged += propertyChangedHandler.OnPropertyChanged;
Assert.AreEqual( mealTemplate.Name, testMealTemplateViewModel.Name );
Assert.IsFalse( testMealTemplateViewModel.IsDirty );
Assert.IsTrue( testMealTemplateViewModel.IsValid );
testMealTemplateViewModel.Name = "Some other name";
Assert.AreEqual( "Some other name", testMealTemplateViewModel.Name );
Assert.IsTrue( testMealTemplateViewModel.IsDirty );
Assert.IsTrue( testMealTemplateViewModel.IsValid );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "Name" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsDirty" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsValid" ) );
Assert.AreEqual( 3, propertyChangedHandler.PropertiesChanged.Count );
testMealTemplateViewModel.Name = mealTemplate.Name;
Assert.IsFalse( testMealTemplateViewModel.IsDirty );
propertyChangedHandler.Reset();
// Make the name invalid, show that the error is set properly
testMealTemplateViewModel.Name = "";
Assert.IsTrue( String.IsNullOrEmpty( testMealTemplateViewModel.Name ) );
Assert.IsTrue( testMealTemplateViewModel.IsDirty );
Assert.IsFalse( testMealTemplateViewModel.IsValid );
Assert.AreEqual( Messages.Error_No_Name, testMealTemplateViewModel.Error );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "Name" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsDirty" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsValid" ) );
Assert.AreEqual( 3, propertyChangedHandler.PropertiesChanged.Count );
}