public void CannotDeleteFoodItemIfNew()
{
var loggerMock = new Mock<ILoggerFacade>();
var dataRepositoryMock = new Mock<IDataRepository>();
var interactionServiceMock = new Mock<IInteractionService>();
var regionNavigationServiceMock = new Mock<IRegionNavigationService>();
var regionManagerMock = new Mock<IRegionManager>();
dataRepositoryMock.Setup( x => x.Contains( It.IsAny<FoodItem>() ) ).Returns( false );
dataRepositoryMock.Setup( x => x.ItemIsUsed( It.IsAny<FoodItem>() ) ).Returns( false );
dataRepositoryMock
.Setup( x => x.GetAllFoodGroups() )
.Returns( new ReadOnlyCollection<FoodGroup>( new List<FoodGroup>() ) );
var viewModel = new FoodItemViewModel( dataRepositoryMock.Object, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
var navigationContext = new NavigationContext( regionNavigationServiceMock.Object, new Uri( "FoodItem", UriKind.Relative ) );
viewModel.OnNavigatedTo( navigationContext );
viewModel.Name = "test";
viewModel.Description = "This is a test";
viewModel.FoodGroupsPerServing.Add( new ServingViewModel<FoodGroup>( new FoodGroup( Guid.NewGuid(), "test", "test" ), 1.5M ) );
// Setup the regions so we can determine if the view has been removed or not
var view = new UserControl();
view.DataContext = viewModel;
var views = new List<UserControl>();
views.Add( new UserControl() );
views.Add( view );
views.Add( new UserControl() );
views.Add( new UserControl() );
var regionMock = new Mock<IRegion>();
var regions = new List<IRegion>();
regions.Add( regionMock.Object );
regionManagerMock.Setup( x => x.Regions.GetEnumerator() ).Returns( regions.GetEnumerator() );
regionMock.Setup( x => x.Views.GetEnumerator() ).Returns( views.GetEnumerator() );
Assert.IsTrue( viewModel.IsNew );
Assert.IsFalse( viewModel.IsUsed );
Assert.IsTrue( viewModel.IsValid );
Assert.IsFalse( viewModel.DeleteCommand.CanExecute( null ) );
interactionServiceMock.Verify(
x => x.ShowMessageBox( It.IsAny<String>(), It.IsAny<String>(), It.IsAny<MessageBoxButton>(), It.IsAny<MessageBoxImage>() ), Times.Never() );
regionMock.Verify( x => x.Remove( It.IsAny<Object>() ), Times.Never() );
}
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 FoodItemViewModelID()
{
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 );
FoodItemViewModel testFoodItemViewModel =
new FoodItemViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
NavigationContext navigationContext = new NavigationContext(
regionNavigationServiceMock.Object, new Uri( "FoodItemView?ID=" + FullTestData.FruitSaladID, UriKind.Relative ) );
testFoodItemViewModel.OnNavigatedTo( navigationContext );
Assert.AreEqual( FullTestData.FruitSaladID, testFoodItemViewModel.ID );
}
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 NavigateToFoodItem()
{
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 );
FoodItemViewModel viewModel =
new FoodItemViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
NavigationContext navigationContext =
new NavigationContext( regionNavigationServiceMock.Object, new Uri( "Something?ID=" + FullTestData.CheeseBurgerID, UriKind.Relative ) );
viewModel.OnNavigatedTo( navigationContext );
Assert.AreEqual( FullTestData.CheeseBurgerID, viewModel.ID );
Assert.AreEqual( "Deluxe Bacon Cheese Burger", viewModel.Name );
Assert.AreEqual(
"Ground up cow, topped with curdled milk and salted pig fat. Add lettuce, tomato, and onion for health.", viewModel.Description );
Assert.AreEqual( 4, viewModel.FoodGroupsPerServing.Count );
Assert.IsFalse( viewModel.IsDirty );
}
public void FoodItemViewModelDefault()
{
var loggerMock = new Mock<ILoggerFacade>();
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 );
FoodItemViewModel foodItemViewModel = new FoodItemViewModel( dataRepository, null, null, loggerMock.Object );
