public void should_apply_a_ten_percent_discount_on_the_reduced_tax_items_of_a_take_away_bill()
{
var dish = new ADish().Build();
var order = new AnOrder()
.TakeAway()
.With(1, dish)
.Build();
var menu = new Mock <IRepository <Dish> >();
menu.Setup(m => m.Get(dish.Id)).Returns(new Billing.ADish(dish.Id).Priced(10m).WithReducedTax().Build());
var taxConfiguration = new ATaxConfiguration().Build();
var cashRegister = new ACashRegister(menu.Object, taxConfiguration).Build();
var bill = cashRegister.Calculate(order);
var discount = bill.Discounts.First();
Check.That(discount.Key.Rate).Equals(0.10m);
Check.That(discount.Value).Equals(1m);
Check.That(bill.Total).Equals(9m);
var tenPercentTaxAmount = bill.Taxes[taxConfiguration.Get("RED").TaxConfiguration[0]];
Check.That(tenPercentTaxAmount).Equals(0.82m);
}
public void should_group_amounts_by_tax_in_the_bill()
{
var beer = "Beer";
var wine = "Wine";
var starter = "Starter";
var dessert = "Dessert";
var order = new AnOrder()
.With(1, new ADish(beer).Build())
.With(1, new ADish(wine).Build())
.With(1, new ADish(starter).Build())
.With(1, new ADish(dessert).Build())
.Build();
var menu = new Mock <IRepository <Dish> >();
menu.Setup(m => m.Get(beer)).Returns(new Billing.ADish(beer).Priced(6m).OfType("Alcool").Build()); // Tax (20%) of 1 €
menu.Setup(m => m.Get(wine)).Returns(new Billing.ADish(wine).Priced(12m).OfType("Alcool").Build()); // Tax (20%) of 2 €
menu.Setup(m => m.Get(starter)).Returns(new Billing.ADish(starter).Priced(11m).OfType("Starter").Build()); // Tax (10%) of 1 €
menu.Setup(m => m.Get(dessert)).Returns(new Billing.ADish(dessert).Priced(11m).OfType("Dessert").Build()); // Tax (10%) of 1 €
var taxConfiguration = new ATaxConfiguration().Build();
var cashRegister = new ACashRegister(menu.Object, taxConfiguration).Build();
var bill = cashRegister.Calculate(order);
var tenPercentTaxAmount = bill.Taxes[taxConfiguration.Get("RED").TaxConfiguration[0]];
Check.That(tenPercentTaxAmount).Equals(2m);
var twentyPercentTaxAmount = bill.Taxes[taxConfiguration.Get("REG").TaxConfiguration[0]];
Check.That(twentyPercentTaxAmount).Equals(3m);
}
public void should_print_a_bill_from_an_order()
{
var cashRegister = new ACashRegister().Build();
var order = new AnOrder().Build();
var bill = cashRegister.Calculate(order);
Check.That(bill.Id).Equals(order.Id);
}
public void should_not_print_a_lineless_order()
{
var order = new AnOrder()
.Build();
var cashRegister = new ACashRegister().Build();
Check.ThatCode(() => cashRegister.Print(order)).Throws <InvalidOperationException>();
}
public void should_calculate_bill_total()
{
var order = new AnOrder()
.With(1, new ADish("1").Build())
.With(2, new ADish("2").Build())
.Build();
var menu = new Mock <IRepository <Dish> >();
menu.Setup(m => m.Get("1")).Returns(new Billing.ADish("1").Priced(5m).Build());
menu.Setup(m => m.Get("2")).Returns(new Billing.ADish("2").Priced(10m).Build());
var cashRegister = new ACashRegister(menu.Object).Build();
var bill = cashRegister.Calculate(order);
Check.That(bill.Total).Equals(25m);
}
public void should_not_alter_lines_amount_when_a_take_away_discount_is_applied()
{
var dish = new ADish().Build();
var order = new AnOrder()
.TakeAway()
.With(1, dish)
.Build();
var menu = new Mock <IRepository <Dish> >();
menu.Setup(m => m.Get(dish.Id)).Returns(new Billing.ADish(dish.Id).Priced(10m).WithReducedTax().Build());
var cashRegister = new ACashRegister(menu.Object).Build();
var bill = cashRegister.Calculate(order);
Check.That(bill.Lines.First().Amount).Equals(10m);
}
public void should_determine_tax_as_regular_when_dish_is_of_type_alcohol()
{
var order = new AnOrder()
