public void WithChange_ShouldStoreChange()
{
KeyValueChange change = RandomKeyValueChange();
MasterDetailViewModel viewModel = CreateMasterDetailViewModel();
viewModel.KeyValueChanged(change);
viewModel.Changes.Should().ContainSingle(c => Equals(c, change));
}
/// <summary>
/// Initializes a new <see cref="KeyValueUnitViewModel"/>.
/// </summary>
/// <param name="parentViewModel">The parent view model</param>
/// <param name="tag">The tag providing the data.</param>
public KeyValueUnitViewModel(MasterDetailViewModel parentViewModel, Tag tag)
: this()
{
_parentViewModel = parentViewModel;
_children = new BindableCollection <KeyValueUnitViewModel>(tag.Children.Select(t => new KeyValueUnitViewModel(parentViewModel, t)));
_tag = tag;
_pendingChange = null;
}
public void OnViewModelWithChange_ShouldClearChanges()
{
KeyValueChange change = RandomKeyValueChange();
MasterDetailViewModel viewModel = CreateMasterDetailViewModel();
viewModel.KeyValueChanged(change);
viewModel.Save();
viewModel.Changes.Should().BeEmpty();
}
public void OnViewModelWithChange_ShouldSaveChangeOnCommander()
{
KeyValueChange change = RandomKeyValueChange();
MasterDetailViewModel viewModel = CreateMasterDetailViewModel();
viewModel.KeyValueChanged(change);
viewModel.Save();
_commander.Verify(c => c.SaveChanges(_randomModule, _randomController, It.IsAny <IEnumerable <KeyValueChange> >()));
}
public void OnViewModelWithChange_WithSameChangeAgain_ShouldReplaceOldChange()
{
KeyValueChange change = RandomKeyValueChange();
MasterDetailViewModel viewModel = CreateMasterDetailViewModel();
viewModel.KeyValueChanged(RandomKeyValueChange());
viewModel.KeyValueChanged(change);
viewModel.Changes.Should().ContainSingle(c => Equals(c, change));
}
public void OnViewModelWithSuppressedChanges_ShouldNotStoreChange()
{
KeyValueChange change = RandomKeyValueChange();
MasterDetailViewModel viewModel = CreateMasterDetailViewModel();
viewModel.SuppressChangeEvent = true;
viewModel.KeyValueChanged(change);
viewModel.Changes.Should().NotContain(change);
}
/// <summary>
/// Resets all the changes made on the ui.
/// </summary>
public void Reset()
{
_pendingChange = null;
foreach (KeyValueUnitViewModel child in _children)
{
child.Reset();
}
NotifyOfPropertyChange(string.Empty);
}
/// <summary>
/// The KeyValueChanged method will be called by KeyValueUnitViewModels which can change values.
/// Value changes are only captured if the SuppressChangeEvent flag is not set.
/// </summary>
/// <param name="change">The KeyValueChange from the KeyValueUnitViewModel.</param>
public void KeyValueChanged(KeyValueChange change)
{
if (SuppressChangeEvent || change == null)
{
return;
}
KeyValueChange previousChangeWithKey = _changes.FirstOrDefault(c => string.Equals(c.Key, change.Key));
if (previousChangeWithKey != null)
{
_changes.Remove(previousChangeWithKey);
}
_changes.Add(change);
}