Assert.AreEqual( DisplayStrings.NewFoodItemTitle, foodItemViewModel.Title );
}
public void ExistingFoodItemViewModelIsNotNew()
{
var loggerMock = new Mock<ILoggerFacade>();
var regionNavigationServiceMock = new Mock<IRegionNavigationService>();
var regionManagerMock = new Mock<IRegionManager>();
var dataRepositoryMock = new Mock<IDataRepository>();
var interactionServiceMock = new Mock<IInteractionService>();
var foodItem = new FoodItem( Guid.NewGuid(), "Test Food Item", "", 420 );
dataRepositoryMock.Setup( x => x.GetAllFoodGroups() )
.Returns( new ReadOnlyCollection<FoodGroup>( new List<FoodGroup>() ) );
dataRepositoryMock.Setup( x => x.Contains( foodItem ) ).Returns( true );
dataRepositoryMock.Setup( x => x.GetFoodItem( foodItem.ID ) ).Returns( foodItem );
var testFoodItemViewModel =
new FoodItemViewModel( dataRepositoryMock.Object, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
var navigationContext = new NavigationContext( regionNavigationServiceMock.Object,
new Uri( "FoodItemView?ID=" + foodItem.ID.ToString(), UriKind.Relative ) );
testFoodItemViewModel.OnNavigatedTo( navigationContext );
Assert.IsFalse( testFoodItemViewModel.IsNew );
}
public void FoodItemViewModelTitle()
{
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();
DataRepository dataRepository = new DataRepository( configurationMock.Object );
FoodItemViewModel foodItemViewModel =
new FoodItemViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
Assert.AreEqual( DisplayStrings.NewFoodItemTitle, foodItemViewModel.Title );
// Need to navigate to a new food group in order to makes changes and save them.
NavigationContext navigationContext = new NavigationContext(
regionNavigationServiceMock.Object, new Uri( "FoodItemView", UriKind.Relative ) );
foodItemViewModel.OnNavigatedTo( navigationContext );
Assert.AreEqual( DisplayStrings.NewFoodItemTitle, foodItemViewModel.Title );
foodItemViewModel.Name = "Test the Title";
foodItemViewModel.Description = "This is just to test the title";
foodItemViewModel.CaloriesPerServing = 90;
foodItemViewModel.FoodGroupsPerServing.Add( new ServingViewModel<FoodGroup>( dataRepository.GetAllFoodGroups()[0], 1 ) );
Assert.AreEqual( DisplayStrings.NewFoodItemTitle, foodItemViewModel.Title );
Assert.IsTrue( foodItemViewModel.SaveCommand.CanExecute( null ) );
foodItemViewModel.SaveCommand.Execute( null );
Assert.AreEqual( "Test the Title", foodItemViewModel.Title );
}
public void SaveNotCalledForNonChangedFoodItem()
{
var loggerMock = new Mock<ILoggerFacade>();
var regionManagerMock = new Mock<IRegionManager>();
var regionNavigationServiceMock = new Mock<IRegionNavigationService>();
var dataRepositoryMock = new Mock<IDataRepository>();
var interactionServiceMock = new Mock<IInteractionService>();
var foodItem = new FoodItem( Guid.NewGuid(), "FoodItem", "", 420 );
foodItem.FoodGroupsPerServing.Add( new Serving<FoodGroup>( new FoodGroup( Guid.NewGuid(), "Test Group", "" ), 1 ) );
dataRepositoryMock.Setup( x => x.GetAllFoodGroups() )
.Returns( new ReadOnlyCollection<FoodGroup>( new List<FoodGroup>() ) );
dataRepositoryMock.Setup( x => x.Contains( foodItem ) ).Returns( true );
dataRepositoryMock.Setup( x => x.GetFoodItem( foodItem.ID ) ).Returns( foodItem );
var foodItemViewModel =
new FoodItemViewModel( dataRepositoryMock.Object, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
var navigationContext = new NavigationContext( regionNavigationServiceMock.Object,
new Uri( "FoodItemView?ID=" + foodItem.ID.ToString(), UriKind.Relative ) );
foodItemViewModel.OnNavigatedTo( navigationContext );
Assert.IsTrue( foodItemViewModel.IsValid );
Assert.IsFalse( foodItemViewModel.IsDirty );
Assert.IsFalse( foodItemViewModel.IsNew );
foodItemViewModel.SaveCommand.Execute( null );
