public void MultipleProducts_Mocks()
{
// Arrange
var cart = A.Fake <ICart>();
A.CallTo(() => cart.Products).Returns(new [] {
new ProductToPurchase {
ProductId = 1, Quantity = 1
},
new ProductToPurchase {
ProductId = 42, Quantity = 7
},
});
IProductCatalog mockProductCatalog = A.Fake <IProductCatalog>();
A.CallTo(() => mockProductCatalog.LookupPrice(1)).Returns(1m);
A.CallTo(() => mockProductCatalog.LookupPrice(42)).Returns(1.5m);
ITaxCalculator mockTaxCalculator = A.Fake <ITaxCalculator>();
A.CallTo(() => mockTaxCalculator.CalculateTaxes(11.5m)).Returns(1.15m);
// Act
var calculator = new PricingCalculator(mockProductCatalog, mockTaxCalculator);
PricingSummary price = calculator.PriceCart(cart);
// Assert
Assert.That(price.ProductPrices.Count, Is.EqualTo(2));
Assert.That(price.SubTotal, Is.EqualTo(11.5m));
Assert.That(price.Taxes, Is.EqualTo(1.15m));
Assert.That(price.Total, Is.EqualTo(12.65m));
}
public void MissingPrice()
{
var cart = new Cart();
cart.IncludeProduct(1, 1);
cart.IncludeProduct(42, 7);
var catalog = new ProductCatalog();
catalog.SetPrice(1, 1m);
var taxCalculator = new PercentageTaxCalculatorStub(0.1m);
var calculator = new PricingCalculator(catalog, taxCalculator);
PricingSummary price = calculator.PriceCart(cart);
Assert.That(price.ProductPrices.Count, Is.EqualTo(1));
Assert.That(price.SubTotal, Is.EqualTo(1m));
Assert.That(price.Taxes, Is.EqualTo(0.1m));
Assert.That(price.Total, Is.EqualTo(1.1m));
}