public void Constructor_ValidModel_ExpectPresentation()
{
var budget = BudgetBuilder.Build();
var ratios = new BudgetRatio(budget);
var summary = new BudgetSummary(budget, ratios);
var viewModel = new BudgetSummaryViewModel(summary);
viewModel.Width.Should().Be(summary.Width);
viewModel.HousingGroupWidth.Should().Be(summary.HousingGroupWidth);
viewModel.TransportationGroupWidth.Should().Be(summary.TransportationGroupWidth);
viewModel.FoodGroupWidth.Should().Be(summary.FoodGroupWidth);
viewModel.PersonalGroupWidth.Should().Be(summary.PersonalGroupWidth);
viewModel.GivingGroupWidth.Should().Be(summary.GivingGroupWidth);
viewModel.DebtGroupWidth.Should().Be(summary.DebtGroupWidth);
viewModel.TransportationGroupOffset.Should().Be(summary.TransportationGroupOffset);
viewModel.FoodGroupOffset.Should().Be(summary.FoodGroupOffset);
viewModel.PersonalGroupOffset.Should().Be(summary.PersonalGroupOffset);
viewModel.GivingGroupOffset.Should().Be(summary.GivingGroupOffset);
viewModel.DebtGroupOffset.Should().Be(summary.DebtGroupOffset);
viewModel.BudgetDelta.Should().Be(summary.BudgetDelta.ToCurrencyString());
viewModel.IsOverBudget.Should().Be(summary.IsOverBudget);
viewModel.IsUnderBudget.Should().Be(summary.IsUnderBudget);
viewModel.IsOnBudget.Should().Be(summary.IsOnBudget);
}
public void Constructor_ValidModel_ExpectPresentation()
{
var budget = BudgetBuilder.Build();
var ratios = new BudgetRatio(budget);
var summary = new BudgetSummary(budget, ratios);
summary.HousingGroupWidth.Should().Be(summary.Width);
summary.TransportationGroupWidth.Should().Be(summary.Width);
summary.FoodGroupWidth.Should().Be(summary.Width);
summary.PersonalGroupWidth.Should().Be(summary.Width);
summary.GivingGroupWidth.Should().Be(summary.Width);
summary.DebtGroupWidth.Should().Be(summary.Width);
summary.TransportationGroupOffset.Should().Be(summary.HousingGroupWidth);
summary.FoodGroupOffset.Should().Be(summary.TransportationGroupOffset + summary.TransportationGroupWidth);
summary.PersonalGroupOffset.Should().Be(summary.FoodGroupOffset + summary.FoodGroupWidth);
summary.GivingGroupOffset.Should().Be(summary.PersonalGroupOffset + summary.PersonalGroupWidth);
summary.DebtGroupOffset.Should().Be(summary.GivingGroupOffset + summary.GivingGroupWidth);
summary.BudgetDelta.Should().Be(0m);
summary.IsOverBudget.Should().Be(false);
summary.IsUnderBudget.Should().Be(false);
summary.IsOnBudget.Should().Be(true);
}
public void GroupRatios_FullAmount_ExpectOneRatio()
{
var budget = BudgetBuilder.Build();
var ratios = new BudgetRatio(budget);
budget.IncomeGroup.BudgetItems[0].Amount = 200m;
budget.HousingGroup.BudgetItems[0].Amount = 200m;
ratios.HousingGroupRatio.Should().Be(1);
}
[Fact] public void GroupRatios_HalfwayAmount_ExpectOneHalfRatio()
{
var budget = BudgetBuilder.Build();
var ratios = new BudgetRatio(budget);
budget.IncomeGroup.BudgetItems[0].Amount = 200m;
budget.HousingGroup.BudgetItems[1].Amount = 100;
ratios.HousingGroupRatio.Should().Be(0.5);
}
public void Constructor_NullBudget_ExpectException()
{
var budget = BudgetBuilder.Build();
var ratios = new BudgetRatio(budget);