dataRepositoryMock.Verify( x => x.SaveItem( It.IsAny<FoodItem>() ), Times.Never() );
}
/// <summary>
/// Close test template. All of the close tests follow this based pattern, so they all call this rather than repeating everything
/// </summary>
private void RunCloseTest( Boolean makeDirty, Boolean makeInvalid, MessageBoxResult messageResponse, Boolean expectRemove, Boolean expectSave )
{
var loggerMock = new Mock<ILoggerFacade>();
Mock<IDataRepository> dataRepositoryMock = new Mock<IDataRepository>();
Mock<IRegionNavigationService> regionNavigationServiceMock = new Mock<IRegionNavigationService>();
Mock<IRegionManager> regionManagerMock = new Mock<IRegionManager>();
Mock<IRegion> regionWithoutViewMock = new Mock<IRegion>();
Mock<IRegion> regionMock = new Mock<IRegion>();
Mock<IInteractionService> interactionServiceMock = new Mock<IInteractionService>();
// Set up the food group list in the data repository mock.
FoodGroup testFoodGroup = new FoodGroup( Guid.NewGuid(), "test", "The only food group in the mock data repository" );
List<FoodGroup> foodGroups = new List<FoodGroup>();
foodGroups.Add( testFoodGroup );
dataRepositoryMock.Setup( x => x.GetAllFoodGroups() ).Returns( new ReadOnlyCollection<FoodGroup>( foodGroups ) );
FoodItem foodItem = new FoodItem( Guid.NewGuid(), "Test Food Item", "Test Food Item Description", 42.0M );
foodItem.FoodGroupsPerServing.Add( new Serving<FoodGroup>( testFoodGroup, 5.0M ) );
Assert.IsTrue( foodItem.IsValid );
dataRepositoryMock.Setup( x => x.GetFoodItem( foodItem.ID ) ).Returns( foodItem );
dataRepositoryMock.Setup( x => x.Contains( foodItem ) ).Returns( true );
// Create the view model under test and associate it with a view
FoodItemViewModel viewModel =
new FoodItemViewModel( dataRepositoryMock.Object, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
UserControl view = new UserControl();
view.DataContext = viewModel;
// Set up two regions each with their own set of views.
List<UserControl> views = new List<UserControl>();
views.Add( new UserControl() );
views.Add( view );
views.Add( new UserControl() );
views.Add( new UserControl() );
List<UserControl> viewsWithoutView = new List<UserControl>();
viewsWithoutView.Add( new UserControl() );
viewsWithoutView.Add( new UserControl() );
List<IRegion> regions = new List<IRegion>();
regions.Add( regionMock.Object );
regionManagerMock.Setup( x => x.Regions.GetEnumerator() ).Returns( regions.GetEnumerator() );
regionWithoutViewMock.Setup( x => x.Views.GetEnumerator() ).Returns( viewsWithoutView.GetEnumerator() );
regionMock.Setup( x => x.Views.GetEnumerator() ).Returns( views.GetEnumerator() );
// Navigate to the view that "displays" our food mealType. This loads the view model
NavigationContext navigationContext =
new NavigationContext( regionNavigationServiceMock.Object, new Uri( "FoodItemView?ID=" + foodItem.ID.ToString(), UriKind.Relative ) );
viewModel.OnNavigatedTo( navigationContext );
if (makeDirty)
{
if (makeInvalid)
{
interactionServiceMock
.Setup( x => x.ShowMessageBox( Messages.Question_FoodItem_Close, DisplayStrings.CloseCaption, MessageBoxButton.YesNo, MessageBoxImage.Question ) )
.Returns( messageResponse );
viewModel.Name = "";
Assert.IsTrue( viewModel.IsDirty );
Assert.IsFalse( viewModel.IsValid );
}
else
{
interactionServiceMock
.Setup( x => x.ShowMessageBox( Messages.Question_FoodItem_Save, DisplayStrings.SaveChangesCaption, MessageBoxButton.YesNoCancel, MessageBoxImage.Question ) )
.Returns( messageResponse );
viewModel.Name = "Something Else";
Assert.IsTrue( viewModel.IsDirty );
Assert.IsTrue( viewModel.IsValid );
}
}
else
{
// This will fail if we have passed in the non-sensical makeDirty == false, makeInvalid == true
Assert.AreEqual( makeDirty, viewModel.IsDirty );
}
// Attempt a close.
