public void PurchaseProduct_When_TwoOneEuroCoinsAddedChickenSoupProductPurchased_Then_ReturnSuccess()
{
//Arrange
var coin = Coin.OneEuro;
var product = Product.ChickenSoup;
var coinReturned = new List <CoinSlot>
{
new CoinSlot(Coin.TwentyCents)
};
var inventory = new List <ProductSlot>
{
new ProductSlot(product)
};
var purse = new List <CoinSlot>
{
new CoinSlot(Coin.TwentyCents),
new CoinSlot(Coin.FiftyCents)
};
var vendingMachine = new VendingMachine(inventory, purse);
var sut = new PurchaseProductUseCase(vendingMachine);
//Act
sut.InsertCoin(coin);
sut.InsertCoin(coin);
var actual = sut.PurchaseProduct(product);
//Assert
actual.HasFailed.Should().BeFalse();
actual.ProductPurchased.Should().Be(product);
actual.CoinsReturned.Should().BeEquivalentTo(coinReturned);
}
public void PurchaseProduct_When_OneEuroCoinsAddedEspressoProductPurchased_Then_ReturnFailed()
{
//Arrange
var coin = Coin.OneEuro;
var product = Product.Espresso;
var inventory = new List <ProductSlot>
{
new ProductSlot(product)
};
var purse = new List <CoinSlot>
{
new CoinSlot(Coin.TwentyCents)
};
var vendingMachine = new VendingMachine(inventory, purse);
var sut = new PurchaseProductUseCase(vendingMachine);
//Act
sut.InsertCoin(coin);
var actual = sut.PurchaseProduct(product);
//Assert
actual.HasFailed.Should().BeTrue();
actual.PurchaseFailedReason.Should().Be(PurchaseFailedType.InsufficientCoins);
actual.ProductPurchased.Should().Be(product);
}
public void CancelPurchase_When_PurchaseCanceled_Then_ReturnSuccess()
{
//Arrange
var inventory = new List <ProductSlot>();
var purse = new List <CoinSlot>();
var vendingMachine = new VendingMachine(inventory, purse);
var sut = new PurchaseProductUseCase(vendingMachine);
//Act
var actual = sut.CancelPurchase();
//Assert
actual.HasFailed.Should().BeFalse();
}
public void InsertCoin_When_FiftyCentCoinInserted_Then_ReturnSuccess()
{
//Arrange
decimal expectedCurrentAmount = 0.50m;
var inventory = new List <ProductSlot>();
var purse = new List <CoinSlot>();
var vendingMachine = new VendingMachine(inventory, purse);
var coin = Coin.FiftyCents;
var sut = new PurchaseProductUseCase(vendingMachine);
//Act
var actual = sut.InsertCoin(coin);
//Assert
actual.HasFailed.Should().BeFalse();
actual.CurrentAmount.Should().Be(expectedCurrentAmount);
}
public void CancelPurchase_When_TenCentCoinAddedAndPurchaseCanceled_Then_ReturnSuccess()
{
//Arrange
var coin = Coin.TwentyCents;
var coinsReturned = new List <CoinSlot>
{
new CoinSlot(Coin.TwentyCents)
};
var inventory = new List <ProductSlot>();
var purse = new List <CoinSlot>();
var vendingMachine = new VendingMachine(inventory, purse);
var sut = new PurchaseProductUseCase(vendingMachine);
//Act
sut.InsertCoin(coin);
var actual = sut.CancelPurchase();
//Assert
actual.HasFailed.Should().BeFalse();
actual.CoinsReturned.Should().BeEquivalentTo(coinsReturned);
}
public VendingMachineHub(PurchaseProductUseCase useCase)
{
Guard.AgainstNull(useCase, nameof(useCase));
_useCase = useCase;
}
