public void CannotDeleteFoodGroupIfNew()
{
var loggerMock = new Mock<ILoggerFacade>();
var dataRepositoryMock = new Mock<IDataRepository>();
var regionNavigationServiceMock = new Mock<IRegionNavigationService>();
var regionManagerMock = new Mock<IRegionManager>();
var interactionServiceMock = new Mock<IInteractionService>();
// If any and all calls to Contains() returns false, everything will look like it is new.
dataRepositoryMock.Setup( x => x.Contains( It.IsAny<FoodGroup>() ) ).Returns( false );
dataRepositoryMock.Setup( x => x.ItemIsUsed( It.IsAny<FoodGroup>() ) ).Returns( false );
var viewModel =
new FoodGroupViewModel( dataRepositoryMock.Object, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
var navigationContext =
new NavigationContext( regionNavigationServiceMock.Object, new Uri( "FoodGroupView", UriKind.Relative ) );
viewModel.OnNavigatedTo( navigationContext );
viewModel.Name = "New Food Group, Delete Test #1";
viewModel.Description = "New valid food group.";
// 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.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<UserControl>() ), 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>();
FoodGroupViewModel viewModel =
new FoodGroupViewModel( 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 );
regions.Add( regionWithoutViewMock.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() );
// Setup a food group in the mock repository, navigate to it
FoodGroup foodGroup = new FoodGroup( Guid.NewGuid(), "Test Food Group", "Test Food Group Description" );
dataRepositoryMock.Setup( x => x.GetFoodGroup( foodGroup.ID ) ).Returns( foodGroup );
dataRepositoryMock.Setup( x => x.Contains( foodGroup ) ).Returns( true );
NavigationContext navigationContext =
new NavigationContext( regionNavigationServiceMock.Object, new Uri( "FoodGroupView?ID=" + foodGroup.ID.ToString(), UriKind.Relative ) );
viewModel.OnNavigatedTo( navigationContext );
if (makeDirty)
{
if (makeInvalid)
{
interactionServiceMock
.Setup( x => x.ShowMessageBox( Messages.Question_FoodGroup_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_FoodGroup_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( foodGroup ), Times.Exactly( 1 ) );
dataRepositoryMock.Verify( x => x.SaveItem( It.IsAny<FoodGroup>() ), Times.Exactly( 1 ) );
}
else
{
dataRepositoryMock.Verify( x => x.SaveItem( It.IsAny<FoodGroup>() ), Times.Never() );
}
}
public void UsedFoodGroupIsUsed()
{
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 foodGroup = new FoodGroup( Guid.NewGuid(), "Test", "" );
dataRepositoryMock.Setup( x => x.Contains( foodGroup ) ).Returns( true );
dataRepositoryMock.Setup( x => x.GetFoodGroup( foodGroup.ID ) ).Returns( foodGroup );
dataRepositoryMock.Setup( x => x.ItemIsUsed( foodGroup ) ).Returns( true );
var testFoodGroupViewModel =
new FoodGroupViewModel( dataRepositoryMock.Object, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
var navigationContext = new NavigationContext( regionNavigationServiceMock.Object,
new Uri( "FoodGroupView?ID=" + foodGroup.ID.ToString(), UriKind.Relative ) );
testFoodGroupViewModel.OnNavigatedTo( navigationContext );
Assert.IsTrue( testFoodGroupViewModel.IsUsed );
}
public void SaveNotCalledForNonChangedFoodGroup()
{
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 foodGroup = new FoodGroup( Guid.NewGuid(), "FoodGroup", "" );
dataRepositoryMock.Setup( x => x.Contains( foodGroup ) ).Returns( true );
dataRepositoryMock.Setup( x => x.GetFoodGroup( foodGroup.ID ) ).Returns( foodGroup );
var foodGroupViewModel =
new FoodGroupViewModel( dataRepositoryMock.Object, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
var navigationContext = new NavigationContext( regionNavigationServiceMock.Object,
new Uri( "FoodGroupView?ID=" + foodGroup.ID.ToString(), UriKind.Relative ) );
foodGroupViewModel.OnNavigatedTo( navigationContext );
Assert.IsTrue( foodGroupViewModel.IsValid );
Assert.IsFalse( foodGroupViewModel.IsDirty );
Assert.IsFalse( foodGroupViewModel.IsNew );
foodGroupViewModel.SaveCommand.Execute( null );
dataRepositoryMock.Verify( x => x.SaveItem( It.IsAny<FoodGroup>() ), Times.Never() );
}
public void SaveNotCalledForInvalidNewFoodGroup()
{
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.Contains( It.IsAny<FoodGroup>() ) ).Returns( false );
var foodGroupViewModel =
new FoodGroupViewModel( dataRepositoryMock.Object, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
var navigationContext = new NavigationContext( regionNavigationServiceMock.Object, new Uri( "FoodGroupView", UriKind.Relative ) );
foodGroupViewModel.OnNavigatedTo( navigationContext );
Assert.IsFalse( foodGroupViewModel.IsValid );
Assert.IsTrue( foodGroupViewModel.IsNew );
foodGroupViewModel.SaveCommand.Execute( null );