viewModel.CloseCommand.Execute( null );
// If we were dirty, then we need to verify that the correct interaction was done, otherwise, that no interaction was done
if (makeDirty)
{
interactionServiceMock.VerifyAll();
}
else
{
interactionServiceMock.Verify(
x => x.ShowMessageBox( It.IsAny<String>(), It.IsAny<String>(), It.IsAny<MessageBoxButton>(), It.IsAny<MessageBoxImage>() ), Times.Never() );
}
if (expectRemove)
{
regionMock.Verify( x => x.Remove( view ), Times.Exactly( 1 ) );
regionMock.Verify( x => x.Remove( It.IsAny<UserControl>() ), Times.Exactly( 1 ) );
}
else
{
regionMock.Verify( x => x.Remove( It.IsAny<UserControl>() ), Times.Never() );
}
if (expectSave)
{
dataRepositoryMock.Verify( x => x.SaveItem( foodItem ), Times.Exactly( 1 ) );
dataRepositoryMock.Verify( x => x.SaveItem( It.IsAny<FoodItem>() ), Times.Exactly( 1 ) );
}
else
{
dataRepositoryMock.Verify( x => x.SaveItem( It.IsAny<FoodItem>() ), Times.Never() );
}
}
public void SaveNotCalledForInvalidNewFoodItem()
{
var loggerMock = new Mock<ILoggerFacade>();
var regionManagerMock = new Mock<IRegionManager>();
var regionNavigationServiceMock = new Mock<IRegionNavigationService>();
var dataRepositoryMock = new Mock<IDataRepository>();
var interactionServiceMock = new Mock<IInteractionService>();
dataRepositoryMock.Setup( x => x.GetAllFoodGroups() )
.Returns( new ReadOnlyCollection<FoodGroup>( new List<FoodGroup>() ) );
dataRepositoryMock.Setup( x => x.Contains( It.IsAny<FoodItem>() ) ).Returns( false );
var foodItemViewModel =
new FoodItemViewModel( dataRepositoryMock.Object, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
var navigationContext = new NavigationContext( regionNavigationServiceMock.Object, new Uri( "FoodItemView", UriKind.Relative ) );
foodItemViewModel.OnNavigatedTo( navigationContext );
foodItemViewModel.Name = "New Food Item";
foodItemViewModel.CaloriesPerServing = 420;
Assert.IsFalse( foodItemViewModel.IsValid );
Assert.IsTrue( foodItemViewModel.IsNew );
foodItemViewModel.SaveCommand.Execute( null );
dataRepositoryMock.Verify( x => x.SaveItem( It.IsAny<FoodItem>() ), Times.Never() );
}
public void NewFoodItemViewModelIsNew()
{
var loggerMock = new Mock<ILoggerFacade>();
var regionNavigationServiceMock = new Mock<IRegionNavigationService>();
var regionManagerMock = new Mock<IRegionManager>();
var dataRepositoryMock = new Mock<IDataRepository>();
var interactionServiceMock = new Mock<IInteractionService>();
dataRepositoryMock.Setup( x => x.GetAllFoodGroups() )
.Returns( new ReadOnlyCollection<FoodGroup>( new List<FoodGroup>() ) );
dataRepositoryMock.Setup( x => x.Contains( It.IsAny<FoodItem>() ) ).Returns( false );
var testFoodItemViewModel =
new FoodItemViewModel( dataRepositoryMock.Object, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
var navigationContext = new NavigationContext( regionNavigationServiceMock.Object, new Uri( "FoodItemView", UriKind.Relative ) );
testFoodItemViewModel.OnNavigatedTo( navigationContext );
Assert.IsTrue( testFoodItemViewModel.IsNew );
}
public void NavigateToNewFoodItem()
{
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 );
var viewModel =
new FoodItemViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
var navigationContext =
new NavigationContext( regionNavigationServiceMock.Object, new Uri( "FoodItemViewModel", UriKind.Relative ) );
viewModel.OnNavigatedTo( navigationContext );
foreach (var foodItem in dataRepository.GetAllFoodItems())
{
Assert.AreNotEqual( foodItem.ID, viewModel.ID );
}
Assert.IsNull( viewModel.Name );
Assert.IsNull( viewModel.Description );
Assert.AreEqual( 0, viewModel.FoodGroupsPerServing.Count );
Assert.IsFalse( viewModel.IsDirty );
}
public void FoodItemViewModelIsValid()
{
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 );
FoodItemViewModel testFoodItemViewModel =
new FoodItemViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
NavigationContext navigationContext = new NavigationContext( regionNavigationServiceMock.Object, new Uri( "FoodItemView", UriKind.Relative ) );
testFoodItemViewModel.OnNavigatedTo( navigationContext );
Assert.IsFalse( testFoodItemViewModel.IsValid );
Assert.AreEqual( Messages.Error_No_Name, testFoodItemViewModel["Name"] );
Assert.AreEqual( Messages.Error_No_FoodGroups, testFoodItemViewModel["FoodGroupsPerServing"] );
Assert.IsTrue( String.IsNullOrEmpty( testFoodItemViewModel["Description"] ) );
testFoodItemViewModel.Name = "Fruit Salad";
testFoodItemViewModel.FoodGroupsPerServing.Add(
new ServingViewModel<FoodGroup>(
dataRepository.FindFoodGroup( fg => fg.Name == "Fruit" ), 1 ) );
Assert.IsFalse( testFoodItemViewModel.IsValid );
Assert.AreEqual( Messages.Error_FoodItem_Exists, testFoodItemViewModel["Name"] );
Assert.IsTrue( String.IsNullOrEmpty( testFoodItemViewModel["FoodGroupsPerServing"] ) );
Assert.IsTrue( String.IsNullOrEmpty( testFoodItemViewModel["Description"] ) );
testFoodItemViewModel.Name = "Some Unique Name";
Assert.IsTrue( testFoodItemViewModel.IsValid );
Assert.IsTrue( String.IsNullOrEmpty( testFoodItemViewModel.Error ) );
Assert.IsTrue( String.IsNullOrEmpty( testFoodItemViewModel["Name"] ) );
Assert.IsTrue( String.IsNullOrEmpty( testFoodItemViewModel["FoodGroupsPerServing"] ) );
Assert.IsTrue( String.IsNullOrEmpty( testFoodItemViewModel["Description"] ) );
}
public void FoodItemIsNotDeletedIfAnswerIsNo()
{
var loggerMock = new Mock<ILoggerFacade>();
var dataRepositoryMock = new Mock<IDataRepository>();
var interactionServiceMock = new Mock<IInteractionService>();
var regionNavigationServiceMock = new Mock<IRegionNavigationService>();
var regionManagerMock = new Mock<IRegionManager>();
var foodItem = new FoodItem( Guid.NewGuid(), "Test", "This is a test", 90.5M );
foodItem.FoodGroupsPerServing.Add( new Serving<FoodGroup>( new FoodGroup( Guid.NewGuid(), "test", "test" ), 1.5M ) );
dataRepositoryMock.Setup( x => x.Contains( foodItem ) ).Returns( true );
dataRepositoryMock.Setup( x => x.ItemIsUsed( foodItem ) ).Returns( false );
dataRepositoryMock.Setup( x => x.GetFoodItem( foodItem.ID ) ).Returns( foodItem );
dataRepositoryMock
.Setup( x => x.GetAllFoodGroups() )
.Returns( new ReadOnlyCollection<FoodGroup>( new List<FoodGroup>() ) );
var viewModel = new FoodItemViewModel( dataRepositoryMock.Object, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
