public void Should_publish_pasta_price_as_soon_as_all_needed_RawMaterialMarketData_are_received()
{
// spaghetti(eggs-flour)
// Prepares the marketdata mocks
var eggsMarketDataMock = Substitute.For<IRawMaterialMarketData>();
eggsMarketDataMock.RawMaterialName.Returns("eggs");
var flourMarketDataMock = Substitute.For<IRawMaterialMarketData>();
flourMarketDataMock.RawMaterialName.Returns("flour");
// setup the pricing agent
var sequencer = new Sequencer(new DirectDispatcher());
var pricingAgent = new PastaPricingAgent(sequencer, "spaghetti");
pricingAgent.SubscribeToMarketData(new List<IRawMaterialMarketData>() { eggsMarketDataMock, flourMarketDataMock });
var pastaPriceHasChanged = false;
pricingAgent.PastaPriceChanged += (o, args) => { pastaPriceHasChanged = true; };
Check.That(pastaPriceHasChanged).IsFalse();
// Raises event for "eggs"
eggsMarketDataMock.PriceChanged += Raise.EventWith(new object(), new RawMaterialPriceChangedEventArgs("eggs", 0));
Check.That(pastaPriceHasChanged).IsFalse();
// Raises event for "flour" => all needed market data has been received, the price must have been published now
flourMarketDataMock.PriceChanged += Raise.EventWith(new object(), new RawMaterialPriceChangedEventArgs("flour", 0));
Check.That(pastaPriceHasChanged).IsTrue();
}
public void Should_publish_pasta_price_as_soon_as_all_needed_RawMaterialMarketData_are_received()
{
// spaghetti(eggs-flour)
// Prepares the marketdata mocks
var eggsMarketDataMock = Substitute.For <IRawMaterialMarketData>();
eggsMarketDataMock.RawMaterialName.Returns("eggs");
var flourMarketDataMock = Substitute.For <IRawMaterialMarketData>();
flourMarketDataMock.RawMaterialName.Returns("flour");
// setup the pricing agent
var sequencer = new Sequencer(new DirectDispatcher());
var pricingAgent = new PastaPricingAgent(sequencer, "spaghetti");
pricingAgent.SubscribeToMarketData(new List <IRawMaterialMarketData>()
{
eggsMarketDataMock, flourMarketDataMock
});
var pastaPriceHasChanged = false;
pricingAgent.PastaPriceChanged += (o, args) => { pastaPriceHasChanged = true; };
Check.That(pastaPriceHasChanged).IsFalse();
// Raises event for "eggs"
eggsMarketDataMock.PriceChanged += Raise.EventWith(new object(), new RawMaterialPriceChangedEventArgs("eggs", 0));
Check.That(pastaPriceHasChanged).IsFalse();
// Raises event for "flour" => all needed market data has been received, the price must have been published now
flourMarketDataMock.PriceChanged += Raise.EventWith(new object(), new RawMaterialPriceChangedEventArgs("flour", 0));
Check.That(pastaPriceHasChanged).IsTrue();
}
public void Should_Compute_expected_price_from_known_market_data_inputs()
{
// Check.That(pastaCalculator.Compute(flourPrice: 1.3m, eggsPrice: 2.4m, flavorPrice: 1.2m)).IsEqualTo(2.52m);
// spaghetti(eggs-flour)
// Prepares the marketdata mocks
var eggsMarketDataMock = Substitute.For <IRawMaterialMarketData>();
eggsMarketDataMock.RawMaterialName.Returns("eggs");
var flourMarketDataMock = Substitute.For <IRawMaterialMarketData>();
flourMarketDataMock.RawMaterialName.Returns("flour");
var tomatoMarketDataMock = Substitute.For <IRawMaterialMarketData>();
tomatoMarketDataMock.RawMaterialName.Returns("tomato");
// setup the pricing agent
var sequencer = new Sequencer(new DirectDispatcher());
var pricingAgent = new PastaPricingAgent(sequencer, "tomato spaghetti");
pricingAgent.SubscribeToMarketData(new List <IRawMaterialMarketData>()
{
eggsMarketDataMock, flourMarketDataMock, tomatoMarketDataMock
});
var publishedPastaPrice = 0m;
pricingAgent.PastaPriceChanged += (o, args) => { publishedPastaPrice = args.Price; };
Check.That(publishedPastaPrice).IsEqualTo(0);
// Raises event for "eggs"
eggsMarketDataMock.PriceChanged += Raise.EventWith(new object(), new RawMaterialPriceChangedEventArgs("eggs", 2.4m));
Check.That(publishedPastaPrice).IsEqualTo(0);
// Raises event for "tomato"
tomatoMarketDataMock.PriceChanged += Raise.EventWith(new object(), new RawMaterialPriceChangedEventArgs("tomato", 1.2m));
Check.That(publishedPastaPrice).IsEqualTo(0);
// Raises event for "flour" => all needed market data has been received, the price must have been published now
flourMarketDataMock.PriceChanged += Raise.EventWith(new object(), new RawMaterialPriceChangedEventArgs("flour", 1.3m));
const decimal ExpectedPastaPrice = 2.52m;
Check.That(publishedPastaPrice).IsEqualTo(ExpectedPastaPrice);
}
public void Should_Compute_expected_price_from_known_market_data_inputs()
{
// Check.That(pastaCalculator.Compute(flourPrice: 1.3m, eggsPrice: 2.4m, flavorPrice: 1.2m)).IsEqualTo(2.52m);
// spaghetti(eggs-flour)
// Prepares the marketdata mocks
var eggsMarketDataMock = Substitute.For<IRawMaterialMarketData>();
eggsMarketDataMock.RawMaterialName.Returns("eggs");
var flourMarketDataMock = Substitute.For<IRawMaterialMarketData>();
flourMarketDataMock.RawMaterialName.Returns("flour");
var tomatoMarketDataMock = Substitute.For<IRawMaterialMarketData>();
tomatoMarketDataMock.RawMaterialName.Returns("tomato");
// setup the pricing agent
var sequencer = new Sequencer(new DirectDispatcher());
var pricingAgent = new PastaPricingAgent(sequencer, "tomato spaghetti");
pricingAgent.SubscribeToMarketData(new List<IRawMaterialMarketData>() { eggsMarketDataMock, flourMarketDataMock, tomatoMarketDataMock });
var publishedPastaPrice = 0m;
pricingAgent.PastaPriceChanged += (o, args) => { publishedPastaPrice = args.Price; };
Check.That(publishedPastaPrice).IsEqualTo(0);
// Raises event for "eggs"
eggsMarketDataMock.PriceChanged += Raise.EventWith(new object(), new RawMaterialPriceChangedEventArgs("eggs", 2.4m));
Check.That(publishedPastaPrice).IsEqualTo(0);
// Raises event for "tomato"
tomatoMarketDataMock.PriceChanged += Raise.EventWith(new object(), new RawMaterialPriceChangedEventArgs("tomato", 1.2m));
Check.That(publishedPastaPrice).IsEqualTo(0);
// Raises event for "flour" => all needed market data has been received, the price must have been published now
flourMarketDataMock.PriceChanged += Raise.EventWith(new object(), new RawMaterialPriceChangedEventArgs("flour", 1.3m));
const decimal ExpectedPastaPrice = 2.52m;
Check.That(publishedPastaPrice).IsEqualTo(ExpectedPastaPrice);
}