dataRepositoryMock.Verify( x => x.SaveItem( It.IsAny<FoodGroup>() ), Times.Never() );
}
public void CannotDeleteFoodGroupIfUsed()
{
var loggerMock = new Mock<ILoggerFacade>();
var dataRepositoryMock = new Mock<IDataRepository>();
var regionNavigationServiceMock = new Mock<IRegionNavigationService>();
var regionManagerMock = new Mock<IRegionManager>();
var interactionServiceMock = new Mock<IInteractionService>();
var foodGroup = new FoodGroup( Guid.NewGuid(), "Test Me", "This is a test" );
dataRepositoryMock.Setup( x => x.Contains( foodGroup ) ).Returns( true );
dataRepositoryMock.Setup( x => x.GetFoodGroup( foodGroup.ID ) ).Returns( foodGroup );
dataRepositoryMock.Setup( x => x.ItemIsUsed( foodGroup ) ).Returns( true );
var viewModel =
new FoodGroupViewModel( dataRepositoryMock.Object, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
var navigationContext =
new NavigationContext( regionNavigationServiceMock.Object, new Uri( "FoodGroupView?ID=" + foodGroup.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() );
Assert.IsFalse( viewModel.DeleteCommand.CanExecute( null ) );
dataRepositoryMock.VerifyAll();
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<UserControl>() ), Times.Never() );
}
public void NewFoodGroupViewModelIsNew()
{
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.Contains( It.IsAny<FoodGroup>() ) ).Returns( false );
var testFoodGroupViewModel =
new FoodGroupViewModel( dataRepositoryMock.Object, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
var navigationContext = new NavigationContext( regionNavigationServiceMock.Object, new Uri( "FoodGroupView", UriKind.Relative ) );
testFoodGroupViewModel.OnNavigatedTo( navigationContext );
Assert.IsTrue( testFoodGroupViewModel.IsNew );
}
public void NavigateToNewFoodGroup()
{
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 FoodGroupViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
var navigationContext =
new NavigationContext( regionNavigationServiceMock.Object, new Uri( "FoodGroupView", UriKind.Relative ) );
viewModel.OnNavigatedTo( navigationContext );
Assert.AreNotEqual( FullTestData.DairyID, viewModel.ID );
Assert.IsNull( viewModel.Name );
Assert.IsNull( viewModel.Description );
Assert.IsFalse( viewModel.IsDirty );
}
public void FoodGroupViewModelUndoRedo()
{
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 );
// Should not be able to undo or redo on a new object.
FoodGroupViewModel foodGroupViewModel =
new FoodGroupViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
NavigationContext navigationContext = new NavigationContext( regionNavigationServiceMock.Object, new Uri( "FoodGroupView", UriKind.Relative ) );
foodGroupViewModel.OnNavigatedTo( navigationContext );
Assert.IsFalse( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodGroupViewModel.RedoCommand.CanExecute( null ) );
// Set initial data and save then load into new view model to reset the undo/redo cache
foodGroupViewModel.Name = "Bob";
foodGroupViewModel.Description = "Battery Operated Buddy";
foodGroupViewModel.SaveCommand.Execute( null );
navigationContext = new NavigationContext(
regionNavigationServiceMock.Object, new Uri( "FoodGroupView?ID=" + foodGroupViewModel.ID.ToString(), UriKind.Relative ) );
foodGroupViewModel = new FoodGroupViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
foodGroupViewModel.OnNavigatedTo( navigationContext );
Assert.IsFalse( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodGroupViewModel.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 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
foodGroupViewModel.Name = "Pete";
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.Name += "r";
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.Description = "The Rock";
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.Name = "Simon";
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.Name = "Saul";
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.Description = "The Persecutor";
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.Description = "The Apostle";
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.Name = "Paul";
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodGroupViewModel.RedoCommand.CanExecute( null ) );
Assert.AreEqual( "Paul", foodGroupViewModel.Name );
Assert.AreEqual( "The Apostle", foodGroupViewModel.Description );
// Undo once. Verify last thing done is undone, and we can redo.
foodGroupViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Saul", foodGroupViewModel.Name );
Assert.AreEqual( "The Apostle", foodGroupViewModel.Description );
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodGroupViewModel.RedoCommand.CanExecute( null ) );
// Redo. Verify last thing undone is redone, can no longer redo, can still undo.