var navigationContext =
new NavigationContext( regionNavigationServiceMock.Object, new Uri( "FoodItem?ID=" + foodItem.ID.ToString(), UriKind.Relative ) );
viewModel.OnNavigatedTo( navigationContext );
// Setup the regions so we can determine if the view has been removed or not
var view = new UserControl();
view.DataContext = viewModel;
var views = new List<UserControl>();
views.Add( new UserControl() );
views.Add( view );
views.Add( new UserControl() );
views.Add( new UserControl() );
var regionMock = new Mock<IRegion>();
var regions = new List<IRegion>();
regions.Add( regionMock.Object );
regionManagerMock.Setup( x => x.Regions.GetEnumerator() ).Returns( regions.GetEnumerator() );
regionMock.Setup( x => x.Views.GetEnumerator() ).Returns( views.GetEnumerator() );
interactionServiceMock
.Setup( x => x.ShowMessageBox(
Messages.Question_FoodItem_Delete, DisplayStrings.DeleteCaption, MessageBoxButton.YesNo, MessageBoxImage.Question ) )
.Returns( MessageBoxResult.No );
Assert.IsTrue( viewModel.DeleteCommand.CanExecute( null ) );
viewModel.DeleteCommand.Execute( null );
interactionServiceMock.VerifyAll();
dataRepositoryMock.VerifyAll();
dataRepositoryMock.Verify( x => x.Remove( foodItem ), Times.Never() );
regionMock.Verify( x => x.Remove( view ), Times.Never() );
regionMock.Verify( x => x.Remove( It.IsAny<Object>() ), Times.Never() );
}
public void FoodItemViewModelName()
{
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();
FoodItem testFoodItem = dataRepository.GetFoodItem( FullTestData.CheeseBurgerID );
FoodItemViewModel testFoodItemViewModel =
new FoodItemViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
// Tests:
// o Name is the same as the object from the repository
// o Changing the name causes appropriate properties to be marked as changed
NavigationContext navigationContext = new NavigationContext(
regionNavigationServiceMock.Object, new Uri( "FoodItemView?ID=" + testFoodItem.ID.ToString(), UriKind.Relative ) );
testFoodItemViewModel.OnNavigatedTo( navigationContext );
testFoodItemViewModel.PropertyChanged += propertyChangedHandler.OnPropertyChanged;
Assert.AreEqual( testFoodItem.Name, testFoodItemViewModel.Name );
testFoodItemViewModel.Name = "Some other name";
Assert.AreEqual( "Some other name", testFoodItemViewModel.Name );
Assert.AreEqual( 3, propertyChangedHandler.PropertiesChanged.Count );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "Name" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsDirty" ) );
Assert.IsTrue( propertyChangedHandler.PropertiesChanged.Contains( "IsValid" ) );
}
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 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 FoodItemViewModelValidFoodGroups()
{
var loggerMock = new Mock<ILoggerFacade>();
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 );
FoodItemViewModel foodItemViewModel =
new FoodItemViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
Assert.IsNotNull( foodItemViewModel.ValidFoodGroups );
Assert.AreEqual( dataRepository.GetAllFoodGroups().Count, foodItemViewModel.ValidFoodGroups.Items.Count );
}
