public void Constructor_ValidModel_ExpectPresentation()
{
var budgetItem = new BudgetItem("id", "name", 100.42m, BudgetItemType.Debt);
var viewModel = new BudgetItemViewModel(budgetItem);
viewModel.Name.Should().Be(budgetItem.Name);
viewModel.Amount.Should().Be(budgetItem.Amount.ToCurrencyString());
}
public void Name_Set_ExpectPropertyChanged()
{
var budgetItem = new BudgetItem("id", "name");
var viewModel = new BudgetItemViewModel(budgetItem);
string newName = "new name";
bool wasChanged = false;
viewModel.PropertyChanged += (sender, args) =>
{
if (args.PropertyName == nameof(viewModel.Name))
{
wasChanged = true;
}
};
viewModel.Name = newName;
wasChanged.Should().BeTrue();
}
public void Amount_Set_ExpectPropertyChanged()
{
var budgetItem = new BudgetItem("id", "name");
var viewModel = new BudgetItemViewModel(budgetItem);
decimal newAmount = -220m;
bool wasChanged = false;
viewModel.PropertyChanged += (sender, args) =>
{
if (args.PropertyName == nameof(viewModel.Amount))
{
wasChanged = true;
}
};
viewModel.Amount = newAmount.ToCurrencyString();
wasChanged.Should().BeTrue();
}
public void AddNewBudgetItem()
{
var newItem = new BudgetItem("id", NewBudgetItemName, type: DefaultItemType);
}
// Helper method
public void AddNewBudgetItem()
{
var newItem = new BudgetItem(NewBudgetItemName, DefaultItemType);
BudgetItems.Add(newItem);
}