foodGroupViewModel.RedoCommand.Execute( null );
Assert.AreEqual( "Paul", foodGroupViewModel.Name );
Assert.AreEqual( "The Apostle", foodGroupViewModel.Description );
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsFalse( foodGroupViewModel.RedoCommand.CanExecute( null ) );
// Undo 4 times, verify undo worked
foodGroupViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Saul", foodGroupViewModel.Name );
Assert.AreEqual( "The Apostle", foodGroupViewModel.Description );
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Saul", foodGroupViewModel.Name );
Assert.AreEqual( "The Persecutor", foodGroupViewModel.Description );
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Saul", foodGroupViewModel.Name );
Assert.AreEqual( "The Rock", foodGroupViewModel.Description );
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Simon", foodGroupViewModel.Name );
Assert.AreEqual( "The Rock", foodGroupViewModel.Description );
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodGroupViewModel.RedoCommand.CanExecute( null ) );
// Redo 2 times, verify
foodGroupViewModel.RedoCommand.Execute( null );
Assert.AreEqual( "Saul", foodGroupViewModel.Name );
Assert.AreEqual( "The Rock", foodGroupViewModel.Description );
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.RedoCommand.Execute( null );
Assert.AreEqual( "Saul", foodGroupViewModel.Name );
Assert.AreEqual( "The Persecutor", foodGroupViewModel.Description );
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodGroupViewModel.RedoCommand.CanExecute( null ) );
// Undo 6 times. Back to original, cannot undo, can redo
foodGroupViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Saul", foodGroupViewModel.Name );
Assert.AreEqual( "The Rock", foodGroupViewModel.Description );
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Simon", foodGroupViewModel.Name );
Assert.AreEqual( "The Rock", foodGroupViewModel.Description );
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Peter", foodGroupViewModel.Name );
Assert.AreEqual( "The Rock", foodGroupViewModel.Description );
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Peter", foodGroupViewModel.Name );
Assert.AreEqual( "Battery Operated Buddy", foodGroupViewModel.Description );
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Pete", foodGroupViewModel.Name );
Assert.AreEqual( "Battery Operated Buddy", foodGroupViewModel.Description );
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.UndoCommand.Execute( null );
Assert.AreEqual( "Bob", foodGroupViewModel.Name );
Assert.AreEqual( "Battery Operated Buddy", foodGroupViewModel.Description );
Assert.IsFalse( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodGroupViewModel.RedoCommand.CanExecute( null ) );
// Redo 3 times, verify
foodGroupViewModel.RedoCommand.Execute( null );
Assert.AreEqual( "Pete", foodGroupViewModel.Name );
Assert.AreEqual( "Battery Operated Buddy", foodGroupViewModel.Description );
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.RedoCommand.Execute( null );
Assert.AreEqual( "Peter", foodGroupViewModel.Name );
Assert.AreEqual( "Battery Operated Buddy", foodGroupViewModel.Description );
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodGroupViewModel.RedoCommand.CanExecute( null ) );
foodGroupViewModel.RedoCommand.Execute( null );
Assert.AreEqual( "Peter", foodGroupViewModel.Name );
Assert.AreEqual( "The Rock", foodGroupViewModel.Description );
Assert.IsTrue( foodGroupViewModel.UndoCommand.CanExecute( null ) );
Assert.IsTrue( foodGroupViewModel.RedoCommand.CanExecute( null ) );
}
public void FoodGroupViewModelTitle()
{
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 );
FoodGroupViewModel foodGroupViewModel =
new FoodGroupViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
Assert.AreEqual( DisplayStrings.NewFoodGroupTitle, foodGroupViewModel.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( "FoodGroupView", UriKind.Relative ) );
foodGroupViewModel.OnNavigatedTo( navigationContext );
Assert.AreEqual( DisplayStrings.NewFoodGroupTitle, foodGroupViewModel.Title );
foodGroupViewModel.Name = "Test the Title";
foodGroupViewModel.Description = "This is just to test the title";
Assert.AreEqual( DisplayStrings.NewFoodGroupTitle, foodGroupViewModel.Title );
Assert.IsTrue( foodGroupViewModel.SaveCommand.CanExecute( null ) );
foodGroupViewModel.SaveCommand.Execute( null );
Assert.AreEqual( "Test the Title", foodGroupViewModel.Title );
}
public void FoodGroupViewModelName()
{
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 );
PropertyChangedHandler propertyChangedHandler = new PropertyChangedHandler();
FoodGroup testFoodGroup = dataRepository.GetFoodGroup( FullTestData.MeatID );
