public void UseBasketPipelineOnInexpensiveBasket()
{
// Fixture setup
var basket = new Basket(
new BasketItem("Water", 8, 2));
CompositePipe <Basket> pipeline = new BasketPipeline();
// Exercise system
var actual = pipeline.Pipe(basket);
var printout = actual.Accept(new BasketStringWriterVisitor()).ToString();
// Verify outcome
var bi = Assert.IsAssignableFrom <BasketItem>(
actual.ElementAt(0));
Assert.Equal("Water", bi.Name);
Assert.Equal(8, bi.UnitPrice);
Assert.Equal(2, bi.Quantity);
var v = Assert.IsAssignableFrom <Vat>(actual.ElementAt(1));
Assert.Equal(4, v.Amount);
var bt = Assert.IsAssignableFrom <BasketTotal>(actual.ElementAt(2));
Assert.Equal(20, bt.Total);
Assert.Equal(
@"
Water: 2 8,00 16,00
VAT: 4,00
Total: 20,00",
printout);
// Teardown
}
public void UseBasketPipelineOnExpensiveBasket()
{
// Fixture setup
var basket = new Basket(
new BasketItem("Chocolate", 50, 3),
new BasketItem("Gruyère", 45.5m, 1),
new BasketItem("Barolo", 250, 2));
CompositePipe <Basket> pipeline = new BasketPipeline();
// Exercise system
var actual = pipeline.Pipe(basket);
var printout = actual.Accept(new BasketStringWriterVisitor()).ToString();
// Verify outcome
var bi1 = Assert.IsAssignableFrom <BasketItem>(
actual.ElementAt(0));
Assert.Equal("Chocolate", bi1.Name);
Assert.Equal(50, bi1.UnitPrice);
Assert.Equal(3, bi1.Quantity);
var bi2 = Assert.IsAssignableFrom <BasketItem>(
actual.ElementAt(1));
Assert.Equal("Gruyère", bi2.Name);
Assert.Equal(45.5m, bi2.UnitPrice);
Assert.Equal(1, bi2.Quantity);
var bi3 = Assert.IsAssignableFrom <BasketItem>(
actual.ElementAt(2));
Assert.Equal("Barolo", bi3.Name);
Assert.Equal(250, bi3.UnitPrice);
Assert.Equal(2, bi3.Quantity);
var d = Assert.IsAssignableFrom <Discount>(actual.ElementAt(3));
Assert.Equal(34.775m, d.Amount);
var v = Assert.IsAssignableFrom <Vat>(actual.ElementAt(4));
Assert.Equal(165.18125m, v.Amount);
var bt = Assert.IsAssignableFrom <BasketTotal>(actual.ElementAt(5));
Assert.Equal(825.90625m, bt.Total);
Assert.Equal(
@"
Chocolate: 3 50,00 150,00
Gruyère: 1 45,50 45,50
Barolo: 2 250,00 500,00
Discount: -34,78
VAT: 165,18
Total: 825,91",
printout);
// Teardown
}
public void SutCorrectlyConvertsToPipe()
{
CompositePipe <Basket> sut = new BasketPipeline();
var visitors = sut
.Cast <BasketVisitorPipe>()
.Select(bvp => bvp.Visitor);
var dv = Assert.IsAssignableFrom <VolumeDiscountVisitor>(visitors.First());
Assert.Equal(500, dv.Threshold);
Assert.Equal(.05m, dv.Rate);
var vv = Assert.IsAssignableFrom <VatVisitor>(visitors.ElementAt(1));
Assert.Equal(.25m, vv.Rate);
var btv = Assert.IsAssignableFrom <BasketTotalVisitor>(visitors.Last());
}
public void UseBasketPipelineOnExpensiveBasket()
{
// Fixture setup
var basket = new Basket(
new BasketItem("Chocolate", 50, 3),
new BasketItem("Gruyère", 45.5m, 1),
new BasketItem("Barolo", 250, 2));
CompositePipe <Basket> pipeline = new BasketPipeline();
// Exercise system
var actual = pipeline.Pipe(basket);
// Verify outcome
var expected = new Basket(
new BasketItem("Chocolate", 50, 3),
new BasketItem("Gruyère", 45.5m, 1),
new BasketItem("Barolo", 250, 2),
new Discount(34.775m),
new Vat(165.18125m),
new BasketTotal(825.90625m));
Assert.Equal(expected, actual);
// Teardown
}