// TEST: construct view model
Action testAction = () => new BudgetSummary(null, ratios);
testAction.Should().Throw <ArgumentNullException>();
}
public void HousingGroupWidth_MoreWidthsAndRatios_MatchesExpectResult()
{
var budget = BudgetBuilder.Build();
var ratios = new BudgetRatio(budget);
var summary = new BudgetSummary(budget, ratios);
budget.IncomeGroup.BudgetItems[0].Amount = 100;
budget.HousingGroup.BudgetItems[0].Amount = 75;
budget.FoodGroup.BudgetItems[0].Amount = 25;
summary.HousingGroupWidth.Should().Be(summary.Width * 0.75);
summary.FoodGroupWidth.Should().Be(summary.Width * 0.25);
summary.FoodGroupOffset.Should().Be(summary.HousingGroupWidth);
}
public void PropertyChanged_BudgetGroupAmountChanged_ExpectRatioChangedEvent()
{
var budget = BudgetBuilder.Build();
var ratios = new BudgetRatio(budget);
bool wasNotified = false;
ratios.PropertyChanged += (sender, args) =>
{
if (args.PropertyName == BudgetRatio.RatioChangedProperty)
{
wasNotified = true;
}
};
budget.IncomeGroup.BudgetItems[0].Amount = 100m;
wasNotified.Should().BeTrue();
wasNotified = false;
budget.HousingGroup.BudgetItems[0].Amount = 1m;
wasNotified.Should().BeTrue();
wasNotified = false;
budget.TransportationGroup.BudgetItems[0].Amount = 1m;
wasNotified.Should().BeTrue();
wasNotified = false;
budget.FoodGroup.BudgetItems[0].Amount = 1m;
wasNotified.Should().BeTrue();
wasNotified = false;
budget.PersonalGroup.BudgetItems[0].Amount = 1m;
wasNotified.Should().BeTrue();
wasNotified = false;
budget.DebtGroup.BudgetItems[0].Amount = 1m;
wasNotified.Should().BeTrue();
wasNotified = false;
budget.GivingGroup.BudgetItems[0].Amount = 1m;
wasNotified.Should().BeTrue();
}
public void GroupRatios_VariousAmount_CorrectRatios()
{
var budget = BudgetBuilder.Build();
var ratios = new BudgetRatio(budget);
budget.IncomeGroup.BudgetItems[0].Amount = 100m;
budget.HousingGroup.BudgetItems[0].Amount = 1m;
budget.TransportationGroup.BudgetItems[0].Amount = 2m;
budget.FoodGroup.BudgetItems[0].Amount = 3m;
budget.PersonalGroup.BudgetItems[0].Amount = 4m;
budget.DebtGroup.BudgetItems[0].Amount = 5m;
budget.GivingGroup.BudgetItems[0].Amount = 6m;
ratios.HousingGroupRatio.Should().Be(0.01);
ratios.TransportationGroupRatio.Should().Be(0.02);
ratios.FoodGroupRatio.Should().Be(0.03);
ratios.PersonalGroupRatio.Should().Be(0.04);
ratios.DebtGroupRatio.Should().Be(0.05);
ratios.GivingGroupRatio.Should().Be(0.06);
}
public void GroupRatios_ZeroValues_ExpectOneRatios()
{
var budget = BudgetBuilder.Build();
var ratios = new BudgetRatio(budget);
//some ratios
budget.IncomeGroup.BudgetItems[0].Amount = 0;
budget.HousingGroup.BudgetItems[0].Amount = -1;
budget.TransportationGroup.BudgetItems[0].Amount = 123.4m;
budget.FoodGroup.BudgetItems[0].Amount = 0;
budget.PersonalGroup.BudgetItems[0].Amount = 0;
budget.DebtGroup.BudgetItems[0].Amount = 0;
budget.GivingGroup.BudgetItems[0].Amount = 0;
ratios.HousingGroupRatio.Should().Be(1);
ratios.TransportationGroupRatio.Should().Be(1);
ratios.FoodGroupRatio.Should().Be(1);
ratios.PersonalGroupRatio.Should().Be(1);
ratios.DebtGroupRatio.Should().Be(1);
ratios.GivingGroupRatio.Should().Be(1);
}
