public BudgetGroupViewModel(BudgetGroup budgetGroup)
{
BudgetGroup = budgetGroup ?? throw new ArgumentNullException(nameof(budgetGroup));
presentation = BudgetGroupPresentationBuilder.Build(budgetGroup);
budgetGroup.BudgetItems.ToList().ForEach(item => AddBudgetItemViewModel(item));
budgetGroup.BudgetItems.CollectionChanged += BudgetItemsChanged;
budgetGroup.PropertyChanged += (o, e) => PropertyChanged?.Invoke(this, e); // NOTE: this only works as the names in this VM are the same as the model
}
public void Constructor_ValidParameter_PresentationSetupCorrectly(string id, string groupName)
{
var group = new BudgetGroup(id, groupName);
var expectedPresentation = BudgetGroupPresentationBuilder.IncomeGroupPresentation;
if (groupName == Constants.Housing)
{
expectedPresentation = BudgetGroupPresentationBuilder.HousingGroupPresentation;
}
if (groupName == Constants.Transportation)
{
expectedPresentation = BudgetGroupPresentationBuilder.TransportationGroupPresentation;
}
if (groupName == Constants.Food)
{
expectedPresentation = BudgetGroupPresentationBuilder.FoodGroupPresentation;
}
if (groupName == Constants.Personal)
{
expectedPresentation = BudgetGroupPresentationBuilder.PersonalGroupPresentation;
}
if (groupName == Constants.Debt)
{
expectedPresentation = BudgetGroupPresentationBuilder.DebtGroupPresentation;
}
if (groupName == Constants.Giving)
{
expectedPresentation = BudgetGroupPresentationBuilder.GivingGroupPresentation;
}
if (groupName == Constants.BasicExpenses)
{
expectedPresentation = BudgetGroupPresentationBuilder.BasicExpensesDisplayGroup;
}
// TEST: Construct a view model
var presentation = BudgetGroupPresentationBuilder.Build(group);
presentation.Should().BeEquivalentTo(expectedPresentation);
}
public void Constructor_ValidParameters_PresentionSetupCorrectly(string groupName)
{
var group = new BudgetGroup(groupName);
var expectedPresentation = BudgetGroupPresentationBuilder.Build(group);
// TEST: Construct a view model
BudgetGroupViewModel viewModel = new BudgetGroupViewModel(group);
// Confirm properties and items created in view model
viewModel.Name.Should().Be(groupName);
viewModel.BudgetItems.Should().BeEmpty();
viewModel.ColorKey.Should().Be(expectedPresentation.ColorKey);
viewModel.IconSource.Should().Be(expectedPresentation.IconSource);
viewModel.Description.Should().Be(expectedPresentation.Description);
viewModel.Subtitle.Should().Be(expectedPresentation.Subtitle);
viewModel.AddItemText.Should().Be(expectedPresentation.AddItemText);
viewModel.CustomTitle.Should().Be(expectedPresentation.CustomTitle);
viewModel.HasSecondaryHeader.Should().Be(expectedPresentation.HasSecondaryHeader);
viewModel.IsTitleVisible.Should().Be(string.IsNullOrWhiteSpace(expectedPresentation.CustomTitle));
viewModel.IsCustomTitleVisible.Should().Be(!viewModel.IsTitleVisible);
viewModel.HeaderTextWithoutDate.Should().Be(groupName.ToUpper());
viewModel.HeaderText.Should().Be(expectedPresentation.HasDateOnHeader ? viewModel.HeaderTextWithDate : viewModel.HeaderTextWithoutDate);
}