.With(1, new ADish("1").Build())
.Build();
var taxRateAt20Percent = 0.20m;
var menu = new Mock <IRepository <Dish> >();
var fiveEuros = 5m;
menu.Setup(m => m.Get("1")).Returns(new Billing.ADish("1").Priced(fiveEuros).OfType("Alcool").Build());
var cashRegister = new ACashRegister(menu.Object).Build();
var bill = cashRegister.Calculate(order);
//S'assurer que la taxe est bien celle normale (par l'id?), pas au montant seulement
Check.That(bill.Lines.ElementAt(0).TaxRate.Rate).Equals(taxRateAt20Percent);
}
public void should_calculate_lines_amount_using_the_menu()
{
var order = new AnOrder()
.With(1, new ADish("1").Build())
.With(2, new ADish("2").Build())
.Build();
var menu = new Mock <IRepository <Dish> >();
menu.Setup(m => m.Get("1")).Returns(new Billing.ADish("1").Priced(5m).Build());
menu.Setup(m => m.Get("2")).Returns(new Billing.ADish("2").Priced(10m).Build());
var cashRegister = new ACashRegister(menu.Object).Build();
var bill = cashRegister.Calculate(order);
Check.That(bill.Lines.ElementAt(0).Amount).Equals(5m);
Check.That(bill.Lines.ElementAt(1).Amount).Equals(20m);
}
public void should_not_apply_the_ten_percent_discount_on_regular_tax_products_in_take_away_bills()
{
var dish = new ADish().Build();
var order = new AnOrder()
.TakeAway()
.With(1, dish)
.Build();
var menu = new Mock <IRepository <Dish> >();
menu.Setup(m => m.Get(dish.Id)).Returns(new Billing.ADish(dish.Id).Priced(10m).WithRegularTax().Build());
var cashRegister = new ACashRegister(menu.Object).Build();
var bill = cashRegister.Calculate(order);
Check.That(bill.Discounts).IsEmpty();
Check.That(bill.Total).Equals(10m);
}
public void should_not_charge_for_an_order_with_only_free_dishes()
{
var dish1 = new ADish("1").Build();
var dish2 = new ADish("2").Build();
var order = new AnOrder()
.TakeAway()
.With(1, true, dish1)
.With(1, true, dish2)
.Build();
var menu = new Mock <IRepository <Dish> >();
menu.Setup(m => m.Get(dish1.Id)).Returns(new Billing.ADish(dish1.Id).Priced(15m).WithRegularTax().Build());
menu.Setup(m => m.Get(dish2.Id)).Returns(new Billing.ADish(dish2.Id).Priced(8m).WithRegularTax().Build());
var cashRegister = new ACashRegister(menu.Object).Build();
var bill = cashRegister.Calculate(order);
Check.That(bill.Discounts).IsEmpty();
Check.That(bill.Total).Equals(0m);
}
public void should_not_apply_discount_for_on_site_bills()
{
var dish = new ADish().Build();
var order = new AnOrder()
.OnSite("1", 2)
.With(1, dish)
.Build();
var menu = new Mock <IRepository <Dish> >();
menu.Setup(m => m.Get(dish.Id)).Returns(new Billing.ADish(dish.Id).Priced(10m).Build());
var taxConfiguration = new ATaxConfiguration().Build();
var cashRegister = new ACashRegister(menu.Object, taxConfiguration).Build();
var bill = cashRegister.Calculate(order);
Check.That(bill.Total).Equals(10m);
var tenPercentTaxAmount = bill.Taxes[taxConfiguration.Get("RED").TaxConfiguration[0]];
Check.That(tenPercentTaxAmount).Equals(0.91m);
}
public void should_calculate_bill_tax_from_the_sum_of_lines_amount()
{
var cocktail = new ADish("Cocktail").Build();
var order = new AnOrder()
.With(1, cocktail)
.With(1, cocktail)
.With(1, cocktail)
.Build();
var menu = new Mock <IRepository <Dish> >();
menu.Setup(m => m.Get(cocktail.Id)).Returns(new Billing.ADish(cocktail.Id).Priced(5m).OfType("Alcool").Build()); // Tax (20%) of 0,83 €
var taxConfiguration = new ATaxConfiguration().Build();
var cashRegister = new ACashRegister(menu.Object, taxConfiguration).Build();
var bill = cashRegister.Calculate(order);
var tax_amount = bill.Taxes[taxConfiguration.Get("REG").TaxConfiguration[0]];
Check.That(tax_amount).Equals(2.5m); // instead of 2,49 €
}