// Tests:
// o Name is the same as the object from the repository
// o Changing the name causes appropriate properties to be marked as changed
FoodGroupViewModel testFoodGroupViewModel =
new FoodGroupViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
NavigationContext navigationContext = new NavigationContext(
regionNavigationServiceMock.Object, new Uri( "FoodGroupView?ID=" + FullTestData.MeatID, UriKind.Relative ) );
testFoodGroupViewModel.OnNavigatedTo( navigationContext );
testFoodGroupViewModel.PropertyChanged += propertyChangedHandler.OnPropertyChanged;
Assert.AreEqual( testFoodGroup.Name, testFoodGroupViewModel.Name );
testFoodGroupViewModel.Name = "Some other name";
Assert.AreEqual( "Some other name", testFoodGroupViewModel.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 FoodGroupViewModelIsValid()
{
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 );
FoodGroupViewModel testFoodGroupViewModel =
new FoodGroupViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
NavigationContext navigationContext = new NavigationContext( regionNavigationServiceMock.Object, new Uri( "FoodGroupView", UriKind.Relative ) );
testFoodGroupViewModel.OnNavigatedTo( navigationContext );
Assert.IsFalse( testFoodGroupViewModel.IsValid );
Assert.AreEqual( Messages.Error_No_Name, testFoodGroupViewModel.Error );
Assert.AreEqual( Messages.Error_No_Name, testFoodGroupViewModel["Name"] );
Assert.IsNull( testFoodGroupViewModel["Description"] );
testFoodGroupViewModel.Name = "Fruit";
Assert.IsFalse( testFoodGroupViewModel.IsValid );
Assert.AreEqual( Messages.Error_FoodGroup_Exists, testFoodGroupViewModel.Error );
Assert.AreEqual( Messages.Error_FoodGroup_Exists, testFoodGroupViewModel["Name"] );
Assert.IsNull( testFoodGroupViewModel["Description"] );
testFoodGroupViewModel.Name = "Some Unique Name";
Assert.IsTrue( testFoodGroupViewModel.IsValid );
Assert.IsTrue( String.IsNullOrEmpty( testFoodGroupViewModel.Error ) );
Assert.IsTrue( String.IsNullOrEmpty( testFoodGroupViewModel["Name"] ) );
Assert.IsTrue( String.IsNullOrEmpty( testFoodGroupViewModel["Description"] ) );
}
public void FoodGroupViewModelIsDirty()
{
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 );
// Existing Food group
// Starts clean
// Change Name - dirty
// Undo - clean
// Change Description - dirty
// Undo - clean
FoodGroup vegetableFoodGroup = dataRepository.GetFoodGroup( FullTestData.VegetableID );
Assert.IsNotNull( vegetableFoodGroup );
String originalName = vegetableFoodGroup.Name;
String originalDescription = vegetableFoodGroup.Description;
FoodGroupViewModel vegetableFoodGroupViewModel =
new FoodGroupViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
NavigationContext navigationContext = new NavigationContext(
regionNavigationServiceMock.Object, new Uri( "DoesItMatter?ID=" + vegetableFoodGroup.ID.ToString(), UriKind.Relative ) );
vegetableFoodGroupViewModel.OnNavigatedTo( navigationContext );
Assert.IsFalse( vegetableFoodGroupViewModel.IsDirty );
vegetableFoodGroupViewModel.Name += "Modified";
Assert.IsTrue( vegetableFoodGroupViewModel.IsDirty );
vegetableFoodGroupViewModel.Name = originalName;
Assert.IsFalse( vegetableFoodGroupViewModel.IsDirty );
vegetableFoodGroupViewModel.Description += "Different";
Assert.IsTrue( vegetableFoodGroupViewModel.IsDirty );
vegetableFoodGroupViewModel.Description = originalDescription;
Assert.IsFalse( vegetableFoodGroupViewModel.IsDirty );
vegetableFoodGroupViewModel.Name = null;
Assert.IsTrue( vegetableFoodGroupViewModel.IsDirty );
vegetableFoodGroupViewModel.Name = originalName;
Assert.IsFalse( vegetableFoodGroupViewModel.IsDirty );
}
public void FoodGroupViewModelID()
{
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 );
FoodGroupViewModel testFoodGroupViewModel =
new FoodGroupViewModel( dataRepository, regionManagerMock.Object, interactionServiceMock.Object, loggerMock.Object );
NavigationContext navigationContext = new NavigationContext(
regionNavigationServiceMock.Object, new Uri( "FoodGroupView?ID=" + FullTestData.VegetableID.ToString(), UriKind.Relative ) );
testFoodGroupViewModel.OnNavigatedTo( navigationContext );
Assert.AreEqual( FullTestData.VegetableID, testFoodGroupViewModel.ID );
}
public void FoodGroupViewModelDefault()
{
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 );
FoodGroupViewModel foodGroupViewModel = new FoodGroupViewModel( dataRepository, null, null, loggerMock.Object );
// This is really the only property that should be set at this point.
// There is no model set until the view/view model is navigated to.
Assert.AreEqual( DisplayStrings.NewFoodGroupTitle, foodGroupViewModel.Title );
}
